shithub: libvpx

Download patch

ref: c4e354b4bd6d1a51d021f8baf60bf94a2836a6eb
parent: be6c031fb3b0ee940c852a6a2db63af4747ff022
author: Jingning Han <jingning@google.com>
date: Thu Aug 6 16:54:52 EDT 2015

Change vp10 interface prefix from vp9_ to vp10_

This commit renames the vp10 encoder, decoder, and common interface
file names from vp9_ prefix to vp10_ prefix.

Change-Id: Iafb5d786e4b428d2b9bf097123bd86c4fa9ded24

--- a/vp10/vp10_common.mk
+++ b/vp10/vp10_common.mk
@@ -9,7 +9,7 @@
 ##
 
 VP10_COMMON_SRCS-yes += vp10_common.mk
-VP10_COMMON_SRCS-yes += vp9_iface_common.h
+VP10_COMMON_SRCS-yes += vp10_iface_common.h
 VP10_COMMON_SRCS-yes += common/vp9_ppflags.h
 VP10_COMMON_SRCS-yes += common/vp9_alloccommon.c
 VP10_COMMON_SRCS-yes += common/vp9_blockd.c
--- /dev/null
+++ b/vp10/vp10_cx_iface.c
@@ -1,0 +1,1583 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "./vpx_config.h"
+#include "vpx/vpx_encoder.h"
+#include "vpx_ports/vpx_once.h"
+#include "vpx/internal/vpx_codec_internal.h"
+#include "./vpx_version.h"
+#include "vp10/encoder/vp9_encoder.h"
+#include "vpx/vp8cx.h"
+#include "vp10/encoder/vp9_firstpass.h"
+#include "vp10/vp10_iface_common.h"
+
+struct vp10_extracfg {
+  int                         cpu_used;  // available cpu percentage in 1/16
+  unsigned int                enable_auto_alt_ref;
+  unsigned int                noise_sensitivity;
+  unsigned int                sharpness;
+  unsigned int                static_thresh;
+  unsigned int                tile_columns;
+  unsigned int                tile_rows;
+  unsigned int                arnr_max_frames;
+  unsigned int                arnr_strength;
+  unsigned int                min_gf_interval;
+  unsigned int                max_gf_interval;
+  vp8e_tuning                 tuning;
+  unsigned int                cq_level;  // constrained quality level
+  unsigned int                rc_max_intra_bitrate_pct;
+  unsigned int                rc_max_inter_bitrate_pct;
+  unsigned int                gf_cbr_boost_pct;
+  unsigned int                lossless;
+  unsigned int                frame_parallel_decoding_mode;
+  AQ_MODE                     aq_mode;
+  unsigned int                frame_periodic_boost;
+  vpx_bit_depth_t             bit_depth;
+  vp9e_tune_content           content;
+  vpx_color_space_t           color_space;
+};
+
+static struct vp10_extracfg default_extra_cfg = {
+  0,                          // cpu_used
+  1,                          // enable_auto_alt_ref
+  0,                          // noise_sensitivity
+  0,                          // sharpness
+  0,                          // static_thresh
+  6,                          // tile_columns
+  0,                          // tile_rows
+  7,                          // arnr_max_frames
+  5,                          // arnr_strength
+  0,                          // min_gf_interval; 0 -> default decision
+  0,                          // max_gf_interval; 0 -> default decision
+  VP8_TUNE_PSNR,              // tuning
+  10,                         // cq_level
+  0,                          // rc_max_intra_bitrate_pct
+  0,                          // rc_max_inter_bitrate_pct
+  0,                          // gf_cbr_boost_pct
+  0,                          // lossless
+  1,                          // frame_parallel_decoding_mode
+  NO_AQ,                      // aq_mode
+  0,                          // frame_periodic_delta_q
+  VPX_BITS_8,                 // Bit depth
+  VP9E_CONTENT_DEFAULT,       // content
+  VPX_CS_UNKNOWN,             // color space
+};
+
+struct vpx_codec_alg_priv {
+  vpx_codec_priv_t        base;
+  vpx_codec_enc_cfg_t     cfg;
+  struct vp10_extracfg     extra_cfg;
+  VP9EncoderConfig        oxcf;
+  VP9_COMP               *cpi;
+  unsigned char          *cx_data;
+  size_t                  cx_data_sz;
+  unsigned char          *pending_cx_data;
+  size_t                  pending_cx_data_sz;
+  int                     pending_frame_count;
+  size_t                  pending_frame_sizes[8];
+  size_t                  pending_frame_magnitude;
+  vpx_image_t             preview_img;
+  vpx_enc_frame_flags_t   next_frame_flags;
+  vp8_postproc_cfg_t      preview_ppcfg;
+  vpx_codec_pkt_list_decl(256) pkt_list;
+  unsigned int                 fixed_kf_cntr;
+  vpx_codec_priv_output_cx_pkt_cb_pair_t output_cx_pkt_cb;
+  // BufferPool that holds all reference frames.
+  BufferPool              *buffer_pool;
+};
+
+static VP9_REFFRAME ref_frame_to_vp10_reframe(vpx_ref_frame_type_t frame) {
+  switch (frame) {
+    case VP8_LAST_FRAME:
+      return VP9_LAST_FLAG;
+    case VP8_GOLD_FRAME:
+      return VP9_GOLD_FLAG;
+    case VP8_ALTR_FRAME:
+      return VP9_ALT_FLAG;
+  }
+  assert(0 && "Invalid Reference Frame");
+  return VP9_LAST_FLAG;
+}
+
+static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
+    const struct vpx_internal_error_info *error) {
+  const vpx_codec_err_t res = error->error_code;
+
+  if (res != VPX_CODEC_OK)
+    ctx->base.err_detail = error->has_detail ? error->detail : NULL;
+
+  return res;
+}
+
+
+#undef ERROR
+#define ERROR(str) do {\
+    ctx->base.err_detail = str;\
+    return VPX_CODEC_INVALID_PARAM;\
+  } while (0)
+
+#define RANGE_CHECK(p, memb, lo, hi) do {\
+    if (!(((p)->memb == lo || (p)->memb > (lo)) && (p)->memb <= hi)) \
+      ERROR(#memb " out of range ["#lo".."#hi"]");\
+  } while (0)
+
+#define RANGE_CHECK_HI(p, memb, hi) do {\
+    if (!((p)->memb <= (hi))) \
+      ERROR(#memb " out of range [.."#hi"]");\
+  } while (0)
+
+#define RANGE_CHECK_LO(p, memb, lo) do {\
+    if (!((p)->memb >= (lo))) \
+      ERROR(#memb " out of range ["#lo"..]");\
+  } while (0)
+
+#define RANGE_CHECK_BOOL(p, memb) do {\
+    if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
+  } while (0)
+
+static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx,
+                                       const vpx_codec_enc_cfg_t *cfg,
+                                       const struct vp10_extracfg *extra_cfg) {
+  RANGE_CHECK(cfg, g_w,                   1, 65535);  // 16 bits available
+  RANGE_CHECK(cfg, g_h,                   1, 65535);  // 16 bits available
+  RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
+  RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
+  RANGE_CHECK_HI(cfg, g_profile,          3);
+
+  RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
+  RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
+  RANGE_CHECK_BOOL(extra_cfg, lossless);
+  RANGE_CHECK(extra_cfg, aq_mode,           0, AQ_MODE_COUNT - 1);
+  RANGE_CHECK(extra_cfg, frame_periodic_boost, 0, 1);
+  RANGE_CHECK_HI(cfg, g_threads,          64);
+  RANGE_CHECK_HI(cfg, g_lag_in_frames,    MAX_LAG_BUFFERS);
+  RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
+  RANGE_CHECK_HI(cfg, rc_undershoot_pct,  100);
+  RANGE_CHECK_HI(cfg, rc_overshoot_pct,   100);
+  RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
+  RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
+  RANGE_CHECK_BOOL(cfg,                   rc_resize_allowed);
+  RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
+  RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
+  RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
+  RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
+  RANGE_CHECK(extra_cfg, min_gf_interval, 0, (MAX_LAG_BUFFERS - 1));
+  RANGE_CHECK(extra_cfg, max_gf_interval, 0, (MAX_LAG_BUFFERS - 1));
+  if (extra_cfg->max_gf_interval > 0) {
+    RANGE_CHECK(extra_cfg, max_gf_interval, 2, (MAX_LAG_BUFFERS - 1));
+  }
+  if (extra_cfg->min_gf_interval > 0 && extra_cfg->max_gf_interval > 0) {
+    RANGE_CHECK(extra_cfg, max_gf_interval, extra_cfg->min_gf_interval,
+      (MAX_LAG_BUFFERS - 1));
+  }
+
+  if (cfg->rc_resize_allowed == 1) {
+    RANGE_CHECK(cfg, rc_scaled_width, 0, cfg->g_w);
+    RANGE_CHECK(cfg, rc_scaled_height, 0, cfg->g_h);
+  }
+
+  RANGE_CHECK(cfg, ss_number_layers, 1, VPX_SS_MAX_LAYERS);
+  RANGE_CHECK(cfg, ts_number_layers, 1, VPX_TS_MAX_LAYERS);
+
+  if (cfg->ss_number_layers * cfg->ts_number_layers > VPX_MAX_LAYERS)
+    ERROR("ss_number_layers * ts_number_layers is out of range");
+  if (cfg->ts_number_layers > 1) {
+    unsigned int sl, tl;
+    for (sl = 1; sl < cfg->ss_number_layers; ++sl) {
+      for (tl = 1; tl < cfg->ts_number_layers; ++tl) {
+        const int layer =
+            LAYER_IDS_TO_IDX(sl, tl, cfg->ts_number_layers);
+        if (cfg->layer_target_bitrate[layer] <
+            cfg->layer_target_bitrate[layer - 1])
+        ERROR("ts_target_bitrate entries are not increasing");
+      }
+    }
+
+    RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers - 1], 1, 1);
+    for (tl = cfg->ts_number_layers - 2; tl > 0; --tl)
+      if (cfg->ts_rate_decimator[tl - 1] != 2 * cfg->ts_rate_decimator[tl])
+        ERROR("ts_rate_decimator factors are not powers of 2");
+  }
+
+#if CONFIG_SPATIAL_SVC
+
+  if ((cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) &&
+      cfg->g_pass == VPX_RC_LAST_PASS) {
+    unsigned int i, alt_ref_sum = 0;
+    for (i = 0; i < cfg->ss_number_layers; ++i) {
+      if (cfg->ss_enable_auto_alt_ref[i])
+        ++alt_ref_sum;
+    }
+    if (alt_ref_sum > REF_FRAMES - cfg->ss_number_layers)
+      ERROR("Not enough ref buffers for svc alt ref frames");
+    if (cfg->ss_number_layers * cfg->ts_number_layers > 3 &&
+        cfg->g_error_resilient == 0)
+    ERROR("Multiple frame context are not supported for more than 3 layers");
+  }
+#endif
+
+  // VP9 does not support a lower bound on the keyframe interval in
+  // automatic keyframe placement mode.
+  if (cfg->kf_mode != VPX_KF_DISABLED &&
+      cfg->kf_min_dist != cfg->kf_max_dist &&
+      cfg->kf_min_dist > 0)
+    ERROR("kf_min_dist not supported in auto mode, use 0 "
+          "or kf_max_dist instead.");
+
+  RANGE_CHECK(extra_cfg, enable_auto_alt_ref, 0, 2);
+  RANGE_CHECK(extra_cfg, cpu_used, -8, 8);
+  RANGE_CHECK_HI(extra_cfg, noise_sensitivity, 6);
+  RANGE_CHECK(extra_cfg, tile_columns, 0, 6);
+  RANGE_CHECK(extra_cfg, tile_rows, 0, 2);
+  RANGE_CHECK_HI(extra_cfg, sharpness, 7);
+  RANGE_CHECK(extra_cfg, arnr_max_frames, 0, 15);
+  RANGE_CHECK_HI(extra_cfg, arnr_strength, 6);
+  RANGE_CHECK(extra_cfg, cq_level, 0, 63);
+  RANGE_CHECK(cfg, g_bit_depth, VPX_BITS_8, VPX_BITS_12);
+  RANGE_CHECK(cfg, g_input_bit_depth, 8, 12);
+  RANGE_CHECK(extra_cfg, content,
+              VP9E_CONTENT_DEFAULT, VP9E_CONTENT_INVALID - 1);
+
+  // TODO(yaowu): remove this when ssim tuning is implemented for vp9
+  if (extra_cfg->tuning == VP8_TUNE_SSIM)
+      ERROR("Option --tune=ssim is not currently supported in VP9.");
+
+  if (cfg->g_pass == VPX_RC_LAST_PASS) {
+    const size_t packet_sz = sizeof(FIRSTPASS_STATS);
+    const int n_packets = (int)(cfg->rc_twopass_stats_in.sz / packet_sz);
+    const FIRSTPASS_STATS *stats;
+
+    if (cfg->rc_twopass_stats_in.buf == NULL)
+      ERROR("rc_twopass_stats_in.buf not set.");
+
+    if (cfg->rc_twopass_stats_in.sz % packet_sz)
+      ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
+
+    if (cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) {
+      int i;
+      unsigned int n_packets_per_layer[VPX_SS_MAX_LAYERS] = {0};
+
+      stats = cfg->rc_twopass_stats_in.buf;
+      for (i = 0; i < n_packets; ++i) {
+        const int layer_id = (int)stats[i].spatial_layer_id;
+        if (layer_id >= 0 && layer_id < (int)cfg->ss_number_layers) {
+          ++n_packets_per_layer[layer_id];
+        }
+      }
+
+      for (i = 0; i < (int)cfg->ss_number_layers; ++i) {
+        unsigned int layer_id;
+        if (n_packets_per_layer[i] < 2) {
+          ERROR("rc_twopass_stats_in requires at least two packets for each "
+                "layer.");
+        }
+
+        stats = (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf +
+                n_packets - cfg->ss_number_layers + i;
+        layer_id = (int)stats->spatial_layer_id;
+
+        if (layer_id >= cfg->ss_number_layers
+            ||(unsigned int)(stats->count + 0.5) !=
+               n_packets_per_layer[layer_id] - 1)
+          ERROR("rc_twopass_stats_in missing EOS stats packet");
+      }
+    } else {
+      if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
+        ERROR("rc_twopass_stats_in requires at least two packets.");
+
+      stats =
+          (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf + n_packets - 1;
+
+      if ((int)(stats->count + 0.5) != n_packets - 1)
+        ERROR("rc_twopass_stats_in missing EOS stats packet");
+    }
+  }
+
+#if !CONFIG_VP9_HIGHBITDEPTH
+  if (cfg->g_profile > (unsigned int)PROFILE_1) {
+    ERROR("Profile > 1 not supported in this build configuration");
+  }
+#endif
+  if (cfg->g_profile <= (unsigned int)PROFILE_1 &&
+      cfg->g_bit_depth > VPX_BITS_8) {
+    ERROR("Codec high bit-depth not supported in profile < 2");
+  }
+  if (cfg->g_profile <= (unsigned int)PROFILE_1 &&
+      cfg->g_input_bit_depth > 8) {
+    ERROR("Source high bit-depth not supported in profile < 2");
+  }
+  if (cfg->g_profile > (unsigned int)PROFILE_1 &&
+      cfg->g_bit_depth == VPX_BITS_8) {
+    ERROR("Codec bit-depth 8 not supported in profile > 1");
+  }
+  RANGE_CHECK(extra_cfg, color_space, VPX_CS_UNKNOWN, VPX_CS_SRGB);
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
+                                    const vpx_image_t *img) {
+  switch (img->fmt) {
+    case VPX_IMG_FMT_YV12:
+    case VPX_IMG_FMT_I420:
+    case VPX_IMG_FMT_I42016:
+      break;
+    case VPX_IMG_FMT_I422:
+    case VPX_IMG_FMT_I444:
+    case VPX_IMG_FMT_I440:
+      if (ctx->cfg.g_profile != (unsigned int)PROFILE_1) {
+        ERROR("Invalid image format. I422, I444, I440 images are "
+              "not supported in profile.");
+      }
+      break;
+    case VPX_IMG_FMT_I42216:
+    case VPX_IMG_FMT_I44416:
+    case VPX_IMG_FMT_I44016:
+      if (ctx->cfg.g_profile != (unsigned int)PROFILE_1 &&
+          ctx->cfg.g_profile != (unsigned int)PROFILE_3) {
+        ERROR("Invalid image format. 16-bit I422, I444, I440 images are "
+              "not supported in profile.");
+      }
+      break;
+    default:
+      ERROR("Invalid image format. Only YV12, I420, I422, I444 images are "
+            "supported.");
+      break;
+  }
+
+  if (img->d_w != ctx->cfg.g_w || img->d_h != ctx->cfg.g_h)
+    ERROR("Image size must match encoder init configuration size");
+
+  return VPX_CODEC_OK;
+}
+
+static int get_image_bps(const vpx_image_t *img) {
+  switch (img->fmt) {
+    case VPX_IMG_FMT_YV12:
+    case VPX_IMG_FMT_I420: return 12;
+    case VPX_IMG_FMT_I422: return 16;
+    case VPX_IMG_FMT_I444: return 24;
+    case VPX_IMG_FMT_I440: return 16;
+    case VPX_IMG_FMT_I42016: return 24;
+    case VPX_IMG_FMT_I42216: return 32;
+    case VPX_IMG_FMT_I44416: return 48;
+    case VPX_IMG_FMT_I44016: return 32;
+    default: assert(0 && "Invalid image format"); break;
+  }
+  return 0;
+}
+
+static vpx_codec_err_t set_encoder_config(
+  VP9EncoderConfig *oxcf,
+  const vpx_codec_enc_cfg_t *cfg,
+  const struct vp10_extracfg *extra_cfg) {
+  const int is_vbr = cfg->rc_end_usage == VPX_VBR;
+  int sl, tl;
+  oxcf->profile = cfg->g_profile;
+  oxcf->max_threads = (int)cfg->g_threads;
+  oxcf->width   = cfg->g_w;
+  oxcf->height  = cfg->g_h;
+  oxcf->bit_depth = cfg->g_bit_depth;
+  oxcf->input_bit_depth = cfg->g_input_bit_depth;
+  // guess a frame rate if out of whack, use 30
+  oxcf->init_framerate = (double)cfg->g_timebase.den / cfg->g_timebase.num;
+  if (oxcf->init_framerate > 180)
+    oxcf->init_framerate = 30;
+
+  oxcf->mode = GOOD;
+
+  switch (cfg->g_pass) {
+    case VPX_RC_ONE_PASS:
+      oxcf->pass = 0;
+      break;
+    case VPX_RC_FIRST_PASS:
+      oxcf->pass = 1;
+      break;
+    case VPX_RC_LAST_PASS:
+      oxcf->pass = 2;
+      break;
+  }
+
+  oxcf->lag_in_frames = cfg->g_pass == VPX_RC_FIRST_PASS ? 0
+                                                         : cfg->g_lag_in_frames;
+  oxcf->rc_mode = cfg->rc_end_usage;
+
+  // Convert target bandwidth from Kbit/s to Bit/s
+  oxcf->target_bandwidth = 1000 * cfg->rc_target_bitrate;
+  oxcf->rc_max_intra_bitrate_pct = extra_cfg->rc_max_intra_bitrate_pct;
+  oxcf->rc_max_inter_bitrate_pct = extra_cfg->rc_max_inter_bitrate_pct;
+  oxcf->gf_cbr_boost_pct = extra_cfg->gf_cbr_boost_pct;
+
+  oxcf->best_allowed_q =
+      extra_cfg->lossless ? 0 : vp10_quantizer_to_qindex(cfg->rc_min_quantizer);
+  oxcf->worst_allowed_q =
+      extra_cfg->lossless ? 0 : vp10_quantizer_to_qindex(cfg->rc_max_quantizer);
+  oxcf->cq_level        = vp10_quantizer_to_qindex(extra_cfg->cq_level);
+  oxcf->fixed_q = -1;
+
+  oxcf->under_shoot_pct         = cfg->rc_undershoot_pct;
+  oxcf->over_shoot_pct          = cfg->rc_overshoot_pct;
+
+  oxcf->scaled_frame_width  = cfg->rc_scaled_width;
+  oxcf->scaled_frame_height = cfg->rc_scaled_height;
+  if (cfg->rc_resize_allowed == 1) {
+    oxcf->resize_mode =
+        (oxcf->scaled_frame_width == 0 || oxcf->scaled_frame_height == 0) ?
+            RESIZE_DYNAMIC : RESIZE_FIXED;
+  } else {
+    oxcf->resize_mode = RESIZE_NONE;
+  }
+
+  oxcf->maximum_buffer_size_ms   = is_vbr ? 240000 : cfg->rc_buf_sz;
+  oxcf->starting_buffer_level_ms = is_vbr ? 60000 : cfg->rc_buf_initial_sz;
+  oxcf->optimal_buffer_level_ms  = is_vbr ? 60000 : cfg->rc_buf_optimal_sz;
+
+  oxcf->drop_frames_water_mark   = cfg->rc_dropframe_thresh;
+
+  oxcf->two_pass_vbrbias         = cfg->rc_2pass_vbr_bias_pct;
+  oxcf->two_pass_vbrmin_section  = cfg->rc_2pass_vbr_minsection_pct;
+  oxcf->two_pass_vbrmax_section  = cfg->rc_2pass_vbr_maxsection_pct;
+
+  oxcf->auto_key               = cfg->kf_mode == VPX_KF_AUTO &&
+                                 cfg->kf_min_dist != cfg->kf_max_dist;
+
+  oxcf->key_freq               = cfg->kf_max_dist;
+
+  oxcf->speed                  =  abs(extra_cfg->cpu_used);
+  oxcf->encode_breakout        =  extra_cfg->static_thresh;
+  oxcf->enable_auto_arf        =  extra_cfg->enable_auto_alt_ref;
+  oxcf->noise_sensitivity      =  extra_cfg->noise_sensitivity;
+  oxcf->sharpness              =  extra_cfg->sharpness;
+
+  oxcf->two_pass_stats_in      =  cfg->rc_twopass_stats_in;
+
+#if CONFIG_FP_MB_STATS
+  oxcf->firstpass_mb_stats_in  = cfg->rc_firstpass_mb_stats_in;
+#endif
+
+  oxcf->color_space = extra_cfg->color_space;
+  oxcf->arnr_max_frames = extra_cfg->arnr_max_frames;
+  oxcf->arnr_strength   = extra_cfg->arnr_strength;
+  oxcf->min_gf_interval = extra_cfg->min_gf_interval;
+  oxcf->max_gf_interval = extra_cfg->max_gf_interval;
+
+  oxcf->tuning = extra_cfg->tuning;
+  oxcf->content = extra_cfg->content;
+
+  oxcf->tile_columns = extra_cfg->tile_columns;
+  oxcf->tile_rows    = extra_cfg->tile_rows;
+
+  oxcf->error_resilient_mode         = cfg->g_error_resilient;
+  oxcf->frame_parallel_decoding_mode = extra_cfg->frame_parallel_decoding_mode;
+
+  oxcf->aq_mode = extra_cfg->aq_mode;
+
+  oxcf->frame_periodic_boost =  extra_cfg->frame_periodic_boost;
+
+  oxcf->ss_number_layers = cfg->ss_number_layers;
+  oxcf->ts_number_layers = cfg->ts_number_layers;
+  oxcf->temporal_layering_mode = (enum vp9e_temporal_layering_mode)
+      cfg->temporal_layering_mode;
+
+  for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
+#if CONFIG_SPATIAL_SVC
+    oxcf->ss_enable_auto_arf[sl] = cfg->ss_enable_auto_alt_ref[sl];
+#endif
+    for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
+      oxcf->layer_target_bitrate[sl * oxcf->ts_number_layers + tl] =
+          1000 * cfg->layer_target_bitrate[sl * oxcf->ts_number_layers + tl];
+    }
+  }
+  if (oxcf->ss_number_layers == 1 && oxcf->pass != 0) {
+    oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth;
+#if CONFIG_SPATIAL_SVC
+    oxcf->ss_enable_auto_arf[0] = extra_cfg->enable_auto_alt_ref;
+#endif
+  }
+  if (oxcf->ts_number_layers > 1) {
+    for (tl = 0; tl < VPX_TS_MAX_LAYERS; ++tl) {
+      oxcf->ts_rate_decimator[tl] = cfg->ts_rate_decimator[tl] ?
+          cfg->ts_rate_decimator[tl] : 1;
+    }
+  } else if (oxcf->ts_number_layers == 1) {
+    oxcf->ts_rate_decimator[0] = 1;
+  }
+  /*
+  printf("Current VP9 Settings: \n");
+  printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
+  printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
+  printf("sharpness: %d\n",    oxcf->sharpness);
+  printf("cpu_used: %d\n",  oxcf->cpu_used);
+  printf("Mode: %d\n",     oxcf->mode);
+  printf("auto_key: %d\n",  oxcf->auto_key);
+  printf("key_freq: %d\n", oxcf->key_freq);
+  printf("end_usage: %d\n", oxcf->end_usage);
+  printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
+  printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
+  printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
+  printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
+  printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
+  printf("fixed_q: %d\n",  oxcf->fixed_q);
+  printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
+  printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
+  printf("allow_spatial_resampling: %d\n", oxcf->allow_spatial_resampling);
+  printf("scaled_frame_width: %d\n", oxcf->scaled_frame_width);
+  printf("scaled_frame_height: %d\n", oxcf->scaled_frame_height);
+  printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
+  printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
+  printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
+  printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
+  printf("enable_auto_arf: %d\n", oxcf->enable_auto_arf);
+  printf("Version: %d\n", oxcf->Version);
+  printf("encode_breakout: %d\n", oxcf->encode_breakout);
+  printf("error resilient: %d\n", oxcf->error_resilient_mode);
+  printf("frame parallel detokenization: %d\n",
+         oxcf->frame_parallel_decoding_mode);
+  */
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t encoder_set_config(vpx_codec_alg_priv_t *ctx,
+                                          const vpx_codec_enc_cfg_t  *cfg) {
+  vpx_codec_err_t res;
+  int force_key = 0;
+
+  if (cfg->g_w != ctx->cfg.g_w || cfg->g_h != ctx->cfg.g_h) {
+    if (cfg->g_lag_in_frames > 1 || cfg->g_pass != VPX_RC_ONE_PASS)
+      ERROR("Cannot change width or height after initialization");
+    if (!valid_ref_frame_size(ctx->cfg.g_w, ctx->cfg.g_h, cfg->g_w, cfg->g_h) ||
+        (ctx->cpi->initial_width && (int)cfg->g_w > ctx->cpi->initial_width) ||
+        (ctx->cpi->initial_height && (int)cfg->g_h > ctx->cpi->initial_height))
+      force_key = 1;
+  }
+
+  // Prevent increasing lag_in_frames. This check is stricter than it needs
+  // to be -- the limit is not increasing past the first lag_in_frames
+  // value, but we don't track the initial config, only the last successful
+  // config.
