355 lines
18 KiB
C
355 lines
18 KiB
C
/* ------------------------------------------------------------------
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* Copyright (C) 1998-2009 PacketVideo
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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* -------------------------------------------------------------------
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*/
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/*
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* Copyright (c) 2008 The Khronos Group Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/** @file OMX_Other.h - OpenMax IL version 1.1.2
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* The structures needed by Other components to exchange
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* parameters and configuration data with the components.
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*/
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#ifndef OMX_Other_h
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#define OMX_Other_h
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* Each OMX header must include all required header files to allow the
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* header to compile without errors. The includes below are required
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* for this header file to compile successfully
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*/
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#include <OMX_Core.h>
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/**
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* Enumeration of possible data types which match to multiple domains or no
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* domain at all. For types which are vendor specific, a value above
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* OMX_OTHER_VENDORTSTART should be used.
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*/
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typedef enum OMX_OTHER_FORMATTYPE {
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OMX_OTHER_FormatTime = 0, /**< Transmission of various timestamps, elapsed time,
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time deltas, etc */
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OMX_OTHER_FormatPower, /**< Perhaps used for enabling/disabling power
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management, setting clocks? */
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OMX_OTHER_FormatStats, /**< Could be things such as frame rate, frames
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dropped, etc */
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OMX_OTHER_FormatBinary, /**< Arbitrary binary data */
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OMX_OTHER_FormatVendorReserved = 1000, /**< Starting value for vendor specific
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formats */
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OMX_OTHER_FormatKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
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OMX_OTHER_FormatVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
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OMX_OTHER_FormatMax = 0x7FFFFFFF
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} OMX_OTHER_FORMATTYPE;
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/**
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* Enumeration of seek modes.
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*/
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typedef enum OMX_TIME_SEEKMODETYPE {
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OMX_TIME_SeekModeFast = 0, /**< Prefer seeking to an approximation
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* of the requested seek position over
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* the actual seek position if it
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* results in a faster seek. */
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OMX_TIME_SeekModeAccurate, /**< Prefer seeking to the actual seek
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* position over an approximation
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* of the requested seek position even
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* if it results in a slower seek. */
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OMX_TIME_SeekModeKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
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OMX_TIME_SeekModeVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
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OMX_TIME_SeekModeMax = 0x7FFFFFFF
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} OMX_TIME_SEEKMODETYPE;
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/* Structure representing the seekmode of the component */
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typedef struct OMX_TIME_CONFIG_SEEKMODETYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_TIME_SEEKMODETYPE eType; /**< The seek mode */
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} OMX_TIME_CONFIG_SEEKMODETYPE;
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/** Structure representing a time stamp used with the following configs
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* on the Clock Component (CC):
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*
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* OMX_IndexConfigTimeCurrentWallTime: query of the CC's current wall
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* time
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* OMX_IndexConfigTimeCurrentMediaTime: query of the CC's current media
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* time
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* OMX_IndexConfigTimeCurrentAudioReference and
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* OMX_IndexConfigTimeCurrentVideoReference: audio/video reference
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* clock sending SC its reference time
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* OMX_IndexConfigTimeClientStartTime: a Clock Component client sends
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* this structure to the Clock Component via a SetConfig on its
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* client port when it receives a buffer with
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* OMX_BUFFERFLAG_STARTTIME set. It must use the timestamp
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* specified by that buffer for nStartTimestamp.
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*
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* It's also used with the following config on components in general:
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*
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* OMX_IndexConfigTimePosition: IL client querying component position
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* (GetConfig) or commanding a component to seek to the given location
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* (SetConfig)
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*/
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typedef struct OMX_TIME_CONFIG_TIMESTAMPTYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version
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* information */
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OMX_U32 nPortIndex; /**< port that this structure applies to */
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OMX_TICKS nTimestamp; /**< timestamp .*/
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} OMX_TIME_CONFIG_TIMESTAMPTYPE;
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/** Enumeration of possible reference clocks to the media time. */
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typedef enum OMX_TIME_UPDATETYPE {
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OMX_TIME_UpdateRequestFulfillment, /**< Update is the fulfillment of a media time request. */
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OMX_TIME_UpdateScaleChanged, /**< Update was generated because the scale chagned. */
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OMX_TIME_UpdateClockStateChanged, /**< Update was generated because the clock state changed. */
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OMX_TIME_UpdateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
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OMX_TIME_UpdateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
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OMX_TIME_UpdateMax = 0x7FFFFFFF
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} OMX_TIME_UPDATETYPE;
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/** Enumeration of possible reference clocks to the media time. */
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typedef enum OMX_TIME_REFCLOCKTYPE {
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OMX_TIME_RefClockNone, /**< Use no references. */
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OMX_TIME_RefClockAudio, /**< Use references sent through OMX_IndexConfigTimeCurrentAudioReference */
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OMX_TIME_RefClockVideo, /**< Use references sent through OMX_IndexConfigTimeCurrentVideoReference */
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OMX_TIME_RefClockKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
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OMX_TIME_RefClockVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
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OMX_TIME_RefClockMax = 0x7FFFFFFF
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} OMX_TIME_REFCLOCKTYPE;
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/** Enumeration of clock states. */
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typedef enum OMX_TIME_CLOCKSTATE {
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OMX_TIME_ClockStateRunning, /**< Clock running. */
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OMX_TIME_ClockStateWaitingForStartTime, /**< Clock waiting until the
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* prescribed clients emit their
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* start time. */
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OMX_TIME_ClockStateStopped, /**< Clock stopped. */
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OMX_TIME_ClockStateKhronosExtensions = 0x6F000000, /**< Reserved region for introducing Khronos Standard Extensions */
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OMX_TIME_ClockStateVendorStartUnused = 0x7F000000, /**< Reserved region for introducing Vendor Extensions */
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OMX_TIME_ClockStateMax = 0x7FFFFFFF
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} OMX_TIME_CLOCKSTATE;
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/** Structure representing a media time request to the clock component.
