diff options
Diffstat (limited to 'extern/audaspace/plugins/coreaudio')
4 files changed, 526 insertions, 0 deletions
diff --git a/extern/audaspace/plugins/coreaudio/CoreAudioDevice.cpp b/extern/audaspace/plugins/coreaudio/CoreAudioDevice.cpp new file mode 100644 index 00000000000..113ceccad60 --- /dev/null +++ b/extern/audaspace/plugins/coreaudio/CoreAudioDevice.cpp @@ -0,0 +1,235 @@ +/******************************************************************************* + * Copyright 2009-2021 Jörg Müller + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + ******************************************************************************/ + +#include "CoreAudioDevice.h" +#include "devices/DeviceManager.h" +#include "devices/IDeviceFactory.h" +#include "Exception.h" +#include "IReader.h" + +AUD_NAMESPACE_BEGIN + +OSStatus CoreAudioDevice::CoreAudio_mix(void* data, AudioUnitRenderActionFlags* flags, const AudioTimeStamp* time_stamp, UInt32 bus_number, UInt32 number_frames, AudioBufferList* buffer_list) +{ + CoreAudioDevice* device = (CoreAudioDevice*)data; + + for(int i = 0; i < buffer_list->mNumberBuffers; i++) + { + auto& buffer = buffer_list->mBuffers[i]; + + device->mix((data_t*)buffer.mData, buffer.mDataByteSize / AUD_DEVICE_SAMPLE_SIZE(device->m_specs)); + } + + return noErr; +} + +void CoreAudioDevice::playing(bool playing) +{ + if(m_playback != playing) + { + if(playing) + AudioOutputUnitStart(m_audio_unit); + else + AudioOutputUnitStop(m_audio_unit); + } + + m_playback = playing; +} + +CoreAudioDevice::CoreAudioDevice(DeviceSpecs specs, int buffersize) : +m_playback(false), +m_audio_unit(nullptr) +{ + AudioComponentDescription component_description = {}; + + component_description.componentType = kAudioUnitType_Output; + component_description.componentSubType = kAudioUnitSubType_DefaultOutput; + component_description.componentManufacturer = kAudioUnitManufacturer_Apple; + + AudioComponent component = AudioComponentFindNext(nullptr, &component_description); + + if(!component) + AUD_THROW(DeviceException, "The audio device couldn't be opened with CoreAudio."); + + OSStatus status = AudioComponentInstanceNew(component, &m_audio_unit); + + if(status != noErr) + AUD_THROW(DeviceException, "The audio device couldn't be opened with CoreAudio."); + + AudioStreamBasicDescription stream_basic_description = {}; + + if(specs.channels == CHANNELS_INVALID) + specs.channels = CHANNELS_STEREO; + if(specs.format == FORMAT_INVALID) + specs.format = FORMAT_FLOAT32; + if(specs.rate == RATE_INVALID) + specs.rate = RATE_48000; + + switch(specs.format) + { + case FORMAT_U8: + stream_basic_description.mFormatFlags = 0; + stream_basic_description.mBitsPerChannel = 8; + break; + case FORMAT_S16: + stream_basic_description.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger; + stream_basic_description.mBitsPerChannel = 16; + break; + case FORMAT_S24: + stream_basic_description.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger; + stream_basic_description.mBitsPerChannel = 24; + break; + case FORMAT_S32: + stream_basic_description.