[PD] Convert .wmv or .asf to .mov (jpeg)

[Roman Haefeli]

On Mon, 2007-10-15 at 13:18 +0200, Javier García wrote:
> 
> Roman Haefeli wrote:
> 
> 
> > mencoder Skim.wmv -nosound -ovc lavc -lavcopts vcodec=mjpeg -of
> > lavf -lavfopts format=mov -o outfile.mov
> 
> Thanks Roman but it gives this error:
> 
> MEncoder 2:1.0~rc1-0ubuntu9.1 (C) 2000-2006 MPlayer Team
> CPU: Intel(R) Core(TM)2 CPU         T7400  @ 2.16GHz (Family: 6,
> Model: 15, Stepping: 6)
> CPUflags: Type: 6 MMX: 1 MMX2: 1 3DNow: 0 3DNow2: 0 SSE: 1 SSE2: 1
> Compiled with runtime CPU detection.
> success: format: 0  data: 0x0 - 0x1a677be
> ASF file format detected.
> VIDEO:  [WMV3]  320x240  24bpp  30.000 fps    0.0 kbps ( 0.0 kbyte/s)
> [V] filefmt:6  fourcc:0x33564D57  size:320x240  fps:30.00
> ftime:=0.0333
> ** MUXER_LAVF
> *****************************************************************
> If you wish to use libavformat muxing, you must ensure that your video
> stream
> does not contain B frames (out of order decoding) and specify:
>     -lavfopts i_certify_that_my_video_stream_does_not_use_b_frames
> on the command line.
> REMEMBER: MEncoder's libavformat muxing is presently broken and will
> generate
> INCORRECT files in the presence of B frames. Moreover, due to bugs
> MPlayer
> will play these INCORRECT files as if nothing were wrong!
> *******************************************************************************
> Cannot initialize muxer.
> Exiting...

ah, ok... i see. you use a different (older) version than me. try to do
what the error message is telling you: add
'i_certify_that_my_video_stream_does_not_use_b_frames' to your
-lavfopts.

this would look like this (all in one line):


mencoder Skim.wmv -nosound -ovc lavc -lavcopts vcodec=mjpeg -of
lavf -lavfopts
format=mov:i_certify_that_my_video_stream_does_not_use_b_frames -o
outfile.mov

someone mentioned, that vlc provides also encoding possibilities. if
mencoder is not working or too hard to deal with, try vlc.

cheers
roman



		
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