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| * Copyright (c) 2008 The Khronos Group Inc. | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining | |
| * a copy of this software and associated documentation files (the | |
| * "Software"), to deal in the Software without restriction, including | |
| * without limitation the rights to use, copy, modify, merge, publish, | |
| * distribute, sublicense, and/or sell copies of the Software, and to | |
| * permit persons to whom the Software is furnished to do so, subject | |
| * to the following conditions: | |
| * The above copyright notice and this permission notice shall be included | |
| * in all copies or substantial portions of the Software. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
| * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
| * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| * | |
| */ | |
| /** OMX_Core.h - OpenMax IL version 1.1.2 | |
| * The OMX_Core header file contains the definitions used by both the | |
| * application and the component to access common items. | |
| */ | |
| #ifndef OMX_Core_h | |
| #define OMX_Core_h | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif /* __cplusplus */ | |
| #if !defined(OMX_SKIP64BIT) && !defined(_VIDEOCORE) | |
| /* The Videocore compiler doesn't enforce 64 bit alignment on 64 bit variables, | |
| * which is almost equivalent to OMX_SKIP64BIT. | |
| * Annoyingly struct OMX_BUFFERHEADERTYPE doesn't do the sensible thing | |
| * and add padding fields or similar to make it the same for all compilers, | |
| * so all clients need to define this. | |
| * Warn if this isn't set, as the GPU will not interpret your buffers correctly, | |
| * or vice versa. | |
| */ | |
| #warning OMX_SKIP64BIT is not defined - this will be incompatible with the VC GPU code. | |
| #endif | |
| /* Each OMX header shall include all required header files to allow the | |
| * header to compile without errors. The includes below are required | |
| * for this header file to compile successfully | |
| */ | |
| #include "OMX_Index.h" | |
| /** The OMX_COMMANDTYPE enumeration is used to specify the action in the | |
| * OMX_SendCommand macro. | |
| * @ingroup core | |
| */ | |
| typedef enum OMX_COMMANDTYPE | |
| { | |
| OMX_CommandStateSet, /**< Change the component state */ | |
| OMX_CommandFlush, /**< Flush the data queue(s) of a component */ | |
| OMX_CommandPortDisable, /**< Disable a port on a component. */ | |
| OMX_CommandPortEnable, /**< Enable a port on a component. */ | |
| OMX_CommandMarkBuffer, /**< Mark a component/buffer for observation */ | |
| OMX_CommandKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ | |
| OMX_CommandVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ | |
| OMX_CommandMax = 0X7FFFFFFF | |
| } OMX_COMMANDTYPE; | |
| /** The OMX_STATETYPE enumeration is used to indicate or change the component | |
| * state. This enumeration reflects the current state of the component when | |
| * used with the OMX_GetState macro or becomes the parameter in a state change | |
| * command when used with the OMX_SendCommand macro. | |
| * | |
| * The component will be in the Loaded state after the component is initially | |
| * loaded into memory. In the Loaded state, the component is not allowed to | |
| * allocate or hold resources other than to build it's internal parameter | |
| * and configuration tables. The application will send one or more | |
| * SetParameters/GetParameters and SetConfig/GetConfig commands to the | |
| * component and the component will record each of these parameter and | |
| * configuration changes for use later. When the application sends the | |
| * Idle command, the component will acquire the resources needed for the | |
| * specified configuration and will transition to the idle state if the | |
| * allocation is successful. If the component cannot successfully | |
| * transition to the idle state for any reason, the state of the component | |
| * shall be fully rolled back to the Loaded state (e.g. all allocated | |
| * resources shall be released). When the component receives the command | |
| * to go to the Executing state, it shall begin processing buffers by | |
| * sending all input buffers it holds to the application. While | |
| * the component is in the Idle state, the application may also send the | |
| * Pause command. If the component receives the pause command while in the | |
| * Idle state, the component shall send all input buffers it holds to the | |
| * application, but shall not begin processing buffers. This will allow the | |
| * application to prefill buffers. | |
| * | |
| * @ingroup comp | |
| */ | |
| typedef enum OMX_STATETYPE | |
| { | |
| OMX_StateInvalid, /**< component has detected that it's internal data | |
| structures are corrupted to the point that | |
| it cannot determine it's state properly */ | |
| OMX_StateLoaded, /**< component has been loaded but has not completed | |
| initialization. The OMX_SetParameter macro | |
| and the OMX_GetParameter macro are the only | |
| valid macros allowed to be sent to the | |
| component in this state. */ | |
| OMX_StateIdle, /**< component initialization has been completed | |
| successfully and the component is ready to | |
| to start. */ | |
| OMX_StateExecuting, /**< component has accepted the start command and | |
| is processing data (if data is available) */ | |
| OMX_StatePause, /**< component has received pause command */ | |
| OMX_StateWaitForResources, /**< component is waiting for resources, either after | |
| preemption or before it gets the resources requested. | |
| See specification for complete details. */ | |
| OMX_StateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ | |
| OMX_StateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ | |
| OMX_StateMax = 0X7FFFFFFF | |
| } OMX_STATETYPE; | |
| /** The OMX_ERRORTYPE enumeration defines the standard OMX Errors. These | |
| * errors should cover most of the common failure cases. However, | |
| * vendors are free to add additional error messages of their own as | |
| * long as they follow these rules: | |
| * 1. Vendor error messages shall be in the range of 0x90000000 to | |
| * 0x9000FFFF. | |
| * 2. Vendor error messages shall be defined in a header file provided | |
| * with the component. No error messages are allowed that are | |
| * not defined. | |
| */ | |
| typedef enum OMX_ERRORTYPE | |
| { | |
| OMX_ErrorNone = 0, | |
| /** There were insufficient resources to perform the requested operation */ | |
| OMX_ErrorInsufficientResources = (OMX_S32) 0x80001000, | |
| /** There was an error, but the cause of the error could not be determined */ | |
| OMX_ErrorUndefined = (OMX_S32) 0x80001001, | |
| /** The component name string was not valid */ | |
| OMX_ErrorInvalidComponentName = (OMX_S32) 0x80001002, | |
| /** No component with the specified name string was found */ | |
| OMX_ErrorComponentNotFound = (OMX_S32) 0x80001003, | |
| /** The component specified did not have a "OMX_ComponentInit" or | |
| "OMX_ComponentDeInit entry point */ | |
| OMX_ErrorInvalidComponent = (OMX_S32) 0x80001004, | |
| /** One or more parameters were not valid */ | |
| OMX_ErrorBadParameter = (OMX_S32) 0x80001005, | |
| /** The requested function is not implemented */ | |
| OMX_ErrorNotImplemented = (OMX_S32) 0x80001006, | |
| /** The buffer was emptied before the next buffer was ready */ | |
| OMX_ErrorUnderflow = (OMX_S32) 0x80001007, | |
| /** The buffer was not available when it was needed */ | |
| OMX_ErrorOverflow = (OMX_S32) 0x80001008, | |
