1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 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 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 /* 19 * Copyright (c) 2008 The Khronos Group Inc. 20 * 21 * Permission is hereby granted, free of charge, to any person obtaining 22 * a copy of this software and associated documentation files (the 23 * "Software"), to deal in the Software without restriction, including 24 * without limitation the rights to use, copy, modify, merge, publish, 25 * distribute, sublicense, and/or sell copies of the Software, and to 26 * permit persons to whom the Software is furnished to do so, subject 27 * to the following conditions: 28 * The above copyright notice and this permission notice shall be included 29 * in all copies or substantial portions of the Software. 30 * 31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 32 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 34 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 35 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 36 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 37 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 38 * 39 */ 40 41 /** OMX_Component.h - OpenMax IL version 1.1.2 42 * The OMX_Component header file contains the definitions used to define 43 * the public interface of a component. This header file is intended to 44 * be used by both the application and the component. 45 */ 46 47 #ifndef OMX_Component_h 48 #define OMX_Component_h 49 50 #ifdef __cplusplus 51 extern "C" { 52 #endif /* __cplusplus */ 53 54 55 56 /* Each OMX header must include all required header files to allow the 57 * header to compile without errors. The includes below are required 58 * for this header file to compile successfully 59 */ 60 61 #include <OMX_Audio.h> 62 #include <OMX_Video.h> 63 #include <OMX_Image.h> 64 #include <OMX_Other.h> 65 66 /** @ingroup comp */ 67 typedef enum OMX_PORTDOMAINTYPE { 68 OMX_PortDomainAudio, 69 OMX_PortDomainVideo, 70 OMX_PortDomainImage, 71 OMX_PortDomainOther, 72 OMX_PortDomainKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 73 OMX_PortDomainVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 74 OMX_PortDomainMax = 0x7ffffff 75 } OMX_PORTDOMAINTYPE; 76 77 /** @ingroup comp */ 78 typedef struct OMX_PARAM_PORTDEFINITIONTYPE { 79 OMX_U32 nSize; /**< Size of the structure in bytes */ 80 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 81 OMX_U32 nPortIndex; /**< Port number the structure applies to */ 82 OMX_DIRTYPE eDir; /**< Direction (input or output) of this port */ 83 OMX_U32 nBufferCountActual; /**< The actual number of buffers allocated on this port */ 84 OMX_U32 nBufferCountMin; /**< The minimum number of buffers this port requires */ 85 OMX_U32 nBufferSize; /**< Size, in bytes, for buffers to be used for this channel */ 86 OMX_BOOL bEnabled; /**< Ports default to enabled and are enabled/disabled by 87 OMX_CommandPortEnable/OMX_CommandPortDisable. 88 When disabled a port is unpopulated. A disabled port 89 is not populated with buffers on a transition to IDLE. */ 90 OMX_BOOL bPopulated; /**< Port is populated with all of its buffers as indicated by 91 nBufferCountActual. A disabled port is always unpopulated. 