ref: a921444fdbd6da69bd9375e5fac17528b7acc40c
parent: ff19cdafdbb5ee470e4369582b0266f4bc23287d
parent: fba5c354adf95bb7af3e2262b332ff1c85cd3829
author: Yunqing Wang <yunqingwang@google.com>
date: Wed Jul 6 14:55:15 EDT 2016
Merge "Modify the name of vp9cx_set_ref example"
--- a/examples.mk
+++ b/examples.mk
@@ -217,13 +217,13 @@
ifeq ($(CONFIG_VP9_ENCODER),yes)
ifeq ($(CONFIG_DECODERS),yes)
-EXAMPLES-yes += vpx_cx_set_ref.c
-vpx_cx_set_ref.SRCS += ivfenc.h ivfenc.c
-vpx_cx_set_ref.SRCS += tools_common.h tools_common.c
-vpx_cx_set_ref.SRCS += video_common.h
-vpx_cx_set_ref.SRCS += video_writer.h video_writer.c
-vpx_cx_set_ref.GUID = 65D7F14A-2EE6-4293-B958-AB5107A03B55
-vpx_cx_set_ref.DESCRIPTION = VP9 set encoder reference frame
+EXAMPLES-yes += vp9cx_set_ref.c
+vp9cx_set_ref.SRCS += ivfenc.h ivfenc.c
+vp9cx_set_ref.SRCS += tools_common.h tools_common.c
+vp9cx_set_ref.SRCS += video_common.h
+vp9cx_set_ref.SRCS += video_writer.h video_writer.c
+vp9cx_set_ref.GUID = 65D7F14A-2EE6-4293-B958-AB5107A03B55
+vp9cx_set_ref.DESCRIPTION = VP9 set encoder reference frame
endif
endif
--- /dev/null
+++ b/examples/vp9cx_set_ref.c
@@ -1,0 +1,453 @@
+/*
+ * Copyright (c) 2016 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.
+ */
+
+
+// VP9 Set Reference Frame
+// ============================
+//
+// This is an example demonstrating how to overwrite the VP9 encoder's
+// internal reference frame. In the sample we set the last frame to the
+// current frame. This technique could be used to bounce between two cameras.
+//
+// The decoder would also have to set the reference frame to the same value
+// on the same frame, or the video will become corrupt. The 'test_decode'
+// variable is set to 1 in this example that tests if the encoder and decoder
+// results are matching.
+//
+// Usage
+// -----
+// This example encodes a raw video. And the last argument passed in specifies
+// the frame number to update the reference frame on. For example, run
+// examples/vp9cx_set_ref 352 288 in.yuv out.ivf 4 30
+// The parameter is parsed as follows:
+//
+//
+// Extra Variables
+// ---------------
+// This example maintains the frame number passed on the command line
+// in the `update_frame_num` variable.
+//
+//
+// Configuration
+// -------------
+//
+// The reference frame is updated on the frame specified on the command
+// line.
+//
+// Observing The Effects
+// ---------------------
+// The encoder and decoder results should be matching when the same reference
+// frame setting operation is done in both encoder and decoder. Otherwise,
+// the encoder/decoder mismatch would be seen.
