[FFmpeg-trac] #3521(avformat:new): asf demuxing problem

FFmpeg trac at avcodec.org
Wed Apr 2 12:47:19 CEST 2014


#3521: asf demuxing problem
--------------------------------------+----------------------------------
               Reporter:  cehoyos     |                  Owner:
                   Type:  defect      |                 Status:  new
               Priority:  normal      |              Component:  avformat
                Version:  git-master  |               Keywords:  asf
             Blocked By:              |               Blocking:
Reproduced by developer:  0           |  Analyzed by developer:  0
--------------------------------------+----------------------------------
 http://samples.ffmpeg.org/A-codecs/VoxWare/Lucky.asf
 The file shows artefacts and prints errors after seven seconds with FFmpeg
 (and mplayer -demuxer lavf) but plays fine with mplayer -demuxer asf.
 {{{
 $ ffmpeg -i Lucky.asf -qscale 2 -t 20 out.avi
 ffmpeg version N-62040-gcecb6d6 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Apr  2 2014 10:30:18 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 71.100 / 52. 71.100
   libavcodec     55. 56.107 / 55. 56.107
   libavformat    55. 36.100 / 55. 36.100
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  3.100 /  4.  3.100
   libswscale      2.  5.102 /  2.  5.102
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 [asf @ 0x37c5900] Estimating duration from bitrate, this may be inaccurate
 Input #0, asf, from 'Lucky.asf':
   Duration: 00:05:27.68, start: 0.000000, bitrate: 16 kb/s
     Stream #0:0: Audio: metasound (u[0][0][0] / 0x0075), 16000 Hz, mono,
 fltp, 16 kb/s
     Stream #0:1: Video: msmpeg4v2 (MP42 / 0x3234504D), yuv420p, 240x176,
 15 tbr, 1k tbn, 1k tbc
 Please use -q:a or -q:v, -qscale is ambiguous
 Output #0, avi, to 'out.avi':
   Metadata:
     ISFT            : Lavf55.36.100
     Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 240x176,
 q=2-31, 200 kb/s, 15 tbn, 15 tbc
     Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 16000 Hz, mono, fltp,
 96 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (msmpeg4v2 -> mpeg4)
   Stream #0:0 -> #0:1 (metasound -> ac3)
 Press [q] to stop, [?] for help
 [asf @ 0x37c5900] packet_obj_size invalid
 [asf @ 0x37c5900] ff asf skip 0 (unknown stream)
 [asf @ 0x37c5900] ff asf bad header 0  at:110003
 [asf @ 0x37c5900] ff asf skip 780 (unknown stream)
 [asf @ 0x37c5900] ff asf bad header d9  at:110810
 [asf @ 0x37c5900] invalid padsize 226944923 at:110815
 [asf @ 0x37c5900] ff asf bad header 4a  at:110858
 [asf @ 0x37c5900] unexpected packet_replic_size of 4
 [asf @ 0x37c5900] packet_obj_size invalid
     Last message repeated 7 times
 [asf @ 0x37c5900] ff asf skip 56938 (unknown stream)
 [asf @ 0x37c5900] ff asf bad header 13  at:168156
 [asf @ 0x37c5900] invalid padsize 29851 at:168158
 [asf @ 0x37c5900] freeing incomplete packet size 1645, new 648
 frame=  218 fps=0.0 q=2.0 Lsize=     772kB time=00:00:20.06 bitrate=
 315.4kbits/s
 video:573kB audio:178kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 2.891387%
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3521>
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