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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"

Language	Syntax
C	HRESULT ILMDVRSink_GetBufferTotalSize(pILMDVRSink, nFolderIndex, uFlags, pnFiles, pnTotalFileSize)
C++	HRESULT GetBufferTotalSize(nFolderIndex, uFlags, pnFiles, pnTotalFileSize)

Parameters

ILMDVRSink *pILMDVRSink

Pointer to an ILMDVRSink interface.

long nFolderIndex

The 0-based index of the desired buffer folder.

long uFlags

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

DVRGetTotalSize_Actual = 0x0000
DVRGetTotalSize_Allowed = 0x0001

long *pnFiles

Total number of files included in the buffer size calculation.

double *pnTotalFileSize

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.
<>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.