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "vpx/vp8cx.h"
+#include "vpx/vpx_decoder.h"
+#include "vpx/vpx_encoder.h"
+
+#include "./tools_common.h"
+#include "./video_writer.h"
+
+static const char *exec_name;
+
+void usage_exit() {+ fprintf(stderr, "Usage: %s <width> <height> <infile> <outfile> "
+ "<frame> <limit(optional)>\n",
+ exec_name);
+ exit(EXIT_FAILURE);
+}
+
+static int compare_img(const vpx_image_t *const img1,
+ const vpx_image_t *const img2) {+ uint32_t l_w = img1->d_w;
+ uint32_t c_w =
+ (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
+ const uint32_t c_h =
+ (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
+ uint32_t i;
+ int match = 1;
+
+ match &= (img1->fmt == img2->fmt);
+ match &= (img1->d_w == img2->d_w);
+ match &= (img1->d_h == img2->d_h);
+
+ for (i = 0; i < img1->d_h; ++i)
+ match &= (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
+ img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
+ l_w) == 0);
+
+ for (i = 0; i < c_h; ++i)
+ match &= (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
+ img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
+ c_w) == 0);
+
+ for (i = 0; i < c_h; ++i)
+ match &= (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
+ img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
+ c_w) == 0);
+
+ return match;
+}
+
+#define mmin(a, b) ((a) < (b) ? (a) : (b))
+static void find_mismatch(const vpx_image_t *const img1,
+ const vpx_image_t *const img2,
+ int yloc[4], int uloc[4], int vloc[4]) {+ const uint32_t bsize = 64;
+ const uint32_t bsizey = bsize >> img1->y_chroma_shift;
+ const uint32_t bsizex = bsize >> img1->x_chroma_shift;
+ const uint32_t c_w =
+ (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
+ const uint32_t c_h =
+ (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
+ int match = 1;
+ uint32_t i, j;
+ yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
+ for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {+ for (j = 0; match && j < img1->d_w; j += bsize) {+ int k, l;
+ const int si = mmin(i + bsize, img1->d_h) - i;
+ const int sj = mmin(j + bsize, img1->d_w) - j;
+ for (k = 0; match && k < si; ++k) {+ for (l = 0; match && l < sj; ++l) {+ if (*(img1->planes[VPX_PLANE_Y] +
+ (i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
+ *(img2->planes[VPX_PLANE_Y] +
+ (i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {+ yloc[0] = i + k;
+ yloc[1] = j + l;
+ yloc[2] = *(img1->planes[VPX_PLANE_Y] +
+ (i + k) * img1->stride[VPX_PLANE_Y] + j + l);
+ yloc[3] = *(img2->planes[VPX_PLANE_Y] +
+ (i + k) * img2->stride[VPX_PLANE_Y] + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
+ for (i = 0, match = 1; match && i < c_h; i += bsizey) {+ for (j = 0; match && j < c_w; j += bsizex) {+ int k, l;
+ const int si = mmin(i + bsizey, c_h - i);
+ const int sj = mmin(j + bsizex, c_w - j);
+ for (k = 0; match && k < si; ++k) {+ for (l = 0; match && l < sj; ++l) {+ if (*(img1->planes[VPX_PLANE_U] +
+ (i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
+ *(img2->planes[VPX_PLANE_U] +
+ (i + k) * img2->stride[VPX_PLANE_U] + j + l)) {+ uloc[0] = i + k;
+ uloc[1] = j + l;
+ uloc[2] = *(img1->planes[VPX_PLANE_U] +
+ (i + k) * img1->stride[VPX_PLANE_U] + j + l);
+ uloc[3] = *(img2->planes[VPX_PLANE_U] +
+ (i + k) * img2->stride[VPX_PLANE_U] + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+ vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
+ for (i = 0, match = 1; match && i < c_h; i += bsizey) {+ for (j = 0; match && j < c_w; j += bsizex) {+ int k, l;
+ const int si = mmin(i + bsizey, c_h - i);
+ const int sj = mmin(j + bsizex, c_w - j);
+ for (k = 0; match && k < si; ++k) {+ for (l = 0; match && l < sj; ++l) {+ if (*(img1->planes[VPX_PLANE_V] +
+ (i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
+ *(img2->planes[VPX_PLANE_V] +
+ (i + k) * img2->stride[VPX_PLANE_V] + j + l)) {+ vloc[0] = i + k;
+ vloc[1] = j + l;
