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_Core.h - OpenMax IL version 1.1.2 42 * The OMX_Core header file contains the definitions used by both the 43 * application and the component to access common items. 44 */ 45 46 #ifndef OMX_Core_h 47 #define OMX_Core_h 48 49 #ifdef __cplusplus 50 extern "C" { 51 #endif /* __cplusplus */ 52 53 54 /* Each OMX header shall include all required header files to allow the 55 * header to compile without errors. The includes below are required 56 * for this header file to compile successfully 57 */ 58 59 #include <OMX_Index.h> 60 61 62 /** The OMX_COMMANDTYPE enumeration is used to specify the action in the 63 * OMX_SendCommand macro. 64 * @ingroup core 65 */ 66 typedef enum OMX_COMMANDTYPE 67 { 68 OMX_CommandStateSet, /**< Change the component state */ 69 OMX_CommandFlush, /**< Flush the data queue(s) of a component */ 70 OMX_CommandPortDisable, /**< Disable a port on a component. */ 71 OMX_CommandPortEnable, /**< Enable a port on a component. */ 72 OMX_CommandMarkBuffer, /**< Mark a component/buffer for observation */ 73 OMX_CommandKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 74 OMX_CommandVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 75 OMX_CommandMax = 0X7FFFFFFF 76 } OMX_COMMANDTYPE; 77 78 79 80 /** The OMX_STATETYPE enumeration is used to indicate or change the component 81 * state. This enumeration reflects the current state of the component when 82 * used with the OMX_GetState macro or becomes the parameter in a state change 83 * command when used with the OMX_SendCommand macro. 84 * 85 * The component will be in the Loaded state after the component is initially 86 * loaded into memory. In the Loaded state, the component is not allowed to 87 * allocate or hold resources other than to build it's internal parameter 88 * and configuration tables. The application will send one or more 89 * SetParameters/GetParameters and SetConfig/GetConfig commands to the 90 * component and the component will record each of these parameter and 91 * configuration changes for use later. When the application sends the 92 * Idle command, the component will acquire the resources needed for the 93 * specified configuration and will transition to the idle state if the 94 * allocation is successful. If the component cannot successfully 95 * transition to the idle state for any reason, the state of the component 96 * shall be fully rolled back to the Loaded state (e.g. all allocated 97 * resources shall be released). When the component receives the command 98 * to go to the Executing state, it shall begin processing buffers by 99 * sending all input buffers it holds to the application. While 100 * the component is in the Idle state, the application may also send the 101 * Pause command. If the component receives the pause command while in the 102 * Idle state, the component shall send all input buffers it holds to the 103 * application, but shall not begin processing buffers. This will allow the 104 * application to prefill buffers. 105 * 106 * @ingroup comp 107 */ 108 109 typedef enum OMX_STATETYPE 110 { 111 OMX_StateInvalid, /**< component has detected that it's internal data 112 structures are corrupted to the point that 113 it cannot determine it's state properly */ 114 OMX_StateLoaded, /**< component has been loaded but has not completed 115 initialization. The OMX_SetParameter macro 116 and the OMX_GetParameter macro are the only 117 valid macros allowed to be sent to the 118 component in this state. */ 119 OMX_StateIdle, /**< component initialization has been completed 120 successfully and the component is ready to 121 to start. */ 122 OMX_StateExecuting, /**< component has accepted the start command and 123 is processing data (if data is available) */ 124 OMX_StatePause, /**< component has received pause command */ 125 OMX_StateWaitForResources, /**< component is waiting for resources, either after 126 preemption or before it gets the resources requested. 127 See specification for complete details. */ 128 OMX_StateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 129 OMX_StateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 130 OMX_StateMax = 0X7FFFFFFF 131 } OMX_STATETYPE; 132 133 /** The OMX_ERRORTYPE enumeration defines the standard OMX Errors. These 134 * errors should cover most of the common failure cases. However, 135 * vendors are free to add additional error messages of their own as 136 * long as they follow these rules: 137 * 1. Vendor error messages shall be in the range of 0x90000000 to 138 * 0x9000FFFF. 139 * 2. Vendor error messages shall be defined in a header file provided 140 * with the component. No error messages are allowed that are 141 * not defined. 142 */ 143 typedef enum OMX_ERRORTYPE 144 { 145 OMX_ErrorNone = 0, 146 147 /** There were insufficient resources to perform the requested operation */ 148 OMX_ErrorInsufficientResources = (OMX_S32) 0x80001000, 149 150 /** There was an error, but the cause of the error could not be determined */ 151 OMX_ErrorUndefined = (OMX_S32) 0x80001001, 152 153 /** The component name string was not valid */ 154 OMX_ErrorInvalidComponentName = (OMX_S32) 0x80001002, 155 156 /** No component with the specified name string was found */ 157 OMX_ErrorComponentNotFound = (OMX_S32) 0x80001003, 158 159 /** The component specified did not have a "OMX_ComponentInit" or 160 "OMX_ComponentDeInit entry point */ 161 OMX_ErrorInvalidComponent = (OMX_S32) 0x80001004, 162 163 /** One or more parameters were not valid */ 164 OMX_ErrorBadParameter = (OMX_S32) 0x80001005, 165 166 /** The requested function is not implemented */ 167 OMX_ErrorNotImplemented = (OMX_S32) 0x80001006, 168 169 /** The buffer was emptied before the next buffer was ready */ 170 OMX_ErrorUnderflow = (OMX_S32) 0x80001007, 171 172 /** The buffer was not available when it was needed */ 173 OMX_ErrorOverflow = (OMX_S32) 0x80001008, 174 175 /** The hardware failed to respond as expected */ 176 OMX_ErrorHardware = (OMX_S32) 0x80001009, 177 178 /** The component is in the state OMX_StateInvalid */ 179 OMX_ErrorInvalidState = (OMX_S32) 0x8000100A, 180 181 /** Stream is found to be corrupt */ 182 OMX_ErrorStreamCorrupt = (OMX_S32) 0x8000100B, 183 184 /** Ports being connected are not compatible */ 185 OMX_ErrorPortsNotCompatible = (OMX_S32) 0x8000100C, 186 187 /** Resources allocated to an idle component have been 188 lost resulting in the component returning to the loaded state */ 189 OMX_ErrorResourcesLost = (OMX_S32) 0x8000100D, 190 191 /** No more indicies can be enumerated */ 192 OMX_ErrorNoMore = (OMX_S32) 0x8000100E, 193 194 /** The component detected a version mismatch */ 195 OMX_ErrorVersionMismatch = (OMX_S32) 0x8000100F, 196 197 /** The component is not ready to return data at this time */ 198 OMX_ErrorNotReady = (OMX_S32) 0x80001010, 199 200 /** There was a timeout that occurred */ 201 OMX_ErrorTimeout = (OMX_S32) 0x80001011, 202 203 /** This error occurs when trying to transition into the state you are already in */ 204 OMX_ErrorSameState = (OMX_S32) 0x80001012, 205 206 /** Resources allocated to an executing or paused component have been 207 preempted, causing the component to return to the idle state */ 208 OMX_ErrorResourcesPreempted = (OMX_S32) 0x80001013, 209 210 /** A non-supplier port sends this error to the IL client (via the EventHandler callback) 211 during the allocation of buffers (on a transition from the LOADED to the IDLE state or 212 on a port restart) when it deems that it has waited an unusually long time for the supplier 213 to send it an allocated buffer via a UseBuffer call. */ 214 OMX_ErrorPortUnresponsiveDuringAllocation = (OMX_S32) 0x80001014, 215 216 /** A non-supplier port sends this error to the IL client (via the EventHandler callback) 217 during the deallocation of buffers (on a transition from the IDLE to LOADED state or 218 on a port stop) when it deems that it has waited an unusually long time for the supplier 219 