Sub BufferLoadFromFile( _
   ByVal _bsLine As String, _
   ByVal _bsFileName As String, _
   ByVal _lSamplesOffset As Integer, _
   ByVal _lSamplesLoad As Integer _
) 

void BufferLoadFromFile( 
   string _bsLine,
   string _bsFileName,
   int _lSamplesOffset,
   int _lSamplesLoad
)

procedure BufferLoadFromFile( 
    _bsLine: String;
    _bsFileName: String;
    _lSamplesOffset: Integer;
    _lSamplesLoad: Integer
); 

void BufferLoadFromFile( 
   BSTR* _bsLine,
   BSTR* _bsFileName,
   int _lSamplesOffset,
   int _lSamplesLoad
) 

Parameters

_bsLine

buffer's line

_bsFileName

full path to a source file

_lSamplesOffset

_lSamplesLoad

number of audio samples to be loaded. If _lSamplesLoad <= 0 then try to load whole file.

Reference

IMFAudioBuffer Interface
IMFAudioBuffer Members