corrade-vassal – Blame information for rev 1
?pathlinks?
Rev | Author | Line No. | Line |
---|---|---|---|
1 | vero | 1 | /* |
2 | * CVS identifier: |
||
3 | * |
||
4 | * $Id: EBCOTLayer.java,v 1.9 2001/05/16 09:40:58 grosbois Exp $ |
||
5 | * |
||
6 | * Class: EBCOTLayer |
||
7 | * |
||
8 | * Description: Storage for layer information, |
||
9 | * used by EBCOTRateAllocator |
||
10 | * |
||
11 | * class that was in EBCOTRateAllocator. |
||
12 | * |
||
13 | * |
||
14 | * COPYRIGHT: |
||
15 | * |
||
16 | * This software module was originally developed by Raphaël Grosbois and |
||
17 | * Diego Santa Cruz (Swiss Federal Institute of Technology-EPFL); Joel |
||
18 | * Askelöf (Ericsson Radio Systems AB); and Bertrand Berthelot, David |
||
19 | * Bouchard, Félix Henry, Gerard Mozelle and Patrice Onno (Canon Research |
||
20 | * Centre France S.A) in the course of development of the JPEG2000 |
||
21 | * standard as specified by ISO/IEC 15444 (JPEG 2000 Standard). This |
||
22 | * software module is an implementation of a part of the JPEG 2000 |
||
23 | * Standard. Swiss Federal Institute of Technology-EPFL, Ericsson Radio |
||
24 | * Systems AB and Canon Research Centre France S.A (collectively JJ2000 |
||
25 | * Partners) agree not to assert against ISO/IEC and users of the JPEG |
||
26 | * 2000 Standard (Users) any of their rights under the copyright, not |
||
27 | * including other intellectual property rights, for this software module |
||
28 | * with respect to the usage by ISO/IEC and Users of this software module |
||
29 | * or modifications thereof for use in hardware or software products |
||
30 | * claiming conformance to the JPEG 2000 Standard. Those intending to use |
||
31 | * this software module in hardware or software products are advised that |
||
32 | * their use may infringe existing patents. The original developers of |
||
33 | * this software module, JJ2000 Partners and ISO/IEC assume no liability |
||
34 | * for use of this software module or modifications thereof. No license |
||
35 | * or right to this software module is granted for non JPEG 2000 Standard |
||
36 | * conforming products. JJ2000 Partners have full right to use this |
||
37 | * software module for his/her own purpose, assign or donate this |
||
38 | * software module to any third party and to inhibit third parties from |
||
39 | * using this software module for non JPEG 2000 Standard conforming |
||
40 | * products. This copyright notice must be included in all copies or |
||
41 | * derivative works of this software module. |
||
42 | * |
||
43 | * Copyright (c) 1999/2000 JJ2000 Partners. |
||
44 | * */ |
||
45 | using System; |
||
46 | namespace CSJ2K.j2k.entropy.encoder |
||
47 | { |
||
48 | |||
49 | /// <summary> This class holds information about each layer that is to be, or has already |
||
50 | /// been, allocated . It is used in the rate-allocation process to keep the |
||
51 | /// necessary layer information. It is used by EBCOTRateAllocator. |
||
52 | /// |
||
53 | /// </summary> |
||
54 | /// <seealso cref="EBCOTRateAllocator"> |
||
55 | /// |
||
56 | /// </seealso> |
||
57 | class EBCOTLayer |
||
58 | { |
||
59 | /// <summary> This is the maximum number of bytes that should be allocated for this |
||
60 | /// and previous layers. This is actually the target length for the layer. |
||
61 | /// |
||
62 | /// </summary> |
||
63 | internal int maxBytes; |
||
64 | |||
65 | /// <summary> The actual number of bytes which are consumed by the the current and |
||
66 | /// any previous layers. This is the result from a simulation when the |
||
67 | /// threshold for the layer has been set. |
||
68 | /// |
||
69 | /// </summary> |
||
70 | internal int actualBytes; |
||
71 | |||
72 | /// <summary> If true the `maxBytes' value is the hard maximum and the threshold is |
||
73 | /// determined iteratively. If false the `maxBytes' value is a target |
||
74 | /// bitrate and the threshold is estimated from summary information |
||
75 | /// accumulated during block coding. |
||
76 | /// |
||
77 | /// </summary> |
||
78 | internal bool optimize; |
||
79 | |||
80 | /// <summary> The rate-distortion threshold associated with the bit-stream |
||
81 | /// layer. When set the layer includes data up to the truncation points |
||
82 | /// that have a slope no smaller than 'rdThreshold'. |
||
83 | /// |
||
84 | /// </summary> |
||
85 | internal float rdThreshold; |
||
86 | } |
||
87 | } |