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libavformat: Add H264 API test
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Result differs in pkt_duration and time_base.den for some reason.
Right now it tests only one example (adjusted to match the output).

Signed-off-by: Michael Niedermayer <[email protected]>
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@lglinskih @michaelni
lglinskih authored and michaelni committed Jun 25, 2015
1 parent 9ff5e79 commit b04c630
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1 change: 1 addition & 0 deletions libavformat/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -547,6 +547,7 @@ TESTPROGS = seek \
url \

TESTPROGS-$(CONFIG_NETWORK) += noproxy
TESTPROGS-yes += api-h264
TESTPROGS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpdh

TOOLS = aviocat \
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183 changes: 183 additions & 0 deletions libavformat/api-h264-test.c
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@@ -0,0 +1,183 @@
/*
* Copyright (c) 2015 Ludmila Glinskih
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

/**
* H264 codec test.
*/

#include "libavutil/adler32.h"
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavutil/imgutils.h"

static int video_decode_example(const char *input_filename)
{
AVCodec *codec = NULL;
AVCodecContext *origin_ctx = NULL, *ctx= NULL;
AVFrame *fr = NULL;
uint8_t *byte_buffer = NULL;
AVPacket pkt;
AVFormatContext *fmt_ctx = NULL;
int number_of_written_bytes;
int video_stream;
int get_frame = 0;
int byte_buffer_size;
int i = 0;
int result;

result = avformat_open_input(&fmt_ctx, input_filename, NULL, NULL);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Can't open file\n");
return result;
}

result = avformat_find_stream_info(fmt_ctx, NULL);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Can't get stream info\n");
return result;
}

video_stream = av_find_best_stream(fmt_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, NULL, 0);
if (video_stream < 0) {
av_log(NULL, AV_LOG_ERROR, "Can't find video stream in input file\n");
return -1;
}

origin_ctx = fmt_ctx->streams[video_stream]->codec;

codec = avcodec_find_decoder(origin_ctx->codec_id);
if (!codec) {
av_log(NULL, AV_LOG_ERROR, "Can't find decoder\n");
return -1;
}

ctx = avcodec_alloc_context3(codec);
if (!ctx) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate decoder context\n");
return AVERROR(ENOMEM);
}

result = avcodec_copy_context(ctx, origin_ctx);
if (result) {
av_log(NULL, AV_LOG_ERROR, "Can't copy decoder context\n");
return result;
}

result = avcodec_open2(ctx, codec, NULL);
if (result < 0) {
av_log(ctx, AV_LOG_ERROR, "Can't open decoder\n");
return result;
}

fr = av_frame_alloc();
if (!fr) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate frame\n");
return AVERROR(ENOMEM);
}

byte_buffer_size = av_image_get_buffer_size(ctx->pix_fmt, ctx->width, ctx->height, 16);
byte_buffer = av_malloc(byte_buffer_size);
if (!byte_buffer) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate buffer\n");
return AVERROR(ENOMEM);
}

printf("#tb %d: %d/%d\n", video_stream, fmt_ctx->streams[video_stream]->time_base.num, fmt_ctx->streams[video_stream]->time_base.den);
i = 0;
av_init_packet(&pkt);
while (av_read_frame(fmt_ctx, &pkt) >= 0) {
if (pkt.stream_index == video_stream) {
get_frame = 0;
if (pkt.pts == AV_NOPTS_VALUE)
pkt.pts = pkt.dts = i;
result = avcodec_decode_video2(ctx, fr, &get_frame, &pkt);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
return result;
}
if (get_frame) {
number_of_written_bytes = av_image_copy_to_buffer(byte_buffer, byte_buffer_size,
(const uint8_t* const *)fr->data, (const int*) fr->linesize,
ctx->pix_fmt, ctx->width, ctx->height, 1);
if (number_of_written_bytes < 0) {
av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
return number_of_written_bytes;
}
printf("%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, 0x%08lx\n", video_stream,
fr->pkt_pts, fr->pkt_dts, av_frame_get_pkt_duration(fr),
number_of_written_bytes, av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes));
}
av_free_packet(&pkt);
av_init_packet(&pkt);
}
i++;
}
pkt.data = NULL;
pkt.size = 0;
if (pkt.pts == AV_NOPTS_VALUE)
pkt.pts = pkt.dts = i;
do {
get_frame = 0;
result = avcodec_decode_video2(ctx, fr, &get_frame, &pkt);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
return result;
}
if (get_frame) {
number_of_written_bytes = av_image_copy_to_buffer(byte_buffer, byte_buffer_size,
(const uint8_t* const *)fr->data, (const int*) fr->linesize,
ctx->pix_fmt, ctx->width, ctx->height, 1);
if (number_of_written_bytes < 0) {
av_log(NULL, AV_LOG_ERROR, "Can't copy image to buffer\n");
return number_of_written_bytes;
}
printf("%d, %10"PRId64", %10"PRId64", %8"PRId64", %8d, 0x%08lx\n", video_stream,
fr->pkt_pts, fr->pkt_dts, av_frame_get_pkt_duration(fr),
number_of_written_bytes, av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes));
}
i++;
} while (get_frame);

av_free_packet(&pkt);
av_frame_free(&fr);
avcodec_close(ctx);
avformat_close_input(&fmt_ctx);
avcodec_free_context(&ctx);
av_freep(&byte_buffer);
return 0;
}

int main(int argc, char **argv)
{
if (argc < 2)
{
av_log(NULL, AV_LOG_ERROR, "Incorrect input\n");
return 1;
}

av_register_all();

if (video_decode_example(argv[1]) != 0)
return 1;

return 0;
}
4 changes: 4 additions & 0 deletions tests/fate/libavformat.mak
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Expand Up @@ -14,5 +14,9 @@ FATE_LIBAVFORMAT-yes += fate-url
fate-url: libavformat/url-test$(EXESUF)
fate-url: CMD = run libavformat/url-test

FATE_SAMPLES_AVCONV-$(call DEMDEC, H264, H264) += fate-api-h264
fate-api-h264: libavformat/api-h264-test$(EXESUF)
fate-api-h264: CMD = run libavformat/api-h264-test $(TARGET_SAMPLES)/h264-conformance/SVA_NL2_E.264

FATE-$(CONFIG_AVFORMAT) += $(FATE_LIBAVFORMAT-yes)
fate-libavformat: $(FATE_LIBAVFORMAT)
18 changes: 18 additions & 0 deletions tests/ref/fate/api-h264
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@@ -0,0 +1,18 @@
#tb 0: 1/1200000
0, 0, 0, 48000, 38016, 0xb9ac19bd
0, 1, 1, 48000, 38016, 0x53c91566
0, 2, 2, 48000, 38016, 0xb5bd089f
0, 3, 3, 48000, 38016, 0xb81320bb
0, 4, 4, 48000, 38016, 0x7c793dce
0, 5, 5, 48000, 38016, 0x3d605b31
0, 6, 6, 48000, 38016, 0x40216830
0, 7, 7, 48000, 38016, 0x11c48f52
0, 8, 8, 48000, 38016, 0x0f37a013
0, 9, 9, 48000, 38016, 0xb06cb753
0, 10, 10, 48000, 38016, 0x6233ca83
0, 11, 11, 48000, 38016, 0x02b6d5a1
0, 12, 12, 48000, 38016, 0xf76cc409
0, 13, 13, 48000, 38016, 0xd19fa5c3
0, 14, 14, 48000, 38016, 0x8d1c8a02
0, 15, 15, 48000, 38016, 0x6802966d
0, 16, 16, 48000, 38016, 0x107fb055

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