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 50extern "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 */ 66typedef 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 109typedef 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 */ 143typedef 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 */ 277typedef OMX_ERRORTYPE (* OMX_COMPONENTINITTYPE)(OMX_IN OMX_HANDLETYPE hComponent); 278 279/** @ingroup core */ 280typedef 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 */ 287extern OMX_COMPONENTREGISTERTYPE OMX_ComponentRegistered[]; 288 289/** @ingroup rpm */ 290typedef 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 */ 301typedef 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 */ 415typedef 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 */ 468typedef 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 478typedef 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 */ 488typedef 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 */ 496typedef 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 * If component is doing frame-rate conversion, it must signal the render time of each 520 * converted frame, and must interpolate media timestamps for in-between frames. 521 * 522 * When the component reached EOS, it must signal an EOS timestamp using the same mechanism. 523 * This is in addition to the timestamp of the last rendered frame, and should follow that 524 * frame. 525 */ 526 OMX_EventOutputRendered = 0x7F000001, 527 528 /** For framework internal use only: event sent by OMXNodeInstance when it receives a graphic 529 * input buffer with a new dataspace for encoding. |arg1| will contain the dataspace. |arg2| 530 * will contain the ColorAspects requested by the component (or framework defaults) using 531 * the following bitfield layout: 532 * 533 * +----------+-------------+----------------+------------+ 534 * | Range | Primaries | MatrixCoeffs | Transfer | 535 * +----------+-------------+----------------+------------+ 536 * bits: 31....24 23.......16 15...........8 7........0 537 * 538 * TODO: We would really need to tie this to an output buffer, but OMX does not provide a 539 * fool-proof way to do that for video encoders. 540 */ 541 OMX_EventDataSpaceChanged, 542 OMX_EventMax = 0x7FFFFFFF 543} OMX_EVENTTYPE; 544 545typedef struct OMX_CALLBACKTYPE 546{ 547 /** The EventHandler method is used to notify the application when an 548 event of interest occurs. Events are defined in the OMX_EVENTTYPE 549 enumeration. Please see that enumeration for details of what will 550 be returned for each type of event. Callbacks should not return 551 an error to the component, so if an error occurs, the application 552 shall handle it internally. This is a blocking call. 553 554 The application should return from this call within 5 msec to avoid 555 blocking the component for an excessively long period of time. 556 557 @param hComponent 558 handle of the component to access. This is the component 559 handle returned by the call to the GetHandle function. 560 @param pAppData 561 pointer to an application defined value that was provided in the 562 pAppData parameter to the OMX_GetHandle method for the component. 563 This application defined value is provided so that the application 564 can have a component specific context when receiving the callback. 565 @param eEvent 566 Event that the component wants to notify the application about. 567 @param nData1 568 nData will be the OMX_ERRORTYPE for an error event and will be 569 an OMX_COMMANDTYPE for a command complete event and OMX_INDEXTYPE for a OMX_PortSettingsChanged event. 570 @param nData2 571 nData2 will hold further information related to the event. Can be OMX_STATETYPE for 572 a OMX_CommandStateSet command or port index for a OMX_PortSettingsChanged event. 573 Default value is 0 if not used. ) 574 @param pEventData 575 Pointer to additional event-specific data (see spec for meaning). 576 */ 577 578 OMX_ERRORTYPE (*EventHandler)( 579 OMX_IN OMX_HANDLETYPE hComponent, 580 OMX_IN OMX_PTR pAppData, 581 OMX_IN OMX_EVENTTYPE eEvent, 582 OMX_IN OMX_U32 nData1, 583 OMX_IN OMX_U32 nData2, 584 OMX_IN OMX_PTR pEventData); 585 586 /** The EmptyBufferDone method is used to return emptied buffers from an 587 input port back to the application for reuse. This is a blocking call 588 so the application should not attempt to refill the buffers during this 589 call, but should queue them and refill them in another thread. There 590 is no error return, so the application shall handle any errors generated 591 internally. 592 593 The application should return from this call within 5 msec. 594 595 @param hComponent 596 handle of the component to access. This is the component 597 handle returned by the call to the GetHandle function. 598 @param pAppData 599 pointer to an application defined value that was provided in the 600 pAppData parameter to the OMX_GetHandle method for the component. 601 This application defined value is provided so that the application 602 can have a component specific context when receiving the callback. 603 @param pBuffer 604 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 605 or AllocateBuffer indicating the buffer that was emptied. 