public String getParControl() {
        return this.parControl;
    }
Optional. Specify how the service determines the pixel aspect ratio (PAR) for this output. The default behavior,
Follow source, uses the PAR from your input video for your output. To specify a different PAR in the console,
choose any value other than Follow source. When you choose SPECIFIED for this setting, you must also specify
values for the parNumerator and parDenominator settings.

@return Optional. Specify how the service determines the pixel aspect ratio (PAR) for this output. The default
        behavior, Follow source, uses the PAR from your input video for your output. To specify a different PAR
        in the console, choose any value other than Follow source. When you choose SPECIFIED for this setting,
        you must also specify values for the parNumerator and parDenominator settings.
@see H264ParControl
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/H264Settings.java