[Mplayer-cvslog] CVS: main/DOCS/tech mpcf.txt,1.58,1.59

[Michael Niedermayer]

Hi

On Wednesday 05 May 2004 02:10, D Richard Felker III wrote:
> On Tue, May 04, 2004 at 03:29:19AM +0200, Michael Niedermayer CVS wrote:
> > CVS change done by Michael Niedermayer CVS
> >
> > Update of /cvsroot/mplayer/main/DOCS/tech
> > In directory mail:/var2/tmp/cvs-serv19291
> >
> > Modified Files:
> > 	mpcf.txt
> > Log Message:
> > proposals by rich:
> >   remove predicted delta timestamps
> >   delta timestamp in the frame_code table
> >   reserved vlc count in the frame_code table
> >   global timestamp after frame_startcode
> >
> >
> > Index: mpcf.txt
> > ===================================================================
> > RCS file: /cvsroot/mplayer/main/DOCS/tech/mpcf.txt,v
> > retrieving revision 1.58
> > retrieving revision 1.59
> > diff -u -r1.58 -r1.59
> > --- mpcf.txt	2 May 2004 01:37:49 -0000	1.58
> > +++ mpcf.txt	4 May 2004 01:29:17 -0000	1.59
> > @@ -89,17 +89,24 @@
> >  	version					v
> >  	stream_count				v
> >  	max_distance				v
> > +	global_time_base_nom			v
> > +	global_time_base_denom			v
> > +	short_startcode				v
> >  	for(i=0; i<256; ){
> >  		tmp_flag			v
> >  		tmp_stream			v
> >  		tmp_mul				v
> >  		tmp_size			v
> > +		tmp_timestamp			s
> > +		tmp_res				v
> >  		count				v
> >  		for(j=0; j<count; j++, i++){
> >  			flags[i]= tmp_flag;
> >  			stream_id_plus1[i]= tmp_stream;
> >  			data_size_mul[i]= tmp_mul;
> >  			data_size_lsb[i]= tmp_size;
> > +			timestamp_delta[i]= tmp_timestamp;
> > +			reserved_v[i]= tmp_res;
> >  			if(++tmp_size >= tmp_mul){
> >  				tmp_size=0;
> >  				tmp_stream++;
>
> Michael, this is useful too I suppose, but not exactly what I had in
> mind. I was thinking more along the lines of a field that says "each
> entry of the framecode table has N vlc fields". Then new properties
> could be added to framecodes, and older demuxers could just ignore the
> extra vlcs when reading the header.
agree

>
> BTW, right now not much of the "flags" field is used, but if we add
> additional flags in the future (e.g. a droppable flag for B frames and
dropable= dts==pts && decode_delay

[...]
-- 
Michael
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