Control Panel — API Documentation

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Documentation

switchboard.add

Create a switchboard stream that will output source streams based on a priority list. Source priority is based on the "stream_list" field. The switchboard will detect new streams being published or when the current source goes away and find the next highest priority stream. When no sources are available, the switchboard will shutdown and wait.

To create a switchboard provide the application name, the stream name to play out on, and a list of streams to play when they are published. New switchboards are not sent to the server by default, to force the new changes to take affect immediately set 'recheck_list' to true.

DVR applications additionally can set the # of chunks to keep in their playlist and how long to keep the dvr session alive by providing a 'playlist_count' and 'playlist_timeout' or disable dvr using 'enable_dvr'. To edit the dvr settings see stream.dvrsettings api.

You can track viewer session data on your switchboard from Google Analytics (GA) by providing your GA key.

Example Code (PHP)

	$request = array(
		'command' => 'switchboard.add',
		'api_key' => 'APX4GKLM0RKQLSP2FBO1ROPKSSW47DZE',
		'timestamp' => time(),
		'cdn' => 158,
		'app' => 'demo-origin',
		'stream' => 'switchboard_stream',
		'stream_list' => array("stream1","stream2","stream3"),
		'recheck_list' => true, //optional
		
		// dvr settings
		'playlist_count' => 4, //optional
		'playlist_timeout' => 60, //optional
		'enable_dvr' => true, //optional
		
		'origin_url' => 'jb-chorigin.secdn.net', // optional
		
		'ga_key' => '' //optional
		
	);
	
	    //Create request signature
    $json_request = json_encode($request);
    $sig = base64_encode(hash_hmac('sha256', $json_request,
        '8fc8c48da81e6a2a06a9556379bf798af508dc0792497c678b4c3532ba8b637f', true));
    $request['signature'] = $sig;
    $json_request = json_encode($request);
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, 'https://api.scaleengine.net/stable/'); // Set the URL
    curl_setopt($ch, CURLOPT_POST, true); // Perform a POST
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); // If not set, curl prints output to the browser
    curl_setopt($ch, CURLOPT_HEADER, false); // If set, curl returns headers as part of the data stream
    curl_setopt($ch, CURLOPT_POSTFIELDS, array('json' => $json_request)); //'Json' string or 'PHP' serialized return
    
    //If your PHP host does not have a proper SSL certificate bundle, you will need to turn off SSL Certificate Verification
    //This is dangerous, and should only be done temporarily until a proper certificate bundle can be installed
    //curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); // Turns off verification of the SSL certificate.
    //curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // Turns off verification of the SSL certificate.
    
    $response = curl_exec($ch); //Execute the API Call
    if (!$response) {
        die('Failed to connect to ScaleEngine API');
    }
    
    //Decode the response as an associative array 
    $arrResponse = json_decode($response, true); 
    if ($arrResponse) {
        //Operation completed successfully
        //TODO Add work here
        print_r($arrResponse);
    } else {
        //Operation failed
        echo 'An error occured processing your request:';
        print_r($response);
    }
    	

Request Fields

command [REQUIRED] [string] - API command to execute
cdn [REQUIRED] [int] - The ScaleEngine CDN ID of your account
api_key [REQUIRED] [string] - The API key provided as part of your account
app [REQUIRED] [string] - The ScaleEngine Application name
stream [REQUIRED] [string] - Stream name
stream_list [REQUIRED] [array] - Array of Stream Names
timestamp [REQUIRED] [int] - The unix timestamp of your request, used to prevent authenticated API requests from being replayed
recheck_list [OPTIONAL] [boolean] - Servers are notified when a list is added, modified, or removed, but will not interrupt the current source unless set to true. Default false.
playlist_count [OPTIONAL] [int] - How many chunks to have on the manifest for each rendition. Number must be between 4 and [Default: 4]
playlist_timeout [OPTIONAL] [int] - How many seconds to keep the playlist after the stream disconnects. Value must be between 60 and 1200 [Default: 600]
enable_dvr [OPTIONAL] [boolean] - Enables dvr settings when true, disables dvr when false. Only valid for DVR enabled ScaleEngine Accounts. [default true]
origin_url [OPTIONAL] [string] - Defines the url address of an origin to be called. Defaults to jb-origin.secdn.net for origins and jb-chorigin.secdn.net for channels.
ga_key [OPTIONAL] [String] - The Google analytics (GA) key to be used when a stream or channel is viewed. This key is used to capture viewer data and send it to the associated GA account. GA Keys saved to a channel will be applied to all playlists on that channel, and if no key is provided the default GA key for the your ScaleEngine account will be used. (default "")

Example Result (JSON)

	{
	"message": "Switchboard created",
	"status": "success",
	"handle_time":"0.3795 seconds"
	"switchboard_id" : 1,
	}
	

Result Fields

message [string] - Debugging message
status [string] - "success" or "failure"
switchboard_id [int] - ID of the Switchboard
handle_time [float] - The amount of time spent processing your request