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

[Roman Haefeli]

On Mon, 2007-10-15 at 17:55 +0200, IOhannes m zmoelnig wrote:
> hi.
> 
> 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:
> 
> is it just my mail-client...?

what do you mean?

> 
> > 
> >     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
> 
> wow, you are using a very old mencoder installations.

yes and no, it is indeed a very old version of mencoder, but still the
most recent one, that is available as a binary. you also find _very_ old
binaries in many distros.

actually, it is not more than a few weeks, probably months ago, since
-lavfopts was fixed and the option 'i_certify...' disappeared, so this
is not a sign, that a _very_ old version is used here.

however, compiling mplayer from svn-sources is highly recommended,
because bugs usually get fixed quite quickly and more recent version can
be considered to be even more stable than old ones.

> yves has just recently posted the commandline to use such an old 
> mencoder. search the list archives for 
> "i_certify_that_my_video_stream_does_not_use_b_frames"
>
> or update your ffmpeg installation (which version of ubuntu do you use?)

debian etch: 1.0~rc1
ubuntu dapper: 1.0pre7try2
(don't know about more recent ubuntusm though)

roman



		
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