Enum DecklinkSingleFieldOutputForSynchronousFrames

Namespace

VisioForge.Core.Types.Decklink

Assembly

VisioForge.Core.dll

Controls single field output behavior for synchronous frame display during editing and frame-accurate preview.

public enum DecklinkSingleFieldOutputForSynchronousFrames

Fields

Default = 0

Uses the default behavior configured in the Decklink hardware or driver settings.

Enabled = 1

Enables single field output during pause, displaying only one field to eliminate interlace flicker.

When enabled, only the dominant field (typically the upper/odd field) is displayed during pause mode, providing a cleaner image for editing decisions. This matches the behavior of professional edit controllers and broadcast monitors in "field freeze" mode.

Disabled = 2

Disables single field output, always displaying both fields even when paused.

With this setting, both interlaced fields are shown during pause, which may cause visible flicker or "combing" artifacts on moving subjects. This might be preferred when checking for field order issues or examining interlace artifacts.

Remarks

In professional broadcast video editing, interlaced material can exhibit flicker when paused or stepped through frame-by-frame. This occurs because interlaced video consists of two fields (odd and even scan lines) captured at different moments in time, causing motion artifacts when both fields are displayed simultaneously in pause mode.

This setting allows editors to view cleaner, flicker-free frames during precision editing work by displaying only one field instead of both. This is particularly useful for: - Frame-accurate editing and trimming - Color grading and correction work - Visual effects compositing - Quality control and review sessions

Important: This setting only affects paused playback and frame-stepping operations. During normal real-time playback or when printing to tape, both fields are always output correctly to maintain broadcast standards compliance.