[FFmpeg-devel] [PATCH] api-seek-test: first version

[Michael Niedermayer]

On Thu, Jul 02, 2015 at 06:55:36PM +0300, Ludmila Glinskih wrote:
> Works only with video stream.
> ---
>  tests/api/Makefile        |   1 +
>  tests/api/api-seek-test.c | 197 ++++++++++++++++++++++++++++++++++++++++++++++
>  tests/fate/api.mak        |   4 +
>  tests/ref/fate/api-seek   | 147 ++++++++++++++++++++++++++++++++++
>  4 files changed, 349 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..9f8bad9
> --- /dev/null
> +++ b/tests/api/api-seek-test.c
> @@ -0,0 +1,197 @@
> +/*
> + * 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)
> +        {

inconsistent placement of "{"


[...]
> diff --git a/tests/fate/api.mak b/tests/fate/api.mak
> index da50036..005554d 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 $(TARGET_SAMPLES)/h264-conformance/SVA_NL2_E.264
>  
> +FATE_API_SAMPLES-LIBAVFORMAT-$(call DEMDEC, H264, H264) += fate-api-seek
> +fate-api-seek: $(APITESTSDIR)/api-seek-test$(EXESUF)
> +fate-api-seek: CMD = run $(APITESTSDIR)/api-seek-test $(TARGET_PATH)/tests/data/lavf/lavf.flv 0 720

this is missing a depandancy on the flv file used for testing so its
possible that this file hasnt been generated.
also maybe its easier to use a fate sample, instead of a generated
file


[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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