ref: a6ff3965768bbaab5819ac3b9f946e62cfce7619
dir: /vp9/vp9_cx_iface.c/
/* * 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_ports/system_state.h" #include "vpx/internal/vpx_codec_internal.h" #include "./vpx_version.h" #include "vp9/encoder/vp9_encoder.h" #include "vpx/vp8cx.h" #include "vp9/encoder/vp9_firstpass.h" #include "vp9/vp9_iface_common.h" struct vp9_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 target_level; unsigned int frame_parallel_decoding_mode; AQ_MODE aq_mode; int alt_ref_aq; unsigned int frame_periodic_boost; vpx_bit_depth_t bit_depth; vp9e_tune_content content; vpx_color_space_t color_space; vpx_color_range_t color_range; int render_width; int render_height; unsigned int row_mt; unsigned int motion_vector_unit_test; }; static struct vp9_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 255, // target_level 1, // frame_parallel_decoding_mode NO_AQ, // aq_mode 0, // alt_ref_aq 0, // frame_periodic_delta_q VPX_BITS_8, // Bit depth VP9E_CONTENT_DEFAULT, // content VPX_CS_UNKNOWN, // color space 0, // color range 0, // render width 0, // render height 0, // row_mt 0, // motion_vector_unit_test }; struct vpx_codec_alg_priv { vpx_codec_priv_t base; vpx_codec_enc_cfg_t cfg; struct vp9_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 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 vp9_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, 1000000000); 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_BOOL(extra_cfg, frame_parallel_decoding_mode); RANGE_CHECK(extra_cfg, aq_mode, 0, AQ_MODE_COUNT - 2); RANGE_CHECK(extra_cfg, alt_ref_aq, 0, 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, rc_2pass_vbr_corpus_complexity, 0, 10000); 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); #if CONFIG_REALTIME_ONLY RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_ONE_PASS); #else RANGE_CHECK(cfg, g_pass, VPX_RC_ONE_PASS, VPX_RC_LAST_PASS); #endif 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)); } // For formation of valid ARF groups lag_in _frames should be 0 or greater // than the max_gf_interval + 2 if (cfg->g_lag_in_frames > 0 && extra_cfg->max_gf_interval > 0 && cfg->g_lag_in_frames < extra_cfg->max_gf_interval + 2) { ERROR("Set lag in frames to 0 (low delay) or >= (max-gf-interval + 2)"); } 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); { unsigned int level = extra_cfg->target_level; if (level != LEVEL_1 && level != LEVEL_1_1 && level != LEVEL_2 && level != LEVEL_2_1 && level != LEVEL_3 && level != LEVEL_3_1 && level != LEVEL_4 && level != LEVEL_4_1 && level != LEVEL_5 && level != LEVEL_5_1 && level != LEVEL_5_2 && level != LEVEL_6 && level != LEVEL_6_1 && level != LEVEL_6_2 && level != LEVEL_UNKNOWN && level != LEVEL_AUTO && level != LEVEL_MAX) ERROR("target_level is invalid"); } 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"); } // 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, row_mt, 0, 1); RANGE_CHECK(extra_cfg, motion_vector_unit_test, 0, 2); 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 !CONFIG_REALTIME_ONLY 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"); } } #endif // !CONFIG_REALTIME_ONLY #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); RANGE_CHECK(extra_cfg, color_range, VPX_CR_STUDIO_RANGE, VPX_CR_FULL_RANGE); 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; } // Modify the encoder config for the target level. static void config_target_level(VP9EncoderConfig *oxcf) { double max_average_bitrate; // in bits per second int max_over_shoot_pct; const int target_level_index = get_level_index(oxcf->target_level); vpx_clear_system_state(); assert(target_level_index >= 0); assert(target_level_index < VP9_LEVELS); // Maximum target bit-rate is