Streamrun supports simultaneous Horizontal and Vertical live video streaming in two ways:

Method 1: Two Streamrun Inputs

Add two Streamrun inputs, one with Input format horizontal and one vertical. Use two streaming devices, two OBS instances, or the Aitum Vertical plugin to stream different orientations to each input. Add outputs for horizontal and vertical multistreaming accordingly, like Twitch&YouTube to horizontal and TikTok&Instagram to vertical.

Method 2: Combined Landscape and Portrait stream (Dual HD)

Use the Dual HD 2640 resolution (2640x1280), which includes Full HD (1920x1080) for horizontal streaming and 720p portrait (720x1280) for vertical streaming, side by side on the same canvas.

Setting up Dual HD in OBS (Dual HD 2640 example)

1. Adjust OBS Settings

• Video -> Base (Canvas) Resolution: 2640x1280
• Video -> Output (Scaled) Resolution: 2640x1280
• Output -> Rescale output: Disabled
  • If you don't have the processing capacity or bandwidth for 2640×1280 streaming, select Dual HD 2000 or Dual HD 1760 size

2. Download Dual HD 2640 template

• Add Image source to your OBS canvas using the Dual HD template
• Build your horizontal and vertical layouts on top of the template

Streamrun supports following resolutions for combined horizontal/vertical streaming:

• Dual HD 1760
  • Canvas 1760x854
  • Horizontal video 720p & vertical video 480p
  • Download template
• Dual HD 2000
  • Canvas 2000x1280
  • Horizontal video 720p & vertical video 720p
  • Download template
• Dual HD 2640
  • Canvas 2640x1280
  • Horizontal video 1080p & vertical video 720p
  • Download template

How Dual HD Works

Dual HD video stream contains both horizontal and vertical videos side by side. Streamrun automatically splits the Dual HD and sends the appropriately orientated video to each connected output.

Use simultaneous horizontal and vertical streaming for multistreaming (e.g., horizontal to Twitch and Kick, vertical to TikTok and Instagram), or within the same platform. For example, YouTube shows vertical live streams along YouTube Shorts and horizontal live streams on the home page, so you'll maximize your reach with two formats with only two separate YouTube streamkeys required.

Read more about Dual HD at dualhd.org.