com.twelvemonkeys.imageio.plugins.webp.vp8.Globals Maven / Gradle / Ivy
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ImageIO plugin for Google WebP File Format (WebP).
/*
* Copyright (c) 2017, Brooss, Harald Kuhr
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package com.twelvemonkeys.imageio.plugins.webp.vp8;
import static java.lang.Math.max;
import static java.lang.Math.min;
final class Globals {
/* predict DC using row above and column to the left */
static final int DC_PRED = 0;
/* predict rows using row above */
static final int V_PRED = 1;
/* predict columns using column to the left */
static final int H_PRED = 2;
/* propagate second differences a la "true motion" */
static final int TM_PRED = 3;
/* each Y subblock is independently predicted */
static final int B_PRED = 4;
static String getModeAsString(int mode) {
switch (mode) {
case DC_PRED:
return "DC_PRED";
case V_PRED:
return "V_PRED";
case H_PRED:
return "H_PRED";
case TM_PRED:
return "TM_PRED";
case B_PRED:
return "B_PRED";
default:
throw new IllegalArgumentException("Unknown mode: " + mode);
}
}
/* intra_bmode */
static final int B_DC_PRED = 0; /*
* predict DC using row above and
* column to the left
*/
static final int B_TM_PRED = 1; /*
* propagate second differences a la
* "true motion"
*/
static final int B_VE_PRED = 2; /* predict rows using row above */
static final int B_HE_PRED = 3; /*
* predict columns using column to
* the left
*/
static final int B_LD_PRED = 4; /*
* southwest (left and down) 45
* degree diagonal prediction
*/
static final int B_RD_PRED = 5; /* southeast (right and down) "" */
static final int B_VR_PRED = 6; /*
* SSE (vertical right) diagonal
* prediction
*/
static final int B_VL_PRED = 7; /* SSW (vertical left) "" */
static final int B_HD_PRED = 8; /* ESE (horizontal down) "" */
static final int B_HU_PRED = 9; /* ENE (horizontal up) "" */
static String getSubBlockModeAsString(int mode) {
switch (mode) {
case B_DC_PRED:
return "B_DC_PRED";
case B_TM_PRED:
return "B_TM_PRED";
case B_VE_PRED:
return "B_VE_PRED";
case B_HE_PRED:
return "B_HE_PRED";
case B_LD_PRED:
return "B_LD_PRED";
case B_RD_PRED:
return "B_RD_PRED";
case B_VR_PRED:
return "B_VR_PRED";
case B_VL_PRED:
return "B_VL_PRED";
case B_HD_PRED:
return "B_HD_PRED";
case B_HU_PRED:
return "B_HU_PRED";
default:
throw new IllegalArgumentException("Unknown mode: " + mode);
}
}
static final int MAX_MB_SEGMENTS = 4;
static final int MB_LVL_MAX = 2;
static int[] vp8MacroBlockFeatureDataBits = { 7, 6 };
static final int MB_FEATURE_TREE_PROBS = 3;
static int macroBlockSegmentTree[] = { 2, 4,
/* root: "0", "1" subtrees */
-0, -1,
/* "00" = 0th value, "01" = 1st value */
-2, -3
/* "10" = 2nd value, "11" = 3rd value */
};
static int vp8KeyFrameYModeTree[] = { -B_PRED, 2, 4, 6, -DC_PRED,
-V_PRED, -H_PRED, -TM_PRED };
static int vp8SubBlockModeTree[] = { -B_DC_PRED, 2, /*
* B_DC_PRED =
* "0"
*/
-B_TM_PRED, 4, /* B_TM_PRED = "10" */
-B_VE_PRED, 6, /* B_VE_PRED = "110" */
8, 12, -B_HE_PRED, 10, /* B_HE_PRED = "1110" */
