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The Android Open Source Project9066cfe2009-03-03 19:31:44 -08001/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
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
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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.
15 */
16
17#ifndef SOUNDPOOLTHREAD_H_
18#define SOUNDPOOLTHREAD_H_
19
20#include <utils/threads.h>
21#include <utils/Vector.h>
22#include <media/AudioTrack.h>
23
24#include "SoundPool.h"
25
26namespace android {
27
28class SoundPoolMsg {
29public:
Dave Sparksf6e43bf2009-12-08 08:10:42 -080030 enum MessageType { INVALID, KILL, LOAD_SAMPLE };
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080031 SoundPoolMsg() : mMessageType(INVALID), mData(0) {}
32 SoundPoolMsg(MessageType MessageType, int data) :
33 mMessageType(MessageType), mData(data) {}
Eric Laurenta60e2122010-12-28 16:49:07 -080034 uint16_t mMessageType;
35 uint16_t mData;
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080036};
37
38/*
39 * This class handles background requests from the SoundPool
40 */
41class SoundPoolThread {
42public:
43 SoundPoolThread(SoundPool* SoundPool);
44 ~SoundPoolThread();
45 void loadSample(int sampleID);
Dave Sparksf6e43bf2009-12-08 08:10:42 -080046 void quit();
47 void write(SoundPoolMsg msg);
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080048
49private:
50 static const size_t maxMessages = 5;
51
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080052 static int beginThread(void* arg);
53 int run();
54 void doLoadSample(int sampleID);
Dave Sparksf6e43bf2009-12-08 08:10:42 -080055 const SoundPoolMsg read();
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080056
Dave Sparksf6e43bf2009-12-08 08:10:42 -080057 Mutex mLock;
58 Condition mCondition;
59 Vector<SoundPoolMsg> mMsgQueue;
60 SoundPool* mSoundPool;
61 bool mRunning;
The Android Open Source Project9066cfe2009-03-03 19:31:44 -080062};
63
64} // end namespace android
65
66#endif /*SOUNDPOOLTHREAD_H_*/