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Copyright 2013-01-06 Werner Randelshofer | ||||||||
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java.lang.Object java.io.OutputStream java.io.FilterOutputStream org.monte.media.quicktime.DataAtomOutputStream
public class DataAtomOutputStream
This output stream filter supports common data types used inside of a QuickTime Data Atom.
Field Summary | |
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protected static long |
MAC_TIMESTAMP_EPOCH
|
protected long |
written
The number of bytes written to the data output stream so far. |
Fields inherited from class java.io.FilterOutputStream |
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out |
Constructor Summary | |
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DataAtomOutputStream(java.io.OutputStream out)
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Method Summary | |
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protected void |
incCount(int value)
Increases the written counter by the specified value until it reaches Long.MAX_VALUE. |
long |
size()
Returns the current value of the counter written ,
the number of bytes written to this data output stream so far. |
void |
write(byte[] b,
int off,
int len)
Writes len bytes from the specified byte array
starting at offset off to the underlying output stream. |
void |
write(int b)
Writes the specified byte (the low eight bits of the argument b ) to the underlying output stream. |
void |
writeBCD2(int v)
Writes a BCD2 to the underlying output stream. |
void |
writeBCD4(int v)
Writes a BCD4 to the underlying output stream. |
void |
writeByte(int v)
Writes out a byte to the underlying output stream as
a 1-byte value. |
void |
writeFixed16D16(double f)
Writes 32-bit fixed-point number divided as 16.16. |
void |
writeFixed2D30(double f)
Writes 32-bit fixed-point number divided as 2.30. |
void |
writeFixed8D8(double f)
Writes 32-bit fixed-point number divided as 8.8. |
void |
writeInt(int v)
Writes an int to the underlying output stream as four
bytes, high byte first. |
void |
writeInt24(int v)
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void |
writeInts(int[] i,
int off,
int len)
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void |
writeInts24(int[] i,
int off,
int len)
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void |
writeLong(long v)
|
void |
writeMacTimestamp(java.util.Date date)
Writes a 32-bit Mac timestamp (seconds since 1902). |
void |
writePString(java.lang.String s)
Writes a Pascal String. |
void |
writePString(java.lang.String s,
int length)
Writes a Pascal String padded to the specified fixed size in bytes |
void |
writeShort(int v)
Writes a signed 16 bit integer value. |
void |
writeShorts(short[] s,
int off,
int len)
|
void |
writeType(java.lang.String s)
Writes an Atom Type identifier (4 bytes). |
void |
writeUInt(long v)
Writes an unsigned 32 bit integer value. |
void |
writeUShort(int v)
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Methods inherited from class java.io.FilterOutputStream |
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close, flush, write |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected static final long MAC_TIMESTAMP_EPOCH
protected long written
Constructor Detail |
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public DataAtomOutputStream(java.io.OutputStream out)
Method Detail |
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public void writeType(java.lang.String s) throws java.io.IOException
s
- A string with a length of 4 characters.
java.io.IOException
public final void writeByte(int v) throws java.io.IOException
byte
to the underlying output stream as
a 1-byte value. If no exception is thrown, the counter
written
is incremented by 1
.
v
- a byte
value to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void write(byte[] b, int off, int len) throws java.io.IOException
len
bytes from the specified byte array
starting at offset off
to the underlying output stream.
If no exception is thrown, the counter written
is
incremented by len
.
write
in class java.io.FilterOutputStream
b
- the data.off
- the start offset in the data.len
- the number of bytes to write.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void write(int b) throws java.io.IOException
b
) to the underlying output stream. If no exception
is thrown, the counter written
is incremented by
1
.
Implements the write
method of OutputStream
.
write
in class java.io.FilterOutputStream
b
- the byte
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writeInt(int v) throws java.io.IOException
int
to the underlying output stream as four
bytes, high byte first. If no exception is thrown, the counter
written
is incremented by 4
.
v
- an int
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writeUInt(long v) throws java.io.IOException
v
- The value
java.io.IOException
public void writeShort(int v) throws java.io.IOException
v
- The value
java.io.IOException
public void writeBCD2(int v) throws java.io.IOException
BCD2
to the underlying output stream.
v
- an int
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writeBCD4(int v) throws java.io.IOException
BCD4
to the underlying output stream.
v
- an int
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writeMacTimestamp(java.util.Date date) throws java.io.IOException
date
-
java.io.IOException
public void writeFixed16D16(double f) throws java.io.IOException
f
- an int
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writeFixed2D30(double f) throws java.io.IOException
f
- an int
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writeFixed8D8(double f) throws java.io.IOException
f
- an int
to be written.
java.io.IOException
- if an I/O error occurs.FilterOutputStream.out
public void writePString(java.lang.String s) throws java.io.IOException
s
-
java.io.IOException
public void writePString(java.lang.String s, int length) throws java.io.IOException
s
- length
- the fixed size in bytes
java.io.IOException
public void writeLong(long v) throws java.io.IOException
java.io.IOException
public void writeUShort(int v) throws java.io.IOException
java.io.IOException
protected void incCount(int value)
public void writeShorts(short[] s, int off, int len) throws java.io.IOException
java.io.IOException
public void writeInts(int[] i, int off, int len) throws java.io.IOException
java.io.IOException
public void writeInt24(int v) throws java.io.IOException
java.io.IOException
public void writeInts24(int[] i, int off, int len) throws java.io.IOException
java.io.IOException
public final long size()
written
,
the number of bytes written to this data output stream so far.
If the counter overflows, it will be wrapped to Integer.MAX_VALUE.
written
field.DataOutputStream.written
|
Copyright 2013-01-06 Werner Randelshofer | ||||||||
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