Update of /cvsroot/alsa/alsa-kernel/Documentation
In directory sc8-pr-cvs1:/tmp/cvs-serv13120
Modified Files:
OSS-Emulation.txt
Log Message:
added descriptions for whole-frag and no-silence commands.
Index: OSS-Emulation.txt
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/Documentation/OSS-Emulation.txt,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- OSS-Emulation.txt 29 Apr 2003 14:32:15 -0000 1.4
+++ OSS-Emulation.txt 27 Aug 2003 16:05:36 -0000 1.5
@@ -152,6 +152,9 @@
direct don't use plugins
block force block open mode
non-block force non-block open mode
+ whole-frag write only whole fragments (optimization affecting
+ playback only)
+ no-silence do not fill silence ahead to avoid clicks
The disable option is useful when one stream direction (playback or
capture) is not handled correctly by the application although the
@@ -184,6 +187,12 @@
for OSS devices, define like the following:
options snd-pcm-oss nonblock_open=1
+
+The whole-frag and no-silence commands have been added recently.
+Both commands are for optimization use only. The former command
+specifies to invoke the write transfer only when the whole fragment is
+filled. The latter stops writing the silence data ahead
+automatically. Both are disabled as default.
You can check the currently defined configuration by reading the proc
file. The read image can be sent to the proc file again, hence you
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