| /** The hardware failed to respond as expected */ | |
| OMX_ErrorHardware = (OMX_S32) 0x80001009, | |
| /** The component is in the state OMX_StateInvalid */ | |
| OMX_ErrorInvalidState = (OMX_S32) 0x8000100A, | |
| /** Stream is found to be corrupt */ | |
| OMX_ErrorStreamCorrupt = (OMX_S32) 0x8000100B, | |
| /** Ports being connected are not compatible */ | |
| OMX_ErrorPortsNotCompatible = (OMX_S32) 0x8000100C, | |
| /** Resources allocated to an idle component have been | |
| lost resulting in the component returning to the loaded state */ | |
| OMX_ErrorResourcesLost = (OMX_S32) 0x8000100D, | |
| /** No more indicies can be enumerated */ | |
| OMX_ErrorNoMore = (OMX_S32) 0x8000100E, | |
| /** The component detected a version mismatch */ | |
| OMX_ErrorVersionMismatch = (OMX_S32) 0x8000100F, | |
| /** The component is not ready to return data at this time */ | |
| OMX_ErrorNotReady = (OMX_S32) 0x80001010, | |
| /** There was a timeout that occurred */ | |
| OMX_ErrorTimeout = (OMX_S32) 0x80001011, | |
| /** This error occurs when trying to transition into the state you are already in */ | |
| OMX_ErrorSameState = (OMX_S32) 0x80001012, | |
| /** Resources allocated to an executing or paused component have been | |
| preempted, causing the component to return to the idle state */ | |
| OMX_ErrorResourcesPreempted = (OMX_S32) 0x80001013, | |
| /** A non-supplier port sends this error to the IL client (via the EventHandler callback) | |
| during the allocation of buffers (on a transition from the LOADED to the IDLE state or | |
| on a port restart) when it deems that it has waited an unusually long time for the supplier | |
| to send it an allocated buffer via a UseBuffer call. */ | |
| OMX_ErrorPortUnresponsiveDuringAllocation = (OMX_S32) 0x80001014, | |
| /** A non-supplier port sends this error to the IL client (via the EventHandler callback) | |
| during the deallocation of buffers (on a transition from the IDLE to LOADED state or | |
| on a port stop) when it deems that it has waited an unusually long time for the supplier | |
| to request the deallocation of a buffer header via a FreeBuffer call. */ | |
| OMX_ErrorPortUnresponsiveDuringDeallocation = (OMX_S32) 0x80001015, | |
| /** A supplier port sends this error to the IL client (via the EventHandler callback) | |
| during the stopping of a port (either on a transition from the IDLE to LOADED | |
| state or a port stop) when it deems that it has waited an unusually long time for | |
| the non-supplier to return a buffer via an EmptyThisBuffer or FillThisBuffer call. */ | |
| OMX_ErrorPortUnresponsiveDuringStop = (OMX_S32) 0x80001016, | |
| /** Attempting a state transtion that is not allowed */ | |
| OMX_ErrorIncorrectStateTransition = (OMX_S32) 0x80001017, | |
| /* Attempting a command that is not allowed during the present state. */ | |
| OMX_ErrorIncorrectStateOperation = (OMX_S32) 0x80001018, | |
| /** The values encapsulated in the parameter or config structure are not supported. */ | |
| OMX_ErrorUnsupportedSetting = (OMX_S32) 0x80001019, | |
| /** The parameter or config indicated by the given index is not supported. */ | |
| OMX_ErrorUnsupportedIndex = (OMX_S32) 0x8000101A, | |
| /** The port index supplied is incorrect. */ | |
| OMX_ErrorBadPortIndex = (OMX_S32) 0x8000101B, | |
| /** The port has lost one or more of its buffers and it thus unpopulated. */ | |
| OMX_ErrorPortUnpopulated = (OMX_S32) 0x8000101C, | |
| /** Component suspended due to temporary loss of resources */ | |
| OMX_ErrorComponentSuspended = (OMX_S32) 0x8000101D, | |
| /** Component suspended due to an inability to acquire dynamic resources */ | |
| OMX_ErrorDynamicResourcesUnavailable = (OMX_S32) 0x8000101E, | |
| /** When the macroblock error reporting is enabled the component returns new error | |
| for every frame that has errors */ | |
| OMX_ErrorMbErrorsInFrame = (OMX_S32) 0x8000101F, | |
| /** A component reports this error when it cannot parse or determine the format of an input stream. */ | |
| OMX_ErrorFormatNotDetected = (OMX_S32) 0x80001020, | |
| /** The content open operation failed. */ | |
| OMX_ErrorContentPipeOpenFailed = (OMX_S32) 0x80001021, | |
| /** The content creation operation failed. */ | |
| OMX_ErrorContentPipeCreationFailed = (OMX_S32) 0x80001022, | |
| /** Separate table information is being used */ | |
| OMX_ErrorSeperateTablesUsed = (OMX_S32) 0x80001023, | |
| /** Tunneling is unsupported by the component*/ | |
| OMX_ErrorTunnelingUnsupported = (OMX_S32) 0x80001024, | |
| OMX_ErrorKhronosExtensions = (OMX_S32)0x8F000000, /**< Reserved region for introducing Khronos Standard Extensions */ | |
| OMX_ErrorVendorStartUnused = (OMX_S32)0x90000000, /**< Reserved region for introducing Vendor Extensions */ | |
| /** Disk Full error */ | |
| OMX_ErrorDiskFull = (OMX_S32) 0x90000001, | |
| /** Max file size is reached */ | |
| OMX_ErrorMaxFileSize = (OMX_S32) 0x90000002, | |
| /** Unauthorised to play a DRM protected file */ | |
| OMX_ErrorDrmUnauthorised = (OMX_S32) 0x90000003, | |
| /** The DRM protected file has expired */ | |
| OMX_ErrorDrmExpired = (OMX_S32) 0x90000004, | |
| /** Some other DRM library error */ | |
| OMX_ErrorDrmGeneral = (OMX_S32) 0x90000005, | |
| OMX_ErrorMax = 0x7FFFFFFF | |
| } OMX_ERRORTYPE; | |
| /** @ingroup core */ | |
| typedef OMX_ERRORTYPE (* OMX_COMPONENTINITTYPE)(OMX_IN OMX_HANDLETYPE hComponent); | |
| /** @ingroup core */ | |
| typedef struct OMX_COMPONENTREGISTERTYPE | |
| { | |
| const char * pName; /* Component name, 128 byte limit (including '\0') applies */ | |
| OMX_COMPONENTINITTYPE pInitialize; /* Component instance initialization function */ | |
| } OMX_COMPONENTREGISTERTYPE; | |
| /** @ingroup core */ | |
| extern OMX_COMPONENTREGISTERTYPE OMX_ComponentRegistered[]; | |
| /** @ingroup rpm */ | |
| typedef struct OMX_PRIORITYMGMTTYPE { | |
| OMX_U32 nSize; /**< size of the structure in bytes */ | |
| OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ | |
| OMX_U32 nGroupPriority; /**< Priority of the component group */ | |
| OMX_U32 nGroupID; /**< ID of the component group */ | |
| } OMX_PRIORITYMGMTTYPE; | |
| /* Component name and Role names are limited to 128 characters including the terminating '\0'. */ | |
| #define OMX_MAX_STRINGNAME_SIZE 128 | |
| /** @ingroup comp */ | |
| typedef struct OMX_PARAM_COMPONENTROLETYPE { | |
| OMX_U32 nSize; /**< size of the structure in bytes */ | |
| OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ | |
| OMX_U8 cRole[OMX_MAX_STRINGNAME_SIZE]; /**< name of standard component which defines component role */ | |
| } OMX_PARAM_COMPONENTROLETYPE; | |
| /** End of Stream Buffer Flag: | |
| * | |
| * A component sets EOS when it has no more data to emit on a particular | |
| * output port. Thus an output port shall set EOS on the last buffer it | |
| * emits. A component's determination of when an output port should | |
| * cease sending data is implemenation specific. | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_EOS 0x00000001 | |
| /** Start Time Buffer Flag: | |
| * | |
| * The source of a stream (e.g. a demux component) sets the STARTTIME | |
| * flag on the buffer that contains the starting timestamp for the | |
| * stream. The starting timestamp corresponds to the first data that | |
| * should be displayed at startup or after a seek. | |
| * The first timestamp of the stream is not necessarily the start time. | |
| * For instance, in the case of a seek to a particular video frame, | |
| * the target frame may be an interframe. Thus the first buffer of | |
| * the stream will be the intra-frame preceding the target frame and | |
