vlc.h

在dsp上实现h.264编解码

/*****************************************************************************
 * vlc.h : vlc table
 *****************************************************************************
 * Copyright (C) 2003 Laurent Aimar
 * $Id: vlc.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $
 *
 * Authors: Laurent Aimar <[e-mail]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

typedef struct
{
    int i_bits;
    int i_size;
} vlc_t;

/* XXX: don't forget to change it if you change vlc_t */
#define MKVLC( a, b ) { a, b }
static const vlc_t SHU264_coeff_token[5][17*4] =
{
    /* table 0 */
    {
        MKVLC( 0x1, 1 ), /* str=1 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x5, 6 ), /* str=000101 */
        MKVLC( 0x1, 2 ), /* str=01 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x7, 8 ), /* str=00000111 */
        MKVLC( 0x4, 6 ), /* str=000100 */
        MKVLC( 0x1, 3 ), /* str=001 */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x7, 9 ), /* str=000000111 */
        MKVLC( 0x6, 8 ), /* str=00000110 */
        MKVLC( 0x5, 7 ), /* str=0000101 */
        MKVLC( 0x3, 5 ), /* str=00011 */

        MKVLC( 0x7, 10 ), /* str=0000000111 */
        MKVLC( 0x6, 9 ), /* str=000000110 */
        MKVLC( 0x5, 8 ), /* str=00000101 */
        MKVLC( 0x3, 6 ), /* str=000011 */

        MKVLC( 0x7, 11 ), /* str=00000000111 */
        MKVLC( 0x6, 10 ), /* str=0000000110 */
        MKVLC( 0x5, 9 ), /* str=000000101 */
        MKVLC( 0x4, 7 ), /* str=0000100 */

        MKVLC( 0xf, 13 ), /* str=0000000001111 */
        MKVLC( 0x6, 11 ), /* str=00000000110 */
        MKVLC( 0x5, 10 ), /* str=0000000101 */
        MKVLC( 0x4, 8 ), /* str=00000100 */

        MKVLC( 0xb, 13 ), /* str=0000000001011 */
        MKVLC( 0xe, 13 ), /* str=0000000001110 */
        MKVLC( 0x5, 11 ), /* str=00000000101 */
        MKVLC( 0x4, 9 ), /* str=000000100 */

        MKVLC( 0x8, 13 ), /* str=0000000001000 */
        MKVLC( 0xa, 13 ), /* str=0000000001010 */
        MKVLC( 0xd, 13 ), /* str=0000000001101 */
        MKVLC( 0x4, 10 ), /* str=0000000100 */

        MKVLC( 0xf, 14 ), /* str=00000000001111 */
        MKVLC( 0xe, 14 ), /* str=00000000001110 */
        MKVLC( 0x9, 13 ), /* str=0000000001001 */
        MKVLC( 0x4, 11 ), /* str=00000000100 */

        MKVLC( 0xb, 14 ), /* str=00000000001011 */
        MKVLC( 0xa, 14 ), /* str=00000000001010 */
        MKVLC( 0xd, 14 ), /* str=00000000001101 */
        MKVLC( 0xc, 13 ), /* str=0000000001100 */

        MKVLC( 0xf, 15 ), /* str=000000000001111 */
        MKVLC( 0xe, 15 ), /* str=000000000001110 */
        MKVLC( 0x9, 14 ), /* str=00000000001001 */
        MKVLC( 0xc, 14 ), /* str=00000000001100 */

        MKVLC( 0xb, 15 ), /* str=000000000001011 */
        MKVLC( 0xa, 15 ), /* str=000000000001010 */
        MKVLC( 0xd, 15 ), /* str=000000000001101 */
        MKVLC( 0x8, 14 ), /* str=00000000001000 */

        MKVLC( 0xf, 16 ), /* str=0000000000001111 */
        MKVLC( 0x1, 15 ), /* str=000000000000001 */
        MKVLC( 0x9, 15 ), /* str=000000000001001 */
        MKVLC( 0xc, 15 ), /* str=000000000001100 */

        MKVLC( 0xb, 16 ), /* str=0000000000001011 */
        MKVLC( 0xe, 16 ), /* str=0000000000001110 */
        MKVLC( 0xd, 16 ), /* str=0000000000001101 */
        MKVLC( 0x8, 15 ), /* str=000000000001000 */

        MKVLC( 0x7, 16 ), /* str=0000000000000111 */
        MKVLC( 0xa, 16 ), /* str=0000000000001010 */
        MKVLC( 0x9, 16 ), /* str=0000000000001001 */
        MKVLC( 0xc, 16 ), /* str=0000000000001100 */