+  if (cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames)
+    ERROR("Cannot increase lag_in_frames");
+
+  res = validate_config(ctx, cfg, &ctx->extra_cfg);
+
+  if (res == VPX_CODEC_OK) {
+    ctx->cfg = *cfg;
+    set_encoder_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
+    // On profile change, request a key frame
+    force_key |= ctx->cpi->common.profile != ctx->oxcf.profile;
+    vp10_change_config(ctx->cpi, &ctx->oxcf);
+  }
+
+  if (force_key)
+    ctx->next_frame_flags |= VPX_EFLAG_FORCE_KF;
+
+  return res;
+}
+
+static vpx_codec_err_t ctrl_get_quantizer(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  int *const arg = va_arg(args, int *);
+  if (arg == NULL)
+    return VPX_CODEC_INVALID_PARAM;
+  *arg = vp10_get_quantizer(ctx->cpi);
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_get_quantizer64(vpx_codec_alg_priv_t *ctx,
+                                            va_list args) {
+  int *const arg = va_arg(args, int *);
+  if (arg == NULL)
+    return VPX_CODEC_INVALID_PARAM;
+  *arg = vp10_qindex_to_quantizer(vp10_get_quantizer(ctx->cpi));
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t update_extra_cfg(vpx_codec_alg_priv_t *ctx,
+                                        const struct vp10_extracfg *extra_cfg) {
+  const vpx_codec_err_t res = validate_config(ctx, &ctx->cfg, extra_cfg);
+  if (res == VPX_CODEC_OK) {
+    ctx->extra_cfg = *extra_cfg;
+    set_encoder_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
+    vp10_change_config(ctx->cpi, &ctx->oxcf);
+  }
+  return res;
+}
+
+static vpx_codec_err_t ctrl_set_cpuused(vpx_codec_alg_priv_t *ctx,
+                                        va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.cpu_used = CAST(VP8E_SET_CPUUSED, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_enable_auto_alt_ref(vpx_codec_alg_priv_t *ctx,
+                                                    va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.enable_auto_alt_ref = CAST(VP8E_SET_ENABLEAUTOALTREF, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_noise_sensitivity(vpx_codec_alg_priv_t *ctx,
+                                                  va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.noise_sensitivity = CAST(VP9E_SET_NOISE_SENSITIVITY, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_sharpness(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.sharpness = CAST(VP8E_SET_SHARPNESS, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_static_thresh(vpx_codec_alg_priv_t *ctx,
+                                              va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.static_thresh = CAST(VP8E_SET_STATIC_THRESHOLD, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_tile_columns(vpx_codec_alg_priv_t *ctx,
+                                             va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.tile_columns = CAST(VP9E_SET_TILE_COLUMNS, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_tile_rows(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.tile_rows = CAST(VP9E_SET_TILE_ROWS, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_arnr_max_frames(vpx_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.arnr_max_frames = CAST(VP8E_SET_ARNR_MAXFRAMES, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_arnr_strength(vpx_codec_alg_priv_t *ctx,
+                                              va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.arnr_strength = CAST(VP8E_SET_ARNR_STRENGTH, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_arnr_type(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  (void)ctx;
+  (void)args;
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_tuning(vpx_codec_alg_priv_t *ctx,
+                                       va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.tuning = CAST(VP8E_SET_TUNING, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_cq_level(vpx_codec_alg_priv_t *ctx,
+                                         va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.cq_level = CAST(VP8E_SET_CQ_LEVEL, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_rc_max_intra_bitrate_pct(
+    vpx_codec_alg_priv_t *ctx, va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.rc_max_intra_bitrate_pct =
+      CAST(VP8E_SET_MAX_INTRA_BITRATE_PCT, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_rc_max_inter_bitrate_pct(
+    vpx_codec_alg_priv_t *ctx, va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.rc_max_inter_bitrate_pct =
+      CAST(VP8E_SET_MAX_INTER_BITRATE_PCT, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_rc_gf_cbr_boost_pct(
+    vpx_codec_alg_priv_t *ctx, va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.gf_cbr_boost_pct =
+      CAST(VP9E_SET_GF_CBR_BOOST_PCT, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_lossless(vpx_codec_alg_priv_t *ctx,
+                                         va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.lossless = CAST(VP9E_SET_LOSSLESS, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_frame_parallel_decoding_mode(
+    vpx_codec_alg_priv_t *ctx, va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.frame_parallel_decoding_mode =
+      CAST(VP9E_SET_FRAME_PARALLEL_DECODING, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_aq_mode(vpx_codec_alg_priv_t *ctx,
+                                        va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.aq_mode = CAST(VP9E_SET_AQ_MODE, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_min_gf_interval(vpx_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.min_gf_interval = CAST(VP9E_SET_MIN_GF_INTERVAL, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_max_gf_interval(vpx_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.max_gf_interval = CAST(VP9E_SET_MAX_GF_INTERVAL, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_frame_periodic_boost(vpx_codec_alg_priv_t *ctx,
+                                                     va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.frame_periodic_boost = CAST(VP9E_SET_FRAME_PERIODIC_BOOST, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t encoder_init(vpx_codec_ctx_t *ctx,
+                                    vpx_codec_priv_enc_mr_cfg_t *data) {
+  vpx_codec_err_t res = VPX_CODEC_OK;
+  (void)data;
+
+  if (ctx->priv == NULL) {
+    vpx_codec_alg_priv_t *const priv = vpx_calloc(1, sizeof(*priv));
+    if (priv == NULL)
+      return VPX_CODEC_MEM_ERROR;
+
+    ctx->priv = (vpx_codec_priv_t *)priv;
+    ctx->priv->init_flags = ctx->init_flags;
+    ctx->priv->enc.total_encoders = 1;
+    priv->buffer_pool =
+        (BufferPool *)vpx_calloc(1, sizeof(BufferPool));
+    if (priv->buffer_pool == NULL)
+      return VPX_CODEC_MEM_ERROR;
+
+#if CONFIG_MULTITHREAD
+    if (pthread_mutex_init(&priv->buffer_pool->pool_mutex, NULL)) {
+      return VPX_CODEC_MEM_ERROR;
+    }
+#endif
+
+    if (ctx->config.enc) {
+      // Update the reference to the config structure to an internal copy.
+      priv->cfg = *ctx->config.enc;
+      ctx->config.enc = &priv->cfg;
+    }
+
+    priv->extra_cfg = default_extra_cfg;
+    once(vp10_initialize_enc);
+
+    res = validate_config(priv, &priv->cfg, &priv->extra_cfg);
+
+    if (res == VPX_CODEC_OK) {
+      set_encoder_config(&priv->oxcf, &priv->cfg, &priv->extra_cfg);
+#if CONFIG_VP9_HIGHBITDEPTH
+      priv->oxcf.use_highbitdepth =
+          (ctx->init_flags & VPX_CODEC_USE_HIGHBITDEPTH) ? 1 : 0;
+#endif
+      priv->cpi = vp10_create_compressor(&priv->oxcf, priv->buffer_pool);
+      if (priv->cpi == NULL)
+        res = VPX_CODEC_MEM_ERROR;
+      else
+        priv->cpi->output_pkt_list = &priv->pkt_list.head;
+    }
+  }
+
+  return res;
+}
+
+static vpx_codec_err_t encoder_destroy(vpx_codec_alg_priv_t *ctx) {
+  free(ctx->cx_data);
+  vp10_remove_compressor(ctx->cpi);
+#if CONFIG_MULTITHREAD
+  pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
+#endif
+  vpx_free(ctx->buffer_pool);
+  vpx_free(ctx);
+  return VPX_CODEC_OK;
+}
+
+static void pick_quickcompress_mode(vpx_codec_alg_priv_t *ctx,
+                                    unsigned long duration,
+                                    unsigned long deadline) {
+  MODE new_mode = BEST;
+
+  switch (ctx->cfg.g_pass) {
+    case VPX_RC_ONE_PASS:
+      if (deadline > 0) {
+        const vpx_codec_enc_cfg_t *const cfg = &ctx->cfg;
+
+        // Convert duration parameter from stream timebase to microseconds.
+        const uint64_t duration_us = (uint64_t)duration * 1000000 *
+           (uint64_t)cfg->g_timebase.num /(uint64_t)cfg->g_timebase.den;
+
+        // If the deadline is more that the duration this frame is to be shown,
+        // use good quality mode. Otherwise use realtime mode.
+        new_mode = (deadline > duration_us) ? GOOD : REALTIME;
+      } else {
+        new_mode = BEST;
+      }
+      break;
+    case VPX_RC_FIRST_PASS:
+      break;
+    case VPX_RC_LAST_PASS:
+      new_mode = deadline > 0 ? GOOD : BEST;
+      break;
+  }
+
+  if (ctx->oxcf.mode != new_mode) {
+    ctx->oxcf.mode = new_mode;
+    vp10_change_config(ctx->cpi, &ctx->oxcf);
+  }
+}
+
+// Turn on to test if supplemental superframe data breaks decoding
+// #define TEST_SUPPLEMENTAL_SUPERFRAME_DATA
+static int write_superframe_index(vpx_codec_alg_priv_t *ctx) {
+  uint8_t marker = 0xc0;
+  unsigned int mask;
+  int mag, index_sz;
+
+  assert(ctx->pending_frame_count);
+  assert(ctx->pending_frame_count <= 8);
+
+  // Add the number of frames to the marker byte
+  marker |= ctx->pending_frame_count - 1;
+
+  // Choose the magnitude
+  for (mag = 0, mask = 0xff; mag < 4; mag++) {
+    if (ctx->pending_frame_magnitude < mask)
+      break;
+    mask <<= 8;
+    mask |= 0xff;
+  }
+  marker |= mag << 3;
+
+  // Write the index
+  index_sz = 2 + (mag + 1) * ctx->pending_frame_count;
+  if (ctx->pending_cx_data_sz + index_sz < ctx->cx_data_sz) {
+    uint8_t *x = ctx->pending_cx_data + ctx->pending_cx_data_sz;
+    int i, j;
+#ifdef TEST_SUPPLEMENTAL_SUPERFRAME_DATA
+    uint8_t marker_test = 0xc0;
+    int mag_test = 2;     // 1 - 4
+    int frames_test = 4;  // 1 - 8
+    int index_sz_test = 2 + mag_test * frames_test;
+    marker_test |= frames_test - 1;
+    marker_test |= (mag_test - 1) << 3;
+    *x++ = marker_test;
+    for (i = 0; i < mag_test * frames_test; ++i)
+      *x++ = 0;  // fill up with arbitrary data
+    *x++ = marker_test;
+    ctx->pending_cx_data_sz += index_sz_test;
+    printf("Added supplemental superframe data\n");
+#endif
+
+    *x++ = marker;
+    for (i = 0; i < ctx->pending_frame_count; i++) {
+      unsigned int this_sz = (unsigned int)ctx->pending_frame_sizes[i];
+
+      for (j = 0; j <= mag; j++) {
+        *x++ = this_sz & 0xff;
+        this_sz >>= 8;
+      }
+    }
+    *x++ = marker;
+    ctx->pending_cx_data_sz += index_sz;
+#ifdef TEST_SUPPLEMENTAL_SUPERFRAME_DATA
+    index_sz += index_sz_test;
+#endif
+  }
+  return index_sz;
+}
+
+// vp9 uses 10,000,000 ticks/second as time stamp
+#define TICKS_PER_SEC 10000000LL
+
+static int64_t timebase_units_to_ticks(const vpx_rational_t *timebase,
+                                       int64_t n) {
+  return n * TICKS_PER_SEC * timebase->num / timebase->den;
+}
+
+static int64_t ticks_to_timebase_units(const vpx_rational_t *timebase,
+                                       int64_t n) {
+  const int64_t round = TICKS_PER_SEC * timebase->num / 2 - 1;
+  return (n * timebase->den + round) / timebase->num / TICKS_PER_SEC;
+}
+
+static vpx_codec_frame_flags_t get_frame_pkt_flags(const VP9_COMP *cpi,
+                                                   unsigned int lib_flags) {
+  vpx_codec_frame_flags_t flags = lib_flags << 16;
+
+  if (lib_flags & FRAMEFLAGS_KEY ||
+      (cpi->use_svc &&
+          cpi->svc.layer_context[cpi->svc.spatial_layer_id *
+              cpi->svc.number_temporal_layers +
+              cpi->svc.temporal_layer_id].is_key_frame)
+     )
+    flags |= VPX_FRAME_IS_KEY;
+
+  if (cpi->droppable)
+    flags |= VPX_FRAME_IS_DROPPABLE;
+
+  return flags;
+}
+
+static vpx_codec_err_t encoder_encode(vpx_codec_alg_priv_t  *ctx,
+                                      const vpx_image_t *img,
+                                      vpx_codec_pts_t pts,
+                                      unsigned long duration,
+                                      vpx_enc_frame_flags_t flags,
+                                      unsigned long deadline) {
+  vpx_codec_err_t res = VPX_CODEC_OK;
+  VP9_COMP *const cpi = ctx->cpi;
+  const vpx_rational_t *const timebase = &ctx->cfg.g_timebase;
+  size_t data_sz;
+
+  if (img != NULL) {
+    res = validate_img(ctx, img);
+    // TODO(jzern) the checks related to cpi's validity should be treated as a
+    // failure condition, encoder setup is done fully in init() currently.
+    if (res == VPX_CODEC_OK && cpi != NULL) {
+      // There's no codec control for multiple alt-refs so check the encoder
+      // instance for its status to determine the compressed data size.
+      data_sz = ctx->cfg.g_w * ctx->cfg.g_h * get_image_bps(img) / 8 *
+                (cpi->multi_arf_allowed ? 8 : 2);
+      if (data_sz < 4096)
+        data_sz = 4096;
+      if (ctx->cx_data == NULL || ctx->cx_data_sz < data_sz) {
+        ctx->cx_data_sz = data_sz;
+        free(ctx->cx_data);
+        ctx->cx_data = (unsigned char*)malloc(ctx->cx_data_sz);
+        if (ctx->cx_data == NULL) {
+          return VPX_CODEC_MEM_ERROR;
+        }
+      }
+    }
+  }
+
+  pick_quickcompress_mode(ctx, duration, deadline);
+  vpx_codec_pkt_list_init(&ctx->pkt_list);
+
+  // Handle Flags
+  if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF)) ||
+       ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF))) {
+    ctx->base.err_detail = "Conflicting flags.";
+    return VPX_CODEC_INVALID_PARAM;
+  }
+
+  vp10_apply_encoding_flags(cpi, flags);
+
+  // Handle fixed keyframe intervals
+  if (ctx->cfg.kf_mode == VPX_KF_AUTO &&
+      ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist) {
+    if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist) {
+      flags |= VPX_EFLAG_FORCE_KF;
+      ctx->fixed_kf_cntr = 1;
+    }
+  }
+
+  // Initialize the encoder instance on the first frame.
+  if (res == VPX_CODEC_OK && cpi != NULL) {
+    unsigned int lib_flags = 0;
+    YV12_BUFFER_CONFIG sd;
+    int64_t dst_time_stamp = timebase_units_to_ticks(timebase, pts);
+    int64_t dst_end_time_stamp =
+        timebase_units_to_ticks(timebase, pts + duration);
+    size_t size, cx_data_sz;
+    unsigned char *cx_data;
+
+    // Set up internal flags
+    if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
+      cpi->b_calculate_psnr = 1;
+
+    if (img != NULL) {
+      res = image2yuvconfig(img, &sd);
+
+      // Store the original flags in to the frame buffer. Will extract the
+      // key frame flag when we actually encode this frame.
+      if (vp10_receive_raw_frame(cpi, flags | ctx->next_frame_flags,
+                                &sd, dst_time_stamp, dst_end_time_stamp)) {
+        res = update_error_state(ctx, &cpi->common.error);
+      }
+      ctx->next_frame_flags = 0;
+    }
+
+    cx_data = ctx->cx_data;
+    cx_data_sz = ctx->cx_data_sz;
+
+    /* Any pending invisible frames? */
+    if (ctx->pending_cx_data) {
+      memmove(cx_data, ctx->pending_cx_data, ctx->pending_cx_data_sz);
+      ctx->pending_cx_data = cx_data;
+      cx_data += ctx->pending_cx_data_sz;
+      cx_data_sz -= ctx->pending_cx_data_sz;
+
+      /* TODO: this is a minimal check, the underlying codec doesn't respect
+       * the buffer size anyway.
+       */
+      if (cx_data_sz < ctx->cx_data_sz / 2) {
+        ctx->base.err_detail = "Compressed data buffer too small";
+        return VPX_CODEC_ERROR;
+      }
+    }
+
+    while (cx_data_sz >= ctx->cx_data_sz / 2 &&
+           -1 != vp10_get_compressed_data(cpi, &lib_flags, &size,
+                                         cx_data, &dst_time_stamp,
+                                         &dst_end_time_stamp, !img)) {
+      if (size) {
+        vpx_codec_cx_pkt_t pkt;
+
+#if CONFIG_SPATIAL_SVC
+        if (cpi->use_svc)
+          cpi->svc.layer_context[cpi->svc.spatial_layer_id *
+              cpi->svc.number_temporal_layers].layer_size += size;
+#endif
+
+        // Pack invisible frames with the next visible frame
+        if (!cpi->common.show_frame ||
+            (cpi->use_svc &&
+             cpi->svc.spatial_layer_id < cpi->svc.number_spatial_layers - 1)
+            ) {
+          if (ctx->pending_cx_data == 0)
+            ctx->pending_cx_data = cx_data;
+          ctx->pending_cx_data_sz += size;
+          ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
+          ctx->pending_frame_magnitude |= size;
+          cx_data += size;
+          cx_data_sz -= size;
+
+          if (ctx->output_cx_pkt_cb.output_cx_pkt) {
+            pkt.kind = VPX_CODEC_CX_FRAME_PKT;
+            pkt.data.frame.pts = ticks_to_timebase_units(timebase,
+                                                         dst_time_stamp);
+            pkt.data.frame.duration =
+               (unsigned long)ticks_to_timebase_units(timebase,
+                   dst_end_time_stamp - dst_time_stamp);
+            pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
+            pkt.data.frame.buf = ctx->pending_cx_data;
+            pkt.data.frame.sz  = size;
+            ctx->pending_cx_data = NULL;
+            ctx->pending_cx_data_sz = 0;
+            ctx->pending_frame_count = 0;
+            ctx->pending_frame_magnitude = 0;
+            ctx->output_cx_pkt_cb.output_cx_pkt(
+                &pkt, ctx->output_cx_pkt_cb.user_priv);
+          }
+          continue;
+        }
+
+        // Add the frame packet to the list of returned packets.
+        pkt.kind = VPX_CODEC_CX_FRAME_PKT;
+        pkt.data.frame.pts = ticks_to_timebase_units(timebase, dst_time_stamp);
+        pkt.data.frame.duration =
+           (unsigned long)ticks_to_timebase_units(timebase,
+               dst_end_time_stamp - dst_time_stamp);
+        pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
+
+        if (ctx->pending_cx_data) {
+          ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
+          ctx->pending_frame_magnitude |= size;
+          ctx->pending_cx_data_sz += size;
+          // write the superframe only for the case when
+          if (!ctx->output_cx_pkt_cb.output_cx_pkt)
+            size += write_superframe_index(ctx);
+          pkt.data.frame.buf = ctx->pending_cx_data;
+          pkt.data.frame.sz  = ctx->pending_cx_data_sz;
+          ctx->pending_cx_data = NULL;
+          ctx->pending_cx_data_sz = 0;
+          ctx->pending_frame_count = 0;
+          ctx->pending_frame_magnitude = 0;
+        } else {
+          pkt.data.frame.buf = cx_data;
+          pkt.data.frame.sz  = size;
+        }
+        pkt.data.frame.partition_id = -1;
+
+        if(ctx->output_cx_pkt_cb.output_cx_pkt)
+          ctx->output_cx_pkt_cb.output_cx_pkt(&pkt,
+                                              ctx->output_cx_pkt_cb.user_priv);
+        else
+          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
+
+        cx_data += size;
+        cx_data_sz -= size;
+#if VPX_ENCODER_ABI_VERSION > (5 + VPX_CODEC_ABI_VERSION)
+#if CONFIG_SPATIAL_SVC
+        if (cpi->use_svc && !ctx->output_cx_pkt_cb.output_cx_pkt) {
+          vpx_codec_cx_pkt_t pkt_sizes, pkt_psnr;
+          int sl;
+          vp10_zero(pkt_sizes);
+          vp10_zero(pkt_psnr);
+          pkt_sizes.kind = VPX_CODEC_SPATIAL_SVC_LAYER_SIZES;
+          pkt_psnr.kind = VPX_CODEC_SPATIAL_SVC_LAYER_PSNR;
+          for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
+            LAYER_CONTEXT *lc =
+                &cpi->svc.layer_context[sl * cpi->svc.number_temporal_layers];
+            pkt_sizes.data.layer_sizes[sl] = lc->layer_size;
+            pkt_psnr.data.layer_psnr[sl] = lc->psnr_pkt;
+            lc->layer_size = 0;
+          }
+
+          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_sizes);
+
+          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_psnr);
+        }
+#endif
+#endif
+        if (is_one_pass_cbr_svc(cpi) &&
+            (cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) {
+          // Encoded all spatial layers; exit loop.
+          break;
+        }
+      }
+    }
+  }
+
+  return res;
+}
+
+static const vpx_codec_cx_pkt_t *encoder_get_cxdata(vpx_codec_alg_priv_t *ctx,
+                                                    vpx_codec_iter_t *iter) {
+  return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
+}
+
+static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
+
+  if (frame != NULL) {
+    YV12_BUFFER_CONFIG sd;
+
+    image2yuvconfig(&frame->img, &sd);
+    vp10_set_reference_enc(ctx->cpi, ref_frame_to_vp10_reframe(frame->frame_type),
+                          &sd);
+    return VPX_CODEC_OK;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
+
+  if (frame != NULL) {
+    YV12_BUFFER_CONFIG sd;
+
+    image2yuvconfig(&frame->img, &sd);
+    vp10_copy_reference_enc(ctx->cpi,
+                           ref_frame_to_vp10_reframe(frame->frame_type), &sd);
+    return VPX_CODEC_OK;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  vp9_ref_frame_t *const frame = va_arg(args, vp9_ref_frame_t *);
+
+  if (frame != NULL) {
+    YV12_BUFFER_CONFIG *fb = get_ref_frame(&ctx->cpi->common, frame->idx);
+    if (fb == NULL) return VPX_CODEC_ERROR;
+
+    yuvconfig2image(&frame->img, fb, NULL);
+    return VPX_CODEC_OK;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_set_previewpp(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+#if CONFIG_VP9_POSTPROC
+  vp8_postproc_cfg_t *config = va_arg(args, vp8_postproc_cfg_t *);
+  if (config != NULL) {
+    ctx->preview_ppcfg = *config;
+    return VPX_CODEC_OK;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+#else
+  (void)ctx;
+  (void)args;
+  return VPX_CODEC_INCAPABLE;
+#endif
+}
+
+
+static vpx_image_t *encoder_get_preview(vpx_codec_alg_priv_t *ctx) {
+  YV12_BUFFER_CONFIG sd;
+  vp10_ppflags_t flags;
+  vp10_zero(flags);
+
+  if (ctx->preview_ppcfg.post_proc_flag) {
+    flags.post_proc_flag   = ctx->preview_ppcfg.post_proc_flag;
+    flags.deblocking_level = ctx->preview_ppcfg.deblocking_level;
+    flags.noise_level      = ctx->preview_ppcfg.noise_level;
+  }
+
+  if (vp10_get_preview_raw_frame(ctx->cpi, &sd, &flags) == 0) {
+    yuvconfig2image(&ctx->preview_img, &sd, NULL);
+    return &ctx->preview_img;
+  } else {
+    return NULL;
+  }
+}
+
+static vpx_codec_err_t ctrl_update_entropy(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  const int update = va_arg(args, int);
+
+  vp10_update_entropy(ctx->cpi, update);
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_update_reference(vpx_codec_alg_priv_t *ctx,
+                                             va_list args) {
+  const int ref_frame_flags = va_arg(args, int);
+
+  vp10_update_reference(ctx->cpi, ref_frame_flags);
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_use_reference(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  const int reference_flag = va_arg(args, int);
+
+  vp10_use_as_reference(ctx->cpi, reference_flag);
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_roi_map(vpx_codec_alg_priv_t *ctx,
+                                        va_list args) {
+  (void)ctx;
+  (void)args;
+
+  // TODO(yaowu): Need to re-implement and test for VP9.
+  return VPX_CODEC_INVALID_PARAM;
+}
+
+
+static vpx_codec_err_t ctrl_set_active_map(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  vpx_active_map_t *const map = va_arg(args, vpx_active_map_t *);
+
+  if (map) {
+    if (!vp10_set_active_map(ctx->cpi, map->active_map,
+                            (int)map->rows, (int)map->cols))
+      return VPX_CODEC_OK;
+    else
+      return VPX_CODEC_INVALID_PARAM;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_get_active_map(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  vpx_active_map_t *const map = va_arg(args, vpx_active_map_t *);
+
+  if (map) {
+    if (!vp10_get_active_map(ctx->cpi, map->active_map,
+                            (int)map->rows, (int)map->cols))
+      return VPX_CODEC_OK;
+    else
+      return VPX_CODEC_INVALID_PARAM;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_set_scale_mode(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  vpx_scaling_mode_t *const mode = va_arg(args, vpx_scaling_mode_t *);
+
+  if (mode) {
+    const int res = vp10_set_internal_size(ctx->cpi,
+                                          (VPX_SCALING)mode->h_scaling_mode,
+                                          (VPX_SCALING)mode->v_scaling_mode);
+    return (res == 0) ? VPX_CODEC_OK : VPX_CODEC_INVALID_PARAM;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_set_svc(vpx_codec_alg_priv_t *ctx, va_list args) {
+  int data = va_arg(args, int);
+  const vpx_codec_enc_cfg_t *cfg = &ctx->cfg;
+  // Both one-pass and two-pass RC are supported now.
+  // User setting this has to make sure of the following.
+  // In two-pass setting: either (but not both)
+  //      cfg->ss_number_layers > 1, or cfg->ts_number_layers > 1
+  // In one-pass setting:
+  //      either or both cfg->ss_number_layers > 1, or cfg->ts_number_layers > 1
+
+  vp10_set_svc(ctx->cpi, data);
+
+  if (data == 1 &&
+      (cfg->g_pass == VPX_RC_FIRST_PASS ||
+       cfg->g_pass == VPX_RC_LAST_PASS) &&
+       cfg->ss_number_layers > 1 &&
+       cfg->ts_number_layers > 1) {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_svc_layer_id(vpx_codec_alg_priv_t *ctx,
+                                             va_list args) {
+  vpx_svc_layer_id_t *const data = va_arg(args, vpx_svc_layer_id_t *);
+  VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
+  SVC *const svc = &cpi->svc;
+
+  svc->spatial_layer_id = data->spatial_layer_id;
+  svc->temporal_layer_id = data->temporal_layer_id;
+  // Checks on valid layer_id input.
+  if (svc->temporal_layer_id < 0 ||
+      svc->temporal_layer_id >= (int)ctx->cfg.ts_number_layers) {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+  if (svc->spatial_layer_id < 0 ||
+      svc->spatial_layer_id >= (int)ctx->cfg.ss_number_layers) {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_get_svc_layer_id(vpx_codec_alg_priv_t *ctx,
+                                             va_list args) {
+  vpx_svc_layer_id_t *data = va_arg(args, vpx_svc_layer_id_t *);
+  VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
+  SVC *const svc = &cpi->svc;
+
+  data->spatial_layer_id = svc->spatial_layer_id;
+  data->temporal_layer_id = svc->temporal_layer_id;
+
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
+                                               va_list args) {
+  VP9_COMP *const cpi = ctx->cpi;
+  vpx_svc_extra_cfg_t *const params = va_arg(args, vpx_svc_extra_cfg_t *);
+  int sl, tl;
+
+  // Number of temporal layers and number of spatial layers have to be set
+  // properly before calling this control function.
