Low latency video streaming in CMAF

Question

Hi,

I was working today on trying to get low latency video streaming working with CMAF.
After some testing I found out that it isn't working with chunked transfer encoding.

Is there a way I can stream MPEG-DASH in CMAF to lower the latency to around 3 to 5 seconds?

Thanks!
Thomas

Answer 1

HI Thomas,

We are currently in development on our support for LL-HLS first, followed by support for LL-DASH. We hope to have a preview ready over the Summer for LL-HLS to test with targeting the 3-5 second duration range.

For now, we only support the following latency settings - https://learn.microsoft.com/en-us/azure/media-services/latest/live-event-latency-reference
See the charts on that page for supported latencies, and requirements.

These settings only work on certain players.

I the future when more 3rd party players fully support LL-HLS and LL-DASH we will be able to have a more consistent story. We will likely support HLS.js, Shaka player, Theo Player and Bitmovin players first, as they are all making good progress on their LL-HLS support. Hope that helps!