Represents the "P" entry of the media rendition dictionary object.

It is defined as part of the PDF 1.0 specification.

It contains a MediaPlayParametersElement.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 271, page 491.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 282, page 616.

The P entry references the media play parameters dictionary that controls playback behaviour such as volume, repeat count, duration, and whether player controls are displayed.