#11433: "Error parsing Opus packet header" when extracting an Opus audio stream
from an MKV container
-------------------------------------+-------------------------------------
Reporter: idest | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
If I try executing this command:
{{{
ffmpeg.exe -hide_banner -i sample.mkv -vn -c:a copy audio.opus
}}}
I get the following output:
{{{
Input #0, matroska,webm, from 'sample.mkv':
Metadata:
MINOR_VERSION : 0
COMPATIBLE_BRANDS: iso6avc1mp41
MAJOR_BRAND : dash
ENCODER : Lavf61.9.106
Duration: 00:00:02.04, start: 0.000000, bitrate: 4006 kb/s
Stream #0:0: Video: h264 (High), yuv420p(tv, bt709, progressive),
1920x1080 [SAR 1:1 DAR 16:9], 29.97 fps, 29.97 tbr, 1k tbn (default)
Metadata:
HANDLER_NAME : ISO Media file produced by Google Inc.
VENDOR_ID : [0][0][0][0]
DURATION : 00:00:02.035000000
Stream #0:1(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
Metadata:
DURATION : 00:00:02.008000000
Stream mapping:
Stream #0:1 -> #0:0 (copy)
Output #0, opus, to 'audio.opus':
Metadata:
MINOR_VERSION : 0
COMPATIBLE_BRANDS: iso6avc1mp41
MAJOR_BRAND : dash
encoder : Lavf61.9.106
Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
Metadata:
DURATION : 00:00:02.008000000
MINOR_VERSION : 0
COMPATIBLE_BRANDS: iso6avc1mp41
MAJOR_BRAND : dash
encoder : Lavf61.9.106
Press [q] to stop, [?] for help
[opus @ 0000025d6ae586c0] Error parsing Opus packet header.
[out#0/opus @ 0000025d6ae17e40] video:0KiB audio:33KiB subtitle:0KiB other
streams:0KiB global headers:0KiB muxing overhead: 1.503042%
size= 33KiB time=00:00:02.00 bitrate= 136.1kbits/s speed= 571x
}}}
Notice the line "[opus @ 0000025d6ae586c0] Error parsing Opus packet
header".
While the resulting file, audio.opus, doesn't seem to have any errors, I
thought I should report this anyway.
Reported FFMpeg version: N-118325-gea381285e7-20250119.
OS: Windows 10 Home.
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11433>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
_______________________________________________
FFmpeg-trac mailing list
FFmpeg-trac@avcodec.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-trac
To unsubscribe, visit link above, or email
ffmpeg-trac-requ...@ffmpeg.org with subject "unsubscribe".
