IltmmMediaTypeDisp::get_TemporalCompression

Summary

Determines whether samples are compressed using temporal (interframe) compression.

Syntax

#include "ltmm.h"

Language Syntax
C HRESULT IltmmMediaTypeDisp_get_TemporalCompression(pMediaTypeDisp, pVal)
C++ HRESULT get_TemporalCompression(pVal)

Parameters

IltmmMediaTypeDisp *pMediaTypeDisp

Pointer to an IltmmMediaTypeDisp interface.

VARIANT_BOOL *pVal

Pointer to a variable that indicates whether the samples are compressed using temporal compression. Possible values are:

Value Meaning
VARIANT_TRUE The samples are compressed using temporal compression.
VARIANT_FALSE The samples are not compressed using temporal compression.

Returns

Value Meaning
S_OK The function was successful.
<> S_OK An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

A value of VARIANT_TRUE indicates that not all frames are key frames.

Platforms

Win32, x64.

See Also

Functions

Topics

Example

Language Example
C Copying ltmmMediaType Attributes and Data
C++ Copying ltmmMediaType Attributes and Data
Help Version 23.0.2024.2.29
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LEADTOOLS Multimedia C API Help
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.