intrax8huf.h

mediastreamer2是开源的网络传输媒体流的库

/*
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef FFMPEG_INTRAX8HUF_H
#define FFMPEG_INTRAX8HUF_H

#include <inttypes.h>


static const uint16_t x8_orient_lowquant_table[4][12][2]={
    {//0
        {0x0000,  1}, {0x0004,  3}, {0x0005,  3}, {0x000C,  4},
        {0x000D,  4}, {0x0038,  6}, {0x001D,  5}, {0x0039,  6},
        {0x003C,  6}, {0x003D,  6}, {0x003E,  6}, {0x003F,  6},
    },{//1
        {0x0000,  5}, {0x0001,  5}, {0x0002,  5}, {0x0001,  2},
        {0x0002,  2}, {0x0002,  4}, {0x0003,  5}, {0x0006,  3},
        {0x0003,  4}, {0x000E,  4}, {0x001E,  5}, {0x001F,  5},
    },{//2
        {0x0000,  2}, {0x0001,  2}, {0x0004,  3}, {0x0005,  3},
        {0x0006,  3}, {0x0038,  6}, {0x0039,  6}, {0x001D,  5},
        {0x003C,  6}, {0x003D,  6}, {0x003E,  6}, {0x003F,  6},
    },{//3
        {0x0000,  3}, {0x0002,  4}, {0x0003,  4}, {0x0001,  2},
        {0x0002,  2}, {0x0018,  5}, {0x0019,  5}, {0x000D,  4},
        {0x001C,  5}, {0x001D,  5}, {0x001E,  5}, {0x001F,  5},
    }
};

static const uint16_t x8_orient_highquant_table[2][12][2]={
    {//0
        {0x0000,  2}, {0x0001,  2}, {0x0004,  3}, {0x0005,  3},
        {0x0006,  3}, {0x0038,  6}, {0x001D,  5}, {0x0039,  6},
        {0x003C,  6}, {0x003D,  6}, {0x003E,  6}, {0x003F,  6},
    },{//1
        {0x0000,  1}, {0x0002,  2}, {0x0006,  3}, {0x001C,  5},
        {0x001D,  5}, {0x0078,  7}, {0x003D,  6}, {0x0079,  7},
        {0x007C,  7}, {0x007D,  7}, {0x007E,  7}, {0x007F,  7},
    }
};
#define MAX_OR_VLC_BITS 7


