[MPlayer-cvslog] CVS: main/DOCS/tech snow.txt,1.4,1.5

[Guillaume Poirier CVS]

CVS change done by Guillaume Poirier CVS

Update of /cvsroot/mplayer/main/DOCS/tech
In directory mail:/var2/tmp/cvs-serv19366/DOCS/tech

Modified Files:
	snow.txt 
Log Message:
Snow supports 3-pass mode and 9/7 wavelet doesn't work lossless mode.


Index: snow.txt
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/tech/snow.txt,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- snow.txt	16 Apr 2005 21:53:20 -0000	1.4
+++ snow.txt	17 Apr 2005 18:41:05 -0000	1.5
@@ -20,8 +20,8 @@
    Note that 0 may not be specified; if you want lossless encoding, you
    must leave out vqscale.
 
- * vpass=<1|2>
-   Activates  internal two pass mode.
+ * vpass=<1-3>
+   Activates internal two (or more) pass mode.
 
  * vbitrate=<value>
    Specify bitrate of the 2nd pass.
@@ -37,10 +37,12 @@
    You can add 256 to any of the options to enable chroma motion
    estimation for that comparison (e.g. mbcmp=257 for SSD with chroma),
    but it doesn't seem to help much for the moment.
+   NOTE: 9/7 wavelet doesn't work with lossless mode.
 
  * pred=<0-2>
    Wavelet type. 0 (9/7 wavelet), 1 (5/3 wavelet), 2 (13/7 wavelet).
    9/7 is probably better for for lossy coding, and 5/3 for lossless.
+   NOTE: 9/7 wavelet doesn't work with lossless mode.
 
  * last_pred=<0-3>
    Tries a few extra predicted motion vectors before doing EPZS search,