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| author | Víctor Paesa <wzrlpy@arsystel.com> | 2006-10-02 10:19:39 +0000 |
|---|---|---|
| committer | Diego Biurrun <diego@biurrun.de> | 2006-10-02 10:19:39 +0000 |
| commit | 9ae711e1252eb13d123643f0c6b8f3aa0551f526 (patch) | |
| tree | e80065c45ac3c05bc1f3d4ee5e1dddbb4172bed7 /doc/ffmpeg-doc.texi | |
| parent | a3cad0472bcf8f31decf60a24676ca95f5c175fb (diff) | |
| download | ffmpeg-9ae711e1252eb13d123643f0c6b8f3aa0551f526.tar.gz | |
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
Diffstat (limited to 'doc/ffmpeg-doc.texi')
| -rw-r--r-- | doc/ffmpeg-doc.texi | 15 |
1 files changed, 15 insertions, 0 deletions
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 |