Libavcodec regressions: Difference between revisions

From VideoLAN Wiki
Jump to navigation Jump to search
No edit summary
Line 1: Line 1:
== Xvid Matrix ==
== Open issues ==
 
=== Xvid Matrix ===
XVid "Bulletproof's Heavy Compression Matrix" fails in libav, works in FFmpeg.
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
See https://trac.videolan.org/vlc/ticket/7411 and sample here https://trac.videolan.org/vlc/raw-attachment/ticket/7411/sample.avi


== MTS regression (worked-around) ==
=== FFv1 v1.3 support ===
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
 
== FFv1 v1.3 support ==
See  https://trac.videolan.org/vlc/ticket/9606
See  https://trac.videolan.org/vlc/ticket/9606


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)
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)


== Lagarith YV12 direct-rendering ==
=== Lagarith YV12 direct-rendering ===
YV12 broken in libav when using direct-rendering. Numerous reports about that.
YV12 broken in libav when using direct-rendering. Numerous reports about that.
https://forum.videolan.org/viewtopic.php?f=14&t=115983&hilit=lagarith
https://forum.videolan.org/viewtopic.php?f=14&t=115983&hilit=lagarith
Line 24: Line 19:
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


== non-SSE2 playback ==
=== non-SSE2 playback ===
VLC fails to play on non-SSE2 machines.
VLC fails to play on non-SSE2 machines.


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
== 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

Revision as of 17:56, 28 December 2013

Open issues

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

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

non-SSE2 playback

VLC fails to play on non-SSE2 machines.

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

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