AudioStreamIn *
AudioHardwareALSA::openInputStream(uint32_t devices,
int *format,
uint32_t *channels,
uint32_t *sampleRate,
status_t *status,
AudioSystem::audio_in_acoustics acoustics)
{
AutoMutex lock(mLock);
status_t err = BAD_VALUE;
AudioStreamInALSA *in = 0;
if (devices & (devices - 1)) {
if (status) *status = err;
return in;
}
// Find the appropriate alsa device
for(ALSAHandleList::iterator it = mDeviceList.begin();
it != mDeviceList.end(); ++it)
if (it->devices & devices) {
err = mALSADevice->open(&(*it), devices, mode(), *channels);
if (err) break;
in = new AudioStreamInALSA(this, &(*it), acoustics);
err = in->set(format, channels, sampleRate);
break;
}
if (status) *status = err;
return in;
}
AudioStreamIn *
AudioHardwareALSA::openInputStream(uint32_t devices,
int *format,
uint32_t *channels,
uint32_t *sampleRate,
status_t *status,
AudioSystem::audio_in_acoustics acoustics)
{
AutoMutex lock(mLock);
status_t err = BAD_VALUE;
AudioStreamInALSA *in = 0;
if (devices & (devices - 1)) {
if (status) *status = err;
return in;
}
// Find the appropriate alsa device
for(ALSAHandleList::iterator it = mDeviceList.begin();
it != mDeviceList.end(); ++it)
if (it->devices & devices) {
err = mALSADevice->open(&(*it), devices, mode());
if (err) break;
if (devices & AudioSystem::DEVICE_OUT_WIRED_HDMI){
strcpy(mCurCard ,SPDIF);
mMixer = mMixerSpdif;
} else {
strcpy(mCurCard,SGTL5000);
mMixer = mMixerSgtl5000;
}
in = new AudioStreamInALSA(this, &(*it), acoustics);
//set the format, channels, sampleRate to 0, so that it can make use of
//the parameter from the hardware default config
*format = 0;
*channels = 0;
*sampleRate = 0;
err = in->set(format, channels, sampleRate);
LOGW("the hardware default channels is %d, sampleRate is %d, format is %d", *channels, *sampleRate, *format);
break;
}
if (status) *status = err;
return in;
}
