#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 */ |
Gets the total size or actual size of all of the buffer (.LRC) files for the specified buffer folder.
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. 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. |
Win32, x64
See Also
Example
For a C example, refer to ILMDVRSink::GetBufferTotalSize Example for C
For a C++ example, refer to ILMDVRSink::GetBufferTotalSize Example for C++