93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
/*************************************************************************/
|
|
/* audio_driver_alsa.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
|
|
/* */
|
|
/* 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_ALSA_H
|
|
#define AUDIO_DRIVER_ALSA_H
|
|
|
|
#ifdef ALSA_ENABLED
|
|
|
|
#include "core/os/mutex.h"
|
|
#include "core/os/thread.h"
|
|
#include "core/safe_refcount.h"
|
|
#include "servers/audio_server.h"
|
|
|
|
#include "asound-so_wrap.h"
|
|
|
|
class AudioDriverALSA : public AudioDriver {
|
|
Thread thread;
|
|
Mutex mutex;
|
|
|
|
snd_pcm_t *pcm_handle;
|
|
|
|
String device_name;
|
|
String new_device;
|
|
|
|
Vector<int32_t> samples_in;
|
|
Vector<int16_t> samples_out;
|
|
|
|
Error init_device();
|
|
void finish_device();
|
|
|
|
static void thread_func(void *p_udata);
|
|
|
|
unsigned int mix_rate;
|
|
SpeakerMode speaker_mode;
|
|
|
|
snd_pcm_uframes_t buffer_frames;
|
|
snd_pcm_uframes_t buffer_size;
|
|
snd_pcm_uframes_t period_size;
|
|
int channels;
|
|
|
|
SafeFlag active;
|
|
SafeFlag exit_thread;
|
|
|
|
public:
|
|
const char *get_name() const {
|
|
return "ALSA";
|
|
};
|
|
|
|
virtual Error init();
|
|
virtual void start();
|
|
virtual int get_mix_rate() const;
|
|
virtual SpeakerMode get_speaker_mode() const;
|
|
virtual Array get_device_list();
|
|
virtual String get_device();
|
|
virtual void set_device(String device);
|
|
virtual void lock();
|
|
virtual void unlock();
|
|
virtual void finish();
|
|
|
|
AudioDriverALSA();
|
|
~AudioDriverALSA();
|
|
};
|
|
|
|
#endif // ALSA_ENABLED
|
|
|
|
#endif // AUDIO_DRIVER_ALSA_H
|