/*************************************************************************/ /* audio_driver_alsa.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 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 "servers/audio_server.h" #include <alsa/asoundlib.h> class AudioDriverALSA : public AudioDriver { Thread *thread = nullptr; Mutex mutex; snd_pcm_t *pcm_handle = nullptr; String device_name = "Default"; String new_device = "Default"; 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 = 0; SpeakerMode speaker_mode; snd_pcm_uframes_t buffer_frames; snd_pcm_uframes_t buffer_size; snd_pcm_uframes_t period_size; int channels = 0; bool active = false; bool thread_exited = false; mutable bool exit_thread = false; 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