+  for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
+    for (tl = 0; tl < cpi->svc.number_temporal_layers; ++tl) {
+      const int layer =
+          LAYER_IDS_TO_IDX(sl, tl, cpi->svc.number_temporal_layers);
+      LAYER_CONTEXT *lc =
+          &cpi->svc.layer_context[layer];
+      lc->max_q = params->max_quantizers[sl];
+      lc->min_q = params->min_quantizers[sl];
+      lc->scaling_factor_num = params->scaling_factor_num[sl];
+      lc->scaling_factor_den = params->scaling_factor_den[sl];
+    }
+  }
+
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_register_cx_callback(vpx_codec_alg_priv_t *ctx,
+                                                 va_list args) {
+  vpx_codec_priv_output_cx_pkt_cb_pair_t *cbp =
+      (vpx_codec_priv_output_cx_pkt_cb_pair_t *)va_arg(args, void *);
+  ctx->output_cx_pkt_cb.output_cx_pkt = cbp->output_cx_pkt;
+  ctx->output_cx_pkt_cb.user_priv = cbp->user_priv;
+
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_tune_content(vpx_codec_alg_priv_t *ctx,
+                                             va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.content = CAST(VP9E_SET_TUNE_CONTENT, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_err_t ctrl_set_color_space(vpx_codec_alg_priv_t *ctx,
+                                            va_list args) {
+  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
+  extra_cfg.color_space = CAST(VP9E_SET_COLOR_SPACE, args);
+  return update_extra_cfg(ctx, &extra_cfg);
+}
+
+static vpx_codec_ctrl_fn_map_t encoder_ctrl_maps[] = {
+  {VP8_COPY_REFERENCE,                ctrl_copy_reference},
+  {VP8E_UPD_ENTROPY,                  ctrl_update_entropy},
+  {VP8E_UPD_REFERENCE,                ctrl_update_reference},
+  {VP8E_USE_REFERENCE,                ctrl_use_reference},
+
+  // Setters
+  {VP8_SET_REFERENCE,                 ctrl_set_reference},
+  {VP8_SET_POSTPROC,                  ctrl_set_previewpp},
+  {VP8E_SET_ROI_MAP,                  ctrl_set_roi_map},
+  {VP8E_SET_ACTIVEMAP,                ctrl_set_active_map},
+  {VP8E_SET_SCALEMODE,                ctrl_set_scale_mode},
+  {VP8E_SET_CPUUSED,                  ctrl_set_cpuused},
+  {VP8E_SET_ENABLEAUTOALTREF,         ctrl_set_enable_auto_alt_ref},
+  {VP8E_SET_SHARPNESS,                ctrl_set_sharpness},
+  {VP8E_SET_STATIC_THRESHOLD,         ctrl_set_static_thresh},
+  {VP9E_SET_TILE_COLUMNS,             ctrl_set_tile_columns},
+  {VP9E_SET_TILE_ROWS,                ctrl_set_tile_rows},
+  {VP8E_SET_ARNR_MAXFRAMES,           ctrl_set_arnr_max_frames},
+  {VP8E_SET_ARNR_STRENGTH,            ctrl_set_arnr_strength},
+  {VP8E_SET_ARNR_TYPE,                ctrl_set_arnr_type},
+  {VP8E_SET_TUNING,                   ctrl_set_tuning},
+  {VP8E_SET_CQ_LEVEL,                 ctrl_set_cq_level},
+  {VP8E_SET_MAX_INTRA_BITRATE_PCT,    ctrl_set_rc_max_intra_bitrate_pct},
+  {VP9E_SET_MAX_INTER_BITRATE_PCT,    ctrl_set_rc_max_inter_bitrate_pct},
+  {VP9E_SET_GF_CBR_BOOST_PCT,         ctrl_set_rc_gf_cbr_boost_pct},
+  {VP9E_SET_LOSSLESS,                 ctrl_set_lossless},
+  {VP9E_SET_FRAME_PARALLEL_DECODING,  ctrl_set_frame_parallel_decoding_mode},
+  {VP9E_SET_AQ_MODE,                  ctrl_set_aq_mode},
+  {VP9E_SET_FRAME_PERIODIC_BOOST,     ctrl_set_frame_periodic_boost},
+  {VP9E_SET_SVC,                      ctrl_set_svc},
+  {VP9E_SET_SVC_PARAMETERS,           ctrl_set_svc_parameters},
+  {VP9E_REGISTER_CX_CALLBACK,         ctrl_register_cx_callback},
+  {VP9E_SET_SVC_LAYER_ID,             ctrl_set_svc_layer_id},
+  {VP9E_SET_TUNE_CONTENT,             ctrl_set_tune_content},
+  {VP9E_SET_COLOR_SPACE,              ctrl_set_color_space},
+  {VP9E_SET_NOISE_SENSITIVITY,        ctrl_set_noise_sensitivity},
+  {VP9E_SET_MIN_GF_INTERVAL,          ctrl_set_min_gf_interval},
+  {VP9E_SET_MAX_GF_INTERVAL,          ctrl_set_max_gf_interval},
+
+  // Getters
+  {VP8E_GET_LAST_QUANTIZER,           ctrl_get_quantizer},
+  {VP8E_GET_LAST_QUANTIZER_64,        ctrl_get_quantizer64},
+  {VP9_GET_REFERENCE,                 ctrl_get_reference},
+  {VP9E_GET_SVC_LAYER_ID,             ctrl_get_svc_layer_id},
+  {VP9E_GET_ACTIVEMAP,                ctrl_get_active_map},
+
+  { -1, NULL},
+};
+
+static vpx_codec_enc_cfg_map_t encoder_usage_cfg_map[] = {
+  {
+    0,
+    {  // NOLINT
+      0,                  // g_usage
+      8,                  // g_threads
+      0,                  // g_profile
+
+      320,                // g_width
+      240,                // g_height
+      VPX_BITS_8,         // g_bit_depth
+      8,                  // g_input_bit_depth
+
+      {1, 30},            // g_timebase
+
+      0,                  // g_error_resilient
+
+      VPX_RC_ONE_PASS,    // g_pass
+
+      25,                 // g_lag_in_frames
+
+      0,                  // rc_dropframe_thresh
+      0,                  // rc_resize_allowed
+      0,                  // rc_scaled_width
+      0,                  // rc_scaled_height
+      60,                 // rc_resize_down_thresold
+      30,                 // rc_resize_up_thresold
+
+      VPX_VBR,            // rc_end_usage
+      {NULL, 0},          // rc_twopass_stats_in
+      {NULL, 0},          // rc_firstpass_mb_stats_in
+      256,                // rc_target_bandwidth
+      0,                  // rc_min_quantizer
+      63,                 // rc_max_quantizer
+      25,                 // rc_undershoot_pct
+      25,                 // rc_overshoot_pct
+
+      6000,               // rc_max_buffer_size
+      4000,               // rc_buffer_initial_size
+      5000,               // rc_buffer_optimal_size
+
+      50,                 // rc_two_pass_vbrbias
+      0,                  // rc_two_pass_vbrmin_section
+      2000,               // rc_two_pass_vbrmax_section
+
+      // keyframing settings (kf)
+      VPX_KF_AUTO,        // g_kfmode
+      0,                  // kf_min_dist
+      9999,               // kf_max_dist
+
+      VPX_SS_DEFAULT_LAYERS,  // ss_number_layers
+      {0},
+      {0},                    // ss_target_bitrate
+      1,                      // ts_number_layers
+      {0},                    // ts_target_bitrate
+      {0},                    // ts_rate_decimator
+      0,                      // ts_periodicity
+      {0},                    // ts_layer_id
+      {0},                  // layer_taget_bitrate
+      0                     // temporal_layering_mode
+    }
+  },
+};
+
+#ifndef VERSION_STRING
+#define VERSION_STRING
+#endif
+CODEC_INTERFACE(vpx_codec_vp10_cx) = {
+  "WebM Project VP10 Encoder" VERSION_STRING,
+  VPX_CODEC_INTERNAL_ABI_VERSION,
+#if CONFIG_VP9_HIGHBITDEPTH
+  VPX_CODEC_CAP_HIGHBITDEPTH |
+#endif
+  VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR,  // vpx_codec_caps_t
+  encoder_init,       // vpx_codec_init_fn_t
+  encoder_destroy,    // vpx_codec_destroy_fn_t
+  encoder_ctrl_maps,  // vpx_codec_ctrl_fn_map_t
+  {  // NOLINT
+    NULL,  // vpx_codec_peek_si_fn_t
+    NULL,  // vpx_codec_get_si_fn_t
+    NULL,  // vpx_codec_decode_fn_t
+    NULL,  // vpx_codec_frame_get_fn_t
+    NULL   // vpx_codec_set_fb_fn_t
+  },
+  {  // NOLINT
+    1,                      // 1 cfg map
+    encoder_usage_cfg_map,  // vpx_codec_enc_cfg_map_t
+    encoder_encode,         // vpx_codec_encode_fn_t
+    encoder_get_cxdata,     // vpx_codec_get_cx_data_fn_t
+    encoder_set_config,     // vpx_codec_enc_config_set_fn_t
+    NULL,        // vpx_codec_get_global_headers_fn_t
+    encoder_get_preview,    // vpx_codec_get_preview_frame_fn_t
+    NULL         // vpx_codec_enc_mr_get_mem_loc_fn_t
+  }
+};
--- /dev/null
+++ b/vp10/vp10_dx_iface.c
@@ -1,0 +1,1131 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "./vpx_config.h"
+#include "./vpx_version.h"
+
+#include "vpx/internal/vpx_codec_internal.h"
+#include "vpx/vp8dx.h"
+#include "vpx/vpx_decoder.h"
+#include "vpx_dsp/bitreader_buffer.h"
+#include "vpx_util/vpx_thread.h"
+
+#include "vp10/common/vp9_alloccommon.h"
+#include "vp10/common/vp9_frame_buffers.h"
+
+#include "vp10/decoder/vp9_decoder.h"
+#include "vp10/decoder/vp9_decodeframe.h"
+
+#include "vp10/vp10_iface_common.h"
+
+#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
+
+typedef vpx_codec_stream_info_t vp10_stream_info_t;
+
+// This limit is due to framebuffer numbers.
+// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
+#define FRAME_CACHE_SIZE 6   // Cache maximum 6 decoded frames.
+
+typedef struct cache_frame {
+  int fb_idx;
+  vpx_image_t img;
+} cache_frame;
+
+struct vpx_codec_alg_priv {
+  vpx_codec_priv_t        base;
+  vpx_codec_dec_cfg_t     cfg;
+  vp10_stream_info_t       si;
+  int                     postproc_cfg_set;
+  vp8_postproc_cfg_t      postproc_cfg;
+  vpx_decrypt_cb          decrypt_cb;
+  void                    *decrypt_state;
+  vpx_image_t             img;
+  int                     img_avail;
+  int                     flushed;
+  int                     invert_tile_order;
+  int                     last_show_frame;  // Index of last output frame.
+  int                     byte_alignment;
+  int                     skip_loop_filter;
+
+  // Frame parallel related.
+  int                     frame_parallel_decode;  // frame-based threading.
+  VPxWorker               *frame_workers;
+  int                     num_frame_workers;
+  int                     next_submit_worker_id;
+  int                     last_submit_worker_id;
+  int                     next_output_worker_id;
+  int                     available_threads;
+  cache_frame             frame_cache[FRAME_CACHE_SIZE];
+  int                     frame_cache_write;
+  int                     frame_cache_read;
+  int                     num_cache_frames;
+  int                     need_resync;      // wait for key/intra-only frame
+  // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
+  BufferPool              *buffer_pool;
+
+  // External frame buffer info to save for VP9 common.
+  void *ext_priv;  // Private data associated with the external frame buffers.
+  vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
+  vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
+};
+
+static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
+                                    vpx_codec_priv_enc_mr_cfg_t *data) {
+  // This function only allocates space for the vpx_codec_alg_priv_t
+  // structure. More memory may be required at the time the stream
+  // information becomes known.
+  (void)data;
+
+  if (!ctx->priv) {
+    vpx_codec_alg_priv_t *const priv = vpx_calloc(1, sizeof(*priv));
+    if (priv == NULL)
+      return VPX_CODEC_MEM_ERROR;
+
+    ctx->priv = (vpx_codec_priv_t *)priv;
+    ctx->priv->init_flags = ctx->init_flags;
+    priv->si.sz = sizeof(priv->si);
+    priv->flushed = 0;
+    // Only do frame parallel decode when threads > 1.
+    priv->frame_parallel_decode =
+        (ctx->config.dec && (ctx->config.dec->threads > 1) &&
+         (ctx->init_flags & VPX_CODEC_USE_FRAME_THREADING)) ? 1 : 0;
+    if (ctx->config.dec) {
+      priv->cfg = *ctx->config.dec;
+      ctx->config.dec = &priv->cfg;
+    }
+  }
+
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) {
+  if (ctx->frame_workers != NULL) {
+    int i;
+    for (i = 0; i < ctx->num_frame_workers; ++i) {
+      VPxWorker *const worker = &ctx->frame_workers[i];
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      vpx_get_worker_interface()->end(worker);
+      vp10_remove_common(&frame_worker_data->pbi->common);
+#if CONFIG_VP9_POSTPROC
+      vp10_free_postproc_buffers(&frame_worker_data->pbi->common);
+#endif
+      vp10_decoder_remove(frame_worker_data->pbi);
+      vpx_free(frame_worker_data->scratch_buffer);
+#if CONFIG_MULTITHREAD
+      pthread_mutex_destroy(&frame_worker_data->stats_mutex);
+      pthread_cond_destroy(&frame_worker_data->stats_cond);
+#endif
+      vpx_free(frame_worker_data);
+    }
+#if CONFIG_MULTITHREAD
+    pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
+#endif
+  }
+
+  if (ctx->buffer_pool) {
+    vp10_free_ref_frame_buffers(ctx->buffer_pool);
+    vp10_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
+  }
+
+  vpx_free(ctx->frame_workers);
+  vpx_free(ctx->buffer_pool);
+  vpx_free(ctx);
+  return VPX_CODEC_OK;
+}
+
+static int parse_bitdepth_colorspace_sampling(
+    BITSTREAM_PROFILE profile, struct vpx_read_bit_buffer *rb) {
+  vpx_color_space_t color_space;
+  if (profile >= PROFILE_2)
+    rb->bit_offset += 1;  // Bit-depth 10 or 12.
+  color_space = (vpx_color_space_t)vpx_rb_read_literal(rb, 3);
+  if (color_space != VPX_CS_SRGB) {
+    rb->bit_offset += 1;  // [16,235] (including xvycc) vs [0,255] range.
+    if (profile == PROFILE_1 || profile == PROFILE_3) {
+      rb->bit_offset += 2;  // subsampling x/y.
+      rb->bit_offset += 1;  // unused.
+    }
+  } else {
+    if (profile == PROFILE_1 || profile == PROFILE_3) {
+      rb->bit_offset += 1;  // unused
+    } else {
+      // RGB is only available in version 1.
+      return 0;
+    }
+  }
+  return 1;
+}
+
+static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
+                                                unsigned int data_sz,
+                                                vpx_codec_stream_info_t *si,
+                                                int *is_intra_only,
+                                                vpx_decrypt_cb decrypt_cb,
+                                                void *decrypt_state) {
+  int intra_only_flag = 0;
+  uint8_t clear_buffer[9];
+
+  if (data + data_sz <= data)
+    return VPX_CODEC_INVALID_PARAM;
+
+  si->is_kf = 0;
+  si->w = si->h = 0;
+
+  if (decrypt_cb) {
+    data_sz = MIN(sizeof(clear_buffer), data_sz);
+    decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
+    data = clear_buffer;
+  }
+
+  {
+    int show_frame;
+    int error_resilient;
+    struct vpx_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
+    const int frame_marker = vpx_rb_read_literal(&rb, 2);
+    const BITSTREAM_PROFILE profile = vp10_read_profile(&rb);
+
+    if (frame_marker != VP9_FRAME_MARKER)
+      return VPX_CODEC_UNSUP_BITSTREAM;
+
+    if (profile >= MAX_PROFILES)
+      return VPX_CODEC_UNSUP_BITSTREAM;
+
+    if ((profile >= 2 && data_sz <= 1) || data_sz < 1)
+      return VPX_CODEC_UNSUP_BITSTREAM;
+
+    if (vpx_rb_read_bit(&rb)) {  // show an existing frame
+      vpx_rb_read_literal(&rb, 3);  // Frame buffer to show.
+      return VPX_CODEC_OK;
+    }
+
+    if (data_sz <= 8)
+      return VPX_CODEC_UNSUP_BITSTREAM;
+
+    si->is_kf = !vpx_rb_read_bit(&rb);
+    show_frame = vpx_rb_read_bit(&rb);
+    error_resilient = vpx_rb_read_bit(&rb);
+
+    if (si->is_kf) {
+      if (!vp10_read_sync_code(&rb))
+        return VPX_CODEC_UNSUP_BITSTREAM;
+
+      if (!parse_bitdepth_colorspace_sampling(profile, &rb))
+        return VPX_CODEC_UNSUP_BITSTREAM;
+      vp10_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
+    } else {
+      intra_only_flag = show_frame ? 0 : vpx_rb_read_bit(&rb);
+
+      rb.bit_offset += error_resilient ? 0 : 2;  // reset_frame_context
+
+      if (intra_only_flag) {
+        if (!vp10_read_sync_code(&rb))
+          return VPX_CODEC_UNSUP_BITSTREAM;
+        if (profile > PROFILE_0) {
+          if (!parse_bitdepth_colorspace_sampling(profile, &rb))
+            return VPX_CODEC_UNSUP_BITSTREAM;
+        }
+        rb.bit_offset += REF_FRAMES;  // refresh_frame_flags
+        vp10_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
+      }
+    }
+  }
+  if (is_intra_only != NULL)
+    *is_intra_only = intra_only_flag;
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t decoder_peek_si(const uint8_t *data,
+                                       unsigned int data_sz,
+                                       vpx_codec_stream_info_t *si) {
+  return decoder_peek_si_internal(data, data_sz, si, NULL, NULL, NULL);
+}
+
+static vpx_codec_err_t decoder_get_si(vpx_codec_alg_priv_t *ctx,
+                                      vpx_codec_stream_info_t *si) {
+  const size_t sz = (si->sz >= sizeof(vp10_stream_info_t))
+                       ? sizeof(vp10_stream_info_t)
+                       : sizeof(vpx_codec_stream_info_t);
+  memcpy(si, &ctx->si, sz);
+  si->sz = (unsigned int)sz;
+
+  return VPX_CODEC_OK;
+}
+
+static void set_error_detail(vpx_codec_alg_priv_t *ctx,
+                             const char *const error) {
+  ctx->base.err_detail = error;
+}
+
+static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
+                           const struct vpx_internal_error_info *error) {
+  if (error->error_code)
+    set_error_detail(ctx, error->has_detail ? error->detail : NULL);
+
+  return error->error_code;
+}
+
+static void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
+  int i;
+
+  for (i = 0; i < ctx->num_frame_workers; ++i) {
+    VPxWorker *const worker = &ctx->frame_workers[i];
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+    BufferPool *const pool = cm->buffer_pool;
+
+    cm->new_fb_idx = INVALID_IDX;
+    cm->byte_alignment = ctx->byte_alignment;
+    cm->skip_loop_filter = ctx->skip_loop_filter;
+
+    if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
+      pool->get_fb_cb = ctx->get_ext_fb_cb;
+      pool->release_fb_cb = ctx->release_ext_fb_cb;
+      pool->cb_priv = ctx->ext_priv;
+    } else {
+      pool->get_fb_cb = vp10_get_frame_buffer;
+      pool->release_fb_cb = vp10_release_frame_buffer;
+
+      if (vp10_alloc_internal_frame_buffers(&pool->int_frame_buffers))
+        vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
+                           "Failed to initialize internal frame buffers");
+
+      pool->cb_priv = &pool->int_frame_buffers;
+    }
+  }
+}
+
+static void set_default_ppflags(vp8_postproc_cfg_t *cfg) {
+  cfg->post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK;
+  cfg->deblocking_level = 4;
+  cfg->noise_level = 0;
+}
+
+static void set_ppflags(const vpx_codec_alg_priv_t *ctx,
+                        vp10_ppflags_t *flags) {
+  flags->post_proc_flag =
+      ctx->postproc_cfg.post_proc_flag;
+
+  flags->deblocking_level = ctx->postproc_cfg.deblocking_level;
+  flags->noise_level = ctx->postproc_cfg.noise_level;
+}
+
+static int frame_worker_hook(void *arg1, void *arg2) {
+  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1;
+  const uint8_t *data = frame_worker_data->data;
+  (void)arg2;
+
+  frame_worker_data->result =
+      vp10_receive_compressed_data(frame_worker_data->pbi,
+                                  frame_worker_data->data_size,
+                                  &data);
+  frame_worker_data->data_end = data;
+
+  if (frame_worker_data->pbi->frame_parallel_decode) {
+    // In frame parallel decoding, a worker thread must successfully decode all
+    // the compressed data.
+    if (frame_worker_data->result != 0 ||
+        frame_worker_data->data + frame_worker_data->data_size - 1 > data) {
+      VPxWorker *const worker = frame_worker_data->pbi->frame_worker_owner;
+      BufferPool *const pool = frame_worker_data->pbi->common.buffer_pool;
+      // Signal all the other threads that are waiting for this frame.
+      vp10_frameworker_lock_stats(worker);
+      frame_worker_data->frame_context_ready = 1;
+      lock_buffer_pool(pool);
+      frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
+      unlock_buffer_pool(pool);
+      frame_worker_data->pbi->need_resync = 1;
+      vp10_frameworker_signal_stats(worker);
+      vp10_frameworker_unlock_stats(worker);
+      return 0;
+    }
+  } else if (frame_worker_data->result != 0) {
+    // Check decode result in serial decode.
+    frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
+    frame_worker_data->pbi->need_resync = 1;
+  }
+  return !frame_worker_data->result;
+}
+
+static vpx_codec_err_t init_decoder(vpx_codec_alg_priv_t *ctx) {
+  int i;
+  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
+
+  ctx->last_show_frame = -1;
+  ctx->next_submit_worker_id = 0;
+  ctx->last_submit_worker_id = 0;
+  ctx->next_output_worker_id = 0;
+  ctx->frame_cache_read = 0;
+  ctx->frame_cache_write = 0;
+  ctx->num_cache_frames = 0;
+  ctx->need_resync = 1;
+  ctx->num_frame_workers =
+      (ctx->frame_parallel_decode == 1) ? ctx->cfg.threads: 1;
+  if (ctx->num_frame_workers > MAX_DECODE_THREADS)
+    ctx->num_frame_workers = MAX_DECODE_THREADS;
+  ctx->available_threads = ctx->num_frame_workers;
+  ctx->flushed = 0;
+
+  ctx->buffer_pool = (BufferPool *)vpx_calloc(1, sizeof(BufferPool));
+  if (ctx->buffer_pool == NULL)
+    return VPX_CODEC_MEM_ERROR;
+
+#if CONFIG_MULTITHREAD
+    if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) {
+      set_error_detail(ctx, "Failed to allocate buffer pool mutex");
+      return VPX_CODEC_MEM_ERROR;
+    }
+#endif
+
+  ctx->frame_workers = (VPxWorker *)
+      vpx_malloc(ctx->num_frame_workers * sizeof(*ctx->frame_workers));
+  if (ctx->frame_workers == NULL) {
+    set_error_detail(ctx, "Failed to allocate frame_workers");
+    return VPX_CODEC_MEM_ERROR;
+  }
+
+  for (i = 0; i < ctx->num_frame_workers; ++i) {
+    VPxWorker *const worker = &ctx->frame_workers[i];
+    FrameWorkerData *frame_worker_data = NULL;
+    winterface->init(worker);
+    worker->data1 = vpx_memalign(32, sizeof(FrameWorkerData));
+    if (worker->data1 == NULL) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data");
+      return VPX_CODEC_MEM_ERROR;
+    }
+    frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi = vp10_decoder_create(ctx->buffer_pool);
+    if (frame_worker_data->pbi == NULL) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data");
+      return VPX_CODEC_MEM_ERROR;
+    }
+    frame_worker_data->pbi->frame_worker_owner = worker;
+    frame_worker_data->worker_id = i;
+    frame_worker_data->scratch_buffer = NULL;
+    frame_worker_data->scratch_buffer_size = 0;
+    frame_worker_data->frame_context_ready = 0;
+    frame_worker_data->received_frame = 0;
+#if CONFIG_MULTITHREAD
+    if (pthread_mutex_init(&frame_worker_data->stats_mutex, NULL)) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data mutex");
+      return VPX_CODEC_MEM_ERROR;
+    }
+
+    if (pthread_cond_init(&frame_worker_data->stats_cond, NULL)) {
+      set_error_detail(ctx, "Failed to allocate frame_worker_data cond");
+      return VPX_CODEC_MEM_ERROR;
+    }
+#endif
+    // If decoding in serial mode, FrameWorker thread could create tile worker
+    // thread or loopfilter thread.
+    frame_worker_data->pbi->max_threads =
+        (ctx->frame_parallel_decode == 0) ? ctx->cfg.threads : 0;
+
+    frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order;
+    frame_worker_data->pbi->frame_parallel_decode = ctx->frame_parallel_decode;
+    frame_worker_data->pbi->common.frame_parallel_decode =
+        ctx->frame_parallel_decode;
+    worker->hook = (VPxWorkerHook)frame_worker_hook;
+    if (!winterface->reset(worker)) {
+      set_error_detail(ctx, "Frame Worker thread creation failed");
+      return VPX_CODEC_MEM_ERROR;
+    }
+  }
+
+  // If postprocessing was enabled by the application and a
+  // configuration has not been provided, default it.
+  if (!ctx->postproc_cfg_set &&
+      (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
+    set_default_ppflags(&ctx->postproc_cfg);
+
+  init_buffer_callbacks(ctx);
+
+  return VPX_CODEC_OK;
+}
+
+static INLINE void check_resync(vpx_codec_alg_priv_t *const ctx,
+                                const VP9Decoder *const pbi) {
+  // Clear resync flag if worker got a key frame or intra only frame.
+  if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
+      (pbi->common.intra_only || pbi->common.frame_type == KEY_FRAME))
+    ctx->need_resync = 0;
+}
+
+static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx,
+                                  const uint8_t **data, unsigned int data_sz,
+                                  void *user_priv, int64_t deadline) {
+  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
+  (void)deadline;
+
+  // Determine the stream parameters. Note that we rely on peek_si to
+  // validate that we have a buffer that does not wrap around the top
+  // of the heap.
+  if (!ctx->si.h) {
+    int is_intra_only = 0;
+    const vpx_codec_err_t res =
+        decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only,
+                                 ctx->decrypt_cb, ctx->decrypt_state);
+    if (res != VPX_CODEC_OK)
+      return res;
+
+    if (!ctx->si.is_kf && !is_intra_only)
+      return VPX_CODEC_ERROR;
+  }
+
+  if (!ctx->frame_parallel_decode) {
+    VPxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->data = *data;
+    frame_worker_data->data_size = data_sz;
+    frame_worker_data->user_priv = user_priv;
+    frame_worker_data->received_frame = 1;
+
+    // Set these even if already initialized.  The caller may have changed the
+    // decrypt config between frames.
+    frame_worker_data->pbi->decrypt_cb = ctx->decrypt_cb;
+    frame_worker_data->pbi->decrypt_state = ctx->decrypt_state;
+
+    worker->had_error = 0;
+    winterface->execute(worker);
+
+    // Update data pointer after decode.
+    *data = frame_worker_data->data_end;
+
+    if (worker->had_error)
+      return update_error_state(ctx, &frame_worker_data->pbi->common.error);
+
+    check_resync(ctx, frame_worker_data->pbi);
+  } else {
+    VPxWorker *const worker = &ctx->frame_workers[ctx->next_submit_worker_id];
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    // Copy context from last worker thread to next worker thread.
+    if (ctx->next_submit_worker_id != ctx->last_submit_worker_id)
+      vp10_frameworker_copy_context(
+          &ctx->frame_workers[ctx->next_submit_worker_id],
+          &ctx->frame_workers[ctx->last_submit_worker_id]);
+
+    frame_worker_data->pbi->ready_for_new_data = 0;
+    // Copy the compressed data into worker's internal buffer.
+    // TODO(hkuang): Will all the workers allocate the same size
+    // as the size of the first intra frame be better? This will
+    // avoid too many deallocate and allocate.
+    if (frame_worker_data->scratch_buffer_size < data_sz) {
+      frame_worker_data->scratch_buffer =
+          (uint8_t *)vpx_realloc(frame_worker_data->scratch_buffer, data_sz);
+      if (frame_worker_data->scratch_buffer == NULL) {
+        set_error_detail(ctx, "Failed to reallocate scratch buffer");
+        return VPX_CODEC_MEM_ERROR;
+      }
+      frame_worker_data->scratch_buffer_size = data_sz;
+    }
+    frame_worker_data->data_size = data_sz;
+    memcpy(frame_worker_data->scratch_buffer, *data, data_sz);
+
+    frame_worker_data->frame_decoded = 0;
+    frame_worker_data->frame_context_ready = 0;
+    frame_worker_data->received_frame = 1;
+    frame_worker_data->data = frame_worker_data->scratch_buffer;
+    frame_worker_data->user_priv = user_priv;
+
+    if (ctx->next_submit_worker_id != ctx->last_submit_worker_id)
+      ctx->last_submit_worker_id =
+          (ctx->last_submit_worker_id + 1) % ctx->num_frame_workers;
+
+    ctx->next_submit_worker_id =
+        (ctx->next_submit_worker_id + 1) % ctx->num_frame_workers;
+    --ctx->available_threads;
+    worker->had_error = 0;
+    winterface->launch(worker);
+  }
+
+  return VPX_CODEC_OK;
+}
+
+static void wait_worker_and_cache_frame(vpx_codec_alg_priv_t *ctx) {
+  YV12_BUFFER_CONFIG sd;
+  vp10_ppflags_t flags = {0, 0, 0};
+  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
+  VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
+  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+  ctx->next_output_worker_id =
+      (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
+  // TODO(hkuang): Add worker error handling here.
+  winterface->sync(worker);
+  frame_worker_data->received_frame = 0;
+  ++ctx->available_threads;
+
+  check_resync(ctx, frame_worker_data->pbi);
+
+  if (vp10_get_raw_frame(frame_worker_data->pbi, &sd, &flags) == 0) {
+    VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+    RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
+    ctx->frame_cache[ctx->frame_cache_write].fb_idx = cm->new_fb_idx;
+    yuvconfig2image(&ctx->frame_cache[ctx->frame_cache_write].img, &sd,
+                    frame_worker_data->user_priv);
+    ctx->frame_cache[ctx->frame_cache_write].img.fb_priv =
+        frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
+    ctx->frame_cache_write =
+        (ctx->frame_cache_write + 1) % FRAME_CACHE_SIZE;
+    ++ctx->num_cache_frames;
+  }
+}
+
+static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx,
+                                      const uint8_t *data, unsigned int data_sz,
+                                      void *user_priv, long deadline) {
+  const uint8_t *data_start = data;
+  const uint8_t * const data_end = data + data_sz;
+  vpx_codec_err_t res;
+  uint32_t frame_sizes[8];
+  int frame_count;
+
+  if (data == NULL && data_sz == 0) {
+    ctx->flushed = 1;
+    return VPX_CODEC_OK;
+  }
+
+  // Reset flushed when receiving a valid frame.
