Update of /cvsroot/mplayer/main/DOCS/tech In directory mail:/var/tmp.root/cvs-serv28289 Modified Files: libavc-options.txt Log Message: more info about data partitioning Index: libavc-options.txt =================================================================== RCS file: /cvsroot/mplayer/main/DOCS/tech/libavc-options.txt,v retrieving revision 1.22 retrieving revision 1.23 diff -u -r1.22 -r1.23 --- libavc-options.txt 13 Oct 2002 13:49:24 -0000 1.22 +++ libavc-options.txt 13 Oct 2002 18:35:15 -0000 1.23 @@ -186,12 +186,22 @@ vdpart data partitioning adds 2 byte per video packet + each videopacket will be encoded in 3 seperate partitions: + 1. MVs (=movement) + 2. DC coefficients (=low res picture) + 3. AC coefficients (=details) + the MV & DC are most important, loosing them looks far worse than + loosing the AC and the 1. & 2. partition (MV&DC) are far smaller than + the 3. partition (AC) -> errors will hit the AC partition much more + often than the MV&DC -> the picture will look better with partitioning + than without, as without partitining an error will trash AC/DC/MV + equally improves error-resistance when transfering over unreliable channels (eg. streaming over the internet) vpsize (0-10000) video packet size 0 disabled (default) - 500-1000 good choice + 100-1000 good choice improves error-resistance (see vdpart for more info) gray grayscale only encoding (a bit faster than with color ...)