IVIDDEC1_DynamicParams Struct Reference
[XDM IVIDDEC1 Video Decoder Interface]

This structure defines the codec parameters that can be modified after creation via control() calls. More...

#include <ividdec1.h>

Data Fields
XDAS_Int32	size
XDAS_Int32	decodeHeader
XDAS_Int32	displayWidth
XDAS_Int32	frameSkipMode
XDAS_Int32	frameOrder
XDAS_Int32	newFrameFlag
XDAS_Int32	mbDataFlag

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Detailed Description

This structure defines the codec parameters that can be modified after creation via control() calls.

Remarks:

It is not necessary that a given implementation support all dynamic parameters to be configurable at run time. If a particular algorithm does not support run-time updates to a parameter that the application is attempting to change at runtime, it may indicate this as an error.

This structure may be extended by individual codec implementations allowing customization with vendor specific parameters. The presence of vendor specific extensions will be detected by the value of the size parameter.

The size field must be correctly set by the caller. See http://tiexpressdsp.com/index.php?title=Extending_data_structures_in_xDM for more details.

See also:

IVIDDEC1_Fxns::control()

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Field Documentation

XDAS_Int32 IVIDDEC1_DynamicParams::size

Size of this structure in bytes. Because this structure can be extended, this field must be correctly set by the caller.

XDAS_Int32 IVIDDEC1_DynamicParams::decodeHeader

Decode entire access unit or only header.

Remarks:

This enumeration data type should not be used for storage, but rather only for its constant values.

This enumeration defines a base set of values. Algorithms which require proprietary enumeration values may define them - much like extended fields in base structures. These extended enums should be between XDM_CUSTOMENUMBASE and 0x7FFF.

See also:

XDM_CUSTOMENUMBASE

See also:

XDM_DecMode

XDAS_Int32 IVIDDEC1_DynamicParams::displayWidth

Pitch. If set to zero, use the decoded image width. Else, use given display width in pixels.

XDAS_Int32 IVIDDEC1_DynamicParams::frameSkipMode

Video frame skip features for video decoder.

Remarks:

This enumeration data type should not be used for storage, but rather only for its constant values.

This enumeration defines a base set of values. Algorithms which require proprietary enumeration values may define them - much like extended fields in base structures. These extended enums should be between XDM_CUSTOMENUMBASE and 0x7FFF.

See also:

XDM_CUSTOMENUMBASE

See also:

IVIDEO_FrameSkip

XDAS_Int32 IVIDDEC1_DynamicParams::frameOrder

Video decoder output frame order.

Remarks:

This enumeration data type should not be used for storage, but rather only for its constant values.

See also:

IVIDDEC1_DynamicParams::frameOrder

See also:

IVIDDEC1_FrameOrder

XDAS_Int32 IVIDDEC1_DynamicParams::newFrameFlag

Flag to indicate that the algorithm should start a new frame.

Remarks:

Valid values are XDAS_TRUE and XDAS_FALSE.

This is useful for error recovery, for example when the end of frame cannot be detected by the codec but is known to the application.

XDAS_Int32 IVIDDEC1_DynamicParams::mbDataFlag

Flag to indicate that the algorithm should generate MB Data in addition to decoding the data.

Remarks:

Valid values are XDAS_TRUE and XDAS_FALSE.

See also:

IVIDDEC1_OutArgs::mbDataBuf

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The documentation for this struct was generated from the following file:

• ividdec1.h