IAVIStreaming::Begin method (vfw.h)

Article
02/22/2024

The Begin method prepares for the streaming operation. Called when an application uses the AVIStreamBeginStreaming function.

Syntax

HRESULT Begin(
  LONG lStart,
  LONG lEnd,
  LONG lRate
);

Parameters

lStart

Starting frame for streaming.

lEnd

Ending frame for streaming.

lRate

Speed at which the file is read relative to its normal playback rate. Normal speed is 1000. Larger values indicate faster speeds; smaller values indicate slower speeds.

Return value

Returns the HRESULT defined by OLE.

Remarks

For handlers written in C++, Begin has the following syntax:


HRESULT Begin(LONG lStart, LONG lEnd, LONG lRate);

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	vfw.h
Library	Vfw32.lib