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ffmpeg-2.8.5

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git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2016-02-05 22:08:02 +00:00
parent a08f61ddb9
commit a4b787f4b8
5429 changed files with 1356786 additions and 0 deletions
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19
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/tests/api/Makefile Normal file
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@@ -0,0 +1,19 @@
APITESTPROGS-$(call ENCDEC, FLAC, FLAC) += api-flac
APITESTPROGS-$(call DEMDEC, H264, H264) += api-h264
APITESTPROGS-yes += api-seek
APITESTPROGS-$(call DEMDEC, H263, H263) += api-band
APITESTPROGS += $(APITESTPROGS-yes)
APITESTOBJS := $(APITESTOBJS:%=$(APITESTSDIR)%) $(APITESTPROGS:%=$(APITESTSDIR)/%-test.o)
APITESTPROGS := $(APITESTPROGS:%=$(APITESTSDIR)/%-test$(EXESUF))
-include $(wildcard $(APITESTOBJS:.o=.d))
$(APITESTOBJS): | $(sort $(dir $(APITESTOBJS)))
$(APITESTOBJS) $(APITESTOBJS:.o=.i): CPPFLAGS += -DTEST
$(APITESTOBJS) $(APITESTOBJS:.o=.i): CFLAGS += -Umain
$(APITESTPROGS): %$(EXESUF): %.o $(EXEOBJS) $(FF_DEP_LIBS)
$(LD) $(LDFLAGS) $(LDEXEFLAGS) $(LD_O) $(filter %.o,$^) $(FF_DEP_LIBS) $(FFEXTRALIBS) $(ELIBS)
testclean::
$(RM) $(addprefix $(APITESTSDIR)/,$(CLEANSUFFIXES) *-test$(EXESUF))

222
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/tests/api/api-band-test.c Normal file
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@@ -0,0 +1,222 @@
/*
* 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.
*/
/**
* draw_horiz_band test.
*/
#include "libavutil/adler32.h"
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavutil/imgutils.h"
uint8_t *slice_byte_buffer;
uint8_t slice_byte_buffer_size;
int draw_horiz_band_called;
static void draw_horiz_band(AVCodecContext *ctx, const AVFrame *fr, int offset[4],
int slice_position, int type, int height)
{
int i;
const AVPixFmtDescriptor *pix_fmt_desc;
int chroma_w, chroma_h;
int shift_slice_position;
int shift_height;
draw_horiz_band_called = 1;
pix_fmt_desc = av_pix_fmt_desc_get(ctx->pix_fmt);
chroma_w = -((-ctx->width) >> pix_fmt_desc->log2_chroma_w);
chroma_h = -((-height) >> pix_fmt_desc->log2_chroma_h);
shift_slice_position = -((-slice_position) >> pix_fmt_desc->log2_chroma_h);
shift_height = -((-ctx->height) >> pix_fmt_desc->log2_chroma_h);
for (i = 0; i < height; i++) {
memcpy(slice_byte_buffer + ctx->width * slice_position + i * ctx->width,
fr->data[0] + offset[0] + i * fr->linesize[0], ctx->width);
}
for (i = 0; i < chroma_h; i++) {
memcpy(slice_byte_buffer + ctx->width * ctx->height + chroma_w * shift_slice_position + i * chroma_w,
fr->data[1] + offset[1] + i * fr->linesize[1], chroma_w);
}
for (i = 0; i < chroma_h; i++) {
memcpy(slice_byte_buffer + ctx->width * ctx->height + chroma_w * shift_height + chroma_w * shift_slice_position + i * chroma_w,
fr->data[2] + offset[2] + i * fr->linesize[2], chroma_w);
}
}
static int video_decode(const char *input_filename)
{
AVCodec *codec = NULL;
AVCodecContext *origin_ctx = NULL, *ctx= NULL;
uint8_t *byte_buffer = NULL;
AVFrame *fr = NULL;
AVPacket pkt;
AVFormatContext *fmt_ctx = NULL;
int number_of_written_bytes;
int video_stream;
int got_frame = 0;
int byte_buffer_size;
int result;
int end_of_stream = 0;
draw_horiz_band_called = 0;
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;
}
ctx->draw_horiz_band = draw_horiz_band;
ctx->thread_count = 1;
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);
}
if (strcmp(codec->name, "flv") && strcmp(codec->name, "mpeg4") && strcmp(codec->name, "huffyuv")) {
av_log(NULL, AV_LOG_ERROR, "Wrong codec\n");
return -1;
}