+ vloc[2] = *(img1->planes[VPX_PLANE_V] +
+ (i + k) * img1->stride[VPX_PLANE_V] + j + l);
+ vloc[3] = *(img2->planes[VPX_PLANE_V] +
+ (i + k) * img2->stride[VPX_PLANE_V] + j + l);
+ match = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+}
+
+static void testing_decode(vpx_codec_ctx_t *encoder,
+ vpx_codec_ctx_t *decoder,
+ vpx_codec_enc_cfg_t *cfg,
+ unsigned int frame_out,
+ int *mismatch_seen) {+ vpx_image_t enc_img, dec_img;
+ struct vp9_ref_frame ref_enc, ref_dec;
+
+ if (*mismatch_seen)
+ return;
+
+ ref_enc.idx = 0;
+ ref_dec.idx = 0;
+ if (vpx_codec_control(encoder, VP9_GET_REFERENCE, &ref_enc))
+ die_codec(encoder, "Failed to get encoder reference frame");
+ enc_img = ref_enc.img;
+ if (vpx_codec_control(decoder, VP9_GET_REFERENCE, &ref_dec))
+ die_codec(decoder, "Failed to get decoder reference frame");
+ dec_img = ref_dec.img;
+
+ if (!compare_img(&enc_img, &dec_img)) {+ int y[4], u[4], v[4];
+
+ *mismatch_seen = 1;
+
+ find_mismatch(&enc_img, &dec_img, y, u, v);
+ printf("Encode/decode mismatch on frame %d at"+ " Y[%d, %d] {%d/%d},"+ " U[%d, %d] {%d/%d},"+ " V[%d, %d] {%d/%d}",+ frame_out,
+ y[0], y[1], y[2], y[3],
+ u[0], u[1], u[2], u[3],
+ v[0], v[1], v[2], v[3]);
+ }
+
+ vpx_img_free(&enc_img);
+ vpx_img_free(&dec_img);
+}
+
+static int encode_frame(vpx_codec_ctx_t *ecodec,
+ vpx_codec_enc_cfg_t *cfg,
+ vpx_image_t *img,
+ unsigned int frame_in,
+ VpxVideoWriter *writer,
+ int test_decode,
+ vpx_codec_ctx_t *dcodec,
+ unsigned int *frame_out,
+ int *mismatch_seen) {+ int got_pkts = 0;
+ vpx_codec_iter_t iter = NULL;
+ const vpx_codec_cx_pkt_t *pkt = NULL;
+ int got_data;
+ const vpx_codec_err_t res = vpx_codec_encode(ecodec, img, frame_in, 1,
+ 0, VPX_DL_GOOD_QUALITY);
+ if (res != VPX_CODEC_OK)
+ die_codec(ecodec, "Failed to encode frame");
+
+ got_data = 0;
+
+ while ((pkt = vpx_codec_get_cx_data(ecodec, &iter)) != NULL) {+ got_pkts = 1;
+
+ if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) {+ const int keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) != 0;
+
+ if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT)) {+ *frame_out += 1;
+ }
+
+ if (!vpx_video_writer_write_frame(writer,
+ pkt->data.frame.buf,
+ pkt->data.frame.sz,
+ pkt->data.frame.pts)) {+ die_codec(ecodec, "Failed to write compressed frame");
+ }
+ printf(keyframe ? "K" : ".");
+ fflush(stdout);
+ got_data = 1;
+
+ // Decode 1 frame.
+ if (test_decode) {+ if (vpx_codec_decode(dcodec, pkt->data.frame.buf,
+ (unsigned int)pkt->data.frame.sz, NULL, 0))
+ die_codec(dcodec, "Failed to decode frame.");
+ }
+ }
+ }
+
+ // Mismatch checking
+ if (got_data && test_decode) {+ testing_decode(ecodec, dcodec, cfg, *frame_out, mismatch_seen);
+ }
+
+ return got_pkts;
+}
+
+int main(int argc, char **argv) {+ FILE *infile = NULL;
+ // Encoder
+ vpx_codec_ctx_t ecodec = {0};+ vpx_codec_enc_cfg_t cfg = {0};+ unsigned int frame_in = 0;
+ vpx_image_t raw;
+ vpx_codec_err_t res;
+ VpxVideoInfo info = {0};+ VpxVideoWriter *writer = NULL;
+ const VpxInterface *encoder = NULL;
+
+ // Test encoder/decoder mismatch.
+ int test_decode = 1;
+ // Decoder
+ vpx_codec_ctx_t dcodec;
+ unsigned int frame_out = 0;
+
+ // The frame number to set reference frame on
+ int update_frame_num = 0;
+ int mismatch_seen = 0;
+
+ const int fps = 30;
+ const int bitrate = 500;
+
+ const char *width_arg = NULL;
+ const char *height_arg = NULL;
+ const char *infile_arg = NULL;
+ const char *outfile_arg = NULL;
+ unsigned int limit = 0;
+ exec_name = argv[0];
+
+ if (argc < 6)
+ die("Invalid number of arguments");+
+ width_arg = argv[1];
+ height_arg = argv[2];
+ infile_arg = argv[3];
+ outfile_arg = argv[4];
+
+ encoder = get_vpx_encoder_by_name("vp9");+ if (!encoder)
+ die("Unsupported codec.");+
+ update_frame_num = atoi(argv[5]);
+ // In VP9, the reference buffers (cm->buffer_pool->frame_bufs[i].buf) are
+ // allocated while calling vpx_codec_encode(), thus, setting reference for
+ // 1st frame isn't supported.
