Difference between revisions of "Libavcodec regressions"

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== 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
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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