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ILMDVRSource::GetBufferTotalSize

Summary

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

Syntax

#include "ILMDVRSource.h"

Language	Syntax
C	HRESULT ILMDVRSource_GetBufferTotalSize(pILMDVRSource, nFolderIndex, uFlags, pnFiles, pnTotalFileSize)
C++	HRESULT GetBufferTotalSize(nFolderIndex, uFlags, pnFiles, pnTotalFileSize)

Parameters

ILMDVRSource *pILMDVRSource

Pointer to an ILMDVRSource interface.

long nFolderIndex

The index of the desired buffer folder.

long uFlags

The flag specifying how to calculate the total size. Possible values are:

DVRGetTotalSize_Actual = 0x0000
DVRGetTotalSize_Allowed = 0x0001

long *pnFiles

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

double *pnTotalFileSize

Pointer to the total calculated buffer file size.

Returns

Value	Meaning
S_OK	The function was successful.
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.
Otherwise	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.