/* * Copyright (c) 2007 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. * */ /** @file OMX_Other.h - OpenMax IL version 1.1.1 * The structures needed by Other components to exchange * parameters and configuration data with the components. */ #ifndef OMX_Other_h #define OMX_Other_h #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ /* Each OMX header must 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_Core.h> /** * Enumeration of possible data types which match to multiple domains or no * domain at all. For types which are vendor specific, a value above * OMX_OTHER_VENDORTSTART should be used. */ typedef enum OMX_OTHER_FORMATTYPE { OMX_OTHER_FormatTime = 0, /**< Transmission of various timestamps, elapsed time, time deltas, etc */ OMX_OTHER_FormatPower, /**< Perhaps used for enabling/disabling power management, setting clocks? */ OMX_OTHER_FormatStats, /**< Could be things such as frame rate, frames dropped, etc */ OMX_OTHER_FormatBinary, /**< Arbitrary binary data */ OMX_OTHER_FormatVendorReserved = 1000, /**< Starting value for vendor specific formats */ OMX_OTHER_FormatMax = 0x7FFFFFFF } OMX_OTHER_FORMATTYPE; /** * Enumeration of seek modes. */ typedef enum OMX_TIME_SEEKMODETYPE { OMX_TIME_SeekModeFast = 0, /**< Prefer seeking to an approximation * of the requested seek position over * the actual seek position if it * results in a faster seek. */ OMX_TIME_SeekModeAccurate, /**< Prefer seeking to the actual seek * position over an approximation * of the requested seek position even * if it results in a slower seek. */ OMX_TIME_SeekModeMax = 0x7FFFFFFF } OMX_TIME_SEEKMODETYPE; /* Structure representing the seekmode of the component */ typedef struct OMX_TIME_CONFIG_SEEKMODETYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ OMX_TIME_SEEKMODETYPE eType; /**< The seek mode */ } OMX_TIME_CONFIG_SEEKMODETYPE; /** Structure representing a time stamp used with the following configs * on the Clock Component (CC): * * OMX_IndexConfigTimeCurrentWallTime: query of the CC�s current wall * time * OMX_IndexConfigTimeCurrentMediaTime: query of the CC�s current media * time * OMX_IndexConfigTimeAudioReferenceTime and * OMX_IndexConfigTimeVideoReferenceTime: audio/video reference * clock sending SC its reference time * OMX_IndexConfigTimeClientStartTime: a Clock Component client sends * this structure to the Clock Component via a SetConfig on its * client port when it receives a buffer with * OMX_BUFFERFLAG_STARTTIME set. It must use the timestamp * specified by that buffer for nStartTimestamp. * * It�s also used with the following config on components in general: * * OMX_IndexConfigTimePosition: IL client querying component position * (GetConfig) or commanding a component to seek to the given location * (SetConfig) */ typedef struct OMX_TIME_CONFIG_TIMESTAMPTYPE { 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_TICKS nTimestamp; /**< timestamp .*/ } OMX_TIME_CONFIG_TIMESTAMPTYPE; /** Enumeration of possible reference clocks to the media time. */ typedef enum OMX_TIME_UPDATETYPE { OMX_TIME_UpdateRequestFulfillment, /**< Update is the fulfillment of a media time request. */ OMX_TIME_UpdateScaleChanged, /**< Update was generated because the scale chagned. */ OMX_TIME_UpdateClockStateChanged, /**< Update was generated because the clock state changed. */ OMX_TIME_UpdateMax = 0x7FFFFFFF } OMX_TIME_UPDATETYPE; /** Enumeration of possible reference clocks to the media time. */ typedef enum OMX_TIME_REFCLOCKTYPE { OMX_TIME_RefClockNone, /**< Use no references. */ OMX_TIME_RefClockAudio, /**< Use references sent through OMX_IndexConfigTimeCurrentAudioReference */ OMX_TIME_RefClockVideo, /**< Use references sent through OMX_IndexConfigTimeCurrentVideoReference */ OMX_TIME_RefClockMax = 0x7FFFFFFF } OMX_TIME_REFCLOCKTYPE; /** Enumeration of clock states. */ typedef enum OMX_TIME_CLOCKSTATE { OMX_TIME_ClockStateRunning, /**< Clock running. */ OMX_TIME_ClockStateWaitingForStartTime, /**< Clock waiting until the * prescribed clients emit their * start time. */ OMX_TIME_ClockStateStopped, /**< Clock stopped. */ OMX_TIME_ClockStateMax = 0x7FFFFFFF } OMX_TIME_CLOCKSTATE; /** Structure