92 An enabled port is populated on a transition to OMX_StateIdle 93 and unpopulated on a transition to loaded. */ 94 OMX_PORTDOMAINTYPE eDomain; /**< Domain of the port. Determines the contents of metadata below. */ 95 union { 96 OMX_AUDIO_PORTDEFINITIONTYPE audio; 97 OMX_VIDEO_PORTDEFINITIONTYPE video; 98 OMX_IMAGE_PORTDEFINITIONTYPE image; 99 OMX_OTHER_PORTDEFINITIONTYPE other; 100 } format; 101 OMX_BOOL bBuffersContiguous; 102 OMX_U32 nBufferAlignment; 103 } OMX_PARAM_PORTDEFINITIONTYPE; 104 105 /** @ingroup comp */ 106 typedef struct OMX_PARAM_U32TYPE { 107 OMX_U32 nSize; /**< Size of this structure, in Bytes */ 108 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 109 OMX_U32 nPortIndex; /**< port that this structure applies to */ 110 OMX_U32 nU32; /**< U32 value */ 111 } OMX_PARAM_U32TYPE; 112 113 /** @ingroup rpm */ 114 typedef enum OMX_SUSPENSIONPOLICYTYPE { 115 OMX_SuspensionDisabled, /**< No suspension; v1.0 behavior */ 116 OMX_SuspensionEnabled, /**< Suspension allowed */ 117 OMX_SuspensionPolicyKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 118 OMX_SuspensionPolicyStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 119 OMX_SuspensionPolicyMax = 0x7fffffff 120 } OMX_SUSPENSIONPOLICYTYPE; 121 122 /** @ingroup rpm */ 123 typedef struct OMX_PARAM_SUSPENSIONPOLICYTYPE { 124 OMX_U32 nSize; 125 OMX_VERSIONTYPE nVersion; 126 OMX_SUSPENSIONPOLICYTYPE ePolicy; 127 } OMX_PARAM_SUSPENSIONPOLICYTYPE; 128 129 /** @ingroup rpm */ 130 typedef enum OMX_SUSPENSIONTYPE { 131 OMX_NotSuspended, /**< component is not suspended */ 132 OMX_Suspended, /**< component is suspended */ 133 OMX_SuspensionKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 134 OMX_SuspensionVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 135 OMX_SuspendMax = 0x7FFFFFFF 136 } OMX_SUSPENSIONTYPE; 137 138 /** @ingroup rpm */ 139 typedef struct OMX_PARAM_SUSPENSIONTYPE { 140 OMX_U32 nSize; 141 OMX_VERSIONTYPE nVersion; 142 OMX_SUSPENSIONTYPE eType; 143 } OMX_PARAM_SUSPENSIONTYPE ; 144 145 typedef struct OMX_CONFIG_BOOLEANTYPE { 146 OMX_U32 nSize; 147 OMX_VERSIONTYPE nVersion; 148 OMX_BOOL bEnabled; 149 } OMX_CONFIG_BOOLEANTYPE; 150 151 /* Parameter specifying the content uri to use. */ 152 /** @ingroup cp */ 153 typedef struct OMX_PARAM_CONTENTURITYPE 154 { 155 OMX_U32 nSize; /**< size of the structure in bytes, including 156 actual URI name */ 157 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 158 OMX_U8 contentURI[1]; /**< The URI name */ 159 } OMX_PARAM_CONTENTURITYPE; 160 161 /* Parameter specifying the pipe to use. */ 162 /** @ingroup cp */ 163 typedef struct OMX_PARAM_CONTENTPIPETYPE 164 { 165 OMX_U32 nSize; /**< size of the structure in bytes */ 166 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 167 OMX_HANDLETYPE hPipe; /**< The pipe handle*/ 168 } OMX_PARAM_CONTENTPIPETYPE; 169 170 /** @ingroup rpm */ 171 typedef struct OMX_RESOURCECONCEALMENTTYPE { 172 OMX_U32 nSize; /**< size of the structure in bytes */ 173 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 174 OMX_BOOL bResourceConcealmentForbidden; /**< disallow the use of resource concealment 175 methods (like degrading algorithm quality to 176 lower resource consumption or functional bypass) 177 on a component as a resolution to resource conflicts. */ 178 } OMX_RESOURCECONCEALMENTTYPE; 179 180 181 /** @ingroup metadata */ 182 typedef enum OMX_METADATACHARSETTYPE { 183 OMX_MetadataCharsetUnknown = 0, 184 OMX_MetadataCharsetASCII, 185 OMX_MetadataCharsetBinary, 186 OMX_MetadataCharsetCodePage1252, 187 OMX_MetadataCharsetUTF8, 188 OMX_MetadataCharsetJavaConformantUTF8, 189 OMX_MetadataCharsetUTF7, 190 OMX_MetadataCharsetImapUTF7, 191 OMX_MetadataCharsetUTF16LE, 192 OMX_MetadataCharsetUTF16BE, 193 OMX_MetadataCharsetGB12345, 194 OMX_MetadataCharsetHZGB2312, 195 OMX_MetadataCharsetGB2312, 196 OMX_MetadataCharsetGB18030, 197 OMX_MetadataCharsetGBK, 198 OMX_MetadataCharsetBig5, 199 OMX_MetadataCharsetISO88591, 200 OMX_MetadataCharsetISO88592, 201 OMX_MetadataCharsetISO88593, 202 OMX_MetadataCharsetISO88594, 203 