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Explain lmin, lmax, mblmin, mblmax options. 

patch by Víctor Paesa, wzrlpy arsystel com

Originally committed as revision 6522 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Víctor Paesa 2006-10-02 10:19:39 +00:00 committed by Diego Biurrun
parent a3cad0472b
commit 9ae711e125
1 changed files with 15 additions and 0 deletions
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doc/ffmpeg-doc.texi
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@ -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