+  ctx->flushed = 0;
+
+  // Initialize the decoder workers on the first frame.
+  if (ctx->frame_workers == NULL) {
+    const vpx_codec_err_t res = init_decoder(ctx);
+    if (res != VPX_CODEC_OK)
+      return res;
+  }
+
+  res = vp10_parse_superframe_index(data, data_sz, frame_sizes, &frame_count,
+                                   ctx->decrypt_cb, ctx->decrypt_state);
+  if (res != VPX_CODEC_OK)
+    return res;
+
+  if (ctx->frame_parallel_decode) {
+    // Decode in frame parallel mode. When decoding in this mode, the frame
+    // passed to the decoder must be either a normal frame or a superframe with
+    // superframe index so the decoder could get each frame's start position
+    // in the superframe.
+    if (frame_count > 0) {
+      int i;
+
+      for (i = 0; i < frame_count; ++i) {
+        const uint8_t *data_start_copy = data_start;
+        const uint32_t frame_size = frame_sizes[i];
+        if (data_start < data
+            || frame_size > (uint32_t) (data_end - data_start)) {
+          set_error_detail(ctx, "Invalid frame size in index");
+          return VPX_CODEC_CORRUPT_FRAME;
+        }
+
+        if (ctx->available_threads == 0) {
+          // No more threads for decoding. Wait until the next output worker
+          // finishes decoding. Then copy the decoded frame into cache.
+          if (ctx->num_cache_frames < FRAME_CACHE_SIZE) {
+            wait_worker_and_cache_frame(ctx);
+          } else {
+            // TODO(hkuang): Add unit test to test this path.
+            set_error_detail(ctx, "Frame output cache is full.");
+            return VPX_CODEC_ERROR;
+          }
+        }
+
+        res = decode_one(ctx, &data_start_copy, frame_size, user_priv,
+                         deadline);
+        if (res != VPX_CODEC_OK)
+          return res;
+        data_start += frame_size;
+      }
+    } else {
+      if (ctx->available_threads == 0) {
+        // No more threads for decoding. Wait until the next output worker
+        // finishes decoding. Then copy the decoded frame into cache.
+        if (ctx->num_cache_frames < FRAME_CACHE_SIZE) {
+          wait_worker_and_cache_frame(ctx);
+        } else {
+          // TODO(hkuang): Add unit test to test this path.
+          set_error_detail(ctx, "Frame output cache is full.");
+          return VPX_CODEC_ERROR;
+        }
+      }
+
+      res = decode_one(ctx, &data, data_sz, user_priv, deadline);
+      if (res != VPX_CODEC_OK)
+        return res;
+    }
+  } else {
+    // Decode in serial mode.
+    if (frame_count > 0) {
+      int i;
+
+      for (i = 0; i < frame_count; ++i) {
+        const uint8_t *data_start_copy = data_start;
+        const uint32_t frame_size = frame_sizes[i];
+        vpx_codec_err_t res;
+        if (data_start < data
+            || frame_size > (uint32_t) (data_end - data_start)) {
+          set_error_detail(ctx, "Invalid frame size in index");
+          return VPX_CODEC_CORRUPT_FRAME;
+        }
+
+        res = decode_one(ctx, &data_start_copy, frame_size, user_priv,
+                         deadline);
+        if (res != VPX_CODEC_OK)
+          return res;
+
+        data_start += frame_size;
+      }
+    } else {
+      while (data_start < data_end) {
+        const uint32_t frame_size = (uint32_t) (data_end - data_start);
+        const vpx_codec_err_t res = decode_one(ctx, &data_start, frame_size,
+                                               user_priv, deadline);
+        if (res != VPX_CODEC_OK)
+          return res;
+
+        // Account for suboptimal termination by the encoder.
+        while (data_start < data_end) {
+          const uint8_t marker = read_marker(ctx->decrypt_cb,
+                                             ctx->decrypt_state, data_start);
+          if (marker)
+            break;
+          ++data_start;
+        }
+      }
+    }
+  }
+
+  return res;
+}
+
+static void release_last_output_frame(vpx_codec_alg_priv_t *ctx) {
+  RefCntBuffer *const frame_bufs = ctx->buffer_pool->frame_bufs;
+  // Decrease reference count of last output frame in frame parallel mode.
+  if (ctx->frame_parallel_decode && ctx->last_show_frame >= 0) {
+    BufferPool *const pool = ctx->buffer_pool;
+    lock_buffer_pool(pool);
+    decrease_ref_count(ctx->last_show_frame, frame_bufs, pool);
+    unlock_buffer_pool(pool);
+  }
+}
+
+static vpx_image_t *decoder_get_frame(vpx_codec_alg_priv_t *ctx,
+                                      vpx_codec_iter_t *iter) {
+  vpx_image_t *img = NULL;
+
+  // Only return frame when all the cpu are busy or
+  // application fluhsed the decoder in frame parallel decode.
+  if (ctx->frame_parallel_decode && ctx->available_threads > 0 &&
+      !ctx->flushed) {
+    return NULL;
+  }
+
+  // Output the frames in the cache first.
+  if (ctx->num_cache_frames > 0) {
+    release_last_output_frame(ctx);
+    ctx->last_show_frame  = ctx->frame_cache[ctx->frame_cache_read].fb_idx;
+    if (ctx->need_resync)
+      return NULL;
+    img = &ctx->frame_cache[ctx->frame_cache_read].img;
+    ctx->frame_cache_read = (ctx->frame_cache_read + 1) % FRAME_CACHE_SIZE;
+    --ctx->num_cache_frames;
+    return img;
+  }
+
+  // iter acts as a flip flop, so an image is only returned on the first
+  // call to get_frame.
+  if (*iter == NULL && ctx->frame_workers != NULL) {
+    do {
+      YV12_BUFFER_CONFIG sd;
+      vp10_ppflags_t flags = {0, 0, 0};
+      const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
+      VPxWorker *const worker =
+          &ctx->frame_workers[ctx->next_output_worker_id];
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      ctx->next_output_worker_id =
+          (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
+      if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
+        set_ppflags(ctx, &flags);
+      // Wait for the frame from worker thread.
+      if (winterface->sync(worker)) {
+        // Check if worker has received any frames.
+        if (frame_worker_data->received_frame == 1) {
+          ++ctx->available_threads;
+          frame_worker_data->received_frame = 0;
+          check_resync(ctx, frame_worker_data->pbi);
+        }
+        if (vp10_get_raw_frame(frame_worker_data->pbi, &sd, &flags) == 0) {
+          VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+          RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
+          release_last_output_frame(ctx);
+          ctx->last_show_frame = frame_worker_data->pbi->common.new_fb_idx;
+          if (ctx->need_resync)
+            return NULL;
+          yuvconfig2image(&ctx->img, &sd, frame_worker_data->user_priv);
+          ctx->img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
+          img = &ctx->img;
+          return img;
+        }
+      } else {
+        // Decoding failed. Release the worker thread.
+        frame_worker_data->received_frame = 0;
+        ++ctx->available_threads;
+        ctx->need_resync = 1;
+        if (ctx->flushed != 1)
+          return NULL;
+      }
+    } while (ctx->next_output_worker_id != ctx->next_submit_worker_id);
+  }
+  return NULL;
+}
+
+static vpx_codec_err_t decoder_set_fb_fn(
+    vpx_codec_alg_priv_t *ctx,
+    vpx_get_frame_buffer_cb_fn_t cb_get,
+    vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
+  if (cb_get == NULL || cb_release == NULL) {
+    return VPX_CODEC_INVALID_PARAM;
+  } else if (ctx->frame_workers == NULL) {
+    // If the decoder has already been initialized, do not accept changes to
+    // the frame buffer functions.
+    ctx->get_ext_fb_cb = cb_get;
+    ctx->release_ext_fb_cb = cb_release;
+    ctx->ext_priv = cb_priv;
+    return VPX_CODEC_OK;
+  }
+
+  return VPX_CODEC_ERROR;
+}
+
+static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  vpx_ref_frame_t *const data = va_arg(args, vpx_ref_frame_t *);
+
+  // Only support this function in serial decode.
+  if (ctx->frame_parallel_decode) {
+    set_error_detail(ctx, "Not supported in frame parallel decode");
+    return VPX_CODEC_INCAPABLE;
+  }
+
+  if (data) {
+    vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data;
+    YV12_BUFFER_CONFIG sd;
+    VPxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    image2yuvconfig(&frame->img, &sd);
+    return vp10_set_reference_dec(&frame_worker_data->pbi->common,
+                                 (VP9_REFFRAME)frame->frame_type, &sd);
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
+
+  // Only support this function in serial decode.
+  if (ctx->frame_parallel_decode) {
+    set_error_detail(ctx, "Not supported in frame parallel decode");
+    return VPX_CODEC_INCAPABLE;
+  }
+
+  if (data) {
+    vpx_ref_frame_t *frame = (vpx_ref_frame_t *) data;
+    YV12_BUFFER_CONFIG sd;
+    VPxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    image2yuvconfig(&frame->img, &sd);
+    return vp10_copy_reference_dec(frame_worker_data->pbi,
+                                  (VP9_REFFRAME)frame->frame_type, &sd);
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);
+
+  // Only support this function in serial decode.
+  if (ctx->frame_parallel_decode) {
+    set_error_detail(ctx, "Not supported in frame parallel decode");
+    return VPX_CODEC_INCAPABLE;
+  }
+
+  if (data) {
+    YV12_BUFFER_CONFIG* fb;
+    VPxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    fb = get_ref_frame(&frame_worker_data->pbi->common, data->idx);
+    if (fb == NULL) return VPX_CODEC_ERROR;
+    yuvconfig2image(&data->img, fb, NULL);
+    return VPX_CODEC_OK;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+}
+
+static vpx_codec_err_t ctrl_set_postproc(vpx_codec_alg_priv_t *ctx,
+                                         va_list args) {
+#if CONFIG_VP9_POSTPROC
+  vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
+
+  if (data) {
+    ctx->postproc_cfg_set = 1;
+    ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
+    return VPX_CODEC_OK;
+  } else {
+    return VPX_CODEC_INVALID_PARAM;
+  }
+#else
+  (void)ctx;
+  (void)args;
+  return VPX_CODEC_INCAPABLE;
+#endif
+}
+
+static vpx_codec_err_t ctrl_set_dbg_options(vpx_codec_alg_priv_t *ctx,
+                                            va_list args) {
+  (void)ctx;
+  (void)args;
+  return VPX_CODEC_INCAPABLE;
+}
+
+static vpx_codec_err_t ctrl_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
+                                                 va_list args) {
+  int *const update_info = va_arg(args, int *);
+
+  // Only support this function in serial decode.
+  if (ctx->frame_parallel_decode) {
+    set_error_detail(ctx, "Not supported in frame parallel decode");
+    return VPX_CODEC_INCAPABLE;
+  }
+
+  if (update_info) {
+    if (ctx->frame_workers) {
+      VPxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      *update_info = frame_worker_data->pbi->refresh_frame_flags;
+      return VPX_CODEC_OK;
+    } else {
+      return VPX_CODEC_ERROR;
+    }
+  }
+
+  return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
+                                                va_list args) {
+  int *corrupted = va_arg(args, int *);
+
+  if (corrupted) {
+    if (ctx->frame_workers) {
+      VPxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      RefCntBuffer *const frame_bufs =
+          frame_worker_data->pbi->common.buffer_pool->frame_bufs;
+      if (frame_worker_data->pbi->common.frame_to_show == NULL)
+        return VPX_CODEC_ERROR;
+      if (ctx->last_show_frame >= 0)
+        *corrupted = frame_bufs[ctx->last_show_frame].buf.corrupted;
+      return VPX_CODEC_OK;
+    } else {
+      return VPX_CODEC_ERROR;
+    }
+  }
+
+  return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_frame_size(vpx_codec_alg_priv_t *ctx,
+                                           va_list args) {
+  int *const frame_size = va_arg(args, int *);
+
+  // Only support this function in serial decode.
+  if (ctx->frame_parallel_decode) {
+    set_error_detail(ctx, "Not supported in frame parallel decode");
+    return VPX_CODEC_INCAPABLE;
+  }
+
+  if (frame_size) {
+    if (ctx->frame_workers) {
+      VPxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+      frame_size[0] = cm->width;
+      frame_size[1] = cm->height;
+      return VPX_CODEC_OK;
+    } else {
+      return VPX_CODEC_ERROR;
+    }
+  }
+
+  return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_display_size(vpx_codec_alg_priv_t *ctx,
+                                             va_list args) {
+  int *const display_size = va_arg(args, int *);
+
+  // Only support this function in serial decode.
+  if (ctx->frame_parallel_decode) {
+    set_error_detail(ctx, "Not supported in frame parallel decode");
+    return VPX_CODEC_INCAPABLE;
+  }
+
+  if (display_size) {
+    if (ctx->frame_workers) {
+      VPxWorker *const worker = ctx->frame_workers;
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+      display_size[0] = cm->display_width;
+      display_size[1] = cm->display_height;
+      return VPX_CODEC_OK;
+    } else {
+      return VPX_CODEC_ERROR;
+    }
+  }
+
+  return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_get_bit_depth(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  unsigned int *const bit_depth = va_arg(args, unsigned int *);
+  VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
+
+  if (bit_depth) {
+    if (worker) {
+      FrameWorkerData *const frame_worker_data =
+          (FrameWorkerData *)worker->data1;
+      const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
+      *bit_depth = cm->bit_depth;
+      return VPX_CODEC_OK;
+    } else {
+      return VPX_CODEC_ERROR;
+    }
+  }
+
+  return VPX_CODEC_INVALID_PARAM;
+}
+
+static vpx_codec_err_t ctrl_set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
+                                                  va_list args) {
+  ctx->invert_tile_order = va_arg(args, int);
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_decryptor(vpx_codec_alg_priv_t *ctx,
+                                          va_list args) {
+  vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
+  ctx->decrypt_cb = init ? init->decrypt_cb : NULL;
+  ctx->decrypt_state = init ? init->decrypt_state : NULL;
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_byte_alignment(vpx_codec_alg_priv_t *ctx,
+                                               va_list args) {
+  const int legacy_byte_alignment = 0;
+  const int min_byte_alignment = 32;
+  const int max_byte_alignment = 1024;
+  const int byte_alignment = va_arg(args, int);
+
+  if (byte_alignment != legacy_byte_alignment &&
+      (byte_alignment < min_byte_alignment ||
+       byte_alignment > max_byte_alignment ||
+       (byte_alignment & (byte_alignment - 1)) != 0))
+    return VPX_CODEC_INVALID_PARAM;
+
+  ctx->byte_alignment = byte_alignment;
+  if (ctx->frame_workers) {
+    VPxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data =
+        (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi->common.byte_alignment = byte_alignment;
+  }
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_err_t ctrl_set_skip_loop_filter(vpx_codec_alg_priv_t *ctx,
+                                                 va_list args) {
+  ctx->skip_loop_filter = va_arg(args, int);
+
+  if (ctx->frame_workers) {
+    VPxWorker *const worker = ctx->frame_workers;
+    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
+    frame_worker_data->pbi->common.skip_loop_filter = ctx->skip_loop_filter;
+  }
+
+  return VPX_CODEC_OK;
+}
+
+static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
+  {VP8_COPY_REFERENCE,            ctrl_copy_reference},
+
+  // Setters
+  {VP8_SET_REFERENCE,             ctrl_set_reference},
+  {VP8_SET_POSTPROC,              ctrl_set_postproc},
+  {VP8_SET_DBG_COLOR_REF_FRAME,   ctrl_set_dbg_options},
+  {VP8_SET_DBG_COLOR_MB_MODES,    ctrl_set_dbg_options},
+  {VP8_SET_DBG_COLOR_B_MODES,     ctrl_set_dbg_options},
+  {VP8_SET_DBG_DISPLAY_MV,        ctrl_set_dbg_options},
+  {VP9_INVERT_TILE_DECODE_ORDER,  ctrl_set_invert_tile_order},
+  {VPXD_SET_DECRYPTOR,            ctrl_set_decryptor},
+  {VP9_SET_BYTE_ALIGNMENT,        ctrl_set_byte_alignment},
+  {VP9_SET_SKIP_LOOP_FILTER,      ctrl_set_skip_loop_filter},
+
+  // Getters
+  {VP8D_GET_LAST_REF_UPDATES,     ctrl_get_last_ref_updates},
+  {VP8D_GET_FRAME_CORRUPTED,      ctrl_get_frame_corrupted},
+  {VP9_GET_REFERENCE,             ctrl_get_reference},
+  {VP9D_GET_DISPLAY_SIZE,         ctrl_get_display_size},
+  {VP9D_GET_BIT_DEPTH,            ctrl_get_bit_depth},
+  {VP9D_GET_FRAME_SIZE,           ctrl_get_frame_size},
+
+  { -1, NULL},
+};
+
+#ifndef VERSION_STRING
+#define VERSION_STRING
+#endif
+CODEC_INTERFACE(vpx_codec_vp10_dx) = {
+  "WebM Project VP10 Decoder" VERSION_STRING,
+  VPX_CODEC_INTERNAL_ABI_VERSION,
+  VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC |
+      VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER,  // vpx_codec_caps_t
+  decoder_init,       // vpx_codec_init_fn_t
+  decoder_destroy,    // vpx_codec_destroy_fn_t
+  decoder_ctrl_maps,  // vpx_codec_ctrl_fn_map_t
+  { // NOLINT
+    decoder_peek_si,    // vpx_codec_peek_si_fn_t
+    decoder_get_si,     // vpx_codec_get_si_fn_t
+    decoder_decode,     // vpx_codec_decode_fn_t
+    decoder_get_frame,  // vpx_codec_frame_get_fn_t
+    decoder_set_fb_fn,  // vpx_codec_set_fb_fn_t
+  },
+  { // NOLINT
+    0,
+    NULL,  // vpx_codec_enc_cfg_map_t
+    NULL,  // vpx_codec_encode_fn_t
+    NULL,  // vpx_codec_get_cx_data_fn_t
+    NULL,  // vpx_codec_enc_config_set_fn_t
+    NULL,  // vpx_codec_get_global_headers_fn_t
+    NULL,  // vpx_codec_get_preview_frame_fn_t
+    NULL   // vpx_codec_enc_mr_get_mem_loc_fn_t
+  }
+};
--- /dev/null
+++ b/vp10/vp10_iface_common.h
@@ -1,0 +1,130 @@
+/*
+ *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef VP9_VP9_IFACE_COMMON_H_
+#define VP9_VP9_IFACE_COMMON_H_
+
+#include "vpx_ports/mem.h"
+
+static void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG  *yv12,
+                            void *user_priv) {
+  /** vpx_img_wrap() doesn't allow specifying independent strides for
+    * the Y, U, and V planes, nor other alignment adjustments that
+    * might be representable by a YV12_BUFFER_CONFIG, so we just
+    * initialize all the fields.*/
+  int bps;
+  if (!yv12->subsampling_y) {
+    if (!yv12->subsampling_x) {
+      img->fmt = VPX_IMG_FMT_I444;
+      bps = 24;
+    } else {
+      img->fmt = VPX_IMG_FMT_I422;
+      bps = 16;
+    }
+  } else {
+    if (!yv12->subsampling_x) {
+      img->fmt = VPX_IMG_FMT_I440;
+      bps = 16;
+    } else {
+      img->fmt = VPX_IMG_FMT_I420;
+      bps = 12;
+    }
+  }
+  img->cs = yv12->color_space;
+  img->bit_depth = 8;
+  img->w = yv12->y_stride;
+  img->h = ALIGN_POWER_OF_TWO(yv12->y_height + 2 * VP9_ENC_BORDER_IN_PIXELS, 3);
+  img->d_w = yv12->y_crop_width;
+  img->d_h = yv12->y_crop_height;
+  img->x_chroma_shift = yv12->subsampling_x;
+  img->y_chroma_shift = yv12->subsampling_y;
+  img->planes[VPX_PLANE_Y] = yv12->y_buffer;
+  img->planes[VPX_PLANE_U] = yv12->u_buffer;
+  img->planes[VPX_PLANE_V] = yv12->v_buffer;
+  img->planes[VPX_PLANE_ALPHA] = NULL;
+  img->stride[VPX_PLANE_Y] = yv12->y_stride;
+  img->stride[VPX_PLANE_U] = yv12->uv_stride;
+  img->stride[VPX_PLANE_V] = yv12->uv_stride;
+  img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (yv12->flags & YV12_FLAG_HIGHBITDEPTH) {
+    // vpx_image_t uses byte strides and a pointer to the first byte
+    // of the image.
+    img->fmt |= VPX_IMG_FMT_HIGHBITDEPTH;
+    img->bit_depth = yv12->bit_depth;
+    img->planes[VPX_PLANE_Y] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->y_buffer);
+    img->planes[VPX_PLANE_U] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->u_buffer);
+    img->planes[VPX_PLANE_V] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->v_buffer);
+    img->planes[VPX_PLANE_ALPHA] = NULL;
+    img->stride[VPX_PLANE_Y] = 2 * yv12->y_stride;
+    img->stride[VPX_PLANE_U] = 2 * yv12->uv_stride;
+    img->stride[VPX_PLANE_V] = 2 * yv12->uv_stride;
+    img->stride[VPX_PLANE_ALPHA] = 2 * yv12->y_stride;
+  }
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+  img->bps = bps;
+  img->user_priv = user_priv;
+  img->img_data = yv12->buffer_alloc;
+  img->img_data_owner = 0;
+  img->self_allocd = 0;
+}
+
+static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
+                                       YV12_BUFFER_CONFIG *yv12) {
+  yv12->y_buffer = img->planes[VPX_PLANE_Y];
+  yv12->u_buffer = img->planes[VPX_PLANE_U];
+  yv12->v_buffer = img->planes[VPX_PLANE_V];
+
+  yv12->y_crop_width  = img->d_w;
+  yv12->y_crop_height = img->d_h;
+  yv12->y_width  = img->d_w;
+  yv12->y_height = img->d_h;
+
+  yv12->uv_width = img->x_chroma_shift == 1 ? (1 + yv12->y_width) / 2
+                                            : yv12->y_width;
+  yv12->uv_height = img->y_chroma_shift == 1 ? (1 + yv12->y_height) / 2
+                                             : yv12->y_height;
+  yv12->uv_crop_width = yv12->uv_width;
+  yv12->uv_crop_height = yv12->uv_height;
+
+  yv12->y_stride = img->stride[VPX_PLANE_Y];
+  yv12->uv_stride = img->stride[VPX_PLANE_U];
+  yv12->color_space = img->cs;
+
+#if CONFIG_VP9_HIGHBITDEPTH
+  if (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
+    // In vpx_image_t
+    //     planes point to uint8 address of start of data
+    //     stride counts uint8s to reach next row
+    // In YV12_BUFFER_CONFIG
+    //     y_buffer, u_buffer, v_buffer point to uint16 address of data
+    //     stride and border counts in uint16s
+    // This means that all the address calculations in the main body of code
+    // should work correctly.
+    // However, before we do any pixel operations we need to cast the address
+    // to a uint16 ponter and double its value.
+    yv12->y_buffer = CONVERT_TO_BYTEPTR(yv12->y_buffer);
+    yv12->u_buffer = CONVERT_TO_BYTEPTR(yv12->u_buffer);
+    yv12->v_buffer = CONVERT_TO_BYTEPTR(yv12->v_buffer);
+    yv12->y_stride >>= 1;
+    yv12->uv_stride >>= 1;
+    yv12->flags = YV12_FLAG_HIGHBITDEPTH;
+  } else {
+    yv12->flags = 0;
+  }
+  yv12->border  = (yv12->y_stride - img->w) / 2;
+#else
+  yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
+#endif  // CONFIG_VP9_HIGHBITDEPTH
+  yv12->subsampling_x = img->x_chroma_shift;
+  yv12->subsampling_y = img->y_chroma_shift;
+  return VPX_CODEC_OK;
+}
+
+#endif  // VP9_VP9_IFACE_COMMON_H_
--- a/vp10/vp10cx.mk
+++ b/vp10/vp10cx.mk
@@ -15,7 +15,7 @@
 VP10_CX_SRCS_REMOVE-yes += $(VP10_COMMON_SRCS_REMOVE-yes)
 VP10_CX_SRCS_REMOVE-no  += $(VP10_COMMON_SRCS_REMOVE-no)
 
-VP10_CX_SRCS-yes += vp9_cx_iface.c
+VP10_CX_SRCS-yes += vp10_cx_iface.c
 
 VP10_CX_SRCS-yes += encoder/vp9_avg.c
 VP10_CX_SRCS-yes += encoder/vp9_bitstream.c
--- a/vp10/vp10dx.mk
+++ b/vp10/vp10dx.mk
@@ -15,7 +15,7 @@
 VP10_DX_SRCS_REMOVE-yes += $(VP10_COMMON_SRCS_REMOVE-yes)
 VP10_DX_SRCS_REMOVE-no  += $(VP10_COMMON_SRCS_REMOVE-no)
 
-VP10_DX_SRCS-yes += vp9_dx_iface.c
+VP10_DX_SRCS-yes += vp10_dx_iface.c
 
 VP10_DX_SRCS-yes += decoder/vp9_decodemv.c
 VP10_DX_SRCS-yes += decoder/vp9_decodeframe.c
--- a/vp10/vp9_cx_iface.c
+++ /dev/null
@@ -1,1583 +1,0 @@
-/*
- *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "./vpx_config.h"
-#include "vpx/vpx_encoder.h"
-#include "vpx_ports/vpx_once.h"
-#include "vpx/internal/vpx_codec_internal.h"
-#include "./vpx_version.h"
-#include "vp10/encoder/vp9_encoder.h"
-#include "vpx/vp8cx.h"
-#include "vp10/encoder/vp9_firstpass.h"
-#include "vp10/vp9_iface_common.h"
-
-struct vp10_extracfg {
-  int                         cpu_used;  // available cpu percentage in 1/16
-  unsigned int                enable_auto_alt_ref;
-  unsigned int                noise_sensitivity;
-  unsigned int                sharpness;
-  unsigned int                static_thresh;
-  unsigned int                tile_columns;
-  unsigned int                tile_rows;
-  unsigned int                arnr_max_frames;
-  unsigned int                arnr_strength;
-  unsigned int                min_gf_interval;
-  unsigned int                max_gf_interval;
-  vp8e_tuning                 tuning;
-  unsigned int                cq_level;  // constrained quality level
-  unsigned int                rc_max_intra_bitrate_pct;
-  unsigned int                rc_max_inter_bitrate_pct;
-  unsigned int                gf_cbr_boost_pct;
-  unsigned int                lossless;
-  unsigned int                frame_parallel_decoding_mode;
-  AQ_MODE                     aq_mode;
-  unsigned int                frame_periodic_boost;
-  vpx_bit_depth_t             bit_depth;
-  vp9e_tune_content           content;
-  vpx_color_space_t           color_space;
-};
-
-static struct vp10_extracfg default_extra_cfg = {
-  0,                          // cpu_used
-  1,                          // enable_auto_alt_ref
-  0,                          // noise_sensitivity
-  0,                          // sharpness
-  0,                          // static_thresh
-  6,                          // tile_columns
-  0,                          // tile_rows
-  7,                          // arnr_max_frames
-  5,                          // arnr_strength
-  0,                          // min_gf_interval; 0 -> default decision
-  0,                          // max_gf_interval; 0 -> default decision
-  VP8_TUNE_PSNR,              // tuning
-  10,                         // cq_level
-  0,                          // rc_max_intra_bitrate_pct
-  0,                          // rc_max_inter_bitrate_pct
-  0,                          // gf_cbr_boost_pct
-  0,                          // lossless
-  1,                          // frame_parallel_decoding_mode
-  NO_AQ,                      // aq_mode
-  0,                          // frame_periodic_delta_q
-  VPX_BITS_8,                 // Bit depth
-  VP9E_CONTENT_DEFAULT,       // content
-  VPX_CS_UNKNOWN,             // color space
-};
-
-struct vpx_codec_alg_priv {
-  vpx_codec_priv_t        base;
-  vpx_codec_enc_cfg_t     cfg;
-  struct vp10_extracfg     extra_cfg;
-  VP9EncoderConfig        oxcf;
-  VP9_COMP               *cpi;
-  unsigned char          *cx_data;
-  size_t                  cx_data_sz;
-  unsigned char          *pending_cx_data;
-  size_t                  pending_cx_data_sz;
-  int                     pending_frame_count;
-  size_t                  pending_frame_sizes[8];
-  size_t                  pending_frame_magnitude;
-  vpx_image_t             preview_img;
-  vpx_enc_frame_flags_t   next_frame_flags;
-  vp8_postproc_cfg_t      preview_ppcfg;
-  vpx_codec_pkt_list_decl(256) pkt_list;
-  unsigned int                 fixed_kf_cntr;
-  vpx_codec_priv_output_cx_pkt_cb_pair_t output_cx_pkt_cb;
-  // BufferPool that holds all reference frames.
