IOMX.h revision e40cda70eec141fa05cbcca1de420fdb22b98be6
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 30namespace android { 31 32class IMemory; 33class IOMXObserver; 34class IOMXRenderer; 35class Surface; 36 37class IOMX : public IInterface { 38public: 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 enum InternalOptionType { 135 INTERNAL_OPTION_SUSPEND, // data is a bool 136 }; 137 virtual status_t setInternalOption( 138 node_id node, 139 OMX_U32 port_index, 140 InternalOptionType type, 141 const void *data, 142 size_t size) = 0; 143}; 144 145struct omx_message { 146 enum { 147 EVENT, 148 EMPTY_BUFFER_DONE, 149 FILL_BUFFER_DONE, 150 151 } type; 152 153 IOMX::node_id node; 154 155 union { 156 // if type == EVENT 157 struct { 158 OMX_EVENTTYPE event; 159 OMX_U32 data1; 160 OMX_U32 data2; 161 } event_data; 162 163 // if type == EMPTY_BUFFER_DONE 164 struct { 165 IOMX::buffer_id buffer; 166 } buffer_data; 167 168 // if type == FILL_BUFFER_DONE 169 struct { 170 IOMX::buffer_id buffer; 171 OMX_U32 range_offset; 172 OMX_U32 range_length; 173 OMX_U32 flags; 174 OMX_TICKS timestamp; 175 OMX_PTR platform_private; 176 OMX_PTR data_ptr; 177 } extended_buffer_data; 178 179 } u; 180}; 181 182class IOMXObserver : public IInterface { 183public: 184 DECLARE_META_INTERFACE(OMXObserver); 185 186 virtual void onMessage(const omx_message &msg) = 0; 187}; 188 189//////////////////////////////////////////////////////////////////////////////// 190 191class BnOMX : public BnInterface<IOMX> { 192public: 193 virtual status_t onTransact( 194 uint32_t code, const Parcel &data, Parcel *reply, 195 uint32_t flags = 0); 196}; 197 198class BnOMXObserver : public BnInterface<IOMXObserver> { 199public: 200 virtual status_t onTransact( 201 uint32_t code, const Parcel &data, Parcel *reply, 202 uint32_t flags = 0); 203}; 204 205struct CodecProfileLevel { 206 OMX_U32 mProfile; 207 OMX_U32 mLevel; 208}; 209 210} // namespace android 211 212#endif // ANDROID_IOMX_H_ 213