API Documentation: files.info


the files.info API returns detailed information about the file requested. The response will contain information about the file path, modified time, file size, file duration, bit rate, video codec, profile, level, width, height, aspect ration, frame rate, audio codec, sample rate, channels, if it was deleted or invalid and any notes as to why it was invalid.

Example Request (JSON)

Example Code (PHP)

    $request = array(
        'command' => 'files.info',
        'api_key' => 'APX4GKLM0RKQLSP2FBO1ROPKSSW47DZE',
        'timestamp' => time(),
        'cdn' => 158,
        'path' => 'sestore3/jb/movie.mp4',
        //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
    } else {
        //Operation failed
        echo 'An error occured processing your request:';

Request Fields

command [REQUIRED] [string] - API command to execute
cdn_id [REQUIRED] [int] - The ScaleEngine CDN ID of your account
api_key [REQUIRED] [string] - The API key provided as part of your account
timestamp [REQUIRED] [int] - The unix timestamp of your request, used to prevent authenticated API requests from being replayed
  • [string] - The file path to be searched.
  • [array] - Array of file paths to be searched.

Example Result (JSON)

    "data" : [{
            "path" : "sestore3/jb/movie.mp4",
            "mtime" => 1421779592,
            "size" => 2939290,
            "duration" => 30.016,
            "bit_rate" => 783392,
            "video_codec" => "h264",
            "profile" => "Constrained Baseline",
            "level" => 30,
            "width" => 640,
            "height" => 360,
            "aspect_ratio" => "16:9",
            "frame_rate" => 29.97,
            "audio_codec" => "aac",
            "sample_rate" => 48000,
            "channels" => 2,
            "deleted" => 0,
            "invalid" => 0,
            "notes" => ""
    "message": "Found File Information",
    "status": "success",
    "handle_time":"0.3795 seconds"

Result Fields

data [Array] - Array of files and their details
path [String] - File path
mtime [int] - Last modified date
size [int] - File size in bytes
duration [float] - Duration of the file in seconds
bit_rate [int] - Number of bits per second encoded
video_codec [String] - Name of the video codec
profile [String] - Video profile
level [int] - Video profile level
width [int] - width of the video in pixels
height [int] - height of the video in pixels
aspect_ratio [String] - Video aspect ratio
frame_rate [float] - Frames per second
audio_codec [String] - Name of the audio codec
sample_rate [int] - Audio sample rate
channels [int] - Audio channels
deleted [int] - field is set to 1 if a file has been deleted
invalid [int] - field is set to 1 if a file is marked invalid
notes [String] - details about why a file is marked invalid
message [string] - Debugging message
status [string] - "success" or "failure"
handle_time [float] - The amount of time spent processing your request