-  BufferPool              *buffer_pool;
-};
-
-static VP9_REFFRAME ref_frame_to_vp10_reframe(vpx_ref_frame_type_t frame) {
-  switch (frame) {
-    case VP8_LAST_FRAME:
-      return VP9_LAST_FLAG;
-    case VP8_GOLD_FRAME:
-      return VP9_GOLD_FLAG;
-    case VP8_ALTR_FRAME:
-      return VP9_ALT_FLAG;
-  }
-  assert(0 && "Invalid Reference Frame");
-  return VP9_LAST_FLAG;
-}
-
-static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
-    const struct vpx_internal_error_info *error) {
-  const vpx_codec_err_t res = error->error_code;
-
-  if (res != VPX_CODEC_OK)
-    ctx->base.err_detail = error->has_detail ? error->detail : NULL;
-
-  return res;
-}
-
-
-#undef ERROR
-#define ERROR(str) do {\
-    ctx->base.err_detail = str;\
-    return VPX_CODEC_INVALID_PARAM;\
-  } while (0)
-
-#define RANGE_CHECK(p, memb, lo, hi) do {\
-    if (!(((p)->memb == lo || (p)->memb > (lo)) && (p)->memb <= hi)) \
-      ERROR(#memb " out of range ["#lo".."#hi"]");\
-  } while (0)
-
-#define RANGE_CHECK_HI(p, memb, hi) do {\
-    if (!((p)->memb <= (hi))) \
-      ERROR(#memb " out of range [.."#hi"]");\
-  } while (0)
-
-#define RANGE_CHECK_LO(p, memb, lo) do {\
-    if (!((p)->memb >= (lo))) \
-      ERROR(#memb " out of range ["#lo"..]");\
-  } while (0)
-
-#define RANGE_CHECK_BOOL(p, memb) do {\
-    if (!!((p)->memb) != (p)->memb) ERROR(#memb " expected boolean");\
-  } while (0)
-
-static vpx_codec_err_t validate_config(vpx_codec_alg_priv_t *ctx,
-                                       const vpx_codec_enc_cfg_t *cfg,
-                                       const struct vp10_extracfg *extra_cfg) {
-  RANGE_CHECK(cfg, g_w,                   1, 65535);  // 16 bits available
-  RANGE_CHECK(cfg, g_h,                   1, 65535);  // 16 bits available
-  RANGE_CHECK(cfg, g_timebase.den,        1, 1000000000);
-  RANGE_CHECK(cfg, g_timebase.num,        1, cfg->g_timebase.den);
-  RANGE_CHECK_HI(cfg, g_profile,          3);
-
-  RANGE_CHECK_HI(cfg, rc_max_quantizer,   63);
-  RANGE_CHECK_HI(cfg, rc_min_quantizer,   cfg->rc_max_quantizer);
-  RANGE_CHECK_BOOL(extra_cfg, lossless);
-  RANGE_CHECK(extra_cfg, aq_mode,           0, AQ_MODE_COUNT - 1);
-  RANGE_CHECK(extra_cfg, frame_periodic_boost, 0, 1);
-  RANGE_CHECK_HI(cfg, g_threads,          64);
-  RANGE_CHECK_HI(cfg, g_lag_in_frames,    MAX_LAG_BUFFERS);
-  RANGE_CHECK(cfg, rc_end_usage,          VPX_VBR, VPX_Q);
-  RANGE_CHECK_HI(cfg, rc_undershoot_pct,  100);
-  RANGE_CHECK_HI(cfg, rc_overshoot_pct,   100);
-  RANGE_CHECK_HI(cfg, rc_2pass_vbr_bias_pct, 100);
-  RANGE_CHECK(cfg, kf_mode,               VPX_KF_DISABLED, VPX_KF_AUTO);
-  RANGE_CHECK_BOOL(cfg,                   rc_resize_allowed);
-  RANGE_CHECK_HI(cfg, rc_dropframe_thresh,   100);
-  RANGE_CHECK_HI(cfg, rc_resize_up_thresh,   100);
-  RANGE_CHECK_HI(cfg, rc_resize_down_thresh, 100);
-  RANGE_CHECK(cfg,        g_pass,         VPX_RC_ONE_PASS, VPX_RC_LAST_PASS);
-  RANGE_CHECK(extra_cfg, min_gf_interval, 0, (MAX_LAG_BUFFERS - 1));
-  RANGE_CHECK(extra_cfg, max_gf_interval, 0, (MAX_LAG_BUFFERS - 1));
-  if (extra_cfg->max_gf_interval > 0) {
-    RANGE_CHECK(extra_cfg, max_gf_interval, 2, (MAX_LAG_BUFFERS - 1));
-  }
-  if (extra_cfg->min_gf_interval > 0 && extra_cfg->max_gf_interval > 0) {
-    RANGE_CHECK(extra_cfg, max_gf_interval, extra_cfg->min_gf_interval,
-      (MAX_LAG_BUFFERS - 1));
-  }
-
-  if (cfg->rc_resize_allowed == 1) {
-    RANGE_CHECK(cfg, rc_scaled_width, 0, cfg->g_w);
-    RANGE_CHECK(cfg, rc_scaled_height, 0, cfg->g_h);
-  }
-
-  RANGE_CHECK(cfg, ss_number_layers, 1, VPX_SS_MAX_LAYERS);
-  RANGE_CHECK(cfg, ts_number_layers, 1, VPX_TS_MAX_LAYERS);
-
-  if (cfg->ss_number_layers * cfg->ts_number_layers > VPX_MAX_LAYERS)
-    ERROR("ss_number_layers * ts_number_layers is out of range");
-  if (cfg->ts_number_layers > 1) {
-    unsigned int sl, tl;
-    for (sl = 1; sl < cfg->ss_number_layers; ++sl) {
-      for (tl = 1; tl < cfg->ts_number_layers; ++tl) {
-        const int layer =
-            LAYER_IDS_TO_IDX(sl, tl, cfg->ts_number_layers);
-        if (cfg->layer_target_bitrate[layer] <
-            cfg->layer_target_bitrate[layer - 1])
-        ERROR("ts_target_bitrate entries are not increasing");
-      }
-    }
-
-    RANGE_CHECK(cfg, ts_rate_decimator[cfg->ts_number_layers - 1], 1, 1);
-    for (tl = cfg->ts_number_layers - 2; tl > 0; --tl)
-      if (cfg->ts_rate_decimator[tl - 1] != 2 * cfg->ts_rate_decimator[tl])
-        ERROR("ts_rate_decimator factors are not powers of 2");
-  }
-
-#if CONFIG_SPATIAL_SVC
-
-  if ((cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) &&
-      cfg->g_pass == VPX_RC_LAST_PASS) {
-    unsigned int i, alt_ref_sum = 0;
-    for (i = 0; i < cfg->ss_number_layers; ++i) {
-      if (cfg->ss_enable_auto_alt_ref[i])
-        ++alt_ref_sum;
-    }
-    if (alt_ref_sum > REF_FRAMES - cfg->ss_number_layers)
-      ERROR("Not enough ref buffers for svc alt ref frames");
-    if (cfg->ss_number_layers * cfg->ts_number_layers > 3 &&
-        cfg->g_error_resilient == 0)
-    ERROR("Multiple frame context are not supported for more than 3 layers");
-  }
-#endif
-
-  // VP9 does not support a lower bound on the keyframe interval in
-  // automatic keyframe placement mode.
-  if (cfg->kf_mode != VPX_KF_DISABLED &&
-      cfg->kf_min_dist != cfg->kf_max_dist &&
-      cfg->kf_min_dist > 0)
-    ERROR("kf_min_dist not supported in auto mode, use 0 "
-          "or kf_max_dist instead.");
-
-  RANGE_CHECK(extra_cfg, enable_auto_alt_ref, 0, 2);
-  RANGE_CHECK(extra_cfg, cpu_used, -8, 8);
-  RANGE_CHECK_HI(extra_cfg, noise_sensitivity, 6);
-  RANGE_CHECK(extra_cfg, tile_columns, 0, 6);
-  RANGE_CHECK(extra_cfg, tile_rows, 0, 2);
-  RANGE_CHECK_HI(extra_cfg, sharpness, 7);
-  RANGE_CHECK(extra_cfg, arnr_max_frames, 0, 15);
-  RANGE_CHECK_HI(extra_cfg, arnr_strength, 6);
-  RANGE_CHECK(extra_cfg, cq_level, 0, 63);
-  RANGE_CHECK(cfg, g_bit_depth, VPX_BITS_8, VPX_BITS_12);
-  RANGE_CHECK(cfg, g_input_bit_depth, 8, 12);
-  RANGE_CHECK(extra_cfg, content,
-              VP9E_CONTENT_DEFAULT, VP9E_CONTENT_INVALID - 1);
-
-  // TODO(yaowu): remove this when ssim tuning is implemented for vp9
-  if (extra_cfg->tuning == VP8_TUNE_SSIM)
-      ERROR("Option --tune=ssim is not currently supported in VP9.");
-
-  if (cfg->g_pass == VPX_RC_LAST_PASS) {
-    const size_t packet_sz = sizeof(FIRSTPASS_STATS);
-    const int n_packets = (int)(cfg->rc_twopass_stats_in.sz / packet_sz);
-    const FIRSTPASS_STATS *stats;
-
-    if (cfg->rc_twopass_stats_in.buf == NULL)
-      ERROR("rc_twopass_stats_in.buf not set.");
-
-    if (cfg->rc_twopass_stats_in.sz % packet_sz)
-      ERROR("rc_twopass_stats_in.sz indicates truncated packet.");
-
-    if (cfg->ss_number_layers > 1 || cfg->ts_number_layers > 1) {
-      int i;
-      unsigned int n_packets_per_layer[VPX_SS_MAX_LAYERS] = {0};
-
-      stats = cfg->rc_twopass_stats_in.buf;
-      for (i = 0; i < n_packets; ++i) {
-        const int layer_id = (int)stats[i].spatial_layer_id;
-        if (layer_id >= 0 && layer_id < (int)cfg->ss_number_layers) {
-          ++n_packets_per_layer[layer_id];
-        }
-      }
-
-      for (i = 0; i < (int)cfg->ss_number_layers; ++i) {
-        unsigned int layer_id;
-        if (n_packets_per_layer[i] < 2) {
-          ERROR("rc_twopass_stats_in requires at least two packets for each "
-                "layer.");
-        }
-
-        stats = (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf +
-                n_packets - cfg->ss_number_layers + i;
-        layer_id = (int)stats->spatial_layer_id;
-
-        if (layer_id >= cfg->ss_number_layers
-            ||(unsigned int)(stats->count + 0.5) !=
-               n_packets_per_layer[layer_id] - 1)
-          ERROR("rc_twopass_stats_in missing EOS stats packet");
-      }
-    } else {
-      if (cfg->rc_twopass_stats_in.sz < 2 * packet_sz)
-        ERROR("rc_twopass_stats_in requires at least two packets.");
-
-      stats =
-          (const FIRSTPASS_STATS *)cfg->rc_twopass_stats_in.buf + n_packets - 1;
-
-      if ((int)(stats->count + 0.5) != n_packets - 1)
-        ERROR("rc_twopass_stats_in missing EOS stats packet");
-    }
-  }
-
-#if !CONFIG_VP9_HIGHBITDEPTH
-  if (cfg->g_profile > (unsigned int)PROFILE_1) {
-    ERROR("Profile > 1 not supported in this build configuration");
-  }
-#endif
-  if (cfg->g_profile <= (unsigned int)PROFILE_1 &&
-      cfg->g_bit_depth > VPX_BITS_8) {
-    ERROR("Codec high bit-depth not supported in profile < 2");
-  }
-  if (cfg->g_profile <= (unsigned int)PROFILE_1 &&
-      cfg->g_input_bit_depth > 8) {
-    ERROR("Source high bit-depth not supported in profile < 2");
-  }
-  if (cfg->g_profile > (unsigned int)PROFILE_1 &&
-      cfg->g_bit_depth == VPX_BITS_8) {
-    ERROR("Codec bit-depth 8 not supported in profile > 1");
-  }
-  RANGE_CHECK(extra_cfg, color_space, VPX_CS_UNKNOWN, VPX_CS_SRGB);
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t validate_img(vpx_codec_alg_priv_t *ctx,
-                                    const vpx_image_t *img) {
-  switch (img->fmt) {
-    case VPX_IMG_FMT_YV12:
-    case VPX_IMG_FMT_I420:
-    case VPX_IMG_FMT_I42016:
-      break;
-    case VPX_IMG_FMT_I422:
-    case VPX_IMG_FMT_I444:
-    case VPX_IMG_FMT_I440:
-      if (ctx->cfg.g_profile != (unsigned int)PROFILE_1) {
-        ERROR("Invalid image format. I422, I444, I440 images are "
-              "not supported in profile.");
-      }
-      break;
-    case VPX_IMG_FMT_I42216:
-    case VPX_IMG_FMT_I44416:
-    case VPX_IMG_FMT_I44016:
-      if (ctx->cfg.g_profile != (unsigned int)PROFILE_1 &&
-          ctx->cfg.g_profile != (unsigned int)PROFILE_3) {
-        ERROR("Invalid image format. 16-bit I422, I444, I440 images are "
-              "not supported in profile.");
-      }
-      break;
-    default:
-      ERROR("Invalid image format. Only YV12, I420, I422, I444 images are "
-            "supported.");
-      break;
-  }
-
-  if (img->d_w != ctx->cfg.g_w || img->d_h != ctx->cfg.g_h)
-    ERROR("Image size must match encoder init configuration size");
-
-  return VPX_CODEC_OK;
-}
-
-static int get_image_bps(const vpx_image_t *img) {
-  switch (img->fmt) {
-    case VPX_IMG_FMT_YV12:
-    case VPX_IMG_FMT_I420: return 12;
-    case VPX_IMG_FMT_I422: return 16;
-    case VPX_IMG_FMT_I444: return 24;
-    case VPX_IMG_FMT_I440: return 16;
-    case VPX_IMG_FMT_I42016: return 24;
-    case VPX_IMG_FMT_I42216: return 32;
-    case VPX_IMG_FMT_I44416: return 48;
-    case VPX_IMG_FMT_I44016: return 32;
-    default: assert(0 && "Invalid image format"); break;
-  }
-  return 0;
-}
-
-static vpx_codec_err_t set_encoder_config(
-  VP9EncoderConfig *oxcf,
-  const vpx_codec_enc_cfg_t *cfg,
-  const struct vp10_extracfg *extra_cfg) {
-  const int is_vbr = cfg->rc_end_usage == VPX_VBR;
-  int sl, tl;
-  oxcf->profile = cfg->g_profile;
-  oxcf->max_threads = (int)cfg->g_threads;
-  oxcf->width   = cfg->g_w;
-  oxcf->height  = cfg->g_h;
-  oxcf->bit_depth = cfg->g_bit_depth;
-  oxcf->input_bit_depth = cfg->g_input_bit_depth;
-  // guess a frame rate if out of whack, use 30
-  oxcf->init_framerate = (double)cfg->g_timebase.den / cfg->g_timebase.num;
-  if (oxcf->init_framerate > 180)
-    oxcf->init_framerate = 30;
-
-  oxcf->mode = GOOD;
-
-  switch (cfg->g_pass) {
-    case VPX_RC_ONE_PASS:
-      oxcf->pass = 0;
-      break;
-    case VPX_RC_FIRST_PASS:
-      oxcf->pass = 1;
-      break;
-    case VPX_RC_LAST_PASS:
-      oxcf->pass = 2;
-      break;
-  }
-
-  oxcf->lag_in_frames = cfg->g_pass == VPX_RC_FIRST_PASS ? 0
-                                                         : cfg->g_lag_in_frames;
-  oxcf->rc_mode = cfg->rc_end_usage;
-
-  // Convert target bandwidth from Kbit/s to Bit/s
-  oxcf->target_bandwidth = 1000 * cfg->rc_target_bitrate;
-  oxcf->rc_max_intra_bitrate_pct = extra_cfg->rc_max_intra_bitrate_pct;
-  oxcf->rc_max_inter_bitrate_pct = extra_cfg->rc_max_inter_bitrate_pct;
-  oxcf->gf_cbr_boost_pct = extra_cfg->gf_cbr_boost_pct;
-
-  oxcf->best_allowed_q =
-      extra_cfg->lossless ? 0 : vp10_quantizer_to_qindex(cfg->rc_min_quantizer);
-  oxcf->worst_allowed_q =
-      extra_cfg->lossless ? 0 : vp10_quantizer_to_qindex(cfg->rc_max_quantizer);
-  oxcf->cq_level        = vp10_quantizer_to_qindex(extra_cfg->cq_level);
-  oxcf->fixed_q = -1;
-
-  oxcf->under_shoot_pct         = cfg->rc_undershoot_pct;
-  oxcf->over_shoot_pct          = cfg->rc_overshoot_pct;
-
-  oxcf->scaled_frame_width  = cfg->rc_scaled_width;
-  oxcf->scaled_frame_height = cfg->rc_scaled_height;
-  if (cfg->rc_resize_allowed == 1) {
-    oxcf->resize_mode =
-        (oxcf->scaled_frame_width == 0 || oxcf->scaled_frame_height == 0) ?
-            RESIZE_DYNAMIC : RESIZE_FIXED;
-  } else {
-    oxcf->resize_mode = RESIZE_NONE;
-  }
-
-  oxcf->maximum_buffer_size_ms   = is_vbr ? 240000 : cfg->rc_buf_sz;
-  oxcf->starting_buffer_level_ms = is_vbr ? 60000 : cfg->rc_buf_initial_sz;
-  oxcf->optimal_buffer_level_ms  = is_vbr ? 60000 : cfg->rc_buf_optimal_sz;
-
-  oxcf->drop_frames_water_mark   = cfg->rc_dropframe_thresh;
-
-  oxcf->two_pass_vbrbias         = cfg->rc_2pass_vbr_bias_pct;
-  oxcf->two_pass_vbrmin_section  = cfg->rc_2pass_vbr_minsection_pct;
-  oxcf->two_pass_vbrmax_section  = cfg->rc_2pass_vbr_maxsection_pct;
-
-  oxcf->auto_key               = cfg->kf_mode == VPX_KF_AUTO &&
-                                 cfg->kf_min_dist != cfg->kf_max_dist;
-
-  oxcf->key_freq               = cfg->kf_max_dist;
-
-  oxcf->speed                  =  abs(extra_cfg->cpu_used);
-  oxcf->encode_breakout        =  extra_cfg->static_thresh;
-  oxcf->enable_auto_arf        =  extra_cfg->enable_auto_alt_ref;
-  oxcf->noise_sensitivity      =  extra_cfg->noise_sensitivity;
-  oxcf->sharpness              =  extra_cfg->sharpness;
-
-  oxcf->two_pass_stats_in      =  cfg->rc_twopass_stats_in;
-
-#if CONFIG_FP_MB_STATS
-  oxcf->firstpass_mb_stats_in  = cfg->rc_firstpass_mb_stats_in;
-#endif
-
-  oxcf->color_space = extra_cfg->color_space;
-  oxcf->arnr_max_frames = extra_cfg->arnr_max_frames;
-  oxcf->arnr_strength   = extra_cfg->arnr_strength;
-  oxcf->min_gf_interval = extra_cfg->min_gf_interval;
-  oxcf->max_gf_interval = extra_cfg->max_gf_interval;
-
-  oxcf->tuning = extra_cfg->tuning;
-  oxcf->content = extra_cfg->content;
-
-  oxcf->tile_columns = extra_cfg->tile_columns;
-  oxcf->tile_rows    = extra_cfg->tile_rows;
-
-  oxcf->error_resilient_mode         = cfg->g_error_resilient;
-  oxcf->frame_parallel_decoding_mode = extra_cfg->frame_parallel_decoding_mode;
-
-  oxcf->aq_mode = extra_cfg->aq_mode;
-
-  oxcf->frame_periodic_boost =  extra_cfg->frame_periodic_boost;
-
-  oxcf->ss_number_layers = cfg->ss_number_layers;
-  oxcf->ts_number_layers = cfg->ts_number_layers;
-  oxcf->temporal_layering_mode = (enum vp9e_temporal_layering_mode)
-      cfg->temporal_layering_mode;
-
-  for (sl = 0; sl < oxcf->ss_number_layers; ++sl) {
-#if CONFIG_SPATIAL_SVC
-    oxcf->ss_enable_auto_arf[sl] = cfg->ss_enable_auto_alt_ref[sl];
-#endif
-    for (tl = 0; tl < oxcf->ts_number_layers; ++tl) {
-      oxcf->layer_target_bitrate[sl * oxcf->ts_number_layers + tl] =
-          1000 * cfg->layer_target_bitrate[sl * oxcf->ts_number_layers + tl];
-    }
-  }
-  if (oxcf->ss_number_layers == 1 && oxcf->pass != 0) {
-    oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth;
-#if CONFIG_SPATIAL_SVC
-    oxcf->ss_enable_auto_arf[0] = extra_cfg->enable_auto_alt_ref;
-#endif
-  }
-  if (oxcf->ts_number_layers > 1) {
-    for (tl = 0; tl < VPX_TS_MAX_LAYERS; ++tl) {
-      oxcf->ts_rate_decimator[tl] = cfg->ts_rate_decimator[tl] ?
-          cfg->ts_rate_decimator[tl] : 1;
-    }
-  } else if (oxcf->ts_number_layers == 1) {
-    oxcf->ts_rate_decimator[0] = 1;
-  }
-  /*
-  printf("Current VP9 Settings: \n");
-  printf("target_bandwidth: %d\n", oxcf->target_bandwidth);
-  printf("noise_sensitivity: %d\n", oxcf->noise_sensitivity);
-  printf("sharpness: %d\n",    oxcf->sharpness);
-  printf("cpu_used: %d\n",  oxcf->cpu_used);
-  printf("Mode: %d\n",     oxcf->mode);
-  printf("auto_key: %d\n",  oxcf->auto_key);
-  printf("key_freq: %d\n", oxcf->key_freq);
-  printf("end_usage: %d\n", oxcf->end_usage);
-  printf("under_shoot_pct: %d\n", oxcf->under_shoot_pct);
-  printf("over_shoot_pct: %d\n", oxcf->over_shoot_pct);
-  printf("starting_buffer_level: %d\n", oxcf->starting_buffer_level);
-  printf("optimal_buffer_level: %d\n",  oxcf->optimal_buffer_level);
-  printf("maximum_buffer_size: %d\n", oxcf->maximum_buffer_size);
-  printf("fixed_q: %d\n",  oxcf->fixed_q);
-  printf("worst_allowed_q: %d\n", oxcf->worst_allowed_q);
-  printf("best_allowed_q: %d\n", oxcf->best_allowed_q);
-  printf("allow_spatial_resampling: %d\n", oxcf->allow_spatial_resampling);
-  printf("scaled_frame_width: %d\n", oxcf->scaled_frame_width);
-  printf("scaled_frame_height: %d\n", oxcf->scaled_frame_height);
-  printf("two_pass_vbrbias: %d\n",  oxcf->two_pass_vbrbias);
-  printf("two_pass_vbrmin_section: %d\n", oxcf->two_pass_vbrmin_section);
-  printf("two_pass_vbrmax_section: %d\n", oxcf->two_pass_vbrmax_section);
-  printf("lag_in_frames: %d\n", oxcf->lag_in_frames);
-  printf("enable_auto_arf: %d\n", oxcf->enable_auto_arf);
-  printf("Version: %d\n", oxcf->Version);
-  printf("encode_breakout: %d\n", oxcf->encode_breakout);
-  printf("error resilient: %d\n", oxcf->error_resilient_mode);
-  printf("frame parallel detokenization: %d\n",
-         oxcf->frame_parallel_decoding_mode);
-  */
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t encoder_set_config(vpx_codec_alg_priv_t *ctx,
-                                          const vpx_codec_enc_cfg_t  *cfg) {
-  vpx_codec_err_t res;
-  int force_key = 0;
-
-  if (cfg->g_w != ctx->cfg.g_w || cfg->g_h != ctx->cfg.g_h) {
-    if (cfg->g_lag_in_frames > 1 || cfg->g_pass != VPX_RC_ONE_PASS)
-      ERROR("Cannot change width or height after initialization");
-    if (!valid_ref_frame_size(ctx->cfg.g_w, ctx->cfg.g_h, cfg->g_w, cfg->g_h) ||
-        (ctx->cpi->initial_width && (int)cfg->g_w > ctx->cpi->initial_width) ||
-        (ctx->cpi->initial_height && (int)cfg->g_h > ctx->cpi->initial_height))
-      force_key = 1;
-  }
-
-  // Prevent increasing lag_in_frames. This check is stricter than it needs
-  // to be -- the limit is not increasing past the first lag_in_frames
-  // value, but we don't track the initial config, only the last successful
-  // config.
