diff options
Diffstat (limited to 'tuner/src/com/android/tv/tuner/data/Cea708Data.java')
| -rw-r--r-- | tuner/src/com/android/tv/tuner/data/Cea708Data.java | 329 |
1 files changed, 329 insertions, 0 deletions
diff --git a/tuner/src/com/android/tv/tuner/data/Cea708Data.java b/tuner/src/com/android/tv/tuner/data/Cea708Data.java new file mode 100644 index 00000000..73a90181 --- /dev/null +++ b/tuner/src/com/android/tv/tuner/data/Cea708Data.java @@ -0,0 +1,329 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.tv.tuner.data; + +import android.graphics.Color; +import android.support.annotation.NonNull; +import com.android.tv.tuner.cc.Cea708Parser; + +/** Collection of CEA-708 structures. */ +public class Cea708Data { + + private Cea708Data() {} + + // According to CEA-708B, the range of valid service number is between 1 and 63. + public static final int EMPTY_SERVICE_NUMBER = 0; + + // For the details of the ranges of DTVCC code groups, see CEA-708B Table 6. + public static final int CODE_C0_RANGE_START = 0x00; + public static final int CODE_C0_RANGE_END = 0x1f; + public static final int CODE_C1_RANGE_START = 0x80; + public static final int CODE_C1_RANGE_END = 0x9f; + public static final int CODE_G0_RANGE_START = 0x20; + public static final int CODE_G0_RANGE_END = 0x7f; + public static final int CODE_G1_RANGE_START = 0xa0; + public static final int CODE_G1_RANGE_END = 0xff; + public static final int CODE_C2_RANGE_START = 0x00; + public static final int CODE_C2_RANGE_END = 0x1f; + public static final int CODE_C3_RANGE_START = 0x80; + public static final int CODE_C3_RANGE_END = 0x9f; + public static final int CODE_G2_RANGE_START = 0x20; + public static final int CODE_G2_RANGE_END = 0x7f; + public static final int CODE_G3_RANGE_START = 0xa0; + public static final int CODE_G3_RANGE_END = 0xff; + + // The following ranges are defined in CEA-708B Section 7.4.1. + public static final int CODE_C0_SKIP2_RANGE_START = 0x18; + public static final int CODE_C0_SKIP2_RANGE_END = 0x1f; + public static final int CODE_C0_SKIP1_RANGE_START = 0x10; + public static final int CODE_C0_SKIP1_RANGE_END = 0x17; + + // The following ranges are defined in CEA-708B Section 7.4.7. + public static final int CODE_C2_SKIP0_RANGE_START = 0x00; + public static final int CODE_C2_SKIP0_RANGE_END = 0x07; + public static final int CODE_C2_SKIP1_RANGE_START = 0x08; + public static final int CODE_C2_SKIP1_RANGE_END = 0x0f; + public static final int CODE_C2_SKIP2_RANGE_START = 0x10; + public static final int CODE_C2_SKIP2_RANGE_END = 0x17; + public static final int CODE_C2_SKIP3_RANGE_START = 0x18; + public static final int CODE_C2_SKIP3_RANGE_END = 0x1f; + + // The following ranges are defined in CEA-708B Section 7.4.8. + public static final int CODE_C3_SKIP4_RANGE_START = 0x80; + public static final int CODE_C3_SKIP4_RANGE_END = 0x87; + public static final int CODE_C3_SKIP5_RANGE_START = 0x88; + public static final int CODE_C3_SKIP5_RANGE_END = 0x8f; + + // The following values are the special characters of CEA-708 spec. + public static final int CODE_C0_NUL = 0x00; + public static final int CODE_C0_ETX = 0x03; + public static final int CODE_C0_BS = 0x08; + public static final int CODE_C0_FF = 0x0c; + public static final int CODE_C0_CR = 0x0d; + public static final int CODE_C0_HCR = 0x0e; + public static final int CODE_C0_EXT1 = 0x10; + public static final int CODE_C0_P16 = 0x18; + public static final int CODE_G0_MUSICNOTE = 0x7f; + public static final int CODE_G2_TSP = 0x20; + public static final int CODE_G2_NBTSP = 0x21; + public static final int CODE_G2_BLK = 