1/* 2 * Copyright (C) 2010 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 NUPLAYER_STREAM_LISTENER_H_ 18 19#define NUPLAYER_STREAM_LISTENER_H_ 20 21#include "NuPlayer.h" 22 23#include <media/IStreamSource.h> 24 25namespace android { 26 27struct MemoryDealer; 28 29struct NuPlayer::NuPlayerStreamListener : public BnStreamListener { 30 NuPlayerStreamListener( 31 const sp<IStreamSource> &source, 32 ALooper::handler_id targetID); 33 34 virtual void queueBuffer(size_t index, size_t size); 35 36 virtual void issueCommand( 37 Command cmd, bool synchronous, const sp<AMessage> &extra); 38 39 void start(); 40 ssize_t read(void *data, size_t size, sp<AMessage> *extra); 41 42private: 43 enum { 44 kNumBuffers = 8, 45 kBufferSize = 188 * 10 46 }; 47 48 struct QueueEntry { 49 bool mIsCommand; 50 51 size_t mIndex; 52 size_t mSize; 53 size_t mOffset; 54 55 Command mCommand; 56 sp<AMessage> mExtra; 57 }; 58 59 Mutex mLock; 60 61 sp<IStreamSource> mSource; 62 ALooper::handler_id mTargetID; 63 sp<MemoryDealer> mMemoryDealer; 64 Vector<sp<IMemory> > mBuffers; 65 List<QueueEntry> mQueue; 66 bool mEOS; 67 bool mSendDataNotification; 68 69 DISALLOW_EVIL_CONSTRUCTORS(NuPlayerStreamListener); 70}; 71 72} // namespace android 73 74#endif // NUPLAYER_STREAM_LISTENER_H_ 75