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ivi_common.c

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/*
 * common functions for Indeo Video Interactive codecs (Indeo4 and Indeo5)
 *
 * Copyright (c) 2009 Maxim Poliakovski
 *
 * 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
 */

/**
 * @file libavcodec/ivi_common.c
 * This file contains functions and data shared by both Indeo4 and
 * Indeo5 decoders.
 */

#define ALT_BITSTREAM_READER_LE
#include "avcodec.h"
#include "get_bits.h"
#include "ivi_common.h"
#include "libavutil/common.h"
#include "ivi_dsp.h"

extern const IVIHuffDesc ff_ivi_mb_huff_desc[8];  ///< static macroblock huffman tables
extern const IVIHuffDesc ff_ivi_blk_huff_desc[8]; ///< static block huffman tables

00039 VLC ff_ivi_mb_vlc_tabs [8];
00040 VLC ff_ivi_blk_vlc_tabs[8];

/**
 *  Reverses "nbits" bits of the value "val" and returns the result
 *  in the least significant bits.
 */
00046 static uint16_t inv_bits(uint16_t val, int nbits)
{
    uint16_t res;

    if (nbits <= 8) {
        res = av_reverse[val] >> (8-nbits);
    } else
        res = ((av_reverse[val & 0xFF] << 8) + (av_reverse[val >> 8])) >> (16-nbits);

    return res;
}

00058 int ff_ivi_create_huff_from_desc(const IVIHuffDesc *cb, VLC *vlc, int flag)
{
    int         pos, i, j, codes_per_row, prefix, not_last_row;
    uint16_t    codewords[256]; /* FIXME: move this temporal storage out? */
    uint8_t     bits[256];

    pos = 0; /* current position = 0 */

    for (i = 0; i < cb->num_rows; i++) {
        codes_per_row = 1 << cb->xbits[i];
        not_last_row  = (i != cb->num_rows - 1);
        prefix        = ((1 << i) - 1) << (cb->xbits[i] + not_last_row);

        for (j = 0; j < codes_per_row; j++) {
            if (pos >= 256) /* Some Indeo5 codebooks can have more than 256 */
                break;      /* elements, but only 256 codes are allowed! */

            bits[pos] = i + cb->xbits[i] + not_last_row;
            if (bits[pos] > IVI_VLC_BITS)
                return -1; /* invalid descriptor */

            codewords[pos] = inv_bits((prefix | j), bits[pos]);
            if (!bits[pos])
                bits[pos] = 1;

            pos++;
        }//for j
    }//for i

    /* number of codewords = pos */
    return init_vlc(vlc, IVI_VLC_BITS, pos, bits, 1, 1, codewords, 2, 2,
                    (flag ? INIT_VLC_USE_NEW_STATIC : 0) | INIT_VLC_LE);
}

00092 void ff_ivi_init_static_vlc(void)
{
    int i;
    static VLC_TYPE table_data[8192 * 16][2];
    static int initialized_vlcs = 0;

    if (initialized_vlcs)
        return;
    for (i = 0; i < 8; i++) {
        ff_ivi_mb_vlc_tabs[i].table = table_data + i * 2 * 8192;
        ff_ivi_mb_vlc_tabs[i].table_allocated = 8192;
        ff_ivi_create_huff_from_desc(&ff_ivi_mb_huff_desc[i],  &ff_ivi_mb_vlc_tabs[i],  1);
        ff_ivi_blk_vlc_tabs[i].table = table_data + (i * 2 + 1) * 8192;
        ff_ivi_blk_vlc_tabs[i].table_allocated = 8192;
        ff_ivi_create_huff_from_desc(&ff_ivi_blk_huff_desc[i], &ff_ivi_blk_vlc_tabs[i], 1);
    }
    initialized_vlcs = 1;
}

00111 int ff_ivi_dec_huff_desc(GetBitContext *gb, int desc_coded, int which_tab,
                         IVIHuffTab *huff_tab, AVCodecContext *avctx)
{
    int         i, result;
    IVIHuffDesc new_huff;

    if (!desc_coded) {
        /* select default table */
        huff_tab->tab = (which_tab) ? &ff_ivi_blk_vlc_tabs[7]
            : &ff_ivi_mb_vlc_tabs [7];
    } else {
        huff_tab->tab_sel = get_bits(gb, 3);
        if (huff_tab->tab_sel == 7) {
            /* custom huffman table (explicitly encoded) */
            new_huff.num_rows = get_bits(gb, 4);

            for (i = 0; i < new_huff.num_rows; i++)
                new_huff.xbits[i] = get_bits(gb, 4);

