support multiple sound drivers, add sdl

[libpicofe.git] / linux / sndout_oss.c

diff --git a/linux/sndout_oss.c b/linux/sndout_oss.c
index 0df17b2..c0b775a 100644 (file)
--- a/linux/sndout_oss.c
+++ b/linux/sndout_oss.c
@@ -20,6 +20,8 @@
 
 #include "sndout_oss.h"
 
+int sndout_oss_frag_frames = 1;
+
 static int sounddev = -1, mixerdev = -1;
 static int can_write_safe;
 
@@ -47,7 +49,7 @@ void sndout_oss_stop(void)
        sounddev = -1;
 }
 
-int sndout_oss_start(int rate, int stereo, int frames_in_frag)
+int sndout_oss_start(int rate, int stereo)
 {
        static int s_oldrate = 0, s_oldstereo = 0;
        int frag, bsize, bits, ret;
@@ -69,10 +71,11 @@ int sndout_oss_start(int rate, int stereo, int frames_in_frag)
                }
        }
 
-       // try to fit frames_in_frag frames worth of data in fragment
+       // try to fit sndout_oss_frag_frames (video) frames
+       // worth of sound data in OSS fragment
        // ignore mono because it's unlikely to be used and
        // both GP2X and Wiz mixes mono to stereo anyway.
-       bsize = (frames_in_frag * rate / 50) * 4;
+       bsize = (sndout_oss_frag_frames * rate / 50) * 4;
 
        for (frag = 0; bsize; bsize >>= 1, frag++)
                ;
@@ -164,8 +167,9 @@ int sndout_oss_can_write(int bytes)
        return bi.bytes - bi.fragsize >= bytes ? 1 : 0;
 }
 
-void sndout_oss_sync(void)
+void sndout_oss_wait(void)
 {
+       // FIXME?
        ioctl(sounddev, SOUND_PCM_SYNC, 0);
 }