Package org.mp4parser.boxes.apple

Class PixelAspectRationAtom

java.lang.Object
org.mp4parser.support.AbstractBox
org.mp4parser.boxes.apple.PixelAspectRationAtom
All Implemented Interfaces:
Box, ParsableBox
public class PixelAspectRationAtom extends AbstractBox

4cc = ""pasp""

This extension specifies the height-to-width ratio of pixels found in the video sample. This is a required extension for MPEG-4 and uncompressed Y ́CbCr video formats when non-square pixels are used. It is optional when square pixels are used.

  • Field Details

  • Constructor Details

    • PixelAspectRationAtom

      public PixelAspectRationAtom()

  • Method Details

    • gethSpacing

      public int gethSpacing()

    • sethSpacing

      public void sethSpacing(int hSpacing)

    • getvSpacing

      public int getvSpacing()

    • setvSpacing

      public void setvSpacing(int vSpacing)

    • getContentSize

      protected long getContentSize()
      Description copied from class: AbstractBox
      Get the box's content size without its header. This must be the exact number of bytes that getContent(ByteBuffer) writes.
      Specified by:
      getContentSize in class AbstractBox
      Returns:
      Gets the box's content size in bytes
      See Also:

    • getContent

      protected void getContent(ByteBuffer byteBuffer)
      Description copied from class: AbstractBox
      Write the box's content into the given ByteBuffer. This must include flags and version in case of a full box. byteBuffer has been initialized with getSize() bytes.
      Specified by:
      getContent in class AbstractBox
      Parameters:
      byteBuffer - the sink for the box's content

    • _parseDetails

      protected void _parseDetails(ByteBuffer content)
      Description copied from class: AbstractBox
      Parse the box's fields and child boxes if any.
      Specified by:
      _parseDetails in class AbstractBox
      Parameters:
      content - the box's raw content beginning after the 4-cc field.