OMX_MetadataCharsetISO88595, 204 OMX_MetadataCharsetISO88596, 205 OMX_MetadataCharsetISO88597, 206 OMX_MetadataCharsetISO88598, 207 OMX_MetadataCharsetISO88599, 208 OMX_MetadataCharsetISO885910, 209 OMX_MetadataCharsetISO885913, 210 OMX_MetadataCharsetISO885914, 211 OMX_MetadataCharsetISO885915, 212 OMX_MetadataCharsetShiftJIS, 213 OMX_MetadataCharsetISO2022JP, 214 OMX_MetadataCharsetISO2022JP1, 215 OMX_MetadataCharsetISOEUCJP, 216 OMX_MetadataCharsetSMS7Bit, 217 OMX_MetadataCharsetKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 218 OMX_MetadataCharsetVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 219 OMX_MetadataCharsetTypeMax= 0x7FFFFFFF 220 } OMX_METADATACHARSETTYPE; 221 222 /** @ingroup metadata */ 223 typedef enum OMX_METADATASCOPETYPE 224 { 225 OMX_MetadataScopeAllLevels, 226 OMX_MetadataScopeTopLevel, 227 OMX_MetadataScopePortLevel, 228 OMX_MetadataScopeNodeLevel, 229 OMX_MetadataScopeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 230 OMX_MetadataScopeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 231 OMX_MetadataScopeTypeMax = 0x7fffffff 232 } OMX_METADATASCOPETYPE; 233 234 /** @ingroup metadata */ 235 typedef enum OMX_METADATASEARCHMODETYPE 236 { 237 OMX_MetadataSearchValueSizeByIndex, 238 OMX_MetadataSearchItemByIndex, 239 OMX_MetadataSearchNextItemByKey, 240 OMX_MetadataSearchKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 241 OMX_MetadataSearchVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 242 OMX_MetadataSearchTypeMax = 0x7fffffff 243 } OMX_METADATASEARCHMODETYPE; 244 /** @ingroup metadata */ 245 typedef struct OMX_CONFIG_METADATAITEMCOUNTTYPE 246 { 247 OMX_U32 nSize; 248 OMX_VERSIONTYPE nVersion; 249 OMX_METADATASCOPETYPE eScopeMode; 250 OMX_U32 nScopeSpecifier; 251 OMX_U32 nMetadataItemCount; 252 } OMX_CONFIG_METADATAITEMCOUNTTYPE; 253 254 /** @ingroup metadata */ 255 typedef struct OMX_CONFIG_METADATAITEMTYPE 256 { 257 OMX_U32 nSize; 258 OMX_VERSIONTYPE nVersion; 259 OMX_METADATASCOPETYPE eScopeMode; 260 OMX_U32 nScopeSpecifier; 261 OMX_U32 nMetadataItemIndex; 262 OMX_METADATASEARCHMODETYPE eSearchMode; 263 OMX_METADATACHARSETTYPE eKeyCharset; 264 OMX_U8 nKeySizeUsed; 265 OMX_U8 nKey[128]; 266 OMX_METADATACHARSETTYPE eValueCharset; 267 OMX_STRING sLanguageCountry; 268 OMX_U32 nValueMaxSize; 269 OMX_U32 nValueSizeUsed; 270 OMX_U8 nValue[1]; 271 } OMX_CONFIG_METADATAITEMTYPE; 272 273 /* @ingroup metadata */ 274 typedef struct OMX_CONFIG_CONTAINERNODECOUNTTYPE 275 { 276 OMX_U32 nSize; 277 OMX_VERSIONTYPE nVersion; 278 OMX_BOOL bAllKeys; 279 OMX_U32 nParentNodeID; 280 OMX_U32 nNumNodes; 281 } OMX_CONFIG_CONTAINERNODECOUNTTYPE; 282 283 /** @ingroup metadata */ 284 typedef struct OMX_CONFIG_CONTAINERNODEIDTYPE 285 { 286 OMX_U32 nSize; 287 OMX_VERSIONTYPE nVersion; 288 OMX_BOOL bAllKeys; 289 OMX_U32 nParentNodeID; 290 OMX_U32 nNodeIndex; 291 OMX_U32 nNodeID; 292 OMX_STRING cNodeName; 293 OMX_BOOL bIsLeafType; 294 } OMX_CONFIG_CONTAINERNODEIDTYPE; 295 296 /** @ingroup metadata */ 297 typedef struct OMX_PARAM_METADATAFILTERTYPE 298 { 299 OMX_U32 nSize; 300 OMX_VERSIONTYPE nVersion; 301 OMX_BOOL bAllKeys; /* if true then this structure refers to all keys and 302 * the three key fields below are ignored */ 303 OMX_METADATACHARSETTYPE eKeyCharset; 304 OMX_U32 nKeySizeUsed; 305 OMX_U8 nKey [128]; 306 OMX_U32 nLanguageCountrySizeUsed; 307 OMX_U8 nLanguageCountry[128]; 308 OMX_BOOL bEnabled; /* if true then key is part of filter (e.g. 309 * retained for query later). If false then 310 * key is not part of filter */ 311 } OMX_PARAM_METADATAFILTERTYPE; 312 313 /** The OMX_HANDLETYPE structure defines the component handle. The component 314 * handle is used to access all of the component's public methods and also 315 * contains pointers to the component's private data area. The component 316 * handle is initialized by the OMX core (with help from the component) 317 * during the process of loading the component. After the component is 318 * successfully loaded, the application can safely access any of the 319 * component's public functions (although some may return an error because 320 * the state is inappropriate for the access). 