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Thread: how to livestream in nDVR?

  1. #1

    Default how to livestream in nDVR?

    I have followed the instructions on how to install/configure nDVR, but do not understand how to stream live using it (http)

    The instructions say the following:
    Publishing the stream

    Send the stream to the origin server or use the MediaCasterStreamManager to start the stream.
    Once it starts streaming, it will be start recording.

    So what setting do I put into my encoder (FMLE) to run a live stream?

    My experience with Wowza is RTMP streaming, so rtmp://IPADDRESS/live does not work

    I tried http://IPADDRESS/live
    and myStream in the name, and that doesn't work.

    Thanks in advance for the assistance

    CK

  2. #2
    Join Date
    May 2011
    Posts
    455

    Default

    In FMLE, URL as "rtmp://[ip-address]/live"and the Stream field as "myStream" is fine as long as the Wowza application named "live" is configured for nDVR per these instructions.

    The syntax for playback would then be the following. The link above also includes some troubleshooting tests.

    For playback with Flash Player:
    http://[wowza-address]:1935/live/myStream/manifest.f4m?DVR
    For playback with an iOS device:
    http://[wowza-address]:1935/live/myStream/playlist.m3u8?DVR
    For playback with Silverlight:
    http://[wowza-address]:1935/live/myStream/Manifest?DVR
    -Lisa

  3. #3

    Default

    I did configure the nDVR settings like that and in playback I get the error 2032

    Any suggestions?

    Also will using the nDVR take care of the quality issues I am having in the recorded file?

    Thanks in advance -

    CK

    Quote Originally Posted by lisa_w View Post
    In FMLE, URL as "rtmp://[ip-address]/live"and the Stream field as "myStream" is fine as long as the Wowza application named "live" is configured for nDVR per these instructions.

    The syntax for playback would then be the following. The link above also includes some troubleshooting tests.

    For playback with Flash Player:
    http://[wowza-address]:1935/live/myStream/manifest.f4m?DVR
    For playback with an iOS device:
    http://[wowza-address]:1935/live/myStream/playlist.m3u8?DVR
    For playback with Silverlight:
    http://[wowza-address]:1935/live/myStream/Manifest?DVR
    -Lisa

  4. #4

    Default

    ok, it looks like 2032 is a path issue.

    In Application.xml, I have it setup as:
    <StorageDir>${com.wowza.wms.context.VHostConfigHome}/content</StorageDir>

    which is where all of my files are stored. This path does work correctly when not using nDVR.

    is there something I am missing in my Application.xml?

    When answering could you refer to the specific solution if you are going to link to the main Install/Setup page? I have no way of knowing what you refer to unless specifics are included.

    Thanks in advance -

    CK

    Quote Originally Posted by coskel22 View Post
    I did configure the nDVR settings like that and in playback I get the error 2032

    Any suggestions?

    Also will using the nDVR take care of the quality issues I am having in the recorded file?

    Thanks in advance -

    CK

  5. #5
    Join Date
    Dec 2007
    Posts
    22,013

    Default

    Kelly,

    Are doing nDVR just to solve recording quality issues?

    In your note to me regarding pixelization and movement, you said you are using VP6. Try h.264. Try a higher FPS setting, or perhaps lower. Try lower bitrate and reduced frame size.

    Richard

  6. #6

    Default

    answers throughout...

    Quote Originally Posted by rrlanham View Post
    Kelly,

    Are doing nDVR just to solve recording quality issues?

    yes - that s the only reason I am implementing it - I prefer RTMP streaming for the additional security it offers, and would prefer to NOT switch to http streaming

    In your note to me regarding pixelization and movement, you said you are using VP6. Try h.264. Try a higher FPS setting, or perhaps lower.

    We have done this with pretty iffy results. The quality issues are only apparent on high action streams.

    Try lower bitrate and reduced frame size.

    Frame size??? you mean the size of the broadcast window (640x480, for example) or do you mean something else?

    Thanks, CK

    Richard

  7. #7
    Join Date
    May 2011
    Posts
    455

    Default

    I would not expect nDVR to fix/alter quality issues. High action streams will make quality issues more noticable. I would suggest continuing to experiment with different settings in your encoder to find the best settings for your workflow. 640 x 480 would be an example frame size.

    -Lisa

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