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Add host api/driver selection to PortaudioBackend

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This commit is contained in:
Tim Mayberry 2015-04-01 16:55:34 +10:00
parent 2437bbbe23
commit b6db19a5c6
4 changed files with 108 additions and 15 deletions
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29
libs/backends/portaudio/portaudio_backend.cc
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@ -89,10 +89,37 @@ PortAudioBackend::is_realtime () const
return true;
}
bool
PortAudioBackend::requires_driver_selection() const
{
// we could do this but implementation would need changing
/*
if (enumerate_drivers().size() == 1) {
return false;
}
*/
return true;
}
std::vector<std::string>
PortAudioBackend::enumerate_drivers () const
{
std::vector<std::string> currently_available;
_pcmio->host_api_list (currently_available);
return currently_available;
}
int
PortAudioBackend::set_driver (const std::string& name)
{
_target_driver = name;
return 0;
}
std::vector<AudioBackend::DeviceStatus>
PortAudioBackend::enumerate_devices () const
{
_pcmio->discover();
_pcmio->discover(_target_driver);
_audio_device_status.clear();
std::map<int, std::string> devices;
_pcmio->device_list(devices);