OMXNodeInstance.h revision f0fb96c352f30b812a4903a1d783a715e1e817bd
1/* 2 * Copyright (C) 2009 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 OMX_NODE_INSTANCE_H_ 18 19#define OMX_NODE_INSTANCE_H_ 20 21#include "OMX.h" 22 23#include <utils/RefBase.h> 24#include <utils/threads.h> 25 26namespace android { 27 28class IOMXObserver; 29struct OMXMaster; 30 31struct OMXNodeInstance { 32 OMXNodeInstance( 33 OMX *owner, const sp<IOMXObserver> &observer); 34 35 void setHandle(OMX::node_id node_id, OMX_HANDLETYPE handle); 36 37 OMX *owner(); 38 sp<IOMXObserver> observer(); 39 OMX::node_id nodeID(); 40 41 status_t freeNode(OMXMaster *master); 42 43 status_t sendCommand(OMX_COMMANDTYPE cmd, OMX_S32 param); 44 status_t getParameter(OMX_INDEXTYPE index, void *params, size_t size); 45 46 status_t setParameter( 47 OMX_INDEXTYPE index, const void *params, size_t size); 48 49 status_t getConfig(OMX_INDEXTYPE index, void *params, size_t size); 50 status_t setConfig(OMX_INDEXTYPE index, const void *params, size_t size); 51 52 status_t useBuffer( 53 OMX_U32 portIndex, const sp<IMemory> ¶ms, 54 OMX::buffer_id *buffer); 55 56 status_t allocateBuffer( 57 OMX_U32 portIndex, size_t size, OMX::buffer_id *buffer); 58 59 status_t allocateBufferWithBackup( 60 OMX_U32 portIndex, const sp<IMemory> ¶ms, 61 OMX::buffer_id *buffer); 62 63 status_t freeBuffer(OMX_U32 portIndex, OMX::buffer_id buffer); 64 65 status_t fillBuffer(OMX::buffer_id buffer); 66 67 status_t emptyBuffer( 68 OMX::buffer_id buffer, 69 OMX_U32 rangeOffset, OMX_U32 rangeLength, 70 OMX_U32 flags, OMX_TICKS timestamp); 71 72 status_t getExtensionIndex( 73 const char *parameterName, OMX_INDEXTYPE *index); 74 75 void onMessage(const omx_message &msg); 76 void onObserverDied(OMXMaster *master); 77 void onGetHandleFailed(); 78 79 static OMX_CALLBACKTYPE kCallbacks; 80 81private: 82 Mutex mLock; 83 84 OMX *mOwner; 85 OMX::node_id mNodeID; 86 OMX_HANDLETYPE mHandle; 87 sp<IOMXObserver> mObserver; 88 89 struct ActiveBuffer { 90 OMX_U32 mPortIndex; 91 OMX::buffer_id mID; 92 }; 93 Vector<ActiveBuffer> mActiveBuffers; 94 95 ~OMXNodeInstance(); 96 97 void addActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id); 98 void removeActiveBuffer(OMX_U32 portIndex, OMX::buffer_id id); 99 void freeActiveBuffers(); 100 101 static OMX_ERRORTYPE OnEvent( 102 OMX_IN OMX_HANDLETYPE hComponent, 103 OMX_IN OMX_PTR pAppData, 104 OMX_IN OMX_EVENTTYPE eEvent, 105 OMX_IN OMX_U32 nData1, 106 OMX_IN OMX_U32 nData2, 107 OMX_IN OMX_PTR pEventData); 108 109 static OMX_ERRORTYPE OnEmptyBufferDone( 110 OMX_IN OMX_HANDLETYPE hComponent, 111 OMX_IN OMX_PTR pAppData, 112 OMX_IN OMX_BUFFERHEADERTYPE *pBuffer); 113 114 static OMX_ERRORTYPE OnFillBufferDone( 115 OMX_IN OMX_HANDLETYPE hComponent, 116 OMX_IN OMX_PTR pAppData, 117 OMX_IN OMX_BUFFERHEADERTYPE *pBuffer); 118 119 OMXNodeInstance(const OMXNodeInstance &); 120 OMXNodeInstance &operator=(const OMXNodeInstance &); 121}; 122 123} // namespace android 124 125#endif // OMX_NODE_INSTANCE_H_ 126 127