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      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.usbtuner.data;
     18 
     19 import com.android.usbtuner.cc.Cea708Parser;
     20 
     21 import android.graphics.Color;
     22 import android.support.annotation.NonNull;
     23 
     24 /**
     25  * Collection of CEA-708 structures.
     26  */
     27 public class Cea708Data {
     28 
     29     private Cea708Data() {
     30     }
     31 
     32     // According to CEA-708B, the range of valid service number is between 1 and 63.
     33     public static final int EMPTY_SERVICE_NUMBER = 0;
     34 
     35     // For the details of the ranges of DTVCC code groups, see CEA-708B Table 6.
     36     public static final int CODE_C0_RANGE_START = 0x00;
     37     public static final int CODE_C0_RANGE_END = 0x1f;
     38     public static final int CODE_C1_RANGE_START = 0x80;
     39     public static final int CODE_C1_RANGE_END = 0x9f;
     40     public static final int CODE_G0_RANGE_START = 0x20;
     41     public static final int CODE_G0_RANGE_END = 0x7f;
     42     public static final int CODE_G1_RANGE_START = 0xa0;
     43     public static final int CODE_G1_RANGE_END = 0xff;
     44     public static final int CODE_C2_RANGE_START = 0x00;
     45     public static final int CODE_C2_RANGE_END = 0x1f;
     46     public static final int CODE_C3_RANGE_START = 0x80;
     47     public static final int CODE_C3_RANGE_END = 0x9f;
     48     public static final int CODE_G2_RANGE_START = 0x20;
     49     public static final int CODE_G2_RANGE_END = 0x7f;
     50     public static final int CODE_G3_RANGE_START = 0xa0;
     51     public static final int CODE_G3_RANGE_END = 0xff;
     52 
     53     // The following ranges are defined in CEA-708B Section 7.4.1.
     54     public static final int CODE_C0_SKIP2_RANGE_START = 0x18;
     55     public static final int CODE_C0_SKIP2_RANGE_END = 0x1f;
     56     public static final int CODE_C0_SKIP1_RANGE_START = 0x10;
     57     public static final int CODE_C0_SKIP1_RANGE_END = 0x17;
     58 
     59     // The following ranges are defined in CEA-708B Section 7.4.7.
     60     public static final int CODE_C2_SKIP0_RANGE_START = 0x00;
     61     public static final int CODE_C2_SKIP0_RANGE_END = 0x07;
     62     public static final int CODE_C2_SKIP1_RANGE_START = 0x08;
     63     public static final int CODE_C2_SKIP1_RANGE_END = 0x0f;
     64     public static final int CODE_C2_SKIP2_RANGE_START = 0x10;
     65     public static final int CODE_C2_SKIP2_RANGE_END = 0x17;
     66     public static final int CODE_C2_SKIP3_RANGE_START = 0x18;
     67     public static final int CODE_C2_SKIP3_RANGE_END = 0x1f;
     68 
     69     // The following ranges are defined in CEA-708B Section 7.4.8.
     70     public static final int CODE_C3_SKIP4_RANGE_START = 0x80;
     71     public static final int CODE_C3_SKIP4_RANGE_END = 0x87;
     72     public static final int CODE_C3_SKIP5_RANGE_START = 0x88;
     73     public static final int CODE_C3_SKIP5_RANGE_END = 0x8f;
     74 
     75     // The following values are the special characters of CEA-708 spec.
     76     public static final int CODE_C0_NUL = 0x00;
     77     public static final int CODE_C0_ETX = 0x03;
     78     public static final int CODE_C0_BS = 0x08;
     79     public static final int CODE_C0_FF = 0x0c;
     80     public static final int CODE_C0_CR = 0x0d;
     81     public static final int CODE_C0_HCR = 0x0e;
     82     public static final int CODE_C0_EXT1 = 0x10;
     83     public static final int CODE_C0_P16 = 0x18;
     84     public static final int CODE_G0_MUSICNOTE = 0x7f;
     85     public static final int CODE_G2_TSP = 0x20;
     86     public static final int CODE_G2_NBTSP = 0x21;
     87     public static final int CODE_G2_BLK = 0x30;
     88     public static final int CODE_G3_CC = 0xa0;
     89 
     90     // The following values are the command bits of CEA-708 spec.