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*
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* A client component sends this structure to the Clock Component via a SetConfig
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* on its client port to specify a media timestamp the Clock Component
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* should emit. The Clock Component should fulfill the request by sending a
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* OMX_TIME_MEDIATIMETYPE when its media clock matches the requested
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* timestamp.
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*
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* The client may require a media time request be fulfilled slightly
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* earlier than the media time specified. In this case the client specifies
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* an offset which is equal to the difference between wall time corresponding
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* to the requested media time and the wall time when it will be
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* fulfilled.
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*
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* A client component may uses these requests and the OMX_TIME_MEDIATIMETYPE to
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* time events according to timestamps. If a client must perform an operation O at
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* a time T (e.g. deliver a video frame at its corresponding timestamp), it makes a
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* media time request at T (perhaps specifying an offset to ensure the request fulfillment
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* is a little early). When the clock component passes the resulting OMX_TIME_MEDIATIMETYPE
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* structure back to the client component, the client may perform operation O (perhaps having
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* to wait a slight amount more time itself as specified by the return values).
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*/
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typedef struct OMX_TIME_CONFIG_MEDIATIMEREQUESTTYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_U32 nPortIndex; /**< port that this structure applies to */
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OMX_PTR pClientPrivate; /**< Client private data to disabiguate this media time
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* from others (e.g. the number of the frame to deliver).
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* Duplicated in the media time structure that fulfills
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* this request. A value of zero is reserved for time scale
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* updates. */
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OMX_TICKS nMediaTimestamp; /**< Media timestamp requested.*/
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OMX_TICKS nOffset; /**< Amount of wall clock time by which this
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* request should be fulfilled early */
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} OMX_TIME_CONFIG_MEDIATIMEREQUESTTYPE;
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/**< Structure sent from the clock component client either when fulfilling
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* a media time request or when the time scale has changed.
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*
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* In the former case the Clock Component fills this structure and times its emission
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* to a client component (via the client port) according to the corresponding media
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* time request sent by the client. The Clock Component should time the emission to occur
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* when the requested timestamp matches the Clock Component's media time but also the
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* prescribed offset early.
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*
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* Upon scale changes the clock component clears the nClientPrivate data, sends the current
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* media time and sets the nScale to the new scale via the client port. It emits a
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* OMX_TIME_MEDIATIMETYPE to all clients independent of any requests. This allows clients to
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* alter processing to accomodate scaling. For instance a video component might skip inter-frames
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* in the case of extreme fastforward. Likewise an audio component might add or remove samples
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* from an audio frame to scale audio data.
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*
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* It is expected that some clock components may not be able to fulfill requests
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* at exactly the prescribed time. This is acceptable so long as the request is
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* fulfilled at least as early as described and not later. This structure provides
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* fields the client may use to wait for the remaining time.
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*
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* The client may use either the nOffset or nWallTimeAtMedia fields to determine the
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* wall time until the nMediaTimestamp actually occurs. In the latter case the
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* client can get a more accurate value for offset by getting the current wall
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* from the cloc component and subtracting it from nWallTimeAtMedia.
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*/
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typedef struct OMX_TIME_MEDIATIMETYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_U32 nClientPrivate; /**< Client private data to disabiguate this media time
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* from others. Copied from the media time request.
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* A value of zero is reserved for time scale updates. */
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OMX_TIME_UPDATETYPE eUpdateType; /**< Reason for the update */
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OMX_TICKS nMediaTimestamp; /**< Media time requested. If no media time was
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* requested then this is the current media time. */
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OMX_TICKS nOffset; /**< Amount of wall clock time by which this
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* request was actually fulfilled early */
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OMX_TICKS nWallTimeAtMediaTime; /**< Wall time corresponding to nMediaTimeStamp.
