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Thread: Anyway to reduce upto 5 secs latency in HLS

  1. #1
    Join Date
    May 2014
    Posts
    6

    Default Anyway to reduce upto 5 secs latency in HLS

    Hi,

    By using properties listed here i reduced my latency from 30secs to 12 secs in HLS. But client required <5 secs . Any idea/suggestion?? Thanks in advance

  2. #2
    Join Date
    Sep 2011
    Posts
    1,919

    Default

    Hi,
    The chunks for HTTP streaming are created on a keyframe, if the keyframe is every 1 second the cupertinoChunkDurationTarget can also be 1 second.
    I don't think you will be able to get a latency 5 seconds or below with HLS due to how it works, you're always 3 chunks behind the actual live event.

    The best way to test this is to make everything local and see what the delay is when using a stream which has 1 second keyframe intervals and the cupertinoChunkDurationTarget is set to 1000 (1 second).
    Playback of Apple HLS can be done using VLC player which could keep everything local.

    Jason

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