diff options
Diffstat (limited to 'drumgizmo/output/coreaudio.cc')
| -rw-r--r-- | drumgizmo/output/coreaudio.cc | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/drumgizmo/output/coreaudio.cc b/drumgizmo/output/coreaudio.cc new file mode 100644 index 0000000..7cae44a --- /dev/null +++ b/drumgizmo/output/coreaudio.cc @@ -0,0 +1,147 @@ +/* -*- Mode: c++ -*- */ +/*************************************************************************** + * coreaudio.cc + * + * Sat Oct 21 18:27:52 CEST 2017 + * Copyright 2017 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "coreaudio.h" + +#include <hugin.hpp> + +static const char* errorString(OSStatus err) +{ + const char* err_string = "unknown"; + switch (err) { + case kAudioHardwareNoError: + err_string = "kAudioHardwareNoError"; + break; + case kAudioHardwareNotRunningError: + err_string = "kAudioHardwareNotRunningError"; + break; + case kAudioHardwareUnspecifiedError: + err_string = "kAudioHardwareUnspecifiedError"; + break; + case kAudioHardwareUnknownPropertyError: + err_string = "kAudioHardwareUnknownPropertyError"; + break; + case kAudioHardwareBadPropertySizeError: + err_string = "kAudioHardwareBadPropertySizeError"; + break; + case kAudioHardwareIllegalOperationError: + err_string = "kAudioHardwareIllegalOperationError"; + break; + case kAudioHardwareBadDeviceError: + err_string = "kAudioHardwareBadDeviceError"; + break; + case kAudioHardwareBadStreamError: + err_string = "kAudioHardwareBadStreamError"; + break; + case kAudioDeviceUnsupportedFormatError: + err_string = "kAudioDeviceUnsupportedFormatError"; + break; + case kAudioDevicePermissionsError: + err_string = "kAudioDevicePermissionsError"; + break; + default: + break; + } + + return err_string; +} + + +CoreAudioOutputEngine::CoreAudioOutputEngine() +{ + OSStatus err; + std::uint32_t size; + + size = sizeof(AudioDeviceID); + err = AudioHardwareGetProperty(kAudioHardwarePropertyDefaultOutputDevice, + &size, &device_id); + if(err != noErr) + { + ERR(coreaudio, "Error kAudioHardwarePropertyDefaultOutputDevice: %s", + errorString(err)); + } + + char device_name[256]; + memset(device_name, 0, sizeof(device_name)); + size = sizeof(device_name) - 1; // leave space for terminating zero + err = AudioDeviceGetProperty(device_id, 0, false, + kAudioDevicePropertyDeviceName, + &size, device_name); + if(err != noErr) + { + ERR(coreaudio, "Error kAudioDevicePropertyDeviceName: %s", + errorString(err)); + } + + DEBUG(coreaudio, "default device id: %d (%s)", device_id, device_name); +} + +CoreAudioOutputEngine::~CoreAudioOutputEngine() +{ +} + +bool CoreAudioOutputEngine::init(const Channels& channels) +{ + return true; +} + +void CoreAudioOutputEngine::setParm(const std::string& parm, + const std::string& value) +{ +} + +bool CoreAudioOutputEngine::start() +{ + return true; +} + +void CoreAudioOutputEngine::stop() +{ +} + +void CoreAudioOutputEngine::pre(size_t nsamples) +{ +} + +void CoreAudioOutputEngine::run(int ch, sample_t* samples, size_t nsamples) +{ + // Write channel data in interleaved buffer +} + +void CoreAudioOutputEngine::post(size_t nsamples) +{ + // Write the interleaved buffer to the soundcard +} + +size_t CoreAudioOutputEngine::getSamplerate() const +{ + return 0; +} + +bool CoreAudioOutputEngine::isFreewheeling() const +{ + return false; +} |