            /* Have we got the same custom table? Rebuild if not. */
            if (ff_ivi_huff_desc_cmp(&new_huff, &huff_tab->cust_desc)) {
                ff_ivi_huff_desc_copy(&huff_tab->cust_desc, &new_huff);

                if (huff_tab->cust_tab.table)
                    free_vlc(&huff_tab->cust_tab);
                result = ff_ivi_create_huff_from_desc(&huff_tab->cust_desc,
                        &huff_tab->cust_tab, 0);
                if (result) {
                    av_log(avctx, AV_LOG_ERROR,
                           "Error while initializing custom vlc table!\n");
                    return -1;
                }
            }
            huff_tab->tab = &huff_tab->cust_tab;
        } else {
            /* select one of predefined tables */
            huff_tab->tab = (which_tab) ? &ff_ivi_blk_vlc_tabs[huff_tab->tab_sel]
                : &ff_ivi_mb_vlc_tabs [huff_tab->tab_sel];
        }
    }

    return 0;
}

00155 int ff_ivi_huff_desc_cmp(const IVIHuffDesc *desc1, const IVIHuffDesc *desc2)
{
    return    desc1->num_rows != desc2->num_rows
           || memcmp(desc1->xbits, desc2->xbits, desc1->num_rows);
}

00161 void ff_ivi_huff_desc_copy(IVIHuffDesc *dst, const IVIHuffDesc *src)
{
    dst->num_rows = src->num_rows;
    memcpy(dst->xbits, src->xbits, src->num_rows);
}

00167 int av_cold ff_ivi_init_planes(IVIPlaneDesc *planes, const IVIPicConfig *cfg)
{
    int         p, b;
    uint32_t    b_width, b_height, align_fac, width_aligned, height_aligned, buf_size;
    IVIBandDesc *band;

    ff_ivi_free_buffers(planes);

    /* fill in the descriptor of the luminance plane */
    planes[0].width     = cfg->pic_width;
    planes[0].height    = cfg->pic_height;
    planes[0].num_bands = cfg->luma_bands;

    /* fill in the descriptors of the chrominance planes */
    planes[1].width     = planes[2].width     = (cfg->pic_width  + 3) >> 2;
    planes[1].height    = planes[2].height    = (cfg->pic_height + 3) >> 2;
    planes[1].num_bands = planes[2].num_bands = cfg->chroma_bands;

    for (p = 0; p < 3; p++) {
        planes[p].bands = av_mallocz(planes[p].num_bands * sizeof(IVIBandDesc));
        if (!planes[p].bands)
            return AVERROR(ENOMEM);

        /* select band dimensions: if there is only one band then it
         *  has the full size, if there are several bands each of them
         *  has only half size */
        b_width  = planes[p].num_bands == 1 ? planes[p].width  : (planes[p].width  + 1) >> 1;
        b_height = planes[p].num_bands == 1 ? planes[p].height : (planes[p].height + 1) >> 1;

        /* luma   band buffers will be aligned on 16x16 (max macroblock size) */
        /* chroma band buffers will be aligned on   8x8 (max macroblock size) */
        align_fac       = p ? 8 : 16;
        width_aligned   = FFALIGN(b_width , align_fac);
        height_aligned  = FFALIGN(b_height, align_fac);
        buf_size        = width_aligned * height_aligned * sizeof(int16_t);

        for (b = 0; b < planes[p].num_bands; b++) {
            band = &planes[p].bands[b]; /* select appropriate plane/band */
            band->plane    = p;
            band->band_num = b;
            band->width    = b_width;
            band->height   = b_height;
            band->pitch    = width_aligned;
            band->bufs[0]  = av_malloc(buf_size);
            band->bufs[1]  = av_malloc(buf_size);
            if (!band->bufs[0] || !band->bufs[1])
                return AVERROR(ENOMEM);

            /* allocate the 3rd band buffer for scalability mode */
            if (cfg->luma_bands > 1) {
                band->bufs[2] = av_malloc(buf_size);
                if (!band->bufs[2])
                    return AVERROR(ENOMEM);
            }

            planes[p].bands[0].blk_vlc.cust_desc.num_rows = 0; /* reset custom vlc */
        }
    }

    return 0;
}

00229 void av_cold ff_ivi_free_buffers(IVIPlaneDesc *planes)
{
    int p, b, t;

    for (p = 0; p < 3; p++) {
        for (b = 0; b < planes[p].num_bands; b++) {
            av_freep(&planes[p].bands[b].bufs[0]);
            av_freep(&planes[p].bands[b].bufs[1]);
            av_freep(&planes[p].bands[b].bufs[2]);

            if (planes[p].bands[b].blk_vlc.cust_tab.table)
                free_vlc(&planes[p].bands[b].blk_vlc.cust_tab);
            for (t = 0; t < planes[p].bands[b].num_tiles; t++)
                av_freep(&planes[p].bands[b].tiles[t].mbs);
            av_freep(&planes[p].bands[b].tiles);
        }
        av_freep(&planes[p].bands);
    }
}

