GstVideoSinkClass.showFrame

render a video frame. Maps to #GstBaseSinkClass.render() and #GstBaseSinkClass.preroll() vfuncs. Rendering during preroll will be suppressed if the #GstVideoSink:show-preroll-frame property is set to false.

struct GstVideoSinkClass
extern (C)
GstFlowReturn function(GstVideoSink* videoSink, GstBuffer* buf) showFrame;