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/**************************************************************************/
/* audio_driver_wasapi.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. */
/**************************************************************************/
#ifndef AUDIO_DRIVER_WASAPI_H
#define AUDIO_DRIVER_WASAPI_H
#ifdef WASAPI_ENABLED
#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "core/templates/safe_refcount.h"
#include "servers/audio_server.h"
#include <audioclient.h>
#include <mmdeviceapi.h>
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
class AudioDriverWASAPI : public AudioDriver {
class AudioDeviceWASAPI {
public:
IAudioClient *audio_client = nullptr;
IAudioRenderClient *render_client = nullptr; // Output
IAudioCaptureClient *capture_client = nullptr; // Input
SafeFlag active;
WORD format_tag = 0;
WORD bits_per_sample = 0;
unsigned int channels = 0;
unsigned int frame_size = 0;
String device_name = "Default"; // Output OR Input
String new_device = "Default"; // Output OR Input
AudioDeviceWASAPI() {}
};
AudioDeviceWASAPI audio_input;
AudioDeviceWASAPI audio_output;
Mutex mutex;
Thread thread;
Vector<int32_t> samples_in;
unsigned int channels = 0;
int mix_rate = 0;
int buffer_frames = 0;
int target_latency_ms = 0;
float real_latency = 0.0;
bool using_audio_client_3 = false;
SafeFlag exit_thread;
static _FORCE_INLINE_ void write_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i, int32_t sample);
static _FORCE_INLINE_ int32_t read_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i);
static void thread_func(void *p_udata);
Error init_output_device(bool p_reinit = false);
Error init_input_device(bool p_reinit = false);
Error finish_output_device();
Error finish_input_device();
Error audio_device_init(AudioDeviceWASAPI *p_device, bool p_input, bool p_reinit, bool p_no_audio_client_3 = false);
Error audio_device_finish(AudioDeviceWASAPI *p_device);
PackedStringArray audio_device_get_list(bool p_input);
public:
virtual const char *get_name() const {
return "WASAPI";
}
virtual Error init();
virtual void start();
virtual int get_mix_rate() const;
virtual float get_latency();
virtual SpeakerMode get_speaker_mode() const;
virtual PackedStringArray get_output_device_list();
virtual String get_output_device();
virtual void set_output_device(String output_device);
virtual void lock();
virtual void unlock();
virtual void finish();
virtual Error input_start();
virtual Error input_stop();
virtual PackedStringArray get_input_device_list();
virtual void set_input_device(const String &p_name);
virtual String get_input_device();
AudioDriverWASAPI();
};
#endif // WASAPI_ENABLED
#endif // AUDIO_DRIVER_WASAPI_H
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