improve CoreAudio error reporting
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918133a342
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3f99c44ff6
@ -507,6 +507,8 @@ static int process_callback_ptr (void *arg, const uint32_t n_samples, const uint
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int
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CoreAudioBackend::_start (bool for_latency_measurement)
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{
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AudioBackend::ErrorCode error_code = NoError;
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if ((!_active_ca || !_active_fw) && _run) {
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// recover from 'halted', reap threads
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stop();
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@ -541,15 +543,67 @@ CoreAudioBackend::_start (bool for_latency_measurement)
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_pcmio->set_sample_rate_callback (sample_rate_callback_ptr, this);
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_pcmio->pcm_start (device1, device2, _samplerate, _samples_per_period, process_callback_ptr, this);
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#ifndef NDEBUG
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printf("STATE: %d\n", _pcmio->state ());
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#endif
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switch (_pcmio->state ()) {
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case 0: /* OK */ break;
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case -1: PBD::error << _("CoreAudioBackend: failed to open device.") << endmsg; break;
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default: PBD::error << _("CoreAudioBackend: initialization failed.") << endmsg; break;
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case 0: /* OK */
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break;
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case -1:
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PBD::error << _("CoreAudioBackend: Invalid Device ID.") << endmsg;
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error_code = BackendInitializationError; // XXX
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break;
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case -2:
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PBD::error << _("CoreAudioBackend: Failed to resolve Device-Component by ID.") << endmsg;
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error_code = BackendInitializationError; // XXX
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break;
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case -3:
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PBD::error << _("CoreAudioBackend: failed to open device.") << endmsg;
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error_code = AudioDeviceOpenError;
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break;
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case -4:
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PBD::error << _("CoreAudioBackend: cannot set requested sample rate.") << endmsg;
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error_code = SampleRateNotSupportedError;
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break;
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case -5:
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PBD::error << _("CoreAudioBackend: cannot configure requested buffer size.") << endmsg;
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error_code = PeriodSizeNotSupportedError;
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break;
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case -6:
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PBD::error << _("CoreAudioBackend: unsupported sample format.") << endmsg;
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error_code = SampleFormatNotSupportedError;
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break;
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case -7:
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PBD::error << _("CoreAudioBackend: Failed to enable Device.") << endmsg;
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error_code = BackendInitializationError; // XXX
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break;
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case -8:
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PBD::error << _("CoreAudioBackend: Cannot allocate buffers, out-of-memory.") << endmsg;
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error_code = BackendInitializationError; // XXX
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break;
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case -9:
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PBD::error << _("CoreAudioBackend: Failed to set device-property listeners.") << endmsg;
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error_code = BackendInitializationError; // XXX
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break;
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case -10:
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PBD::error << _("CoreAudioBackend: Setting Process Callback failed.") << endmsg;
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error_code = BackendInitializationError; // XXX
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break;
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case -11:
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PBD::error << _("CoreAudioBackend: cannot use requested period size.") << endmsg;
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error_code = PeriodSizeNotSupportedError;
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break;
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case -12:
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PBD::error << _("CoreAudioBackend: cannot create aggregate device.") << endmsg;
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error_code = DeviceConfigurationNotSupportedError;
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break;
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default:
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PBD::error << _("CoreAudioBackend: initialization failure.") << endmsg;
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error_code = BackendInitializationError;
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break;
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}
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if (_pcmio->state ()) {
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return -1;
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return error_code;
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}
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if (_n_outputs != _pcmio->n_playback_channels ()) {
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@ -794,7 +794,7 @@ CoreAudioPCM::pcm_start (
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assert(_device_ids);
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std::string errorMsg;
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_state = -2;
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_state = -99;
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// "None" = UINT32_MAX
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if (device_id_out >= _n_devices && device_id_in >= _n_devices) {
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@ -825,36 +825,36 @@ CoreAudioPCM::pcm_start (
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#ifndef COREAUDIO_108
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ComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};
