[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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