     91     public static final int CODE_C1_CW0 = 0x80;
     92     public static final int CODE_C1_CW1 = 0x81;
     93     public static final int CODE_C1_CW2 = 0x82;
     94     public static final int CODE_C1_CW3 = 0x83;
     95     public static final int CODE_C1_CW4 = 0x84;
     96     public static final int CODE_C1_CW5 = 0x85;
     97     public static final int CODE_C1_CW6 = 0x86;
     98     public static final int CODE_C1_CW7 = 0x87;
     99     public static final int CODE_C1_CLW = 0x88;
    100     public static final int CODE_C1_DSW = 0x89;
    101     public static final int CODE_C1_HDW = 0x8a;
    102     public static final int CODE_C1_TGW = 0x8b;
    103     public static final int CODE_C1_DLW = 0x8c;
    104     public static final int CODE_C1_DLY = 0x8d;
    105     public static final int CODE_C1_DLC = 0x8e;
    106     public static final int CODE_C1_RST = 0x8f;
    107     public static final int CODE_C1_SPA = 0x90;
    108     public static final int CODE_C1_SPC = 0x91;
    109     public static final int CODE_C1_SPL = 0x92;
    110     public static final int CODE_C1_SWA = 0x97;
    111     public static final int CODE_C1_DF0 = 0x98;
    112     public static final int CODE_C1_DF1 = 0x99;
    113     public static final int CODE_C1_DF2 = 0x9a;
    114     public static final int CODE_C1_DF3 = 0x9b;
    115     public static final int CODE_C1_DF4 = 0x9c;
    116     public static final int CODE_C1_DF5 = 0x9d;
    117     public static final int CODE_C1_DF6 = 0x9e;
    118     public static final int CODE_C1_DF7 = 0x9f;
    119 
    120     public static class CcPacket implements Comparable<CcPacket> {
    121         public final byte[] bytes;
    122         public final int ccCount;
    123         public final long pts;
    124 
    125         public CcPacket(byte[] bytes, int ccCount, long pts) {
    126             this.bytes = bytes;
    127             this.ccCount = ccCount;
    128             this.pts = pts;
    129         }
    130 
    131         @Override
    132         public int compareTo(@NonNull CcPacket another) {
    133             return Long.compare(pts, another.pts);
    134         }
    135     }
    136 
    137     /**
    138      * CEA-708B-specific color.
    139      */
    140     public static class CaptionColor {
    141         public static final int OPACITY_SOLID = 0;
    142         public static final int OPACITY_FLASH = 1;
    143         public static final int OPACITY_TRANSLUCENT = 2;
    144         public static final int OPACITY_TRANSPARENT = 3;
    145 
    146         private static final int[] COLOR_MAP = new int[] { 0x00, 0x0f, 0xf0, 0xff };
    147         private static final int[] OPACITY_MAP = new int[] { 0xff, 0xfe, 0x80, 0x00 };
    148 
    149         public final int opacity;
    150         public final int red;
    151         public final int green;
    152         public final int blue;
    153 
    154         public CaptionColor(int opacity, int red, int green, int blue) {
    155             this.opacity = opacity;
    156             this.red = red;
    157             this.green = green;
    158             this.blue = blue;
    159         }
    160 
    161         public int getArgbValue() {
    162             return Color.argb(
    163                     OPACITY_MAP[opacity], COLOR_MAP[red], COLOR_MAP[green], COLOR_MAP[blue]);
    164         }
    165     }
    166 
    167     /**
    168      * Caption event generated by {@link Cea708Parser}.
    169      */
    170     public static class CaptionEvent {
    171         @Cea708Parser.CaptionEmitType public final int type;
    172         public final Object obj;
    173 
    174         public CaptionEvent(int type, Object obj) {
    175             this.type = type;
    176             this.obj = obj;
    177         }
    178     }
    179 
    180     /**
    181      * Pen style information.