to request the deallocation of a buffer header via a FreeBuffer call. */ 220 OMX_ErrorPortUnresponsiveDuringDeallocation = (OMX_S32) 0x80001015, 221 222 /** A supplier port sends this error to the IL client (via the EventHandler callback) 223 during the stopping of a port (either on a transition from the IDLE to LOADED 224 state or a port stop) when it deems that it has waited an unusually long time for 225 the non-supplier to return a buffer via an EmptyThisBuffer or FillThisBuffer call. */ 226 OMX_ErrorPortUnresponsiveDuringStop = (OMX_S32) 0x80001016, 227 228 /** Attempting a state transtion that is not allowed */ 229 OMX_ErrorIncorrectStateTransition = (OMX_S32) 0x80001017, 230 231 /* Attempting a command that is not allowed during the present state. */ 232 OMX_ErrorIncorrectStateOperation = (OMX_S32) 0x80001018, 233 234 /** The values encapsulated in the parameter or config structure are not supported. */ 235 OMX_ErrorUnsupportedSetting = (OMX_S32) 0x80001019, 236 237 /** The parameter or config indicated by the given index is not supported. */ 238 OMX_ErrorUnsupportedIndex = (OMX_S32) 0x8000101A, 239 240 /** The port index supplied is incorrect. */ 241 OMX_ErrorBadPortIndex = (OMX_S32) 0x8000101B, 242 243 /** The port has lost one or more of its buffers and it thus unpopulated. */ 244 OMX_ErrorPortUnpopulated = (OMX_S32) 0x8000101C, 245 246 /** Component suspended due to temporary loss of resources */ 247 OMX_ErrorComponentSuspended = (OMX_S32) 0x8000101D, 248 249 /** Component suspended due to an inability to acquire dynamic resources */ 250 OMX_ErrorDynamicResourcesUnavailable = (OMX_S32) 0x8000101E, 251 252 /** When the macroblock error reporting is enabled the component returns new error 253 for every frame that has errors */ 254 OMX_ErrorMbErrorsInFrame = (OMX_S32) 0x8000101F, 255 256 /** A component reports this error when it cannot parse or determine the format of an input stream. */ 257 OMX_ErrorFormatNotDetected = (OMX_S32) 0x80001020, 258 259 /** The content open operation failed. */ 260 OMX_ErrorContentPipeOpenFailed = (OMX_S32) 0x80001021, 261 262 /** The content creation operation failed. */ 263 OMX_ErrorContentPipeCreationFailed = (OMX_S32) 0x80001022, 264 265 /** Separate table information is being used */ 266 OMX_ErrorSeperateTablesUsed = (OMX_S32) 0x80001023, 267 268 /** Tunneling is unsupported by the component*/ 269 OMX_ErrorTunnelingUnsupported = (OMX_S32) 0x80001024, 270 271 OMX_ErrorKhronosExtensions = (OMX_S32)0x8F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 272 OMX_ErrorVendorStartUnused = (OMX_S32)0x90000000, /**< Reserved region for introducing Vendor Extensions */ 273 OMX_ErrorMax = 0x7FFFFFFF 274 } OMX_ERRORTYPE; 275 276 /** @ingroup core */ 277 typedef OMX_ERRORTYPE (* OMX_COMPONENTINITTYPE)(OMX_IN OMX_HANDLETYPE hComponent); 278 279 /** @ingroup core */ 280 typedef struct OMX_COMPONENTREGISTERTYPE 281 { 282 const char * pName; /* Component name, 128 byte limit (including '\0') applies */ 283 OMX_COMPONENTINITTYPE pInitialize; /* Component instance initialization function */ 284 } OMX_COMPONENTREGISTERTYPE; 285 286 /** @ingroup core */ 287 extern OMX_COMPONENTREGISTERTYPE OMX_ComponentRegistered[]; 288 289 /** @ingroup rpm */ 290 typedef struct OMX_PRIORITYMGMTTYPE { 291 OMX_U32 nSize; /**< size of the structure in bytes */ 292 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 293 OMX_U32 nGroupPriority; /**< Priority of the component group */ 294 OMX_U32 nGroupID; /**< ID of the component group */ 295 } OMX_PRIORITYMGMTTYPE; 296 297 /* Component name and Role names are limited to 128 characters including the terminating '\0'. */ 298 #define OMX_MAX_STRINGNAME_SIZE 128 299 300 /** @ingroup comp */ 301 typedef struct OMX_PARAM_COMPONENTROLETYPE { 302 OMX_U32 nSize; /**< size of the structure in bytes */ 303 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 304 OMX_U8 cRole[OMX_MAX_STRINGNAME_SIZE]; /**< name of standard component which defines component role */ 305 } OMX_PARAM_COMPONENTROLETYPE; 306 307 /** End of Stream Buffer Flag: 308 * 309 * A component sets EOS when it has no more data to emit on a particular 310 * output port. Thus an output port shall set EOS on the last buffer it 311 * emits. A component's determination of when an output port should 312 * cease sending data is implemenation specific. 313 * @ingroup buf 314 */ 315 316 #define OMX_BUFFERFLAG_EOS 0x00000001 317 318 /** Start Time Buffer Flag: 319 * 320 * The source of a stream (e.g. a demux component) sets the STARTTIME 321 * flag on the buffer that contains the starting timestamp for the 322 * stream. The starting timestamp corresponds to the first data that 323 * should be displayed at startup or after a seek. 324 * The first timestamp of the stream is not necessarily the start time. 325 * For instance, in the case of a seek to a particular video frame, 326 * the target frame may be an interframe. Thus the first buffer of 327 * the stream will be the intra-frame preceding the target frame and 328 * the starttime will occur with the target frame (with any other 329 * required frames required to reconstruct the target intervening). 330 * 331 * The STARTTIME flag is directly associated with the buffer's 332 * timestamp ' thus its association to buffer data and its 333 * propagation is identical to the timestamp's. 334 * 335 * When a Sync Component client receives a buffer with the 336 * STARTTIME flag it shall perform a SetConfig on its sync port 337 * using OMX_ConfigTimeClientStartTime and passing the buffer's 338 * timestamp. 339 * 340 * @ingroup buf 341 */ 342 343 #define OMX_BUFFERFLAG_STARTTIME 0x00000002 344 345 346 347 /** Decode Only Buffer Flag: 348 * 349 * The source of a stream (e.g. a demux component) sets the DECODEONLY 350 * flag on any buffer that should shall be decoded but should not be 351 * displayed. This flag is used, for instance, when a source seeks to 352 * a target interframe that requires the decode of frames preceding the 353 * target to facilitate the target's reconstruction. In this case the 354 * source would emit the frames preceding the target downstream 355 * but mark them as decode only. 356 * 357 * The DECODEONLY is associated with buffer data and propagated in a 358 * manner identical to the buffer timestamp. 359 * 360 * A component that renders data should ignore all buffers with 361 * the DECODEONLY flag set. 362 * 363 * @ingroup buf 364 */ 365 366 #define OMX_BUFFERFLAG_DECODEONLY 0x00000004 367 368 369 /* Data Corrupt Flag: This flag is set when the IL client believes the data in the associated buffer is corrupt 370 * @ingroup buf 371 */ 372 373 #define OMX_BUFFERFLAG_DATACORRUPT 0x00000008 374 375 /* End of Frame: The buffer contains exactly one end of frame and no data 376 * occurs after the end of frame. This flag is an optional hint. The absence 377 * of this flag does not imply the absence of an end of frame within the buffer. 378 * @ingroup buf 379 */ 380 #define OMX_BUFFERFLAG_ENDOFFRAME 0x00000010 381 382 /* Sync Frame Flag: This flag is set when the buffer content contains a coded sync frame ' 383 * a frame that has no dependency on any other frame information 384 * @ingroup buf 385 */ 386 #define OMX_BUFFERFLAG_SYNCFRAME 0x00000020 387 388 /* Extra data present flag: there is extra data appended to the data stream 389 * residing in the buffer 390 * @ingroup buf 391 */ 392 #define OMX_BUFFERFLAG_EXTRADATA 0x00000040 393 394 /** Codec Config Buffer Flag: 395 * OMX_BUFFERFLAG_CODECCONFIG is an optional flag that is set by an 396 * output port when all bytes in the buffer form part or all of a set of 397 * codec specific configuration data. Examples include SPS/PPS nal units 398 * for OMX_VIDEO_CodingAVC or AudioSpecificConfig data for 399 * OMX_AUDIO_CodingAAC. Any component that for a given stream sets 400 * OMX_BUFFERFLAG_CODECCONFIG shall not mix codec configuration bytes 401 * with frame data in the same buffer, and shall send all buffers 402 * containing codec configuration bytes before any buffers containing 403 * frame data that those configurations bytes describe. 