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger; + stream_basic_description.mBitsPerChannel = 32; + break; + case FORMAT_FLOAT32: + stream_basic_description.mFormatFlags = kLinearPCMFormatFlagIsFloat; + stream_basic_description.mBitsPerChannel = 32; + break; + case FORMAT_FLOAT64: + stream_basic_description.mFormatFlags = kLinearPCMFormatFlagIsFloat; + stream_basic_description.mBitsPerChannel = 64; + break; + default: + specs.format = FORMAT_FLOAT32; + stream_basic_description.mFormatFlags = kLinearPCMFormatFlagIsFloat; + stream_basic_description.mBitsPerChannel = 32; + break; + } + + stream_basic_description.mSampleRate = specs.rate; + stream_basic_description.mFormatID = kAudioFormatLinearPCM; + stream_basic_description.mFormatFlags |= kAudioFormatFlagsNativeEndian | kLinearPCMFormatFlagIsPacked; + stream_basic_description.mBytesPerPacket = stream_basic_description.mBytesPerFrame = AUD_DEVICE_SAMPLE_SIZE(specs); + stream_basic_description.mFramesPerPacket = 1; + stream_basic_description.mChannelsPerFrame = specs.channels; + + status = AudioUnitSetProperty(m_audio_unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, 0, &stream_basic_description, sizeof(stream_basic_description)); + + if(status != noErr) + { + AudioComponentInstanceDispose(m_audio_unit); + AUD_THROW(DeviceException, "The audio device couldn't be opened with CoreAudio."); + } + + m_specs = specs; + + AURenderCallbackStruct render_callback_struct; + render_callback_struct.inputProc = CoreAudioDevice::CoreAudio_mix; + render_callback_struct.inputProcRefCon = this; + + status = AudioUnitSetProperty(m_audio_unit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Input, 0, &render_callback_struct, sizeof(render_callback_struct)); + + if(status != noErr) + { + AudioComponentInstanceDispose(m_audio_unit); + AUD_THROW(DeviceException, "The audio device couldn't be opened with CoreAudio."); + } + + status = AudioUnitInitialize(m_audio_unit); + + if(status != noErr) + { + AudioComponentInstanceDispose(m_audio_unit); + AUD_THROW(DeviceException, "The audio device couldn't be opened with CoreAudio."); + } + + try + { + m_synchronizer = std::unique_ptr<CoreAudioSynchronizer>(new CoreAudioSynchronizer(m_audio_unit)); + } + catch(Exception&) + { + AudioComponentInstanceDispose(m_audio_unit); + throw; + } + + create(); +} + +CoreAudioDevice::~CoreAudioDevice() +{ + AudioOutputUnitStop(m_audio_unit); + AudioUnitUninitialize(m_audio_unit); + AudioComponentInstanceDispose(m_audio_unit); + + destroy(); +} + +ISynchronizer* CoreAudioDevice::getSynchronizer() +{ + return m_synchronizer.get(); +} + +class CoreAudioDeviceFactory : public IDeviceFactory +{ +private: + DeviceSpecs m_specs; + int m_buffersize; + +public: + CoreAudioDeviceFactory() : + m_buffersize(AUD_DEFAULT_BUFFER_SIZE) + { + m_specs.format = FORMAT_FLOAT32; + m_specs.channels = CHANNELS_STEREO; + m_specs.rate = RATE_48000; + } + + virtual std::shared_ptr<IDevice> openDevice() + { + return std::shared_ptr<IDevice>(new CoreAudioDevice(m_specs, m_buffersize)); + } + + virtual int getPriority() + { + return 1 << 15; + } + + virtual void setSpecs(DeviceSpecs specs) + { + m_specs = specs; + } + + virtual void setBufferSize(int buffersize) + { + m_buffersize = buffersize; + } + + virtual void setName(std::string name) + { + } +}; + +void CoreAudioDevice::registerPlugin() +{ + DeviceManager::registerDevice("CoreAudio", std::shared_ptr<IDeviceFactory>(new CoreAudioDeviceFactory)); +} + +#ifdef COREAUDIO_PLUGIN +extern "C" AUD_PLUGIN_API void registerPlugin() +{ + CoreAudioDevice::registerPlugin(); +} + +extern "C" AUD_PLUGIN_API const char* getName() +{ + return "CoreAudio"; +} +#endif + +AUD_NAMESPACE_END diff --git a/extern/audaspace/plugins/coreaudio/CoreAudioDevice.h b/extern/audaspace/plugins/coreaudio/CoreAudioDevice.h new file mode 100644 index 00000000000..3770228db6f --- /dev/null +++ b/extern/audaspace/plugins/coreaudio/CoreAudioDevice.h @@ -0,0 +1,100 @@ +/******************************************************************************* + * Copyright 2009-2021 Jörg Müller + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + ******************************************************************************/ + +#pragma once + +#ifdef COREAUDIO_PLUGIN +#define AUD_BUILD_PLUGIN +#endif + +/** + * @file CoreAudioDevice.h + * @ingroup plugin + * The CoreAudioDevice class. + */ + +#include "CoreAudioSynchronizer.h" +#include "devices/SoftwareDevice.h" + +#include <memory> + +#include <AudioUnit/AudioUnit.h> + +AUD_NAMESPACE_BEGIN + +/** + * This device plays back through CoreAudio, the Apple audio API. + */ +class AUD_PLUGIN_API CoreAudioDevice : public SoftwareDevice +{ +private: + /** + * Whether there is currently playback. + */ + bool m_playback; + + /** + * The CoreAudio AudioUnit. + */ + AudioUnit m_audio_unit; + + /** + * The Synchronizer. + */ + std::unique_ptr<CoreAudioSynchronizer> m_synchronizer; + + /** + * Mixes the next bytes into the buffer. + * \param data The CoreAudio device. + * \param flags Unused flags. + * \param time_stamp Unused time stamp. + * \param bus_number Unused bus number. + * \param number_frames Unused number of frames. + * \param buffer_list The list of buffers to be filled. + */ + AUD_LOCAL static OSStatus CoreAudio_mix(void* data, AudioUnitRenderActionFlags* flags, const AudioTimeStamp* time_stamp, UInt32 bus_number, UInt32 number_frames, AudioBufferList* buffer_list); + + // delete copy constructor and operator= + CoreAudioDevice(const CoreAudioDevice&) = delete; + CoreAudioDevice& operator=(const CoreAudioDevice&) = delete; + +protected: + virtual void playing(bool playing); + +public: + /** + * Opens the CoreAudio audio device for playback. + * \param specs The wanted audio specification. + * \param buffersize The size of the internal buffer. + * \note The specification really used for opening the device may differ. + * \exception Exception Thrown if the audio device cannot be opened. + */ + CoreAudioDevice(DeviceSpecs specs, int buffersize = AUD_DEFAULT_BUFFER_SIZE); + + /** + * Closes the CoreAudio audio device. + */ + virtual ~CoreAudioDevice(); + + virtual ISynchronizer* getSynchronizer(); + + /** + * Registers this plugin. + */ + static void registerPlugin(); +}; + +AUD_NAMESPACE_END diff --git a/extern/audaspace/plugins/coreaudio/CoreAudioSynchronizer.cpp b/extern/audaspace/plugins/coreaudio/CoreAudioSynchronizer.cpp new file mode 100644 index 00000000000..fcfa7fde9be --- /dev/null +++ b/extern/audaspace/plugins/coreaudio/CoreAudioSynchronizer.cpp @@ -0,0 +1,127 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + ******************************************************************************/ + +#include "CoreAudioSynchronizer.h" + +#include "CoreAudioDevice.h" +#include "Exception.h" + +AUD_NAMESPACE_BEGIN + +CoreAudioSynchronizer::CoreAudioSynchronizer(AudioUnit& audio_unit) : + m_clock_ref(nullptr), + m_playing(false) +{ + OSStatus status = CAClockNew(0, &m_clock_ref); + + if(status != noErr) + AUD_THROW(DeviceException, "Could not create a CoreAudio clock."); + + CAClockTimebase timebase = kCAClockTimebase_AudioOutputUnit; + + status = CAClockSetProperty(m_clock_ref, kCAClockProperty_InternalTimebase, sizeof(timebase), &timebase); + + if(status != noErr) + { + CAClockDispose(m_clock_ref); + AUD_THROW(DeviceException, "Could not create a CoreAudio clock."); + } + + status = CAClockSetProperty(m_clock_ref, kCAClockProperty_TimebaseSource, sizeof(audio_unit), &audio_unit); + + if(status != noErr) + { + CAClockDispose(m_clock_ref); + AUD_THROW(DeviceException, "Could not create a CoreAudio clock."); + } + + CAClockSyncMode sync_mode = kCAClockSyncMode_Internal; + + status = CAClockSetProperty(m_clock_ref, kCAClockProperty_SyncMode, sizeof(sync_mode), &sync_mode); + + if(status != noErr) + { + CAClockDispose(m_clock_ref); + AUD_THROW(DeviceException, "Could not create a CoreAudio clock."); + } +} + +CoreAudioSynchronizer::~CoreAudioSynchronizer() +{ + CAClockDispose(m_clock_ref); +} + +void CoreAudioSynchronizer::seek(std::shared_ptr<IHandle> handle, double time) +{ + if(m_playing) + CAClockStop(m_clock_ref); + + CAClockTime clock_time; + clock_time.format = kCAClockTimeFormat_Seconds; + clock_time.time.seconds = time; + CAClockSetCurrentTime(m_clock_ref, &clock_time); + + handle->seek(time); + + if(m_playing) + CAClockStart(m_clock_ref); +} + +double CoreAudioSynchronizer::getPosition(std::shared_ptr<IHandle> handle) +{ + CAClockTime clock_time; + + OSStatus status; + + if(m_playing) + status = CAClockGetCurrentTime(m_clock_ref, kCAClockTimeFormat_Seconds, &clock_time); + else + status = CAClockGetStartTime(m_clock_ref, kCAClockTimeFormat_Seconds, &clock_time); + + if(status != noErr) + return 0; + + return clock_time.time.seconds; +} + +void CoreAudioSynchronizer::play() +{ + if(m_playing) + return; + + m_playing = true; + CAClockStart(m_clock_ref); +} + +void CoreAudioSynchronizer::stop() +{ + if(!m_playing) + return; + + m_playing = false; + CAClockStop(m_clock_ref); +} + +void CoreAudioSynchronizer::setSyncCallback(ISynchronizer::syncFunction function, void* data) +{ +} + +int CoreAudioSynchronizer::isPlaying() +{ + return m_playing; +} + +AUD_NAMESPACE_END diff --git a/extern/audaspace/plugins/coreaudio/CoreAudioSynchronizer.h b/extern/audaspace/plugins/coreaudio/CoreAudioSynchronizer.h new file mode 100644 index 00000000000..4f9d9b28ea5 --- /dev/null +++ b/extern/audaspace/plugins/coreaudio/CoreAudioSynchronizer.h @@ -0,0 +1,64 @@ +/******************************************************************************* + * Copyright 2009-2016 Jörg Müller + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + ******************************************************************************/ + +#pragma once + +#ifdef COREAUDIO_PLUGIN +#define AUD_BUILD_PLUGIN +#endif + +/** + * @file CoreAudioSynchronizer.h + * @ingroup plugin + * The CoreAudioSynchronizer class. + */ + +#include "devices/ISynchronizer.h" + +#include <AudioUnit/AudioUnit.h> +#include <AudioToolbox/CoreAudioClock.h> + +AUD_NAMESPACE_BEGIN + +/** + * This class is a Synchronizer implementation using a CoreAudio clock. + */ +class AUD_PLUGIN_API CoreAudioSynchronizer : public ISynchronizer +{ +private: + /// The CoreAudio clock referene. + CAClockRef m_clock_ref; + + /// Whether the clock is currently playing. + bool m_playing; + +public: + /** + * Creates a new CoreAudioSynchronizer. + * @param device The device that should be synchronized. + */ + CoreAudioSynchronizer(AudioUnit& audio_unit); + virtual ~CoreAudioSynchronizer(); + + virtual void seek(std::shared_ptr<IHandle> handle, double time); + virtual double getPosition(std::shared_ptr<IHandle> handle); + virtual void play(); + virtual void stop(); + virtual void setSyncCallback(syncFunction function, void* data); + virtual int isPlaying(); +}; + +AUD_NAMESPACE_END |