IOMX.h revision 457116d3a01618acf9a875020ca5860551ba03a6
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 31namespace android { 32 33class IMemory; 34class IOMXObserver; 35class IOMXRenderer; 36class Surface; 37 38class IOMX : public IInterface { 39public: 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 storeMetaDataInBuffers( 82 node_id node, OMX_U32 port_index, OMX_BOOL enable) = 0; 83 84 virtual status_t enableGraphicBuffers( 85 node_id node, OMX_U32 port_index, OMX_BOOL enable) = 0; 86 87 virtual status_t getGraphicBufferUsage( 88 node_id node, OMX_U32 port_index, OMX_U32* usage) = 0; 89 90 virtual status_t useBuffer( 91 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 92 buffer_id *buffer) = 0; 93 94 virtual status_t useGraphicBuffer( 95 node_id node, OMX_U32 port_index, 96 const sp<GraphicBuffer> &graphicBuffer, buffer_id *buffer) = 0; 97 98 // This API clearly only makes sense if the caller lives in the 99 // same process as the callee, i.e. is the media_server, as the 100 // returned "buffer_data" pointer is just that, a pointer into local 101 // address space. 102 virtual status_t allocateBuffer( 103 node_id node, OMX_U32 port_index, size_t size, 104 buffer_id *buffer, void **buffer_data) = 0; 105 106 virtual status_t allocateBufferWithBackup( 107 node_id node, OMX_U32 port_index, const sp<IMemory> ¶ms, 108 buffer_id *buffer) = 0; 109 110 virtual status_t freeBuffer( 111 node_id node, OMX_U32 port_index, buffer_id buffer) = 0; 112 113 virtual status_t fillBuffer(node_id node, buffer_id buffer) = 0; 114 115 virtual status_t emptyBuffer( 116 node_id node, 117 buffer_id buffer, 118 OMX_U32 range_offset, OMX_U32 range_length, 119 OMX_U32 flags, OMX_TICKS timestamp) = 0; 120 121 virtual status_t getExtensionIndex( 122 node_id node, 123 const char *parameter_name, 124 OMX_INDEXTYPE *index) = 0; 125}; 126 127struct omx_message { 128 enum { 129 EVENT, 130 EMPTY_BUFFER_DONE, 131 FILL_BUFFER_DONE, 132 133 } type; 134 135 IOMX::node_id node; 136 137 union { 138 // if type == EVENT 139 struct { 140 OMX_EVENTTYPE event; 141 OMX_U32 data1; 142 OMX_U32 data2; 143 } event_data; 144 145 // if type == EMPTY_BUFFER_DONE 146 struct { 147 IOMX::buffer_id buffer; 148 } buffer_data; 149 150 // if type == FILL_BUFFER_DONE 151 struct { 152 IOMX::buffer_id buffer; 153 OMX_U32 range_offset; 154 OMX_U32 range_length; 155 OMX_U32 flags; 156 OMX_TICKS timestamp; 157 OMX_PTR platform_private; 158 OMX_PTR data_ptr; 159 } extended_buffer_data; 160 161 } u; 162}; 163 164class IOMXObserver : public IInterface { 165public: 166 DECLARE_META_INTERFACE(OMXObserver); 167 168 virtual void onMessage(const omx_message &msg) = 0; 169}; 170 171//////////////////////////////////////////////////////////////////////////////// 172 173class BnOMX : public BnInterface<IOMX> { 174public: 175 virtual status_t onTransact( 176 uint32_t code, const Parcel &data, Parcel *reply, 177 uint32_t flags = 0); 178}; 179 180class BnOMXObserver : public BnInterface<IOMXObserver> { 181public: 182 virtual status_t onTransact( 183 uint32_t code, const Parcel &data, Parcel *reply, 184 uint32_t flags = 0); 185}; 186 187struct CodecProfileLevel { 188 OMX_U32 mProfile; 189 OMX_U32 mLevel; 190}; 191 192} // namespace android 193 194#endif // ANDROID_IOMX_H_ 195