IltmmMediaTypeDisp::get_TemporalCompression

#include "ltmm.h"

C Syntax

HRESULT IltmmMediaTypeDisp_get_TemporalCompression(pMediaTypeDisp, pVal)

C++ Syntax

HRESULT get_TemporalCompression(pVal)

IltmmMediaTypeDisp *pMediaTypeDisp;

pointer to an interface

VARIANT_BOOL *pVal;

pointer to a variable

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

Parameter Description
pMediaTypeDisp Pointer to an IltmmMediaTypeDisp interface.
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

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

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