ILMDVRSource::GetBufferTotalSize

#include "ILMDVRSource.h"

C Syntax

HRESULT ILMDVRSource_GetBufferTotalSize(pILMDVRSource, nFolderIndex, uFlags, pnFiles, pnTotalFileSize)

C++ Syntax

HRESULT GetBufferTotalSize(nFolderIndex, uFlags, pnFiles, pnTotalFileSize)

ILMDVRSource *pILMDVRSource;

pointer to an interface

long nFolderIndex;

index of buffer folder

long uFlags;

flags

long * pnFiles;

pointer to the total number of files

double * pnTotalFileSize;

pointer to the total file size

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

Parameter

Description

pILMDVRSource

Pointer to an ILMDVRSource interface.

nFolderIndex

The index of the desired buffer folder.

uFlags

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

DVRGetTotalSize_Actual = 0x0000

DVRGetTotalSize_Allowed = 0x0001

pnFiles

Pointer to total number of files included in the buffer size calculation.

pnTotalFileSize

Pointer to 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.

Returns S_OK if successful; otherwise, returns a 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

ILMDVRSource

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 20.0.2018.12.3
Products | Support | Contact Us | Copyright Notices
© 1991-2018 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Multimedia C API Help