[MPlayer-dev-eng] [PATCH] further dvr-ms playback improvements

[Diego Biurrun]

On Fri, Aug 25, 2006 at 01:14:38AM +0200, Nico Sabbi wrote:
> John Donaghy wrote:
> 
> >Here's a patch to make playback of dvr-ms file works better. It
> >resolves the following issues:
> >
> >- the picture can be jerky though you have to look carefully at the
> >sample on mplayerhq.com to see the problem. I've noticed it more on
> >some of my tv show recordings when watching them on a TV rather than a
> >monitor.
> >
> >- the framesize is wrong and this is a real problem when playing HD 
> >content
> >
> >The fix works by obtaining the framerate, bitrate and picture size
> >from the codec and it borrows heavily from techniques used be the
> >ffmpeg asf demuxer. I copied the code to parse an mpeg frame header
> >from ffmpeg. I had wanted to call video_read_properties() when opening
> >the stream after filling the buffer but too many things would have
> >needed to be changed to make that work. I think this is the least
> >intrusive way of doing it.
> >
> >I had to include asf.h in video.c becasue I cant see another way of
> >doing what I did there but I'm open to suggestions.
> 
> rejected: this code doesn't belong to demuxer that should - guess what? 
> - *only demux*.
> Why should the demuxer set fps, framesize and bitrate? these settings 
> belong to the decoder.
> If you post a sample I'll try to help you this week-end

http://samples.mplayerhq.hu/dvr_ms/

But more samples would surely help...

Diego