+ if (update_frame_num <= 1)
+ die("Couldn't parse frame number '%s'\n", argv[5]);+
+ if (argc > 6) {+ limit = atoi(argv[6]);
+ if (update_frame_num > limit)
+ die("Update frame number couldn't larger than limit\n");+ }
+
+ info.codec_fourcc = encoder->fourcc;
+ info.frame_width = strtol(width_arg, NULL, 0);
+ info.frame_height = strtol(height_arg, NULL, 0);
+ info.time_base.numerator = 1;
+ info.time_base.denominator = fps;
+
+ if (info.frame_width <= 0 ||
+ info.frame_height <= 0 ||
+ (info.frame_width % 2) != 0 ||
+ (info.frame_height % 2) != 0) {+ die("Invalid frame size: %dx%d", info.frame_width, info.frame_height);+ }
+
+ if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, info.frame_width,
+ info.frame_height, 1)) {+ die("Failed to allocate image.");+ }
+
+ printf("Using %s\n", vpx_codec_iface_name(encoder->codec_interface()));+
+ res = vpx_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
+ if (res)
+ die_codec(&ecodec, "Failed to get default codec config.");
+
+ cfg.g_w = info.frame_width;
+ cfg.g_h = info.frame_height;
+ cfg.g_timebase.num = info.time_base.numerator;
+ cfg.g_timebase.den = info.time_base.denominator;
+ cfg.rc_target_bitrate = bitrate;
+ cfg.g_lag_in_frames = 3;
+
+ writer = vpx_video_writer_open(outfile_arg, kContainerIVF, &info);
+ if (!writer)
+ die("Failed to open %s for writing.", outfile_arg);+
+ if (!(infile = fopen(infile_arg, "rb")))
+ die("Failed to open %s for reading.", infile_arg);+
+ if (vpx_codec_enc_init(&ecodec, encoder->codec_interface(), &cfg, 0))
+ die_codec(&ecodec, "Failed to initialize encoder");
+
+ // Disable alt_ref.
+ if (vpx_codec_control(&ecodec, VP8E_SET_ENABLEAUTOALTREF, 0))
+ die_codec(&ecodec, "Failed to set enable auto alt ref");
+
+ if (test_decode) {+ const VpxInterface *decoder = get_vpx_decoder_by_name("vp9");+ if (vpx_codec_dec_init(&dcodec, decoder->codec_interface(), NULL, 0))
+ die_codec(&dcodec, "Failed to initialize decoder.");
+ }
+
+ // Encode frames.
+ while (vpx_img_read(&raw, infile)) {+ if (limit && frame_in >= limit)
+ break;
+ if (update_frame_num > 1 && frame_out + 1 == update_frame_num) {+ vpx_ref_frame_t ref;
+ ref.frame_type = VP8_LAST_FRAME;
+ ref.img = raw;
+ // Set reference frame in encoder.
+ if (vpx_codec_control(&ecodec, VP8_SET_REFERENCE, &ref))
+ die_codec(&ecodec, "Failed to set reference frame");
+ printf(" <SET_REF>");+
+ // If set_reference in decoder is commented out, the enc/dec mismatch
+ // would be seen.
+ if (test_decode) {+ if (vpx_codec_control(&dcodec, VP8_SET_REFERENCE, &ref))
+ die_codec(&dcodec, "Failed to set reference frame");
+ }
+ }
+
+ encode_frame(&ecodec, &cfg, &raw, frame_in, writer, test_decode,
+ &dcodec, &frame_out, &mismatch_seen);
+ frame_in++;
+ if (mismatch_seen)
+ break;
+ }
+
+ // Flush encoder.
+ if (!mismatch_seen)
+ while (encode_frame(&ecodec, &cfg, NULL, frame_in, writer, test_decode,
+ &dcodec, &frame_out, &mismatch_seen)) {}+
+ printf("\n");+ fclose(infile);
+ printf("Processed %d frames.\n", frame_out);+
+ if (test_decode) {+ if (!mismatch_seen)
+ printf("Encoder/decoder results are matching.\n");+ else
+ printf("Encoder/decoder results are NOT matching.\n");+ }
+
+ if (test_decode)
+ if (vpx_codec_destroy(&dcodec))
+ die_codec(&dcodec, "Failed to destroy decoder");
+
+ vpx_img_free(&raw);
+ if (vpx_codec_destroy(&ecodec))
+ die_codec(&ecodec, "Failed to destroy encoder.");
+
+ vpx_video_writer_close(writer);
+
+ return EXIT_SUCCESS;
+}
--- a/examples/vpx_cx_set_ref.c
+++ /dev/null
@@ -1,455 +1,0 @@
-/*
- * Copyright (c) 2016 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.
