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22 January 2019

over 5 years ago by Encoding.com Product Team #2

Auto Crop

Detect and remove video letterbox.

<?xml version="1.0"?>
<query>
    <userid><<id>></userid> <!-- required-->
    <userkey><<key>></userkey> <!-- required-->
    <action>[Action]</action> <!-- required-->
    <format>
        <auto_crop>
            <enable>[yes|no]</enable>
            <crop_type>[CropType]</crop_type>
            <limit>[Detection]</limit>
            <round>[CropRound]</round>
        </auto_crop>
    </format>
</query>

{
    "query": {
        "userid": "<<id>>",
        "userkey": "<<key>>",
        "action": "[Action]",
        "format": {
            "auto_crop": {
                "enable": "[yes|no]",
                "crop_type": "[CropType]",
                "limit": "[Detection]",
                "round": "[CropRound]"
            }
        }
    }
}
ParameterDescriptionAllowed ValuesDefault
enableEnable auto-cropping.yes, nono
crop_typeSpecify cropping type.resize - crop letterbox, then crop to keep width/height ratio then re-scaling to fit output size.
stretch - crop letterbox, then re-scaling without saving of width/heigth ratio to fit output size
crop - only letterbox cropping		resize
limitHigher black value threshold.Positive integer number from 0 to 128. Value greater than 128 will be changed to 128.

0 – Pixel must be absolutely black to be classified as black.

128 – The lightest pixels would be classified as black.		24
roundThe value which the width/height should be divisible by.Positive integer number.16

🚧

Note for crop_type

If <crop_type /> set to crop and specified for output then video will be re-scaled like if <crop_type /> set to stretch.

❗️

Note

Auto cropping will be ignored if <crop_* /> parameters are specified.

Consistent Arrays in JSON response

GetMediaInfoEx.

Request:

{
    "query": {
        "userid": "<<id>>",
        "userkey": "<<key>>",
        "action": "GetMediaInfoEx",
        "mediaid": "[MediaID]",
        "consistentarrays": "[1|0]"
    }
}

🚧

Note for JSON request

If MediaInfo contains only one track, by default track parameter in response will be object. To keep it as array add "consistentarrays": "1" parameter to request.

ParameterDescriptionAllowed ValuesDefault
consistentarraysMake arrays consistent in response1, 00

Response:

{
    "response": {
        "Mediainfo": {
            "File": {
                "track": [
                    {
                        "@attributes": {"type": "[TrackType]"}
                    },
                    {
                        "@attributes": {"type": "[TrackType]"}
                    },
                ]
            }
        }
    }
}

Changelog

  • added: auto_crop parameters
  • added: consistentarrays parameter for JSON requests