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_IOMX_H_ 18 19 #define ANDROID_IOMX_H_ 20 21 #include <binder/IInterface.h> 22 #include <gui/IGraphicBufferProducer.h> 23 #include <ui/GraphicBuffer.h> 24 #include <utils/List.h> 25 #include <utils/String8.h> 26 27 #include <OMX_Core.h> 28 #include <OMX_Video.h> 29 30 namespace android { 31 32 class IMemory; 33 class IOMXObserver; 34 class IOMXRenderer; 35 class Surface; 36 37 class IOMX : public IInterface { 38 public: 39 DECLARE_META_INTERFACE(OMX); 40 41 typedef void *buffer_id; 42 typedef void *node_id; 43 44 // Given a node_id and the calling process' pid, returns true iff 45 // the implementation of the OMX interface lives in the same 46 // process. 47 virtual bool livesLocally(node_id node, pid_t pid) = 0; 48 49 struct ComponentInfo { 50 String8 mName; 51 List<String8> mRoles; 52 }; 53 virtual status_t listNodes(List<ComponentInfo> *list) = 0; 54 55 virtual status_t allocateNode( 56 const char *name, const sp<IOMXObserver> &observer, 57 node_id *node) = 0; 58 59 virtual status_t freeNode(node_id node) = 0; 60 61 virtual status_t sendCommand( 62 node_id node, OMX_COMMANDTYPE cmd, OMX_S32 param) = 0; 63 64 virtual status_t getParameter( 65 node_id node, OMX_INDEXTYPE index, 66 void *params, size_t size) = 0; 67 68 virtual status_t setParameter( 69 node_id node, OMX_INDEXTYPE index, 70 const void *params, size_t size) = 0; 71 72 virtual status_t getConfig( 73 node_id node, OMX_INDEXTYPE index, 74 void *params, size_t size) = 0; 75 76 virtual status_t setConfig( 77 node_id node, OMX_INDEXTYPE index, 78 const void *params, size_t size) = 0; 79 80 virtual status_t getState( 81 node_id node, OMX_STATETYPE* state) = 0; 82 83 virtual status_t storeMetaDataInBuffers( 84 node_id node, OMX_U32 port_index, OMX_BOOL enable) = 0; 85 86 virtual status_t enableGraphicBuffers( 87 node_id node, OMX_U32 port_index, OMX_BOOL enable) = 0; 88 89 virtual status_t getGraphicBufferUsage( 90 node_id node, OMX_U32 port_index, OMX_U32* usage) = 0; 91 92 virtual status_t useBuffer( 93 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 94 buffer_id *buffer) = 0; 95 96 virtual status_t useGraphicBuffer( 97 node_id node, OMX_U32 port_index, 98 const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) = 0; 99 100 virtual status_t createInputSurface( 101 node_id node, OMX_U32 port_index, 102 sp<IGraphicBufferProducer> *bufferProducer) = 0; 103 104 virtual status_t signalEndOfInputStream(node_id node) = 0; 105 106 // This API clearly only makes sense if the caller lives in the 107 // same process as the callee, i.e. is the media_server, as the 108 // returned "buffer_data" pointer is just that, a pointer into local 109 // address space. 110 virtual status_t allocateBuffer( 111 node_id node, OMX_U32 port_index, size_t size, 112 buffer_id *buffer, void **buffer_data) = 0; 113 114 virtual status_t allocateBufferWithBackup( 115 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 116 buffer_id *buffer) = 0; 117 118 virtual status_t freeBuffer( 119 node_id node, OMX_U32 port_index, buffer_id buffer) = 0; 120 121 virtual status_t fillBuffer(node_id node, buffer_id buffer) = 0; 122 123 virtual status_t emptyBuffer( 124 node_id node, 125 buffer_id buffer, 126 OMX_U32 range_offset, OMX_U32 range_length, 127 OMX_U32 flags, OMX_TICKS timestamp) = 0; 128 129 virtual status_t getExtensionIndex( 130 node_id node, 131 const char *parameter_name, 132 OMX_INDEXTYPE *index) = 0; 133 }; 134 135 struct omx_message { 136 enum { 137 EVENT, 138 EMPTY_BUFFER_DONE, 139 FILL_BUFFER_DONE, 140 141 } type; 142 143 IOMX::node_id node; 144 145 union { 146 // if type == EVENT 147 struct { 148 OMX_EVENTTYPE event; 149 OMX_U32 data1; 150 OMX_U32 data2; 151 } event_data; 152 153 // if type == EMPTY_BUFFER_DONE 154 struct { 155 IOMX::buffer_id buffer; 156 } buffer_data; 157 158 // if type == FILL_BUFFER_DONE 159 struct { 160 IOMX::buffer_id buffer; 161 OMX_U32 range_offset; 162 OMX_U32 range_length; 163 OMX_U32 flags; 164 OMX_TICKS timestamp; 165 OMX_PTR platform_private; 166 OMX_PTR data_ptr; 167 } extended_buffer_data; 168 169 } u; 170 }; 171 172 class IOMXObserver : public IInterface { 173 public: 174 DECLARE_META_INTERFACE(OMXObserver); 175 176 virtual void onMessage(const omx_message &msg) = 0; 177 }; 178 179 //////////////////////////////////////////////////////////////////////////////// 180 181 class BnOMX : public BnInterface<IOMX> { 182 public: 183 virtual status_t onTransact( 184 uint32_t code, const Parcel &data, Parcel *reply, 185 uint32_t flags = 0); 186 }; 187 188 class BnOMXObserver : public BnInterface<IOMXObserver> { 189 public: 190 virtual status_t onTransact( 191 uint32_t code, const Parcel &data, Parcel *reply, 192 uint32_t flags = 0); 193 }; 194 195 struct CodecProfileLevel { 196 OMX_U32 mProfile; 197 OMX_U32 mLevel; 198 }; 199 200 } // namespace android 201 202 #endif // ANDROID_IOMX_H_ 203