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Component HALOutput = FindNextComponent(NULL, &cd);
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if (!HALOutput) { errorMsg="FindNextComponent"; goto error; }
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if (!HALOutput) { errorMsg="FindNextComponent"; _state = -2; goto error; }
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err = OpenAComponent(HALOutput, &_auhal);
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if (err != noErr) { errorMsg="OpenAComponent"; goto error; }
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if (err != noErr) { errorMsg="OpenAComponent"; _state = -2; goto error; }
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#else
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AudioComponentDescription cd = {kAudioUnitType_Output, kAudioUnitSubType_HALOutput, kAudioUnitManufacturer_Apple, 0, 0};
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AudioComponent HALOutput = AudioComponentFindNext(NULL, &cd);
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if (!HALOutput) { errorMsg="AudioComponentFindNext"; goto error; }
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if (!HALOutput) { errorMsg="AudioComponentFindNext"; _state = -2; goto error; }
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err = AudioComponentInstanceNew(HALOutput, &_auhal);
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if (err != noErr) { errorMsg="AudioComponentInstanceNew"; goto error; }
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if (err != noErr) { errorMsg="AudioComponentInstanceNew"; _state = -2; goto error; }
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#endif
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err = AudioUnitInitialize(_auhal);
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if (err != noErr) { errorMsg="AudioUnitInitialize"; goto error; }
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if (err != noErr) { errorMsg="AudioUnitInitialize"; _state = -3; goto error; }
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// explicitly change samplerate of the devices, TODO allow separate rates with aggregates
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if (set_device_sample_rate(device_id_in, sample_rate, true)) {
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errorMsg="Failed to set SampleRate, Capture Device"; goto error;
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errorMsg="Failed to set SampleRate, Capture Device"; _state = -4; goto error;
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}
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if (set_device_sample_rate(device_id_out, sample_rate, false)) {
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errorMsg="Failed to set SampleRate, Playback Device"; goto error;
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errorMsg="Failed to set SampleRate, Playback Device"; _state = -4; goto error;
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}
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// explicitly request device buffer size
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if (device_id_in < _n_devices && set_device_buffer_size_id(_device_ids[device_id_in], samples_per_period)) {
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errorMsg="kAudioDevicePropertyBufferFrameSize, Input"; goto error;
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errorMsg="kAudioDevicePropertyBufferFrameSize, Input"; _state = -5; goto error;
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}
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if (device_id_out < _n_devices && set_device_buffer_size_id(_device_ids[device_id_out], samples_per_period)) {
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errorMsg="kAudioDevicePropertyBufferFrameSize, Output"; goto error;
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errorMsg="kAudioDevicePropertyBufferFrameSize, Output"; _state = -5; goto error;
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}
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// create aggregate device..
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@ -864,7 +864,7 @@ CoreAudioPCM::pcm_start (
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} else {
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_aggregate_device_id = 0;
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_aggregate_plugin_id = 0;
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errorMsg="Cannot create Aggregate Device"; goto error;
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errorMsg="Cannot create Aggregate Device"; _state = -12; goto error;
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}
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} else if (device_id_out < _n_devices) {
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device_id = _device_ids[device_id_out];
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@ -880,14 +880,14 @@ CoreAudioPCM::pcm_start (
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// enableIO to progress further
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uint32val = (chn_in > 0) ? 1 : 0;
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err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, AUHAL_INPUT_ELEMENT, &uint32val, sizeof(UInt32));
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if (err != noErr) { errorMsg="kAudioOutputUnitProperty_EnableIO, Input"; goto error; }
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if (err != noErr) { errorMsg="kAudioOutputUnitProperty_EnableIO, Input"; _state = -7; goto error; }
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uint32val = (chn_out > 0) ? 1 : 0;
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err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, AUHAL_OUTPUT_ELEMENT, &uint32val, sizeof(UInt32));
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if (err != noErr) { errorMsg="kAudioOutputUnitProperty_EnableIO, Output"; goto error; }
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if (err != noErr) { errorMsg="kAudioOutputUnitProperty_EnableIO, Output"; _state = -7; goto error; }
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err = AudioUnitSetProperty(_auhal, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &device_id, sizeof(AudioDeviceID));
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if (err != noErr) { errorMsg="kAudioOutputUnitProperty_CurrentDevice, Input"; goto error; }
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if (err != noErr) { errorMsg="kAudioOutputUnitProperty_CurrentDevice, Input"; _state = -7; goto error; }
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if (chn_in > 0) {
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// set sample format
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@ -901,10 +901,10 @@ CoreAudioPCM::pcm_start (
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srcFormat.mBitsPerChannel = 32;
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err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, AUHAL_INPUT_ELEMENT, &srcFormat, sizeof(AudioStreamBasicDescription));
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if (err != noErr) { errorMsg="kAudioUnitProperty_StreamFormat, Output"; goto error; }
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if (err != noErr) { errorMsg="kAudioUnitProperty_StreamFormat, Output"; _state = -6; goto error; }
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err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, AUHAL_INPUT_ELEMENT, (UInt32*)&_samples_per_period, sizeof(UInt32));
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if (err != noErr) { errorMsg="kAudioUnitProperty_MaximumFramesPerSlice, Input"; goto error; }