0x30; + public static final int CODE_G3_CC = 0xa0; + + // The following values are the command bits of CEA-708 spec. + public static final int CODE_C1_CW0 = 0x80; + public static final int CODE_C1_CW1 = 0x81; + public static final int CODE_C1_CW2 = 0x82; + public static final int CODE_C1_CW3 = 0x83; + public static final int CODE_C1_CW4 = 0x84; + public static final int CODE_C1_CW5 = 0x85; + public static final int CODE_C1_CW6 = 0x86; + public static final int CODE_C1_CW7 = 0x87; + public static final int CODE_C1_CLW = 0x88; + public static final int CODE_C1_DSW = 0x89; + public static final int CODE_C1_HDW = 0x8a; + public static final int CODE_C1_TGW = 0x8b; + public static final int CODE_C1_DLW = 0x8c; + public static final int CODE_C1_DLY = 0x8d; + public static final int CODE_C1_DLC = 0x8e; + public static final int CODE_C1_RST = 0x8f; + public static final int CODE_C1_SPA = 0x90; + public static final int CODE_C1_SPC = 0x91; + public static final int CODE_C1_SPL = 0x92; + public static final int CODE_C1_SWA = 0x97; + public static final int CODE_C1_DF0 = 0x98; + public static final int CODE_C1_DF1 = 0x99; + public static final int CODE_C1_DF2 = 0x9a; + public static final int CODE_C1_DF3 = 0x9b; + public static final int CODE_C1_DF4 = 0x9c; + public static final int CODE_C1_DF5 = 0x9d; + public static final int CODE_C1_DF6 = 0x9e; + public static final int CODE_C1_DF7 = 0x9f; + + public static class CcPacket implements Comparable<CcPacket> { + public final byte[] bytes; + public final int ccCount; + public final long pts; + + public CcPacket(byte[] bytes, int ccCount, long pts) { + this.bytes = bytes; + this.ccCount = ccCount; + this.pts = pts; + } + + @Override + public int compareTo(@NonNull CcPacket another) { + return Long.compare(pts, another.pts); + } + } + + /** CEA-708B-specific color. */ + public static class CaptionColor { + public static final int OPACITY_SOLID = 0; + public static final int OPACITY_FLASH = 1; + public static final int OPACITY_TRANSLUCENT = 2; + public static final int OPACITY_TRANSPARENT = 3; + + private static final int[] COLOR_MAP = new int[] {0x00, 0x0f, 0xf0, 0xff}; + private static final int[] OPACITY_MAP = new int[] {0xff, 0xfe, 0x80, 0x00}; + + public final int opacity; + public final int red; + public final int green; + public final int blue; + + public CaptionColor(int opacity, int red, int green, int blue) { + this.opacity = opacity; + this.red = red; + this.green = green; + this.blue = blue; + } + + public int getArgbValue() { + return Color.argb( + OPACITY_MAP[opacity], COLOR_MAP[red], COLOR_MAP[green], COLOR_MAP[blue]); + } + } + + /** Caption event generated by {@link Cea708Parser}. */ + public static class CaptionEvent { + @Cea708Parser.CaptionEmitType public final int type; + public final Object obj; + + public CaptionEvent(int type, Object obj) { + this.type = type; + this.obj = obj; + } + } + + /** Pen style information. */ + public static class CaptionPenAttr { + // Pen sizes + public static final int PEN_SIZE_SMALL = 0; + public static final int PEN_SIZE_STANDARD = 1; + public static final int PEN_SIZE_LARGE = 2; + + // Offsets + public static final int OFFSET_SUBSCRIPT = 0; + public static final int OFFSET_NORMAL = 1; + public static final int OFFSET_SUPERSCRIPT = 2; + + public final int penSize; + public final int penOffset; + public final int textTag; + public final int fontTag; + public final int edgeType; + public final boolean underline; + public final boolean italic; + + public CaptionPenAttr( + int penSize, + int penOffset, + int textTag, + int fontTag, + int edgeType, + boolean