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Thread: iPad stream working via safari, but not from app sdk

  1. #1
    Join Date
    Oct 2012
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    12

    Default iPad stream working via safari, but not from app sdk

    I don't suspect that this is a problem with wowza, but rather the iOS side of things, but any tips or suggestions you guys have would be greatly appreciated.

    I've got an mp4 video file streaming from s3 using the vods3 application. Everything works great using the rtmp stream from my pc. I can also load and seek within the video by loading the cupertino stream from my iPad and iOS simulator via safari (via /playlist.m3u8).

    However, when trying to view one of these streams from an app via the iOS sdk, my app developer is claiming that all he gets is a "loading" with no start to the stream playback.

    Unfortunately - I'm not an ios developer, so trying to figure out where the problem is has been frustrating. The wowza logs don't seem to indicate any errors - and it looks like (from the server) side that the stream is being sent okay.

    So, my questions.

    1) Is there any sort of test/calibration app available for the iPad that would allow me to test custom stream URLs. Since it works in safari, I'm wondering if I can isolate some problem that only affects the sdk?

    2) Has anybody encountered a similar error?

    Oh, and our videos are very long (90 min), so I chopped up 1 video down to a 30-second clip, and that DOES load fine for him from the SDK. He's also able to load the apple bipbop sample m3u8 using the sdk, so I'm wondering if its something where the app code doesn't understand that it shouldn't be downloading the entire file before playing or something like that? Sorry for my naivety with the iOS sdk.

    I'd really appreciate any pointers - thanks in advance for your time!

  2. #2
    Join Date
    Dec 2007
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    21,962

    Default

    Apple makes this validator tool, a command line tool that runs on Mac OSX only:
    http://www.wowza.com/forums/content....validator-tool

    Adjustment to key frame frequency and/or cupertinoChunkDurationTarget might help:
    http://www.wowza.com/forums/content....tinostreaming)

    Try a 2 second key frame frequency, and start with default cupertinoChunkDurationTarget, which is "10000" and work down: 8000, 6000, 4000, 2000

    Richard

  3. #3
    Join Date
    Oct 2012
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    Thanks Richard, I really appreciate the help.

    We ended up getting it working, even though I still can't seem to find that mediastreamvalidator tool. When I go to connect.apple.com and type in my developer id/pw, the it says "download the latest http streaming tools" but when I click the link the only tool available for downloading is the MakeRefMovie tool, which I'm pretty sure isn't what I'm looking for.

    Would love to get ahold of that tool though, so if you have any tips (I know this isn't an apple forum, ha), let me know.

    Anyhow - thanks!

  4. #4
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    Were you using a Mac OSX?

    Richard

  5. #5
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    Oct 2012
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    Yeah. Macbook Air with 10.7.4

    Its funny, because according to forum posts, it looks like it wasn't available on lion initially, but some people on stackoverflow say that they were able to download it as of Oct '11.

    http://stackoverflow.com/questions/7...s-on-10-7-lion

    So, not sure whats up.

  6. #6
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    I will see what I can find out...

    Richard

  7. #7
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    Oct 2012
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    One possible explanation - I might not be a member of the iPhone developer program. According to http://developer.apple.com/library/i...8332-CH102-SW3 you need to be a member, and though I thought I was, they definitely let me just pay another $100. So I'll see if I can access it when that order goes through.

  8. #8
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  9. #9
    Join Date
    Feb 2011
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    I download it from here under HTTP Live Streaming Tools: https://developer.apple.com/downloads/index.action

  10. #10
    Join Date
    Oct 2012
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    Here's what I see when I land on that page:


    And when I search for "streaming"


    So part of me still feels like I'm taking crazy pills, but I suspect it'll magically show up there once my account is activated?

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