-  if (cfg->g_lag_in_frames > ctx->cfg.g_lag_in_frames)
-    ERROR("Cannot increase lag_in_frames");
-
-  res = validate_config(ctx, cfg, &ctx->extra_cfg);
-
-  if (res == VPX_CODEC_OK) {
-    ctx->cfg = *cfg;
-    set_encoder_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
-    // On profile change, request a key frame
-    force_key |= ctx->cpi->common.profile != ctx->oxcf.profile;
-    vp10_change_config(ctx->cpi, &ctx->oxcf);
-  }
-
-  if (force_key)
-    ctx->next_frame_flags |= VPX_EFLAG_FORCE_KF;
-
-  return res;
-}
-
-static vpx_codec_err_t ctrl_get_quantizer(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  int *const arg = va_arg(args, int *);
-  if (arg == NULL)
-    return VPX_CODEC_INVALID_PARAM;
-  *arg = vp10_get_quantizer(ctx->cpi);
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_get_quantizer64(vpx_codec_alg_priv_t *ctx,
-                                            va_list args) {
-  int *const arg = va_arg(args, int *);
-  if (arg == NULL)
-    return VPX_CODEC_INVALID_PARAM;
-  *arg = vp10_qindex_to_quantizer(vp10_get_quantizer(ctx->cpi));
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t update_extra_cfg(vpx_codec_alg_priv_t *ctx,
-                                        const struct vp10_extracfg *extra_cfg) {
-  const vpx_codec_err_t res = validate_config(ctx, &ctx->cfg, extra_cfg);
-  if (res == VPX_CODEC_OK) {
-    ctx->extra_cfg = *extra_cfg;
-    set_encoder_config(&ctx->oxcf, &ctx->cfg, &ctx->extra_cfg);
-    vp10_change_config(ctx->cpi, &ctx->oxcf);
-  }
-  return res;
-}
-
-static vpx_codec_err_t ctrl_set_cpuused(vpx_codec_alg_priv_t *ctx,
-                                        va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.cpu_used = CAST(VP8E_SET_CPUUSED, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_enable_auto_alt_ref(vpx_codec_alg_priv_t *ctx,
-                                                    va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.enable_auto_alt_ref = CAST(VP8E_SET_ENABLEAUTOALTREF, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_noise_sensitivity(vpx_codec_alg_priv_t *ctx,
-                                                  va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.noise_sensitivity = CAST(VP9E_SET_NOISE_SENSITIVITY, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_sharpness(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.sharpness = CAST(VP8E_SET_SHARPNESS, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_static_thresh(vpx_codec_alg_priv_t *ctx,
-                                              va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.static_thresh = CAST(VP8E_SET_STATIC_THRESHOLD, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_tile_columns(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.tile_columns = CAST(VP9E_SET_TILE_COLUMNS, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_tile_rows(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.tile_rows = CAST(VP9E_SET_TILE_ROWS, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_arnr_max_frames(vpx_codec_alg_priv_t *ctx,
-                                                va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.arnr_max_frames = CAST(VP8E_SET_ARNR_MAXFRAMES, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_arnr_strength(vpx_codec_alg_priv_t *ctx,
-                                              va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.arnr_strength = CAST(VP8E_SET_ARNR_STRENGTH, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_arnr_type(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  (void)ctx;
-  (void)args;
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_tuning(vpx_codec_alg_priv_t *ctx,
-                                       va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.tuning = CAST(VP8E_SET_TUNING, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_cq_level(vpx_codec_alg_priv_t *ctx,
-                                         va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.cq_level = CAST(VP8E_SET_CQ_LEVEL, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_rc_max_intra_bitrate_pct(
-    vpx_codec_alg_priv_t *ctx, va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.rc_max_intra_bitrate_pct =
-      CAST(VP8E_SET_MAX_INTRA_BITRATE_PCT, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_rc_max_inter_bitrate_pct(
-    vpx_codec_alg_priv_t *ctx, va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.rc_max_inter_bitrate_pct =
-      CAST(VP8E_SET_MAX_INTER_BITRATE_PCT, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_rc_gf_cbr_boost_pct(
-    vpx_codec_alg_priv_t *ctx, va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.gf_cbr_boost_pct =
-      CAST(VP9E_SET_GF_CBR_BOOST_PCT, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_lossless(vpx_codec_alg_priv_t *ctx,
-                                         va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.lossless = CAST(VP9E_SET_LOSSLESS, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_frame_parallel_decoding_mode(
-    vpx_codec_alg_priv_t *ctx, va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.frame_parallel_decoding_mode =
-      CAST(VP9E_SET_FRAME_PARALLEL_DECODING, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_aq_mode(vpx_codec_alg_priv_t *ctx,
-                                        va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.aq_mode = CAST(VP9E_SET_AQ_MODE, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_min_gf_interval(vpx_codec_alg_priv_t *ctx,
-                                                va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.min_gf_interval = CAST(VP9E_SET_MIN_GF_INTERVAL, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_max_gf_interval(vpx_codec_alg_priv_t *ctx,
-                                                va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.max_gf_interval = CAST(VP9E_SET_MAX_GF_INTERVAL, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_frame_periodic_boost(vpx_codec_alg_priv_t *ctx,
-                                                     va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.frame_periodic_boost = CAST(VP9E_SET_FRAME_PERIODIC_BOOST, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t encoder_init(vpx_codec_ctx_t *ctx,
-                                    vpx_codec_priv_enc_mr_cfg_t *data) {
-  vpx_codec_err_t res = VPX_CODEC_OK;
-  (void)data;
-
-  if (ctx->priv == NULL) {
-    vpx_codec_alg_priv_t *const priv = vpx_calloc(1, sizeof(*priv));
-    if (priv == NULL)
-      return VPX_CODEC_MEM_ERROR;
-
-    ctx->priv = (vpx_codec_priv_t *)priv;
-    ctx->priv->init_flags = ctx->init_flags;
-    ctx->priv->enc.total_encoders = 1;
-    priv->buffer_pool =
-        (BufferPool *)vpx_calloc(1, sizeof(BufferPool));
-    if (priv->buffer_pool == NULL)
-      return VPX_CODEC_MEM_ERROR;
-
-#if CONFIG_MULTITHREAD
-    if (pthread_mutex_init(&priv->buffer_pool->pool_mutex, NULL)) {
-      return VPX_CODEC_MEM_ERROR;
-    }
-#endif
-
-    if (ctx->config.enc) {
-      // Update the reference to the config structure to an internal copy.
-      priv->cfg = *ctx->config.enc;
-      ctx->config.enc = &priv->cfg;
-    }
-
-    priv->extra_cfg = default_extra_cfg;
-    once(vp10_initialize_enc);
-
-    res = validate_config(priv, &priv->cfg, &priv->extra_cfg);
-
-    if (res == VPX_CODEC_OK) {
-      set_encoder_config(&priv->oxcf, &priv->cfg, &priv->extra_cfg);
-#if CONFIG_VP9_HIGHBITDEPTH
-      priv->oxcf.use_highbitdepth =
-          (ctx->init_flags & VPX_CODEC_USE_HIGHBITDEPTH) ? 1 : 0;
-#endif
-      priv->cpi = vp10_create_compressor(&priv->oxcf, priv->buffer_pool);
-      if (priv->cpi == NULL)
-        res = VPX_CODEC_MEM_ERROR;
-      else
-        priv->cpi->output_pkt_list = &priv->pkt_list.head;
-    }
-  }
-
-  return res;
-}
-
-static vpx_codec_err_t encoder_destroy(vpx_codec_alg_priv_t *ctx) {
-  free(ctx->cx_data);
-  vp10_remove_compressor(ctx->cpi);
-#if CONFIG_MULTITHREAD
-  pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
-#endif
-  vpx_free(ctx->buffer_pool);
-  vpx_free(ctx);
-  return VPX_CODEC_OK;
-}
-
-static void pick_quickcompress_mode(vpx_codec_alg_priv_t *ctx,
-                                    unsigned long duration,
-                                    unsigned long deadline) {
-  MODE new_mode = BEST;
-
-  switch (ctx->cfg.g_pass) {
-    case VPX_RC_ONE_PASS:
-      if (deadline > 0) {
-        const vpx_codec_enc_cfg_t *const cfg = &ctx->cfg;
-
-        // Convert duration parameter from stream timebase to microseconds.
-        const uint64_t duration_us = (uint64_t)duration * 1000000 *
-           (uint64_t)cfg->g_timebase.num /(uint64_t)cfg->g_timebase.den;
-
-        // If the deadline is more that the duration this frame is to be shown,
-        // use good quality mode. Otherwise use realtime mode.
-        new_mode = (deadline > duration_us) ? GOOD : REALTIME;
-      } else {
-        new_mode = BEST;
-      }
-      break;
-    case VPX_RC_FIRST_PASS:
-      break;
-    case VPX_RC_LAST_PASS:
-      new_mode = deadline > 0 ? GOOD : BEST;
-      break;
-  }
-
-  if (ctx->oxcf.mode != new_mode) {
-    ctx->oxcf.mode = new_mode;
-    vp10_change_config(ctx->cpi, &ctx->oxcf);
-  }
-}
-
-// Turn on to test if supplemental superframe data breaks decoding
-// #define TEST_SUPPLEMENTAL_SUPERFRAME_DATA
-static int write_superframe_index(vpx_codec_alg_priv_t *ctx) {
-  uint8_t marker = 0xc0;
-  unsigned int mask;
-  int mag, index_sz;
-
-  assert(ctx->pending_frame_count);
-  assert(ctx->pending_frame_count <= 8);
-
-  // Add the number of frames to the marker byte
-  marker |= ctx->pending_frame_count - 1;
-
-  // Choose the magnitude
-  for (mag = 0, mask = 0xff; mag < 4; mag++) {
-    if (ctx->pending_frame_magnitude < mask)
-      break;
-    mask <<= 8;
-    mask |= 0xff;
-  }
-  marker |= mag << 3;
-
-  // Write the index
-  index_sz = 2 + (mag + 1) * ctx->pending_frame_count;
-  if (ctx->pending_cx_data_sz + index_sz < ctx->cx_data_sz) {
-    uint8_t *x = ctx->pending_cx_data + ctx->pending_cx_data_sz;
-    int i, j;
-#ifdef TEST_SUPPLEMENTAL_SUPERFRAME_DATA
-    uint8_t marker_test = 0xc0;
-    int mag_test = 2;     // 1 - 4
-    int frames_test = 4;  // 1 - 8
-    int index_sz_test = 2 + mag_test * frames_test;
-    marker_test |= frames_test - 1;
-    marker_test |= (mag_test - 1) << 3;
-    *x++ = marker_test;
-    for (i = 0; i < mag_test * frames_test; ++i)
-      *x++ = 0;  // fill up with arbitrary data
-    *x++ = marker_test;
-    ctx->pending_cx_data_sz += index_sz_test;
-    printf("Added supplemental superframe data\n");
-#endif
-
-    *x++ = marker;
-    for (i = 0; i < ctx->pending_frame_count; i++) {
-      unsigned int this_sz = (unsigned int)ctx->pending_frame_sizes[i];
-
-      for (j = 0; j <= mag; j++) {
-        *x++ = this_sz & 0xff;
-        this_sz >>= 8;
-      }
-    }
-    *x++ = marker;
-    ctx->pending_cx_data_sz += index_sz;
-#ifdef TEST_SUPPLEMENTAL_SUPERFRAME_DATA
-    index_sz += index_sz_test;
-#endif
-  }
-  return index_sz;
-}
-
-// vp9 uses 10,000,000 ticks/second as time stamp
-#define TICKS_PER_SEC 10000000LL
-
-static int64_t timebase_units_to_ticks(const vpx_rational_t *timebase,
-                                       int64_t n) {
-  return n * TICKS_PER_SEC * timebase->num / timebase->den;
-}
-
-static int64_t ticks_to_timebase_units(const vpx_rational_t *timebase,
-                                       int64_t n) {
-  const int64_t round = TICKS_PER_SEC * timebase->num / 2 - 1;
-  return (n * timebase->den + round) / timebase->num / TICKS_PER_SEC;
-}
-
-static vpx_codec_frame_flags_t get_frame_pkt_flags(const VP9_COMP *cpi,
-                                                   unsigned int lib_flags) {
-  vpx_codec_frame_flags_t flags = lib_flags << 16;
-
-  if (lib_flags & FRAMEFLAGS_KEY ||
-      (cpi->use_svc &&
-          cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-              cpi->svc.number_temporal_layers +
-              cpi->svc.temporal_layer_id].is_key_frame)
-     )
-    flags |= VPX_FRAME_IS_KEY;
-
-  if (cpi->droppable)
-    flags |= VPX_FRAME_IS_DROPPABLE;
-
-  return flags;
-}
-
-static vpx_codec_err_t encoder_encode(vpx_codec_alg_priv_t  *ctx,
-                                      const vpx_image_t *img,
-                                      vpx_codec_pts_t pts,
-                                      unsigned long duration,
-                                      vpx_enc_frame_flags_t flags,
-                                      unsigned long deadline) {
-  vpx_codec_err_t res = VPX_CODEC_OK;
-  VP9_COMP *const cpi = ctx->cpi;
-  const vpx_rational_t *const timebase = &ctx->cfg.g_timebase;
-  size_t data_sz;
-
-  if (img != NULL) {
-    res = validate_img(ctx, img);
-    // TODO(jzern) the checks related to cpi's validity should be treated as a
-    // failure condition, encoder setup is done fully in init() currently.
-    if (res == VPX_CODEC_OK && cpi != NULL) {
-      // There's no codec control for multiple alt-refs so check the encoder
-      // instance for its status to determine the compressed data size.
-      data_sz = ctx->cfg.g_w * ctx->cfg.g_h * get_image_bps(img) / 8 *
-                (cpi->multi_arf_allowed ? 8 : 2);
-      if (data_sz < 4096)
-        data_sz = 4096;
-      if (ctx->cx_data == NULL || ctx->cx_data_sz < data_sz) {
-        ctx->cx_data_sz = data_sz;
-        free(ctx->cx_data);
-        ctx->cx_data = (unsigned char*)malloc(ctx->cx_data_sz);
-        if (ctx->cx_data == NULL) {
-          return VPX_CODEC_MEM_ERROR;
-        }
-      }
-    }
-  }
-
-  pick_quickcompress_mode(ctx, duration, deadline);
-  vpx_codec_pkt_list_init(&ctx->pkt_list);
-
-  // Handle Flags
-  if (((flags & VP8_EFLAG_NO_UPD_GF) && (flags & VP8_EFLAG_FORCE_GF)) ||
-       ((flags & VP8_EFLAG_NO_UPD_ARF) && (flags & VP8_EFLAG_FORCE_ARF))) {
-    ctx->base.err_detail = "Conflicting flags.";
-    return VPX_CODEC_INVALID_PARAM;
-  }
-
-  vp10_apply_encoding_flags(cpi, flags);
-
-  // Handle fixed keyframe intervals
-  if (ctx->cfg.kf_mode == VPX_KF_AUTO &&
-      ctx->cfg.kf_min_dist == ctx->cfg.kf_max_dist) {
-    if (++ctx->fixed_kf_cntr > ctx->cfg.kf_min_dist) {
-      flags |= VPX_EFLAG_FORCE_KF;
-      ctx->fixed_kf_cntr = 1;
-    }
-  }
-
-  // Initialize the encoder instance on the first frame.
-  if (res == VPX_CODEC_OK && cpi != NULL) {
-    unsigned int lib_flags = 0;
-    YV12_BUFFER_CONFIG sd;
-    int64_t dst_time_stamp = timebase_units_to_ticks(timebase, pts);
-    int64_t dst_end_time_stamp =
-        timebase_units_to_ticks(timebase, pts + duration);
-    size_t size, cx_data_sz;
-    unsigned char *cx_data;
-
-    // Set up internal flags
-    if (ctx->base.init_flags & VPX_CODEC_USE_PSNR)
-      cpi->b_calculate_psnr = 1;
-
-    if (img != NULL) {
-      res = image2yuvconfig(img, &sd);
-
-      // Store the original flags in to the frame buffer. Will extract the
-      // key frame flag when we actually encode this frame.
-      if (vp10_receive_raw_frame(cpi, flags | ctx->next_frame_flags,
-                                &sd, dst_time_stamp, dst_end_time_stamp)) {
-        res = update_error_state(ctx, &cpi->common.error);
-      }
-      ctx->next_frame_flags = 0;
-    }
-
-    cx_data = ctx->cx_data;
-    cx_data_sz = ctx->cx_data_sz;
-
-    /* Any pending invisible frames? */
-    if (ctx->pending_cx_data) {
-      memmove(cx_data, ctx->pending_cx_data, ctx->pending_cx_data_sz);
-      ctx->pending_cx_data = cx_data;
-      cx_data += ctx->pending_cx_data_sz;
-      cx_data_sz -= ctx->pending_cx_data_sz;
-
-      /* TODO: this is a minimal check, the underlying codec doesn't respect
-       * the buffer size anyway.
-       */
-      if (cx_data_sz < ctx->cx_data_sz / 2) {
-        ctx->base.err_detail = "Compressed data buffer too small";
-        return VPX_CODEC_ERROR;
-      }
-    }
-
-    while (cx_data_sz >= ctx->cx_data_sz / 2 &&
-           -1 != vp10_get_compressed_data(cpi, &lib_flags, &size,
-                                         cx_data, &dst_time_stamp,
-                                         &dst_end_time_stamp, !img)) {
-      if (size) {
-        vpx_codec_cx_pkt_t pkt;
-
-#if CONFIG_SPATIAL_SVC
-        if (cpi->use_svc)
-          cpi->svc.layer_context[cpi->svc.spatial_layer_id *
-              cpi->svc.number_temporal_layers].layer_size += size;
-#endif
-
-        // Pack invisible frames with the next visible frame
-        if (!cpi->common.show_frame ||
-            (cpi->use_svc &&
-             cpi->svc.spatial_layer_id < cpi->svc.number_spatial_layers - 1)
-            ) {
-          if (ctx->pending_cx_data == 0)
-            ctx->pending_cx_data = cx_data;
-          ctx->pending_cx_data_sz += size;
-          ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
-          ctx->pending_frame_magnitude |= size;
-          cx_data += size;
-          cx_data_sz -= size;
-
-          if (ctx->output_cx_pkt_cb.output_cx_pkt) {
-            pkt.kind = VPX_CODEC_CX_FRAME_PKT;
-            pkt.data.frame.pts = ticks_to_timebase_units(timebase,
-                                                         dst_time_stamp);
-            pkt.data.frame.duration =
-               (unsigned long)ticks_to_timebase_units(timebase,
-                   dst_end_time_stamp - dst_time_stamp);
-            pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
-            pkt.data.frame.buf = ctx->pending_cx_data;
-            pkt.data.frame.sz  = size;
-            ctx->pending_cx_data = NULL;
-            ctx->pending_cx_data_sz = 0;
-            ctx->pending_frame_count = 0;
-            ctx->pending_frame_magnitude = 0;
-            ctx->output_cx_pkt_cb.output_cx_pkt(
-                &pkt, ctx->output_cx_pkt_cb.user_priv);
-          }
-          continue;
-        }
-
-        // Add the frame packet to the list of returned packets.
-        pkt.kind = VPX_CODEC_CX_FRAME_PKT;
-        pkt.data.frame.pts = ticks_to_timebase_units(timebase, dst_time_stamp);
-        pkt.data.frame.duration =
-           (unsigned long)ticks_to_timebase_units(timebase,
-               dst_end_time_stamp - dst_time_stamp);
-        pkt.data.frame.flags = get_frame_pkt_flags(cpi, lib_flags);
-
-        if (ctx->pending_cx_data) {
-          ctx->pending_frame_sizes[ctx->pending_frame_count++] = size;
-          ctx->pending_frame_magnitude |= size;
-          ctx->pending_cx_data_sz += size;
-          // write the superframe only for the case when
-          if (!ctx->output_cx_pkt_cb.output_cx_pkt)
-            size += write_superframe_index(ctx);
-          pkt.data.frame.buf = ctx->pending_cx_data;
-          pkt.data.frame.sz  = ctx->pending_cx_data_sz;
-          ctx->pending_cx_data = NULL;
-          ctx->pending_cx_data_sz = 0;
-          ctx->pending_frame_count = 0;
-          ctx->pending_frame_magnitude = 0;
-        } else {
-          pkt.data.frame.buf = cx_data;
-          pkt.data.frame.sz  = size;
-        }
-        pkt.data.frame.partition_id = -1;
-
-        if(ctx->output_cx_pkt_cb.output_cx_pkt)
-          ctx->output_cx_pkt_cb.output_cx_pkt(&pkt,
-                                              ctx->output_cx_pkt_cb.user_priv);
-        else
-          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt);
-
-        cx_data += size;
-        cx_data_sz -= size;
-#if VPX_ENCODER_ABI_VERSION > (5 + VPX_CODEC_ABI_VERSION)
-#if CONFIG_SPATIAL_SVC
-        if (cpi->use_svc && !ctx->output_cx_pkt_cb.output_cx_pkt) {
-          vpx_codec_cx_pkt_t pkt_sizes, pkt_psnr;
-          int sl;
-          vp10_zero(pkt_sizes);
-          vp10_zero(pkt_psnr);
-          pkt_sizes.kind = VPX_CODEC_SPATIAL_SVC_LAYER_SIZES;
-          pkt_psnr.kind = VPX_CODEC_SPATIAL_SVC_LAYER_PSNR;
-          for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
-            LAYER_CONTEXT *lc =
-                &cpi->svc.layer_context[sl * cpi->svc.number_temporal_layers];
-            pkt_sizes.data.layer_sizes[sl] = lc->layer_size;
-            pkt_psnr.data.layer_psnr[sl] = lc->psnr_pkt;
-            lc->layer_size = 0;
-          }
-
-          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_sizes);
-
-          vpx_codec_pkt_list_add(&ctx->pkt_list.head, &pkt_psnr);
-        }
-#endif
-#endif
-        if (is_one_pass_cbr_svc(cpi) &&
-            (cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) {
-          // Encoded all spatial layers; exit loop.
-          break;
-        }
-      }
-    }
-  }
-
-  return res;
-}
-
-static const vpx_codec_cx_pkt_t *encoder_get_cxdata(vpx_codec_alg_priv_t *ctx,
-                                                    vpx_codec_iter_t *iter) {
-  return vpx_codec_pkt_list_get(&ctx->pkt_list.head, iter);
-}
-
-static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
-
-  if (frame != NULL) {
-    YV12_BUFFER_CONFIG sd;
-
-    image2yuvconfig(&frame->img, &sd);
-    vp10_set_reference_enc(ctx->cpi, ref_frame_to_vp10_reframe(frame->frame_type),
-                          &sd);
-    return VPX_CODEC_OK;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  vpx_ref_frame_t *const frame = va_arg(args, vpx_ref_frame_t *);
-
-  if (frame != NULL) {
-    YV12_BUFFER_CONFIG sd;
-
-    image2yuvconfig(&frame->img, &sd);
-    vp10_copy_reference_enc(ctx->cpi,
-                           ref_frame_to_vp10_reframe(frame->frame_type), &sd);
-    return VPX_CODEC_OK;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  vp9_ref_frame_t *const frame = va_arg(args, vp9_ref_frame_t *);
-
-  if (frame != NULL) {
-    YV12_BUFFER_CONFIG *fb = get_ref_frame(&ctx->cpi->common, frame->idx);
-    if (fb == NULL) return VPX_CODEC_ERROR;
-
-    yuvconfig2image(&frame->img, fb, NULL);
-    return VPX_CODEC_OK;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_set_previewpp(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-#if CONFIG_VP9_POSTPROC
-  vp8_postproc_cfg_t *config = va_arg(args, vp8_postproc_cfg_t *);
-  if (config != NULL) {
-    ctx->preview_ppcfg = *config;
-    return VPX_CODEC_OK;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-#else
-  (void)ctx;
-  (void)args;
-  return VPX_CODEC_INCAPABLE;
-#endif
-}
-
-
-static vpx_image_t *encoder_get_preview(vpx_codec_alg_priv_t *ctx) {
-  YV12_BUFFER_CONFIG sd;
-  vp10_ppflags_t flags;
-  vp10_zero(flags);
-
-  if (ctx->preview_ppcfg.post_proc_flag) {
-    flags.post_proc_flag   = ctx->preview_ppcfg.post_proc_flag;
-    flags.deblocking_level = ctx->preview_ppcfg.deblocking_level;
-    flags.noise_level      = ctx->preview_ppcfg.noise_level;
-  }
-
-  if (vp10_get_preview_raw_frame(ctx->cpi, &sd, &flags) == 0) {
-    yuvconfig2image(&ctx->preview_img, &sd, NULL);
-    return &ctx->preview_img;
-  } else {
-    return NULL;
-  }
-}
-
-static vpx_codec_err_t ctrl_update_entropy(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  const int update = va_arg(args, int);
-
-  vp10_update_entropy(ctx->cpi, update);
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_update_reference(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  const int ref_frame_flags = va_arg(args, int);
-
-  vp10_update_reference(ctx->cpi, ref_frame_flags);
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_use_reference(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  const int reference_flag = va_arg(args, int);
-
-  vp10_use_as_reference(ctx->cpi, reference_flag);
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_roi_map(vpx_codec_alg_priv_t *ctx,
-                                        va_list args) {
-  (void)ctx;
-  (void)args;
-
-  // TODO(yaowu): Need to re-implement and test for VP9.
-  return VPX_CODEC_INVALID_PARAM;
-}
-
-
-static vpx_codec_err_t ctrl_set_active_map(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  vpx_active_map_t *const map = va_arg(args, vpx_active_map_t *);
-
-  if (map) {
-    if (!vp10_set_active_map(ctx->cpi, map->active_map,
-                            (int)map->rows, (int)map->cols))
-      return VPX_CODEC_OK;
-    else
-      return VPX_CODEC_INVALID_PARAM;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_get_active_map(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  vpx_active_map_t *const map = va_arg(args, vpx_active_map_t *);
-
-  if (map) {
-    if (!vp10_get_active_map(ctx->cpi, map->active_map,
-                            (int)map->rows, (int)map->cols))
-      return VPX_CODEC_OK;
-    else
-      return VPX_CODEC_INVALID_PARAM;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_set_scale_mode(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  vpx_scaling_mode_t *const mode = va_arg(args, vpx_scaling_mode_t *);
-
-  if (mode) {
-    const int res = vp10_set_internal_size(ctx->cpi,
-                                          (VPX_SCALING)mode->h_scaling_mode,
-                                          (VPX_SCALING)mode->v_scaling_mode);
-    return (res == 0) ? VPX_CODEC_OK : VPX_CODEC_INVALID_PARAM;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_set_svc(vpx_codec_alg_priv_t *ctx, va_list args) {
-  int data = va_arg(args, int);
-  const vpx_codec_enc_cfg_t *cfg = &ctx->cfg;
-  // Both one-pass and two-pass RC are supported now.
-  // User setting this has to make sure of the following.
-  // In two-pass setting: either (but not both)
-  //      cfg->ss_number_layers > 1, or cfg->ts_number_layers > 1
-  // In one-pass setting:
-  //      either or both cfg->ss_number_layers > 1, or cfg->ts_number_layers > 1
-
-  vp10_set_svc(ctx->cpi, data);
-
-  if (data == 1 &&
-      (cfg->g_pass == VPX_RC_FIRST_PASS ||
-       cfg->g_pass == VPX_RC_LAST_PASS) &&
-       cfg->ss_number_layers > 1 &&
-       cfg->ts_number_layers > 1) {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_svc_layer_id(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  vpx_svc_layer_id_t *const data = va_arg(args, vpx_svc_layer_id_t *);
-  VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
-  SVC *const svc = &cpi->svc;
-
-  svc->spatial_layer_id = data->spatial_layer_id;
-  svc->temporal_layer_id = data->temporal_layer_id;
-  // Checks on valid layer_id input.
-  if (svc->temporal_layer_id < 0 ||
-      svc->temporal_layer_id >= (int)ctx->cfg.ts_number_layers) {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-  if (svc->spatial_layer_id < 0 ||
-      svc->spatial_layer_id >= (int)ctx->cfg.ss_number_layers) {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_get_svc_layer_id(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  vpx_svc_layer_id_t *data = va_arg(args, vpx_svc_layer_id_t *);
-  VP9_COMP *const cpi = (VP9_COMP *)ctx->cpi;
-  SVC *const svc = &cpi->svc;
-
-  data->spatial_layer_id = svc->spatial_layer_id;
-  data->temporal_layer_id = svc->temporal_layer_id;
-
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_svc_parameters(vpx_codec_alg_priv_t *ctx,
-                                               va_list args) {
-  VP9_COMP *const cpi = ctx->cpi;
-  vpx_svc_extra_cfg_t *const params = va_arg(args, vpx_svc_extra_cfg_t *);
-  int sl, tl;
-
-  // Number of temporal layers and number of spatial layers have to be set
-  // properly before calling this control function.