| * the starttime will occur with the target frame (with any other | |
| * required frames required to reconstruct the target intervening). | |
| * | |
| * The STARTTIME flag is directly associated with the buffer's | |
| * timestamp ' thus its association to buffer data and its | |
| * propagation is identical to the timestamp's. | |
| * | |
| * When a Sync Component client receives a buffer with the | |
| * STARTTIME flag it shall perform a SetConfig on its sync port | |
| * using OMX_ConfigTimeClientStartTime and passing the buffer's | |
| * timestamp. | |
| * | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_STARTTIME 0x00000002 | |
| /** Decode Only Buffer Flag: | |
| * | |
| * The source of a stream (e.g. a demux component) sets the DECODEONLY | |
| * flag on any buffer that should shall be decoded but should not be | |
| * displayed. This flag is used, for instance, when a source seeks to | |
| * a target interframe that requires the decode of frames preceding the | |
| * target to facilitate the target's reconstruction. In this case the | |
| * source would emit the frames preceding the target downstream | |
| * but mark them as decode only. | |
| * | |
| * The DECODEONLY is associated with buffer data and propagated in a | |
| * manner identical to the buffer timestamp. | |
| * | |
| * A component that renders data should ignore all buffers with | |
| * the DECODEONLY flag set. | |
| * | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_DECODEONLY 0x00000004 | |
| /* Data Corrupt Flag: This flag is set when the IL client believes the data in the associated buffer is corrupt | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_DATACORRUPT 0x00000008 | |
| /* End of Frame: The buffer contains exactly one end of frame and no data | |
| * occurs after the end of frame. This flag is an optional hint. The absence | |
| * of this flag does not imply the absence of an end of frame within the buffer. | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_ENDOFFRAME 0x00000010 | |
| /* Sync Frame Flag: This flag is set when the buffer content contains a coded sync frame ' | |
| * a frame that has no dependency on any other frame information | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_SYNCFRAME 0x00000020 | |
| /* Extra data present flag: there is extra data appended to the data stream | |
| * residing in the buffer | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_EXTRADATA 0x00000040 | |
| /** Codec Config Buffer Flag: | |
| * OMX_BUFFERFLAG_CODECCONFIG is an optional flag that is set by an | |
| * output port when all bytes in the buffer form part or all of a set of | |
| * codec specific configuration data. Examples include SPS/PPS nal units | |
| * for OMX_VIDEO_CodingAVC or AudioSpecificConfig data for | |
| * OMX_AUDIO_CodingAAC. Any component that for a given stream sets | |
| * OMX_BUFFERFLAG_CODECCONFIG shall not mix codec configuration bytes | |
| * with frame data in the same buffer, and shall send all buffers | |
| * containing codec configuration bytes before any buffers containing | |
| * frame data that those configurations bytes describe. | |
| * If the stream format for a particular codec has a frame specific | |
| * header at the start of each frame, for example OMX_AUDIO_CodingMP3 or | |
| * OMX_AUDIO_CodingAAC in ADTS mode, then these shall be presented as | |
| * normal without setting OMX_BUFFERFLAG_CODECCONFIG. | |
| * @ingroup buf | |
| */ | |
| #define OMX_BUFFERFLAG_CODECCONFIG 0x00000080 | |
| /** @ingroup buf */ | |
| typedef struct OMX_BUFFERHEADERTYPE | |
| { | |
| OMX_U32 nSize; /**< size of the structure in bytes */ | |
| OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ | |
| OMX_U8* pBuffer; /**< Pointer to actual block of memory | |
| that is acting as the buffer */ | |
| OMX_U32 nAllocLen; /**< size of the buffer allocated, in bytes */ | |
| OMX_U32 nFilledLen; /**< number of bytes currently in the | |
| buffer */ | |
| OMX_U32 nOffset; /**< start offset of valid data in bytes from | |
| the start of the buffer */ | |
| OMX_PTR pAppPrivate; /**< pointer to any data the application | |
| wants to associate with this buffer */ | |
| OMX_PTR pPlatformPrivate; /**< pointer to any data the platform | |
| wants to associate with this buffer */ | |
| OMX_PTR pInputPortPrivate; /**< pointer to any data the input port | |
| wants to associate with this buffer */ | |
| OMX_PTR pOutputPortPrivate; /**< pointer to any data the output port | |
| wants to associate with this buffer */ | |
| OMX_HANDLETYPE hMarkTargetComponent; /**< The component that will generate a | |
| mark event upon processing this buffer. */ | |
| OMX_PTR pMarkData; /**< Application specific data associated with | |
| the mark sent on a mark event to disambiguate | |
| this mark from others. */ | |
| OMX_U32 nTickCount; /**< Optional entry that the component and | |
| application can update with a tick count | |
| when they access the component. This | |
| value should be in microseconds. Since | |
| this is a value relative to an arbitrary | |
| starting point, this value cannot be used | |
| to determine absolute time. This is an | |
| optional entry and not all components | |
| will update it.*/ | |
| OMX_TICKS nTimeStamp; /**< Timestamp corresponding to the sample | |
| starting at the first logical sample | |
| boundary in the buffer. Timestamps of | |
| successive samples within the buffer may | |
| be inferred by adding the duration of the | |
| of the preceding buffer to the timestamp | |
| of the preceding buffer.*/ | |
| OMX_U32 nFlags; /**< buffer specific flags */ | |
| OMX_U32 nOutputPortIndex; /**< The index of the output port (if any) using | |
| this buffer */ | |
| OMX_U32 nInputPortIndex; /**< The index of the input port (if any) using | |
| this buffer */ | |
| } OMX_BUFFERHEADERTYPE; | |
| /** The OMX_EXTRADATATYPE enumeration is used to define the | |
| * possible extra data payload types. | |
| * NB: this enum is binary backwards compatible with the previous | |
| * OMX_EXTRADATA_QUANT define. This should be replaced with | |
| * OMX_ExtraDataQuantization. | |
| */ | |
| typedef enum OMX_EXTRADATATYPE | |
| { | |
| OMX_ExtraDataNone = 0, /**< Indicates that no more extra data sections follow */ | |
| OMX_ExtraDataQuantization, /**< The data payload contains quantization data */ | |
| OMX_ExtraDataKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ | |
| OMX_ExtraDataVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ | |
| OMX_ExtraDataSequenceGap, /**< Indicates a gap in sequence numbers, data is uint32_t | |
| saying how many frames were lost */ | |
| OMX_ExtraDataDecodeOnlyUntil, /**< Indicates a timestamp until which all data should be | |
| decoded only, and the first packets after should generate | |
| a client start time flag. data is int32_t of seek time | |
| in milliseconds */ | |
| OMX_ExtraDataMax = 0x7FFFFFFF | |
| } OMX_EXTRADATATYPE; | |
| typedef struct OMX_OTHER_EXTRADATATYPE { | |
| OMX_U32 nSize; | |
| OMX_VERSIONTYPE nVersion; | |
| OMX_U32 nPortIndex; | |
| OMX_EXTRADATATYPE eType; /* Extra Data type */ | |
| OMX_U32 nDataSize; /* Size of the supporting data to follow */ | |
| OMX_U8 data[1]; /* Supporting data hint */ | |
| } OMX_OTHER_EXTRADATATYPE; | |
| /** @ingroup comp */ | |
| typedef struct OMX_PORT_PARAM_TYPE { | |
| OMX_U32 nSize; /**< size of the structure in bytes */ | |
| OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ | |
| OMX_U32 nPorts; /**< The number of ports for this component */ | |
| OMX_U32 nStartPortNumber; /** first port number for this type of port */ | |
