[MPlayer-dev-eng] Bug in GUI of MPlayer

[Sascha Sommer]

Hi,

On Samstag, 26. September 2009, Grozdan wrote:
> 2009/9/26 김승정 <kuh3h3 at gmail.com>:
> > as well as gmplayer, mplayer has avcodec  bug in new wmapro.
> >
> > $ mplayer "vid12v4.avi"
> > MPlayer SVN-r29718-4.3.3 (C) 2000-2009 MPlayer Team
> > mplayer: could not connect to socket
> > mplayer: No such file or directory
> > Failed to open LIRC support. You will not be able to use your remote
> > control.
> >
> > Playing vid12v4.avi.
> > AVI file format detected.
> > [aviheader] Video stream found, -vid 0
> > [aviheader] Audio stream found, -aid 1
> > VIDEO:  [DX50]  640x352  24bpp  24.865 fps  953.2 kbps (116.4 kbyte/s)
> > Clip info:
> >  Creation Date: April 7, 2006
> > =========================================================================
> >= Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
> > Selected video codec: [ffodivx] vfm: ffmpeg (FFmpeg MPEG-4)
> > =========================================================================
> >=
> > =========================================================================
> >= Opening audio decoder: [ffmpeg] FFmpeg/libavcodec audio decoders AUDIO:
> > 44100 Hz, 2 ch, floatle, 128.0 kbit/4.54% (ratio: 16002->352800) Selected
> > audio codec: [ffwmapro] afm: ffmpeg (WMA Pro audio (FFmpeg))
> >
> > AO: [null] 44100Hz 2ch floatle (4 bytes per sample)
> > Starting playback...
> > [mpeg4 @ 0x89ecaa0]Invalid and inefficient vfw-avi packed B frames
> > detected VDec: vo config request - 640 x 352 (preferred colorspace:
> > Planar YV12) VDec: using Planar YV12 as output csp (no 0)
> > Movie-Aspect is 1.82:1 - prescaling to correct movie aspect.
> > VO: [xv] 640x352 => 640x352 Planar YV12
> > [wmapro @ 0x89ecaa0]frame[7] would have to skip -2684 bits?,?% 0 0
>
> It's not a bug in mplayer but in libavcodec's wmapro decoder. Mans was
> yesterday talking about how bad this decoder is and he intends to
> improve it
>

This problem looks like it caused by a misinterpreted bitstream. This may 
happen for samples that contain not yet discovered coding features.
Can you upload the file somewhere? I don't know what Mans wants to improve but 
it probably will not fix this issue unlike he has access to the wmapro 
specification.

Regards

Sascha