00249 int av_cold ff_ivi_init_tiles(IVIPlaneDesc *planes, int tile_width, int tile_height)
{
    int         p, b, x, y, x_tiles, y_tiles, t_width, t_height;
    IVIBandDesc *band;
    IVITile     *tile, *ref_tile;

    for (p = 0; p < 3; p++) {
        t_width  = !p ? tile_width  : (tile_width  + 3) >> 2;
        t_height = !p ? tile_height : (tile_height + 3) >> 2;

        if (!p && planes[0].num_bands == 4) {
            t_width  >>= 1;
            t_height >>= 1;
        }

        for (b = 0; b < planes[p].num_bands; b++) {
            band = &planes[p].bands[b];
            x_tiles = IVI_NUM_TILES(band->width, t_width);
            y_tiles = IVI_NUM_TILES(band->height, t_height);
            band->num_tiles = x_tiles * y_tiles;

            av_freep(&band->tiles);
            band->tiles = av_mallocz(band->num_tiles * sizeof(IVITile));
            if (!band->tiles)
                return AVERROR(ENOMEM);

            tile = band->tiles;

            /* use the first luma band as reference for motion vectors
             * and quant */
            ref_tile = planes[0].bands[0].tiles;

            for (y = 0; y < band->height; y += t_height) {
                for (x = 0; x < band->width; x += t_width) {
                    tile->xpos     = x;
                    tile->ypos     = y;
                    tile->width    = FFMIN(band->width - x,  t_width);
                    tile->height   = FFMIN(band->height - y, t_height);
                    tile->is_empty = tile->data_size = 0;
                    /* calculate number of macroblocks */
                    tile->num_MBs  = IVI_MBs_PER_TILE(tile->width, tile->height,
                                                      band->mb_size);

                    av_freep(&tile->mbs);
                    tile->mbs = av_malloc(tile->num_MBs * sizeof(IVIMbInfo));
                    if (!tile->mbs)
                        return AVERROR(ENOMEM);

                    tile->ref_mbs = 0;
                    if (p || b) {
                        tile->ref_mbs = ref_tile->mbs;
                        ref_tile++;
                    }

                    tile++;
                }
            }

        }// for b
    }// for p

    return 0;
}

00313 int ff_ivi_dec_tile_data_size(GetBitContext *gb)
{
    int    len;

    len = 0;
    if (get_bits1(gb)) {
        len = get_bits(gb, 8);
        if (len == 255)
            len = get_bits_long(gb, 24);
    }

    /* align the bitstream reader on the byte boundary */
    align_get_bits(gb);

    return len;
}

00330 int ff_ivi_decode_blocks(GetBitContext *gb, IVIBandDesc *band, IVITile *tile)
{
    int         mbn, blk, num_blocks, num_coeffs, blk_size, scan_pos, run, val,
                pos, is_intra, mc_type, mv_x, mv_y, col_mask;
    uint8_t     col_flags[8];
    int32_t     prev_dc, trvec[64];
    uint32_t    cbp, sym, lo, hi, quant, buf_offs, q;
    IVIMbInfo   *mb;
    RVMapDesc   *rvmap = band->rv_map;
    void (*mc_with_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
    void (*mc_no_delta_func)  (int16_t *buf, const int16_t *ref_buf, uint32_t pitch, int mc_type);
    const uint8_t   *base_tab, *scale_tab;

    prev_dc = 0; /* init intra prediction for the DC coefficient */

    blk_size   = band->blk_size;
    col_mask   = blk_size - 1; /* column mask for tracking non-zero coeffs */
    num_blocks = (band->mb_size != blk_size) ? 4 : 1; /* number of blocks per mb */
    num_coeffs = blk_size * blk_size;
    if (blk_size == 8) {
        mc_with_delta_func = ff_ivi_mc_8x8_delta;
        mc_no_delta_func   = ff_ivi_mc_8x8_no_delta;
    } else {
        mc_with_delta_func = ff_ivi_mc_4x4_delta;
        mc_no_delta_func   = ff_ivi_mc_4x4_no_delta;
    }

    for (mbn = 0, mb = tile->mbs; mbn < tile->num_MBs; mb++, mbn++) {
        is_intra = !mb->type;
        cbp      = mb->cbp;
        buf_offs = mb->buf_offs;

