|
|
@@ -1,161 +0,0 @@
|
|
|
-/*************************************************************************/
|
|
|
-/* audio_driver_ao.cpp */
|
|
|
-/*************************************************************************/
|
|
|
-/* This file is part of: */
|
|
|
-/* GODOT ENGINE */
|
|
|
-/* http://www.godotengine.org */
|
|
|
-/*************************************************************************/
|
|
|
-/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
|
|
-/* Copyright (c) 2014 Anton Yabchinskiy. */
|
|
|
-/* */
|
|
|
-/* 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. */
|
|
|
-/*************************************************************************/
|
|
|
-#include "audio_driver_ao.h"
|
|
|
-
|
|
|
-#ifdef AO_ENABLED
|
|
|
-
|
|
|
-#include "globals.h"
|
|
|
-#include "os/os.h"
|
|
|
-
|
|
|
-#include <cstring>
|
|
|
-
|
|
|
-Error AudioDriverAO::init() {
|
|
|
-
|
|
|
- active = false;
|
|
|
- thread_exited = false;
|
|
|
- exit_thread = false;
|
|
|
- pcm_open = false;
|
|
|
- samples_in = NULL;
|
|
|
-
|
|
|
- mix_rate = 44100;
|
|
|
- output_format = OUTPUT_STEREO;
|
|
|
- channels = 2;
|
|
|
-
|
|
|
- ao_sample_format format;
|
|
|
-
|
|
|
- format.bits = 16;
|
|
|
- format.rate = mix_rate;
|
|
|
- format.channels = channels;
|
|
|
- format.byte_format = AO_FMT_LITTLE;
|
|
|
- format.matrix = "L,R";
|
|
|
-
|
|
|
- device = ao_open_live(ao_default_driver_id(), &format, NULL);
|
|
|
- ERR_FAIL_COND_V(device == NULL, ERR_CANT_OPEN);
|
|
|
-
|
|
|
- int latency = GLOBAL_DEF("audio/output_latency", 25);
|
|
|
- buffer_size = nearest_power_of_2( latency * mix_rate / 1000 );
|
|
|
-
|
|
|
- samples_in = memnew_arr(int32_t, buffer_size * channels);
|
|
|
-
|
|
|
- mutex = Mutex::create();
|
|
|
- thread = Thread::create(AudioDriverAO::thread_func, this);
|
|
|
-
|
|
|
- return OK;
|
|
|
-};
|
|
|
-
|
|
|
-void AudioDriverAO::thread_func(void* p_udata) {
|
|
|
- AudioDriverAO* ad = (AudioDriverAO*)p_udata;
|
|
|
-
|
|
|
- // Overwrite samples on conversion
|
|
|
- int16_t* samples_out = reinterpret_cast<int16_t*>(ad->samples_in);
|
|
|
- unsigned int n_samples = ad->buffer_size * ad->channels;
|
|
|
- unsigned int n_bytes = n_samples * sizeof(int16_t);
|
|
|
-
|
|
|
- while (!ad->exit_thread) {
|
|
|
- if (ad->active) {
|
|
|
- ad->lock();
|
|
|
- ad->audio_server_process(ad->buffer_size, ad->samples_in);
|
|
|
- ad->unlock();
|
|
|
-
|
|
|
- for (unsigned int i = 0; i < n_samples; i++) {
|
|
|
- samples_out[i] = ad->samples_in[i] >> 16;
|
|
|
- }
|
|
|
- } else {
|
|
|
- memset(samples_out, 0, n_bytes);
|
|
|
- }
|
|
|
-
|
|
|
- if (ad->exit_thread)
|
|
|
- break;
|
|
|
-
|
|
|
- if (!ao_play(ad->device, reinterpret_cast<char*>(samples_out), n_bytes)) {
|
|
|
- ERR_PRINT("ao_play() failed");
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- ad->thread_exited = true;
|
|
|
-};
|
|
|
-
|
|
|
-void AudioDriverAO::start() {
|
|
|
- active = true;
|
|
|
-};
|
|
|
-
|
|
|
-int AudioDriverAO::get_mix_rate() const {
|
|
|
- return mix_rate;
|
|
|
-};
|
|
|
-
|
|
|
-AudioDriverSW::OutputFormat AudioDriverAO::get_output_format() const {
|
|
|
- return output_format;
|
|
|
-};
|
|
|
-
|
|
|
-void AudioDriverAO::lock() {
|
|
|
- if (!thread || !mutex)
|
|
|
- return;
|
|
|
- mutex->lock();
|
|
|
-};
|
|
|
-
|
|
|
-void AudioDriverAO::unlock() {
|
|
|
- if (!thread || !mutex)
|
|
|
- return;
|
|
|
- mutex->unlock();
|
|
|
-};
|
|
|
-
|
|
|
-void AudioDriverAO::finish() {
|
|
|
- if (!thread)
|
|
|
- return;
|
|
|
-
|
|
|
- exit_thread = true;
|
|
|
- Thread::wait_to_finish(thread);
|
|
|
-
|
|
|
- if (samples_in) {
|
|
|
- memdelete_arr(samples_in);
|
|
|
- };
|
|
|
-
|
|
|
- memdelete(thread);
|
|
|
- if (mutex)
|
|
|
- memdelete(mutex);
|
|
|
-
|
|
|
- if (device)
|
|
|
- ao_close(device);
|
|
|
-
|
|
|
- thread = NULL;
|
|
|
-};
|
|
|
-
|
|
|
-AudioDriverAO::AudioDriverAO() {
|
|
|
- mutex = NULL;
|
|
|
- thread = NULL;
|
|
|
-
|
|
|
- ao_initialize();
|
|
|
-};
|
|
|
-
|
|
|
-AudioDriverAO::~AudioDriverAO() {
|
|
|
- ao_shutdown();
|
|
|
-};
|
|
|
-
|
|
|
-#endif
|
Juan Linietsky