ILMDVRSink::SetBufferSize

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#include "ILMDVRSink.h"

C Syntax	HRESULT ILMDVRSink_SetBufferSize(pILMDVRSink, nFolderIndex, nFiles, fileSize)
C++ Syntax	HRESULT SetBufferSize(nFolderIndex, nFiles, fileSize)

ILMDVRSink *pILMDVRSink ;	/* pointer to an interface */
long nFolderIndex;	/* folder (0-based) index */
long nFiles;	/* number of allowed files */
double fileSize;	/* size of each file */

Sets the number of buffer (.LRC) files as well as the size per buffer file.

Parameter	Description
pILMDVRSink	Pointer to an ILMDVRSink interface.
nFolderIndex	The 0-based index of the desired buffer folder.
nFiles	The maximum number of .LRC files allowed to be created in this folder.
fileSize	The maximum file size (in bytes) of each individual .LRC file.

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

Sets the number of buffer (.LRC) files and the allowed size per buffer file for the specified buffer folder. For each buffer folder the following group of buffer files gets created:

.LBL (Lead Buffer List) file.
Several .LRC (Lead Recording Chunk) files.

The .LBL file specifies which .LRC files are used as underlying storage, as well as the playback range mapping information for each .LRC file.

Note:

Call ILMDVRSink::StartChangingAttributes prior to setting this property. Afterwards, call ILMDVRSink::StopChangingAttributes to complete the setting changes.

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.

Platforms

Win32, x64

See Also

Elements:	ILMDVRSink::GetBufferTotalSize, ILMDVRSink::GetStatus, ILMDVRSink::GetBufferInfo, ILMDVRSink::put_FolderCount, ILMDVRSink::get_FolderCount, ILMDVRSink::put_FolderName, ILMDVRSink::get_FolderName, ILMDVRSink::StartChangingAttributes
Topics:	Multimedia Function Group, DVR Function Groups, Introduction to the LEADTOOLS MPEG-2 Transport Module, DVR Component FAQs, LEAD DVR Sink Filter, Accessing the DVR Sink Object,How to Use the DVR Sink Object to Control Capture Buffer Settings (C++), How to Set Capture Buffers on More Than One Physical Disk, How to Copy Buffered DVR Data to a New File

Example

For a C example, refer to ILMDVRSink::SetBufferSize Example for C

For a C++ example, refer to ILMDVRSink::SetBufferSize Example for C++