404 * If the stream format for a particular codec has a frame specific 405 * header at the start of each frame, for example OMX_AUDIO_CodingMP3 or 406 * OMX_AUDIO_CodingAAC in ADTS mode, then these shall be presented as 407 * normal without setting OMX_BUFFERFLAG_CODECCONFIG. 408 * @ingroup buf 409 */ 410 #define OMX_BUFFERFLAG_CODECCONFIG 0x00000080 411 412 413 414 /** @ingroup buf */ 415 typedef struct OMX_BUFFERHEADERTYPE 416 { 417 OMX_U32 nSize; /**< size of the structure in bytes */ 418 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 419 OMX_U8* pBuffer; /**< Pointer to actual block of memory 420 that is acting as the buffer */ 421 OMX_U32 nAllocLen; /**< size of the buffer allocated, in bytes */ 422 OMX_U32 nFilledLen; /**< number of bytes currently in the 423 buffer */ 424 OMX_U32 nOffset; /**< start offset of valid data in bytes from 425 the start of the buffer */ 426 OMX_PTR pAppPrivate; /**< pointer to any data the application 427 wants to associate with this buffer */ 428 OMX_PTR pPlatformPrivate; /**< pointer to any data the platform 429 wants to associate with this buffer */ 430 OMX_PTR pInputPortPrivate; /**< pointer to any data the input port 431 wants to associate with this buffer */ 432 OMX_PTR pOutputPortPrivate; /**< pointer to any data the output port 433 wants to associate with this buffer */ 434 OMX_HANDLETYPE hMarkTargetComponent; /**< The component that will generate a 435 mark event upon processing this buffer. */ 436 OMX_PTR pMarkData; /**< Application specific data associated with 437 the mark sent on a mark event to disambiguate 438 this mark from others. */ 439 OMX_U32 nTickCount; /**< Optional entry that the component and 440 application can update with a tick count 441 when they access the component. This 442 value should be in microseconds. Since 443 this is a value relative to an arbitrary 444 starting point, this value cannot be used 445 to determine absolute time. This is an 446 optional entry and not all components 447 will update it.*/ 448 OMX_TICKS nTimeStamp; /**< Timestamp corresponding to the sample 449 starting at the first logical sample 450 boundary in the buffer. Timestamps of 451 successive samples within the buffer may 452 be inferred by adding the duration of the 453 of the preceding buffer to the timestamp 454 of the preceding buffer.*/ 455 OMX_U32 nFlags; /**< buffer specific flags */ 456 OMX_U32 nOutputPortIndex; /**< The index of the output port (if any) using 457 this buffer */ 458 OMX_U32 nInputPortIndex; /**< The index of the input port (if any) using 459 this buffer */ 460 } OMX_BUFFERHEADERTYPE; 461 462 /** The OMX_EXTRADATATYPE enumeration is used to define the 463 * possible extra data payload types. 464 * NB: this enum is binary backwards compatible with the previous 465 * OMX_EXTRADATA_QUANT define. This should be replaced with 466 * OMX_ExtraDataQuantization. 467 */ 468 typedef enum OMX_EXTRADATATYPE 469 { 470 OMX_ExtraDataNone = 0, /**< Indicates that no more extra data sections follow */ 471 OMX_ExtraDataQuantization, /**< The data payload contains quantization data */ 472 OMX_ExtraDataKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 473 OMX_ExtraDataVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 474 OMX_ExtraDataMax = 0x7FFFFFFF 475 } OMX_EXTRADATATYPE; 476 477 478 typedef struct OMX_OTHER_EXTRADATATYPE { 479 OMX_U32 nSize; 480 OMX_VERSIONTYPE nVersion; 481 OMX_U32 nPortIndex; 482 OMX_EXTRADATATYPE eType; /* Extra Data type */ 483 OMX_U32 nDataSize; /* Size of the supporting data to follow */ 484 OMX_U8 data[1]; /* Supporting data hint */ 485 } OMX_OTHER_EXTRADATATYPE; 486 487 /** @ingroup comp */ 488 typedef struct OMX_PORT_PARAM_TYPE { 489 OMX_U32 nSize; /**< size of the structure in bytes */ 490 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 491 OMX_U32 nPorts; /**< The number of ports for this component */ 492 OMX_U32 nStartPortNumber; /** first port number for this type of port */ 493 } OMX_PORT_PARAM_TYPE; 494 495 /** @ingroup comp */ 496 typedef enum OMX_EVENTTYPE 497 { 498 OMX_EventCmdComplete, /**< component has sucessfully completed a command */ 499 OMX_EventError, /**< component has detected an error condition */ 500 OMX_EventMark, /**< component has detected a buffer mark */ 501 OMX_EventPortSettingsChanged, /**< component is reported a port settings change */ 502 OMX_EventBufferFlag, /**< component has detected an EOS */ 503 OMX_EventResourcesAcquired, /**< component has been granted resources and is 504 automatically starting the state change from 505 OMX_StateWaitForResources to OMX_StateIdle. */ 506 OMX_EventComponentResumed, /**< Component resumed due to reacquisition of resources */ 507 OMX_EventDynamicResourcesAvailable, /**< Component has acquired previously unavailable dynamic resources */ 508 OMX_EventPortFormatDetected, /**< Component has detected a supported format. */ 509 OMX_EventKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 510 OMX_EventVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 511 512 /** Event when tunneled decoder has rendered an output or reached EOS 513 * nData1 must contain the number of timestamps returned 514 * pEventData must point to an array of the OMX_VIDEO_RENDEREVENTTYPE structs containing the 515 * render-timestamps of each frame. Component may batch rendered timestamps using this event, 516 * but must signal the event no more than 40ms after the first frame in the batch. The frames 517 * must be ordered by system timestamp inside and across batches. 518 * 519 * The component shall signal the render-timestamp of the very first frame (as well as the 520 * first frame after each flush) unbatched (with nData1 set to 1) within 5 msec. 521 * 522 * If component is doing frame-rate conversion, it must signal the render time of each 523 * converted frame, and must interpolate media timestamps for in-between frames. 524 * 525 * When the component reached EOS, it must signal an EOS timestamp using the same mechanism. 526 * This is in addition to the timestamp of the last rendered frame, and should follow that 527 * frame. 528 */ 529 OMX_EventOutputRendered = 0x7F000001, 530 531 /** For framework internal use only: event sent by OMXNodeInstance when it receives a graphic 532 * input buffer with a new dataspace for encoding. |arg1| will contain the dataspace. |arg2| 533 * will contain the ColorAspects requested by the component (or framework defaults) using 534 * the following bitfield layout: 535 * 536 * +----------+-------------+----------------+------------+ 537 * | Range | Primaries | MatrixCoeffs | Transfer | 538 * +----------+-------------+----------------+------------+ 539 * bits: 31....24 23.......16 15...........8 7........0 540 * 541 * TODO: We would really need to tie this to an output buffer, but OMX does not provide a 542 * fool-proof way to do that for video encoders. 543 */ 544 OMX_EventDataSpaceChanged, 545 OMX_EventMax = 0x7FFFFFFF 546 } OMX_EVENTTYPE; 547 548 typedef struct OMX_CALLBACKTYPE 549 { 550 /** The EventHandler method is used to notify the application when an 551 event of interest occurs. Events are defined in the OMX_EVENTTYPE 552 enumeration. Please see that enumeration for details of what will 553 be returned for each type of event. Callbacks should not return 554 an error to the component, so if an error occurs, the application 555 shall handle it internally. This is a blocking call. 556 557 The application should return from this call within 5 msec to avoid 558 blocking the component for an excessively long period of time. 559 560 @param hComponent 561 handle of the component to access. This is the component 562 handle returned by the call to the GetHandle function. 563 @param pAppData 564 pointer to an application defined value that was provided in the 565 pAppData parameter to the OMX_GetHandle method for the component. 