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Thread: STB player Random delays 1~8 seconds after "server invoking <onFCsubscribe>"

  1. #1

    Default STB player Random delays 1~8 seconds after "server invoking <onFCsubscribe>"

    Our STB plays live stream from Wowza server. It appears random delays 1~8 seconds after "HandleInvoke, server invoking <onFCSubscribe>" ,then start to play.

    But VLC works fine on PC.

    Note: we have just setup a new wowza server( version: WowzaStreamingEngine-4.0.6 )

    Following is debug info from STB:

    DEBUG: HandleInvoke, server invoking <_result>
    DEBUG: HandleInvoke, received result for method call <connect>
    DEBUG: sending ctrl. type: 0x0003
    DEBUG: Invoking createStream
    DEBUG: FCSubscribe: stream3
    DEBUG: Invoking FCSubscribe
    DEBUG: RTMP_ClientPacket, received: invoke 29 bytes
    DEBUG: (object begin)
    DEBUG: Property: NULL
    DEBUG: (object end)
    DEBUG: HandleInvoke, server invoking <_result>
    DEBUG: HandleInvoke, received result for method call <createStream>
    DEBUG: SendPlay, seekTime=0, stopTime=0, sending play: stream3
    DEBUG: Invoking play
    DEBUG: sending ctrl. type: 0x0003
    DEBUG: RTMP_ClientPacket, received: invoke 140 bytes
    DEBUG: (object begin)
    DEBUG: Property: NULL
    DEBUG: (object begin)
    DEBUG: Property: <Name: level, STRING: status>
    DEBUG: Property: <Name: code, STRING: NetStream.Play.Start>
    DEBUG: Property: <Name: description, STRING: FCSubscribe to stream stream3.>
    DEBUG: Property: <Name: clientid, NUMBER: 1551915125.00>
    DEBUG: (object end)
    DEBUG: (object end)
    DEBUG: HandleInvoke, server invoking <onFCSubscribe> // about 1~8 seconds random delay
    DEBUG: HandleCtrl, received ctrl. type: 0, len: 6
    DEBUG: HandleCtrl, Stream Begin 1
    DEBUG: RTMP_ClientPacket, received: invoke 135 bytes
    DEBUG: (object begin)
    DEBUG: Property: NULL
    DEBUG: (object begin)
    DEBUG: Property: <Name: level, STRING: status>
    DEBUG: Property: <Name: code, STRING: NetStream.Play.Reset>
    DEBUG: Property: <Name: description, STRING: Playing and resetting stream3.>
    DEBUG: Property: <Name: clientid, NUMBER: 1551915125.00>
    DEBUG: (object end)
    DEBUG: (object end)
    DEBUG: HandleInvoke, server invoking <onStatus>
    DEBUG: HandleInvoke, onStatus: NetStream.Play.Reset
    DEBUG: RTMP_ClientPacket, received: invoke 171 bytes
    DEBUG: (object begin)
    DEBUG: Property: NULL
    DEBUG: (object begin)
    DEBUG: Property: <Name: level, STRING: status>
    DEBUG: Property: <Name: code, STRING: NetStream.Play.Start>
    DEBUG: Property: <Name: description, STRING: Started playing stream3.>
    DEBUG: Property: <Name: clientid, NUMBER: 1551915125.00>
    DEBUG: Property: <Name: isFastPlay, BOOLEAN: FALSE>
    DEBUG: Property: <Name: timecodeOffset, STRING: 51594488L>
    DEBUG: (object end)
    DEBUG: (object end)
    DEBUG: HandleInvoke, server invoking <onStatus>
    DEBUG: HandleInvoke, onStatus: NetStream.Play.Start
    DEBUG: RTMP_ClientPacket, received: notify 44 bytes
    DEBUG: (object begin)
    DEBUG: (object begin)
    DEBUG: Property: <Name: code, STRING: NetStream.Data.Start>
    DEBUG: (object end)
    DEBUG: (object end)
    DEBUG: RTMP_ClientPacket, received: notify 183 bytes
    DEBUG: (object begin)

  2. #2

    Default

    Hi there and welcome to the Wowza support forum.

    Can you please explain your set up in detail?

    What is the source of the stream?
    Is the delay actually random? Or is it consistently delayed by about 8 seconds?

    Can you check the set top box for a buffer size? It might be the case that you have a set required time to fill that buffer before the player in the set-top-box starts to play the content.

    Or possibly the media player embedded in your set-top-box isn't able to do RTSP over TCP, there is a timeout and then it falls back to UDP streaming and then the content starts playing.

    Thanks, and we look forward to hearing back from you with more details about your setup.

    Salvadore

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