#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.
Win32, x64
See Also
Example
For a C example, refer to Copying ltmmMediaType Attributes and Data for C.
For a C++ example, refer to Copying ltmmMediaType Attributes and Data for C++.