606 @ingroup buf 607 */ 608 OMX_ERRORTYPE (*EmptyBufferDone)( 609 OMX_IN OMX_HANDLETYPE hComponent, 610 OMX_IN OMX_PTR pAppData, 611 OMX_IN OMX_BUFFERHEADERTYPE* pBuffer); 612 613 /** The FillBufferDone method is used to return filled buffers from an 614 output port back to the application for emptying and then reuse. 615 This is a blocking call so the application should not attempt to 616 empty the buffers during this call, but should queue the buffers 617 and empty them in another thread. There is no error return, so 618 the application shall handle any errors generated internally. The 619 application shall also update the buffer header to indicate the 620 number of bytes placed into the buffer. 621 622 The application should return from this call within 5 msec. 623 624 @param hComponent 625 handle of the component to access. This is the component 626 handle returned by the call to the GetHandle function. 627 @param pAppData 628 pointer to an application defined value that was provided in the 629 pAppData parameter to the OMX_GetHandle method for the component. 630 This application defined value is provided so that the application 631 can have a component specific context when receiving the callback. 632 @param pBuffer 633 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 634 or AllocateBuffer indicating the buffer that was filled. 635 @ingroup buf 636 */ 637 OMX_ERRORTYPE (*FillBufferDone)( 638 OMX_OUT OMX_HANDLETYPE hComponent, 639 OMX_OUT OMX_PTR pAppData, 640 OMX_OUT OMX_BUFFERHEADERTYPE* pBuffer); 641 642} OMX_CALLBACKTYPE; 643 644/** The OMX_BUFFERSUPPLIERTYPE enumeration is used to dictate port supplier 645 preference when tunneling between two ports. 646 @ingroup tun buf 647*/ 648typedef enum OMX_BUFFERSUPPLIERTYPE 649{ 650 OMX_BufferSupplyUnspecified = 0x0, /**< port supplying the buffers is unspecified, 651 or don't care */ 652 OMX_BufferSupplyInput, /**< input port supplies the buffers */ 653 OMX_BufferSupplyOutput, /**< output port supplies the buffers */ 654 OMX_BufferSupplyKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ 655 OMX_BufferSupplyVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ 656 OMX_BufferSupplyMax = 0x7FFFFFFF 657} OMX_BUFFERSUPPLIERTYPE; 658 659 660/** buffer supplier parameter 661 * @ingroup tun 662 */ 663typedef struct OMX_PARAM_BUFFERSUPPLIERTYPE { 664 OMX_U32 nSize; /**< size of the structure in bytes */ 665 OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ 666 OMX_U32 nPortIndex; /**< port that this structure applies to */ 667 OMX_BUFFERSUPPLIERTYPE eBufferSupplier; /**< buffer supplier */ 668} OMX_PARAM_BUFFERSUPPLIERTYPE; 669 670 671/**< indicates that buffers received by an input port of a tunnel 672 may not modify the data in the buffers 673 @ingroup tun 674 */ 675#define OMX_PORTTUNNELFLAG_READONLY 0x00000001 676 677 678/** The OMX_TUNNELSETUPTYPE structure is used to pass data from an output 679 port to an input port as part the two ComponentTunnelRequest calls 680 resulting from a OMX_SetupTunnel call from the IL Client. 681 @ingroup tun 682 */ 683typedef struct OMX_TUNNELSETUPTYPE 684{ 685 OMX_U32 nTunnelFlags; /**< bit flags for tunneling */ 686 OMX_BUFFERSUPPLIERTYPE eSupplier; /**< supplier preference */ 687} OMX_TUNNELSETUPTYPE; 688 689/* OMX Component headers is included to enable the core to use 690 macros for functions into the component for OMX release 1.0. 691 Developers should not access any structures or data from within 692 the component header directly */ 693/* TO BE REMOVED - #include <OMX_Component.h> */ 694 695/** GetComponentVersion will return information about the component. 696 This is a blocking call. This macro will go directly from the 697 application to the component (via a core macro). The 698 component will return from this call within 5 msec. 699 @param [in] hComponent 700 handle of component to execute the command 701 @param [out] pComponentName 702 pointer to an empty string of length 128 bytes. The component 703 will write its name into this string. The name will be 704 terminated by a single zero byte. The name of a component will 705 be 127 bytes or less to leave room for the trailing zero byte. 706 An example of a valid component name is "OMX.ABC.ChannelMixer\0". 707 @param [out] pComponentVersion 708 pointer to an OMX Version structure that the component will fill 709 in. The component will fill in a value that indicates the 710 component version. NOTE: the component version is NOT the same 711 as the OMX Specification version (found in all structures). The 712 component version is defined by the vendor of the component and 713 its value is entirely up to the component vendor. 714 @param [out] pSpecVersion 715 pointer to an OMX Version structure that the component will fill 716 in. The SpecVersion is the version of the specification that the 717 component was built against. Please note that this value may or 718 may not match the structure's version. For example, if the 719 component was built against the 2.0 specification, but the 720 application (which creates the structure is built against the 721 1.0 specification the versions would be different. 722 @param [out] pComponentUUID 723 pointer to the UUID of the component which will be filled in by 724 the component. The UUID is a unique identifier that is set at 725 RUN time for the component and is unique to each instantion of 726 the component. 