• Added support for reading & writing non-square pixel video frames (SAR != 1:1) for ISOBMFF, Matroska, and MPEG-TS (#309). Behaves correctly when drawing video samples as well as in the Conversion API.
• Added new VideoSample fields: pixelAspectRatio, squarePixelWidth, squarePixelHeight, visibleRect
• Added new InputVideoTrack fields: pixelAspectRatio, squarePixelWidth, squarePixelHeight
• Added new Rational and Rectangle utility types
• Fixed missing runtime validation for a couple of VideoSample constructor parameters