[FFmpeg-trac] #333(avformat:reopened): Badly interleaved AVI file not handled

FFmpeg trac at avcodec.org
Wed Dec 5 09:47:00 CET 2012


#333: Badly interleaved AVI file not handled
-------------------------------------+-------------------------------------
             Reporter:  ubitux       |                    Owner:
                 Type:  defect       |                   Status:  reopened
             Priority:  normal       |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:               |               Blocked By:
  avi,interleaved                    |  Reproduced by developer:  1
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by gjdfgh):

 {{{
 ffplay yet-another\ broken-interleaved-avi.avi
 ffplay version N-47444-gb5ffbcd Copyright (c) 2003-2012 the FFmpeg
 developers
   built on Dec  5 2012 09:40:30 with gcc 4.7 (Debian 4.7.2-4)
   configuration: --prefix=/mnt/meh/chaos/source/normal/mpv/build_libs
 --enable-static --disable-shared --enable-avresample --enable-openssl
 --enable-gpl --enable-nonfree --disable-debug --enable-libx264 --enable-
 vaapi
   libavutil      52. 11.101 / 52. 11.101
   libavcodec     54. 79.100 / 54. 79.100
   libavformat    54. 44.100 / 54. 44.100
   libavdevice    54.  3.102 / 54.  3.102
   libavfilter     3. 24.100 /  3. 24.100
   libswscale      2.  1.103 /  2.  1.103
   libswresample   0. 17.102 /  0. 17.102
   libpostproc    52.  2.100 / 52.  2.100
 Input #0, avi, from 'yet-another broken-interleaved-avi.avi':
   Duration: 00:23:29.35, start: 0.000000, bitrate: 374 kb/s
     Stream #0:0: Video: mpeg4 (DIVX / 0x58564944), yuv420p, 640x480, 29.97
 fps, 29.97 tbr, 29.97 tbn, 30k tbc
     Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p,
 128 kb/s
 [mpeg4 @ 0x90f0c80] looks like this file was encoded with
 (divx4/(old)xvid/opendivx) -> forcing low_delay flag
 Frame changed from size:0x0 to size:640x480
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
 ALSA lib pcm.c:7339:(snd_pcm_recover) underrun occurred  0B f=0/0
   52.52 A-V: -4.707 fd=   0 aq=    0KB vq=15364KB sq=    0B f=0/0
 }}}

 That's about 50 seconds in. A-V difference keeps getting worse from this
 point. The ALSA warnings are merely because ffplay doesn't feed it enough
 audio, and not a problem with my audio setup. File is linked in the top
 post.

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/333#comment:6>
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