727 @return OMX_ERRORTYPE 728 If the command successfully executes, the return code will be 729 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 730 @ingroup comp 731 */ 732#define OMX_GetComponentVersion( \ 733 hComponent, \ 734 pComponentName, \ 735 pComponentVersion, \ 736 pSpecVersion, \ 737 pComponentUUID) \ 738 ((OMX_COMPONENTTYPE*)hComponent)->GetComponentVersion( \ 739 hComponent, \ 740 pComponentName, \ 741 pComponentVersion, \ 742 pSpecVersion, \ 743 pComponentUUID) /* Macro End */ 744 745 746/** Send a command to the component. This call is a non-blocking call. 747 The component should check the parameters and then queue the command 748 to the component thread to be executed. The component thread shall 749 send the EventHandler() callback at the conclusion of the command. 750 This macro will go directly from the application to the component (via 751 a core macro). The component will return from this call within 5 msec. 752 753 When the command is "OMX_CommandStateSet" the component will queue a 754 state transition to the new state idenfied in nParam. 755 756 When the command is "OMX_CommandFlush", to flush a port's buffer queues, 757 the command will force the component to return all buffers NOT CURRENTLY 758 BEING PROCESSED to the application, in the order in which the buffers 759 were received. 760 761 When the command is "OMX_CommandPortDisable" or 762 "OMX_CommandPortEnable", the component's port (given by the value of 763 nParam) will be stopped or restarted. 764 765 When the command "OMX_CommandMarkBuffer" is used to mark a buffer, the 766 pCmdData will point to a OMX_MARKTYPE structure containing the component 767 handle of the component to examine the buffer chain for the mark. nParam1 768 contains the index of the port on which the buffer mark is applied. 769 770 Specification text for more details. 771 772 @param [in] hComponent 773 handle of component to execute the command 774 @param [in] Cmd 775 Command for the component to execute 776 @param [in] nParam 777 Parameter for the command to be executed. When Cmd has the value 778 OMX_CommandStateSet, value is a member of OMX_STATETYPE. When Cmd has 779 the value OMX_CommandFlush, value of nParam indicates which port(s) 780 to flush. -1 is used to flush all ports a single port index will 781 only flush that port. When Cmd has the value "OMX_CommandPortDisable" 782 or "OMX_CommandPortEnable", the component's port is given by 783 the value of nParam. When Cmd has the value "OMX_CommandMarkBuffer" 784 the components pot is given by the value of nParam. 785 @param [in] pCmdData 786 Parameter pointing to the OMX_MARKTYPE structure when Cmd has the value 787 "OMX_CommandMarkBuffer". 788 @return OMX_ERRORTYPE 789 If the command successfully executes, the return code will be 790 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 791 @ingroup comp 792 */ 793#define OMX_SendCommand( \ 794 hComponent, \ 795 Cmd, \ 796 nParam, \ 797 pCmdData) \ 798 ((OMX_COMPONENTTYPE*)hComponent)->SendCommand( \ 799 hComponent, \ 800 Cmd, \ 801 nParam, \ 802 pCmdData) /* Macro End */ 803 804 805/** The OMX_GetParameter macro will get one of the current parameter 806 settings from the component. This macro cannot only be invoked when 807 the component is in the OMX_StateInvalid state. The nParamIndex 808 parameter is used to indicate which structure is being requested from 809 the component. The application shall allocate the correct structure 810 and shall fill in the structure size and version information before 811 invoking this macro. When the parameter applies to a port, the 812 caller shall fill in the appropriate nPortIndex value indicating the 813 port on which the parameter applies. If the component has not had 814 any settings changed, then the component should return a set of 815 valid DEFAULT parameters for the component. This is a blocking 816 call. 817 818 The component should return from this call within 20 msec. 819 820 @param [in] hComponent 821 Handle of the component to be accessed. This is the component 822 handle returned by the call to the OMX_GetHandle function. 823 @param [in] nParamIndex 824 Index of the structure to be filled. This value is from the 825 OMX_INDEXTYPE enumeration. 826 @param [in,out] pComponentParameterStructure 827 Pointer to application allocated structure to be filled by the 828 component. 829 @return OMX_ERRORTYPE 830 If the command successfully executes, the return code will be 831 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 832 @ingroup comp 833 */ 834#define OMX_GetParameter( \ 835 hComponent, \ 836 nParamIndex, \ 837 pComponentParameterStructure) \ 838 ((OMX_COMPONENTTYPE*)hComponent)->GetParameter( \ 839 hComponent, \ 840 nParamIndex, \ 841 pComponentParameterStructure) /* Macro End */ 842 843 844/** The OMX_SetParameter macro will send an initialization parameter 845 structure to a component. Each structure shall be sent one at a time, 846 in a separate invocation of the macro. This macro can only be 847 invoked when the component is in the OMX_StateLoaded state, or the 848 port is disabled (when the parameter applies to a port). The 849 nParamIndex parameter is used to indicate which structure is being 850 passed to the component. The application shall allocate the 851 correct structure and shall fill in the structure size and version 852 information (as well as the actual data) before invoking this macro. 