    182      */
    183     public static class CaptionPenAttr {
    184         // Pen sizes
    185         public static final int PEN_SIZE_SMALL = 0;
    186         public static final int PEN_SIZE_STANDARD = 1;
    187         public static final int PEN_SIZE_LARGE = 2;
    188 
    189         // Offsets
    190         public static final int OFFSET_SUBSCRIPT = 0;
    191         public static final int OFFSET_NORMAL = 1;
    192         public static final int OFFSET_SUPERSCRIPT = 2;
    193 
    194         public final int penSize;
    195         public final int penOffset;
    196         public final int textTag;
    197         public final int fontTag;
    198         public final int edgeType;
    199         public final boolean underline;
    200         public final boolean italic;
    201 
    202         public CaptionPenAttr(int penSize, int penOffset, int textTag, int fontTag, int edgeType,
    203                 boolean underline, boolean italic) {
    204             this.penSize = penSize;
    205             this.penOffset = penOffset;
    206             this.textTag = textTag;
    207             this.fontTag = fontTag;
    208             this.edgeType = edgeType;
    209             this.underline = underline;
    210             this.italic = italic;
    211         }
    212     }
    213 
    214     /**
    215      * {@link CaptionColor} objects that indicate the foreground, background, and edge color of a
    216      * pen.
    217      */
    218     public static class CaptionPenColor {
    219         public final CaptionColor foregroundColor;
    220         public final CaptionColor backgroundColor;
    221         public final CaptionColor edgeColor;
    222 
    223         public CaptionPenColor(CaptionColor foregroundColor, CaptionColor backgroundColor,
    224                 CaptionColor edgeColor) {
    225             this.foregroundColor = foregroundColor;
    226             this.backgroundColor = backgroundColor;
    227             this.edgeColor = edgeColor;
    228         }
    229     }
    230 
    231     /**
    232      * Location information of a pen.
    233      */
    234     public static class CaptionPenLocation {
    235         public final int row;
    236         public final int column;
    237 
    238         public CaptionPenLocation(int row, int column) {
    239             this.row = row;
    240             this.column = column;
    241         }
    242     }
    243 
    244     /**
    245      * Attributes of a caption window, which is defined in CEA-708B.
    246      */
    247     public static class CaptionWindowAttr {
    248         public final CaptionColor fillColor;
    249         public final CaptionColor borderColor;
    250         public final int borderType;
    251         public final boolean wordWrap;
    252         public final int printDirection;
    253         public final int scrollDirection;
    254         public final int justify;
    255         public final int effectDirection;
    256         public final int effectSpeed;
    257         public final int displayEffect;
    258 
    259         public CaptionWindowAttr(CaptionColor fillColor, CaptionColor borderColor, int borderType,
    260                 boolean wordWrap, int printDirection, int scrollDirection, int justify,
    261                 int effectDirection,
    262                 int effectSpeed, int displayEffect) {
    263             this.fillColor = fillColor;
    264             this.borderColor = borderColor;
    265             this.borderType = borderType;
    266             this.wordWrap = wordWrap;
    267             this.printDirection = printDirection;
    268             this.scrollDirection = scrollDirection;
    269             this.justify = justify;
    270             this.effectDirection = effectDirection;
    271             this.effectSpeed = effectSpeed;
    272             this.displayEffect = displayEffect;
    273         }
    274     }
    275 
    276     /**
    277      * Construction information of the caption window of CEA-708B.
    278      */
    279     public static class CaptionWindow {
    280         public final int id;
    281         public final boolean visible;
    282         public final boolean rowLock;
    283         public final boolean columnLock;
    284         public final int priority;
    285         public final boolean relativePositioning;
    286         public final int anchorVertical;
    287         public final int anchorHorizontal;
    288         public final int anchorId;
    289         public final int rowCount;
    290         public final int columnCount;
    291         public final int penStyle;
    292         public final int windowStyle;
    293 
    294         public CaptionWindow(int id, boolean visible,
    295                 boolean rowLock, boolean columnLock, int priority, boolean relativePositioning,
    296                 int anchorVertical, int anchorHorizontal, int anchorId,
    297                 int rowCount, int columnCount, int penStyle, int windowStyle) {
    298             this.id = id;
    299             this.visible = visible;
    300             this.rowLock = rowLock;
    301             this.columnLock = columnLock;
    302             this.priority = priority;
    303             this.relativePositioning = relativePositioning;
    304             this.anchorVertical = anchorVertical;
    305             this.anchorHorizontal = anchorHorizontal;
    306             this.anchorId = anchorId;
    307             this.rowCount = rowCount;
    308             this.columnCount = columnCount;
    309             this.penStyle = penStyle;
    310             this.windowStyle = windowStyle;
    311         }
    312     }
    313 }
    314