Package net.sourceforge.jiu.codecs.jpeg
Class JPEGConstants
- java.lang.Object
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- net.sourceforge.jiu.codecs.jpeg.JPEGConstants
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public final class JPEGConstants extends Object
Constants necessary to encode and decode JPEG streams.- Since:
- 0.13.0
- Author:
- Marco Schmidt
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Field Summary
Fields Modifier and Type Field Description static int
BLOCK_EDGE_LENGTH
Length of sample block edge, in samples (8).static int
JFIF_SIGNATURE
16 bit value that denotes the beginning of a JPEG stream (0xffd8).static int
MARKER_DHT
DHT (define Huffman table) marker ID value.static int
MARKER_DQT
DQT (define quantization table) marker ID value.static int
MARKER_SOF0
SOF0 (start of frame, type 0) marker ID value.static int
MARKER_SOF1
SOF1 (start of frame, type 1) marker ID value.static int
MARKER_SOF2
SOF2 (start of frame, type 2) marker ID value.static int
MARKER_SOF3
SOF3 (start of frame, type 3) marker ID value.static int
MARKER_SOF5
SOF5 (start of frame, type 5) marker ID value.static int
MARKER_SOF6
SOF6 (start of frame, type 6) marker ID value.static int
MARKER_SOF7
SOF7 (start of frame, type 7) marker ID value.static int
MARKER_SOF9
SOF9 (start of frame, type 9) marker ID value.static int
MARKER_SOFA
SOFa (start of frame, type a) marker ID value.static int
MARKER_SOFB
SOFb (start of frame, type b) marker ID value.static int
MARKER_SOFD
SOFd (start of frame, type d) marker ID value.static int
MARKER_SOFE
SOFe (start of frame, type e) marker ID value.static int
MARKER_SOFF
SOFf (start of frame, type f) marker ID value.static int
MARKER_SOS
SOS (start of scan) marker ID value.static int
MAX_HUFFMAN_CODE_LENGTH
Maximum length of a Huffman code in bit (16).static int
SAMPLES_PER_BLOCK
Number of samples in a block of samples (64).
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Constructor Summary
Constructors Modifier Constructor Description private
JPEGConstants()
Empty private constructor to prevent instantiation of this class.
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Field Detail
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BLOCK_EDGE_LENGTH
public static final int BLOCK_EDGE_LENGTH
Length of sample block edge, in samples (8).- See Also:
- Constant Field Values
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JFIF_SIGNATURE
public static final int JFIF_SIGNATURE
16 bit value that denotes the beginning of a JPEG stream (0xffd8).- See Also:
- Constant Field Values
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MARKER_DHT
public static final int MARKER_DHT
DHT (define Huffman table) marker ID value.- See Also:
- Constant Field Values
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MARKER_DQT
public static final int MARKER_DQT
DQT (define quantization table) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF0
public static final int MARKER_SOF0
SOF0 (start of frame, type 0) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF1
public static final int MARKER_SOF1
SOF1 (start of frame, type 1) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF2
public static final int MARKER_SOF2
SOF2 (start of frame, type 2) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF3
public static final int MARKER_SOF3
SOF3 (start of frame, type 3) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF5
public static final int MARKER_SOF5
SOF5 (start of frame, type 5) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF6
public static final int MARKER_SOF6
SOF6 (start of frame, type 6) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF7
public static final int MARKER_SOF7
SOF7 (start of frame, type 7) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOF9
public static final int MARKER_SOF9
SOF9 (start of frame, type 9) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOFA
public static final int MARKER_SOFA
SOFa (start of frame, type a) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOFB
public static final int MARKER_SOFB
SOFb (start of frame, type b) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOFD
public static final int MARKER_SOFD
SOFd (start of frame, type d) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOFE
public static final int MARKER_SOFE
SOFe (start of frame, type e) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOFF
public static final int MARKER_SOFF
SOFf (start of frame, type f) marker ID value.- See Also:
- Constant Field Values
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MARKER_SOS
public static final int MARKER_SOS
SOS (start of scan) marker ID value.- See Also:
- Constant Field Values
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MAX_HUFFMAN_CODE_LENGTH
public static final int MAX_HUFFMAN_CODE_LENGTH
Maximum length of a Huffman code in bit (16).- See Also:
- Constant Field Values
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SAMPLES_PER_BLOCK
public static final int SAMPLES_PER_BLOCK
Number of samples in a block of samples (64).- See Also:
- Constant Field Values
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