        MKVLC( 0x4, 16 ), /* str=0000000000000100 */
        MKVLC( 0x6, 16 ), /* str=0000000000000110 */
        MKVLC( 0x5, 16 ), /* str=0000000000000101 */
        MKVLC( 0x8, 16 ), /* str=0000000000001000 */
    },

    /* table 1 */
    {
        MKVLC( 0x3, 2 ), /* str=11 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0xb, 6 ), /* str=001011 */
        MKVLC( 0x2, 2 ), /* str=10 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x7, 6 ), /* str=000111 */
        MKVLC( 0x7, 5 ), /* str=00111 */
        MKVLC( 0x3, 3 ), /* str=011 */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x7, 7 ), /* str=0000111 */
        MKVLC( 0xa, 6 ), /* str=001010 */
        MKVLC( 0x9, 6 ), /* str=001001 */
        MKVLC( 0x5, 4 ), /* str=0101 */

        MKVLC( 0x7, 8 ), /* str=00000111 */
        MKVLC( 0x6, 6 ), /* str=000110 */
        MKVLC( 0x5, 6 ), /* str=000101 */
        MKVLC( 0x4, 4 ), /* str=0100 */

        MKVLC( 0x4, 8 ), /* str=00000100 */
        MKVLC( 0x6, 7 ), /* str=0000110 */
        MKVLC( 0x5, 7 ), /* str=0000101 */
        MKVLC( 0x6, 5 ), /* str=00110 */

        MKVLC( 0x7, 9 ), /* str=000000111 */
        MKVLC( 0x6, 8 ), /* str=00000110 */
        MKVLC( 0x5, 8 ), /* str=00000101 */
        MKVLC( 0x8, 6 ), /* str=001000 */

        MKVLC( 0xf, 11 ), /* str=00000001111 */
        MKVLC( 0x6, 9 ), /* str=000000110 */
        MKVLC( 0x5, 9 ), /* str=000000101 */
        MKVLC( 0x4, 6 ), /* str=000100 */

        MKVLC( 0xb, 11 ), /* str=00000001011 */
        MKVLC( 0xe, 11 ), /* str=00000001110 */
        MKVLC( 0xd, 11 ), /* str=00000001101 */
        MKVLC( 0x4, 7 ), /* str=0000100 */

        MKVLC( 0xf, 12 ), /* str=000000001111 */
        MKVLC( 0xa, 11 ), /* str=00000001010 */
        MKVLC( 0x9, 11 ), /* str=00000001001 */
        MKVLC( 0x4, 9 ), /* str=000000100 */

        MKVLC( 0xb, 12 ), /* str=000000001011 */
        MKVLC( 0xe, 12 ), /* str=000000001110 */
        MKVLC( 0xd, 12 ), /* str=000000001101 */
        MKVLC( 0xc, 11 ), /* str=00000001100 */

        MKVLC( 0x8, 12 ), /* str=000000001000 */
        MKVLC( 0xa, 12 ), /* str=000000001010 */
        MKVLC( 0x9, 12 ), /* str=000000001001 */
        MKVLC( 0x8, 11 ), /* str=00000001000 */

        MKVLC( 0xf, 13 ), /* str=0000000001111 */
        MKVLC( 0xe, 13 ), /* str=0000000001110 */
        MKVLC( 0xd, 13 ), /* str=0000000001101 */
        MKVLC( 0xc, 12 ), /* str=000000001100 */

        MKVLC( 0xb, 13 ), /* str=0000000001011 */
        MKVLC( 0xa, 13 ), /* str=0000000001010 */
        MKVLC( 0x9, 13 ), /* str=0000000001001 */
        MKVLC( 0xc, 13 ), /* str=0000000001100 */

        MKVLC( 0x7, 13 ), /* str=0000000000111 */
        MKVLC( 0xb, 14 ), /* str=00000000001011 */
        MKVLC( 0x6, 13 ), /* str=0000000000110 */
        MKVLC( 0x8, 13 ), /* str=0000000001000 */

        MKVLC( 0x9, 14 ), /* str=00000000001001 */
        MKVLC( 0x8, 14 ), /* str=00000000001000 */
        MKVLC( 0xa, 14 ), /* str=00000000001010 */
        MKVLC( 0x1, 13 ), /* str=0000000000001 */

