diff options
Diffstat (limited to 'media/openmax_il/il112/OMX_Other.h')
| -rw-r--r-- | media/openmax_il/il112/OMX_Other.h | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/media/openmax_il/il112/OMX_Other.h b/media/openmax_il/il112/OMX_Other.h new file mode 100644 index 000000000..caf7f3844 --- /dev/null +++ b/media/openmax_il/il112/OMX_Other.h @@ -0,0 +1,337 @@ +/* + * 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. + * + */ + +/** @file OMX_Other.h - OpenMax IL version 1.1.2 + * 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_FormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ + OMX_OTHER_FormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ + 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_SeekModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ + OMX_TIME_SeekModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ + 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_IndexConfigTimeCurrentAudioReference and + * OMX_IndexConfigTimeCurrentVideoReference: 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_UpdateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ + OMX_TIME_UpdateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ + 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_RefClockKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ + OMX_TIME_RefClockVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ + 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_ClockStateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */ + OMX_TIME_ClockStateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */ + 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_CLOCKSTATETYPE’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. + * Note: this structure is listed for backwards compatibility. */ +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. + * Note: this structure is listed for backwards compatibility. */ +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 */ |