Hi!
Attached patch is definitely a good idea imo, the mov demuxer also
sets codec_tag reading the same atom, for "A_MS/ACM" codec_tag is
already set.
Please comment, Carl Eugen
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index aad567a..95cebdd 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -2124,6 +2124,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
}
} else if (track->type == MATROSKA_TRACK_TYPE_AUDIO) {
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
+ st->codec->codec_tag = fourcc;
st->codec->sample_rate = track->audio.out_samplerate;
st->codec->channels = track->audio.channels;
if (!st->codec->bits_per_coded_sample)
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