        MKVLC( 0x7, 14 ), /* str=00000000000111 */
        MKVLC( 0x6, 14 ), /* str=00000000000110 */
        MKVLC( 0x5, 14 ), /* str=00000000000101 */
        MKVLC( 0x4, 14 ), /* str=00000000000100 */
    },
    /* table 2 */
    {
        MKVLC( 0xf, 4 ), /* str=1111 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0xf, 6 ), /* str=001111 */
        MKVLC( 0xe, 4 ), /* str=1110 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0xb, 6 ), /* str=001011 */
        MKVLC( 0xf, 5 ), /* str=01111 */
        MKVLC( 0xd, 4 ), /* str=1101 */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x8, 6 ), /* str=001000 */
        MKVLC( 0xc, 5 ), /* str=01100 */
        MKVLC( 0xe, 5 ), /* str=01110 */
        MKVLC( 0xc, 4 ), /* str=1100 */

        MKVLC( 0xf, 7 ), /* str=0001111 */
        MKVLC( 0xa, 5 ), /* str=01010 */
        MKVLC( 0xb, 5 ), /* str=01011 */
        MKVLC( 0xb, 4 ), /* str=1011 */

        MKVLC( 0xb, 7 ), /* str=0001011 */
        MKVLC( 0x8, 5 ), /* str=01000 */
        MKVLC( 0x9, 5 ), /* str=01001 */
        MKVLC( 0xa, 4 ), /* str=1010 */

        MKVLC( 0x9, 7 ), /* str=0001001 */
        MKVLC( 0xe, 6 ), /* str=001110 */
        MKVLC( 0xd, 6 ), /* str=001101 */
        MKVLC( 0x9, 4 ), /* str=1001 */

        MKVLC( 0x8, 7 ), /* str=0001000 */
        MKVLC( 0xa, 6 ), /* str=001010 */
        MKVLC( 0x9, 6 ), /* str=001001 */
        MKVLC( 0x8, 4 ), /* str=1000 */

        MKVLC( 0xf, 8 ), /* str=00001111 */
        MKVLC( 0xe, 7 ), /* str=0001110 */
        MKVLC( 0xd, 7 ), /* str=0001101 */
        MKVLC( 0xd, 5 ), /* str=01101 */

        MKVLC( 0xb, 8 ), /* str=00001011 */
        MKVLC( 0xe, 8 ), /* str=00001110 */
        MKVLC( 0xa, 7 ), /* str=0001010 */
        MKVLC( 0xc, 6 ), /* str=001100 */

        MKVLC( 0xf, 9 ), /* str=000001111 */
        MKVLC( 0xa, 8 ), /* str=00001010 */
        MKVLC( 0xd, 8 ), /* str=00001101 */
        MKVLC( 0xc, 7 ), /* str=0001100 */

        MKVLC( 0xb, 9 ), /* str=000001011 */
        MKVLC( 0xe, 9 ), /* str=000001110 */
        MKVLC( 0x9, 8 ), /* str=00001001 */
        MKVLC( 0xc, 8 ), /* str=00001100 */

        MKVLC( 0x8, 9 ), /* str=000001000 */
        MKVLC( 0xa, 9 ), /* str=000001010 */
        MKVLC( 0xd, 9 ), /* str=000001101 */
        MKVLC( 0x8, 8 ), /* str=00001000 */

        MKVLC( 0xd, 10 ), /* str=0000001101 */
        MKVLC( 0x7, 9 ), /* str=000000111 */
        MKVLC( 0x9, 9 ), /* str=000001001 */
        MKVLC( 0xc, 9 ), /* str=000001100 */

        MKVLC( 0x9, 10 ), /* str=0000001001 */
        MKVLC( 0xc, 10 ), /* str=0000001100 */
        MKVLC( 0xb, 10 ), /* str=0000001011 */
        MKVLC( 0xa, 10 ), /* str=0000001010 */

        MKVLC( 0x5, 10 ), /* str=0000000101 */
        MKVLC( 0x8, 10 ), /* str=0000001000 */
        MKVLC( 0x7, 10 ), /* str=0000000111 */
        MKVLC( 0x6, 10 ), /* str=0000000110 */

        MKVLC( 0x1, 10 ), /* str=0000000001 */
        MKVLC( 0x4, 10 ), /* str=0000000100 */
        MKVLC( 0x3, 10 ), /* str=0000000011 */
        MKVLC( 0x2, 10 ), /* str=0000000010 */
    },

    /* table 3 */
    {
        MKVLC( 0x3, 6 ), /* str=000011 */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */
        MKVLC( 0x0, 0 ), /* str= */

        MKVLC( 0x0, 6 ), /* str=000000 */
        MKVLC( 0x1, 6 ), /* str=000001 */