[Mplayer-cvslog] CVS: main/DOCS/tech mpcf.txt,1.30,1.31

Michael Niedermayer michaelni at gmx.at
Sun Sep 7 08:35:33 CEST 2003


On Sunday 07 September 2003 03:18, Alex Beregszaszi wrote:
> Again an again...
> stream_header:
> 	...
> 	shuffle_type	v
> 	fixed_fps	u(1)
> 	index_flag	u(1)
> 	reserved	u(6)
> As shuffle_type is audio only (or am I false?),
the synatx allows it for non audio streams, but its forbidden

> why not move it to
> audio_stream_header, or add shuffle_flag after index_flag and read
> shuffle_type depending on it's presence. Anyway, moving it to
> audio_stream_header seems a better idea to me, as we don't want to use
> all the bits of reserved in version 0 ;)
hmm, the stream headers should only need to be repeated every 10sec so 1 more 
byte would be 0.1 byte/sec thats insignificant

btw, IMHO the repeat headers before keyframes rule, should be removed, it 
could easily mean +100mbyte/hour in some cases (for example some codec which 
has global headers and are intra only (huffyuv,vorbis,...)) 

level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en

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