-B_RD_PRED, -B_VR_PRED, /* B_RD_PRED = "111100", B_VR_PRED = "111101" */
-B_LD_PRED, 14, /* B_LD_PRED = "111110" */
-B_VL_PRED, 16, /* B_VL_PRED = "1111110" */
-B_HD_PRED, -B_HU_PRED /* HD = "11111110", HU = "11111111" */
};
static int[] vp8KeyFrameYModeProb = {145, 156, 163, 128 };
// uv
static int[] vp8UVModeTree = {-DC_PRED, 2, /*
* root: DC_PRED = "0",
* "1" subtree
*/
-V_PRED, 4, /* "1" subtree: V_PRED = "10", "11" subtree */
-H_PRED, -TM_PRED /* "11" subtree: H_PRED = "110", TM_PRED = "111" */
};
static int[] vp8KeyFrameUVModeProb = {142, 114, 183 };
static int[][][] vp8KeyFrameSubBlockModeProb = {
{ { 231, 120, 48, 89, 115, 113, 120, 152, 112 },
{ 152, 179, 64, 126, 170, 118, 46, 70, 95 },
{ 175, 69, 143, 80, 85, 82, 72, 155, 103 },
{ 56, 58, 10, 171, 218, 189, 17, 13, 152 },
{ 144, 71, 10, 38, 171, 213, 144, 34, 26 },
{ 114, 26, 17, 163, 44, 195, 21, 10, 173 },
{ 121, 24, 80, 195, 26, 62, 44, 64, 85 },
{ 170, 46, 55, 19, 136, 160, 33, 206, 71 },
{ 63, 20, 8, 114, 114, 208, 12, 9, 226 },
{ 81, 40, 11, 96, 182, 84, 29, 16, 36 } },
{ { 134, 183, 89, 137, 98, 101, 106, 165, 148 },
{ 72, 187, 100, 130, 157, 111, 32, 75, 80 },
{ 66, 102, 167, 99, 74, 62, 40, 234, 128 },
{ 41, 53, 9, 178, 241, 141, 26, 8, 107 },
{ 104, 79, 12, 27, 217, 255, 87, 17, 7 },
{ 74, 43, 26, 146, 73, 166, 49, 23, 157 },
{ 65, 38, 105, 160, 51, 52, 31, 115, 128 },
{ 87, 68, 71, 44, 114, 51, 15, 186, 23 },
{ 47, 41, 14, 110, 182, 183, 21, 17, 194 },
{ 66, 45, 25, 102, 197, 189, 23, 18, 22 } },
{ { 88, 88, 147, 150, 42, 46, 45, 196, 205 },
{ 43, 97, 183, 117, 85, 38, 35, 179, 61 },
{ 39, 53, 200, 87, 26, 21, 43, 232, 171 },
{ 56, 34, 51, 104, 114, 102, 29, 93, 77 },
{ 107, 54, 32, 26, 51, 1, 81, 43, 31 },
{ 39, 28, 85, 171, 58, 165, 90, 98, 64 },
{ 34, 22, 116, 206, 23, 34, 43, 166, 73 },
{ 68, 25, 106, 22, 64, 171, 36, 225, 114 },
{ 34, 19, 21, 102, 132, 188, 16, 76, 124 },
{ 62, 18, 78, 95, 85, 57, 50, 48, 51 } },
{ { 193, 101, 35, 159, 215, 111, 89, 46, 111 },
{ 60, 148, 31, 172, 219, 228, 21, 18, 111 },
{ 112, 113, 77, 85, 179, 255, 38, 120, 114 },
{ 40, 42, 1, 196, 245, 209, 10, 25, 109 },
{ 100, 80, 8, 43, 154, 1, 51, 26, 71 },
{ 88, 43, 29, 140, 166, 213, 37, 43, 154 },
{ 61, 63, 30, 155, 67, 45, 68, 1, 209 },
{ 142, 78, 78, 16, 255, 128, 34, 197, 171 },
{ 41, 40, 5, 102, 211, 183, 4, 1, 221 },
{ 51, 50, 17, 168, 209, 192, 23, 25, 82 } },
{ { 125, 98, 42, 88, 104, 85, 117, 175, 82 },
{ 95, 84, 53, 89, 128, 100, 113, 101, 45 },
{ 75, 79, 123, 47, 51, 128, 81, 171, 1 },
{ 57, 17, 5, 71, 102, 57, 53, 41, 49 },
{ 115, 21, 2, 10, 102, 255, 166, 23, 6 },
{ 38, 33, 13, 121, 57, 73, 26, 1, 85 },
{ 41, 10, 67, 138, 77, 110, 90, 47, 114 },
{ 101, 29, 16, 10, 85, 128, 101, 196, 26 },
{ 57, 18, 10, 102, 102, 213, 34, 20, 43 },
{ 117, 20, 15, 36, 163, 128, 68, 1, 26 } },
{ { 138, 31, 36, 171, 27, 166, 38, 44, 229 },
{ 67, 87, 58, 169, 82, 115, 26, 59, 179 },
{ 63, 59, 90, 180, 59, 166, 93, 73, 154 },
{ 40, 40, 21, 116, 143, 209, 34, 39, 175 },
{ 57, 46, 22, 24, 128, 1, 54, 17, 37 },
{ 47, 15, 16, 183, 34, 223, 49, 45, 183 },