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* A client may compare this value to current
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* media time obtained from the Clock Component to determine
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* the wall time until the media timestamp is really
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* current. */
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OMX_S32 xScale; /**< Current media time scale in Q16 format. */
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OMX_TIME_CLOCKSTATE eState; /* Seeking Change. Added 7/12.*/
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/**< State of the media time. */
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} OMX_TIME_MEDIATIMETYPE;
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/** Structure representing the current media time scale factor. Applicable only to clock
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* component, other components see scale changes via OMX_TIME_MEDIATIMETYPE buffers sent via
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* the clock component client ports. Upon recieving this config the clock component changes
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* the rate by which the media time increases or decreases effectively implementing trick modes.
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*/
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typedef struct OMX_TIME_CONFIG_SCALETYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_S32 xScale; /**< This is a value in Q16 format which is used for
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* scaling the media time */
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} OMX_TIME_CONFIG_SCALETYPE;
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/** Bits used to identify a clock port. Used in OMX_TIME_CONFIG_CLOCKSTATETYPE's nWaitMask field */
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#define OMX_CLOCKPORT0 0x00000001
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#define OMX_CLOCKPORT1 0x00000002
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#define OMX_CLOCKPORT2 0x00000004
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#define OMX_CLOCKPORT3 0x00000008
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#define OMX_CLOCKPORT4 0x00000010
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#define OMX_CLOCKPORT5 0x00000020
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#define OMX_CLOCKPORT6 0x00000040
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#define OMX_CLOCKPORT7 0x00000080
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/** Structure representing the current mode of the media clock.
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* IL Client uses this config to change or query the mode of the
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* media clock of the clock component. Applicable only to clock
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* component.
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*
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* On a SetConfig if eState is OMX_TIME_ClockStateRunning media time
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* starts immediately at the prescribed start time. If
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* OMX_TIME_ClockStateWaitingForStartTime the Clock Component ignores
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* the given nStartTime and waits for all clients specified in the
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* nWaitMask to send starttimes (via
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* OMX_IndexConfigTimeClientStartTime). The Clock Component then starts
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* the media clock using the earliest start time supplied. */
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typedef struct OMX_TIME_CONFIG_CLOCKSTATETYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version
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* information */
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OMX_TIME_CLOCKSTATE eState; /**< State of the media time. */
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OMX_TICKS nStartTime; /**< Start time of the media time. */
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OMX_TICKS nOffset; /**< Time to offset the media time by
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* (e.g. preroll). Media time will be
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* reported to be nOffset ticks earlier.
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*/
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OMX_U32 nWaitMask; /**< Mask of OMX_CLOCKPORT values. */
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} OMX_TIME_CONFIG_CLOCKSTATETYPE;
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/** Structure representing the reference clock currently being used to
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* compute media time. IL client uses this config to change or query the
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* clock component's active reference clock */
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typedef struct OMX_TIME_CONFIG_ACTIVEREFCLOCKTYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_TIME_REFCLOCKTYPE eClock; /**< Reference clock used to compute media time */
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} OMX_TIME_CONFIG_ACTIVEREFCLOCKTYPE;
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/** Descriptor for setting specifics of power type.
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* Note: this structure is listed for backwards compatibility. */
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typedef struct OMX_OTHER_CONFIG_POWERTYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_BOOL bEnablePM; /**< Flag to enable Power Management */
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} OMX_OTHER_CONFIG_POWERTYPE;
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/** Descriptor for setting specifics of stats type.
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* Note: this structure is listed for backwards compatibility. */
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typedef struct OMX_OTHER_CONFIG_STATSTYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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/* what goes here */
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} OMX_OTHER_CONFIG_STATSTYPE;
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/**
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* The PortDefinition structure is used to define all of the parameters
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* necessary for the compliant component to setup an input or an output other
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* path.
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*/
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typedef struct OMX_OTHER_PORTDEFINITIONTYPE {
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OMX_OTHER_FORMATTYPE eFormat; /**< Type of data expected for this channel */
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} OMX_OTHER_PORTDEFINITIONTYPE;
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/** Port format parameter. This structure is used to enumerate
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* the various data input/output format supported by the port.
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*/
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typedef struct OMX_OTHER_PARAM_PORTFORMATTYPE {
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OMX_U32 nSize; /**< size of the structure in bytes */
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OMX_VERSIONTYPE nVersion; /**< OMX specification version information */
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OMX_U32 nPortIndex; /**< Indicates which port to set */
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OMX_U32 nIndex; /**< Indicates the enumeration index for the format from 0x0 to N-1 */
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OMX_OTHER_FORMATTYPE eFormat; /**< Type of data expected for this channel */
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} OMX_OTHER_PARAM_PORTFORMATTYPE;
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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/* File EOF */
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