musicdsp/audio-orchestra
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[DEV] update ALSA error log.

Browse Source
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
airtaudio/api/Alsa.cpp
View File

@ -469,6 +469,15 @@ bool airtaudio::api::Alsa::probeDeviceOpenName(const std::string& _deviceName,
audio::format _format,
uint32_t *_bufferSize,
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.
unsigned nDevices = 0;
int32_t result, subdevice, card;
@ -585,12 +594,16 @@ bool airtaudio::api::Alsa::probeDeviceOpenName(const std::string& _deviceName,
uint32_t value;
result = snd_pcm_hw_params_get_channels_max(hw_params, &value);
uint32_t deviceChannels = value;
if ( result < 0
|| deviceChannels < _channels + _firstChannel) {
if (result < 0) {
snd_pcm_close(phandle);
ATA_ERROR("requested channel parameters not supported by device (" << _deviceName << "), " << snd_strerror(result) << ".");
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);
if (result < 0) {
snd_pcm_close(phandle);