public H264Settings withParControl(String parControl) {
        setParControl(parControl);
        return this;
    }
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.

@param 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 Returns a reference to this object so that method calls can be chained together.
@see H264ParControl
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/H264Settings.java