| } OMX_PORT_PARAM_TYPE; | |
| /** @ingroup comp */ | |
| typedef enum OMX_EVENTTYPE | |
| { | |
| OMX_EventCmdComplete, /**< component has sucessfully completed a command */ | |
| OMX_EventError, /**< component has detected an error condition */ | |
| OMX_EventMark, /**< component has detected a buffer mark */ | |
| OMX_EventPortSettingsChanged, /**< component is reported a port settings change */ | |
| OMX_EventBufferFlag, /**< component has detected an EOS */ | |
| OMX_EventResourcesAcquired, /**< component has been granted resources and is | |
| automatically starting the state change from | |
| OMX_StateWaitForResources to OMX_StateIdle. */ | |
| OMX_EventComponentResumed, /**< Component resumed due to reacquisition of resources */ | |
| OMX_EventDynamicResourcesAvailable, /**< Component has acquired previously unavailable dynamic resources */ | |
| OMX_EventPortFormatDetected, /**< Component has detected a supported format. */ | |
| OMX_EventKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ | |
| OMX_EventVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ | |
| OMX_EventParamOrConfigChanged, /* Should be added to the main spec as part of IL416c */ | |
| OMX_EventMax = 0x7FFFFFFF | |
| } OMX_EVENTTYPE; | |
| typedef struct OMX_CALLBACKTYPE | |
| { | |
| /** The EventHandler method is used to notify the application when an | |
| event of interest occurs. Events are defined in the OMX_EVENTTYPE | |
| enumeration. Please see that enumeration for details of what will | |
| be returned for each type of event. Callbacks should not return | |
| an error to the component, so if an error occurs, the application | |
| shall handle it internally. This is a blocking call. | |
| The application should return from this call within 5 msec to avoid | |
| blocking the component for an excessively long period of time. | |
| @param hComponent | |
| handle of the component to access. This is the component | |
| handle returned by the call to the GetHandle function. | |
| @param pAppData | |
| pointer to an application defined value that was provided in the | |
| pAppData parameter to the OMX_GetHandle method for the component. | |
| This application defined value is provided so that the application | |
| can have a component specific context when receiving the callback. | |
| @param eEvent | |
| Event that the component wants to notify the application about. | |
| @param nData1 | |
| nData will be the OMX_ERRORTYPE for an error event and will be | |
| an OMX_COMMANDTYPE for a command complete event and OMX_INDEXTYPE for a OMX_PortSettingsChanged event. | |
| @param nData2 | |
| nData2 will hold further information related to the event. Can be OMX_STATETYPE for | |
| a OMX_CommandStateSet command or port index for a OMX_PortSettingsChanged event. | |
| Default value is 0 if not used. ) | |
| @param pEventData | |
| Pointer to additional event-specific data (see spec for meaning). | |
| */ | |
| OMX_ERRORTYPE (*EventHandler)( | |
| OMX_IN OMX_HANDLETYPE hComponent, | |
| OMX_IN OMX_PTR pAppData, | |
| OMX_IN OMX_EVENTTYPE eEvent, | |
| OMX_IN OMX_U32 nData1, | |
| OMX_IN OMX_U32 nData2, | |
| OMX_IN OMX_PTR pEventData); | |
| /** The EmptyBufferDone method is used to return emptied buffers from an | |
| input port back to the application for reuse. This is a blocking call | |
| so the application should not attempt to refill the buffers during this | |
| call, but should queue them and refill them in another thread. There | |
| is no error return, so the application shall handle any errors generated | |
| internally. | |
| The application should return from this call within 5 msec. | |
| @param hComponent | |
| handle of the component to access. This is the component | |
| handle returned by the call to the GetHandle function. | |
| @param pAppData | |
| pointer to an application defined value that was provided in the | |
| pAppData parameter to the OMX_GetHandle method for the component. | |
| This application defined value is provided so that the application | |
| can have a component specific context when receiving the callback. | |
| @param pBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer | |
| or AllocateBuffer indicating the buffer that was emptied. | |
| @ingroup buf | |
| */ | |
| OMX_ERRORTYPE (*EmptyBufferDone)( | |
| OMX_IN OMX_HANDLETYPE hComponent, | |
| OMX_IN OMX_PTR pAppData, | |
| OMX_IN OMX_BUFFERHEADERTYPE* pBuffer); | |
| /** The FillBufferDone method is used to return filled buffers from an | |
| output port back to the application for emptying and then reuse. | |
| This is a blocking call so the application should not attempt to | |
| empty the buffers during this call, but should queue the buffers | |
| and empty them in another thread. There is no error return, so | |
| the application shall handle any errors generated internally. The | |
| application shall also update the buffer header to indicate the | |
| number of bytes placed into the buffer. | |
| The application should return from this call within 5 msec. | |
| @param hComponent | |
| handle of the component to access. This is the component | |
| handle returned by the call to the GetHandle function. | |
| @param pAppData | |
| pointer to an application defined value that was provided in the | |
| pAppData parameter to the OMX_GetHandle method for the component. | |
| This application defined value is provided so that the application | |
| can have a component specific context when receiving the callback. | |
| @param pBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer | |
| or AllocateBuffer indicating the buffer that was filled. | |
| @ingroup buf | |
| */ | |
| OMX_ERRORTYPE (*FillBufferDone)( | |
| OMX_OUT OMX_HANDLETYPE hComponent, | |
| OMX_OUT OMX_PTR pAppData, | |
| OMX_OUT OMX_BUFFERHEADERTYPE* pBuffer); | |
| } OMX_CALLBACKTYPE; | |
| /** The OMX_BUFFERSUPPLIERTYPE enumeration is used to dictate port supplier | |
| preference when tunneling between two ports. | |
| @ingroup tun buf | |
| */ | |
| typedef enum OMX_BUFFERSUPPLIERTYPE | |
| { | |
| OMX_BufferSupplyUnspecified = 0x0, /**< port supplying the buffers is unspecified, | |
| or don't care */ | |
| OMX_BufferSupplyInput, /**< input port supplies the buffers */ | |
| OMX_BufferSupplyOutput, /**< output port supplies the buffers */ | |
| OMX_BufferSupplyKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ | |
| OMX_BufferSupplyVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ | |
| OMX_BufferSupplyMax = 0x7FFFFFFF | |
| } OMX_BUFFERSUPPLIERTYPE; | |
| /** buffer supplier parameter | |
| * @ingroup tun | |
| */ | |
| typedef struct OMX_PARAM_BUFFERSUPPLIERTYPE { | |
| OMX_U32 nSize; /**< size of the structure in bytes */ | |
| OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ | |
| OMX_U32 nPortIndex; /**< port that this structure applies to */ | |
| OMX_BUFFERSUPPLIERTYPE eBufferSupplier; /**< buffer supplier */ | |
| } OMX_PARAM_BUFFERSUPPLIERTYPE; | |
| /**< indicates that buffers received by an input port of a tunnel | |
| may not modify the data in the buffers | |
| @ingroup tun | |
| */ | |
| #define OMX_PORTTUNNELFLAG_READONLY 0x00000001 | |
| /** The OMX_TUNNELSETUPTYPE structure is used to pass data from an output | |
| port to an input port as part the two ComponentTunnelRequest calls | |
| resulting from a OMX_SetupTunnel call from the IL Client. | |
| @ingroup tun | |
| */ | |
| typedef struct OMX_TUNNELSETUPTYPE | |
| { | |
| OMX_U32 nTunnelFlags; /**< bit flags for tunneling */ | |
| OMX_BUFFERSUPPLIERTYPE eSupplier; /**< supplier preference */ | |