byte_buffer_size = av_image_get_buffer_size(ctx->pix_fmt, ctx->width, ctx->height, 32);
byte_buffer = av_malloc(byte_buffer_size);
if (!byte_buffer) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate buffer\n");
return AVERROR(ENOMEM);
}
slice_byte_buffer = av_malloc(byte_buffer_size);
if (!slice_byte_buffer) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate buffer\n");
return AVERROR(ENOMEM);
}
memset(slice_byte_buffer, 0, byte_buffer_size);
slice_byte_buffer_size = byte_buffer_size;
av_init_packet(&pkt);
do {
if (!end_of_stream) {
if (av_read_frame(fmt_ctx, &pkt) < 0) {
end_of_stream = 1;
}
}
if (end_of_stream) {
pkt.data = NULL;
pkt.size = 0;
}
if (pkt.stream_index == video_stream || end_of_stream) {
got_frame = 0;
result = avcodec_decode_video2(ctx, fr, &got_frame, &pkt);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
return result;
}
if (got_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;
}
if (draw_horiz_band_called == 0) {
av_log(NULL, AV_LOG_ERROR, "draw_horiz_band haven't been called!\n");
return -1;
}
if (av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes) !=
av_adler32_update(0, (const uint8_t*)slice_byte_buffer, number_of_written_bytes)) {
av_log(NULL, AV_LOG_ERROR, "Decoded frames with and without draw_horiz_band are not the same!\n");
return -1;
}
}
av_free_packet(&pkt);
av_init_packet(&pkt);
}
} while (!end_of_stream || got_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);
av_freep(&slice_byte_buffer);
return 0;
}
int main(int argc, char **argv)
{
if (argc < 2)
{
av_log(NULL, AV_LOG_ERROR, "Incorrect input: expected %s <name of a video file>\nNote that test works only for huffyuv, flv and mpeg4 decoders\n", argv[0]);
return 1;
}
av_register_all();
if (video_decode(argv[1]) != 0)
return 1;
return 0;
}

276
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/tests/api/api-flac-test.c Normal file
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@@ -0,0 +1,276 @@
/*
* Copyright (c) 2015 Ludmila Glinskih
* Copyright (c) 2001 Fabrice Bellard
*
* 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.
*/
/*
* FLAC codec test.
* Encodes raw data to FLAC format and decodes it back to raw. Compares raw-data
* after that.
*/
#include "libavcodec/avcodec.h"
#include "libavutil/common.h"
#include "libavutil/samplefmt.h"
#define NUMBER_OF_FRAMES 200
#define NAME_BUFF_SIZE 100
/* generate i-th frame of test audio */
static int generate_raw_frame(uint16_t *frame_data, int i, int sample_rate,
int channels, int frame_size)
{
int j, k;
for (j = 0; j < frame_size; j++) {
frame_data[channels * j] = 10000 * ((j / 10 * i) % 2);
for (k = 1; k < channels; k++)
frame_data[channels * j + k] = frame_data[channels * j] * (k + 1);
}
return 0;
}
static int init_encoder(AVCodec *enc, AVCodecContext **enc_ctx,
int64_t ch_layout, int sample_rate)
{
AVCodecContext *ctx;
int result;
char name_buff[NAME_BUFF_SIZE];
av_get_channel_layout_string(name_buff, NAME_BUFF_SIZE, 0, ch_layout);
av_log(NULL, AV_LOG_INFO, "channel layout: %s, sample rate: %i\n", name_buff, sample_rate);
ctx = avcodec_alloc_context3(enc);
if (!ctx) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate encoder context\n");
return AVERROR(ENOMEM);
}
ctx->sample_fmt = AV_SAMPLE_FMT_S16;
ctx->sample_rate = sample_rate;
ctx->channel_layout = ch_layout;
result = avcodec_open2(ctx, enc, NULL);
if (result < 0) {
av_log(ctx, AV_LOG_ERROR, "Can't open encoder\n");
return result;
}
*enc_ctx = ctx;
return 0;
}
static int init_decoder(AVCodec *dec, AVCodecContext **dec_ctx,
int64_t ch_layout)
{
AVCodecContext *ctx;
int result;
ctx = avcodec_alloc_context3(dec);
if (!ctx) {
av_log(NULL, AV_LOG_ERROR , "Can't allocate decoder context\n");
