initial commit, 4.5 stable

drivers/coreaudio/audio_driver_coreaudio.h

@@ -0,0 +1,127 @@
+/**************************************************************************/
+/*  audio_driver_coreaudio.h                                              */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#pragma once
+
+#ifdef COREAUDIO_ENABLED
+
+#include "servers/audio_server.h"
+
+#import <AudioUnit/AudioUnit.h>
+#ifdef MACOS_ENABLED
+#import <CoreAudio/AudioHardware.h>
+#else
+#import <AVFoundation/AVFoundation.h>
+#endif
+
+class AudioDriverCoreAudio : public AudioDriver {
+	AudioComponentInstance audio_unit = nullptr;
+	AudioComponentInstance input_unit = nullptr;
+
+	bool active = false;
+	Mutex mutex;
+
+	String output_device_name = "Default";
+	String input_device_name = "Default";
+
+	int mix_rate = 0;
+	int capture_mix_rate = 0;
+	unsigned int channels = 2;
+	unsigned int capture_channels = 2;
+	unsigned int buffer_frames = 0;
+	unsigned int capture_buffer_frames = 0;
+
+	Vector<int32_t> samples_in;
+	unsigned int buffer_size = 0;
+
+#ifdef MACOS_ENABLED
+	PackedStringArray _get_device_list(bool capture = false);
+	void _set_device(const String &output_device, bool capture = false);
+
+	static OSStatus input_device_address_cb(AudioObjectID inObjectID,
+			UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses,
+			void *inClientData);
+
+	static OSStatus output_device_address_cb(AudioObjectID inObjectID,
+			UInt32 inNumberAddresses, const AudioObjectPropertyAddress *inAddresses,
+			void *inClientData);
+#endif
+
+	static OSStatus output_callback(void *inRefCon,
+			AudioUnitRenderActionFlags *ioActionFlags,
+			const AudioTimeStamp *inTimeStamp,
+			UInt32 inBusNumber, UInt32 inNumberFrames,
+			AudioBufferList *ioData);
+
+	static OSStatus input_callback(void *inRefCon,
+			AudioUnitRenderActionFlags *ioActionFlags,
+			const AudioTimeStamp *inTimeStamp,
+			UInt32 inBusNumber, UInt32 inNumberFrames,
+			AudioBufferList *ioData);
+
+	Error init_input_device();
+	void finish_input_device();
+
+public:
+	virtual const char *get_name() const override {
+		return "CoreAudio";
+	}
+
+	virtual Error init() override;
+	virtual void start() override;
+	virtual int get_mix_rate() const override;
+	virtual int get_input_mix_rate() const override;
+	virtual SpeakerMode get_speaker_mode() const override;
+
+	virtual void lock() override;
+	virtual void unlock() override;
+	virtual void finish() override;
+
+#ifdef MACOS_ENABLED
+	virtual PackedStringArray get_output_device_list() override;
+	virtual String get_output_device() override;
+	virtual void set_output_device(const String &p_name) override;
+
+	virtual PackedStringArray get_input_device_list() override;
+	virtual String get_input_device() override;
+	virtual void set_input_device(const String &p_name) override;
+#endif
+
+	virtual Error input_start() override;
+	virtual Error input_stop() override;
+
+	bool try_lock();
+	void stop();
+
+	AudioDriverCoreAudio();
+	~AudioDriverCoreAudio() {}
+};
+
+#endif // COREAUDIO_ENABLED