CaptureFrameSource  115 modules/superres/src/frame_source.cpp     void CaptureFrameSource::nextFrame(OutputArray _frame)
CaptureFrameSource  133 modules/superres/src/frame_source.cpp     class VideoFrameSource : public CaptureFrameSource
CaptureFrameSource  156 modules/superres/src/frame_source.cpp     class CameraFrameSource : public CaptureFrameSource