566 This application defined value is provided so that the application 567 can have a component specific context when receiving the callback. 568 @param eEvent 569 Event that the component wants to notify the application about. 570 @param nData1 571 nData will be the OMX_ERRORTYPE for an error event and will be 572 an OMX_COMMANDTYPE for a command complete event and OMX_INDEXTYPE for a OMX_PortSettingsChanged event. 573 @param nData2 574 nData2 will hold further information related to the event. Can be OMX_STATETYPE for 575 a OMX_CommandStateSet command or port index for a OMX_PortSettingsChanged event. 576 Default value is 0 if not used. ) 577 @param pEventData 578 Pointer to additional event-specific data (see spec for meaning). 579 */ 580 581 OMX_ERRORTYPE (*EventHandler)( 582 OMX_IN OMX_HANDLETYPE hComponent, 583 OMX_IN OMX_PTR pAppData, 584 OMX_IN OMX_EVENTTYPE eEvent, 585 OMX_IN OMX_U32 nData1, 586 OMX_IN OMX_U32 nData2, 587 OMX_IN OMX_PTR pEventData); 588 589 /** The EmptyBufferDone method is used to return emptied buffers from an 590 input port back to the application for reuse. This is a blocking call 591 so the application should not attempt to refill the buffers during this 592 call, but should queue them and refill them in another thread. There 593 is no error return, so the application shall handle any errors generated 594 internally. 595 596 The application should return from this call within 5 msec. 597 598 @param hComponent 599 handle of the component to access. This is the component 600 handle returned by the call to the GetHandle function. 601 @param pAppData 602 pointer to an application defined value that was provided in the 603 pAppData parameter to the OMX_GetHandle method for the component. 604 This application defined value is provided so that the application 605 can have a component specific context when receiving the callback. 606 @param pBuffer 607 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 608 or AllocateBuffer indicating the buffer that was emptied. 609 @ingroup buf 610 */ 611 OMX_ERRORTYPE (*EmptyBufferDone)( 612 OMX_IN OMX_HANDLETYPE hComponent, 613 OMX_IN OMX_PTR pAppData, 614 OMX_IN OMX_BUFFERHEADERTYPE* pBuffer); 615 616 /** The FillBufferDone method is used to return filled buffers from an 617 output port back to the application for emptying and then reuse. 618 This is a blocking call so the application should not attempt to 619 empty the buffers during this call, but should queue the buffers 620 and empty them in another thread. There is no error return, so 621 the application shall handle any errors generated internally. The 622 application shall also update the buffer header to indicate the 623 number of bytes placed into the buffer. 624 625 The application should return from this call within 5 msec. 626 627 @param hComponent 628 handle of the component to access. This is the component 629 handle returned by the call to the GetHandle function. 630 @param pAppData 631 pointer to an application defined value that was provided in the 632 pAppData parameter to the OMX_GetHandle method for the component. 633 This application defined value is provided so that the application 634 can have a component specific context when receiving the callback. 635 @param pBuffer 636 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 637 or AllocateBuffer indicating the buffer that was filled. 638 @ingroup buf 639 */ 640 OMX_ERRORTYPE (*FillBufferDone)( 641 OMX_OUT OMX_HANDLETYPE hComponent, 642 OMX_OUT OMX_PTR pAppData, 643 OMX_OUT OMX_BUFFERHEADERTYPE* pBuffer); 644 645 } OMX_CALLBACKTYPE; 646 647 /** The OMX_BUFFERSUPPLIERTYPE enumeration is used to dictate port supplier 648 preference when tunneling between two ports. 649 @ingroup tun buf 650 */ 651 typedef enum OMX_BUFFERSUPPLIERTYPE 652 { 653 OMX_BufferSupplyUnspecified = 0x0, /**< port supplying the buffers is unspecified, 654 or don't care */ 655 OMX_BufferSupplyInput, /**< input port supplies the buffers */ 656 OMX_BufferSupplyOutput, /**< output port supplies the buffers */ 657 OMX_BufferSupplyKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 658 OMX_BufferSupplyVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 659 OMX_BufferSupplyMax = 0x7FFFFFFF 660 } OMX_BUFFERSUPPLIERTYPE; 661 662 663 /** buffer supplier parameter 664 * @ingroup tun 665 */ 666 typedef struct OMX_PARAM_BUFFERSUPPLIERTYPE { 667 OMX_U32 nSize; /**< size of the structure in bytes */ 668 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 669 OMX_U32 nPortIndex; /**< port that this structure applies to */ 670 OMX_BUFFERSUPPLIERTYPE eBufferSupplier; /**< buffer supplier */ 671 } OMX_PARAM_BUFFERSUPPLIERTYPE; 672 673 674 /**< indicates that buffers received by an input port of a tunnel 675 may not modify the data in the buffers 676 @ingroup tun 677 */ 678 #define OMX_PORTTUNNELFLAG_READONLY 0x00000001 679 680 681 /** The OMX_TUNNELSETUPTYPE structure is used to pass data from an output 682 port to an input port as part the two ComponentTunnelRequest calls 683 resulting from a OMX_SetupTunnel call from the IL Client. 684 @ingroup tun 685 */ 686 typedef struct OMX_TUNNELSETUPTYPE 687 { 688 OMX_U32 nTunnelFlags; /**< bit flags for tunneling */ 689 OMX_BUFFERSUPPLIERTYPE eSupplier; /**< supplier preference */ 690 } OMX_TUNNELSETUPTYPE; 691 692 /* OMX Component headers is included to enable the core to use 693 macros for functions into the component for OMX release 1.0. 694 Developers should not access any structures or data from within 695 the component header directly */ 696 /* TO BE REMOVED - #include <OMX_Component.h> */ 697 698 /** GetComponentVersion will return information about the component. 699 This is a blocking call. This macro will go directly from the 700 application to the component (via a core macro). The 701 component will return from this call within 5 msec. 702 @param [in] hComponent 703 handle of component to execute the command 704 @param [out] pComponentName 705 pointer to an empty string of length 128 bytes. The component 706 will write its name into this string. The name will be 707 terminated by a single zero byte. The name of a component will 708 be 127 bytes or less to leave room for the trailing zero byte. 709 An example of a valid component name is "OMX.ABC.ChannelMixer\0". 710 @param [out] pComponentVersion 711 pointer to an OMX Version structure that the component will fill 712 in. The component will fill in a value that indicates the 713 component version. NOTE: the component version is NOT the same 714 as the OMX Specification version (found in all structures). The 715 component version is defined by the vendor of the component and 716 its value is entirely up to the component vendor. 717 @param [out] pSpecVersion 718 pointer to an OMX Version structure that the component will fill 719 in. The SpecVersion is the version of the specification that the 720 component was built against. Please note that this value may or 721 may not match the structure's version. For example, if the 722 component was built against the 2.0 specification, but the 723 application (which creates the structure is built against the 724 1.0 specification the versions would be different. 725 @param [out] pComponentUUID 726 pointer to the UUID of the component which will be filled in by 727 the component. The UUID is a unique identifier that is set at 728 RUN time for the component and is unique to each instantion of 729 the component. 730 @return OMX_ERRORTYPE 731 If the command successfully executes, the return code will be 732 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 733 @ingroup comp 734 */ 735 #define OMX_GetComponentVersion( \ 736 hComponent, \ 737 pComponentName, \ 738 pComponentVersion, \ 739 pSpecVersion, \ 740 pComponentUUID) \ 741 ((OMX_COMPONENTTYPE*)(hComponent))->GetComponentVersion(\ 742 hComponent, \ 743 pComponentName, \ 744 pComponentVersion, \ 745 pSpecVersion, \ 746 pComponentUUID) /* Macro End */ 747 748 749 /** Send a command to the component. This call is a non-blocking call. 750 The component should check the parameters and then queue the command 751 to the component thread to be executed. The component thread shall 752 send the EventHandler() callback at the conclusion of the command. 