OMX.h revision d459b485c61bd3e7fd81c5cd3af8ada27fc3e8d3
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 ANDROID_OMX_H_ 18#define ANDROID_OMX_H_ 19 20#include <media/IOMX.h> 21#include <utils/threads.h> 22#include <utils/KeyedVector.h> 23 24namespace android { 25 26struct OMXMaster; 27class OMXNodeInstance; 28 29class OMX : public BnOMX, 30 public IBinder::DeathRecipient { 31public: 32 OMX(); 33 34 virtual bool livesLocally(node_id node, pid_t pid); 35 36 virtual status_t listNodes(List<ComponentInfo> *list); 37 38 virtual status_t allocateNode( 39 const char *name, const sp<IOMXObserver> &observer, node_id *node); 40 41 virtual status_t freeNode(node_id node); 42 43 virtual status_t sendCommand( 44 node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param); 45 46 virtual status_t getParameter( 47 node_id node, OMX_INDEXTYPE index, 48 void *params, size_t size); 49 50 virtual status_t setParameter( 51 node_id node, OMX_INDEXTYPE index, 52 const void *params, size_t size); 53 54 virtual status_t getConfig( 55 node_id node, OMX_INDEXTYPE index, 56 void *params, size_t size); 57 58 virtual status_t setConfig( 59 node_id node, OMX_INDEXTYPE index, 60 const void *params, size_t size); 61 62 virtual status_t getState( 63 node_id node, OMX_STATETYPE* state); 64 65 virtual status_t enableGraphicBuffers( 66 node_id node, OMX_U32 port_index, OMX_BOOL enable); 67 68 virtual status_t getGraphicBufferUsage( 69 node_id node, OMX_U32 port_index, OMX_U32* usage); 70 71 virtual status_t storeMetaDataInBuffers( 72 node_id node, OMX_U32 port_index, OMX_BOOL enable); 73 74 virtual status_t useBuffer( 75 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 76 buffer_id *buffer); 77 78 virtual status_t useGraphicBuffer( 79 node_id node, OMX_U32 port_index, 80 const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer); 81 82 virtual status_t allocateBuffer( 83 node_id node, OMX_U32 port_index, size_t size, 84 buffer_id *buffer, void **buffer_data); 85 86 virtual status_t allocateBufferWithBackup( 87 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 88 buffer_id *buffer); 89 90 virtual status_t freeBuffer( 91 node_id node, OMX_U32 port_index, buffer_id buffer); 92 93 virtual status_t fillBuffer(node_id node, buffer_id buffer); 94 95 virtual status_t emptyBuffer( 96 node_id node, 97 buffer_id buffer, 98 OMX_U32 range_offset, OMX_U32 range_length, 99 OMX_U32 flags, OMX_TICKS timestamp); 100 101 virtual status_t getExtensionIndex( 102 node_id node, 103 const char *parameter_name, 104 OMX_INDEXTYPE *index); 105 106 virtual void binderDied(const wp<IBinder> &the_late_who); 107 108 OMX_ERRORTYPE OnEvent( 109 node_id node, 110 OMX_IN OMX_EVENTTYPE eEvent, 111 OMX_IN OMX_U32 nData1, 112 OMX_IN OMX_U32 nData2, 113 OMX_IN OMX_PTR pEventData); 114 115 OMX_ERRORTYPE OnEmptyBufferDone( 116 node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer); 117 118 OMX_ERRORTYPE OnFillBufferDone( 119 node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer); 120 121 void invalidateNodeID(node_id node); 122 123protected: 124 virtual ~OMX(); 125 126private: 127 struct CallbackDispatcherThread; 128 struct CallbackDispatcher; 129 130 Mutex mLock; 131 OMXMaster *mMaster; 132 int32_t mNodeCounter; 133 134 KeyedVector<wp<IBinder>, OMXNodeInstance *> mLiveNodes; 135 KeyedVector<node_id, OMXNodeInstance *> mNodeIDToInstance; 136 KeyedVector<node_id, sp<CallbackDispatcher> > mDispatchers; 137 138 node_id makeNodeID(OMXNodeInstance *instance); 139 OMXNodeInstance *findInstance(node_id node); 140 sp<CallbackDispatcher> findDispatcher(node_id node); 141 142 void invalidateNodeID_l(node_id node); 143 144 OMX(const OMX &); 145 OMX &operator=(const OMX &); 146}; 147 148} // namespace android 149 150#endif // ANDROID_OMX_H_ 151