853 The application is free to dispose of this structure after the call 854 as the component is required to copy any data it shall retain. This 855 is a blocking call. 856 857 The component should return from this call within 20 msec. 858 859 @param [in] hComponent 860 Handle of the component to be accessed. This is the component 861 handle returned by the call to the OMX_GetHandle function. 862 @param [in] nIndex 863 Index of the structure to be sent. This value is from the 864 OMX_INDEXTYPE enumeration. 865 @param [in] pComponentParameterStructure 866 pointer to application allocated structure to be used for 867 initialization by the component. 868 @return OMX_ERRORTYPE 869 If the command successfully executes, the return code will be 870 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 871 @ingroup comp 872 */ 873#define OMX_SetParameter( \ 874 hComponent, \ 875 nParamIndex, \ 876 pComponentParameterStructure) \ 877 ((OMX_COMPONENTTYPE*)hComponent)->SetParameter( \ 878 hComponent, \ 879 nParamIndex, \ 880 pComponentParameterStructure) /* Macro End */ 881 882 883/** The OMX_GetConfig macro will get one of the configuration structures 884 from a component. This macro can be invoked anytime after the 885 component has been loaded. The nParamIndex call parameter is used to 886 indicate which structure is being requested from the component. The 887 application shall allocate the correct structure and shall fill in the 888 structure size and version information before invoking this macro. 889 If the component has not had this configuration parameter sent before, 890 then the component should return a set of valid DEFAULT values for the 891 component. This is a blocking call. 892 893 The component should return from this call within 5 msec. 894 895 @param [in] hComponent 896 Handle of the component to be accessed. This is the component 897 handle returned by the call to the OMX_GetHandle function. 898 @param [in] nIndex 899 Index of the structure to be filled. This value is from the 900 OMX_INDEXTYPE enumeration. 901 @param [in,out] pComponentConfigStructure 902 pointer to application allocated structure to be filled by the 903 component. 904 @return OMX_ERRORTYPE 905 If the command successfully executes, the return code will be 906 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 907 @ingroup comp 908*/ 909#define OMX_GetConfig( \ 910 hComponent, \ 911 nConfigIndex, \ 912 pComponentConfigStructure) \ 913 ((OMX_COMPONENTTYPE*)hComponent)->GetConfig( \ 914 hComponent, \ 915 nConfigIndex, \ 916 pComponentConfigStructure) /* Macro End */ 917 918 919/** The OMX_SetConfig macro will send one of the configuration 920 structures to a component. Each structure shall be sent one at a time, 921 each in a separate invocation of the macro. This macro can be invoked 922 anytime after the component has been loaded. The application shall 923 allocate the correct structure and shall fill in the structure size 924 and version information (as well as the actual data) before invoking 925 this macro. The application is free to dispose of this structure after 926 the call as the component is required to copy any data it shall retain. 927 This is a blocking call. 928 929 The component should return from this call within 5 msec. 930 931 @param [in] hComponent 932 Handle of the component to be accessed. This is the component 933 handle returned by the call to the OMX_GetHandle function. 934 @param [in] nConfigIndex 935 Index of the structure to be sent. This value is from the 936 OMX_INDEXTYPE enumeration above. 937 @param [in] pComponentConfigStructure 938 pointer to application allocated structure to be used for 939 initialization by the component. 940 @return OMX_ERRORTYPE 941 If the command successfully executes, the return code will be 942 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 943 @ingroup comp 944 */ 945#define OMX_SetConfig( \ 946 hComponent, \ 947 nConfigIndex, \ 948 pComponentConfigStructure) \ 949 ((OMX_COMPONENTTYPE*)hComponent)->SetConfig( \ 950 hComponent, \ 951 nConfigIndex, \ 952 pComponentConfigStructure) /* Macro End */ 953 954 955/** The OMX_GetExtensionIndex macro will invoke a component to translate 956 a vendor specific configuration or parameter string into an OMX 957 structure index. There is no requirement for the vendor to support 958 this command for the indexes already found in the OMX_INDEXTYPE 959 enumeration (this is done to save space in small components). The 960 component shall support all vendor supplied extension indexes not found 961 in the master OMX_INDEXTYPE enumeration. This is a blocking call. 962 963 The component should return from this call within 5 msec. 964 965 @param [in] hComponent 966 Handle of the component to be accessed. This is the component 967 handle returned by the call to the GetHandle function. 968 @param [in] cParameterName 969 OMX_STRING that shall be less than 128 characters long including 970 the trailing null byte. This is the string that will get 971 translated by the component into a configuration index. 972 @param [out] pIndexType 973 a pointer to a OMX_INDEXTYPE to receive the index value. 