level_limit * 80%. max_average_bitrate = vp9_level_defs[target_level_index].average_bitrate * 800.0; if ((double)oxcf->target_bandwidth > max_average_bitrate) oxcf->target_bandwidth = (int64_t)(max_average_bitrate); if (oxcf->ss_number_layers == 1 && oxcf->pass != 0) oxcf->ss_target_bitrate[0] = (int)oxcf->target_bandwidth; // Adjust max over-shoot percentage. max_over_shoot_pct = (int)((max_average_bitrate * 1.10 - (double)oxcf->target_bandwidth) * 100 / (double)(oxcf->target_bandwidth)); if (oxcf->over_shoot_pct > max_over_shoot_pct) oxcf->over_shoot_pct = max_over_shoot_pct; // Adjust worst allowed quantizer. oxcf->worst_allowed_q = vp9_quantizer_to_qindex(63); // Adjust minimum art-ref distance. // min_gf_interval should be no less than min_altref_distance + 1, // as the encoder may produce bitstream with alt-ref distance being // min_gf_interval - 1. if (oxcf->min_gf_interval <= (int)vp9_level_defs[target_level_index].min_altref_distance) { oxcf->min_gf_interval = (int)vp9_level_defs[target_level_index].min_altref_distance + 1; // If oxcf->max_gf_interval == 0, it will be assigned with a default value // in vp9_rc_set_gf_interval_range(). if (oxcf->max_gf_interval != 0) { oxcf->max_gf_interval = VPXMAX(oxcf->max_gf_interval, oxcf->min_gf_interval); } } // Adjust maximum column tiles. if (vp9_level_defs[target_level_index].max_col_tiles < (1 << oxcf->tile_columns)) { while (oxcf->tile_columns > 0 && vp9_level_defs[target_level_index].max_col_tiles < (1 << oxcf->tile_columns)) --oxcf->tile_columns; } } static vpx_codec_err_t set_encoder_config( VP9EncoderConfig *oxcf, const vpx_codec_enc_cfg_t *cfg, const struct vp9_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 : vp9_quantizer_to_qindex(cfg->rc_min_quantizer); oxcf->worst_allowed_q = extra_cfg->lossless ? 0 : vp9_quantizer_to_qindex(cfg->rc_max_quantizer); oxcf->cq_level = vp9_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->vbr_corpus_complexity = cfg->rc_2pass_vbr_corpus_complexity; 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->color_range = extra_cfg->color_range; oxcf->render_width = extra_cfg->render_width; oxcf->render_height = extra_cfg->render_height; 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; // TODO(yunqing): The dependencies between row tiles cause error in multi- // threaded encoding. For now, tile_rows is forced to be 0 in this case. // The further fix can be done by adding synchronizations after a tile row // is encoded. But this will hurt multi-threaded encoder performance. So, // it is recommended to use tile-rows=0 while encoding with threads > 1. if (oxcf->max_threads > 1 && oxcf->tile_columns > 0) oxcf->tile_rows = 0; else 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->alt_ref_aq = extra_cfg->alt_ref_aq; 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; oxcf->target_level = extra_cfg->target_level; oxcf->row_mt = extra_cfg->row_mt; oxcf->motion_vector_unit_test = extra_cfg->motion_vector_unit_test; for (sl = 0; sl < oxcf->ss_number_layers; ++sl) { 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 (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; } if (get_level_index(oxcf->target_level) >= 0) config_target_level(oxcf); /* printf("Current VP9 Settings: \n"); printf("target_bandwidth: %d\n", oxcf->target_bandwidth); printf("target_level: %d\n", oxcf->target_level); 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("vbr_corpus_complexity: %d\n", oxcf->vbr_corpus_complexity); 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; vp9_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 = vp9_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 = vp9_qindex_to_quantizer(vp9_get_quantizer(ctx->cpi)); return VPX_CODEC_OK; } static vpx_codec_err_t