{ 46, 17, 33, 183, 6, 98, 15, 32, 183 },
{ 65, 32, 73, 115, 28, 128, 23, 128, 205 },
{ 40, 3, 9, 115, 51, 192, 18, 6, 223 },
{ 87, 37, 9, 115, 59, 77, 64, 21, 47 } },
{ { 104, 55, 44, 218, 9, 54, 53, 130, 226 },
{ 64, 90, 70, 205, 40, 41, 23, 26, 57 },
{ 54, 57, 112, 184, 5, 41, 38, 166, 213 },
{ 30, 34, 26, 133, 152, 116, 10, 32, 134 },
{ 75, 32, 12, 51, 192, 255, 160, 43, 51 },
{ 39, 19, 53, 221, 26, 114, 32, 73, 255 },
{ 31, 9, 65, 234, 2, 15, 1, 118, 73 },
{ 88, 31, 35, 67, 102, 85, 55, 186, 85 },
{ 56, 21, 23, 111, 59, 205, 45, 37, 192 },
{ 55, 38, 70, 124, 73, 102, 1, 34, 98 } },
{ { 102, 61, 71, 37, 34, 53, 31, 243, 192 },
{ 69, 60, 71, 38, 73, 119, 28, 222, 37 },
{ 68, 45, 128, 34, 1, 47, 11, 245, 171 },
{ 62, 17, 19, 70, 146, 85, 55, 62, 70 },
{ 75, 15, 9, 9, 64, 255, 184, 119, 16 },
{ 37, 43, 37, 154, 100, 163, 85, 160, 1 },
{ 63, 9, 92, 136, 28, 64, 32, 201, 85 },
{ 86, 6, 28, 5, 64, 255, 25, 248, 1 },
{ 56, 8, 17, 132, 137, 255, 55, 116, 128 },
{ 58, 15, 20, 82, 135, 57, 26, 121, 40 } },
{ { 164, 50, 31, 137, 154, 133, 25, 35, 218 },
{ 51, 103, 44, 131, 131, 123, 31, 6, 158 },
{ 86, 40, 64, 135, 148, 224, 45, 183, 128 },
{ 22, 26, 17, 131, 240, 154, 14, 1, 209 },
{ 83, 12, 13, 54, 192, 255, 68, 47, 28 },
{ 45, 16, 21, 91, 64, 222, 7, 1, 197 },
{ 56, 21, 39, 155, 60, 138, 23, 102, 213 },
{ 85, 26, 85, 85, 128, 128, 32, 146, 171 },
{ 18, 11, 7, 63, 144, 171, 4, 4, 246 },
{ 35, 27, 10, 146, 174, 171, 12, 26, 128 } },
{ { 190, 80, 35, 99, 180, 80, 126, 54, 45 },
{ 85, 126, 47, 87, 176, 51, 41, 20, 32 },
{ 101, 75, 128, 139, 118, 146, 116, 128, 85 },
{ 56, 41, 15, 176, 236, 85, 37, 9, 62 },
{ 146, 36, 19, 30, 171, 255, 97, 27, 20 },
{ 71, 30, 17, 119, 118, 255, 17, 18, 138 },
{ 101, 38, 60, 138, 55, 70, 43, 26, 142 },
{ 138, 45, 61, 62, 219, 1, 81, 188, 64 },
{ 32, 41, 20, 117, 151, 142, 20, 21, 163 },
{ 112, 19, 12, 61, 195, 128, 48, 4, 24 } } };
static int[][][][] vp8CoefUpdateProbs = new int[][][][] {
{
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 176, 246, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 223, 241, 252, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 249, 253, 253, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 244, 252, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 234, 254, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 253, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 246, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 239, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 254, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 248, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 251, 255, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 251, 254, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 254, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 254, 253, 255, 254, 255, 255, 255, 255, 255,
255 },
{ 250, 255, 254, 255, 254, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } } },
{
{
{ 217, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 225, 252, 241, 253, 255, 255, 254, 255, 255, 255,
