[FFmpeg-trac] #1477(undetermined:new): fix asf demuxer
FFmpeg
trac at avcodec.org
Fri Jun 22 17:53:17 CEST 2012
#1477: fix asf demuxer
-------------------------------------+-------------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: | undetermined
unspecified | Keywords:
Blocked By: | Blocking:
Reproduced by developer: 0 | Analyzed by developer: 0
-------------------------------------+-------------------------------------
{{{
As a side note, I must say that lavf ASF demuxer outputs wrong data, so
for
example eleventh or twelfth frame in
http://samples.ffmpeg.org/V-codecs/MSS1/screen_codec.wmv
is demuxed wrong compared to MPlayer. And of course it causes decoding
errors.
}}}
http://article.gmane.org/gmane.comp.video.libav.devel/28505
http://samples.ffmpeg.org/V-codecs/MSS1/screen_codec.wmv
http://samples.ffmpeg.org/V-codecs/MSS1/GipsyGuitar.wmv
{{{
C:\>ffmpeg -i screen_codec.wmv out.avi
ffmpeg version N-41793-gcb08b6e Copyright (c) 2000-2012 the FFmpeg
developers
built on Jun 21 2012 14:12:34 with gcc 4.5.0 20100414 (Fedora MinGW
4.5.0-1.fc
14)
configuration: --prefix=/var/www/users/research/ffmpeg/snapshots/build
--arch=
x86 --target-os=mingw32 --cross-prefix=i686-pc-mingw32- --cc='ccache i686
-pc-min
gw32-gcc' --enable-w32threads --enable-memalign-hack --enable-runtime-
cpudetect
--enable-cross-compile --enable-static --disable-shared --extra-
libs='-lws2_32 -
lwinmm -lpthread' --extra-cflags='--static
-I/var/www/users/research/ffmpeg/snap
shots/build/include' --extra-ldflags='-static
-L/var/www/users/research/ffmpeg/s
napshots/build/lib' --enable-bz libavutil 51. 59.100 / 51. 59.100
libavcodec 54. 29.100 / 54. 29.100
libavformat 54. 10.100 / 54. 10.100
libavdevice 54. 0.100 / 54. 0.100
libavfilter 2. 82.100 / 2. 82.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 15.100 / 0. 15.100
libpostproc 52. 0.100 / 52. 0.100
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, asf, from 'screen_codec.wmv':
Metadata:
WMFSDKVersion : 7.01.00.3055
WMFSDKNeeded : 0.0.0.0000
Duration: 00:01:35.87, start: 0.192000, bitrate: 82 kb/s
Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 8000 Hz, mono, s16, 0
kb/s
Stream #0:1: Video: mss1 (MSS1 / 0x3153534D), pal8, 1024x768, 1k tbr,
1k tbn
, 1k tbc
w:1024 h:768 pixfmt:pal8 tb:1/1000 fr:1000/1 sar:0/1 sws_param:flags=2
[ffmpeg_buffersink @ 0x1e17c20] No opaque field provided
[format @ 0x1e17f00] auto-inserting filter 'auto-inserted scaler 0'
between the
filter 'Parsed_null_0' and the filter 'format'
[auto-inserted scaler 0 @ 0x1e18900] w:1024 h:768 fmt:pal8 sar:0/1 ->
w:1024 h:7
68 fmt:yuv420p sar:0/1 flags:0x4
Output #0, avi, to 'out.avi':
Metadata:
WMFSDKVersion : 7.01.00.3055
WMFSDKNeeded : 0.0.0.0000
ISFT : Lavf54.10.100
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1024x768,
q=2-31, 20
0 kb/s, 1k tbn, 1k tbc
Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 8000 Hz, mono, s16
Stream mapping:
Stream #0:1 -> #0:0 (mss1 -> mpeg4)
Stream #0:0 -> #0:1 (wmav2 -> libmp3lame)
Press [q] to stop, [?] for help
Multiple frames in a packet from stream 0
frame= 9 fps=0.0 q=24.0 size= 78kB time=00:00:02.23 bitrate=
287.2kbits/
Error while decoding stream #0:1: Invalid data found when processing input
Last message repeated 4 times
frame= 19 fps= 19 q=31.0 size= 150kB time=00:00:10.72 bitrate=
114.7kbits/
frame= 28 fps= 18 q=31.0 size= 277kB time=00:00:20.54 bitrate=
110.6kbits/
frame= 40 fps= 19 q=31.0 size= 348kB time=00:00:28.00 bitrate=
101.9kbits/
frame= 50 fps= 20 q=31.0 size= 426kB time=00:00:35.28 bitrate=
99.0kbits/
frame= 61 fps= 20 q=24.8 size= 508kB time=00:00:41.54 bitrate=
100.3kbits/
frame= 70 fps= 20 q=31.0 size= 619kB time=00:00:51.12 bitrate=
99.2kbits/
frame= 80 fps= 19 q=31.0 size= 728kB time=00:01:01.20 bitrate=
97.4kbits/
Error while decoding stream #0:1: Invalid data found when processing input
Last message repeated 4 times
frame= 88 fps= 19 q=31.0 size= 842kB time=00:01:11.64 bitrate=
96.2kbits/
Error while decoding stream #0:1: Invalid data found when processing input
Last message repeated 18 times
frame= 90 fps= 18 q=31.0 size= 928kB time=00:01:22.50 bitrate=
92.2kbits/
Error while decoding stream #0:1: Invalid data found when processing input
Last message repeated 7 times
frame= 95 fps= 17 q=31.0 Lsize= 2534kB time=00:01:33.81 bitrate=
221.3kbits
/s
video:258kB audio:17kB subtitle:0 global headers:0kB muxing overhead
821.800131%
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1477>
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