SoftAVC.h revision 0c1bc742181ded4930842b46e9507372f0b1b963
1/* 2 * Copyright (C) 2011 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_AVC_H_ 18 19#define SOFT_AVC_H_ 20 21#include "SimpleSoftOMXComponent.h" 22#include <utils/KeyedVector.h> 23 24#include "H264SwDecApi.h" 25#include "basetype.h" 26 27namespace android { 28 29struct SoftAVC : public SimpleSoftOMXComponent { 30 SoftAVC(const char *name, 31 const OMX_CALLBACKTYPE *callbacks, 32 OMX_PTR appData, 33 OMX_COMPONENTTYPE **component); 34 35protected: 36 virtual ~SoftAVC(); 37 38 virtual OMX_ERRORTYPE internalGetParameter( 39 OMX_INDEXTYPE index, OMX_PTR params); 40 41 virtual OMX_ERRORTYPE internalSetParameter( 42 OMX_INDEXTYPE index, const OMX_PTR params); 43 44 virtual OMX_ERRORTYPE getConfig(OMX_INDEXTYPE index, OMX_PTR params); 45 46 virtual void onQueueFilled(OMX_U32 portIndex); 47 virtual void onPortFlushCompleted(OMX_U32 portIndex); 48 virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); 49 50private: 51 enum { 52 kInputPortIndex = 0, 53 kOutputPortIndex = 1, 54 kNumInputBuffers = 8, 55 kNumOutputBuffers = 16, 56 }; 57 58 enum EOSStatus { 59 INPUT_DATA_AVAILABLE, 60 INPUT_EOS_SEEN, 61 OUTPUT_FRAMES_FLUSHED, 62 }; 63 64 void *mHandle; 65 66 size_t mInputBufferCount; 67 68 uint32_t mWidth, mHeight, mPictureSize; 69 uint32_t mCropLeft, mCropTop; 70 71 uint8_t *mFirstPicture; 72 int32_t mFirstPictureId; 73 74 int32_t mPicId; // Which output picture is for which input buffer? 75 76 // OMX_BUFFERHEADERTYPE may be overkill, but it is convenient 77 // for tracking the following fields: nFlags, nTimeStamp, etc. 78 KeyedVector<int32_t, OMX_BUFFERHEADERTYPE *> mPicToHeaderMap; 79 bool mHeadersDecoded; 80 81 EOSStatus mEOSStatus; 82 83 enum OutputPortSettingChange { 84 NONE, 85 AWAITING_DISABLED, 86 AWAITING_ENABLED 87 }; 88 OutputPortSettingChange mOutputPortSettingsChange; 89 90 void initPorts(); 91 status_t initDecoder(); 92 void updatePortDefinitions(); 93 bool drainAllOutputBuffers(); 94 void drainOneOutputBuffer(int32_t picId, uint8_t *data); 95 void saveFirstOutputBuffer(int32_t pidId, uint8_t *data); 96 bool handleCropRectEvent(const CropParams* crop); 97 bool handlePortSettingChangeEvent(const H264SwDecInfo *info); 98 99 DISALLOW_EVIL_CONSTRUCTORS(SoftAVC); 100}; 101 102} // namespace android 103 104#endif // SOFT_AVC_H_ 105 106