1 /*************************************************************************/ 2 /* audio_driver_pulseaudio.h */ 3 /*************************************************************************/ 4 /* This file is part of: */ 5 /* GODOT ENGINE */ 6 /* https://godotengine.org */ 7 /*************************************************************************/ 8 /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ 9 /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ 10 /* */ 11 /* Permission is hereby granted, free of charge, to any person obtaining */ 12 /* a copy of this software and associated documentation files (the */ 13 /* "Software"), to deal in the Software without restriction, including */ 14 /* without limitation the rights to use, copy, modify, merge, publish, */ 15 /* distribute, sublicense, and/or sell copies of the Software, and to */ 16 /* permit persons to whom the Software is furnished to do so, subject to */ 17 /* the following conditions: */ 18 /* */ 19 /* The above copyright notice and this permission notice shall be */ 20 /* included in all copies or substantial portions of the Software. */ 21 /* */ 22 /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ 23 /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ 24 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ 25 /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ 26 /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ 27 /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ 28 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ 29 /*************************************************************************/ 30 #include "servers/audio/audio_server_sw.h" 31 32 #ifdef PULSEAUDIO_ENABLED 33 34 #include "core/os/mutex.h" 35 #include "core/os/thread.h" 36 37 #include <pulse/simple.h> 38 39 class AudioDriverPulseAudio : public AudioDriverSW { 40 41 Thread *thread; 42 Mutex *mutex; 43 44 pa_simple *pulse; 45 46 int32_t *samples_in; 47 int16_t *samples_out; 48 49 static void thread_func(void *p_udata); 50 51 unsigned int mix_rate; 52 OutputFormat output_format; 53 54 unsigned int buffer_size; 55 int channels; 56 57 bool active; 58 bool thread_exited; 59 mutable bool exit_thread; 60 bool pcm_open; 61 62 float latency; 63 64 public: get_name()65 const char *get_name() const { 66 return "PulseAudio"; 67 }; 68 69 virtual Error init(); 70 virtual void start(); 71 virtual int get_mix_rate() const; 72 virtual OutputFormat get_output_format() const; 73 virtual void lock(); 74 virtual void unlock(); 75 virtual void finish(); 76 77 virtual float get_latency(); 78 79 AudioDriverPulseAudio(); 80 ~AudioDriverPulseAudio(); 81 }; 82 83 #endif 84