[MPlayer-dev-eng] demuxer question

[Alexander Neundorf]

On Friday 17 May 2002 12:34, you wrote:
> Hi,
>
> > I'm currently writing a raw dv (as played by playdv and produced by
> > dvgrab --format raw)  demuxer and decoder using libdv for mplayer.
> > Video is already working :-)
> >
> > Now I don't know exactly how to do the audio part.
> > The decoding functions for audio and video of libdv both operate on the
> > same buffer. Since a dv stream is quite big, it wouldn't be optimal to
> > handle the stream twice through mplayer (ok, didn't test yet).
>
> yep... i kno wthe problem, i also starte dto work on type-2 dv .avi support
> (when the avi file has one stream, having audio-video multiplexed).
>
> imho either you should separate audio and video chunks, and hack libdv to
> handle them from different buffers (or use its lowlevel functions to
> operate on macroblock level), or duplicate the packet in the memory
> (ds_read_packet first and then ds_new_packet and memcpy the first to that).

new_demux_packet() you mean, right ?

Alex