-  for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) {
-    for (tl = 0; tl < cpi->svc.number_temporal_layers; ++tl) {
-      const int layer =
-          LAYER_IDS_TO_IDX(sl, tl, cpi->svc.number_temporal_layers);
-      LAYER_CONTEXT *lc =
-          &cpi->svc.layer_context[layer];
-      lc->max_q = params->max_quantizers[sl];
-      lc->min_q = params->min_quantizers[sl];
-      lc->scaling_factor_num = params->scaling_factor_num[sl];
-      lc->scaling_factor_den = params->scaling_factor_den[sl];
-    }
-  }
-
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_register_cx_callback(vpx_codec_alg_priv_t *ctx,
-                                                 va_list args) {
-  vpx_codec_priv_output_cx_pkt_cb_pair_t *cbp =
-      (vpx_codec_priv_output_cx_pkt_cb_pair_t *)va_arg(args, void *);
-  ctx->output_cx_pkt_cb.output_cx_pkt = cbp->output_cx_pkt;
-  ctx->output_cx_pkt_cb.user_priv = cbp->user_priv;
-
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_tune_content(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.content = CAST(VP9E_SET_TUNE_CONTENT, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_err_t ctrl_set_color_space(vpx_codec_alg_priv_t *ctx,
-                                            va_list args) {
-  struct vp10_extracfg extra_cfg = ctx->extra_cfg;
-  extra_cfg.color_space = CAST(VP9E_SET_COLOR_SPACE, args);
-  return update_extra_cfg(ctx, &extra_cfg);
-}
-
-static vpx_codec_ctrl_fn_map_t encoder_ctrl_maps[] = {
-  {VP8_COPY_REFERENCE,                ctrl_copy_reference},
-  {VP8E_UPD_ENTROPY,                  ctrl_update_entropy},
-  {VP8E_UPD_REFERENCE,                ctrl_update_reference},
-  {VP8E_USE_REFERENCE,                ctrl_use_reference},
-
-  // Setters
-  {VP8_SET_REFERENCE,                 ctrl_set_reference},
-  {VP8_SET_POSTPROC,                  ctrl_set_previewpp},
-  {VP8E_SET_ROI_MAP,                  ctrl_set_roi_map},
-  {VP8E_SET_ACTIVEMAP,                ctrl_set_active_map},
-  {VP8E_SET_SCALEMODE,                ctrl_set_scale_mode},
-  {VP8E_SET_CPUUSED,                  ctrl_set_cpuused},
-  {VP8E_SET_ENABLEAUTOALTREF,         ctrl_set_enable_auto_alt_ref},
-  {VP8E_SET_SHARPNESS,                ctrl_set_sharpness},
-  {VP8E_SET_STATIC_THRESHOLD,         ctrl_set_static_thresh},
-  {VP9E_SET_TILE_COLUMNS,             ctrl_set_tile_columns},
-  {VP9E_SET_TILE_ROWS,                ctrl_set_tile_rows},
-  {VP8E_SET_ARNR_MAXFRAMES,           ctrl_set_arnr_max_frames},
-  {VP8E_SET_ARNR_STRENGTH,            ctrl_set_arnr_strength},
-  {VP8E_SET_ARNR_TYPE,                ctrl_set_arnr_type},
-  {VP8E_SET_TUNING,                   ctrl_set_tuning},
-  {VP8E_SET_CQ_LEVEL,                 ctrl_set_cq_level},
-  {VP8E_SET_MAX_INTRA_BITRATE_PCT,    ctrl_set_rc_max_intra_bitrate_pct},
-  {VP9E_SET_MAX_INTER_BITRATE_PCT,    ctrl_set_rc_max_inter_bitrate_pct},
-  {VP9E_SET_GF_CBR_BOOST_PCT,         ctrl_set_rc_gf_cbr_boost_pct},
-  {VP9E_SET_LOSSLESS,                 ctrl_set_lossless},
-  {VP9E_SET_FRAME_PARALLEL_DECODING,  ctrl_set_frame_parallel_decoding_mode},
-  {VP9E_SET_AQ_MODE,                  ctrl_set_aq_mode},
-  {VP9E_SET_FRAME_PERIODIC_BOOST,     ctrl_set_frame_periodic_boost},
-  {VP9E_SET_SVC,                      ctrl_set_svc},
-  {VP9E_SET_SVC_PARAMETERS,           ctrl_set_svc_parameters},
-  {VP9E_REGISTER_CX_CALLBACK,         ctrl_register_cx_callback},
-  {VP9E_SET_SVC_LAYER_ID,             ctrl_set_svc_layer_id},
-  {VP9E_SET_TUNE_CONTENT,             ctrl_set_tune_content},
-  {VP9E_SET_COLOR_SPACE,              ctrl_set_color_space},
-  {VP9E_SET_NOISE_SENSITIVITY,        ctrl_set_noise_sensitivity},
-  {VP9E_SET_MIN_GF_INTERVAL,          ctrl_set_min_gf_interval},
-  {VP9E_SET_MAX_GF_INTERVAL,          ctrl_set_max_gf_interval},
-
-  // Getters
-  {VP8E_GET_LAST_QUANTIZER,           ctrl_get_quantizer},
-  {VP8E_GET_LAST_QUANTIZER_64,        ctrl_get_quantizer64},
-  {VP9_GET_REFERENCE,                 ctrl_get_reference},
-  {VP9E_GET_SVC_LAYER_ID,             ctrl_get_svc_layer_id},
-  {VP9E_GET_ACTIVEMAP,                ctrl_get_active_map},
-
-  { -1, NULL},
-};
-
-static vpx_codec_enc_cfg_map_t encoder_usage_cfg_map[] = {
-  {
-    0,
-    {  // NOLINT
-      0,                  // g_usage
-      8,                  // g_threads
-      0,                  // g_profile
-
-      320,                // g_width
-      240,                // g_height
-      VPX_BITS_8,         // g_bit_depth
-      8,                  // g_input_bit_depth
-
-      {1, 30},            // g_timebase
-
-      0,                  // g_error_resilient
-
-      VPX_RC_ONE_PASS,    // g_pass
-
-      25,                 // g_lag_in_frames
-
-      0,                  // rc_dropframe_thresh
-      0,                  // rc_resize_allowed
-      0,                  // rc_scaled_width
-      0,                  // rc_scaled_height
-      60,                 // rc_resize_down_thresold
-      30,                 // rc_resize_up_thresold
-
-      VPX_VBR,            // rc_end_usage
-      {NULL, 0},          // rc_twopass_stats_in
-      {NULL, 0},          // rc_firstpass_mb_stats_in
-      256,                // rc_target_bandwidth
-      0,                  // rc_min_quantizer
-      63,                 // rc_max_quantizer
-      25,                 // rc_undershoot_pct
-      25,                 // rc_overshoot_pct
-
-      6000,               // rc_max_buffer_size
-      4000,               // rc_buffer_initial_size
-      5000,               // rc_buffer_optimal_size
-
-      50,                 // rc_two_pass_vbrbias
-      0,                  // rc_two_pass_vbrmin_section
-      2000,               // rc_two_pass_vbrmax_section
-
-      // keyframing settings (kf)
-      VPX_KF_AUTO,        // g_kfmode
-      0,                  // kf_min_dist
-      9999,               // kf_max_dist
-
-      VPX_SS_DEFAULT_LAYERS,  // ss_number_layers
-      {0},
-      {0},                    // ss_target_bitrate
-      1,                      // ts_number_layers
-      {0},                    // ts_target_bitrate
-      {0},                    // ts_rate_decimator
-      0,                      // ts_periodicity
-      {0},                    // ts_layer_id
-      {0},                  // layer_taget_bitrate
-      0                     // temporal_layering_mode
-    }
-  },
-};
-
-#ifndef VERSION_STRING
-#define VERSION_STRING
-#endif
-CODEC_INTERFACE(vpx_codec_vp10_cx) = {
-  "WebM Project VP10 Encoder" VERSION_STRING,
-  VPX_CODEC_INTERNAL_ABI_VERSION,
-#if CONFIG_VP9_HIGHBITDEPTH
-  VPX_CODEC_CAP_HIGHBITDEPTH |
-#endif
-  VPX_CODEC_CAP_ENCODER | VPX_CODEC_CAP_PSNR,  // vpx_codec_caps_t
-  encoder_init,       // vpx_codec_init_fn_t
-  encoder_destroy,    // vpx_codec_destroy_fn_t
-  encoder_ctrl_maps,  // vpx_codec_ctrl_fn_map_t
-  {  // NOLINT
-    NULL,  // vpx_codec_peek_si_fn_t
-    NULL,  // vpx_codec_get_si_fn_t
-    NULL,  // vpx_codec_decode_fn_t
-    NULL,  // vpx_codec_frame_get_fn_t
-    NULL   // vpx_codec_set_fb_fn_t
-  },
-  {  // NOLINT
-    1,                      // 1 cfg map
-    encoder_usage_cfg_map,  // vpx_codec_enc_cfg_map_t
-    encoder_encode,         // vpx_codec_encode_fn_t
-    encoder_get_cxdata,     // vpx_codec_get_cx_data_fn_t
-    encoder_set_config,     // vpx_codec_enc_config_set_fn_t
-    NULL,        // vpx_codec_get_global_headers_fn_t
-    encoder_get_preview,    // vpx_codec_get_preview_frame_fn_t
-    NULL         // vpx_codec_enc_mr_get_mem_loc_fn_t
-  }
-};
--- a/vp10/vp9_dx_iface.c
+++ /dev/null
@@ -1,1131 +1,0 @@
-/*
- *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "./vpx_config.h"
-#include "./vpx_version.h"
-
-#include "vpx/internal/vpx_codec_internal.h"
-#include "vpx/vp8dx.h"
-#include "vpx/vpx_decoder.h"
-#include "vpx_dsp/bitreader_buffer.h"
-#include "vpx_util/vpx_thread.h"
-
-#include "vp10/common/vp9_alloccommon.h"
-#include "vp10/common/vp9_frame_buffers.h"
-
-#include "vp10/decoder/vp9_decoder.h"
-#include "vp10/decoder/vp9_decodeframe.h"
-
-#include "vp10/vp9_iface_common.h"
-
-#define VP9_CAP_POSTPROC (CONFIG_VP9_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
-
-typedef vpx_codec_stream_info_t vp10_stream_info_t;
-
-// This limit is due to framebuffer numbers.
-// TODO(hkuang): Remove this limit after implementing ondemand framebuffers.
-#define FRAME_CACHE_SIZE 6   // Cache maximum 6 decoded frames.
-
-typedef struct cache_frame {
-  int fb_idx;
-  vpx_image_t img;
-} cache_frame;
-
-struct vpx_codec_alg_priv {
-  vpx_codec_priv_t        base;
-  vpx_codec_dec_cfg_t     cfg;
-  vp10_stream_info_t       si;
-  int                     postproc_cfg_set;
-  vp8_postproc_cfg_t      postproc_cfg;
-  vpx_decrypt_cb          decrypt_cb;
-  void                    *decrypt_state;
-  vpx_image_t             img;
-  int                     img_avail;
-  int                     flushed;
-  int                     invert_tile_order;
-  int                     last_show_frame;  // Index of last output frame.
-  int                     byte_alignment;
-  int                     skip_loop_filter;
-
-  // Frame parallel related.
-  int                     frame_parallel_decode;  // frame-based threading.
-  VPxWorker               *frame_workers;
-  int                     num_frame_workers;
-  int                     next_submit_worker_id;
-  int                     last_submit_worker_id;
-  int                     next_output_worker_id;
-  int                     available_threads;
-  cache_frame             frame_cache[FRAME_CACHE_SIZE];
-  int                     frame_cache_write;
-  int                     frame_cache_read;
-  int                     num_cache_frames;
-  int                     need_resync;      // wait for key/intra-only frame
-  // BufferPool that holds all reference frames. Shared by all the FrameWorkers.
-  BufferPool              *buffer_pool;
-
-  // External frame buffer info to save for VP9 common.
-  void *ext_priv;  // Private data associated with the external frame buffers.
-  vpx_get_frame_buffer_cb_fn_t get_ext_fb_cb;
-  vpx_release_frame_buffer_cb_fn_t release_ext_fb_cb;
-};
-
-static vpx_codec_err_t decoder_init(vpx_codec_ctx_t *ctx,
-                                    vpx_codec_priv_enc_mr_cfg_t *data) {
-  // This function only allocates space for the vpx_codec_alg_priv_t
-  // structure. More memory may be required at the time the stream
-  // information becomes known.
-  (void)data;
-
-  if (!ctx->priv) {
-    vpx_codec_alg_priv_t *const priv = vpx_calloc(1, sizeof(*priv));
-    if (priv == NULL)
-      return VPX_CODEC_MEM_ERROR;
-
-    ctx->priv = (vpx_codec_priv_t *)priv;
-    ctx->priv->init_flags = ctx->init_flags;
-    priv->si.sz = sizeof(priv->si);
-    priv->flushed = 0;
-    // Only do frame parallel decode when threads > 1.
-    priv->frame_parallel_decode =
-        (ctx->config.dec && (ctx->config.dec->threads > 1) &&
-         (ctx->init_flags & VPX_CODEC_USE_FRAME_THREADING)) ? 1 : 0;
-    if (ctx->config.dec) {
-      priv->cfg = *ctx->config.dec;
-      ctx->config.dec = &priv->cfg;
-    }
-  }
-
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t decoder_destroy(vpx_codec_alg_priv_t *ctx) {
-  if (ctx->frame_workers != NULL) {
-    int i;
-    for (i = 0; i < ctx->num_frame_workers; ++i) {
-      VPxWorker *const worker = &ctx->frame_workers[i];
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      vpx_get_worker_interface()->end(worker);
-      vp10_remove_common(&frame_worker_data->pbi->common);
-#if CONFIG_VP9_POSTPROC
-      vp10_free_postproc_buffers(&frame_worker_data->pbi->common);
-#endif
-      vp10_decoder_remove(frame_worker_data->pbi);
-      vpx_free(frame_worker_data->scratch_buffer);
-#if CONFIG_MULTITHREAD
-      pthread_mutex_destroy(&frame_worker_data->stats_mutex);
-      pthread_cond_destroy(&frame_worker_data->stats_cond);
-#endif
-      vpx_free(frame_worker_data);
-    }
-#if CONFIG_MULTITHREAD
-    pthread_mutex_destroy(&ctx->buffer_pool->pool_mutex);
-#endif
-  }
-
-  if (ctx->buffer_pool) {
-    vp10_free_ref_frame_buffers(ctx->buffer_pool);
-    vp10_free_internal_frame_buffers(&ctx->buffer_pool->int_frame_buffers);
-  }
-
-  vpx_free(ctx->frame_workers);
-  vpx_free(ctx->buffer_pool);
-  vpx_free(ctx);
-  return VPX_CODEC_OK;
-}
-
-static int parse_bitdepth_colorspace_sampling(
-    BITSTREAM_PROFILE profile, struct vpx_read_bit_buffer *rb) {
-  vpx_color_space_t color_space;
-  if (profile >= PROFILE_2)
-    rb->bit_offset += 1;  // Bit-depth 10 or 12.
-  color_space = (vpx_color_space_t)vpx_rb_read_literal(rb, 3);
-  if (color_space != VPX_CS_SRGB) {
-    rb->bit_offset += 1;  // [16,235] (including xvycc) vs [0,255] range.
-    if (profile == PROFILE_1 || profile == PROFILE_3) {
-      rb->bit_offset += 2;  // subsampling x/y.
-      rb->bit_offset += 1;  // unused.
-    }
-  } else {
-    if (profile == PROFILE_1 || profile == PROFILE_3) {
-      rb->bit_offset += 1;  // unused
-    } else {
-      // RGB is only available in version 1.
-      return 0;
-    }
-  }
-  return 1;
-}
-
-static vpx_codec_err_t decoder_peek_si_internal(const uint8_t *data,
-                                                unsigned int data_sz,
-                                                vpx_codec_stream_info_t *si,
-                                                int *is_intra_only,
-                                                vpx_decrypt_cb decrypt_cb,
-                                                void *decrypt_state) {
-  int intra_only_flag = 0;
-  uint8_t clear_buffer[9];
-
-  if (data + data_sz <= data)
-    return VPX_CODEC_INVALID_PARAM;
-
-  si->is_kf = 0;
-  si->w = si->h = 0;
-
-  if (decrypt_cb) {
-    data_sz = MIN(sizeof(clear_buffer), data_sz);
-    decrypt_cb(decrypt_state, data, clear_buffer, data_sz);
-    data = clear_buffer;
-  }
-
-  {
-    int show_frame;
-    int error_resilient;
-    struct vpx_read_bit_buffer rb = { data, data + data_sz, 0, NULL, NULL };
-    const int frame_marker = vpx_rb_read_literal(&rb, 2);
-    const BITSTREAM_PROFILE profile = vp10_read_profile(&rb);
-
-    if (frame_marker != VP9_FRAME_MARKER)
-      return VPX_CODEC_UNSUP_BITSTREAM;
-
-    if (profile >= MAX_PROFILES)
-      return VPX_CODEC_UNSUP_BITSTREAM;
-
-    if ((profile >= 2 && data_sz <= 1) || data_sz < 1)
-      return VPX_CODEC_UNSUP_BITSTREAM;
-
-    if (vpx_rb_read_bit(&rb)) {  // show an existing frame
-      vpx_rb_read_literal(&rb, 3);  // Frame buffer to show.
-      return VPX_CODEC_OK;
-    }
-
-    if (data_sz <= 8)
-      return VPX_CODEC_UNSUP_BITSTREAM;
-
-    si->is_kf = !vpx_rb_read_bit(&rb);
-    show_frame = vpx_rb_read_bit(&rb);
-    error_resilient = vpx_rb_read_bit(&rb);
-
-    if (si->is_kf) {
-      if (!vp10_read_sync_code(&rb))
-        return VPX_CODEC_UNSUP_BITSTREAM;
-
-      if (!parse_bitdepth_colorspace_sampling(profile, &rb))
-        return VPX_CODEC_UNSUP_BITSTREAM;
-      vp10_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
-    } else {
-      intra_only_flag = show_frame ? 0 : vpx_rb_read_bit(&rb);
-
-      rb.bit_offset += error_resilient ? 0 : 2;  // reset_frame_context
-
-      if (intra_only_flag) {
-        if (!vp10_read_sync_code(&rb))
-          return VPX_CODEC_UNSUP_BITSTREAM;
-        if (profile > PROFILE_0) {
-          if (!parse_bitdepth_colorspace_sampling(profile, &rb))
-            return VPX_CODEC_UNSUP_BITSTREAM;
-        }
-        rb.bit_offset += REF_FRAMES;  // refresh_frame_flags
-        vp10_read_frame_size(&rb, (int *)&si->w, (int *)&si->h);
-      }
-    }
-  }
-  if (is_intra_only != NULL)
-    *is_intra_only = intra_only_flag;
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t decoder_peek_si(const uint8_t *data,
-                                       unsigned int data_sz,
-                                       vpx_codec_stream_info_t *si) {
-  return decoder_peek_si_internal(data, data_sz, si, NULL, NULL, NULL);
-}
-
-static vpx_codec_err_t decoder_get_si(vpx_codec_alg_priv_t *ctx,
-                                      vpx_codec_stream_info_t *si) {
-  const size_t sz = (si->sz >= sizeof(vp10_stream_info_t))
-                       ? sizeof(vp10_stream_info_t)
-                       : sizeof(vpx_codec_stream_info_t);
-  memcpy(si, &ctx->si, sz);
-  si->sz = (unsigned int)sz;
-
-  return VPX_CODEC_OK;
-}
-
-static void set_error_detail(vpx_codec_alg_priv_t *ctx,
-                             const char *const error) {
-  ctx->base.err_detail = error;
-}
-
-static vpx_codec_err_t update_error_state(vpx_codec_alg_priv_t *ctx,
-                           const struct vpx_internal_error_info *error) {
-  if (error->error_code)
-    set_error_detail(ctx, error->has_detail ? error->detail : NULL);
-
-  return error->error_code;
-}
-
-static void init_buffer_callbacks(vpx_codec_alg_priv_t *ctx) {
-  int i;
-
-  for (i = 0; i < ctx->num_frame_workers; ++i) {
-    VPxWorker *const worker = &ctx->frame_workers[i];
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    VP9_COMMON *const cm = &frame_worker_data->pbi->common;
-    BufferPool *const pool = cm->buffer_pool;
-
-    cm->new_fb_idx = INVALID_IDX;
-    cm->byte_alignment = ctx->byte_alignment;
-    cm->skip_loop_filter = ctx->skip_loop_filter;
-
-    if (ctx->get_ext_fb_cb != NULL && ctx->release_ext_fb_cb != NULL) {
-      pool->get_fb_cb = ctx->get_ext_fb_cb;
-      pool->release_fb_cb = ctx->release_ext_fb_cb;
-      pool->cb_priv = ctx->ext_priv;
-    } else {
-      pool->get_fb_cb = vp10_get_frame_buffer;
-      pool->release_fb_cb = vp10_release_frame_buffer;
-
-      if (vp10_alloc_internal_frame_buffers(&pool->int_frame_buffers))
-        vpx_internal_error(&cm->error, VPX_CODEC_MEM_ERROR,
-                           "Failed to initialize internal frame buffers");
-
-      pool->cb_priv = &pool->int_frame_buffers;
-    }
-  }
-}
-
-static void set_default_ppflags(vp8_postproc_cfg_t *cfg) {
-  cfg->post_proc_flag = VP8_DEBLOCK | VP8_DEMACROBLOCK;
-  cfg->deblocking_level = 4;
-  cfg->noise_level = 0;
-}
-
-static void set_ppflags(const vpx_codec_alg_priv_t *ctx,
-                        vp10_ppflags_t *flags) {
-  flags->post_proc_flag =
-      ctx->postproc_cfg.post_proc_flag;
-
-  flags->deblocking_level = ctx->postproc_cfg.deblocking_level;
-  flags->noise_level = ctx->postproc_cfg.noise_level;
-}
-
-static int frame_worker_hook(void *arg1, void *arg2) {
-  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)arg1;
-  const uint8_t *data = frame_worker_data->data;
-  (void)arg2;
-
-  frame_worker_data->result =
-      vp10_receive_compressed_data(frame_worker_data->pbi,
-                                  frame_worker_data->data_size,
-                                  &data);
-  frame_worker_data->data_end = data;
-
-  if (frame_worker_data->pbi->frame_parallel_decode) {
-    // In frame parallel decoding, a worker thread must successfully decode all
-    // the compressed data.
-    if (frame_worker_data->result != 0 ||
-        frame_worker_data->data + frame_worker_data->data_size - 1 > data) {
-      VPxWorker *const worker = frame_worker_data->pbi->frame_worker_owner;
-      BufferPool *const pool = frame_worker_data->pbi->common.buffer_pool;
-      // Signal all the other threads that are waiting for this frame.
-      vp10_frameworker_lock_stats(worker);
-      frame_worker_data->frame_context_ready = 1;
-      lock_buffer_pool(pool);
-      frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
-      unlock_buffer_pool(pool);
-      frame_worker_data->pbi->need_resync = 1;
-      vp10_frameworker_signal_stats(worker);
-      vp10_frameworker_unlock_stats(worker);
-      return 0;
-    }
-  } else if (frame_worker_data->result != 0) {
-    // Check decode result in serial decode.
-    frame_worker_data->pbi->cur_buf->buf.corrupted = 1;
-    frame_worker_data->pbi->need_resync = 1;
-  }
-  return !frame_worker_data->result;
-}
-
-static vpx_codec_err_t init_decoder(vpx_codec_alg_priv_t *ctx) {
-  int i;
-  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-
-  ctx->last_show_frame = -1;
-  ctx->next_submit_worker_id = 0;
-  ctx->last_submit_worker_id = 0;
-  ctx->next_output_worker_id = 0;
-  ctx->frame_cache_read = 0;
-  ctx->frame_cache_write = 0;
-  ctx->num_cache_frames = 0;
-  ctx->need_resync = 1;
-  ctx->num_frame_workers =
-      (ctx->frame_parallel_decode == 1) ? ctx->cfg.threads: 1;
-  if (ctx->num_frame_workers > MAX_DECODE_THREADS)
-    ctx->num_frame_workers = MAX_DECODE_THREADS;
-  ctx->available_threads = ctx->num_frame_workers;
-  ctx->flushed = 0;
-
-  ctx->buffer_pool = (BufferPool *)vpx_calloc(1, sizeof(BufferPool));
-  if (ctx->buffer_pool == NULL)
-    return VPX_CODEC_MEM_ERROR;
-
-#if CONFIG_MULTITHREAD
-    if (pthread_mutex_init(&ctx->buffer_pool->pool_mutex, NULL)) {
-      set_error_detail(ctx, "Failed to allocate buffer pool mutex");
-      return VPX_CODEC_MEM_ERROR;
-    }
-#endif
-
-  ctx->frame_workers = (VPxWorker *)
-      vpx_malloc(ctx->num_frame_workers * sizeof(*ctx->frame_workers));
-  if (ctx->frame_workers == NULL) {
-    set_error_detail(ctx, "Failed to allocate frame_workers");
-    return VPX_CODEC_MEM_ERROR;
-  }
-
-  for (i = 0; i < ctx->num_frame_workers; ++i) {
-    VPxWorker *const worker = &ctx->frame_workers[i];
-    FrameWorkerData *frame_worker_data = NULL;
-    winterface->init(worker);
-    worker->data1 = vpx_memalign(32, sizeof(FrameWorkerData));
-    if (worker->data1 == NULL) {
-      set_error_detail(ctx, "Failed to allocate frame_worker_data");
-      return VPX_CODEC_MEM_ERROR;
-    }
-    frame_worker_data = (FrameWorkerData *)worker->data1;
-    frame_worker_data->pbi = vp10_decoder_create(ctx->buffer_pool);
-    if (frame_worker_data->pbi == NULL) {
-      set_error_detail(ctx, "Failed to allocate frame_worker_data");
-      return VPX_CODEC_MEM_ERROR;
-    }
-    frame_worker_data->pbi->frame_worker_owner = worker;
-    frame_worker_data->worker_id = i;
-    frame_worker_data->scratch_buffer = NULL;
-    frame_worker_data->scratch_buffer_size = 0;
-    frame_worker_data->frame_context_ready = 0;
-    frame_worker_data->received_frame = 0;
-#if CONFIG_MULTITHREAD
-    if (pthread_mutex_init(&frame_worker_data->stats_mutex, NULL)) {
-      set_error_detail(ctx, "Failed to allocate frame_worker_data mutex");
-      return VPX_CODEC_MEM_ERROR;
-    }
-
-    if (pthread_cond_init(&frame_worker_data->stats_cond, NULL)) {
-      set_error_detail(ctx, "Failed to allocate frame_worker_data cond");
-      return VPX_CODEC_MEM_ERROR;
-    }
-#endif
-    // If decoding in serial mode, FrameWorker thread could create tile worker
-    // thread or loopfilter thread.
-    frame_worker_data->pbi->max_threads =
-        (ctx->frame_parallel_decode == 0) ? ctx->cfg.threads : 0;
-
-    frame_worker_data->pbi->inv_tile_order = ctx->invert_tile_order;
-    frame_worker_data->pbi->frame_parallel_decode = ctx->frame_parallel_decode;
-    frame_worker_data->pbi->common.frame_parallel_decode =
-        ctx->frame_parallel_decode;
-    worker->hook = (VPxWorkerHook)frame_worker_hook;
-    if (!winterface->reset(worker)) {
-      set_error_detail(ctx, "Frame Worker thread creation failed");
-      return VPX_CODEC_MEM_ERROR;
-    }
-  }
-
-  // If postprocessing was enabled by the application and a
-  // configuration has not been provided, default it.
-  if (!ctx->postproc_cfg_set &&
-      (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
-    set_default_ppflags(&ctx->postproc_cfg);
-
-  init_buffer_callbacks(ctx);
-
-  return VPX_CODEC_OK;
-}
-
-static INLINE void check_resync(vpx_codec_alg_priv_t *const ctx,
-                                const VP9Decoder *const pbi) {
-  // Clear resync flag if worker got a key frame or intra only frame.
-  if (ctx->need_resync == 1 && pbi->need_resync == 0 &&
-      (pbi->common.intra_only || pbi->common.frame_type == KEY_FRAME))
-    ctx->need_resync = 0;
-}
-
-static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx,
-                                  const uint8_t **data, unsigned int data_sz,
-                                  void *user_priv, int64_t deadline) {
-  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-  (void)deadline;
-
-  // Determine the stream parameters. Note that we rely on peek_si to
-  // validate that we have a buffer that does not wrap around the top
-  // of the heap.
-  if (!ctx->si.h) {
-    int is_intra_only = 0;
-    const vpx_codec_err_t res =
-        decoder_peek_si_internal(*data, data_sz, &ctx->si, &is_intra_only,
-                                 ctx->decrypt_cb, ctx->decrypt_state);
-    if (res != VPX_CODEC_OK)
-      return res;
-
-    if (!ctx->si.is_kf && !is_intra_only)
-      return VPX_CODEC_ERROR;
-  }
-
-  if (!ctx->frame_parallel_decode) {
-    VPxWorker *const worker = ctx->frame_workers;
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    frame_worker_data->data = *data;
-    frame_worker_data->data_size = data_sz;
-    frame_worker_data->user_priv = user_priv;
-    frame_worker_data->received_frame = 1;
-
-    // Set these even if already initialized.  The caller may have changed the
-    // decrypt config between frames.
-    frame_worker_data->pbi->decrypt_cb = ctx->decrypt_cb;
-    frame_worker_data->pbi->decrypt_state = ctx->decrypt_state;
-
-    worker->had_error = 0;
-    winterface->execute(worker);
-
-    // Update data pointer after decode.
-    *data = frame_worker_data->data_end;
-
-    if (worker->had_error)
-      return update_error_state(ctx, &frame_worker_data->pbi->common.error);
-
-    check_resync(ctx, frame_worker_data->pbi);
-  } else {
-    VPxWorker *const worker = &ctx->frame_workers[ctx->next_submit_worker_id];
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    // Copy context from last worker thread to next worker thread.
-    if (ctx->next_submit_worker_id != ctx->last_submit_worker_id)
-      vp10_frameworker_copy_context(
-          &ctx->frame_workers[ctx->next_submit_worker_id],
-          &ctx->frame_workers[ctx->last_submit_worker_id]);
-
-    frame_worker_data->pbi->ready_for_new_data = 0;
-    // Copy the compressed data into worker's internal buffer.
-    // TODO(hkuang): Will all the workers allocate the same size
-    // as the size of the first intra frame be better? This will
-    // avoid too many deallocate and allocate.
