[MPlayer-DOCS] CVS: main/DOCS/xml/en encoding-guide.xml,1.27,1.28
Guillaume Poirier CVS
syncmail at mplayerhq.hu
Mon Sep 26 23:56:15 CEST 2005
CVS change done by Guillaume Poirier CVS
Update of /cvsroot/mplayer/main/DOCS/xml/en
In directory mail:/var2/tmp/cvs-serv26684/DOCS/xml/en
Modified Files:
encoding-guide.xml
Log Message:
Random fixes and more coherency
Index: encoding-guide.xml
===================================================================
RCS file: /cvsroot/mplayer/main/DOCS/xml/en/encoding-guide.xml,v
retrieving revision 1.27
retrieving revision 1.28
diff -u -r1.27 -r1.28
--- encoding-guide.xml 25 Sep 2005 17:53:55 -0000 1.27
+++ encoding-guide.xml 26 Sep 2005 21:56:13 -0000 1.28
@@ -2389,7 +2389,6 @@
<listitem><para>
<emphasis role="bold">vb_strategy=1</emphasis>: helps in high-motion scenes.
- Requires vmax_b_frames >= 2.
On some videos, vmax_b_frames may hurt quality, but vmax_b_frames=2 along
with vb_strategy=1 helps.
</para></listitem>
@@ -2474,7 +2473,7 @@
stored in the encoded file.
The compression gain/loss depends on the movie, but it is usually not very
effective on anime.
- qpel always incurs a significant cost in CPU decode time (+20% in
+ qpel always incurs a significant cost in CPU decode time (+25% in
practice).
</para></listitem>
@@ -2875,8 +2874,8 @@
<listitem><para>
<emphasis role="bold">hq_ac</emphasis>
Activates a better coefficient cost estimation method, which slightly
- reduces filesize by around 0.15 to 0.19%, while having a negligible
- impact on speed.
+ reduces filesize by around 0.15 to 0.19% (which corresponds to less
+ than 0.01dB PSNR increase), while having a negligible impact on speed.
It is therefore recommended to always leave it on.
</para></listitem>
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