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/*************************************************************************/
/* audio_driver_nacl.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "audio_driver_nacl.h"
#include "ppapi/cpp/instance.h"
extern pp::Instance* godot_instance;
const char* AudioDriverNacl::get_name() const {
return "Nacl";
}
void AudioDriverNacl::output_callback(void* samples, uint32_t buffer_size, void* data) {
AudioDriverNacl* ad = (AudioDriverNacl*)data;
int16_t* out = (int16_t*)samples;
ad->lock();
ad->audio_server_process(ad->sample_frame_count_, ad->samples_in);
ad->unlock();
for (int i=0; i<ad->sample_count; i++) {
out[i] = ad->samples_in[i]>>16;
};
};
Error AudioDriverNacl::init(){
int frame_size = 4096;
sample_frame_count_ = pp::AudioConfig::RecommendSampleFrameCount(godot_instance,PP_AUDIOSAMPLERATE_44100, frame_size);
sample_count = sample_frame_count_ * 2;
audio_ = pp::Audio(godot_instance,
pp::AudioConfig(godot_instance,
PP_AUDIOSAMPLERATE_44100,
sample_frame_count_),
&AudioDriverNacl::output_callback,
this);
samples_in = memnew_arr(int32_t, sample_frame_count_ * 2);
return OK;
}
void AudioDriverNacl::start(){
audio_.StartPlayback();
}
int AudioDriverNacl::get_mix_rate() const {
return 44100;
}
AudioDriverSW::OutputFormat AudioDriverNacl::get_output_format() const{
return OUTPUT_STEREO;
}
void AudioDriverNacl::lock(){
}
void AudioDriverNacl::unlock() {
}
void AudioDriverNacl::finish(){
audio_.StopPlayback();
}
AudioDriverNacl::AudioDriverNacl() {
}
AudioDriverNacl::~AudioDriverNacl() {
memdelete_arr(samples_in);
}
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