Merged r2906:2907 from 1.2 branch to trunk: power of two channels in dsp backend.
--- a/src/audio/dsp/SDL_dspaudio.c Sat Nov 11 06:48:57 2006 +0000
+++ b/src/audio/dsp/SDL_dspaudio.c Mon Nov 13 00:38:13 2006 +0000
@@ -166,6 +166,15 @@
devname = ((iscapture) ? inputDevices[0] : outputDevices[0]);
}
+ /* Make sure fragment size stays a power of 2, or OSS fails. */
+ /* I don't know which of these are actually legal values, though... */
+ if (this->spec.channels > 8)
+ this->spec.channels = 8;
+ else if (this->spec.channels > 4)
+ this->spec.channels = 4;
+ else if (this->spec.channels > 2)
+ this->spec.channels = 2;
+
/* Initialize all variables that we clean on shutdown */
this->hidden = (struct SDL_PrivateAudioData *)
SDL_malloc((sizeof *this->hidden));