static const uint16_t x8_dc_lowquant_table[8][34][2]={
    {//0
        {0x0000,  5}, {0x0001,  4}, {0x0001,  5}, {0x0004,  5},
        {0x0005,  5}, {0x0006,  5}, {0x000E,  6}, {0x000F,  6},
        {0x0040,  8}, {0x0041,  8}, {0x0840, 13}, {0x0841, 13},
        {0x0842, 13}, {0x0843, 13}, {0x0844, 13}, {0x0845, 13},
        {0x0846, 13}, {0x0002,  2}, {0x0003,  2}, {0x0003,  3},
        {0x0005,  4}, {0x0009,  5}, {0x0011,  6}, {0x0043,  8},
        {0x0085,  9}, {0x0847, 13}, {0x0848, 13}, {0x0849, 13},
        {0x084A, 13}, {0x084B, 13}, {0x084C, 13}, {0x084D, 13},
        {0x084E, 13}, {0x084F, 13},
    },{//1
        {0x0000,  4}, {0x0001,  3}, {0x0002,  3}, {0x0001,  4},
        {0x0006,  4}, {0x0004,  3}, {0x0007,  4}, {0x0005,  3},
        {0x000C,  4}, {0x000D,  4}, {0x001C,  5}, {0x003A,  6},
        {0x01D8,  9}, {0x01D9,  9}, {0x1DA0, 13}, {0x1DA1, 13},
        {0x1DA2, 13}, {0x003C,  6}, {0x003D,  6}, {0x003E,  6},
        {0x0077,  7}, {0x01DB,  9}, {0x007E,  7}, {0x00FE,  8},
        {0x01FE,  9}, {0x1DA3, 13}, {0x1DA4, 13}, {0x1DA5, 13},
        {0x0ED3, 12}, {0x0ED4, 12}, {0x01FF,  9}, {0x0ED5, 12},
        {0x0ED6, 12}, {0x0ED7, 12},
    },{//2
        {0x0000,  4}, {0x0001,  3}, {0x0002,  3}, {0x0001,  4},
        {0x0006,  4}, {0x0007,  4}, {0x0008,  4}, {0x0009,  4},
        {0x0028,  6}, {0x0029,  6}, {0x0054,  7}, {0x0055,  7},
        {0x0AC0, 12}, {0x0AC1, 12}, {0x0AC2, 12}, {0x0AC3, 12},
        {0x0AC4, 12}, {0x000B,  4}, {0x0006,  3}, {0x000E,  4},
        {0x001E,  5}, {0x003E,  6}, {0x003F,  6}, {0x0057,  7},
        {0x00AD,  8}, {0x0AC5, 12}, {0x0AC6, 12}, {0x0AC7, 12},
        {0x0AC8, 12}, {0x0AC9, 12}, {0x0ACA, 12}, {0x0ACB, 12},
        {0x0566, 11}, {0x0567, 11},
    },{//3
        {0x0000,  4}, {0x0001,  2}, {0x0001,  3}, {0x0004,  3},
        {0x0005,  3}, {0x0006,  3}, {0x0001,  4}, {0x000E,  4},
        {0x003C,  6}, {0x003D,  6}, {0x007C,  7}, {0x00FA,  8},
        {0x3EC0, 14}, {0x3EC1, 14}, {0x3EC2, 14}, {0x3EC3, 14},
        {0x1F62, 13}, {0x01F7,  9}, {0x007E,  7}, {0x00FE,  8},
        {0x00FF,  8}, {0x1F63, 13}, {0x1F64, 13}, {0x1F65, 13},
        {0x1F66, 13}, {0x1F67, 13}, {0x1F68, 13}, {0x1F69, 13},
        {0x1F6A, 13}, {0x1F6B, 13}, {0x1F6C, 13}, {0x1F6D, 13},
