SoftAAC2.h revision c71a99131ca97bd3bdc5b78473d06e613e96e073
1/* 2 * Copyright (C) 2012 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 SOFT_AAC_2_H_ 18#define SOFT_AAC_2_H_ 19 20#include "SimpleSoftOMXComponent.h" 21 22#include "aacdecoder_lib.h" 23 24namespace android { 25 26struct SoftAAC2 : public SimpleSoftOMXComponent { 27 SoftAAC2(const char *name, 28 const OMX_CALLBACKTYPE *callbacks, 29 OMX_PTR appData, 30 OMX_COMPONENTTYPE **component); 31 32protected: 33 virtual ~SoftAAC2(); 34 35 virtual OMX_ERRORTYPE internalGetParameter( 36 OMX_INDEXTYPE index, OMX_PTR params); 37 38 virtual OMX_ERRORTYPE internalSetParameter( 39 OMX_INDEXTYPE index, const OMX_PTR params); 40 41 virtual void onQueueFilled(OMX_U32 portIndex); 42 virtual void onPortFlushCompleted(OMX_U32 portIndex); 43 virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); 44 virtual void onReset(); 45 46private: 47 enum { 48 kNumInputBuffers = 4, 49 kNumOutputBuffers = 4, 50 }; 51 52 HANDLE_AACDECODER mAACDecoder; 53 CStreamInfo *mStreamInfo; 54 bool mIsADTS; 55 bool mDecoderHasData; 56 size_t mInputBufferCount; 57 bool mSignalledError; 58 bool mSawInputEos; 59 bool mSignalledOutputEos; 60 int64_t mAnchorTimeUs; 61 int64_t mNumSamplesOutput; 62 63 enum { 64 NONE, 65 AWAITING_DISABLED, 66 AWAITING_ENABLED 67 } mOutputPortSettingsChange; 68 69 void initPorts(); 70 status_t initDecoder(); 71 bool isConfigured() const; 72 void maybeConfigureDownmix() const; 73 void drainDecoder(); 74 75 DISALLOW_EVIL_CONSTRUCTORS(SoftAAC2); 76}; 77 78} // namespace android 79 80#endif // SOFT_AAC_2_H_ 81