974 @return OMX_ERRORTYPE 975 If the command successfully executes, the return code will be 976 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 977 @ingroup comp 978 */ 979#define OMX_GetExtensionIndex( \ 980 hComponent, \ 981 cParameterName, \ 982 pIndexType) \ 983 ((OMX_COMPONENTTYPE*)hComponent)->GetExtensionIndex( \ 984 hComponent, \ 985 cParameterName, \ 986 pIndexType) /* Macro End */ 987 988 989/** The OMX_GetState macro will invoke the component to get the current 990 state of the component and place the state value into the location 991 pointed to by pState. 992 993 The component should return from this call within 5 msec. 994 995 @param [in] hComponent 996 Handle of the component to be accessed. This is the component 997 handle returned by the call to the OMX_GetHandle function. 998 @param [out] pState 999 pointer to the location to receive the state. The value returned 1000 is one of the OMX_STATETYPE members 1001 @return OMX_ERRORTYPE 1002 If the command successfully executes, the return code will be 1003 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1004 @ingroup comp 1005 */ 1006#define OMX_GetState( \ 1007 hComponent, \ 1008 pState) \ 1009 ((OMX_COMPONENTTYPE*)hComponent)->GetState( \ 1010 hComponent, \ 1011 pState) /* Macro End */ 1012 1013 1014/** The OMX_UseBuffer macro will request that the component use 1015 a buffer (and allocate its own buffer header) already allocated 1016 by another component, or by the IL Client. This is a blocking 1017 call. 1018 1019 The component should return from this call within 20 msec. 1020 1021 @param [in] hComponent 1022 Handle of the component to be accessed. This is the component 1023 handle returned by the call to the OMX_GetHandle function. 1024 @param [out] ppBuffer 1025 pointer to an OMX_BUFFERHEADERTYPE structure used to receive the 1026 pointer to the buffer header 1027 @return OMX_ERRORTYPE 1028 If the command successfully executes, the return code will be 1029 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1030 @ingroup comp buf 1031 */ 1032 1033#define OMX_UseBuffer( \ 1034 hComponent, \ 1035 ppBufferHdr, \ 1036 nPortIndex, \ 1037 pAppPrivate, \ 1038 nSizeBytes, \ 1039 pBuffer) \ 1040 ((OMX_COMPONENTTYPE*)hComponent)->UseBuffer( \ 1041 hComponent, \ 1042 ppBufferHdr, \ 1043 nPortIndex, \ 1044 pAppPrivate, \ 1045 nSizeBytes, \ 1046 pBuffer) 1047 1048 1049/** The OMX_AllocateBuffer macro will request that the component allocate 1050 a new buffer and buffer header. The component will allocate the 1051 buffer and the buffer header and return a pointer to the buffer 1052 header. This is a blocking call. 1053 1054 The component should return from this call within 5 msec. 1055 1056 @param [in] hComponent 1057 Handle of the component to be accessed. This is the component 1058 handle returned by the call to the OMX_GetHandle function. 1059 @param [out] ppBuffer 1060 pointer to an OMX_BUFFERHEADERTYPE structure used to receive 1061 the pointer to the buffer header 1062 @param [in] nPortIndex 1063 nPortIndex is used to select the port on the component the buffer will 1064 be used with. The port can be found by using the nPortIndex 1065 value as an index into the Port Definition array of the component. 1066 @param [in] pAppPrivate 1067 pAppPrivate is used to initialize the pAppPrivate member of the 1068 buffer header structure. 1069 @param [in] nSizeBytes 1070 size of the buffer to allocate. Used when bAllocateNew is true. 1071 @return OMX_ERRORTYPE 1072 If the command successfully executes, the return code will be 1073 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1074 @ingroup comp buf 1075 */ 1076#define OMX_AllocateBuffer( \ 1077 hComponent, \ 1078 ppBuffer, \ 1079 nPortIndex, \ 1080 pAppPrivate, \ 1081 nSizeBytes) \ 1082 ((OMX_COMPONENTTYPE*)hComponent)->AllocateBuffer( \ 1083 hComponent, \ 1084 ppBuffer, \ 1085 nPortIndex, \ 1086 pAppPrivate, \ 1087 nSizeBytes) /* Macro End */ 1088 1089 1090/** The OMX_FreeBuffer macro will release a buffer header from the component 1091 which was allocated using either OMX_AllocateBuffer or OMX_UseBuffer. If 1092 the component allocated the buffer (see the OMX_UseBuffer macro) then 1093 the component shall free the buffer and buffer header. This is a 1094 blocking call. 1095 1096 The component should return from this call within 20 msec. 1097 1098 @param [in] hComponent 1099 Handle of the component to be accessed. This is the component 1100 handle returned by the call to the OMX_GetHandle function. 1101 @param [in] nPortIndex 1102 nPortIndex is used to select the port on the component the buffer will 1103 be used with. 1104 @param [in] pBuffer 1105 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 1106 or AllocateBuffer. 1107 @return OMX_ERRORTYPE 1108 If the command successfully executes, the return code will be 1109 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1110 @ingroup comp buf 1111 */ 1112#define OMX_FreeBuffer( \ 1113 hComponent, \ 1114 nPortIndex, \ 1115 pBuffer) \ 1116 ((OMX_COMPONENTTYPE*)hComponent)->FreeBuffer( \ 1117 hComponent, \ 1118 nPortIndex, \ 1119 pBuffer) /* Macro End */ 1120 1121 1122/** The OMX_EmptyThisBuffer macro will send a buffer full of data to an 1123 input port of a component. The buffer will be emptied by the component 1124 and returned to the application via the EmptyBufferDone call back. 1125 This is a non-blocking call in that the component will record the buffer 1126 and return immediately and then empty the buffer, later, at the proper 1127 time. As expected, this macro may be invoked only while the component 1128 is in the OMX_StateExecuting. If nPortIndex does not specify an input 1129 port, the component shall return an error. 