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So I've encoded an raw DTS 5.1 stream with ffmpeg to OPUS

Code:

ffmpeg -i test.mkv -map 0:1 -acodec libopus -b:a 384k -mapping_family 255 testout.mkv

Now MPV will playback the Audio just fine, but VLC as of 3.0.12 won't. I'm on Windows 10 if that matters, although it should not.

It shows opus correctly in the Codec information:

And here's the ffprobe output:

Code:

Stream #0:1(ger): Audio: opus, 48000 Hz, 5.1, fltp (default) Metadata: BPS-eng : 1509000 DURATION-eng : 00:45:05.120000000 NUMBER_OF_FRAMES-eng: 253605 NUMBER_OF_BYTES-eng: 510253260 _STATISTICS_WRITING_APP-eng: mkvmerge v52.0.0 ('Secret For The Mad') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2021-01-27 16:32:48 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES ENCODER : Lavc58.119.100 libopus DURATION : 00:45:05.127000000

Is that an actual issue or am I too dumb to fix that

VLC Log says:

Code:

opus error: Unsupported Channel Mapping