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spark: fix cAudio::PrepareClipPlay

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this makes the neutrino audioplayer work fine ;-)
This commit is contained in:
Stefan Seyfried
2012-02-18 01:36:39 +01:00
parent 920f3d1863
commit e8f63b0bf4
1 changed files with 7 additions and 12 deletions
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19
libspark/audio.cpp
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@@ -98,18 +98,16 @@ int cAudio::setVolume(unsigned int left, unsigned int right)
volume = (left + right) / 2;
int v = map_volume(volume);
#if 0
if (clipfd != -1 && mixer_fd != -1) {
int tmp = 0;
/* not sure if left / right is correct here, but it is always the same anyways ;-) */
if (! Muted)
tmp = left << 8 | right;
ret = ioctl(mixer_fd, MIXER_WRITE(mixer_num), &tmp);
int ret = ioctl(mixer_fd, MIXER_WRITE(mixer_num), &tmp);
if (ret == -1)
lt_info("%s: MIXER_WRITE(%d),%04x: %m\n", __func__, mixer_num, tmp);
return ret;
}
#endif
char str[4];
sprintf(str, "%d", v);
@@ -206,25 +204,22 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int little_endian)
mixer_num = -1;
mixer_fd = -1;
/* a different DSP device can be given with DSP_DEVICE and MIX_DEVICE
* if this device cannot be opened, we fall back to the internal TD OSS device
* if this device cannot be opened, we fall back to the internal OSS device
* Example:
* modprobe ohci-hcd
* modprobe audio
* export DSP_DEVICE=/dev/sound/dsp1
* export MIX_DEVICE=/dev/sound/mixer1
* modprobe snd-usb-audio
* export DSP_DEVICE=/dev/sound/dsp2
* export MIX_DEVICE=/dev/sound/mixer2
* neutrino
*/
if ((!dsp_dev) || (access(dsp_dev, W_OK))) {
if (dsp_dev)
lt_info("%s: DSP_DEVICE is set (%s) but cannot be opened,"
" fall back to /dev/sound/dsp\n", __func__, dsp_dev);
dsp_dev = "/dev/sound/dsp";
" fall back to /dev/dsp1\n", __func__, dsp_dev);
dsp_dev = "/dev/dsp1";
}
lt_info("%s: dsp_dev %s mix_dev %s\n", __func__, dsp_dev, mix_dev); /* NULL mix_dev is ok */
/* the tdoss dsp driver seems to work only on the second open(). really. */
clipfd = open(dsp_dev, O_WRONLY);
close(clipfd);
clipfd = open(dsp_dev, O_WRONLY);
if (clipfd < 0) {
lt_info("%s open %s: %m\n", dsp_dev, __FUNCTION__);
return -1;