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Date: Fri, 4 Apr 2025 22:40:57 +0200
From: Michael Niedermayer <michael@niedermayer.cc>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Message-ID: <20250404204057.GV4991@pb2>
References: <20250402182940.29726-1-romain.beauxis@gmail.com>
<20250402182940.29726-3-romain.beauxis@gmail.com>
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Subject: Re: [FFmpeg-devel] [PATCH v10 2/8] tests: Add stream dump test API
util.
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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
>=20
> 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)
> +$(FATE_SAMPLES_DUMP_STREAM_META): tests/api/api-dump-stream-meta-test$(E=
XESUF)
> =20
> ifdef SAMPLES
> FATE +=3D $(FATE_EXTERN)
> diff --git a/tests/api/Makefile b/tests/api/Makefile
> index c96e636756..a2cb06a729 100644
> --- a/tests/api/Makefile
> +++ b/tests/api/Makefile
> @@ -1,7 +1,7 @@
> APITESTPROGS-$(call ENCDEC, FLAC, FLAC) +=3D api-flac
> APITESTPROGS-$(call DEMDEC, H264, H264) +=3D api-h264
> APITESTPROGS-$(call DEMDEC, H264, H264) +=3D api-h264-slice
> -APITESTPROGS-yes +=3D api-seek
> +APITESTPROGS-yes +=3D api-seek api-dump-stream-meta
> APITESTPROGS-$(call DEMDEC, H263, H263) +=3D api-band
> APITESTPROGS-$(HAVE_THREADS) +=3D api-threadmessage
> APITESTPROGS +=3D $(APITESTPROGS-yes)
> diff --git a/tests/api/api-dump-stream-meta-test.c b/tests/api/api-dump-s=
tream-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 includ=
ed in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRE=
SS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILI=
TY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHA=
LL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR =
OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISI=
NG FROM,
> + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALING=
S 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 =3D NULL;
> + AVPacket *pkt =3D NULL;
> + AVFrame *fr =3D NULL;
> + AVFormatContext *fmt_ctx =3D NULL;
> + AVCodecContext *ctx =3D NULL;
> + AVCodecParameters *origin_par =3D NULL;
> + AVStream *st;
> + int stream_idx =3D 0;
> + int result;
> + char *metadata;
> +
> + result =3D 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 =3D 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
[...]
--=20
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
The real ebay dictionary, page 2
"100% positive feedback" - "All either got their money back or didnt compla=
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