Wowza Live Stream thumbnail images with HTTP Provider


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To get thumbnail images from Wowza Transcoder with an HTTP Provider Wowza Media Server 3 or later is required.

Config file to edit for Wowza Live Stream Thumbnails
[wowza-install-dir]/conf/VHost.xml

<HTTPProvider>
<BaseClass>com.wowza.wms.transcoder.httpprovider.HTTPTranscoderThumbnail</BaseClass>
<RequestFilters>transcoderthumbnail*</RequestFilters>
<AuthenticationMethod>none</AuthenticationMethod>
</HTTPProvider>

 

PHP code

//No Authentication
exec(‘curl “http://[wowza-ip-address]:8086/transcoderthumbnail?application=[application-name]&streamname=[stream-name]&format=[jpeg or png]&size=[widthxheight]”‘);

//With Authentication
exec(‘curl – -digest -u [wowza-admin-user]:[wowza-admin-password] “http://[wowza-ip-address]:8086/transcoderthumbnail?application=[application-name]&streamname=[stream-name]&format=[jpeg or png]&size=[widthxheight]”‘);

[wowza-ip-address]: The IP address of the server running the Wowza media server
[application-name]: The application name the stream is running live
[stream-name]: The stream name of the live source stream.
[format]: Format of the image: either jpeg or png
[size]: Size of the thumbnail image.

Error

HTTPTranscoderThumbnail.onHTTPRequest[live/_definst_/[stream-name]]: Live stream encoder not found

Make sure Wowza is configured for Transcoding of live streams with Transcoder Addons.

live_stream_transcoder_addons

You will see some live encoded wowza streams based on selected transcoding template

live_stream_encoder

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Sandeep Verma

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