255 },
{ 234, 250, 241, 250, 253, 255, 253, 254, 255, 255,
255 } },
{
{ 255, 254, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 223, 254, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 238, 253, 254, 254, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 248, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 249, 254, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 253, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 247, 254, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 252, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 254, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 253, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 254, 253, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 250, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } } },
{
{
{ 186, 251, 250, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 234, 251, 244, 254, 255, 255, 255, 255, 255, 255,
255 },
{ 251, 251, 243, 253, 254, 255, 254, 255, 255, 255,
255 } },
{
{ 255, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 236, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 251, 253, 253, 254, 254, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 254, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 254, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 254, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 254, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } } },
{
{
{ 248, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 250, 254, 252, 254, 255, 255, 255, 255, 255, 255,
255 },
{ 248, 254, 249, 253, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 253, 253, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 246, 253, 253, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 252, 254, 251, 254, 254, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 254, 252, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 248, 254, 253, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 253, 255, 254, 254, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 251, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 245, 251, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 253, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 251, 253, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 252, 253, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 254, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 252, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 249, 255, 254, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 254, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 253, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 250, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } },
{
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 254, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 },
{ 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
255 } } } };
static int[][][][] getDefaultCoefProbs() {
int[][][][] r = new int[vp8DefaultCoefProbs.length][vp8DefaultCoefProbs[0].length][vp8DefaultCoefProbs[0][0].length][vp8DefaultCoefProbs[0][0][0].length];
for (int i = 0; i < vp8DefaultCoefProbs.length; i++)
for (int j = 0; j < vp8DefaultCoefProbs[0].length; j++)
for (int k = 0; k < vp8DefaultCoefProbs[0][0].length; k++)
r[i][j][k] = vp8DefaultCoefProbs[i][j][k].clone();
return r;
}
private static final int[][][][] vp8DefaultCoefProbs = new int[][][][] {
{
{
{ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 } },
{
{ 253, 136, 254, 255, 228, 219, 128, 128, 128, 128,
128 },
{ 189, 129, 242, 255, 227, 213, 255, 219, 128, 128,
128 },
{ 106, 126, 227, 252, 214, 209, 255, 255, 128, 128,
128 } },
{
{ 1, 98, 248, 255, 236, 226, 255, 255, 128, 128,
128 },
{ 181, 133, 238, 254, 221, 234, 255, 154, 128, 128,
128 },
{ 78, 134, 202, 247, 198, 180, 255, 219, 128, 128,
128 } },
{
{ 1, 185, 249, 255, 243, 255, 128, 128, 128, 128,
128 },
{ 184, 150, 247, 255, 236, 224, 128, 128, 128, 128,
128 },
{ 77, 110, 216, 255, 236, 230, 128, 128, 128, 128,
128 } },
{
{ 1, 101, 251, 255, 241, 255, 128, 128, 128, 128,
128 },
{ 170, 139, 241, 252, 236, 209, 255, 255, 128, 128,
128 },
{ 37, 116, 196, 243, 228, 255, 255, 255, 128, 128,
128 } },
{
{ 1, 204, 254, 255, 245, 255, 128, 128, 128, 128,
128 },
{ 207, 160, 250, 255, 238, 128, 128, 128, 128, 128,
128 },
{ 102, 103, 231, 255, 211, 171, 128, 128, 128, 128,
128 } },
{
{ 1, 152, 252, 255, 240, 255, 128, 128, 128, 128,
128 },
{ 177, 135, 243, 255, 234, 225, 128, 128, 128, 128,
128 },
{ 80, 129, 211, 255, 194, 224, 128, 128, 128, 128,
128 } },
{
{ 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
{ 246, 1, 255, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 255, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 } } },
{
{
{ 198, 35, 237, 223, 193, 187, 162, 160, 145, 155,
62 },
{ 131, 45, 198, 221, 172, 176, 220, 157, 252, 221,
1 },
{ 68, 47, 146, 208, 149, 167, 221, 162, 255, 223,
128 } },
{
{ 1, 149, 241, 255, 221, 224, 255, 255, 128, 128,
128 },
{ 184, 141, 234, 253, 222, 220, 255, 199, 128, 128,
128 },
{ 81, 99, 181, 242, 176, 190, 249, 202, 255, 255,
128 } },
{
{ 1, 129, 232, 253, 214, 197, 242, 196, 255, 255,
128 },
{ 99, 121, 210, 250, 201, 198, 255, 202, 128, 128,
128 },
{ 23, 91, 163, 242, 170, 187, 247, 210, 255, 255,
128 } },
{
{ 1, 200, 246, 255, 234, 255, 128, 128, 128, 128,
128 },
{ 109, 178, 241, 255, 231, 245, 255, 255, 128, 128,
128 },
{ 44, 130, 201, 253, 205, 192, 255, 255, 128, 128,
128 } },
{
{ 1, 132, 239, 251, 219, 209, 255, 165, 128, 128,
128 },
{ 94, 136, 225, 251, 218, 190, 255, 255, 128, 128,
128 },
{ 22, 100, 174, 245, 186, 161, 255, 199, 128, 128,
128 } },
{
{ 1, 182, 249, 255, 232, 235, 128, 128, 128, 128,
128 },
{ 124, 143, 241, 255, 227, 234, 128, 128, 128, 128,
128 },
{ 35, 77, 181, 251, 193, 211, 255, 205, 128, 128,
128 } },
{
{ 1, 157, 247, 255, 236, 231, 255, 255, 128, 128,
128 },
{ 121, 141, 235, 255, 225, 227, 255, 255, 128, 128,
128 },
{ 45, 99, 188, 251, 195, 217, 255, 224, 128, 128,
128 } },
{
{ 1, 1, 251, 255, 213, 255, 128, 128, 128, 128, 128 },
{ 203, 1, 248, 255, 255, 128, 128, 128, 128, 128,
