CEA-608/708 closed captions are now supported in SLDP low latency playback protocol by Softvelum, in both Nimble Streamer and SLDP HTML5 Player.
The pipeline works as follows:
- Closed captions are delivered in NAL units of your content via any live streaming protocol supported by Nimble Streamer, including SRT, RTMP, MPEGTS and others.
- Nimble Streamer delivers the content via SLDP as usual.
- SLDP HTML5 Player recognizes subtitles in the stream.
- End user may enable subtitles display and watch video with closed captioning.
Notice that subtitles processing works only with SLDP Player SDK which is available as a premium product. Learn more about HTML5 Player SDK here. You can subscribe to SDK in order to generate the package for your domains and get our team's support going forward.
You can try this feature with our players testing free page before purchasing the SDK.
Please also take a look at Subtitles digest page to see what else Nimble can do for you.
Let us know if you have any questions about closed captioning in Softvelum products.
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