[MPlayer-dev-eng] [RFC] Make lavf a default demuxer for mpeg ts streams

[Nico Sabbi]

On Friday 17 October 2008 16:27:17 Andrew Savchenko wrote:
> Hello,
>
> current version of native mpegts demuxer has some drawbacks:
>
> 1) It isn't able to detect fps for at least some h264 streams,
> where lavf demuxer works fine. Details are in this thread:
> http://archives.free.net.ph/thread/20081014.080826.55c7719d.en.html
>
> 2) Native demuxer doesn't support Dirac codec embedded in mpegts at
> all. You can check it on this samle:
> http://dirac.kw.bbc.co.uk/download/video/maybefinal/diracpromo-tr22
>00.ts

trivial to fix

>
> Adding Dirac support with proper fps decetion to this demuxer will
> require to write libmpdemux dirac demuxer. Afaik, mplayer is
> moving towards libavformat demuxers instead of libmpdemux and this
> is mentioned at libmpdemux/demuxer.c:84. Therefore I see no way
> fix second issue with mpegts without broking this rule.
>
> Thus I propose to make lavf demuxer a default one for mpeg ts
> streams, because of its wider functionality. An attached patche do
> this. Of course, old demuxer will be available if libavformat's
> one will fail/be unavailable for some reason or if mpegts demuxer
> will be specified explicitely.
>
> I tested it on my selection of mpegts samples, no drawbacks were
> found. However, this limited sampling does not include all
> possible cases. So, are there any suggestions or objections to
> apply?


against.
lavf still doesn't work with a good selection of my collection of 
samples and doesn't have certain probing features that the native
demuxer has.