753 This macro will go directly from the application to the component (via 754 a core macro). The component will return from this call within 5 msec. 755 756 When the command is "OMX_CommandStateSet" the component will queue a 757 state transition to the new state idenfied in nParam. 758 759 The component shall transition from executing to loaded state within 500 msec. 760 761 When the command is "OMX_CommandFlush", to flush a port's buffer queues, 762 the command will force the component to return all buffers NOT CURRENTLY 763 BEING PROCESSED to the application, in the order in which the buffers 764 were received. 765 766 The component shall finish flusing each port within 5 msec. 767 768 When the command is "OMX_CommandPortDisable" or 769 "OMX_CommandPortEnable", the component's port (given by the value of 770 nParam) will be stopped or restarted. 771 772 The component shall finish disabling/reenabling each port within 5 msec. 773 774 When the command "OMX_CommandMarkBuffer" is used to mark a buffer, the 775 pCmdData will point to a OMX_MARKTYPE structure containing the component 776 handle of the component to examine the buffer chain for the mark. nParam1 777 contains the index of the port on which the buffer mark is applied. 778 779 Specification text for more details. 780 781 @param [in] hComponent 782 handle of component to execute the command 783 @param [in] Cmd 784 Command for the component to execute 785 @param [in] nParam 786 Parameter for the command to be executed. When Cmd has the value 787 OMX_CommandStateSet, value is a member of OMX_STATETYPE. When Cmd has 788 the value OMX_CommandFlush, value of nParam indicates which port(s) 789 to flush. -1 is used to flush all ports a single port index will 790 only flush that port. When Cmd has the value "OMX_CommandPortDisable" 791 or "OMX_CommandPortEnable", the component's port is given by 792 the value of nParam. When Cmd has the value "OMX_CommandMarkBuffer" 793 the components pot is given by the value of nParam. 794 @param [in] pCmdData 795 Parameter pointing to the OMX_MARKTYPE structure when Cmd has the value 796 "OMX_CommandMarkBuffer". 797 @return OMX_ERRORTYPE 798 If the command successfully executes, the return code will be 799 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 800 @ingroup comp 801 */ 802 #define OMX_SendCommand( \ 803 hComponent, \ 804 Cmd, \ 805 nParam, \ 806 pCmdData) \ 807 ((OMX_COMPONENTTYPE*)(hComponent))->SendCommand( \ 808 hComponent, \ 809 Cmd, \ 810 nParam, \ 811 pCmdData) /* Macro End */ 812 813 814 /** The OMX_GetParameter macro will get one of the current parameter 815 settings from the component. This macro cannot only be invoked when 816 the component is in the OMX_StateInvalid state. The nParamIndex 817 parameter is used to indicate which structure is being requested from 818 the component. The application shall allocate the correct structure 819 and shall fill in the structure size and version information before 820 invoking this macro. When the parameter applies to a port, the 821 caller shall fill in the appropriate nPortIndex value indicating the 822 port on which the parameter applies. If the component has not had 823 any settings changed, then the component should return a set of 824 valid DEFAULT parameters for the component. This is a blocking 825 call. 826 827 The component should return from this call within 20 msec. 828 829 @param [in] hComponent 830 Handle of the component to be accessed. This is the component 831 handle returned by the call to the OMX_GetHandle function. 832 @param [in] nParamIndex 833 Index of the structure to be filled. This value is from the 834 OMX_INDEXTYPE enumeration. 835 @param [in,out] pComponentParameterStructure 836 Pointer to application allocated structure to be filled by the 837 component. 838 @return OMX_ERRORTYPE 839 If the command successfully executes, the return code will be 840 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 841 @ingroup comp 842 */ 843 #define OMX_GetParameter( \ 844 hComponent, \ 845 nParamIndex, \ 846 pComponentParameterStructure) \ 847 ((OMX_COMPONENTTYPE*)(hComponent))->GetParameter( \ 848 hComponent, \ 849 nParamIndex, \ 850 pComponentParameterStructure) /* Macro End */ 851 852 853 /** The OMX_SetParameter macro will send an initialization parameter 854 structure to a component. Each structure shall be sent one at a time, 855 in a separate invocation of the macro. This macro can only be 856 invoked when the component is in the OMX_StateLoaded state, or the 857 port is disabled (when the parameter applies to a port). The 858 nParamIndex parameter is used to indicate which structure is being 859 passed to the component. The application shall allocate the 860 correct structure and shall fill in the structure size and version 861 information (as well as the actual data) before invoking this macro. 862 The application is free to dispose of this structure after the call 863 as the component is required to copy any data it shall retain. This 864 is a blocking call. 865 866 The component should return from this call within 20 msec. 867 868 @param [in] hComponent 869 Handle of the component to be accessed. This is the component 870 handle returned by the call to the OMX_GetHandle function. 871 @param [in] nIndex 872 Index of the structure to be sent. This value is from the 873 OMX_INDEXTYPE enumeration. 874 @param [in] pComponentParameterStructure 875 pointer to application allocated structure to be used for 876 initialization by the component. 877 @return OMX_ERRORTYPE 878 If the command successfully executes, the return code will be 879 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 880 @ingroup comp 881 */ 882 #define OMX_SetParameter( \ 883 hComponent, \ 884 nParamIndex, \ 885 pComponentParameterStructure) \ 886 ((OMX_COMPONENTTYPE*)(hComponent))->SetParameter( \ 887 hComponent, \ 888 nParamIndex, \ 889 pComponentParameterStructure) /* Macro End */ 890 891 892 /** The OMX_GetConfig macro will get one of the configuration structures 893 from a component. This macro can be invoked anytime after the 894 component has been loaded. The nParamIndex call parameter is used to 895 indicate which structure is being requested from the component. The 896 application shall allocate the correct structure and shall fill in the 897 structure size and version information before invoking this macro. 898 If the component has not had this configuration parameter sent before, 899 then the component should return a set of valid DEFAULT values for the 900 component. This is a blocking call. 901 902 The component should return from this call within 5 msec. 903 904 @param [in] hComponent 905 Handle of the component to be accessed. This is the component 906 handle returned by the call to the OMX_GetHandle function. 907 @param [in] nIndex 908 Index of the structure to be filled. This value is from the 909 OMX_INDEXTYPE enumeration. 910 @param [in,out] pComponentConfigStructure 911 pointer to application allocated structure to be filled by the 912 component. 913 @return OMX_ERRORTYPE 914 If the command successfully executes, the return code will be 915 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 916 @ingroup comp 917 */ 918 #define OMX_GetConfig( \ 919 hComponent, \ 920 nConfigIndex, \ 921 pComponentConfigStructure) \ 922 ((OMX_COMPONENTTYPE*)(hComponent))->GetConfig( \ 923 hComponent, \ 924 nConfigIndex, \ 925 pComponentConfigStructure) /* Macro End */ 926 927 928 /** The OMX_SetConfig macro will send one of the configuration 929 structures to a component. Each structure shall be sent one at a time, 930 each in a separate invocation of the macro. This macro can be invoked 931 anytime after the component has been loaded. The application shall 932 allocate the correct structure and shall fill in the structure size 933 and version information (as well as the actual data) before invoking 934 this macro. The application is free to dispose of this structure after 935 the call as the component is required to copy any data it shall retain. 