SDI Output

Route video output from OmniScope to external SDI monitors using Blackmagic Design DeckLink or UltraStudio devices. OmniScope automatically detects all available SDI output devices.

SDI Output settings

Output Modes

Mode
Description

Source

Pass through the selected input signal directly to the SDI output. When multiple sources are connected, select which one to output.

All Scopes

Send the full OmniScope interface — all scopes, overlays, and UI elements — to the SDI output. Useful for remote monitoring and review sessions.

Settings

Quality & Format

Setting
Description

High resolution

Output at maximum resolution instead of matching the scope layout size.

Signal quality

Choose between 8-bit, 10-bit, or 16-bit output depending on the connected device's capabilities.

Pixel format

Select the YCbCr format (YUY2, UYVY) or RGB format for the output signal.

Signal range

Video (limited) or Full range.

Scaling

Scale the output to 100%, 75%, 50%, or 25% of the source resolution.

Source Options

These settings are available in Source mode only:

Setting
Description

Apply input settings

Apply color correction and other input adjustments to the output signal.

Burn-in frame number

Overlay the current frame number on the output.

Audio

Enable or disable audio pass-through to the SDI output. Audio is supported at 48 kHz (16-bit integer and 32-bit float).

Advanced

Setting
Description

Release device when backgrounded

Free the DeckLink device when OmniScope is not in the foreground, allowing other applications to use it. Experimental.

Supported Formats

Pixel Formats

Format
Bit Depth
Type

YUY2 / UYVY

8-bit

YCbCr 4:2:2 packed

RGB8U / BGR8U

8-bit

RGB

P010

10-bit

YUV 4:2:0 (macOS Metal GPU-accelerated)

YUV420P10LE

10-bit

YUV 4:2:0

YUV422P10LE

10-bit

YUV 4:2:2

RGBA 10:10:10:2

10-bit

RGB

P216

16-bit

YUV packed (professional broadcast)

Frame Rates

23.976, 24, 25, 29.97, 30, 47.952, 48, 50, 59.94, and 60 fps (depending on the device and output resolution).

Performance

  • On macOS with Metal, OmniScope uses a zero-copy GPU output path (DeckLink SDK 14.14+) for minimal latency. Falls back to CPU transfer automatically if unavailable.

  • The output pipeline monitors buffer fullness and automatically resyncs timing to avoid frame drops.

  • For best results, use a dedicated DeckLink card rather than a USB-connected UltraStudio when outputting at high resolutions or frame rates.

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