[MPlayer-dev-eng] Help With The FILM Format

[Alex Beregszaszi]

HI,

On T hu, Jan 17, 2002 at 07:50:51PM -0700, Mike Melanson wrote:
> Hi team,
> 	I've made a little more headway in figuring out the FILM file
> format. Namely, I noticed that the files can contain both audio and video
> interleaved (I thought they could just contain video at first). I don't
> know how to load audio via the demuxer subsystem. I still don't have the
> Cinepak video decoding properly, either.
> 
> 	So I've decided to ask for some help. Everything I've figured out
> about the format so far has been posted at my CRI site:
>   http://www.pcisys.net/~melanson/codecs/film-format.txt
> Note that the stuff I've written may or may not be correct. Everything
> I've figured out is from empirical observation. I've uploaded 3 FILM files
> to the FTP site, under the incoming/filmformat directory. One is a full
> movie, but the other 2 are partials for the sake of quick
> downloading. Fortunately, they're also from 3 different games, so they'll
> hopefully stress different quirks of the format.

Audio packet putting into demuxer's buffer goes the same way as video, the
only difference is: you must provide audio demuxer stream, not video. (have
a look at demux_real.c:demux_real_fill_buffer

--
alex

> 
> 	If any of you demuxing wizards would like to help out on this one,
> I would appreciate it. I'm also going to ask Tim Ferguson to look at the
> Cinepak data because I think it may deviate from the usual stuff.
> 
> 	Thanks...
> -- 
> 	-Mike Melanson
> 
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