diff options
Diffstat (limited to 'libs/backends/coreaudio/coreaudio_backend.cc')
| -rw-r--r-- | libs/backends/coreaudio/coreaudio_backend.cc | 64 |
1 files changed, 59 insertions, 5 deletions
diff --git a/libs/backends/coreaudio/coreaudio_backend.cc b/libs/backends/coreaudio/coreaudio_backend.cc index d125f0486c..7ff97c660b 100644 --- a/libs/backends/coreaudio/coreaudio_backend.cc +++ b/libs/backends/coreaudio/coreaudio_backend.cc @@ -507,6 +507,8 @@ static int process_callback_ptr (void *arg, const uint32_t n_samples, const uint int CoreAudioBackend::_start (bool for_latency_measurement) { + AudioBackend::ErrorCode error_code = NoError; + if ((!_active_ca || !_active_fw) && _run) { // recover from 'halted', reap threads stop(); @@ -541,15 +543,67 @@ CoreAudioBackend::_start (bool for_latency_measurement) _pcmio->set_sample_rate_callback (sample_rate_callback_ptr, this); _pcmio->pcm_start (device1, device2, _samplerate, _samples_per_period, process_callback_ptr, this); +#ifndef NDEBUG printf("STATE: %d\n", _pcmio->state ()); - +#endif switch (_pcmio->state ()) { - case 0: /* OK */ break; - case -1: PBD::error << _("CoreAudioBackend: failed to open device.") << endmsg; break; - default: PBD::error << _("CoreAudioBackend: initialization failed.") << endmsg; break; + case 0: /* OK */ + break; + case -1: + PBD::error << _("CoreAudioBackend: Invalid Device ID.") << endmsg; + error_code = BackendInitializationError; // XXX + break; + case -2: + PBD::error << _("CoreAudioBackend: Failed to resolve Device-Component by ID.") << endmsg; + error_code = BackendInitializationError; // XXX + break; + case -3: + PBD::error << _("CoreAudioBackend: failed to open device.") << endmsg; + error_code = AudioDeviceOpenError; + break; + case -4: + PBD::error << _("CoreAudioBackend: cannot set requested sample rate.") << endmsg; + error_code = SampleRateNotSupportedError; + break; + case -5: + PBD::error << _("CoreAudioBackend: cannot configure requested buffer size.") << endmsg; + error_code = PeriodSizeNotSupportedError; + break; + case -6: + PBD::error << _("CoreAudioBackend: unsupported sample format.") << endmsg; + error_code = SampleFormatNotSupportedError; + break; + case -7: + PBD::error << _("CoreAudioBackend: Failed to enable Device.") << endmsg; + error_code = BackendInitializationError; // XXX + break; + case -8: + PBD::error << _("CoreAudioBackend: Cannot allocate buffers, out-of-memory.") << endmsg; + error_code = BackendInitializationError; // XXX + break; + case -9: + PBD::error << _("CoreAudioBackend: Failed to set device-property listeners.") << endmsg; + error_code = BackendInitializationError; // XXX + break; + case -10: + PBD::error << _("CoreAudioBackend: Setting Process Callback failed.") << endmsg; + error_code = BackendInitializationError; // XXX + break; + case -11: + PBD::error << _("CoreAudioBackend: cannot use requested period size.") << endmsg; + error_code = PeriodSizeNotSupportedError; + break; + case -12: + PBD::error << _("CoreAudioBackend: cannot create aggregate device.") << endmsg; + error_code = DeviceConfigurationNotSupportedError; + break; + default: + PBD::error << _("CoreAudioBackend: initialization failure.") << endmsg; + error_code = BackendInitializationError; + break; } if (_pcmio->state ()) { - return -1; + return error_code; } if (_n_outputs != _pcmio->n_playback_channels ()) { |