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Code Issues Releases Wiki Activity

Fixes suggested by The Wanderer.

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15123 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
gpoirier 2005-04-11 11:13:48 +00:00
parent fa6b40cd16
commit 8d3da98930
1 changed files with 7 additions and 6 deletions
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13
DOCS/tech/snow.txt
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@ -10,14 +10,15 @@ For this reason, MEncoder will not encode without 'vstrict=-1' on the
command line.
OPTIONS OBEYED BY SNOW
OPTIONS RECOGNIZED BY SNOW
* vqscale=<0.01-255>
Encoding quality, sane range 1-10, default: 0 (lossless).
Encoding quality, sane range 1-10, default: 0 (lossless). May be
fractional.
A given quality in snow needs a somewhat lower qscale than the same
quality in MPEG-4.
Note that 0 may not be specified; if you want lossless encoding, you
must leave out vqscale. (Yes, quantizer can be fractional.)
must leave out vqscale.
* cmp, subcmp, mbcmp
Set the comparison function, default: 0 (SAD).
@ -34,9 +35,9 @@ OPTIONS OBEYED BY SNOW
* last_pred=<0-3>
Tries a few extra predicted motion vectors before doing EPZS search,
default=0.
default: 0.
This option has negligible effect on both speed and quality of snow,
so just leave it off. (it does, however, help mpeg4.)
so just leave it off. (It does, however, help MPEG-4.)
* qpel
Refines motion estimation, default: off.
@ -46,7 +47,7 @@ OPTIONS OBEYED BY SNOW
* v4mv
Allows smaller motion partitions, default: off.
The current MB decision algorithm doesn't make very good use of this:
It improves quality, but also increases bitrate. (and you could get
It improves quality, but also increases bitrate. (You could get
more quality per bitrate by reducing quantizer instead.)