Libavcodec regressions: Difference between revisions
m →To be investigated issues: Link to bug #10493 |
|||
| (13 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
== To be investigated issues == | |||
=== RMVB deadlocking === | |||
With threads >= 1 and libav | |||
See https://trac.videolan.org/vlc/ticket/10493 | |||
== Open issues == | == Open issues == | ||
=== | == Closed issues == | ||
=== MTS regression (worked-around) === | |||
Possibly VLC TS demuxer does not output correct IDR information. | |||
Whether the demuxer is wrong or not, it fails with libav, but it works with FFmpeg. | |||
See https://trac.videolan.org/vlc/ticket/10140 and http://streams.videolan.org/issues/10140/MTS%20AVCHD%20Lite%20files%20no%20picture%20bug%20since%20v.2.1.1.MTS | |||
=== VC1i === | |||
Some VC1i sample did not work in libav: | |||
http://streams.videolan.org/issues/5887/Journey%20to%20the%20Edge%20of%20the%20Universe%20sample.mkv | |||
=== FFv1 v1.3 support === | === FFv1 v1.3 support === | ||
See | See https://trac.videolan.org/vlc/ticket/9606 | ||
<span style="text-decoration: line-through">The sample here related https://trac.videolan.org/vlc/ticket/8691#no4 is now fixed [[User:J-b|jb]] ([[User talk:J-b|talk]]) 16:30, 28 December 2013 (CET) | <span style="text-decoration: line-through">The sample here related https://trac.videolan.org/vlc/ticket/8691#no4 is now fixed [[User:J-b|jb]] ([[User talk:J-b|talk]]) 16:30, 28 December 2013 (CET) | ||
| Line 19: | Line 34: | ||
Samples here: http://streams.videolan.org/issues/7375/YV12.avi and http://streams.videolan.org/issues/7375/mechanical.cut.avi | Samples here: http://streams.videolan.org/issues/7375/YV12.avi and http://streams.videolan.org/issues/7375/mechanical.cut.avi | ||
=== Xvid Matrix === | |||
XVid "Bulletproof's Heavy Compression Matrix" fails in libav, works in FFmpeg. | |||
See https://trac.videolan.org/vlc/ticket/7411 and sample here https://trac.videolan.org/vlc/raw-attachment/ticket/7411/sample.avi | |||
Solution here: https://git.libav.org/?p=libav.git;a=commit;h=7716dd9fbbcea2700a100c995df967d5547c2eb9 | |||
=== non-SSE2 playback === | === non-SSE2 playback === | ||
VLC fails to play on non-SSE2 machines | VLC fails to play on non-SSE2 machines in libav | ||
See the bugreport here https://trac.videolan.org/vlc/ticket/10203 | See the bugreport here https://trac.videolan.org/vlc/ticket/10203 | ||
and see the numerous complaints on the forum here https://forum.videolan.org/viewtopic.php?f=2&t=115952&p=393815&hilit=athlon#p393815 | and see the numerous complaints on the forum here https://forum.videolan.org/viewtopic.php?f=2&t=115952&p=393815&hilit=athlon#p393815 | ||
== | Solution here: https://git.libav.org/?p=libav.git;a=commit;h=51daafb02eaf96e0743a37ce95a7f5d02c1fa3c2 | ||
=== | |||
=== HUffYUV === | |||
With FFmpeg, HuffYUv is broken. | |||
See https://trac.ffmpeg.org/ticket/3395 | |||
=== MXF playback broken - part 1 === | |||
No video on this 1080p50 sample in libav: | |||
http://streams.videolan.org/misc/mxf/1080p50.MXF | |||
=== MXF playback broken - part 2 === | |||
No seek after 4GB on this sample in libav http://streams.videolan.org/misc/mxf.zip | |||
See https://trac.videolan.org/vlc/ticket/10208 | |||
[[Category:Dev Discussions]] | |||
Latest revision as of 06:40, 19 March 2019
To be investigated issues
RMVB deadlocking
With threads >= 1 and libav
See https://trac.videolan.org/vlc/ticket/10493
Open issues
Closed issues
MTS regression (worked-around)
Possibly VLC TS demuxer does not output correct IDR information.
Whether the demuxer is wrong or not, it fails with libav, but it works with FFmpeg.
See https://trac.videolan.org/vlc/ticket/10140 and http://streams.videolan.org/issues/10140/MTS%20AVCHD%20Lite%20files%20no%20picture%20bug%20since%20v.2.1.1.MTS
VC1i
Some VC1i sample did not work in libav: http://streams.videolan.org/issues/5887/Journey%20to%20the%20Edge%20of%20the%20Universe%20sample.mkv
FFv1 v1.3 support
See https://trac.videolan.org/vlc/ticket/9606
The sample here related https://trac.videolan.org/vlc/ticket/8691#no4 is now fixed jb (talk) 16:30, 28 December 2013 (CET)
Lagarith YV12 direct-rendering
YV12 broken in libav when using direct-rendering. Numerous reports about that. https://forum.videolan.org/viewtopic.php?f=14&t=115983&hilit=lagarith
See https://trac.videolan.org/vlc/ticket/7375 and https://trac.videolan.org/vlc/ticket/9700
Samples here: http://streams.videolan.org/issues/7375/YV12.avi and http://streams.videolan.org/issues/7375/mechanical.cut.avi
Xvid Matrix
XVid "Bulletproof's Heavy Compression Matrix" fails in libav, works in FFmpeg.
See https://trac.videolan.org/vlc/ticket/7411 and sample here https://trac.videolan.org/vlc/raw-attachment/ticket/7411/sample.avi
Solution here: https://git.libav.org/?p=libav.git;a=commit;h=7716dd9fbbcea2700a100c995df967d5547c2eb9
non-SSE2 playback
VLC fails to play on non-SSE2 machines in libav
See the bugreport here https://trac.videolan.org/vlc/ticket/10203 and see the numerous complaints on the forum here https://forum.videolan.org/viewtopic.php?f=2&t=115952&p=393815&hilit=athlon#p393815
Solution here: https://git.libav.org/?p=libav.git;a=commit;h=51daafb02eaf96e0743a37ce95a7f5d02c1fa3c2
HUffYUV
With FFmpeg, HuffYUv is broken. See https://trac.ffmpeg.org/ticket/3395
MXF playback broken - part 1
No video on this 1080p50 sample in libav: http://streams.videolan.org/misc/mxf/1080p50.MXF
MXF playback broken - part 2
No seek after 4GB on this sample in libav http://streams.videolan.org/misc/mxf.zip