128 },
{ 137, 1, 177, 255, 224, 255, 128, 128, 128, 128,
128 } } },
{
{
{ 253, 9, 248, 251, 207, 208, 255, 192, 128, 128,
128 },
{ 175, 13, 224, 243, 193, 185, 249, 198, 255, 255,
128 },
{ 73, 17, 171, 221, 161, 179, 236, 167, 255, 234,
128 } },
{
{ 1, 95, 247, 253, 212, 183, 255, 255, 128, 128,
128 },
{ 239, 90, 244, 250, 211, 209, 255, 255, 128, 128,
128 },
{ 155, 77, 195, 248, 188, 195, 255, 255, 128, 128,
128 } },
{
{ 1, 24, 239, 251, 218, 219, 255, 205, 128, 128,
128 },
{ 201, 51, 219, 255, 196, 186, 128, 128, 128, 128,
128 },
{ 69, 46, 190, 239, 201, 218, 255, 228, 128, 128,
128 } },
{
{ 1, 191, 251, 255, 255, 128, 128, 128, 128, 128,
128 },
{ 223, 165, 249, 255, 213, 255, 128, 128, 128, 128,
128 },
{ 141, 124, 248, 255, 255, 128, 128, 128, 128, 128,
128 } },
{
{ 1, 16, 248, 255, 255, 128, 128, 128, 128, 128,
128 },
{ 190, 36, 230, 255, 236, 255, 128, 128, 128, 128,
128 },
{ 149, 1, 255, 128, 128, 128, 128, 128, 128, 128,
128 } },
{
{ 1, 226, 255, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 247, 192, 255, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 240, 128, 255, 128, 128, 128, 128, 128, 128, 128,
128 } },
{
{ 1, 134, 252, 255, 255, 128, 128, 128, 128, 128,
128 },
{ 213, 62, 250, 255, 255, 128, 128, 128, 128, 128,
128 },
{ 55, 93, 255, 128, 128, 128, 128, 128, 128, 128,
128 } },
{
{ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
128 } } },
{
{
{ 202, 24, 213, 235, 186, 191, 220, 160, 240, 175,
255 },
{ 126, 38, 182, 232, 169, 184, 228, 174, 255, 187,
128 },
{ 61, 46, 138, 219, 151, 178, 240, 170, 255, 216,
128 } },
{
{ 1, 112, 230, 250, 199, 191, 247, 159, 255, 255,
128 },
{ 166, 109, 228, 252, 211, 215, 255, 174, 128, 128,
128 },
{ 39, 77, 162, 232, 172, 180, 245, 178, 255, 255,
128 } },
{
{ 1, 52, 220, 246, 198, 199, 249, 220, 255, 255,
128 },
{ 124, 74, 191, 243, 183, 193, 250, 221, 255, 255,
128 },
{ 24, 71, 130, 219, 154, 170, 243, 182, 255, 255,
128 }
},
{
{ 1, 182, 225, 249, 219, 240, 255, 224, 128, 128,
128 },
{ 149, 150, 226, 252, 216, 205, 255, 171, 128, 128,
128 },
{ 28, 108, 170, 242, 183, 194, 254, 223, 255, 255,
128 } },
{
{ 1, 81, 230, 252, 204, 203, 255, 192, 128, 128,
128 },
{ 123, 102, 209, 247, 188, 196, 255, 233, 128, 128,
128 },
{ 20, 95, 153, 243, 164, 173, 255, 203, 128, 128,
128 } },
{
{ 1, 222, 248, 255, 216, 213, 128, 128, 128, 128,
128 },
{ 168, 175, 246, 252, 235, 205, 255, 255, 128, 128,
128 },
{ 47, 116, 215, 255, 211, 212, 255, 255, 128, 128,
128 } },
{
{ 1, 121, 236, 253, 212, 214, 255, 255, 128, 128,
128 },
{ 141, 84, 213, 252, 201, 202, 255, 219, 128, 128,
128 },
{ 42, 80, 160, 240, 162, 185, 255, 205, 128, 128,
128 } },
{
{ 1, 1, 255, 128, 128, 128, 128, 128, 128, 128, 128 },
{ 244, 1, 255, 128, 128, 128, 128, 128, 128, 128,
128 },
{ 238, 1, 255, 128, 128, 128, 128, 128, 128, 128,
128 } } } };
static final int DCT_0 = 0; /* value 0 */
static final int DCT_1 = 1; /* 1 */
static final int DCT_2 = 2; /* 2 */
static final int DCT_3 = 3; /* 3 */
static final int DCT_4 = 4; /* 4 */
