Document lmin and lmax lavcopts; mpeg vrc_buf_size values

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@11334 b3059339-0415-0410-9bf9-f77b7e298cf2
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ranma 2003-10-30 16:52:05 +00:00
parent 2998fca07c
commit b83cfd2662
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@ -3576,6 +3576,15 @@ quantizer per MB in the future, msmpeg4 cannot be fixed as it does not support
that).
.RE
.TP
.B lmin=<0.01\-255.0>
Minimum lagrange multiplier for ratecontrol, you probably want it to be
equal to or lower than vqmin. (default: 2.0)
.RE
.TP
.B lmax=<0.01\-255.0>
Maximum lagrange multiplier for ratecontrol. (default: 31.0)
.RE
.TP
.B vqscale=<1\-31>
Constant quantizer /\: constant quality encoding (selects fixed quantizer mode).
A lower value means better quality but larger files (default: 0 (disabled)).
@ -3733,6 +3742,8 @@ minimum bitrate in kbit/\:sec (pass\ 1/\:2)
.TP
.B vrc_buf_size=<value>
buffer size in kbit (pass\ 1/\:2).
For MPEG1/2 this also sets the vbv buffer size, use 327 for VCD,
917 for SVCD and 1835 for DVD.
Note: vratetol should not be too large during the second pass or there might
be problems if vrc_(min|max)rate is used.
.TP