OMX.h revision 9f2d258645826c999a93a4206df157fec2e3b0f2
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(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 useBuffer( 63 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 64 buffer_id *buffer); 65 66 virtual status_t allocateBuffer( 67 node_id node, OMX_U32 port_index, size_t size, 68 buffer_id *buffer, void **buffer_data); 69 70 virtual status_t allocateBufferWithBackup( 71 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 72 buffer_id *buffer); 73 74 virtual status_t freeBuffer( 75 node_id node, OMX_U32 port_index, buffer_id buffer); 76 77 virtual status_t fillBuffer(node_id node, buffer_id buffer); 78 79 virtual status_t emptyBuffer( 80 node_id node, 81 buffer_id buffer, 82 OMX_U32 range_offset, OMX_U32 range_length, 83 OMX_U32 flags, OMX_TICKS timestamp); 84 85 virtual status_t getExtensionIndex( 86 node_id node, 87 const char *parameter_name, 88 OMX_INDEXTYPE *index); 89 90 virtual sp<IOMXRenderer> createRenderer( 91 const sp<ISurface> &surface, 92 const char *componentName, 93 OMX_COLOR_FORMATTYPE colorFormat, 94 size_t encodedWidth, size_t encodedHeight, 95 size_t displayWidth, size_t displayHeight); 96 97 virtual void binderDied(const wp<IBinder> &the_late_who); 98 99 OMX_ERRORTYPE OnEvent( 100 node_id node, 101 OMX_IN OMX_EVENTTYPE eEvent, 102 OMX_IN OMX_U32 nData1, 103 OMX_IN OMX_U32 nData2, 104 OMX_IN OMX_PTR pEventData); 105 106 OMX_ERRORTYPE OnEmptyBufferDone( 107 node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer); 108 109 OMX_ERRORTYPE OnFillBufferDone( 110 node_id node, OMX_IN OMX_BUFFERHEADERTYPE *pBuffer); 111 112 void invalidateNodeID(node_id node); 113 114protected: 115 virtual ~OMX(); 116 117private: 118 struct CallbackDispatcher; 119 120 Mutex mLock; 121 OMXMaster *mMaster; 122 int32_t mNodeCounter; 123 124 KeyedVector<wp<IBinder>, OMXNodeInstance *> mLiveNodes; 125 KeyedVector<node_id, OMXNodeInstance *> mNodeIDToInstance; 126 KeyedVector<node_id, sp<CallbackDispatcher> > mDispatchers; 127 128 node_id makeNodeID(OMXNodeInstance *instance); 129 OMXNodeInstance *findInstance(node_id node); 130 sp<CallbackDispatcher> findDispatcher(node_id node); 131 132 void invalidateNodeID_l(node_id node); 133 134 OMX(const OMX &); 135 OMX &operator=(const OMX &); 136}; 137 138} // namespace android 139 140#endif // ANDROID_OMX_H_ 141