        {0x1F6E, 13}, {0x1F6F, 13},
    },{//4
        {0x0000,  7}, {0x0001,  7}, {0x0002,  7}, {0x0003,  7},
        {0x0004,  7}, {0x0005,  7}, {0x0006,  7}, {0x0007,  7},
        {0x0008,  7}, {0x0009,  7}, {0x000A,  7}, {0x000B,  7},
        {0x000C,  7}, {0x000D,  7}, {0x000E,  7}, {0x000F,  7},
        {0x0010,  7}, {0x0001,  1}, {0x0001,  2}, {0x0011,  7},
        {0x0012,  7}, {0x0013,  7}, {0x0014,  7}, {0x0015,  7},
        {0x0016,  7}, {0x0017,  7}, {0x0018,  7}, {0x0019,  7},
        {0x001A,  7}, {0x001B,  7}, {0x001C,  7}, {0x001D,  7},
        {0x001E,  7}, {0x001F,  7},
    },{//5
        {0x0000,  5}, {0x0001,  4}, {0x0001,  5}, {0x0008,  6},
        {0x0009,  6}, {0x000A,  6}, {0x0016,  7}, {0x000C,  6},
        {0x0017,  7}, {0x000D,  6}, {0x0038,  8}, {0x001D,  7},
        {0x0039,  8}, {0x0780, 13}, {0x0781, 13}, {0x0782, 13},
        {0x0783, 13}, {0x0002,  3}, {0x0001,  1}, {0x0003,  3},
        {0x001F,  7}, {0x003D,  8}, {0x0079,  9}, {0x0784, 13},
        {0x0785, 13}, {0x0786, 13}, {0x0787, 13}, {0x0788, 13},
        {0x0789, 13}, {0x078A, 13}, {0x078B, 13}, {0x078C, 13},
        {0x078D, 13}, {0x03C7, 12},
    },{//6
        {0x0000,  4}, {0x0001,  2}, {0x0001,  3}, {0x0004,  3},
        {0x0001,  4}, {0x000A,  4}, {0x0016,  5}, {0x002E,  6},
        {0x005E,  7}, {0x005F,  7}, {0x00C0,  8}, {0x3040, 14},
        {0x3041, 14}, {0x0305, 10}, {0x0183,  9}, {0x3042, 14},
        {0x3043, 14}, {0x000D,  4}, {0x0007,  3}, {0x0019,  5},
        {0x0031,  6}, {0x00C2,  8}, {0x00C3,  8}, {0x3044, 14},
        {0x3045, 14}, {0x3046, 14}, {0x3047, 14}, {0x3048, 14},
        {0x3049, 14}, {0x304A, 14}, {0x304B, 14}, {0x304C, 14},
        {0x304D, 14}, {0x1827, 13},
    },{//7
        {0x0000,  6}, {0x0001,  6}, {0x0002,  6}, {0x0006,  7},
        {0x0007,  7}, {0x0004,  6}, {0x0005,  6}, {0x0006,  6},
        {0x000E,  7}, {0x001E,  8}, {0x001F,  8}, {0x0040,  9},
        {0x0082, 10}, {0x0830, 14}, {0x0831, 14}, {0x0832, 14},
        {0x0833, 14}, {0x0001,  1}, {0x0001,  2}, {0x0003,  4},
        {0x0005,  5}, {0x0009,  6}, {0x0011,  7}, {0x0021,  8},
        {0x0834, 14}, {0x0835, 14}, {0x0836, 14}, {0x0837, 14},
        {0x0838, 14}, {0x0839, 14}, {0x083A, 14}, {0x083B, 14},
        {0x041E, 13}, {0x041F, 13},
    }
};