| } OMX_TUNNELSETUPTYPE; | |
| /* OMX Component headers is included to enable the core to use | |
| macros for functions into the component for OMX release 1.0. | |
| Developers should not access any structures or data from within | |
| the component header directly */ | |
| /* TO BE REMOVED - #include <OMX_Component.h> */ | |
| /** GetComponentVersion will return information about the component. | |
| This is a blocking call. This macro will go directly from the | |
| application to the component (via a core macro). The | |
| component will return from this call within 5 msec. | |
| @param [in] hComponent | |
| handle of component to execute the command | |
| @param [out] pComponentName | |
| pointer to an empty string of length 128 bytes. The component | |
| will write its name into this string. The name will be | |
| terminated by a single zero byte. The name of a component will | |
| be 127 bytes or less to leave room for the trailing zero byte. | |
| An example of a valid component name is "OMX.ABC.ChannelMixer\0". | |
| @param [out] pComponentVersion | |
| pointer to an OMX Version structure that the component will fill | |
| in. The component will fill in a value that indicates the | |
| component version. NOTE: the component version is NOT the same | |
| as the OMX Specification version (found in all structures). The | |
| component version is defined by the vendor of the component and | |
| its value is entirely up to the component vendor. | |
| @param [out] pSpecVersion | |
| pointer to an OMX Version structure that the component will fill | |
| in. The SpecVersion is the version of the specification that the | |
| component was built against. Please note that this value may or | |
| may not match the structure's version. For example, if the | |
| component was built against the 2.0 specification, but the | |
| application (which creates the structure is built against the | |
| 1.0 specification the versions would be different. | |
| @param [out] pComponentUUID | |
| pointer to the UUID of the component which will be filled in by | |
| the component. The UUID is a unique identifier that is set at | |
| RUN time for the component and is unique to each instantion of | |
| the component. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_GetComponentVersion( \ | |
| hComponent, \ | |
| pComponentName, \ | |
| pComponentVersion, \ | |
| pSpecVersion, \ | |
| pComponentUUID) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->GetComponentVersion( \ | |
| hComponent, \ | |
| pComponentName, \ | |
| pComponentVersion, \ | |
| pSpecVersion, \ | |
| pComponentUUID) /* Macro End */ | |
| /** Send a command to the component. This call is a non-blocking call. | |
| The component should check the parameters and then queue the command | |
| to the component thread to be executed. The component thread shall | |
| send the EventHandler() callback at the conclusion of the command. | |
| This macro will go directly from the application to the component (via | |
| a core macro). The component will return from this call within 5 msec. | |
| When the command is "OMX_CommandStateSet" the component will queue a | |
| state transition to the new state idenfied in nParam. | |
| When the command is "OMX_CommandFlush", to flush a port's buffer queues, | |
| the command will force the component to return all buffers NOT CURRENTLY | |
| BEING PROCESSED to the application, in the order in which the buffers | |
| were received. | |
| When the command is "OMX_CommandPortDisable" or | |
| "OMX_CommandPortEnable", the component's port (given by the value of | |
| nParam) will be stopped or restarted. | |
| When the command "OMX_CommandMarkBuffer" is used to mark a buffer, the | |
| pCmdData will point to a OMX_MARKTYPE structure containing the component | |
| handle of the component to examine the buffer chain for the mark. nParam1 | |
| contains the index of the port on which the buffer mark is applied. | |
| Specification text for more details. | |
| @param [in] hComponent | |
| handle of component to execute the command | |
| @param [in] Cmd | |
| Command for the component to execute | |
| @param [in] nParam | |
| Parameter for the command to be executed. When Cmd has the value | |
| OMX_CommandStateSet, value is a member of OMX_STATETYPE. When Cmd has | |
| the value OMX_CommandFlush, value of nParam indicates which port(s) | |
| to flush. -1 is used to flush all ports a single port index will | |
| only flush that port. When Cmd has the value "OMX_CommandPortDisable" | |
| or "OMX_CommandPortEnable", the component's port is given by | |
| the value of nParam. When Cmd has the value "OMX_CommandMarkBuffer" | |
| the components pot is given by the value of nParam. | |
| @param [in] pCmdData | |
| Parameter pointing to the OMX_MARKTYPE structure when Cmd has the value | |
| "OMX_CommandMarkBuffer". | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_SendCommand( \ | |
| hComponent, \ | |
| Cmd, \ | |
| nParam, \ | |
| pCmdData) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->SendCommand( \ | |
| hComponent, \ | |
| Cmd, \ | |
| nParam, \ | |
| pCmdData) /* Macro End */ | |
| /** The OMX_GetParameter macro will get one of the current parameter | |
| settings from the component. This macro cannot only be invoked when | |
| the component is in the OMX_StateInvalid state. The nParamIndex | |
| parameter is used to indicate which structure is being requested from | |
| the component. The application shall allocate the correct structure | |
| and shall fill in the structure size and version information before | |
| invoking this macro. When the parameter applies to a port, the | |
| caller shall fill in the appropriate nPortIndex value indicating the | |
| port on which the parameter applies. If the component has not had | |
| any settings changed, then the component should return a set of | |
| valid DEFAULT parameters for the component. This is a blocking | |
| call. | |
| The component should return from this call within 20 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] nParamIndex | |
| Index of the structure to be filled. This value is from the | |
| OMX_INDEXTYPE enumeration. | |
| @param [in,out] pComponentParameterStructure | |
| Pointer to application allocated structure to be filled by the | |
| component. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_GetParameter( \ | |
| hComponent, \ | |
| nParamIndex, \ | |
| pComponentParameterStructure) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->GetParameter( \ | |
| hComponent, \ | |
| nParamIndex, \ | |
| pComponentParameterStructure) /* Macro End */ | |
| /** The OMX_SetParameter macro will send an initialization parameter | |
| structure to a component. Each structure shall be sent one at a time, | |
| in a separate invocation of the macro. This macro can only be | |
| invoked when the component is in the OMX_StateLoaded state, or the | |
| port is disabled (when the parameter applies to a port). The | |
| nParamIndex parameter is used to indicate which structure is being | |
| passed to the component. The application shall allocate the | |
| correct structure and shall fill in the structure size and version | |
| information (as well as the actual data) before invoking this macro. | |
| The application is free to dispose of this structure after the call | |
| as the component is required to copy any data it shall retain. This | |
| is a blocking call. | |
| The component should return from this call within 20 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] nIndex | |