representing a media time request to the clock component. * * A client component sends this structure to the Clock Component via a SetConfig * on its client port to specify a media timestamp the Clock Component * should emit. The Clock Component should fulfill the request by sending a * OMX_TIME_MEDIATIMETYPE when its media clock matches the requested * timestamp. * * The client may require a media time request be fulfilled slightly * earlier than the media time specified. In this case the client specifies * an offset which is equal to the difference between wall time corresponding * to the requested media time and the wall time when it will be * fulfilled. * * A client component may uses these requests and the OMX_TIME_MEDIATIMETYPE to * time events according to timestamps. If a client must perform an operation O at * a time T (e.g. deliver a video frame at its corresponding timestamp), it makes a * media time request at T (perhaps specifying an offset to ensure the request fulfillment * is a little early). When the clock component passes the resulting OMX_TIME_MEDIATIMETYPE * structure back to the client component, the client may perform operation O (perhaps having * to wait a slight amount more time itself as specified by the return values). */ typedef struct OMX_TIME_CONFIG_MEDIATIMEREQUESTTYPE { 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_PTR pClientPrivate; /**< Client private data to disabiguate this media time * from others (e.g. the number of the frame to deliver). * Duplicated in the media time structure that fulfills * this request. A value of zero is reserved for time scale * updates. */ OMX_TICKS nMediaTimestamp; /**< Media timestamp requested.*/ OMX_TICKS nOffset; /**< Amount of wall clock time by which this * request should be fulfilled early */ } OMX_TIME_CONFIG_MEDIATIMEREQUESTTYPE; /**< Structure sent from the clock component client either when fulfilling * a media time request or when the time scale has changed. * * In the former case the Clock Component fills this structure and times its emission * to a client component (via the client port) according to the corresponding media * time request sent by the client. The Clock Component should time the emission to occur * when the requested timestamp matches the Clock Component's media time but also the * prescribed offset early. * * Upon scale changes the clock component clears the nClientPrivate data, sends the current * media time and sets the nScale to the new scale via the client port. It emits a * OMX_TIME_MEDIATIMETYPE to all clients independent of any requests. This allows clients to * alter processing to accomodate scaling. For instance a video component might skip inter-frames * in the case of extreme fastforward. Likewise an audio component might add or remove samples * from an audio frame to scale audio data. * * It is expected that some clock components may not be able to fulfill requests * at exactly the prescribed time. This is acceptable so long as the request is * fulfilled at least as early as described and not later. This structure provides * fields the client may use to wait for the remaining time. * * The client may use either the nOffset or nWallTimeAtMedia fields to determine the * wall time until the nMediaTimestamp actually occurs. In the latter case the * client can get a more accurate value for offset by getting the current wall * from the cloc component and subtracting it from nWallTimeAtMedia. */ typedef struct OMX_TIME_MEDIATIMETYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ OMX_U32 nClientPrivate; /**< Client private data to disabiguate this media time * from others. Copied from the media time request. * A value of zero is reserved for time scale updates. */ OMX_TIME_UPDATETYPE eUpdateType; /**< Reason for the update */ OMX_TICKS nMediaTimestamp; /**< Media time requested. If no media time was * requested then this is the current media time. */ OMX_TICKS nOffset; /**< Amount of wall clock time by which this * request was actually fulfilled early */ OMX_TICKS nWallTimeAtMediaTime; /**< Wall time corresponding to nMediaTimeStamp. * A client may compare this value to current * media time obtained from the Clock Component to determine * the wall time until the media timestamp is really * current. */ OMX_S32 xScale; /**< Current media time scale in Q16 format. */ OMX_TIME_CLOCKSTATE eState; /* Seeking Change. Added 7/12.