        quant = av_clip(band->glob_quant + mb->q_delta, 0, 23);

        base_tab  = is_intra ? band->intra_base  : band->inter_base;
        scale_tab = is_intra ? band->intra_scale : band->inter_scale;

        if (!is_intra) {
            mv_x = mb->mv_x;
            mv_y = mb->mv_y;
            if (!band->is_halfpel) {
                mc_type = 0; /* we have only fullpel vectors */
            } else {
                mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
                mv_x >>= 1;
                mv_y >>= 1; /* convert halfpel vectors into fullpel ones */
            }
        }

        for (blk = 0; blk < num_blocks; blk++) {
            /* adjust block position in the buffer according to its number */
            if (blk & 1) {
                buf_offs += blk_size;
            } else if (blk == 2) {
                buf_offs -= blk_size;
                buf_offs += blk_size * band->pitch;
            }

            if (cbp & 1) { /* block coded ? */
                scan_pos = -1;
                memset(trvec, 0, num_coeffs*sizeof(trvec[0])); /* zero transform vector */
                memset(col_flags, 0, sizeof(col_flags));      /* zero column flags */

                while (scan_pos <= num_coeffs) {
                    sym = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1);
                    if (sym == rvmap->eob_sym)
                        break; /* End of block */

                    if (sym == rvmap->esc_sym) { /* Escape - run/val explicitly coded using 3 vlc codes */
                        run = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1) + 1;
                        lo  = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1);
                        hi  = get_vlc2(gb, band->blk_vlc.tab->table, IVI_VLC_BITS, 1);
                        val = IVI_TOSIGNED((hi << 6) | lo); /* merge them and convert into signed val */
                    } else {
                        run = rvmap->runtab[sym];
                        val = rvmap->valtab[sym];
                    }

                    /* de-zigzag and dequantize */
                    scan_pos += run;
                    if (scan_pos >= num_coeffs)
                        break;
                    pos = band->scan[scan_pos];

                    if (IVI_DEBUG && !val)
                        av_log(NULL, AV_LOG_ERROR, "Val = 0 encountered!\n");

                    q = (base_tab[pos] * scale_tab[quant]) >> 8;
                    if (q > 1)
                        val = val * q + FFSIGN(val) * ((q >> 1) - (q & 1));
                    trvec[pos] = val;
                    col_flags[pos & col_mask] |= !!val; /* track columns containing non-zero coeffs */
                }// while

                if (scan_pos >= num_coeffs && sym != rvmap->eob_sym)
                    return -1; /* corrupt block data */

                /* undoing DC coeff prediction for intra-blocks */
                if (is_intra && band->is_2d_trans) {
                    prev_dc      += trvec[0];
                    trvec[0]      = prev_dc;
                    col_flags[0] |= !!prev_dc;
                }

                /* apply inverse transform */
                band->inv_transform(trvec, band->buf + buf_offs,
                                    band->pitch, col_flags);

                /* apply motion compensation */
                if (!is_intra)
                    mc_with_delta_func(band->buf + buf_offs,
                                       band->ref_buf + buf_offs + mv_y * band->pitch + mv_x,
                                       band->pitch, mc_type);
            } else {
                /* block not coded */
                /* for intra blocks apply the dc slant transform */
                /* for inter - perform the motion compensation without delta */
                if (is_intra && band->dc_transform) {
                    band->dc_transform(&prev_dc, band->buf + buf_offs,
                                       band->pitch, blk_size);
                } else
                    mc_no_delta_func(band->buf + buf_offs,
                                     band->ref_buf + buf_offs + mv_y * band->pitch + mv_x,
                                     band->pitch, mc_type);
            }

            cbp >>= 1;
        }// for blk
    }// for mbn

    align_get_bits(gb);

    return 0;
}

00465 void ff_ivi_process_empty_tile(AVCodecContext *avctx, IVIBandDesc *band,
                               IVITile *tile, int32_t mv_scale)
{
    int             x, y, need_mc, mbn, blk, num_blocks, mv_x, mv_y, mc_type;
    int             offs, mb_offset, row_offset;
    IVIMbInfo       *mb, *ref_mb;
    const int16_t   *src;
    int16_t         *dst;
    void (*mc_no_delta_func)(int16_t *buf, const int16_t *ref_buf, uint32_t pitch,
                             int mc_type);

    offs       = tile->ypos * band->pitch + tile->xpos;
    mb         = tile->mbs;
    ref_mb     = tile->ref_mbs;
    row_offset = band->mb_size * band->pitch;
    need_mc    = 0; /* reset the mc tracking flag */

    for (y = tile->ypos; y < (tile->ypos + tile->height); y += band->mb_size) {
        mb_offset = offs;