| Index of the structure to be sent. This value is from the | |
| OMX_INDEXTYPE enumeration. | |
| @param [in] pComponentParameterStructure | |
| pointer to application allocated structure to be used for | |
| initialization by the component. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_SetParameter( \ | |
| hComponent, \ | |
| nParamIndex, \ | |
| pComponentParameterStructure) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->SetParameter( \ | |
| hComponent, \ | |
| nParamIndex, \ | |
| pComponentParameterStructure) /* Macro End */ | |
| /** The OMX_GetConfig macro will get one of the configuration structures | |
| from a component. This macro can be invoked anytime after the | |
| component has been loaded. The nParamIndex call parameter is used to | |
| indicate which structure is being requested from the component. The | |
| application shall allocate the correct structure and shall fill in the | |
| structure size and version information before invoking this macro. | |
| If the component has not had this configuration parameter sent before, | |
| then the component should return a set of valid DEFAULT values for the | |
| component. This is a blocking call. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] nIndex | |
| Index of the structure to be filled. This value is from the | |
| OMX_INDEXTYPE enumeration. | |
| @param [in,out] pComponentConfigStructure | |
| pointer to application allocated structure to be filled by the | |
| component. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_GetConfig( \ | |
| hComponent, \ | |
| nConfigIndex, \ | |
| pComponentConfigStructure) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->GetConfig( \ | |
| hComponent, \ | |
| nConfigIndex, \ | |
| pComponentConfigStructure) /* Macro End */ | |
| /** The OMX_SetConfig macro will send one of the configuration | |
| structures to a component. Each structure shall be sent one at a time, | |
| each in a separate invocation of the macro. This macro can be invoked | |
| anytime after the component has been loaded. The application shall | |
| allocate the correct structure and shall fill in the structure size | |
| and version information (as well as the actual data) before invoking | |
| this macro. The application is free to dispose of this structure after | |
| the call as the component is required to copy any data it shall retain. | |
| This is a blocking call. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] nConfigIndex | |
| Index of the structure to be sent. This value is from the | |
| OMX_INDEXTYPE enumeration above. | |
| @param [in] pComponentConfigStructure | |
| pointer to application allocated structure to be used for | |
| initialization by the component. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_SetConfig( \ | |
| hComponent, \ | |
| nConfigIndex, \ | |
| pComponentConfigStructure) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->SetConfig( \ | |
| hComponent, \ | |
| nConfigIndex, \ | |
| pComponentConfigStructure) /* Macro End */ | |
| /** The OMX_GetExtensionIndex macro will invoke a component to translate | |
| a vendor specific configuration or parameter string into an OMX | |
| structure index. There is no requirement for the vendor to support | |
| this command for the indexes already found in the OMX_INDEXTYPE | |
| enumeration (this is done to save space in small components). The | |
| component shall support all vendor supplied extension indexes not found | |
| in the master OMX_INDEXTYPE enumeration. This is a blocking call. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the GetHandle function. | |
| @param [in] cParameterName | |
| OMX_STRING that shall be less than 128 characters long including | |
| the trailing null byte. This is the string that will get | |
| translated by the component into a configuration index. | |
| @param [out] pIndexType | |
| a pointer to a OMX_INDEXTYPE to receive the index value. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_GetExtensionIndex( \ | |
| hComponent, \ | |
| cParameterName, \ | |
| pIndexType) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->GetExtensionIndex( \ | |
| hComponent, \ | |
| cParameterName, \ | |
| pIndexType) /* Macro End */ | |
| /** The OMX_GetState macro will invoke the component to get the current | |
| state of the component and place the state value into the location | |
| pointed to by pState. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [out] pState | |
| pointer to the location to receive the state. The value returned | |
| is one of the OMX_STATETYPE members | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp | |
| */ | |
| #define OMX_GetState( \ | |
| hComponent, \ | |
| pState) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->GetState( \ | |
| hComponent, \ | |
| pState) /* Macro End */ | |
| /** The OMX_UseBuffer macro will request that the component use | |
| a buffer (and allocate its own buffer header) already allocated | |
| by another component, or by the IL Client. This is a blocking | |
| call. | |
| The component should return from this call within 20 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [out] ppBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure used to receive the | |
| pointer to the buffer header | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp buf | |
| */ | |
| #define OMX_UseBuffer( \ | |
| hComponent, \ | |
| ppBufferHdr, \ | |
| nPortIndex, \ | |
| pAppPrivate, \ | |
| nSizeBytes, \ | |
| pBuffer) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->UseBuffer( \ | |
| hComponent, \ | |
| ppBufferHdr, \ | |
| nPortIndex, \ | |
| pAppPrivate, \ | |
| nSizeBytes, \ | |
| pBuffer) | |
| /** The OMX_AllocateBuffer macro will request that the component allocate | |
| a new buffer and buffer header. The component will allocate the | |
| buffer and the buffer header and return a pointer to the buffer | |
| header. This is a blocking call. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [out] ppBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure used to receive | |
| the pointer to the buffer header | |
| @param [in] nPortIndex | |
| nPortIndex is used to select the port on the component the buffer will | |
| be used with. The port can be found by using the nPortIndex | |
| value as an index into the Port Definition array of the component. | |
| @param [in] pAppPrivate | |
| pAppPrivate is used to initialize the pAppPrivate member of the | |
| buffer header structure. | |
| @param [in] nSizeBytes | |
| size of the buffer to allocate. Used when bAllocateNew is true. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp buf | |
| */ | |
| #define OMX_AllocateBuffer( \ | |
| hComponent, \ | |
| ppBuffer, \ | |
| nPortIndex, \ | |
| pAppPrivate, \ | |
| nSizeBytes) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->AllocateBuffer( \ | |
| hComponent, \ | |
| ppBuffer, \ | |
| nPortIndex, \ | |
| pAppPrivate, \ | |
| nSizeBytes) /* Macro End */ | |
| /** The OMX_FreeBuffer macro will release a buffer header from the component | |
| which was allocated using either OMX_AllocateBuffer or OMX_UseBuffer. If | |
| the component allocated the buffer (see the OMX_UseBuffer macro) then | |
| the component shall free the buffer and buffer header. This is a | |
| blocking call. | |
| The component should return from this call within 20 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] nPortIndex | |
| nPortIndex is used to select the port on the component the buffer will | |
| be used with. | |
| @param [in] pBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer | |
| or AllocateBuffer. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp buf | |
| */ | |
| #define OMX_FreeBuffer( \ | |
| hComponent, \ | |
| nPortIndex, \ | |
| pBuffer) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->FreeBuffer( \ | |
| hComponent, \ | |
| nPortIndex, \ | |
| pBuffer) /* Macro End */ | |
| /** The OMX_EmptyThisBuffer macro will send a buffer full of data to an | |
| input port of a component. The buffer will be emptied by the component | |
| and returned to the application via the EmptyBufferDone call back. | |
| This is a non-blocking call in that the component will record the buffer | |
| and return immediately and then empty the buffer, later, at the proper | |
| time. As expected, this macro may be invoked only while the component | |
| is in the OMX_StateExecuting. If nPortIndex does not specify an input | |
| port, the component shall return an error. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] pBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer | |
| or AllocateBuffer. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp buf | |
| */ | |
| #define OMX_EmptyThisBuffer( \ | |
| hComponent, \ | |
| pBuffer) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->EmptyThisBuffer( \ | |
| hComponent, \ | |
| pBuffer) /* Macro End */ | |
| /** The OMX_FillThisBuffer macro will send an empty buffer to an | |
| output port of a component. The buffer will be filled by the component | |
| and returned to the application via the FillBufferDone call back. | |
| This is a non-blocking call in that the component will record the buffer | |
| and return immediately and then fill the buffer, later, at the proper | |
| time. As expected, this macro may be invoked only while the component | |
| is in the OMX_ExecutingState. If nPortIndex does not specify an output | |
| port, the component shall return an error. | |
| The component should return from this call within 5 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [in] pBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure allocated with UseBuffer | |
| or AllocateBuffer. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp buf | |
| */ | |
| #define OMX_FillThisBuffer( \ | |
| hComponent, \ | |
| pBuffer) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->FillThisBuffer( \ | |
| hComponent, \ | |
| pBuffer) /* Macro End */ | |
| /** The OMX_UseEGLImage macro will request that the component use | |
| a EGLImage provided by EGL (and allocate its own buffer header) | |
| This is a blocking call. | |
| The component should return from this call within 20 msec. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the OMX_GetHandle function. | |
| @param [out] ppBuffer | |
| pointer to an OMX_BUFFERHEADERTYPE structure used to receive the | |
| pointer to the buffer header. Note that the memory location used | |
| for this buffer is NOT visible to the IL Client. | |
| @param [in] nPortIndex | |
| nPortIndex is used to select the port on the component the buffer will | |
| be used with. The port can be found by using the nPortIndex | |
| value as an index into the Port Definition array of the component. | |
| @param [in] pAppPrivate | |
| pAppPrivate is used to initialize the pAppPrivate member of the | |
| buffer header structure. | |
| @param [in] eglImage | |
| eglImage contains the handle of the EGLImage to use as a buffer on the | |
| specified port. The component is expected to validate properties of | |
| the EGLImage against the configuration of the port to ensure the component | |
| can use the EGLImage as a buffer. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup comp buf | |
| */ | |
| #define OMX_UseEGLImage( \ | |
| hComponent, \ | |
| ppBufferHdr, \ | |
| nPortIndex, \ | |
| pAppPrivate, \ | |
| eglImage) \ | |
| ((OMX_COMPONENTTYPE*)hComponent)->UseEGLImage( \ | |
| hComponent, \ | |
| ppBufferHdr, \ | |
| nPortIndex, \ | |
| pAppPrivate, \ | |
| eglImage) | |
| /** The OMX_Init method is used to initialize the OMX core. It shall be the | |
| first call made into OMX and it should only be executed one time without | |
| an interviening OMX_Deinit call. | |
| The core should return from this call within 20 msec. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Init(void); | |
| /** The OMX_Deinit method is used to deinitialize the OMX core. It shall be | |
| the last call made into OMX. In the event that the core determines that | |
| thare are components loaded when this call is made, the core may return | |
| with an error rather than try to unload the components. | |
| The core should return from this call within 20 msec. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_Deinit(void); | |
| /** The OMX_ComponentNameEnum method will enumerate through all the names of | |
| recognised valid components in the system. This function is provided | |
| as a means to detect all the components in the system run-time. There is | |
| no strict ordering to the enumeration order of component names, although | |
| each name will only be enumerated once. If the OMX core supports run-time | |
| installation of new components, it is only requried to detect newly | |
| installed components when the first call to enumerate component names | |
| is made (i.e. when nIndex is 0x0). | |
| The core should return from this call in 20 msec. | |
| @param [out] cComponentName | |
| pointer to a null terminated string with the component name. The | |
| names of the components are strings less than 127 bytes in length | |
| plus the trailing null for a maximum size of 128 bytes. An example | |
| of a valid component name is "OMX.TI.AUDIO.DSP.MIXER\0". Names are | |
| assigned by the vendor, but shall start with "OMX." and then have | |
| the Vendor designation next. | |
| @param [in] nNameLength | |
| number of characters in the cComponentName string. With all | |
| component name strings restricted to less than 128 characters | |
| (including the trailing null) it is recomended that the caller | |
| provide a input string for the cComponentName of 128 characters. | |
| @param [in] nIndex | |
| number containing the enumeration index for the component. | |
| Multiple calls to OMX_ComponentNameEnum with increasing values | |
| of nIndex will enumerate through the component names in the | |
| system until OMX_ErrorNoMore is returned. The value of nIndex | |
| is 0 to (N-1), where N is the number of valid installed components | |
| in the system. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. When the value of nIndex exceeds the number of | |
| components in the system minus 1, OMX_ErrorNoMore will be | |
| returned. Otherwise the appropriate OMX error will be returned. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_ComponentNameEnum( | |
| OMX_OUT OMX_STRING cComponentName, | |
| OMX_IN OMX_U32 nNameLength, | |
| OMX_IN OMX_U32 nIndex); | |
| /** The OMX_GetHandle method will locate the component specified by the | |
| component name given, load that component into memory and then invoke | |
| the component's methods to create an instance of the component. | |
| The core should return from this call within 20 msec. | |
| @param [out] pHandle | |
| pointer to an OMX_HANDLETYPE pointer to be filled in by this method. | |
| @param [in] cComponentName | |
| pointer to a null terminated string with the component name. The | |
| names of the components are strings less than 127 bytes in length | |
| plus the trailing null for a maximum size of 128 bytes. An example | |
| of a valid component name is "OMX.TI.AUDIO.DSP.MIXER\0". Names are | |