1130 1131 The component should return from this call within 5 msec. 1132 1133 @param [in] hComponent 1134 Handle of the component to be accessed. This is the component 1135 handle returned by the call to the OMX_GetHandle function. 1136 @param [in] pBuffer 1137 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 1138 or AllocateBuffer. 1139 @return OMX_ERRORTYPE 1140 If the command successfully executes, the return code will be 1141 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1142 @ingroup comp buf 1143 */ 1144#define OMX_EmptyThisBuffer( \ 1145 hComponent, \ 1146 pBuffer) \ 1147 ((OMX_COMPONENTTYPE*)hComponent)->EmptyThisBuffer( \ 1148 hComponent, \ 1149 pBuffer) /* Macro End */ 1150 1151 1152/** The OMX_FillThisBuffer macro will send an empty buffer to an 1153 output port of a component. The buffer will be filled by the component 1154 and returned to the application via the FillBufferDone call back. 1155 This is a non-blocking call in that the component will record the buffer 1156 and return immediately and then fill the buffer, later, at the proper 1157 time. As expected, this macro may be invoked only while the component 1158 is in the OMX_ExecutingState. If nPortIndex does not specify an output 1159 port, the component shall return an error. 1160 1161 The component should return from this call within 5 msec. 1162 1163 @param [in] hComponent 1164 Handle of the component to be accessed. This is the component 1165 handle returned by the call to the OMX_GetHandle function. 1166 @param [in] pBuffer 1167 pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer 1168 or AllocateBuffer. 1169 @return OMX_ERRORTYPE 1170 If the command successfully executes, the return code will be 1171 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1172 @ingroup comp buf 1173 */ 1174#define OMX_FillThisBuffer( \ 1175 hComponent, \ 1176 pBuffer) \ 1177 ((OMX_COMPONENTTYPE*)hComponent)->FillThisBuffer( \ 1178 hComponent, \ 1179 pBuffer) /* Macro End */ 1180 1181 1182 1183/** The OMX_UseEGLImage macro will request that the component use 1184 a EGLImage provided by EGL (and allocate its own buffer header) 1185 This is a blocking call. 1186 1187 The component should return from this call within 20 msec. 1188 1189 @param [in] hComponent 1190 Handle of the component to be accessed. This is the component 1191 handle returned by the call to the OMX_GetHandle function. 1192 @param [out] ppBuffer 1193 pointer to an OMX_BUFFERHEADERTYPE structure used to receive the 1194 pointer to the buffer header. Note that the memory location used 1195 for this buffer is NOT visible to the IL Client. 1196 @param [in] nPortIndex 1197 nPortIndex is used to select the port on the component the buffer will 1198 be used with. The port can be found by using the nPortIndex 1199 value as an index into the Port Definition array of the component. 1200 @param [in] pAppPrivate 1201 pAppPrivate is used to initialize the pAppPrivate member of the 1202 buffer header structure. 1203 @param [in] eglImage 1204 eglImage contains the handle of the EGLImage to use as a buffer on the 1205 specified port. The component is expected to validate properties of 1206 the EGLImage against the configuration of the port to ensure the component 1207 can use the EGLImage as a buffer. 1208 @return OMX_ERRORTYPE 1209 If the command successfully executes, the return code will be 1210 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1211 @ingroup comp buf 1212 */ 1213#define OMX_UseEGLImage( \ 1214 hComponent, \ 1215 ppBufferHdr, \ 1216 nPortIndex, \ 1217 pAppPrivate, \ 1218 eglImage) \ 1219 ((OMX_COMPONENTTYPE*)hComponent)->UseEGLImage( \ 1220 hComponent, \ 1221 ppBufferHdr, \ 1222 nPortIndex, \ 1223 pAppPrivate, \ 1224 eglImage) 1225 1226/** The OMX_Init method is used to initialize the OMX core. It shall be the 1227 first call made into OMX and it should only be executed one time without 1228 an interviening OMX_Deinit call. 1229 1230 The core should return from this call within 20 msec. 1231 1232 @return OMX_ERRORTYPE 1233 If the command successfully executes, the return code will be 1234 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1235 @ingroup core 1236 */ 1237OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Init(void); 1238 1239 1240/** The OMX_Deinit method is used to deinitialize the OMX core. It shall be 1241 the last call made into OMX. In the event that the core determines that 1242 thare are components loaded when this call is made, the core may return 1243 with an error rather than try to unload the components. 1244 1245 The core should return from this call within 20 msec. 1246 1247 @return OMX_ERRORTYPE 1248 If the command successfully executes, the return code will be 1249 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1250 @ingroup core 1251 */ 1252OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Deinit(void); 1253 1254 1255/** The OMX_ComponentNameEnum method will enumerate through all the names of 1256 recognised valid components in the system. This function is provided 1257 as a means to detect all the components in the system run-time. There is 1258 no strict ordering to the enumeration order of component names, although 1259 each name will only be enumerated once. If the OMX core supports run-time 1260 installation of new components, it is only requried to detect newly 1261 installed components when the first call to enumerate component names 1262 is made (i.e. when nIndex is 0x0). 