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 <utils/List.h> 23 #include <utils/String8.h> 24 25 #include <OMX_Core.h> 26 #include <OMX_Video.h> 27 28 #include "jni.h" 29 30 namespace android { 31 32 class IMemory; 33 class IOMXObserver; 34 class IOMXRenderer; 35 class ISurface; 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 useBuffer( 82 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 83 buffer_id *buffer) = 0; 84 85 // This API clearly only makes sense if the caller lives in the 86 // same process as the callee, i.e. is the media_server, as the 87 // returned "buffer_data" pointer is just that, a pointer into local 88 // address space. 89 virtual status_t allocateBuffer( 90 node_id node, OMX_U32 port_index, size_t size, 91 buffer_id *buffer, void **buffer_data) = 0; 92 93 virtual status_t allocateBufferWithBackup( 94 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 95 buffer_id *buffer) = 0; 96 97 virtual status_t freeBuffer( 98 node_id node, OMX_U32 port_index, buffer_id buffer) = 0; 99 100 virtual status_t fillBuffer(node_id node, buffer_id buffer) = 0; 101 102 virtual status_t emptyBuffer( 103 node_id node, 104 buffer_id buffer, 105 OMX_U32 range_offset, OMX_U32 range_length, 106 OMX_U32 flags, OMX_TICKS timestamp) = 0; 107 108 virtual status_t getExtensionIndex( 109 node_id node, 110 const char *parameter_name, 111 OMX_INDEXTYPE *index) = 0; 112 113 virtual sp<IOMXRenderer> createRenderer( 114 const sp<ISurface> &surface, 115 const char *componentName, 116 OMX_COLOR_FORMATTYPE colorFormat, 117 size_t encodedWidth, size_t encodedHeight, 118 size_t displayWidth, size_t displayHeight) = 0; 119 120 // Note: These methods are _not_ virtual, it exists as a wrapper around 121 // the virtual "createRenderer" method above facilitating extraction 122 // of the ISurface from a regular Surface or a java Surface object. 123 sp<IOMXRenderer> createRenderer( 124 const sp<Surface> &surface, 125 const char *componentName, 126 OMX_COLOR_FORMATTYPE colorFormat, 127 size_t encodedWidth, size_t encodedHeight, 128 size_t displayWidth, size_t displayHeight); 129 130 sp<IOMXRenderer> createRendererFromJavaSurface( 131 JNIEnv *env, jobject javaSurface, 132 const char *componentName, 133 OMX_COLOR_FORMATTYPE colorFormat, 134 size_t encodedWidth, size_t encodedHeight, 135 size_t displayWidth, size_t displayHeight); 136 }; 137 138 struct omx_message { 139 enum { 140 EVENT, 141 EMPTY_BUFFER_DONE, 142 FILL_BUFFER_DONE, 143 144 } type; 145 146 IOMX::node_id node; 147 148 union { 149 // if type == EVENT 150 struct { 151 OMX_EVENTTYPE event; 152 OMX_U32 data1; 153 OMX_U32 data2; 154 } event_data; 155 156 // if type == EMPTY_BUFFER_DONE 157 struct { 158 IOMX::buffer_id buffer; 159 } buffer_data; 160 161 // if type == FILL_BUFFER_DONE 162 struct { 163 IOMX::buffer_id buffer; 164 OMX_U32 range_offset; 165 OMX_U32 range_length; 166 OMX_U32 flags; 167 OMX_TICKS timestamp; 168 OMX_PTR platform_private; 169 OMX_PTR data_ptr; 170 } extended_buffer_data; 171 172 } u; 173 }; 174 175 class IOMXObserver : public IInterface { 176 public: 177 DECLARE_META_INTERFACE(OMXObserver); 178 179 virtual void onMessage(const omx_message &msg) = 0; 180 }; 181 182 class IOMXRenderer : public IInterface { 183 public: 184 DECLARE_META_INTERFACE(OMXRenderer); 185 186 virtual void render(IOMX::buffer_id buffer) = 0; 187 }; 188 189 //////////////////////////////////////////////////////////////////////////////// 190 191 class BnOMX : public BnInterface<IOMX> { 192 public: 193 virtual status_t onTransact( 194 uint32_t code, const Parcel &data, Parcel *reply, 195 uint32_t flags = 0); 196 }; 197 198 class BnOMXObserver : public BnInterface<IOMXObserver> { 199 public: 200 virtual status_t onTransact( 201 uint32_t code, const Parcel &data, Parcel *reply, 202 uint32_t flags = 0); 203 }; 204 205 class BnOMXRenderer : public BnInterface<IOMXRenderer> { 206 public: 207 virtual status_t onTransact( 208 uint32_t code, const Parcel &data, Parcel *reply, 209 uint32_t flags = 0); 210 }; 211 212 } // namespace android 213 214 #endif // ANDROID_IOMX_H_ 215