321 * 322 * @ingroup comp 323 */ 324 typedef struct OMX_COMPONENTTYPE 325 { 326 /** The size of this structure, in bytes. It is the responsibility 327 of the allocator of this structure to fill in this value. Since 328 this structure is allocated by the GetHandle function, this 329 function will fill in this value. */ 330 OMX_U32 nSize; 331 332 /** nVersion is the version of the OMX specification that the structure 333 is built against. It is the responsibility of the creator of this 334 structure to initialize this value and every user of this structure 335 should verify that it knows how to use the exact version of 336 this structure found herein. */ 337 OMX_VERSIONTYPE nVersion; 338 339 /** pComponentPrivate is a pointer to the component private data area. 340 This member is allocated and initialized by the component when the 341 component is first loaded. The application should not access this 342 data area. */ 343 OMX_PTR pComponentPrivate; 344 345 /** pApplicationPrivate is a pointer that is a parameter to the 346 OMX_GetHandle method, and contains an application private value 347 provided by the IL client. This application private data is 348 returned to the IL Client by OMX in all callbacks */ 349 OMX_PTR pApplicationPrivate; 350 351 /** refer to OMX_GetComponentVersion in OMX_core.h or the OMX IL 352 specification for details on the GetComponentVersion method. 353 */ 354 OMX_ERRORTYPE (*GetComponentVersion)( 355 OMX_IN OMX_HANDLETYPE hComponent, 356 OMX_OUT OMX_STRING pComponentName, 357 OMX_OUT OMX_VERSIONTYPE* pComponentVersion, 358 OMX_OUT OMX_VERSIONTYPE* pSpecVersion, 359 OMX_OUT OMX_UUIDTYPE* pComponentUUID); 360 361 /** refer to OMX_SendCommand in OMX_core.h or the OMX IL 362 specification for details on the SendCommand method. 363 */ 364 OMX_ERRORTYPE (*SendCommand)( 365 OMX_IN OMX_HANDLETYPE hComponent, 366 OMX_IN OMX_COMMANDTYPE Cmd, 367 OMX_IN OMX_U32 nParam1, 368 OMX_IN OMX_PTR pCmdData); 369 370 /** refer to OMX_GetParameter in OMX_core.h or the OMX IL 371 specification for details on the GetParameter method. 372 */ 373 OMX_ERRORTYPE (*GetParameter)( 374 OMX_IN OMX_HANDLETYPE hComponent, 375 OMX_IN OMX_INDEXTYPE nParamIndex, 376 OMX_INOUT OMX_PTR pComponentParameterStructure); 377 378 379 /** refer to OMX_SetParameter in OMX_core.h or the OMX IL 380 specification for details on the SetParameter method. 381 */ 382 OMX_ERRORTYPE (*SetParameter)( 383 OMX_IN OMX_HANDLETYPE hComponent, 384 OMX_IN OMX_INDEXTYPE nIndex, 385 OMX_IN OMX_PTR pComponentParameterStructure); 386 387 388 /** refer to OMX_GetConfig in OMX_core.h or the OMX IL 389 specification for details on the GetConfig method. 390 */ 391 OMX_ERRORTYPE (*GetConfig)( 392 OMX_IN OMX_HANDLETYPE hComponent, 393 OMX_IN OMX_INDEXTYPE nIndex, 394 OMX_INOUT OMX_PTR pComponentConfigStructure); 395 396 397 /** refer to OMX_SetConfig in OMX_core.h or the OMX IL 398 specification for details on the SetConfig method. 399 */ 400 OMX_ERRORTYPE (*SetConfig)( 401 OMX_IN OMX_HANDLETYPE hComponent, 402 OMX_IN OMX_INDEXTYPE nIndex, 403 OMX_IN OMX_PTR pComponentConfigStructure); 404 405 406 /** refer to OMX_GetExtensionIndex in OMX_core.h or the OMX IL 407 specification for details on the GetExtensionIndex method. 