[Ffmpeg-cvslog] r6522 - trunk/doc/ffmpeg-doc.texi

[diego]

Author: diego
Date: Mon Oct  2 12:19:39 2006
New Revision: 6522

Modified:
   trunk/doc/ffmpeg-doc.texi

Log:
Explain lmin, lmax, mblmin, mblmax options.
patch by V?ctor Paesa, wzrlpy arsystel com


Modified: trunk/doc/ffmpeg-doc.texi
==============================================================================
--- trunk/doc/ffmpeg-doc.texi	(original)
+++ trunk/doc/ffmpeg-doc.texi	Mon Oct  2 12:19:39 2006
@@ -313,6 +313,21 @@
 @item -qcomp compression
 video quantiser scale compression (VBR)
 
+ at item -lmin lambda
+minimum video lagrange factor (VBR)
+ at item -lmax lambda
+max video lagrange factor (VBR)
+ at item -mblmin lambda
+minimum macroblock quantizer scale (VBR)
+ at 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:
+ at example
+ffmpeg -i src.ext -lmax 21*QP2LAMBDA dst.ext
+ at end example
+
 @item -rc_init_cplx complexity
 initial complexity for single pass encoding
 @item -b_qfactor factor