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GP2X: low volume and fast forward

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@310 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-12-09 15:17:50 +00:00
parent 53668ca0f8
commit 4a32f01f55
9 changed files with 186 additions and 40 deletions
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5
platform/gp2x/gp2x.c
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@ -232,8 +232,8 @@ void gp2x_start_sound(int rate, int bits, int stereo)
if (sounddev == -1)
printf("open(\"/dev/dsp\") failed with %i\n", errno);
ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
ioctl(sounddev, SNDCTL_DSP_SETFMT, &bits);
ioctl(sounddev, SNDCTL_DSP_SPEED, &rate);
ioctl(sounddev, SNDCTL_DSP_STEREO, &stereo);
// calculate buffer size
buffers = 16;
@ -242,11 +242,12 @@ void gp2x_start_sound(int rate, int bits, int stereo)
while ((bsize>>=1)) frag++;
frag |= buffers<<16; // 16 buffers
ioctl(sounddev, SNDCTL_DSP_SETFRAGMENT, &frag);
usleep(192*1024);
printf("gp2x_set_sound: %i/%ibit/%s, %i buffers of %i bytes\n",
rate, bits, stereo?"stereo":"mono", frag>>16, 1<<(frag&0xffff));
s_oldrate = rate; s_oldbits = bits; s_oldstereo = stereo;
usleep(100000);
}