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A
Anonymous
September 16, 2011
Answered

cannot stream live event via HLS

  • September 16, 2011
  • 1 reply
  • 1533 views

I just upgraded to FMS 4.5.  I'm able to stream live event via HDS but I can't stream live events via HLS.  I can use VOD via HLS but not live events..  Any suggestions?  I tried access the HLS url directly on my iphone and even trie embeddeding the <video> tags in a HTML file and get the same results.  What I did notice is that in my application folder on the server I only see the HDS files being created.  I do not see the .ts files that I beleive are supposed to be created when streaming to HLS devices.

Help!

    This topic has been closed for replies.
    Correct answer SE_0208

    Also,

    I downloaded the trial version of the Main Concert AAC plugin and my Apple iOS audio streaming works just fine...  But...  the MP3 codec should work just fine per Apple's documentation.  Any suggestions?  I really do not want to purchase this codec.


    Adobe as of now supports only HE-AAC/AAC for audio-video and audio-only content.

    Even Apple says following "The protocol specification does not limit the encoder selection. However, the current Apple implementation should interoperate with encoders that produce MPEG-2 Transport Streams containing H.264 video and AAC audio (HE-AAC or AAC-LC)." (http://developer.apple.com/library/ios/#documentation/networkinginternet/conceptual/streamingmediaguide/FrequentlyAskedQuestions/FrequentlyAskedQuestions.html)

    1 reply

    Nikhil_Kalyan
    Nikhil_Kalyan
    Participating Frequently
    September 18, 2011

    Hi,

    Thanks for trying the new FMS 4.5.

    Good to know that you are able to use VOD with HLS. As you can see in this case of VOD, the ts and other iOS specific files are not created/kept on the disk. They are generated on the fly to be delivered to the devices. The same will be case with Live content, the content will all be recorded in f4f format which is then converted on the fly to be delivered to idevices.

    Can you give us more details for your HLS live event please? I guess there must be some path specific issues if you are already able to do HDS.

    A
    Anonymous
    September 18, 2011

    I worked with one of your FMS techs and we got the HLS live stream working, however, my audio stutters when playing on an iphone.  Also, if I change the video format in Adobe Live Encoder I have to delete the '_definst_ folder on the server and have it auto re-created before my streams will work again.  As long as I don't change my video format this doesn't happen...  At this point my only concern is the fact my audio stutters.  All iphones hear the stutter and I tried encoding from three different laptops and desktops and got the same symptoms.  I followed the steps for streaming a single HLS stream via the URL below.  Any suggestions?

    http://help.adobe.com/en_US/flashmediaserver/devguide/WSd391de4d9c7bd609-52e437a812a3725dfa0-8000.html#WSad088a8a25fdb19a5aa18202130d835f1f6-8000

    A
    Anonymous
    September 18, 2011

    please keep in mind that my HDS live streams have perfect audio.  It's only when I access the stream via HLS on Apple iOS devices that the audio stutters and makes odd sounds.

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