[MPlayer-users] mplayer -ss fails on wmv
Jon Drukman
jsd at cluttered.com
Mon Nov 8 18:59:32 CET 2010
Example command line:
mplayer file.wmv -nosound -vf scale=120:-2 -ssf lgb=1.0 -sws 7 -vo
jpeg:outdir=foo -frames 1
This outputs a single frame from the beginning of the wmv as a jpg. No problem.
However, if I add -ss to the command, like so:
mplayer file.wmv -ss 2 -nosound -vf scale=120:-2 -ssf lgb=1.0 -sws 7 -vo
jpeg:outdir=foo -frames 1
I get no jpeg output, and no errors or warnings from mplayer. The file in
question is longer than 2 seconds, so that isn't the problem. Bug in mplayer or
just unsupported with wmv, or ?
Here's the output from the second attempt:
MPlayer SVN-r31984-4.1.2 (C) 2000-2010 MPlayer Team
Playing file.wmv.
ASF file format detected.
[asfheader] Audio stream found, -aid 1
[asfheader] Video stream found, -vid 2
VIDEO: [WMV2] 640x480 24bpp 1000.000 fps 694.0 kbps (84.7 kbyte/s)
jpeg: Progressive JPEG disabled.
jpeg: Baseline JPEG enabled.
Opening video filter: [scale w=120 h=-2]
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffwmv2] vfm: ffmpeg (FFmpeg WMV2/WMV8)
==========================================================================
Audio: no sound
Starting playback...
V: 49.7 0/ 0 ??% ??% ??,?% 0 0
Exiting... (End of file)
-jsd-
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