- */
-
-
-// VP9 Set Reference Frame
-// ============================
-//
-// This is an example demonstrating how to overwrite the VP9 encoder's
-// internal reference frame. In the sample we set the last frame to the
-// current frame. This technique could be used to bounce between two cameras.
-//
-// The decoder would also have to set the reference frame to the same value
-// on the same frame, or the video will become corrupt. The 'test_decode'
-// variable is set to 1 in this example that tests if the encoder and decoder
-// results are matching.
-//
-// Usage
-// -----
-// This example encodes a raw video. And the last argument passed in specifies
-// the frame number to update the reference frame on. For example, run
-// examples/vpx_cx_set_ref vp9 352 288 in.yuv out.ivf 4 30
-// The parameter is parsed as follows:
-//
-//
-// Extra Variables
-// ---------------
-// This example maintains the frame number passed on the command line
-// in the `update_frame_num` variable.
-//
-//
-// Configuration
-// -------------
-//
-// The reference frame is updated on the frame specified on the command
-// line.
-//
-// Observing The Effects
-// ---------------------
-// The encoder and decoder results should be matching when the same reference
-// frame setting operation is done in both encoder and decoder. Otherwise,
-// the encoder/decoder mismatch would be seen.
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "vpx/vp8cx.h"
-#include "vpx/vpx_decoder.h"
-#include "vpx/vpx_encoder.h"
-
-#include "./tools_common.h"
-#include "./video_writer.h"
-
-static const char *exec_name;
-
-void usage_exit() {- fprintf(stderr, "Usage: %s <codec> <width> <height> <infile> <outfile> "
- "<frame> <limit(optional)>\n",
- exec_name);
- exit(EXIT_FAILURE);
-}
-
-static int compare_img(const vpx_image_t *const img1,
- const vpx_image_t *const img2) {- uint32_t l_w = img1->d_w;
- uint32_t c_w =
- (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
- const uint32_t c_h =
- (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
- uint32_t i;
- int match = 1;
-
- match &= (img1->fmt == img2->fmt);
- match &= (img1->d_w == img2->d_w);
- match &= (img1->d_h == img2->d_h);
-
- for (i = 0; i < img1->d_h; ++i)
- match &= (memcmp(img1->planes[VPX_PLANE_Y] + i * img1->stride[VPX_PLANE_Y],
- img2->planes[VPX_PLANE_Y] + i * img2->stride[VPX_PLANE_Y],
- l_w) == 0);
-
- for (i = 0; i < c_h; ++i)
- match &= (memcmp(img1->planes[VPX_PLANE_U] + i * img1->stride[VPX_PLANE_U],
- img2->planes[VPX_PLANE_U] + i * img2->stride[VPX_PLANE_U],
- c_w) == 0);
-
- for (i = 0; i < c_h; ++i)
- match &= (memcmp(img1->planes[VPX_PLANE_V] + i * img1->stride[VPX_PLANE_V],
- img2->planes[VPX_PLANE_V] + i * img2->stride[VPX_PLANE_V],
- c_w) == 0);
-
- return match;
-}
-
-#define mmin(a, b) ((a) < (b) ? (a) : (b))
-static void find_mismatch(const vpx_image_t *const img1,
- const vpx_image_t *const img2,
- int yloc[4], int uloc[4], int vloc[4]) {- const uint32_t bsize = 64;
- const uint32_t bsizey = bsize >> img1->y_chroma_shift;
- const uint32_t bsizex = bsize >> img1->x_chroma_shift;
- const uint32_t c_w =