        for (x = tile->xpos; x < (tile->xpos + tile->width); x += band->mb_size) {
            mb->xpos     = x;
            mb->ypos     = y;
            mb->buf_offs = mb_offset;

            mb->type = 1; /* set the macroblocks type = INTER */
            mb->cbp  = 0; /* all blocks are empty */

            if (!band->qdelta_present && !band->plane && !band->band_num) {
                mb->q_delta = band->glob_quant;
                mb->mv_x    = 0;
                mb->mv_y    = 0;
            }

            if (band->inherit_qdelta && ref_mb)
                mb->q_delta = ref_mb->q_delta;

            if (band->inherit_mv) {
                /* motion vector inheritance */
                if (mv_scale) {
                    mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale);
                    mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale);
                } else {
                    mb->mv_x = ref_mb->mv_x;
                    mb->mv_y = ref_mb->mv_y;
                }
                need_mc |= mb->mv_x || mb->mv_y; /* tracking non-zero motion vectors */
            }

            mb++;
            if (ref_mb)
                ref_mb++;
            mb_offset += band->mb_size;
        } // for x
        offs += row_offset;
    } // for y

    if (band->inherit_mv && need_mc) { /* apply motion compensation if there is at least one non-zero motion vector */
        num_blocks = (band->mb_size != band->blk_size) ? 4 : 1; /* number of blocks per mb */
        mc_no_delta_func = (band->blk_size == 8) ? ff_ivi_mc_8x8_no_delta
                                                 : ff_ivi_mc_4x4_no_delta;

        for (mbn = 0, mb = tile->mbs; mbn < tile->num_MBs; mb++, mbn++) {
            mv_x = mb->mv_x;
            mv_y = mb->mv_y;
            if (!band->is_halfpel) {
                mc_type = 0; /* we have only fullpel vectors */
            } else {
                mc_type = ((mv_y & 1) << 1) | (mv_x & 1);
                mv_x >>= 1;
                mv_y >>= 1; /* convert halfpel vectors into fullpel ones */
            }

            for (blk = 0; blk < num_blocks; blk++) {
                /* adjust block position in the buffer according with its number */
                offs = mb->buf_offs + band->blk_size * ((blk & 1) + !!(blk & 2) * band->pitch);
                mc_no_delta_func(band->buf + offs,
                                 band->ref_buf + offs + mv_y * band->pitch + mv_x,
                                 band->pitch, mc_type);
            }
        }
    } else {
        /* copy data from the reference tile into the current one */
        src = band->ref_buf + tile->ypos * band->pitch + tile->xpos;
        dst = band->buf     + tile->ypos * band->pitch + tile->xpos;
        for (y = 0; y < tile->height; y++) {
            memcpy(dst, src, tile->width*sizeof(band->buf[0]));
            src += band->pitch;
            dst += band->pitch;
        }
    }
}


#if IVI_DEBUG
uint16_t ivi_calc_band_checksum (IVIBandDesc *band)
{
    int         x, y;
    int16_t     *src, checksum;

    src = band->buf;
    checksum = 0;

    for (y = 0; y < band->height; src += band->pitch, y++)
        for (x = 0; x < band->width; x++)
            checksum += src[x];

    return checksum;
}

int ivi_check_band (IVIBandDesc *band, const uint8_t *ref, int pitch)
{
    int         x, y, result;
    uint8_t     t1, t2;
    int16_t    *src;

    src = band->buf;
    result = 0;

    for (y = 0; y < band->height; src += band->pitch, y++) {
        for (x = 0; x < band->width; x++) {
            t1 = av_clip(src[x] + 128, 0, 255);
            t2 = ref[x];
            if (t1 != t2) {
                av_log(NULL, AV_LOG_ERROR, "Data mismatch: row %d, column %d\n",
                       y / band->blk_size, x / band->blk_size);
                result = -1;
            }
        }
        ref += pitch;
    }

    return result;
}
#endif

00601 void ff_ivi_output_plane(IVIPlaneDesc *plane, uint8_t *dst, int dst_pitch)
{
    int             x, y;
    const int16_t   *src  = plane->bands[0].buf;
    uint32_t        pitch = plane->bands[0].pitch;

    for (y = 0; y < plane->height; y++) {
        for (x = 0; x < plane->width; x++)
            dst[x] = av_clip_uint8(src[x] + 128);
        src += pitch;
        dst += dst_pitch;
    }
}


