From 35572927c4ac0c9c40033bfb66b7d0c99296e037 Mon Sep 17 00:00:00 2001 From: michael Date: Sun, 6 Oct 2002 16:01:54 +0000 Subject: forgot docs (again ...) git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7620 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/tech/libavc-options.txt | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/DOCS/tech/libavc-options.txt b/DOCS/tech/libavc-options.txt index a5c70f9679..bd613b2667 100644 --- a/DOCS/tech/libavc-options.txt +++ b/DOCS/tech/libavc-options.txt @@ -202,10 +202,21 @@ vfdct (0-99) dct algorithm 2 accurate integer 3 mmx 4 mlib + +idct (0-99) idct algorithm + 0 automatically select a good one (default) + 1 jpeg reference integer + 2 simple + 3 simplemmx + 4 libmpeg2mmx (inaccurate, DONT USE for encoding with keyint >100) + 5 ps2 + 6 mlib + 7 arm + note: all these IDCTs do pass the IEEE1180 tests AFIAK lumi_mask (0.0-1.0) luminance masking 0.0 disabled (default) - 0.0-0.5 should be a sane range + 0.0-0.3 should be a sane range warning: be carefull, too large values can cause disasterous things warning2: large values might look good on some monitors but may look horrible on other monitors @@ -230,6 +241,8 @@ scplx_mask (0.0-1.0) spatial complexity masking naq normalize adaptive quantization experimental + +ildct use interlaced dct lavdopts: (decoder options) --------------------------- @@ -244,13 +257,17 @@ ver error resilience bug manual workaround encoder bugs (cant be easily detected automatically) 0 (default) 1 for msmpeg4v3 workaround for some old lavc generated msmpeg4v3 files - 1 for mpeg4 workaround some opendivx? files + 1 for mpeg4 workaround some opendivx? files (autodetected hopefully) see http://heroinewarrior.com for some samples 2 for mpeg4 workaround xvid interlacing bug - 3 for mpeg4 workaround for UMP4 + 3 for mpeg4 workaround for UMP4 (autodetected hopefully) gray grayscale only decoding (a bit faster than with color ...) +idct see lavcopts + note: the decoding quality is highest if the same idct algorithm is used + for decoding as for encoding, this is often not the most accurate though + Notes: 1. lavc will strictly follow the quantizer limits vqmin, vqmax, vqdiff even if it violates the bitrate / bitrate tolerance -- cgit v1.2.3