static final int dct_cat1 = 5; /* range 5 - 6 (size 2) */
static final int dct_cat2 = 6; /* 7 - 10 (4) */
static final int dct_cat3 = 7; /* 11 - 18 (8) */
static final int dct_cat4 = 8; /* 19 - 34 (16) */
static final int dct_cat5 = 9; /* 35 - 66 (32) */
static final int dct_cat6 = 10; /* 67 - 2048 (1982) */
static final int dct_eob = 11; /* end of block */
static final int[] vp8CoefTree = {-dct_eob, 2, /* eob = "0" */
-DCT_0, 4, /* 0 = "10" */
-DCT_1, 6, /* 1 = "110" */
8, 12, -DCT_2, 10, /* 2 = "11100" */
-DCT_3, -DCT_4, /* 3 = "111010", 4 = "111011" */
14, 16, -dct_cat1, -dct_cat2, /* cat1 = "111100", cat2 = "111101" */
18, 20, -dct_cat3, -dct_cat4, /* cat3 = "1111100", cat4 = "1111101" */
-dct_cat5, -dct_cat6 /* cat4 = "1111110", cat4 = "1111111" */
};
static final int[] vp8CoefTreeNoEOB = {
// -dct_eob, 2, /* eob = "0" */
-DCT_0, 4, /* 0 = "10" */
-DCT_1, 6, /* 1 = "110" */
8, 12, -DCT_2, 10, /* 2 = "11100" */
-DCT_3, -DCT_4, /* 3 = "111010", 4 = "111011" */
14, 16, -dct_cat1, -dct_cat2, /* cat1 = "111100", cat2 = "111101" */
18, 20, -dct_cat3, -dct_cat4, /* cat3 = "1111100", cat4 = "1111101" */
-dct_cat5, -dct_cat6 /* cat4 = "1111110", cat4 = "1111111" */
};
final static int[] Pcat1 = {159, 0 };
final static int[] Pcat2 = {165, 145, 0 };
final static int[] Pcat3 = {173, 148, 140, 0 };
final static int[] Pcat4 = {176, 155, 140, 135, 0 };
final static int[] Pcat5 = {180, 157, 141, 134, 130, 0 };
final static int[] Pcat6 = {254, 254, 243, 230, 196, 177, 153, 140,
133, 130, 129, 0 };
static final int[] vp8CoefBands = {0, 1, 2, 3, 6, 4, 5, 6, 6, 6, 6,
6, 6, 6, 6, 7 };
static final int[] vp8defaultZigZag1d = {0, 1, 4, 8, 5, 2, 3, 6, 9,
12, 13, 10, 7, 11, 14, 15,};
static final int[] vp8dxBitreaderNorm = {0, 7, 6, 6, 5, 5, 5, 5, 4,
4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0 };
static final int[] vp8DcQLookup = {4, 5, 6, 7, 8, 9, 10, 10, 11,
12, 13, 14, 15, 16, 17, 17, 18, 19, 20, 20, 21, 21, 22, 22, 23, 23,
24, 25, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 38,
39, 40, 41, 42, 43, 44, 45, 46, 46, 47, 48, 49, 50, 51, 52, 53, 54,
55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71,
72, 73, 74, 75, 76, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87,
88, 89, 91, 93, 95, 96, 98, 100, 101, 102, 104, 106, 108, 110, 112,
114, 116, 118, 122, 124, 126, 128, 130, 132, 134, 136, 138, 140,
143, 145, 148, 151, 154, 157,};
static final int[] vp8AcQLookup = {4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46,
47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 60, 62, 64, 66, 68,
70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 100,
102, 104, 106, 108, 110, 112, 114, 116, 119, 122, 125, 128, 131,
134, 137, 140, 143, 146, 149, 152, 155, 158, 161, 164, 167, 170,
173, 177, 181, 185, 189, 193, 197, 201, 205, 209, 213, 217, 221,
225, 229, 234, 239, 245, 249, 254, 259, 264, 269, 274, 279, 284,};
static String toHex(int c) {
return String.format("%1$#x ", c);
}
// clamp between 0 and max
static int clamp(final int input, final int max) {
return max(0, min(input, max));
}
}