- (img1->d_w + img1->x_chroma_shift) >> img1->x_chroma_shift;
- const uint32_t c_h =
- (img1->d_h + img1->y_chroma_shift) >> img1->y_chroma_shift;
- int match = 1;
- uint32_t i, j;
- yloc[0] = yloc[1] = yloc[2] = yloc[3] = -1;
- for (i = 0, match = 1; match && i < img1->d_h; i += bsize) {- for (j = 0; match && j < img1->d_w; j += bsize) {- int k, l;
- const int si = mmin(i + bsize, img1->d_h) - i;
- const int sj = mmin(j + bsize, img1->d_w) - j;
- for (k = 0; match && k < si; ++k) {- for (l = 0; match && l < sj; ++l) {- if (*(img1->planes[VPX_PLANE_Y] +
- (i + k) * img1->stride[VPX_PLANE_Y] + j + l) !=
- *(img2->planes[VPX_PLANE_Y] +
- (i + k) * img2->stride[VPX_PLANE_Y] + j + l)) {- yloc[0] = i + k;
- yloc[1] = j + l;
- yloc[2] = *(img1->planes[VPX_PLANE_Y] +
- (i + k) * img1->stride[VPX_PLANE_Y] + j + l);
- yloc[3] = *(img2->planes[VPX_PLANE_Y] +
- (i + k) * img2->stride[VPX_PLANE_Y] + j + l);
- match = 0;
- break;
- }
- }
- }
- }
- }
-
- uloc[0] = uloc[1] = uloc[2] = uloc[3] = -1;
- for (i = 0, match = 1; match && i < c_h; i += bsizey) {- for (j = 0; match && j < c_w; j += bsizex) {- int k, l;
- const int si = mmin(i + bsizey, c_h - i);
- const int sj = mmin(j + bsizex, c_w - j);
- for (k = 0; match && k < si; ++k) {- for (l = 0; match && l < sj; ++l) {- if (*(img1->planes[VPX_PLANE_U] +
- (i + k) * img1->stride[VPX_PLANE_U] + j + l) !=
- *(img2->planes[VPX_PLANE_U] +
- (i + k) * img2->stride[VPX_PLANE_U] + j + l)) {- uloc[0] = i + k;
- uloc[1] = j + l;
- uloc[2] = *(img1->planes[VPX_PLANE_U] +
- (i + k) * img1->stride[VPX_PLANE_U] + j + l);
- uloc[3] = *(img2->planes[VPX_PLANE_U] +
- (i + k) * img2->stride[VPX_PLANE_U] + j + l);
- match = 0;
- break;
- }
- }
- }
- }
- }
- vloc[0] = vloc[1] = vloc[2] = vloc[3] = -1;
- for (i = 0, match = 1; match && i < c_h; i += bsizey) {- for (j = 0; match && j < c_w; j += bsizex) {- int k, l;
- const int si = mmin(i + bsizey, c_h - i);
- const int sj = mmin(j + bsizex, c_w - j);
- for (k = 0; match && k < si; ++k) {- for (l = 0; match && l < sj; ++l) {- if (*(img1->planes[VPX_PLANE_V] +
- (i + k) * img1->stride[VPX_PLANE_V] + j + l) !=
- *(img2->planes[VPX_PLANE_V] +
- (i + k) * img2->stride[VPX_PLANE_V] + j + l)) {- vloc[0] = i + k;
- vloc[1] = j + l;
- vloc[2] = *(img1->planes[VPX_PLANE_V] +
- (i + k) * img1->stride[VPX_PLANE_V] + j + l);
- vloc[3] = *(img2->planes[VPX_PLANE_V] +
- (i + k) * img2->stride[VPX_PLANE_V] + j + l);
- match = 0;
- break;
- }
- }
- }
- }
- }
-}
-
-static void testing_decode(vpx_codec_ctx_t *encoder,
- vpx_codec_ctx_t *decoder,
- vpx_codec_enc_cfg_t *cfg,
- unsigned int frame_out,
- int *mismatch_seen) {- vpx_image_t enc_img, dec_img;
- struct vp9_ref_frame ref_enc, ref_dec;
-
- if (*mismatch_seen)
- return;
-
- ref_enc.idx = 0;
- ref_dec.idx = 0;
- if (vpx_codec_control(encoder, VP9_GET_REFERENCE, &ref_enc))
- die_codec(encoder, "Failed to get encoder reference frame");
- enc_img = ref_enc.img;
- if (vpx_codec_control(decoder, VP9_GET_REFERENCE, &ref_dec))
- die_codec(decoder, "Failed to get decoder reference frame");
- dec_img = ref_dec.img;
-