update_extra_cfg(vpx_codec_alg_priv_t *ctx, const struct vp9_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); vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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 vp9_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_alt_ref_aq(vpx_codec_alg_priv_t *ctx, va_list args) { struct vp9_extracfg extra_cfg = ctx->extra_cfg; extra_cfg.alt_ref_aq = CAST(VP9E_SET_ALT_REF_AQ, 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 vp9_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 vp9_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 vp9_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 ctrl_set_target_level(vpx_codec_alg_priv_t *ctx, va_list args) { struct vp9_extracfg extra_cfg = ctx->extra_cfg; extra_cfg.target_level = CAST(VP9E_SET_TARGET_LEVEL, args); return update_extra_cfg(ctx, &extra_cfg); } static vpx_codec_err_t ctrl_set_row_mt(vpx_codec_alg_priv_t *ctx, va_list args) { struct vp9_extracfg extra_cfg = ctx->extra_cfg; extra_cfg.row_mt = CAST(VP9E_SET_ROW_MT, args); return update_extra_cfg(ctx, &extra_cfg); } static vpx_codec_err_t ctrl_enable_motion_vector_unit_test( vpx_codec_alg_priv_t *ctx, va_list args) { struct vp9_extracfg extra_cfg = ctx->extra_cfg; extra_cfg.motion_vector_unit_test = CAST(VP9E_ENABLE_MOTION_VECTOR_UNIT_TEST, args); return update_extra_cfg(ctx, &extra_cfg); } static vpx_codec_err_t ctrl_get_level(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 = (int)vp9_get_level(&ctx->cpi->level_info.level_spec); return VPX_CODEC_OK; } 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 (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(vp9_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 = vp9_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); vp9_remove_compressor(ctx->cpi); 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; #if CONFIG_REALTIME_ONLY (void)duration; deadline = VPX_DL_REALTIME; #else 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; } #endif // CONFIG_REALTIME_ONLY if (deadline == VPX_DL_REALTIME) { ctx->oxcf.pass = 0; new_mode = REALTIME; } if (ctx->oxcf.mode != new_mode) { ctx->oxcf.mode = new_mode; vp9_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; } 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 = (int64_t)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; } const size_t kMinCompressedSize = 8192; 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 enc_flags, unsigned long deadline) { volatile vpx_codec_err_t res = VPX_CODEC_OK; volatile vpx_enc_frame_flags_t flags = enc_flags; VP9_COMP *const cpi = ctx->cpi; const vpx_rational_t *const timebase = &ctx->cfg.g_timebase; size_t data_sz; if (cpi == NULL) return VPX_CODEC_INVALID_PARAM; if (cpi->oxcf.pass == 2 && cpi->level_constraint.level_index >= 0 && !cpi->level_constraint.rc_config_updated) { SVC *const svc = &cpi->svc; const int is_two_pass_svc = (svc->number_spatial_layers > 1) || (svc->number_temporal_layers > 1); const VP9EncoderConfig *const oxcf = &cpi->oxcf; TWO_PASS *const twopass = &cpi->twopass; FIRSTPASS_STATS *stats = &twopass->total_stats; if (is_two_pass_svc) { const double frame_rate = 10000000.0 * stats->count / stats->duration; vp9_update_spatial_layer_framerate(cpi, frame_rate); twopass->bits_left = (int64_t)(stats->duration * svc->layer_context[svc->spatial_layer_id].target_bandwidth / 10000000.0); } else { twopass->bits_left = (int64_t)(stats->duration * oxcf->target_bandwidth / 10000000.0); } cpi->level_constraint.rc_config_updated = 1; } if (img != NULL) { res = validate_img(ctx, img); if (res == VPX_CODEC_OK) { // 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 < kMinCompressedSize) data_sz = kMinCompressedSize; 