return AVERROR(ENOMEM);
}
ctx->request_sample_fmt = AV_SAMPLE_FMT_S16;
/* XXX: FLAC ignores it for some reason */
ctx->request_channel_layout = ch_layout;
ctx->channel_layout = ch_layout;
result = avcodec_open2(ctx, dec, NULL);
if (result < 0) {
av_log(ctx, AV_LOG_ERROR, "Can't open decoder\n");
return result;
}
*dec_ctx = ctx;
return 0;
}
static int run_test(AVCodec *enc, AVCodec *dec, AVCodecContext *enc_ctx,
AVCodecContext *dec_ctx)
{
AVPacket enc_pkt;
AVFrame *in_frame, *out_frame;
uint8_t *raw_in = NULL, *raw_out = NULL;
int in_offset = 0, out_offset = 0;
int result = 0;
int got_output = 0;
int i = 0;
int in_frame_bytes, out_frame_bytes;
in_frame = av_frame_alloc();
if (!in_frame) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate input frame\n");
return AVERROR(ENOMEM);
}
in_frame->nb_samples = enc_ctx->frame_size;
in_frame->format = enc_ctx->sample_fmt;
in_frame->channel_layout = enc_ctx->channel_layout;
if (av_frame_get_buffer(in_frame, 32) != 0) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate a buffer for input frame\n");
return AVERROR(ENOMEM);
}
out_frame = av_frame_alloc();
if (!out_frame) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate output frame\n");
return AVERROR(ENOMEM);
}
raw_in = av_malloc(in_frame->linesize[0] * NUMBER_OF_FRAMES);
if (!raw_in) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate memory for raw_in\n");
return AVERROR(ENOMEM);
}
raw_out = av_malloc(in_frame->linesize[0] * NUMBER_OF_FRAMES);
if (!raw_out) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate memory for raw_out\n");
return AVERROR(ENOMEM);
}
for (i = 0; i < NUMBER_OF_FRAMES; i++) {
av_init_packet(&enc_pkt);
enc_pkt.data = NULL;
enc_pkt.size = 0;
generate_raw_frame((uint16_t*)(in_frame->data[0]), i, enc_ctx->sample_rate,
enc_ctx->channels, enc_ctx->frame_size);
in_frame_bytes = in_frame->nb_samples * av_frame_get_channels(in_frame) * sizeof(uint16_t);
if (in_frame_bytes > in_frame->linesize[0]) {
av_log(NULL, AV_LOG_ERROR, "Incorrect value of input frame linesize\n");
return 1;
}
memcpy(raw_in + in_offset, in_frame->data[0], in_frame_bytes);
in_offset += in_frame_bytes;
result = avcodec_encode_audio2(enc_ctx, &enc_pkt, in_frame, &got_output);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error encoding audio frame\n");
return result;
}
/* if we get an encoded packet, feed it straight to the decoder */
if (got_output) {
result = avcodec_decode_audio4(dec_ctx, out_frame, &got_output, &enc_pkt);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding audio packet\n");
return result;
}
if (got_output) {
if (result != enc_pkt.size) {
av_log(NULL, AV_LOG_INFO, "Decoder consumed only part of a packet, it is allowed to do so -- need to update this test\n");
return AVERROR_UNKNOWN;
}
if (in_frame->nb_samples != out_frame->nb_samples) {
av_log(NULL, AV_LOG_ERROR, "Error frames before and after decoding has different number of samples\n");
return AVERROR_UNKNOWN;
}
if (in_frame->channel_layout != out_frame->channel_layout) {
av_log(NULL, AV_LOG_ERROR, "Error frames before and after decoding has different channel layout\n");
return AVERROR_UNKNOWN;
}
if (in_frame->format != out_frame->format) {
av_log(NULL, AV_LOG_ERROR, "Error frames before and after decoding has different sample format\n");
return AVERROR_UNKNOWN;
}
out_frame_bytes = out_frame->nb_samples * av_frame_get_channels(out_frame) * sizeof(uint16_t);
if (out_frame_bytes > out_frame->linesize[0]) {
av_log(NULL, AV_LOG_ERROR, "Incorrect value of output frame linesize\n");
return 1;
}
memcpy(raw_out + out_offset, out_frame->data[0], out_frame_bytes);
out_offset += out_frame_bytes;
}
}
av_free_packet(&enc_pkt);
}
