Live event timeline


    A live event in the Screen9 platform follows a defined timeline consisting of four checkpoints, namely event register, start, end and recording available (as seen in the graphics below). Each checkpoint causes the live event to enter a new state which will be one of preview, live, copy and on-demand.

    These four checkpoints have the following properties:

    1. Registered
      • The event was just registered and will enter preview state between 1-8 hours (the so called preview lead time) before the event is scheduled to start.
      • Embed codes for the event are available to be embedded on a website.
      • External players will show a splash screen with the title of the event, a poster image and a count down to the start time.
      • At this point, preview lead time, start time and end time of the event can still be changed.
    2. Preview
      • The preview state starts 1-8 hours before the scheduled start of the event and no eariler than about 3 minutes after registering the event.
      • At this point a preview player shows up that displays the live stream as it is being sent to the streaming encoders.
      • Encoders can now connect to the ingest instances and start sending the video stream.
      • At this point, start time and end time of the event can still be changed.
    3. Live
      • The event enters the Live state which is triggered by scheduled start time or by clicking “Start now” button.
      • Externally embedded players now start to display the stream.
      • Recording starts (if event is configured to be recorded).
      • At this point, the scheduled end time of the event can still be changed.
    4. Copy
      • Live event has ended (triggered by scheduled end time or by clicking “Stop now” button)
      • External player will stop playing the video and, if recorded, event enters copy state.
      • Recording stops (if event is configured to be recorded).
      • System sanity checks recorded video and copies to streaming servers.
      • If the event was recorded, the player will display a message that the event will be available in recorded version soon.
    5. On-demand (optional)
      • The player now behaves as a normal on-demand player and the recorded stream is available. The event is in on-demand state.
      • Optionally, a publish until time can be set at which the video will no longer be available.
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