408 */ 409 OMX_ERRORTYPE (*GetExtensionIndex)( 410 OMX_IN OMX_HANDLETYPE hComponent, 411 OMX_IN OMX_STRING cParameterName, 412 OMX_OUT OMX_INDEXTYPE* pIndexType); 413 414 415 /** refer to OMX_GetState in OMX_core.h or the OMX IL 416 specification for details on the GetState method. 417 */ 418 OMX_ERRORTYPE (*GetState)( 419 OMX_IN OMX_HANDLETYPE hComponent, 420 OMX_OUT OMX_STATETYPE* pState); 421 422 423 /** The ComponentTunnelRequest method will interact with another OMX 424 component to determine if tunneling is possible and to setup the 425 tunneling. The return codes for this method can be used to 426 determine if tunneling is not possible, or if tunneling is not 427 supported. 428 429 Base profile components (i.e. non-interop) do not support this 430 method and should return OMX_ErrorNotImplemented 431 432 The interop profile component MUST support tunneling to another 433 interop profile component with a compatible port parameters. 434 A component may also support proprietary communication. 435 436 If proprietary communication is supported the negotiation of 437 proprietary communication is done outside of OMX in a vendor 438 specific way. It is only required that the proper result be 439 returned and the details of how the setup is done is left 440 to the component implementation. 441 442 When this method is invoked when nPort in an output port, the 443 component will: 444 1. Populate the pTunnelSetup structure with the output port's 445 requirements and constraints for the tunnel. 446 447 When this method is invoked when nPort in an input port, the 448 component will: 449 1. Query the necessary parameters from the output port to 450 determine if the ports are compatible for tunneling 451 2. If the ports are compatible, the component should store 452 the tunnel step provided by the output port 453 3. Determine which port (either input or output) is the buffer 454 supplier, and call OMX_SetParameter on the output port to 455 indicate this selection. 456 457 The component will return from this call within 5 msec. 458 459 @param [in] hComp 460 Handle of the component to be accessed. This is the component 461 handle returned by the call to the OMX_GetHandle method. 462 @param [in] nPort 463 nPort is used to select the port on the component to be used 464 for tunneling. 465 @param [in] hTunneledComp 466 Handle of the component to tunnel with. This is the component 467 handle returned by the call to the OMX_GetHandle method. When 468 this parameter is 0x0 the component should setup the port for 469 communication with the application / IL Client. 470 @param [in] nPortOutput 471 nPortOutput is used indicate the port the component should 472 tunnel with. 473 @param [in] pTunnelSetup 474 Pointer to the tunnel setup structure. When nPort is an output port 475 the component should populate the fields of this structure. When 476 When nPort is an input port the component should review the setup 477 provided by the component with the output port. 478 @return OMX_ERRORTYPE 479 If the command successfully executes, the return code will be 480 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 481 @ingroup tun 482 */ 483 484 OMX_ERRORTYPE (*ComponentTunnelRequest)( 485 OMX_IN OMX_HANDLETYPE hComp, 486 OMX_IN OMX_U32 nPort, 487 OMX_IN OMX_HANDLETYPE hTunneledComp, 488 OMX_IN OMX_U32 nTunneledPort, 489 OMX_INOUT OMX_TUNNELSETUPTYPE* pTunnelSetup); 490 491 /** refer to OMX_UseBuffer in OMX_core.h or the OMX IL 492 specification for details on the UseBuffer method. 