How-to guides

How to live stream VGA, DVI or HDMI video sources using Wirecast from Telestream

July 13, 2015

How to live stream VGA, DVI or HDMI video sources using Wirecast from Telestream image

When you need to live stream to large online audiences and be able not just to capture, but add production capabilities, including sound, transitions, virtual sets and scoreboards, then you’ll want to use Telestream Wirecast® software. With Wirecast you can capture your cameras or devices using Epiphan capture cards, video grabbers or broadcasting and recording products then pull them all together in a easy and affordable way for your online audience. Create professional-looking news, online gaming, internet shows, sporting events, concerts, church services, corporate meetings, lectures and more.


  • Any video source with VGA/DVI/HDMI™ output, in this example a secondary laptop
  • An Epiphan DVI2USB 3.0™ or other Epiphan grabber or broadcaster/recorder
  • A capture laptop pre-installed with Wirecast and the Epiphan Capture Tool
  • Access to a destination streaming server or service

How to connect your source to the DVI2USB 3.0 and Wirecast software

Step 1. Connecting the devices

Connect DVI2USB 3.0 to your capture computer via USB 3.0 (or USB 2.0); connect your video source (in this case another laptop) to DVI2USB 3.0. Make sure that video signal is recognized properly by viewing with the Epiphan Capture Tool.

Wirecast and Epiphan DVI2USB 3.0 for streaming nearly any video device via Wirecast

Step 2. Open the Wirecast application

Open the Telestream Wirecast application. Once open, the interface looks like this.

Telestream Wirecast Interface

Step 3. Add your Source(s)

  1. Place your cursor over the ‘+’ Button Add source to add a new source; it changes to these four buttons Wirecast Configuration Button.
  2. Choose the camera button to add the DVI2USB 3.0 as a video source.
    Menu option showing DVI2USB 3.0 video option
  3. If your video source has HDMI-embedded audio, choose the speaker and select the Audio feed for DVI2USB 3.0.
    Menu option showing DVI2USB 3.0 audio option
  4. Now that your video sources are added, you can manipulate them within Wirecast.
    Wirecast showing audio stream from HDMI using the DVI2USB 3.0 video grabber

Step 4. Setting up the Streaming destination

With the Wirecast application you can choose between different existing presets to stream to popular CDNs like Ustream, LimeLight or YouTube (requires an active account and channel (live event)) and your own RTMP Streaming Server.

  1. Choose the ‘Output‘ menu from the program window ribbon then click ‘Output Settings‘ from the drop down menu; the “Select an Output Destination” window appears.
    Wirecast showing audio stream from HDMI using the DVI2USB 3.0 video grabber
  2. Select a destionation from the ‘Output Destination’ drop down field. Optionally, click ‘More’ to choose from other destinations that are not already in drop down menu choices.
    Wirecast Output Destination Options
  3. Click ‘OK’; the configuration window appears.
    Click OK to Proceed and select the ouput options you configured
  1. If you choose the stream to a commercial CDN (like Ustream, LiveStream etc.) you will have to authenticate your service account with Wirecast. Follow the Wirecast instructions and allow it to manage your CDN streaming account.
  2. Wirecast synchronizes with your account and acquires streaming settings set with your CDN (for example, please refer to Creating a Live Video Stream on YouTube Using Wirecast to see how Wirecast takes in settings from YouTube Live.
  3. If you want to stream to a Flash Streaming Server (like Flash Media Server, Wowza etc), choose the RTMP Server option.
    RTMP server configuration options in Wirecast
  4. Choose your encoding options from the Encoding dropdown field.
  5. If more encoding options have to be adjusted (like bitrate, Key frame interval, etc.), click the encoding gear icon and make your adjustments.
  6. Input the server address and streaming port(s) in the Address field, as shown.
  7. Click ‘OK’ to confirm the settings.

Step 5. Starting the Stream

  1. Press the ‘Stream’ button Wirecast stream buttonto start streaming; the streamed (live) video appears in the right-side panel.
  2. To push the captured video source from ‘Preview’ window to ‘Live’ window, press this button: Live stream button
    Wirecast screen showing live streaming via RTMP of a laptop screen