IltmmDVDControl::GetGPRM

Summary

Retrieves the GPRM (general parameter registers) value at the specified index.

Syntax

#include "ltmm.h"

C Syntax

HRESULT IltmmDVDControl_getGPRM(pDVD, index, pVal)

C++ Syntax

HRESULT GetGPRM(index, pVal)

IltmmDVDControl *pDVD;

pointer to an interface

long index;

index

long *pVal;

pointer to a variable

Parameter

Description

pDVD

Pointer to an IltmmDVDControl interface.

index

Index of the GPRM value to retrieve. Possible values range from 0 to 15.

pVal

Pointer to a variable that receives the GPRM value at the specified index.

Returns

S_OK

The function ran successfully.

<> S_OK

An error occurred. Refer to the Error Codes or the HRESULT error codes in the DirectShow documentation.

Comments

To set the value of the general parameter register at a specific index, call IltmmDVDControl::SetGPRM.

Call IltmmDVDControl::GetSPRM to retrieve the current contents of the system parameter register (SPRM) at a specific index.

For more detailed information, refer to the Microsoft documentation for IDvdInfo2::GetAllGPRMs.

Required DLLs and Libraries

LTMM

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64

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© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.