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Cleanup alsadevicefinder

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Signed-off-by: Jonas Kvinge <jonas@jkvinge.net>
This commit is contained in:
Jonas Kvinge 2018-05-22 22:36:32 +02:00
parent e5774ffcdc
commit f9c2801db1
1 changed files with 9 additions and 11 deletions
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20
src/engine/alsadevicefinder.cpp
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@ -42,10 +42,10 @@ QList<DeviceFinder::Device> AlsaDeviceFinder::ListDevices() {
QList<Device> ret;
//register int err;
int result = -1;
int card = -1;
int dev = -1;
int result = -1;
snd_ctl_card_info_t *cardinfo;
snd_pcm_info_t *pcminfo;
snd_ctl_t *handle;
@ -53,29 +53,28 @@ QList<DeviceFinder::Device> AlsaDeviceFinder::ListDevices() {
snd_ctl_card_info_alloca(&cardinfo);
snd_pcm_info_alloca(&pcminfo);
card = -1;
snd_pcm_stream_name(SND_PCM_STREAM_PLAYBACK);
while (true) {
result = snd_card_next(&card);
if (result < 0) {
qLog(Error) << "Unable to get soundcard: " << snd_strerror(result);
qLog(Error) << "Unable to get soundcard:" << snd_strerror(result);
return ret;
}
if (card < 0) return ret;
char name[32];
sprintf(name, "hw:%d", card);
result = snd_ctl_open(&handle, name, 0);
if (result < 0) {
qLog(Error) << "Unable to open soundcard " << card << ": " << snd_strerror(result);
qLog(Error) << "Unable to open soundcard" << card << ":" << snd_strerror(result);
continue;
}
result = snd_ctl_card_info(handle, cardinfo);
if (result < 0) {
qLog(Error) << "Control hardware failure for card " << card << ": " << snd_strerror(result);
qLog(Error) << "Control hardware failure for card" << card << ":" << snd_strerror(result);
snd_ctl_close(handle);
continue;
}
@ -85,7 +84,7 @@ QList<DeviceFinder::Device> AlsaDeviceFinder::ListDevices() {
result = snd_ctl_pcm_next_device(handle, &dev);
if (result < 0) {
qLog(Error) << "Unable to get PCM for card " << card << ": " << snd_strerror(result);
qLog(Error) << "Unable to get PCM for card" << card << ":" << snd_strerror(result);
continue;
}
if (dev < 0) break;
@ -93,14 +92,13 @@ QList<DeviceFinder::Device> AlsaDeviceFinder::ListDevices() {
snd_pcm_info_set_device(pcminfo, dev);
snd_pcm_info_set_subdevice(pcminfo, 0);
snd_pcm_info_set_stream(pcminfo, SND_PCM_STREAM_PLAYBACK);
result = snd_ctl_pcm_info(handle, pcminfo);
if (result < 0) {
if (result != -ENOENT) qLog(Error) << "Unable to get control digital audio info for card " << card << ": " << snd_strerror(result);
if (result != -ENOENT) qLog(Error) << "Unable to get control digital audio info for card" << card << ":" << snd_strerror(result);
continue;
}
snd_pcm_info_get_name(pcminfo);
Device device;
device.description = QString("%1 %2").arg(snd_ctl_card_info_get_name(cardinfo)).arg(snd_pcm_info_get_name(pcminfo));
device.value = QString("hw:%1,%2").arg(card).arg(dev);