[FFmpeg-devel] [PATCH] api-seek-test: first version
Michael Niedermayer
michaelni at gmx.at
Mon Jul 6 14:27:56 CEST 2015
On Sun, Jul 05, 2015 at 02:29:49AM +0300, Ludmila Glinskih wrote:
> 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);
its probably better to use strtol and check if the strings where
parsed correctly/fully
also the test fails on non-x86
you probably need to set the bitexact flag and maybe
idct_algo to simple
--- /home/michael/ffmpeg-git/ffmpeg/tests/ref/fate/api-seek 2015-07-06 14:05:15.920916061 +0200
+++ tests/data/fate/api-seek 2015-07-06 14:22:48.212938230 +0200
@@ -1,147 +1,147 @@
Seeking to 0, computing crc for frames with pts < 100
- 0, 0xb2dc8196
- 40, 0x73fedc3d
- 80, 0x721c70bb
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
Seeking to 0, computing crc for frames with pts < 200
- 0, 0xb2dc8196
- 40, 0x73fedc3d
- 80, 0x721c70bb
- 120, 0x0d2cb4a5
- 160, 0xa564b434
- 200, 0x4c0bbb77
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
+ 120, 0xd495b4b0
+ 160, 0x6791b448
+ 200, 0xbe2fbb7c
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
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
+ 120, 0xd495b4b0
+ 160, 0x6791b448
+ 200, 0xbe2fbb7c
+ 240, 0xcbb1dd3f
+ 280, 0xbbbfb017
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
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
+ 120, 0xd495b4b0
+ 160, 0x6791b448
+ 200, 0xbe2fbb7c
+ 240, 0xcbb1dd3f
+ 280, 0xbbbfb017
+ 320, 0x2fd96dfb
+ 360, 0x358aeaa0
+ 400, 0xb11a33d7
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
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
+ 120, 0xd495b4b0
+ 160, 0x6791b448
+ 200, 0xbe2fbb7c
+ 240, 0xcbb1dd3f
+ 280, 0xbbbfb017
+ 320, 0x2fd96dfb
+ 360, 0x358aeaa0
+ 400, 0xb11a33d7
+ 440, 0x5b22359b
+ 480, 0xc580a98b
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
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
+ 120, 0xd495b4b0
+ 160, 0x6791b448
+ 200, 0xbe2fbb7c
+ 240, 0xcbb1dd3f
+ 280, 0xbbbfb017
+ 320, 0x2fd96dfb
+ 360, 0x358aeaa0
+ 400, 0xb11a33d7
+ 440, 0x5b22359b
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
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
+ 0, 0x8fdb8199
+ 40, 0x2478dc43
+ 80, 0xf82c70c5
+ 120, 0xd495b4b0
+ 160, 0x6791b448
+ 200, 0xbe2fbb7c
+ 240, 0xcbb1dd3f
+ 280, 0xbbbfb017
+ 320, 0x2fd96dfb
+ 360, 0x358aeaa0
+ 400, 0xb11a33d7
+ 440, 0x5b22359b
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
+ 640, 0x35825d30
+ 680, 0xa1d54af0
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
+ 480, 0xc580a98b
Seeking to 100, computing crc for frames with pts < 600
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
Seeking to 100, computing crc for frames with pts < 700
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
- 640, 0x4df05d28
- 680, 0xca4c4ae2
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
+ 640, 0x35825d30
+ 680, 0xa1d54af0
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
+ 480, 0xc580a98b
Seeking to 200, computing crc for frames with pts < 600
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
Seeking to 200, computing crc for frames with pts < 700
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
- 640, 0x4df05d28
- 680, 0xca4c4ae2
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
+ 640, 0x35825d30
+ 680, 0xa1d54af0
Seeking to 300, computing crc for frames with pts < 400
Seeking to 300, computing crc for frames with pts < 500
- 480, 0x7109a980
+ 480, 0xc580a98b
Seeking to 300, computing crc for frames with pts < 600
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
Seeking to 300, computing crc for frames with pts < 700
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
- 640, 0x4df05d28
- 680, 0xca4c4ae2
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
+ 640, 0x35825d30
+ 680, 0xa1d54af0
Seeking to 400, computing crc for frames with pts < 500
- 480, 0x7109a980
+ 480, 0xc580a98b
Seeking to 400, computing crc for frames with pts < 600
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
Seeking to 400, computing crc for frames with pts < 700
- 480, 0x7109a980
- 520, 0x55b42bd3
- 560, 0x3159b2d0
- 600, 0xf3832ae8
- 640, 0x4df05d28
- 680, 0xca4c4ae2
+ 480, 0xc580a98b
+ 520, 0x6bdc2be2
+ 560, 0xcec6b2de
+ 600, 0x85372af3
+ 640, 0x35825d30
+ 680, 0xa1d54af0
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
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
When the tyrant has disposed of foreign enemies by conquest or treaty, and
there is nothing more to fear from them, then he is always stirring up
some war or other, in order that the people may require a leader. -- Plato
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