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)
{