CVS change done by Oded Shimon CVS Update of /cvsroot/mplayer/main/DOCS/tech In directory mail:/var2/tmp/cvs-serv29724/DOCS/tech Modified Files: mpcf.txt Log Message: timebase table Index: mpcf.txt =================================================================== RCS file: /cvsroot/mplayer/main/DOCS/tech/mpcf.txt,v retrieving revision 1.148 retrieving revision 1.149 diff -u -r1.148 -r1.149 --- mpcf.txt 13 Mar 2006 06:50:55 -0000 1.148 +++ mpcf.txt 15 Mar 2006 16:24:24 -0000 1.149 @@ -107,8 +107,8 @@ t (v coded universal timestamp) tmp v - stream_id= tmp % stream_count - value= (tmp / stream_count) * timebase[stream_id] + id= tmp % time_base_count + value= (tmp / time_base_count) * time_base[id] Bitstream syntax: @@ -151,6 +151,11 @@ version v stream_count v max_distance v + time_base_count v + for(i=0; i<time_base_count; i++) + time_base_nom v + time_base_denom v + time_base[i]= time_base_nom/time_base_denom tmp_pts=0 tmp_mul=1 tmp_stream=0 @@ -188,8 +193,7 @@ stream_id v stream_class v fourcc vb - time_base_nom v - time_base_denom v + time_base_id v msb_pts_shift v max_pts_distance v decode_delay v @@ -444,6 +448,9 @@ 29.97 1001 30000 23.976 1001 24000 +time_base_id + id to time_base table + convert_ts To switch from 2 different timebases, the following calculation is defined: @@ -616,7 +623,7 @@ global_key_pts After a syncpoint, last_pts of each stream is to be set to: - last_pts[i] = convert_ts(global_key_pts, timebase[stream], timebase[i]) + last_pts[i] = convert_ts(global_key_pts, time_base[id], time_base[i]) global_key_pts MUST be bigger or equal to dts of all past frames across all streams, and smaller or equal to pts of all future frames.