org.monte.media.avi

Class AbstractAVIStream.MainHeader

java.lang.Object

org.monte.media.avi.AbstractAVIStream.MainHeader

Enclosing class:

AbstractAVIStream

protected static class AbstractAVIStream.MainHeader
extends Object

Holds information about the entire movie.

 ---------------
 AVI Main Header
 ---------------

 Set values taken from
 http://graphics.cs.uni-sb.de/NMM/dist-0.4.0/Docs/Doxygen/html/avifmt_8h.html

 typedef struct {
     DWORD  microSecPerFrame;
             // Specifies the number of microseconds between frames.
             // This value indicates the overall timing for the file.
     DWORD  maxBytesPerSec;
             // Specifies the approximate maximum data rate of the file. This
             // value indicates the number of bytes per second the system must
             // handle to present an AVI sequence as specified by the other
             // parameters contained in the main header and stream header chunks.
     DWORD  paddingGranularity;
             // Specifies the alignment for data, in bytes. Pad the data to
             // multiples of this value.
     DWORD set avihFlags  flags;
             // Contains a bitwise combination of zero or more of the following flags:
     DWORD  totalFrames;
             // Specifies the total number of frames of data in the file.
     DWORD  initialFrames;
             // Specifies the initial frame for interleaved files. Noninterleaved
             // files should specify zero. If you are creating interleaved files,
             // specify the number of frames in the file prior to the initial
             // frame of the AVI sequence in this member. For more information
             // about the contents of this member, see "Special Information for
             // Interleaved Files" in the Video for Windows Programmer's Guide.
     DWORD  streams;
             // Specifies the number of streams in the file. For example, a file
             // with audio and video has two streams.
     DWORD  suggestedBufferSize;
             // Specifies the suggested buffer size for reading the file.
             // Generally, this size should be large enough to contain the
             // largest chunk in the file. If set to zero, or if it is too small,
             // the playback software will have to reallocate memory during
             // playback, which will reduce performance. For an interleaved file,
             // the buffer size should be large enough to read an entire record,
             // and not just a chunk.
     DWORD  width;
             // Specifies the width of the AVI file in pixels.
     DWORD  height;
             // Specifies the height of the AVI file in pixels.
     DWORD[]  reserved;
             // Reserved. Set this array to zero.
 } AVIMAINHEADER;
 

Field Summary

Fields

Modifier and Type	Field and Description
protected int	flags
protected long	initialFrames
protected long	maxBytesPerSec
protected long	microSecPerFrame Specifies the number of microseconds (=10E-6 seconds) between frames.
protected long	paddingGranularity
protected Dimension	size Width and height of the movie.
protected long	streams
protected long	suggestedBufferSize
protected long	totalFrames

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractAVIStream.MainHeader()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

microSecPerFrame

protected long microSecPerFrame

Specifies the number of microseconds (=10E-6 seconds) between frames. This value indicates the overall timing for the file.

maxBytesPerSec

protected long maxBytesPerSec

paddingGranularity

protected long paddingGranularity

flags

protected int flags

totalFrames

protected long totalFrames

initialFrames

protected long initialFrames

streams

protected long streams

suggestedBufferSize

protected long suggestedBufferSize

size

protected Dimension size

Width and height of the movie. Null if not specified.

Constructor Detail

AbstractAVIStream.MainHeader

protected AbstractAVIStream.MainHeader()