X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=drivers%2Fgp2x%2Fminimal.c;fp=drivers%2Fgp2x%2Fminimal.c;h=0250587557662b1f0224b842a1e0b5c282228ce8;hp=facef9eb49a4a1fa20433874d9ccf12a14ca1ac9;hb=92e249b10ad9e479eddb18974555366dba725ef3;hpb=af32b6c2f0ed2f1a4582c3e8d7ac704b9c61fa4c

diff --git a/drivers/gp2x/minimal.c b/drivers/gp2x/minimal.c
index facef9e..0250587 100644
--- a/drivers/gp2x/minimal.c
+++ b/drivers/gp2x/minimal.c
@@ -439,8 +439,17 @@ void gp2x_init(int ticks_per_second, int bpp, int rate, int bits, int stereo, in
     frag = 0x40000|13;
     ioctl(gp2x_dev[3], SNDCTL_DSP_SETFRAGMENT, &frag);
 
-
-    printf("minimal() do sound, rate %d, bits %d, stereo %d, frag %d\n", rate, bits, stereo, frag);
+    {
+	// calculate buffer size
+	int frag = 0, bsize, buffers = 16;
+	bsize = rate / 32;
+	if (rate > 22050) { bsize*=4; buffers*=2; } // 44k mode seems to be very demanding
+	while ((bsize>>=1)) frag++;
+	frag |= buffers<<16; // 16 buffers
+	ioctl(gp2x_dev[3], SNDCTL_DSP_SETFRAGMENT, &frag);
+	printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
+		rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
+    }
 
     if(first)
     {