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73830b3c12
[macOS/iOS] Use hardware sampling rates for audio I/O.
131 lines
4.9 KiB
C++
131 lines
4.9 KiB
C++
/**************************************************************************/
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/* audio_driver_coreaudio.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef AUDIO_DRIVER_COREAUDIO_H
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#define AUDIO_DRIVER_COREAUDIO_H
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#ifdef COREAUDIO_ENABLED
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#include "servers/audio_server.h"
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#import <AudioUnit/AudioUnit.h>
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#ifdef MACOS_ENABLED
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#import <CoreAudio/AudioHardware.h>
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#else
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#import <AVFoundation/AVFoundation.h>
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#endif
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class AudioDriverCoreAudio : public AudioDriver {
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AudioComponentInstance audio_unit = nullptr;
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AudioComponentInstance input_unit = nullptr;
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bool active = false;
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Mutex mutex;
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String output_device_name = "Default";
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String input_device_name = "Default";
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int mix_rate = 0;
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int capture_mix_rate = 0;
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unsigned int channels = 2;
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unsigned int capture_channels = 2;
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unsigned int buffer_frames = 0;
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unsigned int capture_buffer_frames = 0;
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Vector<int32_t> samples_in;
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Vector<int16_t> input_buf;
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#ifdef MACOS_ENABLED
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PackedStringArray _get_device_list(bool capture = false);
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void _set_device(const String &output_device, bool capture = false);
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static OSStatus input_device_address_cb(AudioObjectID inObjectID,
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UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses,
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void *inClientData);
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static OSStatus output_device_address_cb(AudioObjectID inObjectID,
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UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses,
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void *inClientData);
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#endif
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static OSStatus output_callback(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *inTimeStamp,
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UInt32 inBusNumber, UInt32 inNumberFrames,
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AudioBufferList *ioData);
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static OSStatus input_callback(void *inRefCon,
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AudioUnitRenderActionFlags *ioActionFlags,
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const AudioTimeStamp *inTimeStamp,
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UInt32 inBusNumber, UInt32 inNumberFrames,
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AudioBufferList *ioData);
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Error init_input_device();
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void finish_input_device();
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public:
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virtual const char *get_name() const override {
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return "CoreAudio";
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}
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virtual Error init() override;
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virtual void start() override;
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virtual int get_mix_rate() const override;
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virtual int get_input_mix_rate() const override;
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virtual SpeakerMode get_speaker_mode() const override;
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virtual void lock() override;
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virtual void unlock() override;
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virtual void finish() override;
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#ifdef MACOS_ENABLED
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virtual PackedStringArray get_output_device_list() override;
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virtual String get_output_device() override;
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virtual void set_output_device(const String &p_name) override;
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virtual PackedStringArray get_input_device_list() override;
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virtual String get_input_device() override;
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virtual void set_input_device(const String &p_name) override;
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#endif
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virtual Error input_start() override;
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virtual Error input_stop() override;
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bool try_lock();
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void stop();
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AudioDriverCoreAudio();
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~AudioDriverCoreAudio() {}
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};
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#endif // COREAUDIO_ENABLED
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#endif // AUDIO_DRIVER_COREAUDIO_H
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