/**
 * These are 2x8 predefined Huffman codebooks for coding macroblock/block
 * signals. They are specified using "huffman descriptors" in order to
 * avoid huge static tables. The decoding tables will be generated at
 * startup from these descriptors.
 */
00622 const IVIHuffDesc ff_ivi_mb_huff_desc[8] = {
    {8,  {0, 4, 5, 4, 4, 4, 6, 6}},
    {12, {0, 2, 2, 3, 3, 3, 3, 5, 3, 2, 2, 2}},
    {12, {0, 2, 3, 4, 3, 3, 3, 3, 4, 3, 2, 2}},
    {12, {0, 3, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2}},
    {13, {0, 4, 4, 3, 3, 3, 3, 2, 3, 3, 2, 1, 1}},
    {9,  {0, 4, 4, 4, 4, 3, 3, 3, 2}},
    {10, {0, 4, 4, 4, 4, 3, 3, 2, 2, 2}},
    {12, {0, 4, 4, 4, 3, 3, 2, 3, 2, 2, 2, 2}}
};

00633 const IVIHuffDesc ff_ivi_blk_huff_desc[8] = {
    {10, {1, 2, 3, 4, 4, 7, 5, 5, 4, 1}},
    {11, {2, 3, 4, 4, 4, 7, 5, 4, 3, 3, 2}},
    {12, {2, 4, 5, 5, 5, 5, 6, 4, 4, 3, 1, 1}},
    {13, {3, 3, 4, 4, 5, 6, 6, 4, 4, 3, 2, 1, 1}},
    {11, {3, 4, 4, 5, 5, 5, 6, 5, 4, 2, 2}},
    {13, {3, 4, 5, 5, 5, 5, 6, 4, 3, 3, 2, 1, 1}},
    {13, {3, 4, 5, 5, 5, 6, 5, 4, 3, 3, 2, 1, 1}},
    {9,  {3, 4, 4, 5, 5, 5, 6, 5, 5}}
};


/**
 *  Run-value (RLE) tables.
 */
00648 const RVMapDesc ff_ivi_rvmap_tabs[9] = {
{   /* MapTab0 */
    5, /* eob_sym */
    2, /* esc_sym */
    /* run table */
    {1,  1,  0,  1,  1,  0,  1,  1,  2,  2,  1,  1,  1,  1,  3,  3,
     1,  1,  2,  2,  1,  1,  4,  4,  1,  1,  1,  1,  2,  2,  5,  5,
     1,  1,  3,  3,  1,  1,  6,  6,  1,  2,  1,  2,  7,  7,  1,  1,
     8,  8,  1,  1,  4,  2,  1,  4,  2,  1,  3,  3,  1,  1,  1,  9,
     9,  1,  2,  1,  2,  1,  5,  5,  1,  1, 10, 10,  1,  1,  3,  3,
     2,  2,  1,  1, 11, 11,  6,  4,  4,  1,  6,  1,  2,  1,  2, 12,
     8,  1, 12,  7,  8,  7,  1, 16,  1, 16,  1,  3,  3, 13,  1, 13,
     2,  2,  1, 15,  1,  5, 14, 15,  1,  5, 14,  1, 17,  8, 17,  8,
     1,  4,  4,  2,  2,  1, 25, 25, 24, 24,  1,  3,  1,  3,  1,  8,
     6,  7,  6,  1, 18,  8, 18,  1,  7, 23,  2,  2, 23,  1,  1, 21,
    22,  9,  9, 22, 19,  1, 21,  5, 19,  5,  1, 33, 20, 33, 20,  8,
     4,  4,  1, 32,  2,  2,  8,  3, 32, 26,  3,  1,  7,  7, 26,  6,
     1,  6,  1,  1, 16,  1, 10,  1, 10,  2, 16, 29, 28,  2, 29, 28,
     1, 27,  5,  8,  5, 27,  1,  8,  3,  7,  3, 31, 41, 31,  1, 41,
     6,  1,  6,  7,  4,  4,  1,  1,  2,  1,  2, 11, 34, 30, 11,  1,
    30, 15, 15, 34, 36, 40, 36, 40, 35, 35, 37, 37, 39, 39, 38, 38},

