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/*
* Copyright (C) 2007 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.
*/
#ifndef SOUNDPOOLTHREAD_H_
#define SOUNDPOOLTHREAD_H_
#include <utils/threads.h>
#include <utils/Vector.h>
#include <media/AudioTrack.h>
#include <media/SoundPool.h>
namespace android {
class SoundPoolMsg {
public:
enum MessageType { INVALID, KILL, LOAD_SAMPLE };
SoundPoolMsg() : mMessageType(INVALID), mData(0) {}
SoundPoolMsg(MessageType MessageType, int data) :
mMessageType(MessageType), mData(data) {}
uint16_t mMessageType;
uint16_t mData;
};
/*
* This class handles background requests from the SoundPool
*/
class SoundPoolThread {
public:
SoundPoolThread(SoundPool* SoundPool);
~SoundPoolThread();
void loadSample(int sampleID);
void quit();
void write(SoundPoolMsg msg);
private:
static const size_t maxMessages = 5;
static int beginThread(void* arg);
int run();
void doLoadSample(int sampleID);
const SoundPoolMsg read();
Mutex mLock;
Condition mCondition;
Vector<SoundPoolMsg> mMsgQueue;
SoundPool* mSoundPool;
bool mRunning;
};
} // end namespace android
#endif /*SOUNDPOOLTHREAD_H_*/
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