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