static const uint16_t x8_dc_highquant_table[8][34][2]={
    {//0
        {0x0000,  5}, {0x0001,  4}, {0x0002,  4}, {0x0001,  5},
        {0x0006,  5}, {0x0004,  4}, {0x0007,  5}, {0x000A,  5},
        {0x002C,  7}, {0x002D,  7}, {0x05C0, 12}, {0x05C1, 12},
        {0x05C2, 12}, {0x05C3, 12}, {0x05C4, 12}, {0x05C5, 12},
        {0x05C6, 12}, {0x0003,  3}, {0x0002,  2}, {0x0006,  3},
        {0x000E,  4}, {0x001E,  5}, {0x001F,  5}, {0x002F,  7},
        {0x005D,  8}, {0x05C7, 12}, {0x05C8, 12}, {0x05C9, 12},
        {0x05CA, 12}, {0x05CB, 12}, {0x05CC, 12}, {0x05CD, 12},
        {0x05CE, 12}, {0x05CF, 12},
    },{//1
        {0x0000,  3}, {0x0001,  3}, {0x0002,  3}, {0x0006,  4},
        {0x0007,  4}, {0x0004,  3}, {0x000A,  4}, {0x000B,  4},
        {0x0030,  6}, {0x0062,  7}, {0x0063,  7}, {0x0640, 11},
        {0x0641, 11}, {0x0642, 11}, {0x0643, 11}, {0x0644, 11},
        {0x0645, 11}, {0x0033,  6}, {0x000D,  4}, {0x001C,  5},
        {0x001D,  5}, {0x003C,  6}, {0x001F,  5}, {0x0065,  7},
        {0x007A,  7}, {0x0646, 11}, {0x007B,  7}, {0x0647, 11},
        {0x0648, 11}, {0x0649, 11}, {0x064A, 11}, {0x064B, 11},
        {0x0326, 10}, {0x0327, 10},
    },{//2
        {0x0000,  7}, {0x0001,  7}, {0x0001,  6}, {0x0004,  7},
        {0x0003,  6}, {0x0005,  7}, {0x0010,  8}, {0x0011,  8},
        {0x0240, 13}, {0x0241, 13}, {0x0242, 13}, {0x0243, 13},
        {0x0244, 13}, {0x0245, 13}, {0x0246, 13}, {0x0247, 13},
        {0x0124, 12}, {0x0001,  1}, {0x0001,  2}, {0x0001,  3},
        {0x0003,  5}, {0x0005,  6}, {0x0013,  8}, {0x0125, 12},
        {0x0126, 12}, {0x0127, 12}, {0x0128, 12}, {0x0129, 12},
        {0x012A, 12}, {0x012B, 12}, {0x012C, 12}, {0x012D, 12},
        {0x012E, 12}, {0x012F, 12},
    },{//3
        {0x0000,  4}, {0x0001,  3}, {0x0002,  3}, {0x0001,  4},
        {0x0006,  4}, {0x0004,  3}, {0x0005,  3}, {0x0006,  3},
        {0x000E,  5}, {0x000F,  5}, {0x0070,  7}, {0x0710, 11},
        {0x0711, 11}, {0x0712, 11}, {0x0713, 11}, {0x0714, 11},
        {0x0715, 11}, {0x001D,  5}, {0x0072,  7}, {0x003C,  6},
        {0x003D,  6}, {0x0073,  7}, {0x007C,  7}, {0x007D,  7},
        {0x007E,  7}, {0x0716, 11}, {0x0717, 11}, {0x0718, 11},
        {0x007F,  7}, {0x0719, 11}, {0x071A, 11}, {0x071B, 11},
        {0x038E, 10}, {0x038F, 10},
    },{//4
        {0x0000,  8}, {0x0001,  7}, {0x0002,  7}, {0x0003,  7},
        {0x0002,  9}, {0x0008,  8}, {0x0003,  9}, {0x0240, 14},
        {0x0241, 14}, {0x0242, 14}, {0x0243, 14}, {0x0244, 14},
        {0x0245, 14}, {0x0246, 14}, {0x0247, 14}, {0x0124, 13},
        {0x0125, 13}, {0x0001,  2}, {0x0001,  1}, {0x0001,  3},
        {0x0001,  4}, {0x0003,  6}, {0x0005,  7}, {0x0013,  9},
        {0x0126, 13}, {0x0127, 13}, {0x0128, 13}, {0x0129, 13},
        {0x012A, 13}, {0x012B, 13}, {0x012C, 13}, {0x012D, 13},
        {0x012E, 13}, {0x012F, 13},
    },{//5
        {0x0000,  7}, {0x0001,  7}, {0x0001,  6}, {0x0002,  6},
        {0x0003,  6}, {0x0004,  6}, {0x0005,  6}, {0x0006,  6},
        {0x0007,  6}, {0x0008,  6}, {0x0009,  6}, {0x000A,  6},
        {0x000B,  6}, {0x000C,  6}, {0x000D,  6}, {0x000E,  6},
        {0x000F,  6}, {0x0010,  6}, {0x0011,  6}, {0x0012,  6},
        {0x0013,  6}, {0x0014,  6}, {0x0015,  6}, {0x0016,  6},
        {0x0017,  6}, {0x0018,  6}, {0x0019,  6}, {0x0001,  1},
        {0x001A,  6}, {0x001B,  6}, {0x001C,  6}, {0x001D,  6},
        {0x001E,  6}, {0x001F,  6},
    },{//6
        {0x0000,  5}, {0x0001,  4}, {0x0001,  5}, {0x0004,  5},
        {0x000A,  6}, {0x0006,  5}, {0x000B,  6}, {0x000E,  6},
        {0x003C,  8}, {0x003D,  8}, {0x07C0, 13}, {0x07C1, 13},
        {0x07C2, 13}, {0x07C3, 13}, {0x07C4, 13}, {0x07C5, 13},
        {0x07C6, 13}, {0x0001,  2}, {0x0002,  2}, {0x0006,  3},
        {0x000E,  4}, {0x001E,  5}, {0x001F,  5}, {0x003F,  8},
        {0x007D,  9}, {0x07C7, 13}, {0x07C8, 13}, {0x07C9, 13},
        {0x07CA, 13}, {0x07CB, 13}, {0x07CC, 13}, {0x07CD, 13},
        {0x07CE, 13}, {0x07CF, 13},
    },{//7
        {0x0000,  7}, {0x0001,  7}, {0x0002,  7}, {0x0003,  7},
        {0x0004,  7}, {0x0005,  7}, {0x0006,  7}, {0x0007,  7},
        {0x0008,  7}, {0x0009,  7}, {0x000A,  7}, {0x000B,  7},
        {0x000C,  7}, {0x000D,  7}, {0x000E,  7}, {0x000F,  7},
        {0x0010,  7}, {0x0001,  1}, {0x0001,  2}, {0x0011,  7},
        {0x0012,  7}, {0x0013,  7}, {0x0014,  7}, {0x0015,  7},
        {0x0016,  7}, {0x0017,  7}, {0x0018,  7}, {0x0019,  7},
        {0x001A,  7}, {0x001B,  7}, {0x001C,  7}, {0x001D,  7},
        {0x001E,  7}, {0x001F,  7},
    }
};
#define MAX_DC_VLC_BITS 14


static const uint16_t x8_ac0_lowquant_table[8][77][2]={
    {//0