1263 1264 The core should return from this call in 20 msec. 1265 1266 @param [out] cComponentName 1267 pointer to a null terminated string with the component name. The 1268 names of the components are strings less than 127 bytes in length 1269 plus the trailing null for a maximum size of 128 bytes. An example 1270 of a valid component name is "OMX.TI.AUDIO.DSP.MIXER\0". Names are 1271 assigned by the vendor, but shall start with "OMX." and then have 1272 the Vendor designation next. 1273 @param [in] nNameLength 1274 number of characters in the cComponentName string. With all 1275 component name strings restricted to less than 128 characters 1276 (including the trailing null) it is recomended that the caller 1277 provide a input string for the cComponentName of 128 characters. 1278 @param [in] nIndex 1279 number containing the enumeration index for the component. 1280 Multiple calls to OMX_ComponentNameEnum with increasing values 1281 of nIndex will enumerate through the component names in the 1282 system until OMX_ErrorNoMore is returned. The value of nIndex 1283 is 0 to (N-1), where N is the number of valid installed components 1284 in the system. 1285 @return OMX_ERRORTYPE 1286 If the command successfully executes, the return code will be 1287 OMX_ErrorNone. When the value of nIndex exceeds the number of 1288 components in the system minus 1, OMX_ErrorNoMore will be 1289 returned. Otherwise the appropriate OMX error will be returned. 1290 @ingroup core 1291 */ 1292OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_ComponentNameEnum( 1293 OMX_OUT OMX_STRING cComponentName, 1294 OMX_IN OMX_U32 nNameLength, 1295 OMX_IN OMX_U32 nIndex); 1296 1297 1298/** The OMX_GetHandle method will locate the component specified by the 1299 component name given, load that component into memory and then invoke 1300 the component's methods to create an instance of the component. 1301 1302 The core should return from this call within 20 msec. 1303 1304 @param [out] pHandle 1305 pointer to an OMX_HANDLETYPE pointer to be filled in by this method. 1306 @param [in] cComponentName 1307 pointer to a null terminated string with the component name. The 1308 names of the components are strings less than 127 bytes in length 1309 plus the trailing null for a maximum size of 128 bytes. An example 1310 of a valid component name is "OMX.TI.AUDIO.DSP.MIXER\0". Names are 1311 assigned by the vendor, but shall start with "OMX." and then have 1312 the Vendor designation next. 1313 @param [in] pAppData 1314 pointer to an application defined value that will be returned 1315 during callbacks so that the application can identify the source 1316 of the callback. 1317 @param [in] pCallBacks 1318 pointer to a OMX_CALLBACKTYPE structure that will be passed to the 1319 component to initialize it with. 1320 @return OMX_ERRORTYPE 1321 If the command successfully executes, the return code will be 1322 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1323 @ingroup core 1324 */ 1325OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_GetHandle( 1326 OMX_OUT OMX_HANDLETYPE* pHandle, 1327 OMX_IN OMX_STRING cComponentName, 1328 OMX_IN OMX_PTR pAppData, 1329 OMX_IN OMX_CALLBACKTYPE* pCallBacks); 1330 1331 1332/** The OMX_FreeHandle method will free a handle allocated by the OMX_GetHandle 1333 method. If the component reference count goes to zero, the component will 1334 be unloaded from memory. 1335 1336 The core should return from this call within 20 msec when the component is 1337 in the OMX_StateLoaded state. 1338 1339 @param [in] hComponent 1340 Handle of the component to be accessed. This is the component 1341 handle returned by the call to the GetHandle function. 1342 @return OMX_ERRORTYPE 1343 If the command successfully executes, the return code will be 1344 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1345 @ingroup core 1346 */ 1347OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_FreeHandle( 1348 OMX_IN OMX_HANDLETYPE hComponent); 1349 1350 1351 1352/** The OMX_SetupTunnel method will handle the necessary calls to the components 1353 to setup the specified tunnel the two components. NOTE: This is 1354 an actual method (not a #define macro). This method will make calls into 1355 the component ComponentTunnelRequest method to do the actual tunnel 1356 connection. 1357 1358 The ComponentTunnelRequest method on both components will be called. 1359 This method shall not be called unless the component is in the 1360 OMX_StateLoaded state except when the ports used for the tunnel are 1361 disabled. In this case, the component may be in the OMX_StateExecuting, 1362 OMX_StatePause, or OMX_StateIdle states. 1363 1364 The core should return from this call within 20 msec. 1365 1366 @param [in] hOutput 1367 Handle of the component to be accessed. Also this is the handle 1368 of the component whose port, specified in the nPortOutput parameter 1369 will be used the source for the tunnel. This is the component handle 1370 returned by the call to the OMX_GetHandle function. There is a 1371 requirement that hOutput be the source for the data when 1372 tunelling (i.e. nPortOutput is an output port). If 0x0, the component 1373 specified in hInput will have it's port specified in nPortInput 1374 setup for communication with the application / IL client. 