---
tests/Makefile | 4 +
tests/api/Makefile | 2 +-
tests/api/api-dump-stream-meta-test.c | 177 +++++++++++++++++++++
tests/fate/ogg-flac.mak | 11 ++
tests/fate/ogg-opus.mak | 11 ++
tests/fate/ogg-vorbis.mak | 11 ++
tests/ref/fate/ogg-flac-chained-meta.txt | 12 ++
tests/ref/fate/ogg-opus-chained-meta.txt | 27 ++++
tests/ref/fate/ogg-vorbis-chained-meta.txt | 17 ++
9 files changed, 271 insertions(+), 1 deletion(-)
create mode 100644 tests/api/api-dump-stream-meta-test.c
create mode 100644 tests/fate/ogg-flac.mak
create mode 100644 tests/fate/ogg-opus.mak
create mode 100644 tests/fate/ogg-vorbis.mak
create mode 100644 tests/ref/fate/ogg-flac-chained-meta.txt
create mode 100644 tests/ref/fate/ogg-opus-chained-meta.txt
create mode 100644 tests/ref/fate/ogg-vorbis-chained-meta.txt
diff --git a/tests/Makefile b/tests/Makefile
index f9f5fc07f3..75b9bcc729 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -219,6 +219,9 @@ include $(SRC_PATH)/tests/fate/mpeg4.mak
include $(SRC_PATH)/tests/fate/mpegps.mak
include $(SRC_PATH)/tests/fate/mpegts.mak
include $(SRC_PATH)/tests/fate/mxf.mak
+include $(SRC_PATH)/tests/fate/ogg-vorbis.mak
+include $(SRC_PATH)/tests/fate/ogg-flac.mak
+include $(SRC_PATH)/tests/fate/ogg-opus.mak
include $(SRC_PATH)/tests/fate/oma.mak
include $(SRC_PATH)/tests/fate/opus.mak
include $(SRC_PATH)/tests/fate/pcm.mak
@@ -277,6 +280,7 @@ $(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..bbfbd1f30b
--- /dev/null
+++ b/tests/api/api-dump-stream-meta-test.c
@@ -0,0 +1,177 @@
+/*
+ * 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;
+ }
+
+ origin_par = fmt_ctx->streams[stream_idx]->codecpar;
+ st = fmt_ctx->streams[stream_idx];
+
+ result = av_dict_get_string(st->metadata, &metadata, '=', ':');
+ if (result < 0)
+ goto end;
+
+ printf("Stream ID: %d, codec name: %s, metadata: %s\n", stream_idx,
+ avcodec_get_name(origin_par->codec_id),
+ strlen(metadata) ? metadata : "N/A");
+
+ codec = avcodec_find_decoder(origin_par->codec_id);
+ if (!codec) {
+ av_log(NULL, AV_LOG_ERROR, "Can't find decoder\n");
+ result = AVERROR_DECODER_NOT_FOUND;
+ goto end;
+ }
+
+ ctx = avcodec_alloc_context3(codec);
+ if (!ctx) {
+ av_log(NULL, AV_LOG_ERROR, "Can't allocate decoder context\n");
+ result = AVERROR(ENOMEM);
+ goto end;
+ }
+
+ result = avcodec_parameters_to_context(ctx, origin_par);
+ if (result) {
+ av_log(NULL, AV_LOG_ERROR, "Can't copy decoder context\n");
+ goto end;
+ }
+
+ result = avcodec_open2(ctx, codec, NULL);
+ if (result < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Can't open decoder\n");
+ goto end;
+ }
+
+ pkt = av_packet_alloc();
+ if (!pkt) {
+ av_log(NULL, AV_LOG_ERROR, "Cannot allocate packet\n");
+ result = AVERROR(ENOMEM);
+ goto end;
+ }
+
+ fr = av_frame_alloc();
+ if (!fr) {
+ av_log(NULL, AV_LOG_ERROR, "Can't allocate frame\n");
+ result = AVERROR(ENOMEM);
+ goto end;
+ }
+
+ for (;;) {
+ result = av_read_frame(fmt_ctx, pkt);
+ if (result)
+ goto end;
+
+ if (pkt->stream_index != stream_idx) {
+ av_packet_unref(pkt);
+ continue;
+ }
+
+ printf("Stream ID: %d, packet PTS: %s, packet DTS: %s\n",
+ pkt->stream_index, av_ts2str(pkt->pts), av_ts2str(pkt->dts));
+
+ if (st->event_flags & AVSTREAM_EVENT_FLAG_METADATA_UPDATED) {
+ result = av_dict_get_string(st->metadata, &metadata, '=', ':');
+ if (result < 0)
+ goto end;
+
+ printf("Stream ID: %d, new metadata: %s\n", pkt->stream_index,
+ strlen(metadata) ? metadata : "N/A");
+
+ st->event_flags &= ~AVSTREAM_EVENT_FLAG_METADATA_UPDATED;
+ }
+