936 This is a blocking call. 937 938 The component should return from this call within 5 msec. 939 940 @param [in] hComponent 941 Handle of the component to be accessed. This is the component 942 handle returned by the call to the OMX_GetHandle function. 943 @param [in] nConfigIndex 944 Index of the structure to be sent. This value is from the 945 OMX_INDEXTYPE enumeration above. 946 @param [in] pComponentConfigStructure 947 pointer to application allocated structure to be used for 948 initialization by the component. 949 @return OMX_ERRORTYPE 950 If the command successfully executes, the return code will be 951 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 952 @ingroup comp 953 */ 954 #define OMX_SetConfig( \ 955 hComponent, \ 956 nConfigIndex, \ 957 pComponentConfigStructure) \ 958 ((OMX_COMPONENTTYPE*)(hComponent))->SetConfig( \ 959 hComponent, \ 960 nConfigIndex, \ 961 pComponentConfigStructure) /* Macro End */ 962 963 964 /** The OMX_GetExtensionIndex macro will invoke a component to translate 965 a vendor specific configuration or parameter string into an OMX 966 structure index. There is no requirement for the vendor to support 967 this command for the indexes already found in the OMX_INDEXTYPE 968 enumeration (this is done to save space in small components). The 969 component shall support all vendor supplied extension indexes not found 970 in the master OMX_INDEXTYPE enumeration. This is a blocking call. 971 972 The component should return from this call within 5 msec. 973 974 @param [in] hComponent 975 Handle of the component to be accessed. This is the component 976 handle returned by the call to the GetHandle function. 977 @param [in] cParameterName 978 OMX_STRING that shall be less than 128 characters long including 979 the trailing null byte. This is the string that will get 980 translated by the component into a configuration index. 981 @param [out] pIndexType 982 a pointer to a OMX_INDEXTYPE to receive the index value. 983 @return OMX_ERRORTYPE 984 If the command successfully executes, the return code will be 985 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 986 @ingroup comp 987 */ 988 #define OMX_GetExtensionIndex( \ 989 hComponent, \ 990 cParameterName, \ 991 pIndexType) \ 992 ((OMX_COMPONENTTYPE*)(hComponent))->GetExtensionIndex( \ 993 hComponent, \ 994 cParameterName, \ 995 pIndexType) /* Macro End */ 996 997 998 /** The OMX_GetState macro will invoke the component to get the current 999 state of the component and place the state value into the location 1000 pointed to by pState. 1001 1002 The component should return from this call within 5 msec. 1003 1004 @param [in] hComponent 1005 Handle of the component to be accessed. This is the component 1006 handle returned by the call to the OMX_GetHandle function. 1007 @param [out] pState 1008 pointer to the location to receive the state. The value returned 1009 is one of the OMX_STATETYPE members 1010 @return OMX_ERRORTYPE 1011 If the command successfully executes, the return code will be 1012 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1013 @ingroup comp 1014 */ 1015 #define OMX_GetState( \ 1016 hComponent, \ 1017 pState) \ 1018 ((OMX_COMPONENTTYPE*)(hComponent))->GetState( \ 1019 hComponent, \ 1020 pState) /* Macro End */ 1021 1022 1023 /** The OMX_UseBuffer macro will request that the component use 1024 a buffer (and allocate its own buffer header) already allocated 1025 by another component, or by the IL Client. This is a blocking 1026 call. 1027 1028 The component should return from this call within 20 msec. 1029 1030 @param [in] hComponent 1031 Handle of the component to be accessed. This is the component 1032 handle returned by the call to the OMX_GetHandle function. 1033 @param [out] ppBuffer 1034 pointer to an OMX_BUFFERHEADERTYPE structure used to receive the 1035 pointer to the buffer header 1036 @return OMX_ERRORTYPE 1037 If the command successfully executes, the return code will be 1038 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1039 @ingroup comp buf 1040 */ 1041 1042 #define OMX_UseBuffer( \ 1043 hComponent, \ 1044 ppBufferHdr, \ 1045 nPortIndex, \ 1046 pAppPrivate, \ 1047 nSizeBytes, \ 1048 pBuffer) \ 1049 ((OMX_COMPONENTTYPE*)(hComponent))->UseBuffer( \ 1050 hComponent, \ 1051 ppBufferHdr, \ 1052 nPortIndex, \ 1053 pAppPrivate, \ 1054 nSizeBytes, \ 1055 pBuffer) 1056 1057 1058 /** The OMX_AllocateBuffer macro will request that the component allocate 1059 a new buffer and buffer header. The component will allocate the 1060 buffer and the buffer header and return a pointer to the buffer 1061 header. This is a blocking call. 1062 1063 The component should return from this call within 5 msec. 1064 1065 @param [in] hComponent 1066 Handle of the component to be accessed. This is the component 1067 handle returned by the call to the OMX_GetHandle function. 1068 @param [out] ppBuffer 1069 pointer to an OMX_BUFFERHEADERTYPE structure used to receive 1070 the pointer to the buffer header 1071 @param [in] nPortIndex 1072 nPortIndex is used to select the port on the component the buffer will 1073 be used with. The port can be found by using the nPortIndex 1074 value as an index into the Port Definition array of the component. 1075 @param [in] pAppPrivate 1076 pAppPrivate is used to initialize the pAppPrivate member of the 1077 buffer header structure. 1078 @param [in] nSizeBytes 1079 size of the buffer to allocate. Used when bAllocateNew is true. 1080 @return OMX_ERRORTYPE 1081 If the command successfully executes, the return code will be 1082 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1083 @ingroup comp buf 1084 */ 1085 #define OMX_AllocateBuffer( \ 1086 hComponent, \ 1087 ppBuffer, \ 1088 nPortIndex, \ 1089 pAppPrivate, \ 1090 nSizeBytes) \ 1091 ((OMX_COMPONENTTYPE*)(hComponent))->AllocateBuffer( \ 1092 hComponent, \ 1093 ppBuffer, \ 1094 nPortIndex, \ 1095 pAppPrivate, \ 1096 nSizeBytes) /* Macro End */ 1097 1098 1099 /** The OMX_FreeBuffer macro will release a buffer header from the component 1100 which was allocated using either OMX_AllocateBuffer or OMX_UseBuffer. If 1101 the component allocated the buffer (see the OMX_UseBuffer macro) then 1102 the component shall free the buffer and buffer header. This is a 1103 blocking call. 1104 1105 The component should return from this call within 20 msec. 1106 1107 @param [in] hComponent 1108 Handle of the component to be accessed. This is the component 1109 handle returned by the call to the OMX_GetHandle function. 1110 @param [in] nPortIndex 1111 nPortIndex is used to select the port on the component the buffer will 1112 be used with. 1113 @param [in] pBuffer 1114 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 1115 or AllocateBuffer. 1116 @return OMX_ERRORTYPE 1117 If the command successfully executes, the return code will be 1118 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1119 @ingroup comp buf 1120 */ 1121 #define OMX_FreeBuffer( \ 1122 hComponent, \ 1123 nPortIndex, \ 1124 pBuffer) \ 1125 ((OMX_COMPONENTTYPE*)(hComponent))->FreeBuffer( \ 1126 hComponent, \ 1127 nPortIndex, \ 1128 pBuffer) /* Macro End */ 1129 1130 1131 /** The OMX_EmptyThisBuffer macro will send a buffer full of data to an 1132 input port of a component. The buffer will be emptied by the component 1133 and returned to the application via the EmptyBufferDone call back. 1134 This is a non-blocking call in that the component will record the buffer 1135 and return immediately and then empty the buffer, later, at the proper 1136 time. As expected, this macro may be invoked only while the component 1137 is in the OMX_StateExecuting. If nPortIndex does not specify an input 1138 port, the component shall return an error. 