493 @ingroup buf 494 */ 495 OMX_ERRORTYPE (*UseBuffer)( 496 OMX_IN OMX_HANDLETYPE hComponent, 497 OMX_INOUT OMX_BUFFERHEADERTYPE** ppBufferHdr, 498 OMX_IN OMX_U32 nPortIndex, 499 OMX_IN OMX_PTR pAppPrivate, 500 OMX_IN OMX_U32 nSizeBytes, 501 OMX_IN OMX_U8* pBuffer); 502 503 /** refer to OMX_AllocateBuffer in OMX_core.h or the OMX IL 504 specification for details on the AllocateBuffer method. 505 @ingroup buf 506 */ 507 OMX_ERRORTYPE (*AllocateBuffer)( 508 OMX_IN OMX_HANDLETYPE hComponent, 509 OMX_INOUT OMX_BUFFERHEADERTYPE** ppBuffer, 510 OMX_IN OMX_U32 nPortIndex, 511 OMX_IN OMX_PTR pAppPrivate, 512 OMX_IN OMX_U32 nSizeBytes); 513 514 /** refer to OMX_FreeBuffer in OMX_core.h or the OMX IL 515 specification for details on the FreeBuffer method. 516 @ingroup buf 517 */ 518 OMX_ERRORTYPE (*FreeBuffer)( 519 OMX_IN OMX_HANDLETYPE hComponent, 520 OMX_IN OMX_U32 nPortIndex, 521 OMX_IN OMX_BUFFERHEADERTYPE* pBuffer); 522 523 /** refer to OMX_EmptyThisBuffer in OMX_core.h or the OMX IL 524 specification for details on the EmptyThisBuffer method. 525 @ingroup buf 526 */ 527 OMX_ERRORTYPE (*EmptyThisBuffer)( 528 OMX_IN OMX_HANDLETYPE hComponent, 529 OMX_IN OMX_BUFFERHEADERTYPE* pBuffer); 530 531 /** refer to OMX_FillThisBuffer in OMX_core.h or the OMX IL 532 specification for details on the FillThisBuffer method. 533 @ingroup buf 534 */ 535 OMX_ERRORTYPE (*FillThisBuffer)( 536 OMX_IN OMX_HANDLETYPE hComponent, 537 OMX_IN OMX_BUFFERHEADERTYPE* pBuffer); 538 539 /** The SetCallbacks method is used by the core to specify the callback 540 structure from the application to the component. This is a blocking 541 call. The component will return from this call within 5 msec. 542 @param [in] hComponent 543 Handle of the component to be accessed. This is the component 544 handle returned by the call to the GetHandle function. 545 @param [in] pCallbacks 546 pointer to an OMX_CALLBACKTYPE structure used to provide the 547 callback information to the component 548 @param [in] pAppData 549 pointer to an application defined value. It is anticipated that 550 the application will pass a pointer to a data structure or a "this 551 pointer" in this area to allow the callback (in the application) 552 to determine the context of the call 553 @return OMX_ERRORTYPE 554 If the command successfully executes, the return code will be 555 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 556 */ 557 OMX_ERRORTYPE (*SetCallbacks)( 558 OMX_IN OMX_HANDLETYPE hComponent, 559 OMX_IN OMX_CALLBACKTYPE* pCallbacks, 560 OMX_IN OMX_PTR pAppData); 561 562 /** ComponentDeInit method is used to deinitialize the component 563 providing a means to free any resources allocated at component 564 initialization. NOTE: After this call the component handle is 565 not valid for further use. 566 @param [in] hComponent 567 Handle of the component to be accessed. This is the component 568 handle returned by the call to the GetHandle function. 569 @return OMX_ERRORTYPE 570 If the command successfully executes, the return code will be 571 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 572 */ 573 OMX_ERRORTYPE (*ComponentDeInit)( 574 OMX_IN OMX_HANDLETYPE hComponent); 575 576 /** @ingroup buf */ 577 OMX_ERRORTYPE (*UseEGLImage)( 578 OMX_IN OMX_HANDLETYPE hComponent, 579 OMX_INOUT OMX_BUFFERHEADERTYPE** ppBufferHdr, 580 OMX_IN OMX_U32 nPortIndex, 581 OMX_IN OMX_PTR pAppPrivate, 582 OMX_IN void* eglImage); 583 584 OMX_ERRORTYPE (*ComponentRoleEnum)( 585 OMX_IN OMX_HANDLETYPE hComponent, 586 OMX_OUT OMX_U8 *cRole, 587 OMX_IN OMX_U32 nIndex); 588 589 } OMX_COMPONENTTYPE; 590 591 #ifdef __cplusplus 592 } 593 #endif /* __cplusplus */ 594 595 #endif 596 /* File EOF */ 597
