From 9e0acc3d2ed87bd8055607f4a0b4f7af688359c3 Mon Sep 17 00:00:00 2001 From: corey Date: Sun, 22 Jan 2006 21:02:14 +0000 Subject: support libavcodec's new sc_factor parameter Original idea from Michael; patch by me. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@17465 b3059339-0415-0410-9bf9-f77b7e298cf2 --- DOCS/man/en/mplayer.1 | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'DOCS') diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index a57f1112e8..961f5b44dd 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -6831,6 +6831,16 @@ You can specify the sensitivity of the detection with this option. 1000000000 means no scene changes are detected (default: 0). . .TP +.B sc_factor= +Causes frames with higher quantizers to be more likely to trigger a +scene change detection and make libavcodec use an I-frame (default: 1). +1\-16 is a sane range. +Values between 2 and 6 may yield increasing PSNR (up to approximately +0.04 dB) and better placement of I-frames in high-motion scenes. +Higher values than 6 may give very slightly better PSNR (approximately +0.01 dB more than sc_factor=6), but noticably worse visual quality. +. +.TP .B vb_strategy=<0\-2> (pass one only) strategy to choose between I/\:P/\:B-frames: .PD 0 -- cgit v1.2.3