Package org.mp4parser.boxes.iso14496.part12

Class BitRateBox

java.lang.Object
org.mp4parser.support.AbstractBox
org.mp4parser.boxes.iso14496.part12.BitRateBox
All Implemented Interfaces:
Box, ParsableBox
public final class BitRateBox extends AbstractBox

4cc = ""btrt""

 class BitRateBox extends Box('btrt') {
  unsigned int(32) bufferSizeDB;
  // gives the size of the decoding buffer for
  // the elementary stream in bytes.
  unsigned int(32) maxBitrate;
  // gives the maximum rate in bits/second
  // over any window of one second.
  unsigned int(32) avgBitrate;
  // avgBitrate gives the average rate in
  // bits/second over the entire presentation.
 }

  • Field Details

  • Constructor Details

    • BitRateBox

      public BitRateBox()

  • Method Details

    • 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:

    • _parseDetails

      public 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.

    • 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

    • getBufferSizeDb

      public long getBufferSizeDb()
      Get the size of the decoding buffer for the elementary stream in bytes.
      Returns:
      decoding buffer size

    • setBufferSizeDb

      public void setBufferSizeDb(long bufferSizeDb)
      Sets the size of the decoding buffer for the elementary stream in bytes
      Parameters:
      bufferSizeDb - decoding buffer size

    • getMaxBitrate

      public long getMaxBitrate()
      gets the maximum rate in bits/second over any window of one second.
      Returns:
      max bit rate

    • setMaxBitrate

      public void setMaxBitrate(long maxBitrate)
      Sets the maximum rate in bits/second over any window of one second.
      Parameters:
      maxBitrate - max bit rate

    • getAvgBitrate

      public long getAvgBitrate()
      Gets the average rate in bits/second over the entire presentation.
      Returns:
      average bit rate

    • setAvgBitrate

      public void setAvgBitrate(long avgBitrate)
      Sets the average rate in bits/second over the entire presentation.
      Parameters:
      avgBitrate - the track's average bit rate