| assigned by the vendor, but shall start with "OMX." and then have | |
| the Vendor designation next. | |
| @param [in] pAppData | |
| pointer to an application defined value that will be returned | |
| during callbacks so that the application can identify the source | |
| of the callback. | |
| @param [in] pCallBacks | |
| pointer to a OMX_CALLBACKTYPE structure that will be passed to the | |
| component to initialize it with. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_GetHandle( | |
| OMX_OUT OMX_HANDLETYPE* pHandle, | |
| OMX_IN OMX_STRING cComponentName, | |
| OMX_IN OMX_PTR pAppData, | |
| OMX_IN OMX_CALLBACKTYPE* pCallBacks); | |
| /** The OMX_FreeHandle method will free a handle allocated by the OMX_GetHandle | |
| method. If the component reference count goes to zero, the component will | |
| be unloaded from memory. | |
| The core should return from this call within 20 msec when the component is | |
| in the OMX_StateLoaded state. | |
| @param [in] hComponent | |
| Handle of the component to be accessed. This is the component | |
| handle returned by the call to the GetHandle function. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_FreeHandle( | |
| OMX_IN OMX_HANDLETYPE hComponent); | |
| /** The OMX_SetupTunnel method will handle the necessary calls to the components | |
| to setup the specified tunnel the two components. NOTE: This is | |
| an actual method (not a #define macro). This method will make calls into | |
| the component ComponentTunnelRequest method to do the actual tunnel | |
| connection. | |
| The ComponentTunnelRequest method on both components will be called. | |
| This method shall not be called unless the component is in the | |
| OMX_StateLoaded state except when the ports used for the tunnel are | |
| disabled. In this case, the component may be in the OMX_StateExecuting, | |
| OMX_StatePause, or OMX_StateIdle states. | |
| The core should return from this call within 20 msec. | |
| @param [in] hOutput | |
| Handle of the component to be accessed. Also this is the handle | |
| of the component whose port, specified in the nPortOutput parameter | |
| will be used the source for the tunnel. This is the component handle | |
| returned by the call to the OMX_GetHandle function. There is a | |
| requirement that hOutput be the source for the data when | |
| tunelling (i.e. nPortOutput is an output port). If 0x0, the component | |
| specified in hInput will have it's port specified in nPortInput | |
| setup for communication with the application / IL client. | |
| @param [in] nPortOutput | |
| nPortOutput is used to select the source port on component to be | |
| used in the tunnel. | |
| @param [in] hInput | |
| This is the component to setup the tunnel with. This is the handle | |
| of the component whose port, specified in the nPortInput parameter | |
| will be used the destination for the tunnel. This is the component handle | |
| returned by the call to the OMX_GetHandle function. There is a | |
| requirement that hInput be the destination for the data when | |
| tunelling (i.e. nPortInut is an input port). If 0x0, the component | |
| specified in hOutput will have it's port specified in nPortPOutput | |
| setup for communication with the application / IL client. | |
| @param [in] nPortInput | |
| nPortInput is used to select the destination port on component to be | |
| used in the tunnel. | |
| @return OMX_ERRORTYPE | |
| If the command successfully executes, the return code will be | |
| OMX_ErrorNone. Otherwise the appropriate OMX error will be returned. | |
| When OMX_ErrorNotImplemented is returned, one or both components is | |
| a non-interop component and does not support tunneling. | |
| On failure, the ports of both components are setup for communication | |
| with the application / IL Client. | |
| @ingroup core tun | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_APIENTRY OMX_SetupTunnel( | |
| OMX_IN OMX_HANDLETYPE hOutput, | |
| OMX_IN OMX_U32 nPortOutput, | |
| OMX_IN OMX_HANDLETYPE hInput, | |
| OMX_IN OMX_U32 nPortInput); | |
| /** @ingroup cp */ | |
| OMX_API OMX_ERRORTYPE OMX_GetContentPipe( | |
| OMX_OUT OMX_HANDLETYPE *hPipe, | |
| OMX_IN OMX_STRING szURI); | |
| /** The OMX_GetComponentsOfRole method will return the number of components that support the given | |
| role and (if the compNames field is non-NULL) the names of those components. The call will fail if | |
| an insufficiently sized array of names is supplied. To ensure the array is sufficiently sized the | |
| client should: | |
| * first call this function with the compNames field NULL to determine the number of component names | |
| * second call this function with the compNames field pointing to an array of names allocated | |
| according to the number returned by the first call. | |
| The core should return from this call within 5 msec. | |
| @param [in] role | |
| This is generic standard component name consisting only of component class | |
| name and the type within that class (e.g. 'audio_decoder.aac'). | |
| @param [inout] pNumComps | |
| This is used both as input and output. | |
| If compNames is NULL, the input is ignored and the output specifies how many components support | |
| the given role. | |
| If compNames is not NULL, on input it bounds the size of the input structure and | |
| on output, it specifies the number of components string names listed within the compNames parameter. | |
| @param [inout] compNames | |
| If NULL this field is ignored. If non-NULL this points to an array of 128-byte strings which accepts | |
| a list of the names of all physical components that implement the specified standard component name. | |
| Each name is NULL terminated. numComps indicates the number of names. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_GetComponentsOfRole ( | |
| OMX_IN OMX_STRING role, | |
| OMX_INOUT OMX_U32 *pNumComps, | |
| OMX_INOUT OMX_U8 **compNames); | |
| /** The OMX_GetRolesOfComponent method will return the number of roles supported by the given | |
| component and (if the roles field is non-NULL) the names of those roles. The call will fail if | |
| an insufficiently sized array of names is supplied. To ensure the array is sufficiently sized the | |
| client should: | |
| * first call this function with the roles field NULL to determine the number of role names | |
| * second call this function with the roles field pointing to an array of names allocated | |
| according to the number returned by the first call. | |
| The core should return from this call within 5 msec. | |
| @param [in] compName | |
| This is the name of the component being queried about. | |
| @param [inout] pNumRoles | |
| This is used both as input and output. | |
| If roles is NULL, the input is ignored and the output specifies how many roles the component supports. | |
| If compNames is not NULL, on input it bounds the size of the input structure and | |
| on output, it specifies the number of roles string names listed within the roles parameter. | |
| @param [out] roles | |
| If NULL this field is ignored. If non-NULL this points to an array of 128-byte strings | |
| which accepts a list of the names of all standard components roles implemented on the | |
| specified component name. numComps indicates the number of names. | |
| @ingroup core | |
| */ | |
| OMX_API OMX_ERRORTYPE OMX_GetRolesOfComponent ( | |
| OMX_IN OMX_STRING compName, | |
| OMX_INOUT OMX_U32 *pNumRoles, | |
| OMX_OUT OMX_U8 **roles); | |
| #ifdef __cplusplus | |
| } | |
| #endif /* __cplusplus */ | |
| #endif | |
| /* File EOF */ | |