1139 1140 The component should return from this call within 5 msec. 1141 1142 @param [in] hComponent 1143 Handle of the component to be accessed. This is the component 1144 handle returned by the call to the OMX_GetHandle function. 1145 @param [in] pBuffer 1146 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 1147 or AllocateBuffer. 1148 @return OMX_ERRORTYPE 1149 If the command successfully executes, the return code will be 1150 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1151 @ingroup comp buf 1152 */ 1153 #define OMX_EmptyThisBuffer( \ 1154 hComponent, \ 1155 pBuffer) \ 1156 ((OMX_COMPONENTTYPE*)(hComponent))->EmptyThisBuffer( \ 1157 hComponent, \ 1158 pBuffer) /* Macro End */ 1159 1160 1161 /** The OMX_FillThisBuffer macro will send an empty buffer to an 1162 output port of a component. The buffer will be filled by the component 1163 and returned to the application via the FillBufferDone call back. 1164 This is a non-blocking call in that the component will record the buffer 1165 and return immediately and then fill the buffer, later, at the proper 1166 time. As expected, this macro may be invoked only while the component 1167 is in the OMX_ExecutingState. If nPortIndex does not specify an output 1168 port, the component shall return an error. 1169 1170 The component should return from this call within 5 msec. 1171 1172 @param [in] hComponent 1173 Handle of the component to be accessed. This is the component 1174 handle returned by the call to the OMX_GetHandle function. 1175 @param [in] pBuffer 1176 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 1177 or AllocateBuffer. 1178 @return OMX_ERRORTYPE 1179 If the command successfully executes, the return code will be 1180 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1181 @ingroup comp buf 1182 */ 1183 #define OMX_FillThisBuffer( \ 1184 hComponent, \ 1185 pBuffer) \ 1186 ((OMX_COMPONENTTYPE*)(hComponent))->FillThisBuffer( \ 1187 hComponent, \ 1188 pBuffer) /* Macro End */ 1189 1190 1191 1192 /** The OMX_UseEGLImage macro will request that the component use 1193 a EGLImage provided by EGL (and allocate its own buffer header) 1194 This is a blocking call. 1195 1196 The component should return from this call within 20 msec. 1197 1198 @param [in] hComponent 1199 Handle of the component to be accessed. This is the component 1200 handle returned by the call to the OMX_GetHandle function. 1201 @param [out] ppBuffer 1202 pointer to an OMX_BUFFERHEADERTYPE structure used to receive the 1203 pointer to the buffer header. Note that the memory location used 1204 for this buffer is NOT visible to the IL Client. 1205 @param [in] nPortIndex 1206 nPortIndex is used to select the port on the component the buffer will 1207 be used with. The port can be found by using the nPortIndex 1208 value as an index into the Port Definition array of the component. 1209 @param [in] pAppPrivate 1210 pAppPrivate is used to initialize the pAppPrivate member of the 1211 buffer header structure. 1212 @param [in] eglImage 1213 eglImage contains the handle of the EGLImage to use as a buffer on the 1214 specified port. The component is expected to validate properties of 1215 the EGLImage against the configuration of the port to ensure the component 1216 can use the EGLImage as a buffer. 1217 @return OMX_ERRORTYPE 1218 If the command successfully executes, the return code will be 1219 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1220 @ingroup comp buf 1221 */ 1222 #define OMX_UseEGLImage( \ 1223 hComponent, \ 1224 ppBufferHdr, \ 1225 nPortIndex, \ 1226 pAppPrivate, \ 1227 eglImage) \ 1228 ((OMX_COMPONENTTYPE*)(hComponent))->UseEGLImage( \ 1229 hComponent, \ 1230 ppBufferHdr, \ 1231 nPortIndex, \ 1232 pAppPrivate, \ 1233 eglImage) 1234 1235 /** The OMX_Init method is used to initialize the OMX core. It shall be the 1236 first call made into OMX and it should only be executed one time without 1237 an interviening OMX_Deinit call. 1238 1239 The core should return from this call within 20 msec. 1240 1241 @return OMX_ERRORTYPE 1242 If the command successfully executes, the return code will be 1243 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1244 @ingroup core 1245 */ 1246 OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Init(void); 1247 1248 1249 /** The OMX_Deinit method is used to deinitialize the OMX core. It shall be 1250 the last call made into OMX. In the event that the core determines that 1251 thare are components loaded when this call is made, the core may return 1252 with an error rather than try to unload the components. 1253 1254 The core should return from this call within 20 msec. 1255 1256 @return OMX_ERRORTYPE 1257 If the command successfully executes, the return code will be 1258 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1259 @ingroup core 1260 */ 1261 OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Deinit(void); 1262 1263 1264 /** The OMX_ComponentNameEnum method will enumerate through all the names of 1265 recognised valid components in the system. This function is provided 1266 as a means to detect all the components in the system run-time. There is 1267 no strict ordering to the enumeration order of component names, although 1268 each name will only be enumerated once. If the OMX core supports run-time 1269 installation of new components, it is only requried to detect newly 1270 installed components when the first call to enumerate component names 1271 is made (i.e. when nIndex is 0x0). 1272 1273 The core should return from this call in 20 msec. 1274 1275 @param [out] cComponentName 1276 pointer to a null terminated string with the component name. The 1277 names of the components are strings less than 127 bytes in length 1278 plus the trailing null for a maximum size of 128 bytes. An example 1279 of a valid component name is "OMX.TI.AUDIO.DSP.MIXER\0". Names are 1280 assigned by the vendor, but shall start with "OMX." and then have 1281 the Vendor designation next. 1282 @param [in] nNameLength 1283 number of characters in the cComponentName string. With all 1284 component name strings restricted to less than 128 characters 1285 (including the trailing null) it is recomended that the caller 1286 provide a input string for the cComponentName of 128 characters. 1287 @param [in] nIndex 1288 number containing the enumeration index for the component. 1289 Multiple calls to OMX_ComponentNameEnum with increasing values 1290 of nIndex will enumerate through the component names in the 1291 system until OMX_ErrorNoMore is returned. The value of nIndex 1292 is 0 to (N-1), where N is the number of valid installed components 1293 in the system. 1294 @return OMX_ERRORTYPE 1295 If the command successfully executes, the return code will be 1296 OMX_ErrorNone. When the value of nIndex exceeds the number of 1297 components in the system minus 1, OMX_ErrorNoMore will be 1298 returned. Otherwise the appropriate OMX error will be returned. 1299 @ingroup core 1300 */ 1301 OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_ComponentNameEnum( 1302 OMX_OUT OMX_STRING cComponentName, 1303 OMX_IN OMX_U32 nNameLength, 1304 OMX_IN OMX_U32 nIndex); 1305 1306 1307 /** The OMX_GetHandle method will locate the component specified by the 1308 component name given, load that component into memory and then invoke 1309 the component's methods to create an instance of the component. 1310 1311 The core should return from this call within 20 msec. 1312 1313 @param [out] pHandle 1314 pointer to an OMX_HANDLETYPE pointer to be filled in by this method. 1315 @param [in] cComponentName 1316 pointer to a null terminated string with the component name. The 1317 names of the components are strings less than 127 bytes in length 1318 plus the trailing null for a maximum size of 128 bytes. An example 1319 of a valid component name is "OMX.TI.AUDIO.DSP.MIXER\0". Names are 1320 assigned by the vendor, but shall start with "OMX." and then have 1321 the Vendor designation next. 1322 @param [in] pAppData 1323 pointer to an application defined value that will be returned 1324 during callbacks so that the application can identify the source 1325 of the callback. 