public H264Settings withParNumerator(Integer parNumerator) {
        setParNumerator(parNumerator);
        return this;
    }
Required when you set Pixel aspect ratio to SPECIFIED. On the console, this corresponds to any value other than
Follow source. When you specify an output pixel aspect ratio (PAR) that is different from your input video PAR,
provide your output PAR as a ratio. For example, for D1/DV NTSC widescreen, you would specify the ratio 40:33. In
this example, the value for parNumerator is 40.

@param parNumerator
       Required when you set Pixel aspect ratio to SPECIFIED. On the console, this corresponds to any value other
       than Follow source. When you specify an output pixel aspect ratio (PAR) that is different from your input
       video PAR, provide your output PAR as a ratio. For example, for D1/DV NTSC widescreen, you would specify
       the ratio 40:33. In this example, the value for parNumerator is 40.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-mediaconvert/src/main/java/com/amazonaws/services/mediaconvert/model/H264Settings.java