-    if (frame_worker_data->scratch_buffer_size < data_sz) {
-      frame_worker_data->scratch_buffer =
-          (uint8_t *)vpx_realloc(frame_worker_data->scratch_buffer, data_sz);
-      if (frame_worker_data->scratch_buffer == NULL) {
-        set_error_detail(ctx, "Failed to reallocate scratch buffer");
-        return VPX_CODEC_MEM_ERROR;
-      }
-      frame_worker_data->scratch_buffer_size = data_sz;
-    }
-    frame_worker_data->data_size = data_sz;
-    memcpy(frame_worker_data->scratch_buffer, *data, data_sz);
-
-    frame_worker_data->frame_decoded = 0;
-    frame_worker_data->frame_context_ready = 0;
-    frame_worker_data->received_frame = 1;
-    frame_worker_data->data = frame_worker_data->scratch_buffer;
-    frame_worker_data->user_priv = user_priv;
-
-    if (ctx->next_submit_worker_id != ctx->last_submit_worker_id)
-      ctx->last_submit_worker_id =
-          (ctx->last_submit_worker_id + 1) % ctx->num_frame_workers;
-
-    ctx->next_submit_worker_id =
-        (ctx->next_submit_worker_id + 1) % ctx->num_frame_workers;
-    --ctx->available_threads;
-    worker->had_error = 0;
-    winterface->launch(worker);
-  }
-
-  return VPX_CODEC_OK;
-}
-
-static void wait_worker_and_cache_frame(vpx_codec_alg_priv_t *ctx) {
-  YV12_BUFFER_CONFIG sd;
-  vp10_ppflags_t flags = {0, 0, 0};
-  const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-  VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
-  FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-  ctx->next_output_worker_id =
-      (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
-  // TODO(hkuang): Add worker error handling here.
-  winterface->sync(worker);
-  frame_worker_data->received_frame = 0;
-  ++ctx->available_threads;
-
-  check_resync(ctx, frame_worker_data->pbi);
-
-  if (vp10_get_raw_frame(frame_worker_data->pbi, &sd, &flags) == 0) {
-    VP9_COMMON *const cm = &frame_worker_data->pbi->common;
-    RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
-    ctx->frame_cache[ctx->frame_cache_write].fb_idx = cm->new_fb_idx;
-    yuvconfig2image(&ctx->frame_cache[ctx->frame_cache_write].img, &sd,
-                    frame_worker_data->user_priv);
-    ctx->frame_cache[ctx->frame_cache_write].img.fb_priv =
-        frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
-    ctx->frame_cache_write =
-        (ctx->frame_cache_write + 1) % FRAME_CACHE_SIZE;
-    ++ctx->num_cache_frames;
-  }
-}
-
-static vpx_codec_err_t decoder_decode(vpx_codec_alg_priv_t *ctx,
-                                      const uint8_t *data, unsigned int data_sz,
-                                      void *user_priv, long deadline) {
-  const uint8_t *data_start = data;
-  const uint8_t * const data_end = data + data_sz;
-  vpx_codec_err_t res;
-  uint32_t frame_sizes[8];
-  int frame_count;
-
-  if (data == NULL && data_sz == 0) {
-    ctx->flushed = 1;
-    return VPX_CODEC_OK;
-  }
-
-  // Reset flushed when receiving a valid frame.
-  ctx->flushed = 0;
-
-  // Initialize the decoder workers on the first frame.
-  if (ctx->frame_workers == NULL) {
-    const vpx_codec_err_t res = init_decoder(ctx);
-    if (res != VPX_CODEC_OK)
-      return res;
-  }
-
-  res = vp10_parse_superframe_index(data, data_sz, frame_sizes, &frame_count,
-                                   ctx->decrypt_cb, ctx->decrypt_state);
-  if (res != VPX_CODEC_OK)
-    return res;
-
-  if (ctx->frame_parallel_decode) {
-    // Decode in frame parallel mode. When decoding in this mode, the frame
-    // passed to the decoder must be either a normal frame or a superframe with
-    // superframe index so the decoder could get each frame's start position
-    // in the superframe.
-    if (frame_count > 0) {
-      int i;
-
-      for (i = 0; i < frame_count; ++i) {
-        const uint8_t *data_start_copy = data_start;
-        const uint32_t frame_size = frame_sizes[i];
-        if (data_start < data
-            || frame_size > (uint32_t) (data_end - data_start)) {
-          set_error_detail(ctx, "Invalid frame size in index");
-          return VPX_CODEC_CORRUPT_FRAME;
-        }
-
-        if (ctx->available_threads == 0) {
-          // No more threads for decoding. Wait until the next output worker
-          // finishes decoding. Then copy the decoded frame into cache.
-          if (ctx->num_cache_frames < FRAME_CACHE_SIZE) {
-            wait_worker_and_cache_frame(ctx);
-          } else {
-            // TODO(hkuang): Add unit test to test this path.
-            set_error_detail(ctx, "Frame output cache is full.");
-            return VPX_CODEC_ERROR;
-          }
-        }
-
-        res = decode_one(ctx, &data_start_copy, frame_size, user_priv,
-                         deadline);
-        if (res != VPX_CODEC_OK)
-          return res;
-        data_start += frame_size;
-      }
-    } else {
-      if (ctx->available_threads == 0) {
-        // No more threads for decoding. Wait until the next output worker
-        // finishes decoding. Then copy the decoded frame into cache.
-        if (ctx->num_cache_frames < FRAME_CACHE_SIZE) {
-          wait_worker_and_cache_frame(ctx);
-        } else {
-          // TODO(hkuang): Add unit test to test this path.
-          set_error_detail(ctx, "Frame output cache is full.");
-          return VPX_CODEC_ERROR;
-        }
-      }
-
-      res = decode_one(ctx, &data, data_sz, user_priv, deadline);
-      if (res != VPX_CODEC_OK)
-        return res;
-    }
-  } else {
-    // Decode in serial mode.
-    if (frame_count > 0) {
-      int i;
-
-      for (i = 0; i < frame_count; ++i) {
-        const uint8_t *data_start_copy = data_start;
-        const uint32_t frame_size = frame_sizes[i];
-        vpx_codec_err_t res;
-        if (data_start < data
-            || frame_size > (uint32_t) (data_end - data_start)) {
-          set_error_detail(ctx, "Invalid frame size in index");
-          return VPX_CODEC_CORRUPT_FRAME;
-        }
-
-        res = decode_one(ctx, &data_start_copy, frame_size, user_priv,
-                         deadline);
-        if (res != VPX_CODEC_OK)
-          return res;
-
-        data_start += frame_size;
-      }
-    } else {
-      while (data_start < data_end) {
-        const uint32_t frame_size = (uint32_t) (data_end - data_start);
-        const vpx_codec_err_t res = decode_one(ctx, &data_start, frame_size,
-                                               user_priv, deadline);
-        if (res != VPX_CODEC_OK)
-          return res;
-
-        // Account for suboptimal termination by the encoder.
-        while (data_start < data_end) {
-          const uint8_t marker = read_marker(ctx->decrypt_cb,
-                                             ctx->decrypt_state, data_start);
-          if (marker)
-            break;
-          ++data_start;
-        }
-      }
-    }
-  }
-
-  return res;
-}
-
-static void release_last_output_frame(vpx_codec_alg_priv_t *ctx) {
-  RefCntBuffer *const frame_bufs = ctx->buffer_pool->frame_bufs;
-  // Decrease reference count of last output frame in frame parallel mode.
-  if (ctx->frame_parallel_decode && ctx->last_show_frame >= 0) {
-    BufferPool *const pool = ctx->buffer_pool;
-    lock_buffer_pool(pool);
-    decrease_ref_count(ctx->last_show_frame, frame_bufs, pool);
-    unlock_buffer_pool(pool);
-  }
-}
-
-static vpx_image_t *decoder_get_frame(vpx_codec_alg_priv_t *ctx,
-                                      vpx_codec_iter_t *iter) {
-  vpx_image_t *img = NULL;
-
-  // Only return frame when all the cpu are busy or
-  // application fluhsed the decoder in frame parallel decode.
-  if (ctx->frame_parallel_decode && ctx->available_threads > 0 &&
-      !ctx->flushed) {
-    return NULL;
-  }
-
-  // Output the frames in the cache first.
-  if (ctx->num_cache_frames > 0) {
-    release_last_output_frame(ctx);
-    ctx->last_show_frame  = ctx->frame_cache[ctx->frame_cache_read].fb_idx;
-    if (ctx->need_resync)
-      return NULL;
-    img = &ctx->frame_cache[ctx->frame_cache_read].img;
-    ctx->frame_cache_read = (ctx->frame_cache_read + 1) % FRAME_CACHE_SIZE;
-    --ctx->num_cache_frames;
-    return img;
-  }
-
-  // iter acts as a flip flop, so an image is only returned on the first
-  // call to get_frame.
-  if (*iter == NULL && ctx->frame_workers != NULL) {
-    do {
-      YV12_BUFFER_CONFIG sd;
-      vp10_ppflags_t flags = {0, 0, 0};
-      const VPxWorkerInterface *const winterface = vpx_get_worker_interface();
-      VPxWorker *const worker =
-          &ctx->frame_workers[ctx->next_output_worker_id];
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      ctx->next_output_worker_id =
-          (ctx->next_output_worker_id + 1) % ctx->num_frame_workers;
-      if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
-        set_ppflags(ctx, &flags);
-      // Wait for the frame from worker thread.
-      if (winterface->sync(worker)) {
-        // Check if worker has received any frames.
-        if (frame_worker_data->received_frame == 1) {
-          ++ctx->available_threads;
-          frame_worker_data->received_frame = 0;
-          check_resync(ctx, frame_worker_data->pbi);
-        }
-        if (vp10_get_raw_frame(frame_worker_data->pbi, &sd, &flags) == 0) {
-          VP9_COMMON *const cm = &frame_worker_data->pbi->common;
-          RefCntBuffer *const frame_bufs = cm->buffer_pool->frame_bufs;
-          release_last_output_frame(ctx);
-          ctx->last_show_frame = frame_worker_data->pbi->common.new_fb_idx;
-          if (ctx->need_resync)
-            return NULL;
-          yuvconfig2image(&ctx->img, &sd, frame_worker_data->user_priv);
-          ctx->img.fb_priv = frame_bufs[cm->new_fb_idx].raw_frame_buffer.priv;
-          img = &ctx->img;
-          return img;
-        }
-      } else {
-        // Decoding failed. Release the worker thread.
-        frame_worker_data->received_frame = 0;
-        ++ctx->available_threads;
-        ctx->need_resync = 1;
-        if (ctx->flushed != 1)
-          return NULL;
-      }
-    } while (ctx->next_output_worker_id != ctx->next_submit_worker_id);
-  }
-  return NULL;
-}
-
-static vpx_codec_err_t decoder_set_fb_fn(
-    vpx_codec_alg_priv_t *ctx,
-    vpx_get_frame_buffer_cb_fn_t cb_get,
-    vpx_release_frame_buffer_cb_fn_t cb_release, void *cb_priv) {
-  if (cb_get == NULL || cb_release == NULL) {
-    return VPX_CODEC_INVALID_PARAM;
-  } else if (ctx->frame_workers == NULL) {
-    // If the decoder has already been initialized, do not accept changes to
-    // the frame buffer functions.
-    ctx->get_ext_fb_cb = cb_get;
-    ctx->release_ext_fb_cb = cb_release;
-    ctx->ext_priv = cb_priv;
-    return VPX_CODEC_OK;
-  }
-
-  return VPX_CODEC_ERROR;
-}
-
-static vpx_codec_err_t ctrl_set_reference(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  vpx_ref_frame_t *const data = va_arg(args, vpx_ref_frame_t *);
-
-  // Only support this function in serial decode.
-  if (ctx->frame_parallel_decode) {
-    set_error_detail(ctx, "Not supported in frame parallel decode");
-    return VPX_CODEC_INCAPABLE;
-  }
-
-  if (data) {
-    vpx_ref_frame_t *const frame = (vpx_ref_frame_t *)data;
-    YV12_BUFFER_CONFIG sd;
-    VPxWorker *const worker = ctx->frame_workers;
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    image2yuvconfig(&frame->img, &sd);
-    return vp10_set_reference_dec(&frame_worker_data->pbi->common,
-                                 (VP9_REFFRAME)frame->frame_type, &sd);
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_copy_reference(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
-
-  // Only support this function in serial decode.
-  if (ctx->frame_parallel_decode) {
-    set_error_detail(ctx, "Not supported in frame parallel decode");
-    return VPX_CODEC_INCAPABLE;
-  }
-
-  if (data) {
-    vpx_ref_frame_t *frame = (vpx_ref_frame_t *) data;
-    YV12_BUFFER_CONFIG sd;
-    VPxWorker *const worker = ctx->frame_workers;
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    image2yuvconfig(&frame->img, &sd);
-    return vp10_copy_reference_dec(frame_worker_data->pbi,
-                                  (VP9_REFFRAME)frame->frame_type, &sd);
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_get_reference(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  vp9_ref_frame_t *data = va_arg(args, vp9_ref_frame_t *);
-
-  // Only support this function in serial decode.
-  if (ctx->frame_parallel_decode) {
-    set_error_detail(ctx, "Not supported in frame parallel decode");
-    return VPX_CODEC_INCAPABLE;
-  }
-
-  if (data) {
-    YV12_BUFFER_CONFIG* fb;
-    VPxWorker *const worker = ctx->frame_workers;
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    fb = get_ref_frame(&frame_worker_data->pbi->common, data->idx);
-    if (fb == NULL) return VPX_CODEC_ERROR;
-    yuvconfig2image(&data->img, fb, NULL);
-    return VPX_CODEC_OK;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-}
-
-static vpx_codec_err_t ctrl_set_postproc(vpx_codec_alg_priv_t *ctx,
-                                         va_list args) {
-#if CONFIG_VP9_POSTPROC
-  vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
-
-  if (data) {
-    ctx->postproc_cfg_set = 1;
-    ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
-    return VPX_CODEC_OK;
-  } else {
-    return VPX_CODEC_INVALID_PARAM;
-  }
-#else
-  (void)ctx;
-  (void)args;
-  return VPX_CODEC_INCAPABLE;
-#endif
-}
-
-static vpx_codec_err_t ctrl_set_dbg_options(vpx_codec_alg_priv_t *ctx,
-                                            va_list args) {
-  (void)ctx;
-  (void)args;
-  return VPX_CODEC_INCAPABLE;
-}
-
-static vpx_codec_err_t ctrl_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
-                                                 va_list args) {
-  int *const update_info = va_arg(args, int *);
-
-  // Only support this function in serial decode.
-  if (ctx->frame_parallel_decode) {
-    set_error_detail(ctx, "Not supported in frame parallel decode");
-    return VPX_CODEC_INCAPABLE;
-  }
-
-  if (update_info) {
-    if (ctx->frame_workers) {
-      VPxWorker *const worker = ctx->frame_workers;
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      *update_info = frame_worker_data->pbi->refresh_frame_flags;
-      return VPX_CODEC_OK;
-    } else {
-      return VPX_CODEC_ERROR;
-    }
-  }
-
-  return VPX_CODEC_INVALID_PARAM;
-}
-
-static vpx_codec_err_t ctrl_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
-                                                va_list args) {
-  int *corrupted = va_arg(args, int *);
-
-  if (corrupted) {
-    if (ctx->frame_workers) {
-      VPxWorker *const worker = ctx->frame_workers;
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      RefCntBuffer *const frame_bufs =
-          frame_worker_data->pbi->common.buffer_pool->frame_bufs;
-      if (frame_worker_data->pbi->common.frame_to_show == NULL)
-        return VPX_CODEC_ERROR;
-      if (ctx->last_show_frame >= 0)
-        *corrupted = frame_bufs[ctx->last_show_frame].buf.corrupted;
-      return VPX_CODEC_OK;
-    } else {
-      return VPX_CODEC_ERROR;
-    }
-  }
-
-  return VPX_CODEC_INVALID_PARAM;
-}
-
-static vpx_codec_err_t ctrl_get_frame_size(vpx_codec_alg_priv_t *ctx,
-                                           va_list args) {
-  int *const frame_size = va_arg(args, int *);
-
-  // Only support this function in serial decode.
-  if (ctx->frame_parallel_decode) {
-    set_error_detail(ctx, "Not supported in frame parallel decode");
-    return VPX_CODEC_INCAPABLE;
-  }
-
-  if (frame_size) {
-    if (ctx->frame_workers) {
-      VPxWorker *const worker = ctx->frame_workers;
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
-      frame_size[0] = cm->width;
-      frame_size[1] = cm->height;
-      return VPX_CODEC_OK;
-    } else {
-      return VPX_CODEC_ERROR;
-    }
-  }
-
-  return VPX_CODEC_INVALID_PARAM;
-}
-
-static vpx_codec_err_t ctrl_get_display_size(vpx_codec_alg_priv_t *ctx,
-                                             va_list args) {
-  int *const display_size = va_arg(args, int *);
-
-  // Only support this function in serial decode.
-  if (ctx->frame_parallel_decode) {
-    set_error_detail(ctx, "Not supported in frame parallel decode");
-    return VPX_CODEC_INCAPABLE;
-  }
-
-  if (display_size) {
-    if (ctx->frame_workers) {
-      VPxWorker *const worker = ctx->frame_workers;
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
-      display_size[0] = cm->display_width;
-      display_size[1] = cm->display_height;
-      return VPX_CODEC_OK;
-    } else {
-      return VPX_CODEC_ERROR;
-    }
-  }
-
-  return VPX_CODEC_INVALID_PARAM;
-}
-
-static vpx_codec_err_t ctrl_get_bit_depth(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  unsigned int *const bit_depth = va_arg(args, unsigned int *);
-  VPxWorker *const worker = &ctx->frame_workers[ctx->next_output_worker_id];
-
-  if (bit_depth) {
-    if (worker) {
-      FrameWorkerData *const frame_worker_data =
-          (FrameWorkerData *)worker->data1;
-      const VP9_COMMON *const cm = &frame_worker_data->pbi->common;
-      *bit_depth = cm->bit_depth;
-      return VPX_CODEC_OK;
-    } else {
-      return VPX_CODEC_ERROR;
-    }
-  }
-
-  return VPX_CODEC_INVALID_PARAM;
-}
-
-static vpx_codec_err_t ctrl_set_invert_tile_order(vpx_codec_alg_priv_t *ctx,
-                                                  va_list args) {
-  ctx->invert_tile_order = va_arg(args, int);
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_decryptor(vpx_codec_alg_priv_t *ctx,
-                                          va_list args) {
-  vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
-  ctx->decrypt_cb = init ? init->decrypt_cb : NULL;
-  ctx->decrypt_state = init ? init->decrypt_state : NULL;
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_byte_alignment(vpx_codec_alg_priv_t *ctx,
-                                               va_list args) {
-  const int legacy_byte_alignment = 0;
-  const int min_byte_alignment = 32;
-  const int max_byte_alignment = 1024;
-  const int byte_alignment = va_arg(args, int);
-
-  if (byte_alignment != legacy_byte_alignment &&
-      (byte_alignment < min_byte_alignment ||
-       byte_alignment > max_byte_alignment ||
-       (byte_alignment & (byte_alignment - 1)) != 0))
-    return VPX_CODEC_INVALID_PARAM;
-
-  ctx->byte_alignment = byte_alignment;
-  if (ctx->frame_workers) {
-    VPxWorker *const worker = ctx->frame_workers;
-    FrameWorkerData *const frame_worker_data =
-        (FrameWorkerData *)worker->data1;
-    frame_worker_data->pbi->common.byte_alignment = byte_alignment;
-  }
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_err_t ctrl_set_skip_loop_filter(vpx_codec_alg_priv_t *ctx,
-                                                 va_list args) {
-  ctx->skip_loop_filter = va_arg(args, int);
-
-  if (ctx->frame_workers) {
-    VPxWorker *const worker = ctx->frame_workers;
-    FrameWorkerData *const frame_worker_data = (FrameWorkerData *)worker->data1;
-    frame_worker_data->pbi->common.skip_loop_filter = ctx->skip_loop_filter;
-  }
-
-  return VPX_CODEC_OK;
-}
-
-static vpx_codec_ctrl_fn_map_t decoder_ctrl_maps[] = {
-  {VP8_COPY_REFERENCE,            ctrl_copy_reference},
-
-  // Setters
-  {VP8_SET_REFERENCE,             ctrl_set_reference},
-  {VP8_SET_POSTPROC,              ctrl_set_postproc},
-  {VP8_SET_DBG_COLOR_REF_FRAME,   ctrl_set_dbg_options},
-  {VP8_SET_DBG_COLOR_MB_MODES,    ctrl_set_dbg_options},
-  {VP8_SET_DBG_COLOR_B_MODES,     ctrl_set_dbg_options},
-  {VP8_SET_DBG_DISPLAY_MV,        ctrl_set_dbg_options},
-  {VP9_INVERT_TILE_DECODE_ORDER,  ctrl_set_invert_tile_order},
-  {VPXD_SET_DECRYPTOR,            ctrl_set_decryptor},
-  {VP9_SET_BYTE_ALIGNMENT,        ctrl_set_byte_alignment},
-  {VP9_SET_SKIP_LOOP_FILTER,      ctrl_set_skip_loop_filter},
-
-  // Getters
-  {VP8D_GET_LAST_REF_UPDATES,     ctrl_get_last_ref_updates},
-  {VP8D_GET_FRAME_CORRUPTED,      ctrl_get_frame_corrupted},
-  {VP9_GET_REFERENCE,             ctrl_get_reference},
-  {VP9D_GET_DISPLAY_SIZE,         ctrl_get_display_size},
-  {VP9D_GET_BIT_DEPTH,            ctrl_get_bit_depth},
-  {VP9D_GET_FRAME_SIZE,           ctrl_get_frame_size},
-
-  { -1, NULL},
-};
-
-#ifndef VERSION_STRING
-#define VERSION_STRING
-#endif
-CODEC_INTERFACE(vpx_codec_vp10_dx) = {
-  "WebM Project VP10 Decoder" VERSION_STRING,
-  VPX_CODEC_INTERNAL_ABI_VERSION,
-  VPX_CODEC_CAP_DECODER | VP9_CAP_POSTPROC |
-      VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER,  // vpx_codec_caps_t
-  decoder_init,       // vpx_codec_init_fn_t
-  decoder_destroy,    // vpx_codec_destroy_fn_t
-  decoder_ctrl_maps,  // vpx_codec_ctrl_fn_map_t
-  { // NOLINT
-    decoder_peek_si,    // vpx_codec_peek_si_fn_t
-    decoder_get_si,     // vpx_codec_get_si_fn_t
-    decoder_decode,     // vpx_codec_decode_fn_t
-    decoder_get_frame,  // vpx_codec_frame_get_fn_t
-    decoder_set_fb_fn,  // vpx_codec_set_fb_fn_t
-  },
-  { // NOLINT
-    0,
-    NULL,  // vpx_codec_enc_cfg_map_t
-    NULL,  // vpx_codec_encode_fn_t
-    NULL,  // vpx_codec_get_cx_data_fn_t
-    NULL,  // vpx_codec_enc_config_set_fn_t
-    NULL,  // vpx_codec_get_global_headers_fn_t
-    NULL,  // vpx_codec_get_preview_frame_fn_t
-    NULL   // vpx_codec_enc_mr_get_mem_loc_fn_t
-  }
-};
--- a/vp10/vp9_iface_common.h
+++ /dev/null
@@ -1,130 +1,0 @@
-/*
- *  Copyright (c) 2013 The WebM project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-#ifndef VP9_VP9_IFACE_COMMON_H_
-#define VP9_VP9_IFACE_COMMON_H_
-
-#include "vpx_ports/mem.h"
-
-static void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG  *yv12,
-                            void *user_priv) {
-  /** vpx_img_wrap() doesn't allow specifying independent strides for
-    * the Y, U, and V planes, nor other alignment adjustments that
-    * might be representable by a YV12_BUFFER_CONFIG, so we just
-    * initialize all the fields.*/
-  int bps;
-  if (!yv12->subsampling_y) {
-    if (!yv12->subsampling_x) {
-      img->fmt = VPX_IMG_FMT_I444;
-      bps = 24;
-    } else {
-      img->fmt = VPX_IMG_FMT_I422;
-      bps = 16;
-    }
-  } else {
-    if (!yv12->subsampling_x) {
-      img->fmt = VPX_IMG_FMT_I440;
-      bps = 16;
-    } else {
-      img->fmt = VPX_IMG_FMT_I420;
-      bps = 12;
-    }
-  }
-  img->cs = yv12->color_space;
-  img->bit_depth = 8;
-  img->w = yv12->y_stride;
-  img->h = ALIGN_POWER_OF_TWO(yv12->y_height + 2 * VP9_ENC_BORDER_IN_PIXELS, 3);
-  img->d_w = yv12->y_crop_width;
-  img->d_h = yv12->y_crop_height;
-  img->x_chroma_shift = yv12->subsampling_x;
-  img->y_chroma_shift = yv12->subsampling_y;
-  img->planes[VPX_PLANE_Y] = yv12->y_buffer;
-  img->planes[VPX_PLANE_U] = yv12->u_buffer;
-  img->planes[VPX_PLANE_V] = yv12->v_buffer;
-  img->planes[VPX_PLANE_ALPHA] = NULL;
-  img->stride[VPX_PLANE_Y] = yv12->y_stride;
-  img->stride[VPX_PLANE_U] = yv12->uv_stride;
-  img->stride[VPX_PLANE_V] = yv12->uv_stride;
-  img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
-#if CONFIG_VP9_HIGHBITDEPTH
-  if (yv12->flags & YV12_FLAG_HIGHBITDEPTH) {
-    // vpx_image_t uses byte strides and a pointer to the first byte
-    // of the image.
-    img->fmt |= VPX_IMG_FMT_HIGHBITDEPTH;
-    img->bit_depth = yv12->bit_depth;
-    img->planes[VPX_PLANE_Y] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->y_buffer);
-    img->planes[VPX_PLANE_U] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->u_buffer);
-    img->planes[VPX_PLANE_V] = (uint8_t*)CONVERT_TO_SHORTPTR(yv12->v_buffer);
-    img->planes[VPX_PLANE_ALPHA] = NULL;
-    img->stride[VPX_PLANE_Y] = 2 * yv12->y_stride;
-    img->stride[VPX_PLANE_U] = 2 * yv12->uv_stride;
-    img->stride[VPX_PLANE_V] = 2 * yv12->uv_stride;
-    img->stride[VPX_PLANE_ALPHA] = 2 * yv12->y_stride;
-  }
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-  img->bps = bps;
-  img->user_priv = user_priv;
-  img->img_data = yv12->buffer_alloc;
-  img->img_data_owner = 0;
-  img->self_allocd = 0;
-}
-
-static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
-                                       YV12_BUFFER_CONFIG *yv12) {
-  yv12->y_buffer = img->planes[VPX_PLANE_Y];
-  yv12->u_buffer = img->planes[VPX_PLANE_U];
-  yv12->v_buffer = img->planes[VPX_PLANE_V];
-
-  yv12->y_crop_width  = img->d_w;
-  yv12->y_crop_height = img->d_h;
-  yv12->y_width  = img->d_w;
-  yv12->y_height = img->d_h;
-
-  yv12->uv_width = img->x_chroma_shift == 1 ? (1 + yv12->y_width) / 2
-                                            : yv12->y_width;
-  yv12->uv_height = img->y_chroma_shift == 1 ? (1 + yv12->y_height) / 2
-                                             : yv12->y_height;
-  yv12->uv_crop_width = yv12->uv_width;
-  yv12->uv_crop_height = yv12->uv_height;
-
-  yv12->y_stride = img->stride[VPX_PLANE_Y];
-  yv12->uv_stride = img->stride[VPX_PLANE_U];
-  yv12->color_space = img->cs;
-
-#if CONFIG_VP9_HIGHBITDEPTH
-  if (img->fmt & VPX_IMG_FMT_HIGHBITDEPTH) {
-    // In vpx_image_t
-    //     planes point to uint8 address of start of data
-    //     stride counts uint8s to reach next row
-    // In YV12_BUFFER_CONFIG
-    //     y_buffer, u_buffer, v_buffer point to uint16 address of data
-    //     stride and border counts in uint16s
-    // This means that all the address calculations in the main body of code
-    // should work correctly.
-    // However, before we do any pixel operations we need to cast the address
-    // to a uint16 ponter and double its value.
-    yv12->y_buffer = CONVERT_TO_BYTEPTR(yv12->y_buffer);
-    yv12->u_buffer = CONVERT_TO_BYTEPTR(yv12->u_buffer);
-    yv12->v_buffer = CONVERT_TO_BYTEPTR(yv12->v_buffer);
-    yv12->y_stride >>= 1;
-    yv12->uv_stride >>= 1;
-    yv12->flags = YV12_FLAG_HIGHBITDEPTH;
-  } else {
-    yv12->flags = 0;
-  }
-  yv12->border  = (yv12->y_stride - img->w) / 2;
-#else
-  yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
-#endif  // CONFIG_VP9_HIGHBITDEPTH
-  yv12->subsampling_x = img->x_chroma_shift;
-  yv12->subsampling_y = img->y_chroma_shift;
-  return VPX_CODEC_OK;
-}
-
-#endif  // VP9_VP9_IFACE_COMMON_H_