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; } if (setjmp(cpi->common.error.jmp)) { cpi->common.error.setjmp = 0; res = update_error_state(ctx, &cpi->common.error); vpx_clear_system_state(); return res; } cpi->common.error.setjmp = 1; if (res == VPX_CODEC_OK) vp9_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; } } if (res == VPX_CODEC_OK) { 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 (vp9_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) { vpx_internal_error(&cpi->common.error, VPX_CODEC_ERROR, "Compressed data buffer too small"); return VPX_CODEC_ERROR; } } while (cx_data_sz >= ctx->cx_data_sz / 2 && -1 != vp9_get_compressed_data(cpi, &lib_flags, &size, cx_data, &dst_time_stamp, &dst_end_time_stamp, !img)) { if (size || (cpi->use_svc && cpi->svc.skip_enhancement_layer)) { vpx_codec_cx_pkt_t pkt; // 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; if (size) ctx->pending_frame_sizes[ctx->pending_frame_count++] = size; ctx->pending_frame_magnitude |= size; cx_data += size; cx_data_sz -= size; pkt.data.frame.width[cpi->svc.spatial_layer_id] = cpi->common.width; pkt.data.frame.height[cpi->svc.spatial_layer_id] = cpi->common.height; pkt.data.frame.spatial_layer_encoded[cpi->svc.spatial_layer_id] = 1 - cpi->svc.drop_spatial_layer[cpi->svc.spatial_layer_id]; 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); pkt.data.frame.width[cpi->svc.spatial_layer_id] = cpi->common.width; pkt.data.frame.height[cpi->svc.spatial_layer_id] = cpi->common.height; pkt.data.frame.spatial_layer_encoded[cpi->svc.spatial_layer_id] = 1 - cpi->svc.drop_spatial_layer[cpi->svc.spatial_layer_id]; if (ctx->pending_cx_data) { if (size) 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 (is_one_pass_cbr_svc(cpi) && (cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) { // Encoded all spatial layers; exit loop. break; } } } } cpi->common.error.setjmp = 0; 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); vp9_set_reference_enc(ctx->cpi, ref_frame_to_vp9_reframe(frame->frame_type), &sd); return VPX_CODEC_OK; } 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); vp9_copy_reference_enc(ctx->cpi, ref_frame_to_vp9_reframe(frame->frame_type), &sd); return VPX_CODEC_OK; } 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; } 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; } 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; vp9_ppflags_t flags; vp9_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 (vp9_get_preview_raw_frame(ctx->cpi, &sd, &flags) == 0) { yuvconfig2image(&ctx->preview_img, &sd, NULL); return &ctx->preview_img; } return NULL; } static vpx_codec_err_t ctrl_set_roi_map(vpx_codec_alg_priv_t *ctx, va_list args) { vpx_roi_map_t *data = va_arg(args, vpx_roi_map_t *); if (data) { vpx_roi_map_t *roi = (vpx_roi_map_t *)data; if (!vp9_set_roi_map(ctx->cpi, roi->roi_map, roi->rows, roi->cols, roi->delta_q, roi->delta_lf, roi->skip, roi->ref_frame)) { return VPX_CODEC_OK; } return VPX_CODEC_INVALID_PARAM; } 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 (!vp9_set_active_map(ctx->cpi, map->active_map, (int)map->rows, (int)map->cols)) return VPX_CODEC_OK; return VPX_CODEC_INVALID_PARAM; } 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 (!vp9_get_active_map(ctx->cpi, map->active_map, (int)map->rows, (int)map->cols)) return VPX_CODEC_OK; return VPX_CODEC_INVALID_PARAM; } 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 = vp9_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; } 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 vp9_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; } vp9_set_row_mt(ctx->cpi); 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->first_spatial_layer_to_encode = data->spatial_layer_id; svc->spatial_layer_to_encode = 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->first_spatial_layer_to_encode < 0 || svc->first_spatial_layer_to_encode >= (int)ctx->cfg.ss_number_layers) { return VPX_CODEC_INVALID_PARAM; } // First spatial layer to encode not implemented for two-pass. if (is_two_pass_svc(cpi) && svc->first_spatial_layer_to_encode > 0) 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[layer]; lc->min_q = params->min_quantizers[layer]; lc->scaling_factor_num = params->scaling_factor_num[sl]; lc->scaling_factor_den = params->scaling_factor_den[sl]; lc->speed = params->speed_per_layer[sl]; } } return VPX_CODEC_OK; } static vpx_codec_err_t ctrl_set_svc_ref_frame_config(vpx_codec_alg_priv_t *ctx, va_list args) { VP9_COMP *const cpi = ctx->cpi; vpx_svc_ref_frame_config_t *data = va_arg(args, vpx_svc_ref_frame_config_t *); int sl; for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) { cpi->svc.ext_frame_flags[sl] = data->frame_flags[sl]; cpi->svc.ext_lst_fb_idx[sl] = data->lst_fb_idx[sl]; cpi->svc.ext_gld_fb_idx[sl] = data->gld_fb_idx[sl]; cpi->svc.ext_alt_fb_idx[sl] = data->alt_fb_idx[sl]; } return VPX_CODEC_OK; } static vpx_codec_err_t ctrl_set_svc_inter_layer_pred(vpx_codec_alg_priv_t *ctx, va_list args) { const int data = va_arg(args, int); VP9_COMP *const cpi = ctx->cpi; cpi->svc.disable_inter_layer_pred = data; return VPX_CODEC_OK; } static vpx_codec_err_t ctrl_set_svc_frame_drop_layer(vpx_codec_alg_priv_t *ctx, va_list args) { VP9_COMP *const cpi = ctx->cpi; vpx_svc_frame_drop_t *data = va_arg(args, vpx_svc_frame_drop_t *); int sl; cpi->svc.framedrop_mode = data->framedrop_mode; for (sl = 0; sl < cpi->svc.number_spatial_layers; ++sl) cpi->svc.framedrop_thresh[sl] = data->framedrop_thresh[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 vp9_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 vp9_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_err_t ctrl_set_color_range(vpx_codec_alg_priv_t *ctx, va_list args) { struct vp9_extracfg extra_cfg = ctx->extra_cfg; extra_cfg.color_range = CAST(VP9E_SET_COLOR_RANGE, args); return update_extra_cfg(ctx, &extra_cfg); } static vpx_codec_err_t ctrl_set_render_size(vpx_codec_alg_priv_t *ctx, va_list args) { struct vp9_extracfg extra_cfg = ctx->extra_cfg; int *const render_size = va_arg(args, int *); extra_cfg.render_width = render_size[0]; extra_cfg.render_height = render_size[1]; return update_extra_cfg(ctx, &extra_cfg); } static vpx_codec_ctrl_fn_map_t encoder_ctrl_maps[] = { { VP8_COPY_REFERENCE, ctrl_copy_reference }, // Setters { VP8_SET_REFERENCE, ctrl_set_reference }, { VP8_SET_POSTPROC, ctrl_set_previewpp }, { VP9E_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_ALT_REF_AQ, ctrl_set_alt_ref_aq }, { 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_COLOR_RANGE, ctrl_set_color_range }, { 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 }, { VP9E_SET_SVC_REF_FRAME_CONFIG, ctrl_set_svc_ref_frame_config }, { VP9E_SET_RENDER_SIZE, ctrl_set_render_size }, { VP9E_SET_TARGET_LEVEL, ctrl_set_target_level }, { VP9E_SET_ROW_MT, ctrl_set_row_mt }, { VP9E_ENABLE_MOTION_VECTOR_UNIT_TEST, ctrl_enable_motion_vector_unit_test }, { VP9E_SET_SVC_INTER_LAYER_PRED, ctrl_set_svc_inter_layer_pred }, { VP9E_SET_SVC_FRAME_DROP_LAYER, ctrl_set_svc_frame_drop_layer }, // 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 }, { VP9E_GET_LEVEL, ctrl_get_level }, { -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 0, // rc_2pass_vbr_corpus_complexity (non 0 for corpus vbr) // keyframing settings (kf) VPX_KF_AUTO, // g_kfmode 0, // kf_min_dist 128, // 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_vp9_cx) = { "WebM Project VP9 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 } };