- if (!compare_img(&enc_img, &dec_img)) {- int y[4], u[4], v[4];
-
- *mismatch_seen = 1;
-
- find_mismatch(&enc_img, &dec_img, y, u, v);
- printf("Encode/decode mismatch on frame %d at"- " Y[%d, %d] {%d/%d},"- " U[%d, %d] {%d/%d},"- " V[%d, %d] {%d/%d}",- frame_out,
- y[0], y[1], y[2], y[3],
- u[0], u[1], u[2], u[3],
- v[0], v[1], v[2], v[3]);
- }
-
- vpx_img_free(&enc_img);
- vpx_img_free(&dec_img);
-}
-
-static int encode_frame(vpx_codec_ctx_t *ecodec,
- vpx_codec_enc_cfg_t *cfg,
- vpx_image_t *img,
- unsigned int frame_in,
- VpxVideoWriter *writer,
- int test_decode,
- vpx_codec_ctx_t *dcodec,
- unsigned int *frame_out,
- int *mismatch_seen) {- int got_pkts = 0;
- vpx_codec_iter_t iter = NULL;
- const vpx_codec_cx_pkt_t *pkt = NULL;
- int got_data;
- const vpx_codec_err_t res = vpx_codec_encode(ecodec, img, frame_in, 1,
- 0, VPX_DL_GOOD_QUALITY);
- if (res != VPX_CODEC_OK)
- die_codec(ecodec, "Failed to encode frame");
-
- got_data = 0;
-
- while ((pkt = vpx_codec_get_cx_data(ecodec, &iter)) != NULL) {- got_pkts = 1;
-
- if (pkt->kind == VPX_CODEC_CX_FRAME_PKT) {- const int keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY) != 0;
-
- if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT)) {- *frame_out += 1;
- }
-
- if (!vpx_video_writer_write_frame(writer,
- pkt->data.frame.buf,
- pkt->data.frame.sz,
- pkt->data.frame.pts)) {- die_codec(ecodec, "Failed to write compressed frame");
- }
- printf(keyframe ? "K" : ".");
- fflush(stdout);
- got_data = 1;
-
- // Decode 1 frame.
- if (test_decode) {- if (vpx_codec_decode(dcodec, pkt->data.frame.buf,
- (unsigned int)pkt->data.frame.sz, NULL, 0))
- die_codec(dcodec, "Failed to decode frame.");
- }
- }
- }
-
- // Mismatch checking
- if (got_data && test_decode) {- testing_decode(ecodec, dcodec, cfg, *frame_out, mismatch_seen);
- }
-
- return got_pkts;
-}
-
-int main(int argc, char **argv) {- FILE *infile = NULL;
- // Encoder
- vpx_codec_ctx_t ecodec = {0};- vpx_codec_enc_cfg_t cfg = {0};- unsigned int frame_in = 0;
- vpx_image_t raw;
- vpx_codec_err_t res;
- VpxVideoInfo info = {0};- VpxVideoWriter *writer = NULL;
- const VpxInterface *encoder = NULL;
-
- // Test encoder/decoder mismatch.
- int test_decode = 1;
- // Decoder
- vpx_codec_ctx_t dcodec;
- unsigned int frame_out = 0;
-
- // The frame number to set reference frame on
- int update_frame_num = 0;
- int mismatch_seen = 0;
-
- const int fps = 30;
- const int bitrate = 500;
-
- const char *codec_arg = NULL;
- const char *width_arg = NULL;
- const char *height_arg = NULL;
- const char *infile_arg = NULL;
- const char *outfile_arg = NULL;
- int limit = 0;
- exec_name = argv[0];
-
- if (argc < 7)
- die("Invalid number of arguments");-
- codec_arg = argv[1];
- width_arg = argv[2];
- height_arg = argv[3];
- infile_arg = argv[4];
- outfile_arg = argv[5];
-
- encoder = get_vpx_encoder_by_name(codec_arg);
- if (!encoder)
- die("Unsupported codec.");-
- update_frame_num = atoi(argv[6]);
- // In VP9, the reference buffers (cm->buffer_pool->frame_bufs[i].buf) are
- // allocated while calling vpx_codec_encode(), thus, setting reference for
- // 1st frame isn't supported.
