[vlc-devel] Re: Again: Supporting independent audio and video demuxers in vlc?

Sigmund Augdal sigmunau at stud.ntnu.no
Tue Oct 15 09:05:20 CEST 2002

> For "mplayer", this worked well, because mplayer supports independent audio 
> and video 'demuxers' (with the player code reading from each demuxer 
> independently).  My impression of "vlc", however, is that it assumes that 
> there's just a single input stream - which is assumed to be a multiplexed 
> MPEG Transport or Program Stream.
vlc does indeed assume there is only one input stream, but it does not at
all have to be MPEG of any kind.
> If this is the case, then how easily could vlc be made to handle 
> independent audio and video streams?
No easily, at least not in a clean manner. The very same problem was
encountered by those who tried to add divx subtitle support. Fixing this is
planned for some time after 0.5 is released.
> One other question: In "access" plugins, what is the purpose of the 
> "pf_set_program" and "pf_set_area: functions?
These relate to dvd soundtracks and chapters if I'm not wrong.

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