    /* value table */
    { 1,  -1,   0,   2,  -2,   0,   3,  -3,   1,  -1,   4,  -4,   5,  -5,   1,  -1,
      6,  -6,   2,  -2,   7,  -7,   1,  -1,   8,  -8,   9,  -9,   3,  -3,   1,  -1,
     10, -10,   2,  -2,  11, -11,   1,  -1,  12,   4, -12,  -4,   1,  -1,  13, -13,
      1,  -1,  14, -14,   2,   5,  15,  -2,  -5, -15,  -3,   3,  16, -16,  17,   1,
     -1, -17,   6,  18,  -6, -18,   2,  -2,  19, -19,   1,  -1,  20, -20,   4,  -4,
      7,  -7,  21, -21,   1,  -1,   2,   3,  -3,  22,  -2, -22,   8,  23,  -8,   1,
      2, -23,  -1,   2,  -2,  -2,  24,   1, -24,  -1,  25,   5,  -5,   1, -25,  -1,
      9,  -9,  26,   1, -26,   3,   1,  -1,  27,  -3,  -1, -27,   1,   3,  -1,  -3,
     28,  -4,   4,  10, -10, -28,   1,  -1,   1,  -1,  29,   6, -29,  -6,  30,  -4,
      3,   3,  -3, -30,   1,   4,  -1,  31,  -3,   1,  11, -11,  -1, -31,  32,  -1,
     -1,   2,  -2,   1,   1, -32,   1,   4,  -1,  -4,  33,  -1,   1,   1,  -1,   5,
      5,  -5, -33,  -1, -12,  12,  -5,  -7,   1,   1,   7,  34,   4,  -4,  -1,   4,
    -34,  -4,  35,  36,  -2, -35,  -2, -36,   2,  13,   2,  -1,   1, -13,   1,  -1,
     37,   1,  -5,   6,   5,  -1,  38,  -6,  -8,   5,   8,  -1,   1,   1, -37,  -1,
      5,  39,  -5,  -5,   6,  -6, -38, -39, -14,  40,  14,   2,   1,   1,  -2, -40,
     -1,  -2,   2,  -1,  -1,  -1,   1,   1,   1,  -1,   1,  -1,   1,  -1,   1,  -1}
},{
    /* MapTab1 */
    0,  /* eob_sym */
    38, /* esc_sym */
    /* run table */
    {0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  8,  6,  8,  7,
     7,  9,  9, 10, 10, 11, 11,  1, 12,  1, 12, 13, 13, 16, 14, 16,
    14, 15, 15, 17, 17, 18,  0, 18, 19, 20, 21, 19, 22, 21, 20, 22,
    25, 24,  2, 25, 24, 23, 23,  2, 26, 28, 26, 28, 29, 27, 29, 27,
    33, 33,  1, 32,  1,  3, 32, 30, 36,  3, 36, 30, 31, 31, 35, 34,
    37, 41, 34, 35, 37,  4, 41,  4, 49,  8,  8, 49, 40, 38,  5, 38,
    40, 39,  5, 39, 42, 43, 42,  7, 57,  6, 43, 44,  6, 50,  7, 44,
    57, 48, 50, 48, 45, 45, 46, 47, 51, 46, 47, 58,  1, 51, 58,  1,
    52, 59, 53,  9, 52, 55, 55, 59, 53, 56, 54, 56, 54,  9, 64, 64,
    60, 63, 60, 63, 61, 62, 61, 62,  2, 10,  2, 10, 11,  1, 11, 13,
    12,  1, 12, 13, 16, 16,  8,  8, 14,  3,  3, 15, 14, 15,  4,  4,
     1, 17, 17,  5,  1,  7,  7,  5,  6,  1,  2,  2,  6, 22,  1, 25,
    21, 22,  8, 24,  1, 21, 25, 24,  8, 18, 18, 23,  9, 20, 23, 33,
    29, 33, 20,  1, 19,  1, 29, 36,  9, 36, 19, 41, 28, 57, 32,  3,
    28,  3,  1, 27, 49, 49,  1, 32, 26, 26,  2,  4,  4,  7, 57, 41,
     2,  7, 10,  5, 37, 16, 10, 27,  8,  8, 13, 16, 37, 13,  1,  5},

