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[DEV] update ALSA error log.

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This commit is contained in:
Edouard DUPIN 2015-03-23 23:14:45 +01:00
parent 102a4e5ca5
commit 38f51ec421
1 changed files with 15 additions and 2 deletions
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17
airtaudio/api/Alsa.cpp
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@ -469,6 +469,15 @@ bool airtaudio::api::Alsa::probeDeviceOpenName(const std::string& _deviceName,
audio::format _format, audio::format _format,
uint32_t *_bufferSize, uint32_t *_bufferSize,
const airtaudio::StreamOptions& _options) { const airtaudio::StreamOptions& _options) {
ATA_DEBUG("Probe ALSA device : ");
ATA_DEBUG(" _deviceName=" << _deviceName);
ATA_DEBUG(" _mode=" << _mode);
ATA_DEBUG(" _channels=" << _channels);
ATA_DEBUG(" _firstChannel=" << _firstChannel);
ATA_DEBUG(" _sampleRate=" << _sampleRate);
ATA_DEBUG(" _format=" << _format);
// I'm not using the "plug" interface ... too much inconsistent behavior. // I'm not using the "plug" interface ... too much inconsistent behavior.
unsigned nDevices = 0; unsigned nDevices = 0;
int32_t result, subdevice, card; int32_t result, subdevice, card;
@ -585,12 +594,16 @@ bool airtaudio::api::Alsa::probeDeviceOpenName(const std::string& _deviceName,
uint32_t value; uint32_t value;
result = snd_pcm_hw_params_get_channels_max(hw_params, &value); result = snd_pcm_hw_params_get_channels_max(hw_params, &value);
uint32_t deviceChannels = value; uint32_t deviceChannels = value;
if ( result < 0 if (result < 0) {
|| deviceChannels < _channels + _firstChannel) {
snd_pcm_close(phandle); snd_pcm_close(phandle);
ATA_ERROR("requested channel parameters not supported by device (" << _deviceName << "), " << snd_strerror(result) << "."); ATA_ERROR("requested channel parameters not supported by device (" << _deviceName << "), " << snd_strerror(result) << ".");
return false; return false;
} }
if (deviceChannels < _channels + _firstChannel) {
snd_pcm_close(phandle);
ATA_ERROR("requested channel " << _channels << " have : " << deviceChannels );
return false;
}
result = snd_pcm_hw_params_get_channels_min(hw_params, &value); result = snd_pcm_hw_params_get_channels_min(hw_params, &value);
if (result < 0) { if (result < 0) {
snd_pcm_close(phandle); snd_pcm_close(phandle);