次の方法で共有


CBaseRenderer::OnReceiveFirstSample (Windows Embedded CE 6.0)

1/6/2010

Provides derived classes with an opportunity to render static data.

Syntax

virtual void OnReceiveFirstSample(
  IMediaSample* pMediaSample
);

Parameters

  • pMediaSample
    Media sample.

Return Value

None.

Remarks

This member function is unimplemented.

It is primarily used by video renderers. When they receive their first sample while paused, they typically draw the frame as a poster image. This virtual method is called by the base classes when the first sample arrives.

Requirements

Windows Embedded CE Windows CE 2.12 and later
Note Microsoft DirectShow applications and DirectShow filters have different include file and Library requirements
For more information, see Setting Up the Build Environment, Version 2.12 requires DXPAK 1.0 or later

See Also

Reference

CBaseRenderer Class