ILMDVRSink::GetBufferTotalSize

Summary

Gets the total size or actual size of all of the buffer (.LRC) files for the specified buffer folder.

Syntax

#include "ILMDVRSink.h"

C Syntax

HRESULT ILMDVRSink_GetBufferTotalSize(pILMDVRSink, nFolderIndex, uFlags, pnFiles, pnTotalFileSize)

C++ Syntax

HRESULT GetBufferTotalSize(nFolderIndex, uFlags, pnFiles, pnTotalFileSize)

ILMDVRSink *pILMDVRSink ;

pointer to an interface

long nFolderIndex;

0-based index of buffer location

long uFlags;

flags

long * pnFiles;

pointer to total number of files

double * pnTotalFileSize;

pointer to total file size

Parameter

Description

pILMDVRSink

Pointer to an ILMDVRSink interface.

nFolderIndex

The 0-based index of the desired buffer folder.

uFlags

Flag specifying how to calculate the total size.
Values can be:

DVRGetTotalSize_Actual = 0x0000

DVRGetTotalSize_Allowed = 0x0001

pnFiles

Total number of files included in the buffer size calculation.

pnTotalFileSize

The total calculated buffer file size.

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

Pass the DVRGetTotalSize_Allowed flag value to request the total allowable buffer file size OR pass the DVRGetTotalSize_Actual flag value to request the actual used total file size.

S_OK if successful, otherwise a return code indicating the reason for failure:

E_UNEXPECTED = Starting offset not found.

DISP_E_BADINDEX = Index supplied is outside the range of currently valid indexes.

LTMM_E_DVR_NO_RECORDINGS = No .LRC recording files exist.

E_INVALIDARG = Either the number of files or file size specified is not valid.

Required DLLs and Libraries

LMDVRSink

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

Help Version 22.0.2022.8.22
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© 1991-2022 LEAD Technologies, Inc. All Rights Reserved.