Re: [FFmpeg-devel] [PATCH v10 2/8] tests: Add stream dump test API util.

[Michael Niedermayer <michael@niedermayer.cc>]

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On Wed, Apr 02, 2025 at 01:29:34PM -0500, Romain Beauxis wrote:
> ---
>  tests/Makefile                        |   1 +
>  tests/api/Makefile                    |   2 +-
>  tests/api/api-dump-stream-meta-test.c | 175 ++++++++++++++++++++++++++
>  3 files changed, 177 insertions(+), 1 deletion(-)
>  create mode 100644 tests/api/api-dump-stream-meta-test.c
> 
> diff --git a/tests/Makefile b/tests/Makefile
> index f9f5fc07f3..1f7e5003c2 100644
> --- a/tests/Makefile
> +++ b/tests/Makefile
> @@ -277,6 +277,7 @@ $(FATE_FFPROBE) $(FATE_FFMPEG_FFPROBE) $(FATE_SAMPLES_FFPROBE) $(FATE_SAMPLES_FF
>  $(FATE_SAMPLES_FASTSTART): tools/qt-faststart$(EXESUF)
>  $(FATE_SAMPLES_DUMP_DATA) $(FATE_SAMPLES_DUMP_DATA-yes): tools/venc_data_dump$(EXESUF)
>  $(FATE_SAMPLES_SCALE_SLICE): tools/scale_slice_test$(EXESUF)
> +$(FATE_SAMPLES_DUMP_STREAM_META): tests/api/api-dump-stream-meta-test$(EXESUF)
>  
>  ifdef SAMPLES
>  FATE += $(FATE_EXTERN)
> diff --git a/tests/api/Makefile b/tests/api/Makefile
> index c96e636756..a2cb06a729 100644
> --- a/tests/api/Makefile
> +++ b/tests/api/Makefile
> @@ -1,7 +1,7 @@
>  APITESTPROGS-$(call ENCDEC, FLAC, FLAC) += api-flac
>  APITESTPROGS-$(call DEMDEC, H264, H264) += api-h264
>  APITESTPROGS-$(call DEMDEC, H264, H264) += api-h264-slice
> -APITESTPROGS-yes += api-seek
> +APITESTPROGS-yes += api-seek api-dump-stream-meta
>  APITESTPROGS-$(call DEMDEC, H263, H263) += api-band
>  APITESTPROGS-$(HAVE_THREADS) += api-threadmessage
>  APITESTPROGS += $(APITESTPROGS-yes)
> diff --git a/tests/api/api-dump-stream-meta-test.c b/tests/api/api-dump-stream-meta-test.c
> new file mode 100644
> index 0000000000..906d355fe3
> --- /dev/null
> +++ b/tests/api/api-dump-stream-meta-test.c
> @@ -0,0 +1,175 @@
> +/*
> + * Copyright (c) 2025 Romain Beauxis
> + *
> + * 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.
> + */
> +
> +/**
> + * Dump stream metadata
> + */
> +
> +#include "libavcodec/avcodec.h"
> +#include "libavformat/avformat.h"
> +#include "libavutil/timestamp.h"
> +
> +static int dump_stream_meta(const char *input_filename) {
> +    const AVCodec *codec = NULL;
> +    AVPacket *pkt = NULL;
> +    AVFrame *fr = NULL;
> +    AVFormatContext *fmt_ctx = NULL;
> +    AVCodecContext *ctx = NULL;
> +    AVCodecParameters *origin_par = NULL;
> +    AVStream *st;
> +    int stream_idx = 0;
> +    int result;
> +    char *metadata;
> +
> +    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");
> +        goto end;
> +    }
> +

> +    if (fmt_ctx->nb_streams > 1) {
> +	av_log(NULL, AV_LOG_ERROR, "More than one stream found in input!\n");
> +	goto end;
> +    }

2 stray tab in indent


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