HLS, RTMP, and SRT Live Streams

The Live Stream feature brings a live video feed into Ci, where you can preview, log, share, and record it while the broadcast is still running. Live Stream is available on Company Network accounts and above. Ci supports 4 ingest methods, which fall into two categories — pull, where Ci reaches out and retrieves your feed, and push, where your encoder sends the feed to Ci:

  • HLS (Pull) — You supply the URL of an existing HTTP Live Stream and Ci pulls it in. Use this when your stream is already being published somewhere Ci can reach.
  • RTMP (Push) — Ci provides a server address and stream key, and your encoder pushes to Ci. This is the most broadly supported option and works with virtually any standard encoder.
  • SRT (Push) — Ci provides a target address and port, and your encoder pushes to Ci. Choose SRT when you need a more resilient, secure connection over unpredictable networks such as the public internet.
  • SRT (Pull) — You supply the listener address and port where your source is publishing, and Ci connects out to pull the feed over SRT. Use this when you want SRT's resilience but need Ci to initiate the connection — for example, when your encoder is configured as an SRT listener at a fixed, reachable address.

Two things to know before you start: 

  1. Live stream must be ended manually — it does not stop on its own when your source stops sending 
  2. An open stream incurs cost for as long as it runs. See [Ending a Live Stream] for details.

Configuring a Live Stream

In the Workspace view, click the blue + Add New button near the upper-right corner of the page, and select Live stream. Which ever folder you are viewing at the time you start your live stream, this will be the location in which the live stream will generate: 

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Figure 1: Opening a Live Stream

Upon opening the Live Stream creation modal, you can select 1 of the 4 stream type options as shown in Figure 2. When you create a live stream, you can optimize it for one of two priorities. This setting affects only the live, in-progress viewing experience — it has no impact on the quality of the final recorded asset, which is identical regardless of your choice:

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Figure 2: Configuring Live Stream Optimization

  • Optimize for reduced latency lowers the delay between your source and your live viewers by approximately 50%, keeping the broadcast close to real time. Live quality remains strong for the first 8–12 hours but may begin to degrade beyond that point, with possible stuttering and dropped frames. Select this option for shorter, responsiveness-driven sessions such as interactive reviews or real-time monitoring.

  • Optimize for longer duration runs at standard latency but maintains consistent live quality for the full length of the stream, regardless of duration. Select this option for extended broadcasts such as all-day events or multi-hour coverage, where stability matters more than minimal delay.

HLS Pull

For HLS Pull, provide an HLS Live Stream URL so that we can pull in the feed for you. Type a name in the Name dialog to identify your stream. This name will be used as the file name of the stream after processing is complete. Next, provide the URL for a live stream that's already running, and Ci will retrieve the feed from it. This is the right choice when your stream is already being broadcast at a location Ci can connect to:

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Figure 3: HLS Pull Configuration

RTMP Push

With RTMP Push, your encoder sends the stream directly to Ci. After you create the stream, Ci provides a server address and stream key that you enter into your encoder to begin broadcasting. To set one up, choose RTMP Push, then enter a name for the stream in the Name field — this becomes the file name of the recorded asset once processing is complete. When you're ready, click Create Live Stream.

Once the stream is created, Ci provides a Server Address and a Stream Key. Enter both into your encoder to start pushing the stream to Ci:

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Figure 4: RTMP Live Stream configuration modal window

 

Once the RTMP stream is created, we will provide you with a server address and a stream key:

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Figure 5: RTMP Live Stream settings

 

For a SRT streaming, you can push the stream to Ci once you put in a stream name, Source IP Address Range (your encoder IP) and Inbound Port (usually 10000 for SRT)and click the "Create Live Stream" button:

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Figure 6: SRT Live Stream configuration modal window


Once the SRT stream is created, we will provide you with we will provide you with a target IP address and a Port number:

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Figure 7: SRT Live Stream settings

 

While streams are live, you can also click ‘View live stream information’ in the Context panel to find the HLS or RTMP or SRT details:

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Figure 8: RTMP Live Stream details in the context panel

 

The asset's thumbnail displays its streaming status. The original status will be "Starting Live Stream", while the stream is acquired. Once the status updates to "Streaming", select the asset to display the action bar:

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Figure 9: HLS Live Stream in progress

Click Preview to view the stream.

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Figure 10: Preview Live Stream option

You can use the track bar to seek through the stream, and then click Jump to Live to return to live playback.

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Figure 11: Live Stream in the preview player

Click End Live to end the stream. Please note that you cannot restart a live stream.

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Figure 12: End Live Stream option

Please note that you must manually end the stream when you're finished broadcasting.  Live streams are not intended to end when the stream has ended currently such as in the case of RTMP pushes and leaving a stream open beyond any needed time for the stream will result in additional costs.  Live Streams end after 24 hours and all streaming setup regardless of if the stream has been sent will incur a cost per hour or per minute.

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Figure 13: End Live Stream window

After you end the stream, it will be processed. The asset's thumbnail will display its processing status:

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Figure 14: Live Stream Ending status

While the file is processing, you can playback the video that has already streamed and access it through the MediaLog app. Additional actions such as download, sending a MediaBox, and VideoReview are only available after processing is complete.

  • Click Launch App and then choose MediaLog to log the clip during streaming. For more information about MediaLog, please visit our MediaLog article.
  • Click More and then choose Favorite to mark the stream as a favorite.
  • Click More and then choose Rename to edit the name of the stream.

Sharing active Live Streams via MediaBox

Active live streams can be shared securely with external partners and clients via MediaBox. Here's how to do that:

Once a live stream has begun, right-click on the file, hover over Share and select Add to existing MediaBox. Alternatively, you may also select the file and click the Share icon in the blue action bar and follow the same steps:

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Figure 15: Adding live stream to a MediaBox

Select one or multiple MediaBoxes to share the live stream and click Add to # MediaBox:

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Figure 16: Adding to one MediaBox

Once the live stream has been added, navigate to the MediaBox page and open the MediaBox the stream was added to. You can either double-click the MediaBox or select the MediaBox and click View in the action bar:

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Figure 17: Opening MediaBox

Notice that live preview thumbnails for live streams are displayed in the Player, Workspace folder view and MediaBox view:

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Figure 18: Live preview thumbnail

MediaBox recipients will be able to view the live stream in the Player simply by double-clicking the file:

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Figure 19: Viewing live stream via MediaBox

Once the steam has ended, the file will begin to process. Once the file has finished processing recipients will be able to download the file as long as MediaBox downloads are enabled. 

 

For any additional questions, please reach out to the Ci Customer Success Team by submitting a request here in the Help Center. 

 

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