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if (err != noErr) { errorMsg="kAudioUnitProperty_MaximumFramesPerSlice, Input"; _state = -6; goto error; }
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}
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if (chn_out > 0) {
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@ -918,17 +918,17 @@ CoreAudioPCM::pcm_start (
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dstFormat.mBitsPerChannel = 32;
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err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, AUHAL_OUTPUT_ELEMENT, &dstFormat, sizeof(AudioStreamBasicDescription));
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if (err != noErr) { errorMsg="kAudioUnitProperty_StreamFormat Input"; goto error; }
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if (err != noErr) { errorMsg="kAudioUnitProperty_StreamFormat Input"; _state = -5; goto error; }
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err = AudioUnitSetProperty(_auhal, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, AUHAL_OUTPUT_ELEMENT, (UInt32*)&_samples_per_period, sizeof(UInt32));
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if (err != noErr) { errorMsg="kAudioUnitProperty_MaximumFramesPerSlice, Output"; goto error; }
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if (err != noErr) { errorMsg="kAudioUnitProperty_MaximumFramesPerSlice, Output"; _state = -5; goto error; }
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}
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/* read back stream descriptions */
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if (chn_in > 0) {
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size = sizeof(AudioStreamBasicDescription);
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err = AudioUnitGetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, AUHAL_INPUT_ELEMENT, &srcFormat, &size);
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if (err != noErr) { errorMsg="Get kAudioUnitProperty_StreamFormat, Output"; goto error; }
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if (err != noErr) { errorMsg="Get kAudioUnitProperty_StreamFormat, Output"; _state = -5; goto error; }
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_capture_channels = srcFormat.mChannelsPerFrame;
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#ifndef NDEBUG
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PrintStreamDesc(&srcFormat);
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@ -938,7 +938,7 @@ CoreAudioPCM::pcm_start (
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if (chn_out > 0) {
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size = sizeof(AudioStreamBasicDescription);
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err = AudioUnitGetProperty(_auhal, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, AUHAL_OUTPUT_ELEMENT, &dstFormat, &size);
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if (err != noErr) { errorMsg="Get kAudioUnitProperty_StreamFormat, Input"; goto error; }
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if (err != noErr) { errorMsg="Get kAudioUnitProperty_StreamFormat, Input"; _state = -5; goto error; }
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_playback_channels = dstFormat.mChannelsPerFrame;
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#ifndef NDEBUG
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@ -950,20 +950,20 @@ CoreAudioPCM::pcm_start (
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if (_capture_channels > 0) {
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_input_audio_buffer_list = (AudioBufferList*)malloc(sizeof(AudioBufferList) + (_capture_channels - 1) * sizeof(AudioBuffer));
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assert(_input_audio_buffer_list);
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if (!_input_audio_buffer_list) { errorMsg="Out of Memory."; goto error; }
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if (!_input_audio_buffer_list) { errorMsg="Out of Memory."; _state = -8; goto error; }
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}
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_active_device_id = device_id;
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// add Listeners
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err = add_listener (_active_device_id, kAudioDeviceProcessorOverload, this);
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if (err != noErr) { errorMsg="kAudioDeviceProcessorOverload, Listen"; goto error; }
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if (err != noErr) { errorMsg="kAudioDeviceProcessorOverload, Listen"; _state = -9; goto error; }
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err = add_listener (_active_device_id, kAudioDevicePropertyBufferFrameSize, this);
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if (err != noErr) { errorMsg="kAudioDevicePropertyBufferFrameSize, Listen"; goto error; }
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if (err != noErr) { errorMsg="kAudioDevicePropertyBufferFrameSize, Listen"; _state = -9; goto error; }
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err = add_listener (_active_device_id, kAudioDevicePropertyNominalSampleRate, this);
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if (err != noErr) { errorMsg="kAudioDevicePropertyBufferFrameSize, Listen"; goto error; }
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if (err != noErr) { errorMsg="kAudioDevicePropertyNominalSampleRate, Listen"; _state = -9; goto error; }
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_samples_per_period = current_buffer_size_id(_active_device_id);
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@ -984,7 +984,7 @@ CoreAudioPCM::pcm_start (
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&renderCallback, sizeof (renderCallback));
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}
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if (err != noErr) { errorMsg="kAudioUnitProperty_SetRenderCallback"; goto error; }
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if (err != noErr) { errorMsg="kAudioUnitProperty_SetRenderCallback"; _state = -10; goto error; }
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/* setup complete, now get going.. */
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if (AudioOutputUnitStart(_auhal) == noErr) {
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@ -997,17 +997,17 @@ CoreAudioPCM::pcm_start (
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// kick device
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if (set_device_buffer_size_id(_active_device_id, samples_per_period)) {
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errorMsg="kAudioDevicePropertyBufferFrameSize"; goto error;
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errorMsg="kAudioDevicePropertyBufferFrameSize"; _state = -11; goto error;
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}
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return 0;
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}
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error:
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assert (_state != 0);
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char *rv = (char*)&err;
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fprintf(stderr, "CoreaudioPCM Error: %c%c%c%c %s\n", rv[0], rv[1], rv[2], rv[3], errorMsg.c_str());
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pcm_stop();
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_state = -3;
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_active_device_id = 0;
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pthread_mutex_unlock (&_discovery_lock);
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return -1;
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