From 9ae711e1252eb13d123643f0c6b8f3aa0551f526 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADctor=20Paesa?= <wzrlpy@arsystel.com>
Date: Mon, 2 Oct 2006 10:19:39 +0000
Subject: [PATCH] =?UTF-8?q?Explain=20lmin,=20lmax,=20mblmin,=20mblmax=20op?=
 =?UTF-8?q?tions.=20patch=20by=20V=C3=ADctor=20Paesa,=20wzrlpy=20arsystel?=
 =?UTF-8?q?=20com?=
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Originally committed as revision 6522 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 doc/ffmpeg-doc.texi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/doc/ffmpeg-doc.texi b/doc/ffmpeg-doc.texi
index c09b1e0eef..554f5d01f0 100644
--- a/doc/ffmpeg-doc.texi
+++ b/doc/ffmpeg-doc.texi
@@ -313,6 +313,21 @@ video quantiser scale blur (VBR)
 @item -qcomp compression
 video quantiser scale compression (VBR)
 
+@item -lmin lambda
+minimum video lagrange factor (VBR)
+@item -lmax lambda
+max video lagrange factor (VBR)
+@item -mblmin lambda
+minimum macroblock quantizer scale (VBR)
+@item -mblmax lambda
+maximum macroblock quantizer scale (VBR)
+
+These four options (lmin, lmax, mblmin, mblmax) use 'lambda' units,
+but you may use the QP2LAMBDA constant to easily convert from 'q' units:
+@example
+ffmpeg -i src.ext -lmax 21*QP2LAMBDA dst.ext
+@end example
+
 @item -rc_init_cplx complexity
 initial complexity for single pass encoding
 @item -b_qfactor factor