Opened 5 years ago

Closed 5 years ago

Last modified 5 years ago

#427 closed defect (fixed)

Visible artefacts with packed B-frames

Reported by: cehoyos Owned by:
Priority: important Component: avcodec
Version: git-master Keywords: asp
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

Regression since a0cd98b5943a7807aff837f9adba1dd034ec2272, related to ticket #127
(The initial artefacts are unrelated.)

$ ffmpeg -i OUTPUT2.avi -an -qscale 2 out.avi
ffmpeg version N-32290-g6fc1299, Copyright (c) 2000-2011 the FFmpeg developers
  built on Sep  2 2011 13:02:00 with gcc 4.5.3
  configuration: --cc=/usr/local/gcc-4.5.3/bin/gcc
  libavutil    51. 14. 0 / 51. 14. 0
  libavcodec   53. 12. 0 / 53. 12. 0
  libavformat  53. 10. 0 / 53. 10. 0
  libavdevice  53.  3. 0 / 53.  3. 0
  libavfilter   2. 37. 0 /  2. 37. 0
  libswscale    2.  0. 0 /  2.  0. 0
[avi @ 0x12a1420] Format avi probed with size=2048 and score=100
[AVI demuxer @ 0x12a1a40] use odml:1
[mpeg4 @ 0x12a3440] Invalid and inefficient vfw-avi packed B frames detected
[avi @ 0x12a1420] All info found
Input #0, avi, from 'OUTPUT2.avi':
  Metadata:
    encoder         : Lavf52.110.0
  Duration: 00:00:10.03, start: 0.000000, bitrate: 1702 kb/s
    Stream #0.0, 1, 100/2997: Video: mpeg4 (Advanced Simple Profile) (xvid / 0x64697678), yuv420p, 720x480 [SAR 32:27 DAR 16:9], 100/2997, 29.97 tbr, 29.97 tbn, 29.97 tbc
    Stream #0.1, 17, 3/125: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16, 128 kb/s
[buffer @ 0x12a2680] w:720 h:480 pixfmt:yuv420p tb:1/1000000 sar:32/27 sws_param:
[mpeg4 @ 0x12a0e80] Unsupported bit depth: 0
Output #0, avi, to 'out.avi':
  Metadata:
    ISFT            : Lavf53.10.0
    Stream #0.0, 0, 100/2997: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 720x480 [SAR 32:27 DAR 16:9], 100/2997, q=2-31, 200 kb/s, 29.97 tbn, 29.97 tbc
Stream mapping:
  Stream #0.0 -> #0.0 (mpeg4 -> mpeg4)
Press [q] to stop, [?] for help
[mpeg4 @ 0x12a3440] Unsupported bit depth: 0
[mpeg4 @ 0x12a3440] Invalid and inefficient vfw-avi packed B frames detected
[mpeg4 @ 0x12a3440] Unsupported bit depth: 0
[mpeg4 @ 0x12a3440] Discarding excessive bitstream in packed xvid
frame=  188 fps=  0 q=2.0 Lsize=    2411kB time=00:00:10.04 bitrate=1966.3kbits/s
video:2398kB audio:0kB global headers:0kB muxing overhead 0.532623%

Attachments (1)

OUTPUT2.avi (2.0 MB) - added by cehoyos 5 years ago.

Change History (3)

Changed 5 years ago by cehoyos

comment:1 Changed 5 years ago by michael

  • Resolution set to fixed
  • Status changed from new to closed

comment:2 Changed 5 years ago by cehoyos

  • Keywords asp added
Note: See TracTickets for help on using tickets.