Package net.bramp.ffmpeg.nut

Class NutDataInputStream

java.lang.Object

net.bramp.ffmpeg.nut.NutDataInputStream

All Implemented Interfaces:

DataInput

public class NutDataInputStream
extends Object
implements DataInput

A DataInputStream that implements a couple of custom FFmpeg Nut datatypes.

Constructor Summary

Constructors

Constructor	Description
NutDataInputStream(InputStream in)	Constructs a new NutDataInputStream wrapping the given input stream.

Method Summary

Modifier and Type	Method	Description
long	getCRC()	Returns the current CRC32 checksum value.
long	offset()	Returns the current byte offset in the input stream.
boolean	readBoolean()
byte	readByte()
char	readChar()
double	readDouble()
float	readFloat()
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
int	readInt()
String	readLine()	Deprecated.
long	readLong()
short	readShort()
long	readSignedVarInt()	Reads a signed variable-length encoded integer.
long	readStartCode()	Returns the start code, or the frame code if it does not start with 'N'.
int	readUnsignedByte()
int	readUnsignedShort()
String	readUTF()
byte[]	readVarArray()	Reads a byte array prefixed with a variable-length encoded length.
int	readVarInt()	Reads a variable-length encoded integer up to 32 bits.
long	readVarLong()	Reads a variable-length encoded integer up to 64 bits.
void	resetCRC()	Resets the CRC32 checksum for a new calculation range.
int	skipBytes(int n)

Methods inherited from class java.lang.Object

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

Constructor Details

NutDataInputStream

public NutDataInputStream(InputStream in)

Constructs a new NutDataInputStream wrapping the given input stream.

Method Details

resetCRC

public void resetCRC()

Resets the CRC32 checksum for a new calculation range.

getCRC

public long getCRC()

Returns the current CRC32 checksum value.

readVarInt

public int readVarInt()
               throws IOException

Reads a variable-length encoded integer up to 32 bits.

Throws:

IOException

readVarLong

public long readVarLong()
                 throws IOException

Reads a variable-length encoded integer up to 64 bits.

Throws:

IOException

readSignedVarInt

public long readSignedVarInt()
                      throws IOException

Reads a signed variable-length encoded integer.

Throws:

IOException

readVarArray

public byte[] readVarArray()
                    throws IOException

Reads a byte array prefixed with a variable-length encoded length.

Throws:

IOException

readStartCode

public long readStartCode()
                   throws IOException

Returns the start code, or the frame code if it does not start with 'N'.

Throws:

IOException

offset

public long offset()

Returns the current byte offset in the input stream.

readFully

public void readFully(byte[] b)
               throws IOException

Specified by:

readFully in interface DataInput

Throws:

IOException

readFully

public void readFully(byte[] b,
 int off,
 int len)
               throws IOException

Specified by:

readFully in interface DataInput

Throws:

IOException

skipBytes

public int skipBytes(int n)
              throws IOException

Specified by:

skipBytes in interface DataInput

Throws:

IOException

readBoolean

public boolean readBoolean()
                    throws IOException

Specified by:

readBoolean in interface DataInput

Throws:

IOException

readByte

public byte readByte()
              throws IOException

Specified by:

readByte in interface DataInput

Throws:

IOException

readUnsignedByte

public int readUnsignedByte()
                     throws IOException

Specified by:

readUnsignedByte in interface DataInput

Throws:

IOException

readShort

public short readShort()
                throws IOException

Specified by:

readShort in interface DataInput

Throws:

IOException

readUnsignedShort

public int readUnsignedShort()
                      throws IOException

Specified by:

readUnsignedShort in interface DataInput

Throws:

IOException

readChar

public char readChar()
              throws IOException

Specified by:

readChar in interface DataInput

Throws:

IOException

readInt

public int readInt()
            throws IOException

Specified by:

readInt in interface DataInput

Throws:

IOException

readLong

public long readLong()
              throws IOException

Specified by:

readLong in interface DataInput

Throws:

IOException

readFloat

public float readFloat()
                throws IOException

Specified by:

readFloat in interface DataInput

Throws:

IOException

readDouble

public double readDouble()
                  throws IOException

Specified by:

readDouble in interface DataInput

Throws:

IOException

readLine

@Deprecated
public String readLine()
                throws IOException

Deprecated.

Specified by:

readLine in interface DataInput

Throws:

IOException

readUTF

public String readUTF()
               throws IOException

Specified by:

readUTF in interface DataInput

Throws:

IOException