if (memcmp(raw_in, raw_out, out_frame_bytes * NUMBER_OF_FRAMES) != 0) {
av_log(NULL, AV_LOG_ERROR, "Output differs\n");
return 1;
}
av_log(NULL, AV_LOG_INFO, "OK\n");
av_freep(&raw_in);
av_freep(&raw_out);
av_frame_free(&in_frame);
av_frame_free(&out_frame);
return 0;
}
static int close_encoder(AVCodecContext **enc_ctx)
{
avcodec_close(*enc_ctx);
av_freep(enc_ctx);
return 0;
}
static int close_decoder(AVCodecContext **dec_ctx)
{
avcodec_close(*dec_ctx);
av_freep(dec_ctx);
return 0;
}
int main(void)
{
AVCodec *enc = NULL, *dec = NULL;
AVCodecContext *enc_ctx = NULL, *dec_ctx = NULL;
uint64_t channel_layouts[] = {AV_CH_LAYOUT_STEREO, AV_CH_LAYOUT_5POINT1_BACK, AV_CH_LAYOUT_SURROUND, AV_CH_LAYOUT_STEREO_DOWNMIX};
int sample_rates[] = {8000, 44100, 48000, 192000};
int cl, sr;
avcodec_register_all();
enc = avcodec_find_encoder(AV_CODEC_ID_FLAC);
if (!enc) {
av_log(NULL, AV_LOG_ERROR, "Can't find encoder\n");
return 1;
}
dec = avcodec_find_decoder(AV_CODEC_ID_FLAC);
if (!dec) {
av_log(NULL, AV_LOG_ERROR, "Can't find decoder\n");
return 1;
}
for (cl = 0; cl < FF_ARRAY_ELEMS(channel_layouts); cl++) {
for (sr = 0; sr < FF_ARRAY_ELEMS(sample_rates); sr++) {
if (init_encoder(enc, &enc_ctx, channel_layouts[cl], sample_rates[sr]) != 0)
return 1;
if (init_decoder(dec, &dec_ctx, channel_layouts[cl]) != 0)
return 1;
if (run_test(enc, dec, enc_ctx, dec_ctx) != 0)
return 1;
close_encoder(&enc_ctx);
close_decoder(&dec_ctx);
}
}
return 0;
}

166
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/tests/api/api-h264-test.c Normal file
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@@ -0,0 +1,166 @@
/*
* 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 got_frame = 0;
int byte_buffer_size;
int i = 0;
int result;
int end_of_stream = 0;
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);
do {
if (!end_of_stream)
if (av_read_frame(fmt_ctx, &pkt) < 0)
end_of_stream = 1;
if (end_of_stream) {
pkt.data = NULL;
pkt.size = 0;
}
if (pkt.stream_index == video_stream || end_of_stream) {
got_frame = 0;
if (pkt.pts == AV_NOPTS_VALUE)
pkt.pts = pkt.dts = i;
result = avcodec_decode_video2(ctx, fr, &got_frame, &pkt);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
return result;
}
if (got_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++;
} while (!end_of_stream || got_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;
}

278
contrib/sdk/sources/ffmpeg/ffmpeg-2.8/tests/api/api-seek-test.c Normal file
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/*
* 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.
*/
/**
* Seek test.
*/
#include "libavutil/adler32.h"
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavutil/imgutils.h"
int64_t *pts_array;
int64_t *crc_array;
int size_of_array;
int number_of_elements;
static int add_crc_to_array(int64_t crc, int64_t pts)
{
if (size_of_array <= number_of_elements) {
if (size_of_array == 0)
size_of_array = 10;
size_of_array *= 2;
crc_array = av_realloc(crc_array, size_of_array * sizeof(int64_t));
pts_array = av_realloc(pts_array, size_of_array * sizeof(int64_t));
if ((crc_array == NULL) || (pts_array == NULL)) {
av_log(NULL, AV_LOG_ERROR, "Can't allocate array to store crcs\n");
return AVERROR(ENOMEM);
}
}
crc_array[number_of_elements] = crc;
pts_array[number_of_elements] = pts;
number_of_elements++;
return 0;
}
static int compare_crc_in_array(int64_t crc, int64_t pts)
{
int i;
for (i = 0; i < number_of_elements; i++) {
if (pts_array[i] == pts) {
if (crc_array[i] == crc) {
printf("Comparing 0x%08lx %"PRId64" %d is OK\n", crc, pts, i);
return 0;
}
else {
av_log(NULL, AV_LOG_ERROR, "Incorrect crc of a frame after seeking\n");
return -1;
}
}
}
