Better x264 descriptions/fixes based on Loren Merritt's patch (Thu, 23 Sep 2004)

Also a wording fixed picked up by Diego


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13457 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
gpoirier 2004-09-25 09:43:57 +00:00
parent e7eee934fb
commit 4bb6f06fae
1 changed files with 9 additions and 7 deletions

View File

@ -6735,13 +6735,15 @@ This is required if you want a CBR (constant bitrate) encode.
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.TP
.B iframe=<value>
I frame frequency (default: 60)
Raising their frequency usually improves quality.
Sets maximum interval between I frames.
Larger values save bits, thus improve quality, at the cost of seeking
precision (default: 60).
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.TP
.B frameref=<value>
Number of previous frames used as predictors in a P-frame (default: 1).
This may cause tiny changes in bitrate and PSNR.
.B frameref=<1\-15>
Number of previous frames used as predictors in a P frame (default: 1).
This is effective in Anime, but seems to make little difference in
live-action source material.
Some decoders are unable to deal with large frameref values.
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.TP
@ -6840,7 +6842,7 @@ specified)
Set the initial ratecontrol buffer (default: 1/4 of rc_buffer_size)
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.TP
.B rc_sens=<0\-100>
.B rc_sens=<0\-100> (CBR only)
ratecontrol sensitivity (default: 4)
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.TP
@ -6855,7 +6857,7 @@ quantizer factor between P and B frames (default: 2.0)
.B pass=<1|2>
Enable 2-pass mode.
The first pass saves statistics.
It is recommanded to always encode in 2-pass mode as it leads to a better bit
It is recommended to always encode in 2-pass mode as it leads to a better bit
distribution and improves overall quality.
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.TP