2 * Copyright (C) 2007 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef SOUNDPOOLTHREAD_H_
18 #define SOUNDPOOLTHREAD_H_
20 #include <utils/threads.h>
21 #include <utils/Vector.h>
22 #include <media/AudioTrack.h>
24 #include "SoundPool.h"
30 enum MessageType { INVALID, KILL, LOAD_SAMPLE };
31 SoundPoolMsg() : mMessageType(INVALID), mData(0) {}
32 SoundPoolMsg(MessageType MessageType, int data) :
33 mMessageType(MessageType), mData(data) {}
41 * This class handles background requests from the SoundPool
43 class SoundPoolThread {
45 SoundPoolThread(SoundPool* SoundPool);
47 void loadSample(int sampleID);
49 void write(SoundPoolMsg msg);
52 static const size_t maxMessages = 5;
54 static int beginThread(void* arg);
56 void doLoadSample(int sampleID);
57 const SoundPoolMsg read();
61 Vector<SoundPoolMsg> mMsgQueue;
62 SoundPool* mSoundPool;
66 } // end namespace android
68 #endif /*SOUNDPOOLTHREAD_H_*/