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Use an Elemental with a DVR Display Engine

Live Event Setup

Access the Elemental’s web interface to begin the process. To create a new event, click on “New Event +” in the upper right corner.

elementalHome

 

  1. Enter a name for the Event
  2. Select the Input Type. Typically, this will be an SDI input. Be sure to verify with the client which SDI input will be used.

elementalManualInput

 

You can click the Preview button to the right of the Input field to see if there is an active video signal on that input. If there is not a signal, the interface will tell you.

 

elementalManualPreview1

elementalManualPreview2

 

Output Groups

  1. Delete all output groups except for Apple HLS. You can do this by pressing the X next to the output group.
  2. Rename the Custom Group Name to something like sardius_dvr 
  3. In the Destination Field, adjust the following template and then enter it into this field:
    • http://ep2.storage.sardius.media/ep2/hls/accountID/name/playlist
      • accountID = Client’s Account ID
      • name = event name

  4. Adjust your segment length to 10 seconds.
  5. Change the HTTP Push Dialect to Basic PUT

 

elementalDvrOutputGroup

 

Outputs

DVR requires a single HLS output. Once you have created your output, proceed to “Streams”

Output 1: 1080

  1. In the “New Output” section, click on “Add Output+” on the right-hand side.
    This will create a new output and a new stream called Stream 1 
  2. In the Name Modifier, enter -1080 
 

Streams

Now it’s time to configure the stream that is being fed to each output. 

Each Stream will need some unique configuration based upon the designated resolution. We will also notate what items will need to be changed/added from the default settings.

We'll go through the full steps for the 1080 Stream, and then we'll provide a table for the remaining streams.  

Stream 1: 1080 

Under Video:

  1. Resolution: 1920 w X 1080 h
  2. Click on the Advanced Settings icon
    1. Rate Control Mode: CBR
    2. Bitrate: Enter 4m or 6m
    3. GOP Size: 2
    4. Units: Seconds 
    5. B Frames: 2
    6. Closed GOP Cadence: 1
    7. Reference: 1 
    8. GOP Reference B-Frame: Checked
    9. Scene Change Detection: Off
    10. Interlaced Mode: Progressive

Under Audio 1

  1. Coding Mode: 2.0 - L, R (Stereo)
  2. Bitrate: 192.0
  3. Click on the Advanced Settings icon
    1. Stream Name: English
    2. Language Code: eng

 

 

WARNING: The GOP settings have been adjusted specifically for on-demand and precise playback with DVR Display Engines. Making adjustments to these can cause playback irregularities, including playback starting later than your desired position.

 

Review and Save

Take a moment to review all of your settings. Once you are satisfied, you can click the “Create+” button found at the top right and bottom right of the page. This will create the Event and you will be taken to the Event control page.

 

elementalManualCreate

 

The image below is an example of the Event Control Page. This is an Event that is ready to start: 

elementalMepReady

 

Create an Event from a Template

Download a Template here.

To create an event using a template, start by selecting “New Event” from the Elemental homepage. 

At the top right, you will see a button that says “Load” - Click on this, then select “Load Event XML”

elementalManualLoad
  1. In the box that appears, click “Choose File”
  2. Locate your file, then click “Apply”
  3. With the channel loaded, scroll down to the Output Groups. Replace the HLS Destination according to the custom URL structure given to your by your account manager.

As necessary, adjust:

  1. Output Groups
    1. Segment Length
  2. Outputs
    1. Add/Remove Outputs
    2. Adjust Name Modifiers
  3. Streams
    1. Resolution
    2. Bitrate

Scroll to the bottom of the page and click the “Create+” button. This will create the Event and you will be taken to the Event control page.