1326 @param [in] pCallBacks 1327 pointer to a OMX_CALLBACKTYPE structure that will be passed to the 1328 component to initialize it with. 1329 @return OMX_ERRORTYPE 1330 If the command successfully executes, the return code will be 1331 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1332 @ingroup core 1333 */ 1334 OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_GetHandle( 1335 OMX_OUT OMX_HANDLETYPE* pHandle, 1336 OMX_IN OMX_STRING cComponentName, 1337 OMX_IN OMX_PTR pAppData, 1338 OMX_IN OMX_CALLBACKTYPE* pCallBacks); 1339 1340 1341 /** The OMX_FreeHandle method will free a handle allocated by the OMX_GetHandle 1342 method. If the component reference count goes to zero, the component will 1343 be unloaded from memory. 1344 1345 The core should return from this call within 20 msec when the component is 1346 in the OMX_StateLoaded state. 1347 1348 @param [in] hComponent 1349 Handle of the component to be accessed. This is the component 1350 handle returned by the call to the GetHandle function. 1351 @return OMX_ERRORTYPE 1352 If the command successfully executes, the return code will be 1353 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1354 @ingroup core 1355 */ 1356 OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_FreeHandle( 1357 OMX_IN OMX_HANDLETYPE hComponent); 1358 1359 1360 1361 /** The OMX_SetupTunnel method will handle the necessary calls to the components 1362 to setup the specified tunnel the two components. NOTE: This is 1363 an actual method (not a #define macro). This method will make calls into 1364 the component ComponentTunnelRequest method to do the actual tunnel 1365 connection. 1366 1367 The ComponentTunnelRequest method on both components will be called. 1368 This method shall not be called unless the component is in the 1369 OMX_StateLoaded state except when the ports used for the tunnel are 1370 disabled. In this case, the component may be in the OMX_StateExecuting, 1371 OMX_StatePause, or OMX_StateIdle states. 1372 1373 The core should return from this call within 20 msec. 1374 1375 @param [in] hOutput 1376 Handle of the component to be accessed. Also this is the handle 1377 of the component whose port, specified in the nPortOutput parameter 1378 will be used the source for the tunnel. This is the component handle 1379 returned by the call to the OMX_GetHandle function. There is a 1380 requirement that hOutput be the source for the data when 1381 tunelling (i.e. nPortOutput is an output port). If 0x0, the component 1382 specified in hInput will have it's port specified in nPortInput 1383 setup for communication with the application / IL client. 1384 @param [in] nPortOutput 1385 nPortOutput is used to select the source port on component to be 1386 used in the tunnel. 1387 @param [in] hInput 1388 This is the component to setup the tunnel with. This is the handle 1389 of the component whose port, specified in the nPortInput parameter 1390 will be used the destination for the tunnel. This is the component handle 1391 returned by the call to the OMX_GetHandle function. There is a 1392 requirement that hInput be the destination for the data when 1393 tunelling (i.e. nPortInut is an input port). If 0x0, the component 1394 specified in hOutput will have it's port specified in nPortPOutput 1395 setup for communication with the application / IL client. 1396 @param [in] nPortInput 1397 nPortInput is used to select the destination port on component to be 1398 used in the tunnel. 1399 @return OMX_ERRORTYPE 1400 If the command successfully executes, the return code will be 1401 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1402 When OMX_ErrorNotImplemented is returned, one or both components is 1403 a non-interop component and does not support tunneling. 1404 1405 On failure, the ports of both components are setup for communication 1406 with the application / IL Client. 1407 @ingroup core tun 1408 */ 1409 OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_SetupTunnel( 1410 OMX_IN OMX_HANDLETYPE hOutput, 1411 OMX_IN OMX_U32 nPortOutput, 1412 OMX_IN OMX_HANDLETYPE hInput, 1413 OMX_IN OMX_U32 nPortInput); 1414 1415 /** @ingroup cp */ 1416 OMX_API OMX_ERRORTYPE OMX_GetContentPipe( 1417 OMX_OUT OMX_HANDLETYPE *hPipe, 1418 OMX_IN OMX_STRING szURI); 1419 1420 /** The OMX_GetComponentsOfRole method will return the number of components that support the given 1421 role and (if the compNames field is non-NULL) the names of those components. The call will fail if 1422 an insufficiently sized array of names is supplied. To ensure the array is sufficiently sized the 1423 client should: 1424 * first call this function with the compNames field NULL to determine the number of component names 1425 * second call this function with the compNames field pointing to an array of names allocated 1426 according to the number returned by the first call. 1427 1428 The core should return from this call within 5 msec. 1429 1430 @param [in] role 1431 This is generic standard component name consisting only of component class 1432 name and the type within that class (e.g. 'audio_decoder.aac'). 1433 @param [inout] pNumComps 1434 This is used both as input and output. 1435 1436 If compNames is NULL, the input is ignored and the output specifies how many components support 1437 the given role. 1438 1439 If compNames is not NULL, on input it bounds the size of the input structure and 1440 on output, it specifies the number of components string names listed within the compNames parameter. 1441 @param [inout] compNames 1442 If NULL this field is ignored. If non-NULL this points to an array of 128-byte strings which accepts 1443 a list of the names of all physical components that implement the specified standard component name. 1444 Each name is NULL terminated. numComps indicates the number of names. 1445 @ingroup core 1446 */ 1447 OMX_API OMX_ERRORTYPE OMX_GetComponentsOfRole ( 1448 OMX_IN OMX_STRING role, 1449 OMX_INOUT OMX_U32 *pNumComps, 1450 OMX_INOUT OMX_U8 **compNames); 1451 1452 /** The OMX_GetRolesOfComponent method will return the number of roles supported by the given 1453 component and (if the roles field is non-NULL) the names of those roles. The call will fail if 1454 an insufficiently sized array of names is supplied. To ensure the array is sufficiently sized the 1455 client should: 1456 * first call this function with the roles field NULL to determine the number of role names 1457 * second call this function with the roles field pointing to an array of names allocated 1458 according to the number returned by the first call. 1459 1460 The core should return from this call within 5 msec. 1461 1462 @param [in] compName 1463 This is the name of the component being queried about. 1464 @param [inout] pNumRoles 1465 This is used both as input and output. 1466 1467 If roles is NULL, the input is ignored and the output specifies how many roles the component supports. 1468 1469 If compNames is not NULL, on input it bounds the size of the input structure and 1470 on output, it specifies the number of roles string names listed within the roles parameter. 1471 @param [out] roles 1472 If NULL this field is ignored. If non-NULL this points to an array of 128-byte strings 1473 which accepts a list of the names of all standard components roles implemented on the 1474 specified component name. numComps indicates the number of names. 1475 @ingroup core 1476 */ 1477 OMX_API OMX_ERRORTYPE OMX_GetRolesOfComponent ( 1478 OMX_IN OMX_STRING compName, 1479 OMX_INOUT OMX_U32 *pNumRoles, 1480 OMX_OUT OMX_U8 **roles); 1481 1482 #ifdef __cplusplus 1483 } 1484 #endif /* __cplusplus */ 1485 1486 #endif 1487 /* File EOF */ 1488 1489