1375 @param [in] nPortOutput 1376 nPortOutput is used to select the source port on component to be 1377 used in the tunnel. 1378 @param [in] hInput 1379 This is the component to setup the tunnel with. This is the handle 1380 of the component whose port, specified in the nPortInput parameter 1381 will be used the destination for the tunnel. This is the component handle 1382 returned by the call to the OMX_GetHandle function. There is a 1383 requirement that hInput be the destination for the data when 1384 tunelling (i.e. nPortInut is an input port). If 0x0, the component 1385 specified in hOutput will have it's port specified in nPortPOutput 1386 setup for communication with the application / IL client. 1387 @param [in] nPortInput 1388 nPortInput is used to select the destination port on component to be 1389 used in the tunnel. 1390 @return OMX_ERRORTYPE 1391 If the command successfully executes, the return code will be 1392 OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. 1393 When OMX_ErrorNotImplemented is returned, one or both components is 1394 a non-interop component and does not support tunneling. 1395 1396 On failure, the ports of both components are setup for communication 1397 with the application / IL Client. 1398 @ingroup core tun 1399 */ 1400OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_SetupTunnel( 1401 OMX_IN OMX_HANDLETYPE hOutput, 1402 OMX_IN OMX_U32 nPortOutput, 1403 OMX_IN OMX_HANDLETYPE hInput, 1404 OMX_IN OMX_U32 nPortInput); 1405 1406/** @ingroup cp */ 1407OMX_API OMX_ERRORTYPE OMX_GetContentPipe( 1408 OMX_OUT OMX_HANDLETYPE *hPipe, 1409 OMX_IN OMX_STRING szURI); 1410 1411/** The OMX_GetComponentsOfRole method will return the number of components that support the given 1412 role and (if the compNames field is non-NULL) the names of those components. The call will fail if 1413 an insufficiently sized array of names is supplied. To ensure the array is sufficiently sized the 1414 client should: 1415 * first call this function with the compNames field NULL to determine the number of component names 1416 * second call this function with the compNames field pointing to an array of names allocated 1417 according to the number returned by the first call. 1418 1419 The core should return from this call within 5 msec. 1420 1421 @param [in] role 1422 This is generic standard component name consisting only of component class 1423 name and the type within that class (e.g. 'audio_decoder.aac'). 1424 @param [inout] pNumComps 1425 This is used both as input and output. 1426 1427 If compNames is NULL, the input is ignored and the output specifies how many components support 1428 the given role. 1429 1430 If compNames is not NULL, on input it bounds the size of the input structure and 1431 on output, it specifies the number of components string names listed within the compNames parameter. 1432 @param [inout] compNames 1433 If NULL this field is ignored. If non-NULL this points to an array of 128-byte strings which accepts 1434 a list of the names of all physical components that implement the specified standard component name. 1435 Each name is NULL terminated. numComps indicates the number of names. 1436 @ingroup core 1437 */ 1438OMX_API OMX_ERRORTYPE OMX_GetComponentsOfRole ( 1439 OMX_IN OMX_STRING role, 1440 OMX_INOUT OMX_U32 *pNumComps, 1441 OMX_INOUT OMX_U8 **compNames); 1442 1443/** The OMX_GetRolesOfComponent method will return the number of roles supported by the given 1444 component and (if the roles field is non-NULL) the names of those roles. The call will fail if 1445 an insufficiently sized array of names is supplied. To ensure the array is sufficiently sized the 1446 client should: 1447 * first call this function with the roles field NULL to determine the number of role names 1448 * second call this function with the roles field pointing to an array of names allocated 1449 according to the number returned by the first call. 1450 1451 The core should return from this call within 5 msec. 1452 1453 @param [in] compName 1454 This is the name of the component being queried about. 1455 @param [inout] pNumRoles 1456 This is used both as input and output. 1457 1458 If roles is NULL, the input is ignored and the output specifies how many roles the component supports. 1459 1460 If compNames is not NULL, on input it bounds the size of the input structure and 1461 on output, it specifies the number of roles string names listed within the roles parameter. 1462 @param [out] roles 1463 If NULL this field is ignored. If non-NULL this points to an array of 128-byte strings 1464 which accepts a list of the names of all standard components roles implemented on the 1465 specified component name. numComps indicates the number of names. 1466 @ingroup core 1467 */ 1468OMX_API OMX_ERRORTYPE OMX_GetRolesOfComponent ( 1469 OMX_IN OMX_STRING compName, 1470 OMX_INOUT OMX_U32 *pNumRoles, 1471 OMX_OUT OMX_U8 **roles); 1472 1473#ifdef __cplusplus 1474} 1475#endif /* __cplusplus */ 1476 1477#endif 1478/* File EOF */ 1479 1480