From 51284eb6220d182d2a1f3bc758fe3dd3060d2b01 Mon Sep 17 00:00:00 2001 From: michael Date: Sun, 13 Oct 2002 18:35:15 +0000 Subject: more info about data partitioning git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7725 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/tech/libavc-options.txt | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'DOCS/tech') diff --git a/DOCS/tech/libavc-options.txt b/DOCS/tech/libavc-options.txt index 3fa37fa44a..48ce17e040 100644 --- a/DOCS/tech/libavc-options.txt +++ b/DOCS/tech/libavc-options.txt @@ -186,12 +186,22 @@ vstrict strict standard compliance 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 ...) -- cgit v1.2.3