#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. 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. |
Win32, x64
See Also
Example
For a C example, refer to ILMDVRSource::GetBufferTotalSize Example For C
For a C++ example, refer to ILMDVRSource::GetBufferTotalSize Example For C++