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Thread: Video streaming to Windows 8, Windows Phone 8, Surface..

  1. #1

    Default Video streaming to Windows 8, Windows Phone 8, Surface..

    Hello all,

    Can someone point me in the right direction for the recommended/native way to stream to Windows 8, Windows Phone 8, and Surface RT devices? All of my videos are H.264+AAC encoded and stream just fine via HLS and RTSP to iOS and Android devices (and the ROKU). I need to add the new set of Windows devices to the mix now too.

    Thank you,
    Steven

  2. Default

    I'd love some info on this one too. I haven't been able to find anything for live streaming to IE10/Metro short of getting a site's .swf whitelisted by microsoft.

  3. #3

    Default

    We will try to write up a more complete description of how it is done later but here are two links to articles that describe how to do it:

    Announcing: Smooth Streaming Client SDK for Windows 8 RTW!!!!

    How to build your first HTML5 Windows 8 Smooth Streaming Application

    This is the right place to start.

    Charlie

  4. Default

    Yup... saw those too. I was thinking along the lines of an in-browser experience with no app store requirements, but it seems that we don't have anything other than the plain Jane <video> element, which suggests no live streaming to the browser without a whitelisted .swf or the help of a download from the app store

  5. #5

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    Not sure if there's been any movement in this regards (I couldn't fine any), but my content seems to work fine in the flash player that comes with IE10. The only problem is that the version of IE10 from the Modern UI wont play it. I used the meta tag fix found here to deal with it for now: http://msdn.microsoft.com/en-us/libr...=vs.85%29.aspx

  6. #6

    Default

    I found this article which seemed to help a bit:

    http://www.wowza.com/forums/content....oothstreaming)

    The problem is, there is precious little documentation on what "smoothPacketSortTime" value is supposed to mean? It is now working on our Windows 8 app. But still struggling to view a live (smooth stream) on a Windows Phone. Seems to work intermittently, but not consistently. And definitely better than before which didn't work at all.

    Does anyone have any success story with Wowza, live video, and Windows Phone?

    Thank you!
    Steven

  7. #7
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    Default

    Steven,

    What are the encoding details: key frame frequency, and profile.

    If not already , try h.264 Baseline 3 or lower, and a 2 second key frame frequency.

    Richard

  8. #8

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    Quote Originally Posted by rrlanham View Post
    Steven,

    What are the encoding details: key frame frequency, and profile.

    If not already , try h.264 Baseline 3 or lower, and a 2 second key frame frequency.

    Richard
    The H.264 profile was already at Baseline. But the keyframe frequency was set to 240 frames (8 seconds). I changed it to 60 frames (2 seconds) as you suggested and it works! Yes, it works after changing the frequency!

    But, the question now is, we will have clients that may have their keyframe set to 240 frames because this is the default setting in Wirecast. Is there something that can be changed on the server side (Wowza) to make this work without worrying if the client side is set just right?

    Thank you again!
    Steven

  9. #9
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    Dec 2007
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    Steven,

    Great! Thanks for the update.

    Silverlight requires key frame frequency between 1 and 4 seconds, but 2 seconds is recommended. There is not an easy way to change key frame frequency in Wowza. Even with the Wowza Transcoder it is not straightforward, it would require tweaking parameters, and I'm not completely sure it is possible. So, yes, you should do it in the encoder.

    What player are you using on WP?

    Richard

  10. #10

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    Thanks for the information. This is all very helpful.

    We are using this player in our Windows Phone app:
    http://smf.codeplex.com/releases/view/88970

    So far it seems to work on Windows Phone 7.x. I'll let you know if we find a problem with Windows Phone 8 and in regular Windows 8 itself.

    Can you refer us to a website that gives us this kind of information (about key frame frequency)?

    Thank you again.
    Steven

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