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	- Rename all instances of `capture_start()` and `capture_end()` to their new names. Fixes #72892. - More internal renames to match what was started in #69120. - Use `override` consistently so that such refactoring bugs can be caught. - Harmonize the order of definition of the overridden virtual methods in each audio driver. - Harmonize prototype for `set_output_device` and `set_input_device`. Co-authored-by: Rémi Verschelde <rverschelde@gmail.com>
		
			
				
	
	
		
			127 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
	
		
			4.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/**************************************************************************/
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/*  audio_driver_wasapi.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_WASAPI_H
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#define AUDIO_DRIVER_WASAPI_H
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#ifdef WASAPI_ENABLED
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#include "core/os/mutex.h"
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#include "core/os/thread.h"
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#include "core/templates/safe_refcount.h"
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#include "servers/audio_server.h"
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#include <audioclient.h>
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#include <mmdeviceapi.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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class AudioDriverWASAPI : public AudioDriver {
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	class AudioDeviceWASAPI {
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	public:
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		IAudioClient *audio_client = nullptr;
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		IAudioRenderClient *render_client = nullptr; // Output
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		IAudioCaptureClient *capture_client = nullptr; // Input
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		SafeFlag active;
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		WORD format_tag = 0;
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		WORD bits_per_sample = 0;
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		unsigned int channels = 0;
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		unsigned int frame_size = 0;
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		String device_name = "Default"; // Output OR Input
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		String new_device = "Default"; // Output OR Input
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		AudioDeviceWASAPI() {}
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	};
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	AudioDeviceWASAPI audio_input;
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	AudioDeviceWASAPI audio_output;
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	Mutex mutex;
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	Thread thread;
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	Vector<int32_t> samples_in;
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	unsigned int channels = 0;
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	int mix_rate = 0;
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	int buffer_frames = 0;
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	int target_latency_ms = 0;
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	float real_latency = 0.0;
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	bool using_audio_client_3 = false;
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	SafeFlag exit_thread;
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	static _FORCE_INLINE_ void write_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i, int32_t sample);
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	static _FORCE_INLINE_ int32_t read_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i);
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	static void thread_func(void *p_udata);
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	Error init_output_device(bool p_reinit = false);
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	Error init_input_device(bool p_reinit = false);
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	Error finish_output_device();
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	Error finish_input_device();
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	Error audio_device_init(AudioDeviceWASAPI *p_device, bool p_input, bool p_reinit, bool p_no_audio_client_3 = false);
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	Error audio_device_finish(AudioDeviceWASAPI *p_device);
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	PackedStringArray audio_device_get_list(bool p_input);
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public:
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	virtual const char *get_name() const override {
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		return "WASAPI";
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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 SpeakerMode get_speaker_mode() const override;
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	virtual float get_latency() 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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	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 Error input_start() override;
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	virtual Error input_stop() 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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	AudioDriverWASAPI();
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};
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#endif // WASAPI_ENABLED
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#endif // AUDIO_DRIVER_WASAPI_H
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