*/ /**< State of the media time. */ } OMX_TIME_MEDIATIMETYPE; /** Structure representing the current media time scale factor. Applicable only to clock * component, other components see scale changes via OMX_TIME_MEDIATIMETYPE buffers sent via * the clock component client ports. Upon recieving this config the clock component changes * the rate by which the media time increases or decreases effectively implementing trick modes. */ typedef struct OMX_TIME_CONFIG_SCALETYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ OMX_S32 xScale; /**< This is a value in Q16 format which is used for * scaling the media time */ } OMX_TIME_CONFIG_SCALETYPE; /** Bits used to identify a clock port. Used in OMX_TIME_CONFIG�s nWaitMask field */ #define OMX_CLOCKPORT0 0x00000001 #define OMX_CLOCKPORT1 0x00000002 #define OMX_CLOCKPORT2 0x00000004 #define OMX_CLOCKPORT3 0x00000008 #define OMX_CLOCKPORT4 0x00000010 #define OMX_CLOCKPORT5 0x00000020 #define OMX_CLOCKPORT6 0x00000040 #define OMX_CLOCKPORT7 0x00000080 /** Structure representing the current mode of the media clock. * IL Client uses this config to change or query the mode of the * media clock of the clock component. Applicable only to clock * component. * * On a SetConfig if eState is OMX_TIME_ClockStateRunning media time * starts immediately at the prescribed start time. If * OMX_TIME_ClockStateWaitingForStartTime the Clock Component ignores * the given nStartTime and waits for all clients specified in the * nWaitMask to send starttimes (via * OMX_IndexConfigTimeClientStartTime). The Clock Component then starts * the media clock using the earliest start time supplied. */ typedef struct OMX_TIME_CONFIG_CLOCKSTATETYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version * information */ OMX_TIME_CLOCKSTATE eState; /**< State of the media time. */ OMX_TICKS nStartTime; /**< Start time of the media time. */ OMX_TICKS nOffset; /**< Time to offset the media time by * (e.g. preroll). Media time will be * reported to be nOffset ticks earlier. */ OMX_U32 nWaitMask; /**< Mask of OMX_CLOCKPORT values. */ } OMX_TIME_CONFIG_CLOCKSTATETYPE; /** Structure representing the reference clock currently being used to * compute media time. IL client uses this config to change or query the * clock component's active reference clock */ typedef struct OMX_TIME_CONFIG_ACTIVEREFCLOCKTYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ OMX_TIME_REFCLOCKTYPE eClock; /**< Reference clock used to compute media time */ } OMX_TIME_CONFIG_ACTIVEREFCLOCKTYPE; /** Descriptor for setting specifics of power type. */ typedef struct OMX_OTHER_CONFIG_POWERTYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ OMX_BOOL bEnablePM; /**< Flag to enable Power Management */ } OMX_OTHER_CONFIG_POWERTYPE; /** Descriptor for setting specifics of stats type. */ typedef struct OMX_OTHER_CONFIG_STATSTYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ /* what goes here */ } OMX_OTHER_CONFIG_STATSTYPE; /** * The PortDefinition structure is used to define all of the parameters * necessary for the compliant component to setup an input or an output other * path. */ typedef struct OMX_OTHER_PORTDEFINITIONTYPE { OMX_OTHER_FORMATTYPE eFormat; /**< Type of data expected for this channel */ } OMX_OTHER_PORTDEFINITIONTYPE; /** Port format parameter. This structure is used to enumerate * the various data input/output format supported by the port. */ typedef struct OMX_OTHER_PARAM_PORTFORMATTYPE { OMX_U32 nSize; /**< size of the structure in bytes */ OMX_VERSIONTYPE nVersion; /**< OMX specification version information */ OMX_U32 nPortIndex; /**< Indicates which port to set */ OMX_U32 nIndex; /**< Indicates the enumeration index for the format from 0x0 to N-1 */ OMX_OTHER_FORMATTYPE eFormat; /**< Type of data expected for this channel */ } OMX_OTHER_PARAM_PORTFORMATTYPE; #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* File EOF */