Works only with video stream. --- tests/api/Makefile | 1 + tests/api/api-seek-test.c | 194 ++++++++++++++++++++++++++++++++++++++++++++++ tests/fate/api.mak | 4 + tests/ref/fate/api-seek | 147 +++++++++++++++++++++++++++++++++++ 4 files changed, 346 insertions(+) create mode 100644 tests/api/api-seek-test.c create mode 100644 tests/ref/fate/api-seek
diff --git a/tests/api/Makefile b/tests/api/Makefile index 704987e..59cbc7c 100644 --- a/tests/api/Makefile +++ b/tests/api/Makefile @@ -1,5 +1,6 @@ APITESTPROGS-$(call ENCDEC, FLAC, FLAC) += api-flac APITESTPROGS-$(call DEMDEC, H264, H264) += api-h264 +APITESTPROGS-yes += api-seek APITESTPROGS += $(APITESTPROGS-yes) APITESTOBJS := $(APITESTOBJS:%=$(APITESTSDIR)%) $(APITESTPROGS:%=$(APITESTSDIR)/%-test.o) diff --git a/tests/api/api-seek-test.c b/tests/api/api-seek-test.c new file mode 100644 index 0000000..85430a3 --- /dev/null +++ b/tests/api/api-seek-test.c @@ -0,0 +1,194 @@ +/* + * 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" + +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 number_of_written_bytes; + int got_frame = 0; + int result; + int end_of_stream = 0; + int byte_buffer_size; + uint8_t *byte_buffer; + 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); + } + + 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) { + 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) + break; + printf("%10"PRId64", 0x%08lx\n", fr->pkt_pts, av_adler32_update(0, (const uint8_t*)byte_buffer, + number_of_written_bytes)); + } + } + av_free_packet(&pkt); + av_init_packet(&pkt); + } while ((!end_of_stream || got_frame) && (fr->pkt_pts + av_frame_get_pkt_duration(fr) <= ts_end)); + + av_free_packet(&pkt); + av_freep(&byte_buffer); + + return 0; +} + +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; + int start_ts, end_ts; + + 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 = atoi(start); + end_ts = atoi(end); + + //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); + } + + 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); + if (result != 0) + return -1; + } + + 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; +} diff --git a/tests/fate/api.mak b/tests/fate/api.mak index 4a1ee81..6c2afff 100644 --- a/tests/fate/api.mak +++ b/tests/fate/api.mak @@ -8,6 +8,10 @@ FATE_API_SAMPLES_LIBAVFORMAT-$(call DEMDEC, H264, H264) += fate-api-h264 fate-api-h264: $(APITESTSDIR)/api-h264-test$(EXESUF) fate-api-h264: CMD = run $(APITESTSDIR)/api-h264-test $(TARGET_SAMPLES)/h264-conformance/SVA_NL2_E.264 +FATE_API_LIBAVFORMAT-yes += fate-api-seek +fate-api-seek: $(APITESTSDIR)/api-seek-test$(EXESUF) fate-lavf +fate-api-seek: CMD = run $(APITESTSDIR)/api-seek-test $(TARGET_PATH)/tests/data/lavf/lavf.flv 0 720 + FATE_API_SAMPLES-$(CONFIG_AVFORMAT) += $(FATE_API_SAMPLES_LIBAVFORMAT-yes) ifdef SAMPLES diff --git a/tests/ref/fate/api-seek b/tests/ref/fate/api-seek new file mode 100644 index 0000000..36f2e91 --- /dev/null +++ b/tests/ref/fate/api-seek @@ -0,0 +1,147 @@ +Seeking to 0, computing crc for frames with pts < 100 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb +Seeking to 0, computing crc for frames with pts < 200 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb + 120, 0x0d2cb4a5 + 160, 0xa564b434 + 200, 0x4c0bbb77 +Seeking to 0, computing crc for frames with pts < 300 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb + 120, 0x0d2cb4a5 + 160, 0xa564b434 + 200, 0x4c0bbb77 + 240, 0xc82add37 + 280, 0x1b9bb00e +Seeking to 0, computing crc for frames with pts < 400 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb + 120, 0x0d2cb4a5 + 160, 0xa564b434 + 200, 0x4c0bbb77 + 240, 0xc82add37 + 280, 0x1b9bb00e + 320, 0x30666df5 + 360, 0x9799ea95 + 400, 0x2aa833bf +Seeking to 0, computing crc for frames with pts < 500 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb + 120, 0x0d2cb4a5 + 160, 0xa564b434 + 200, 0x4c0bbb77 + 240, 0xc82add37 + 280, 0x1b9bb00e + 320, 0x30666df5 + 360, 0x9799ea95 + 400, 0x2aa833bf + 440, 0x6917358c + 480, 0x7109a980 +Seeking to 0, computing crc for frames with pts < 600 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb + 120, 0x0d2cb4a5 + 160, 0xa564b434 + 200, 0x4c0bbb77 + 240, 0xc82add37 + 280, 0x1b9bb00e + 320, 0x30666df5 + 360, 0x9799ea95 + 400, 0x2aa833bf + 440, 0x6917358c + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 +Seeking to 0, computing crc for frames with pts < 700 + 0, 0xb2dc8196 + 40, 0x73fedc3d + 80, 0x721c70bb + 120, 0x0d2cb4a5 + 160, 0xa564b434 + 200, 0x4c0bbb77 + 240, 0xc82add37 + 280, 0x1b9bb00e + 320, 0x30666df5 + 360, 0x9799ea95 + 400, 0x2aa833bf + 440, 0x6917358c + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 + 640, 0x4df05d28 + 680, 0xca4c4ae2 +Seeking to 100, computing crc for frames with pts < 200 +Seeking to 100, computing crc for frames with pts < 300 +Seeking to 100, computing crc for frames with pts < 400 +Seeking to 100, computing crc for frames with pts < 500 + 480, 0x7109a980 +Seeking to 100, computing crc for frames with pts < 600 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 +Seeking to 100, computing crc for frames with pts < 700 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 + 640, 0x4df05d28 + 680, 0xca4c4ae2 +Seeking to 200, computing crc for frames with pts < 300 +Seeking to 200, computing crc for frames with pts < 400 +Seeking to 200, computing crc for frames with pts < 500 + 480, 0x7109a980 +Seeking to 200, computing crc for frames with pts < 600 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 +Seeking to 200, computing crc for frames with pts < 700 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 + 640, 0x4df05d28 + 680, 0xca4c4ae2 +Seeking to 300, computing crc for frames with pts < 400 +Seeking to 300, computing crc for frames with pts < 500 + 480, 0x7109a980 +Seeking to 300, computing crc for frames with pts < 600 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 +Seeking to 300, computing crc for frames with pts < 700 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 + 640, 0x4df05d28 + 680, 0xca4c4ae2 +Seeking to 400, computing crc for frames with pts < 500 + 480, 0x7109a980 +Seeking to 400, computing crc for frames with pts < 600 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 +Seeking to 400, computing crc for frames with pts < 700 + 480, 0x7109a980 + 520, 0x55b42bd3 + 560, 0x3159b2d0 + 600, 0xf3832ae8 + 640, 0x4df05d28 + 680, 0xca4c4ae2 +Seeking to 500, computing crc for frames with pts < 600 +Seeking to 500, computing crc for frames with pts < 700 +Seeking to 600, computing crc for frames with pts < 700 -- 1.9.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel