107 lines
3.5 KiB
C++
107 lines
3.5 KiB
C++
/*************************************************************************/
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/* audio_driver_nacl.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "audio_driver_nacl.h"
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#include "ppapi/cpp/instance.h"
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extern pp::Instance* godot_instance;
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const char* AudioDriverNacl::get_name() const {
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return "Nacl";
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}
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void AudioDriverNacl::output_callback(void* samples, uint32_t buffer_size, void* data) {
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AudioDriverNacl* ad = (AudioDriverNacl*)data;
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int16_t* out = (int16_t*)samples;
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ad->lock();
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ad->audio_server_process(ad->sample_frame_count_, ad->samples_in);
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ad->unlock();
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for (int i=0; i<ad->sample_count; i++) {
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out[i] = ad->samples_in[i]>>16;
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};
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};
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Error AudioDriverNacl::init(){
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int frame_size = 4096;
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sample_frame_count_ = pp::AudioConfig::RecommendSampleFrameCount(godot_instance,PP_AUDIOSAMPLERATE_44100, frame_size);
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sample_count = sample_frame_count_ * 2;
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audio_ = pp::Audio(godot_instance,
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pp::AudioConfig(godot_instance,
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PP_AUDIOSAMPLERATE_44100,
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sample_frame_count_),
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&AudioDriverNacl::output_callback,
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this);
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samples_in = memnew_arr(int32_t, sample_frame_count_ * 2);
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return OK;
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}
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void AudioDriverNacl::start(){
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audio_.StartPlayback();
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}
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int AudioDriverNacl::get_mix_rate() const {
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return 44100;
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}
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AudioDriverSW::OutputFormat AudioDriverNacl::get_output_format() const{
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return OUTPUT_STEREO;
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}
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void AudioDriverNacl::lock(){
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}
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void AudioDriverNacl::unlock() {
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}
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void AudioDriverNacl::finish(){
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audio_.StopPlayback();
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}
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AudioDriverNacl::AudioDriverNacl() {
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}
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AudioDriverNacl::~AudioDriverNacl() {
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memdelete_arr(samples_in);
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}
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