ebiten/audio/internal/oboe/oboe_opensles_OutputMixerOpenSLES_android.cpp

75 lines
2.4 KiB
C++
Vendored

/*
* Copyright 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "oboe_common_OboeDebug_android.h"
#include "oboe_opensles_EngineOpenSLES_android.h"
#include "oboe_opensles_OpenSLESUtilities_android.h"
#include "oboe_opensles_OutputMixerOpenSLES_android.h"
using namespace oboe;
OutputMixerOpenSL &OutputMixerOpenSL::getInstance() {
static OutputMixerOpenSL sInstance;
return sInstance;
}
SLresult OutputMixerOpenSL::open() {
std::lock_guard<std::mutex> lock(mLock);
SLresult result = SL_RESULT_SUCCESS;
if (mOpenCount++ == 0) {
// get the output mixer
result = EngineOpenSLES::getInstance().createOutputMix(&mOutputMixObject);
if (SL_RESULT_SUCCESS != result) {
LOGE("OutputMixerOpenSL() - createOutputMix() result:%s", getSLErrStr(result));
goto error;
}
// realize the output mix
result = (*mOutputMixObject)->Realize(mOutputMixObject, SL_BOOLEAN_FALSE);
if (SL_RESULT_SUCCESS != result) {
LOGE("OutputMixerOpenSL() - Realize() mOutputMixObject result:%s", getSLErrStr(result));
goto error;
}
}
return result;
error:
close();
return result;
}
void OutputMixerOpenSL::close() {
std::lock_guard<std::mutex> lock(mLock);
if (--mOpenCount == 0) {
// destroy output mix object, and invalidate all associated interfaces
if (mOutputMixObject != nullptr) {
(*mOutputMixObject)->Destroy(mOutputMixObject);
mOutputMixObject = nullptr;
}
}
}
SLresult OutputMixerOpenSL::createAudioPlayer(SLObjectItf *objectItf,
SLDataSource *audioSource) {
SLDataLocator_OutputMix loc_outmix = {SL_DATALOCATOR_OUTPUTMIX, mOutputMixObject};
SLDataSink audioSink = {&loc_outmix, NULL};
return EngineOpenSLES::getInstance().createAudioPlayer(objectItf, audioSource, &audioSink);
}