av_log(NULL, AV_LOG_ERROR, "Incorrect pts of a frame after seeking\n");
return -1;
}
static int compute_crc_of_packets(AVFormatContext *fmt_ctx, int video_stream,
AVCodecContext *ctx, AVFrame *fr, uint64_t ts_start, uint64_t ts_end, int no_seeking)
{
int number_of_written_bytes;
int got_frame = 0;
int result;
int end_of_stream = 0;
int byte_buffer_size;
uint8_t *byte_buffer;
int64_t crc;
AVPacket pkt;
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);
}
if (!no_seeking) {
result = av_seek_frame(fmt_ctx, video_stream, ts_start, AVSEEK_FLAG_ANY);
printf("Seeking to %"PRId64", computing crc for frames with pts < %"PRId64"\n", ts_start, ts_end);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error in seeking\n");
return result;
}
avcodec_flush_buffers(ctx);
}
av_init_packet(&pkt);
do {
if (!end_of_stream)
if (av_read_frame(fmt_ctx, &pkt) < 0)
end_of_stream = 1;
if (end_of_stream) {
pkt.data = NULL;
pkt.size = 0;
}
if (pkt.stream_index == video_stream || end_of_stream) {
got_frame = 0;
if ((pkt.pts == AV_NOPTS_VALUE) && (!end_of_stream)) {
av_log(NULL, AV_LOG_ERROR, "Error: frames doesn't have pts values\n");
return -1;
}
result = avcodec_decode_video2(ctx, fr, &got_frame, &pkt);
if (result < 0) {
av_log(NULL, AV_LOG_ERROR, "Error decoding frame\n");
return result;
}
if (got_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;
}
if ((fr->pkt_pts > ts_end) && (!no_seeking))
break;
crc = av_adler32_update(0, (const uint8_t*)byte_buffer, number_of_written_bytes);
printf("%10"PRId64", 0x%08lx\n", fr->pkt_pts, crc);
if (no_seeking) {
if (add_crc_to_array(crc, fr->pkt_pts) < 0)
return -1;
}
else {
if (compare_crc_in_array(crc, fr->pkt_pts) < 0)
return -1;
}
}
}
av_free_packet(&pkt);
av_init_packet(&pkt);
} while ((!end_of_stream || got_frame) && (no_seeking || (fr->pkt_pts + av_frame_get_pkt_duration(fr) <= ts_end)));
av_free_packet(&pkt);
av_freep(&byte_buffer);
return 0;
}
static long int read_seek_range(const char *string_with_number)
{
long int number;
char *end_of_string = NULL;
number = strtol(string_with_number, &end_of_string, 10);
if ((strlen(string_with_number) != end_of_string - string_with_number) || (number < 0)) {
av_log(NULL, AV_LOG_ERROR, "Incorrect input ranges of seeking\n");
return -1;
}
else if ((number == LONG_MAX) || (number == LONG_MIN)) {
if (errno == ERANGE) {
av_log(NULL, AV_LOG_ERROR, "Incorrect input ranges of seeking\n");
return -1;
}
}
return number;
}
static int seek_test(const char *input_filename, const char *start, const char *end)
{
AVCodec *codec = NULL;
AVCodecContext *origin_ctx = NULL, *ctx= NULL;
AVFrame *fr = NULL;
AVFormatContext *fmt_ctx = NULL;
int video_stream;
int result;
int i, j;
long int start_ts, end_ts;
size_of_array = 0;
number_of_elements = 0;
crc_array = pts_array = NULL;
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;
}
start_ts = read_seek_range(start);
end_ts = read_seek_range(end);
if ((start_ts < 0) || (end_ts < 0))
return -1;
//TODO: add ability to work with audio format
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);
}
result = compute_crc_of_packets(fmt_ctx, video_stream, ctx, fr, i, j, 1);
if (result != 0)
return -1;
for (i = start_ts; i < end_ts; i += 100) {
for (j = i + 100; j < end_ts; j += 100)
result = compute_crc_of_packets(fmt_ctx, video_stream, ctx, fr, i, j, 0);
if (result != 0)
return -1;
}
av_freep(&crc_array);
av_freep(&pts_array);
av_frame_free(&fr);
avcodec_close(ctx);
avformat_close_input(&fmt_ctx);
avcodec_free_context(&ctx);
return 0;
}
int main(int argc, char **argv)
{
if (argc < 4) {
av_log(NULL, AV_LOG_ERROR, "Incorrect input\n");
return 1;
}
av_register_all();
if (seek_test(argv[1], argv[2], argv[3]) != 0)
return 1;
return 0;
}