- if (update_frame_num <= 1)
- die("Couldn't parse frame number '%s'\n", argv[6]);-
- if (argc > 7) {- limit = atoi(argv[7]);
- if (update_frame_num > limit)
- die("Update frame number couldn't larger than limit\n");- }
-
- info.codec_fourcc = encoder->fourcc;
- info.frame_width = strtol(width_arg, NULL, 0);
- info.frame_height = strtol(height_arg, NULL, 0);
- info.time_base.numerator = 1;
- info.time_base.denominator = fps;
-
- if (info.frame_width <= 0 ||
- info.frame_height <= 0 ||
- (info.frame_width % 2) != 0 ||
- (info.frame_height % 2) != 0) {- die("Invalid frame size: %dx%d", info.frame_width, info.frame_height);- }
-
- if (!vpx_img_alloc(&raw, VPX_IMG_FMT_I420, info.frame_width,
- info.frame_height, 1)) {- die("Failed to allocate image.");- }
-
- printf("Using %s\n", vpx_codec_iface_name(encoder->codec_interface()));-
- res = vpx_codec_enc_config_default(encoder->codec_interface(), &cfg, 0);
- if (res)
- die_codec(&ecodec, "Failed to get default codec config.");
-
- cfg.g_w = info.frame_width;
- cfg.g_h = info.frame_height;
- cfg.g_timebase.num = info.time_base.numerator;
- cfg.g_timebase.den = info.time_base.denominator;
- cfg.rc_target_bitrate = bitrate;
- cfg.g_lag_in_frames = 3;
-
- writer = vpx_video_writer_open(outfile_arg, kContainerIVF, &info);
- if (!writer)
- die("Failed to open %s for writing.", outfile_arg);-
- if (!(infile = fopen(infile_arg, "rb")))
- die("Failed to open %s for reading.", infile_arg);-
- if (vpx_codec_enc_init(&ecodec, encoder->codec_interface(), &cfg, 0))
- die_codec(&ecodec, "Failed to initialize encoder");
-
- // Disable alt_ref.
- if (vpx_codec_control(&ecodec, VP8E_SET_ENABLEAUTOALTREF, 0))
- die_codec(&ecodec, "Failed to set enable auto alt ref");
-
- if (test_decode) {- const VpxInterface *decoder = get_vpx_decoder_by_name(codec_arg);
- if (vpx_codec_dec_init(&dcodec, decoder->codec_interface(), NULL, 0))
- die_codec(&dcodec, "Failed to initialize decoder.");
- }
-
- // Encode frames.
- while (vpx_img_read(&raw, infile)) {- if (limit && frame_in >= limit)
- break;
- if (update_frame_num > 1 && frame_out + 1 == update_frame_num) {- vpx_ref_frame_t ref;
- ref.frame_type = VP8_LAST_FRAME;
- ref.img = raw;
- // Set reference frame in encoder.
- if (vpx_codec_control(&ecodec, VP8_SET_REFERENCE, &ref))
- die_codec(&ecodec, "Failed to set reference frame");
- printf(" <SET_REF>");-
- // If set_reference in decoder is commented out, the enc/dec mismatch
- // would be seen.
- if (test_decode) {- if (vpx_codec_control(&dcodec, VP8_SET_REFERENCE, &ref))
- die_codec(&dcodec, "Failed to set reference frame");
- }
- }
-
- encode_frame(&ecodec, &cfg, &raw, frame_in, writer, test_decode,
- &dcodec, &frame_out, &mismatch_seen);
- frame_in++;
- if (mismatch_seen)
- break;
- }
-
- // Flush encoder.
- if (!mismatch_seen)
- while (encode_frame(&ecodec, &cfg, NULL, frame_in, writer, test_decode,
- &dcodec, &frame_out, &mismatch_seen)) {}-
- printf("\n");- fclose(infile);
- printf("Processed %d frames.\n", frame_out);-
- if (test_decode) {- if (!mismatch_seen)
- printf("Encoder/decoder results are matching.\n");- else
- printf("Encoder/decoder results are NOT matching.\n");- }
-
- if (test_decode)
- if (vpx_codec_destroy(&dcodec))
- die_codec(&dcodec, "Failed to destroy decoder");
-
- vpx_img_free(&raw);
- if (vpx_codec_destroy(&ecodec))
- die_codec(&ecodec, "Failed to destroy encoder.");
-
- vpx_video_writer_close(writer);
-
- return EXIT_SUCCESS;
-}