underline, + boolean italic) { + this.penSize = penSize; + this.penOffset = penOffset; + this.textTag = textTag; + this.fontTag = fontTag; + this.edgeType = edgeType; + this.underline = underline; + this.italic = italic; + } + } + + /** + * {@link CaptionColor} objects that indicate the foreground, background, and edge color of a + * pen. + */ + public static class CaptionPenColor { + public final CaptionColor foregroundColor; + public final CaptionColor backgroundColor; + public final CaptionColor edgeColor; + + public CaptionPenColor( + CaptionColor foregroundColor, + CaptionColor backgroundColor, + CaptionColor edgeColor) { + this.foregroundColor = foregroundColor; + this.backgroundColor = backgroundColor; + this.edgeColor = edgeColor; + } + } + + /** Location information of a pen. */ + public static class CaptionPenLocation { + public final int row; + public final int column; + + public CaptionPenLocation(int row, int column) { + this.row = row; + this.column = column; + } + } + + /** Attributes of a caption window, which is defined in CEA-708B. */ + public static class CaptionWindowAttr { + public static final int JUSTIFY_LEFT = 0; + public static final int JUSTIFY_CENTER = 2; + public static final int PRINT_LEFT_TO_RIGHT = 0; + public static final int PRINT_RIGHT_TO_LEFT = 1; + public static final int PRINT_TOP_TO_BOTTOM = 2; + public static final int PRINT_BOTTOM_TO_TOP = 3; + + public final CaptionColor fillColor; + public final CaptionColor borderColor; + public final int borderType; + public final boolean wordWrap; + public final int printDirection; + public final int scrollDirection; + public final int justify; + public final int effectDirection; + public final int effectSpeed; + public final int displayEffect; + + public CaptionWindowAttr( + CaptionColor fillColor, + CaptionColor borderColor, + int borderType, + boolean wordWrap, + int printDirection, + int scrollDirection, + int justify, + int effectDirection, + int effectSpeed, + int displayEffect) { + this.fillColor = fillColor; + this.borderColor = borderColor; + this.borderType = borderType; + this.wordWrap = wordWrap; + this.printDirection = printDirection; + this.scrollDirection = scrollDirection; + this.justify = justify; + this.effectDirection = effectDirection; + this.effectSpeed = effectSpeed; + this.displayEffect = displayEffect; + } + } + + /** Construction information of the caption window of CEA-708B. */ + public static class CaptionWindow { + public final int id; + public final boolean visible; + public final boolean rowLock; + public final boolean columnLock; + public final int priority; + public final boolean relativePositioning; + public final int anchorVertical; + public final int anchorHorizontal; + public final int anchorId; + public final int rowCount; + public final int columnCount; + public final int penStyle; + public final int windowStyle; + + public CaptionWindow( + int id, + boolean visible, + boolean rowLock, + boolean columnLock, + int priority, + boolean relativePositioning, + int anchorVertical, + int anchorHorizontal, + int anchorId, + int rowCount, + int columnCount, + int penStyle, + int windowStyle) { + this.id = id; + this.visible = visible; + this.rowLock = rowLock; + this.columnLock = columnLock; + this.priority = priority; + this.relativePositioning = relativePositioning; + this.anchorVertical = anchorVertical; + this.anchorHorizontal = anchorHorizontal; + this.anchorId = anchorId; + this.rowCount = rowCount; + this.columnCount = columnCount; + this.penStyle = penStyle; + this.windowStyle = windowStyle; + } + } +} |