    /* value table */
    {0,   1,  -1,   1,  -1,   1,  -1,   1,  -1,   1,  -1,   1,   1,  -1,  -1,   1,
    -1,   1,  -1,   1,  -1,   1,  -1,   2,   1,  -2,  -1,   1,  -1,   1,   1,  -1,
    -1,   1,  -1,   1,  -1,   1,   0,  -1,   1,   1,   1,  -1,   1,  -1,  -1,  -1,
     1,   1,   2,  -1,  -1,   1,  -1,  -2,   1,   1,  -1,  -1,   1,   1,  -1,  -1,
     1,  -1,   3,   1,  -3,   2,  -1,   1,   1,  -2,  -1,  -1,  -1,   1,   1,   1,
     1,   1,  -1,  -1,  -1,   2,  -1,  -2,   1,   2,  -2,  -1,   1,   1,   2,  -1,
    -1,   1,  -2,  -1,   1,   1,  -1,   2,   1,   2,  -1,   1,  -2,  -1,  -2,  -1,
    -1,   1,   1,  -1,   1,  -1,   1,   1,   1,  -1,  -1,   1,   4,  -1,  -1,  -4,
     1,   1,   1,   2,  -1,  -1,   1,  -1,  -1,   1,  -1,  -1,   1,  -2,   1,  -1,
     1,   1,  -1,  -1,   1,   1,  -1,  -1,   3,   2,  -3,  -2,   2,   5,  -2,   2,
     2,  -5,  -2,  -2,  -2,   2,  -3,   3,   2,   3,  -3,   2,  -2,  -2,   3,  -3,
     6,   2,  -2,   3,  -6,   3,  -3,  -3,   3,   7,  -4,   4,  -3,   2,  -7,   2,
     2,  -2,  -4,   2,   8,  -2,  -2,  -2,   4,   2,  -2,   2,   3,   2,  -2,  -2,
     2,   2,  -2,  -8,  -2,   9,  -2,   2,  -3,  -2,   2,  -2,   2,   2,   2,   4,
    -2,  -4,  10,   2,   2,  -2,  -9,  -2,   2,  -2,   5,   4,  -4,   4,  -2,   2,
    -5,  -4,  -3,   4,   2,  -3,   3,  -2,  -5,   5,   3,   3,  -2,  -3, -10,  -4}
},{
    /* MapTab2 */
    2,  /* eob_sym */
    11, /* esc_sym */
    /* run table */
    {1,  1,  0,  2,  2,  1,  1,  3,  3,  4,  4,  0,  1,  1,  5,  5,
     2,  2,  6,  6,  7,  7,  1,  8,  1,  8,  3,  3,  9,  9,  1,  2,
     2,  1,  4, 10,  4, 10, 11, 11,  1,  5, 12, 12,  1,  5, 13, 13,
     3,  3,  6,  6,  2,  2, 14, 14, 16, 16, 15,  7, 15,  8,  8,  7,
     1,  1, 17, 17,  4,  4,  1,  1, 18, 18,  2,  2,  5,  5, 25,  3,
     9,  3, 25,  9, 19, 24, 19, 24,  1, 21, 20,  1, 21, 22, 20, 22,
    23, 23,  8,  6, 33,  6,  8, 33,  7,  7, 26, 26,  1, 32,  1, 32,
    28,  4, 28, 10, 29, 27, 27, 10, 41,  4, 29,  2,  2, 41, 36, 31,
    49, 31, 34, 30, 34, 36, 30, 35,  1, 49, 11,  5, 35, 11,  1,  3,
     3,  5, 37, 37,  8, 40,  8, 40, 12, 12, 42, 42,  1, 38, 16, 57,
     1,  6, 16, 39, 38,  6,  7,  7, 13, 13, 39, 43,  2, 43, 57,  2,
    50,  9, 44,  9, 50,  4, 15, 48, 44,  4,  1, 15, 48, 14, 14,  1,
    45, 45,  8,  3,  5,  8, 51, 47,  3, 46, 46, 47,  5, 51,  1, 17,
    17, 58,  1, 58,  2, 52, 52,  2, 53,  7, 59,  6,  6, 56, 53, 55,
     7, 55,  1, 54, 59, 56, 54, 10,  1, 10,  4, 60,  1, 60,  8,  4,
     8, 64, 64, 61,  1, 63,  3, 63, 62, 61,  5, 11,  5,  3, 11, 62},

    /* value table */
    { 1,  -1,   0,   1,  -1,   2,  -2,   1,  -1,   1,  -1,   0,   3,  -3,   1,  -1,
      2,  -2,   1,  -1,   1,  -1,   4,   1,  -4,  -1,   2,  -2,   1,  -1,   5,   3,
     -3,  -5,   2,   1,  -2,  -1,   1,  -1,   6,   2,   1,  -1,  -6,  -2,   1,  -1,
      3,  -3,   2,  -2,   4,  -4,   1,  -1,   1,  -1,   1,   2,  -1,   2,  -2,  -2,
      7,  -7,   1,  -1,   3,  -3,   8,  -8,   1,  -1,   5,  -5,   3,  -3,   1,   4,
      2,  -4,  -1,  -2,   1,   1,  -1,  -1,   9,   1,   1,  -9,  -1,   1,  -1,  -1,
      1,  -1,   3,  -3,   1,   3,  -3,  -1,   3,  -3,   1,  -1,  10,   1, -10,  -1,
      1,   4,  -1,   2,   1,  -1,   1,  -2,   1,  -4,  -1,   6,  -6,  -1,   1,   1,
      1,  -1,   1,   1,  -1,  -1,  -1,   1,  11,  -1,  -2,   4,  -1,   2, -11,   5,
     -5,  -4,  -1,   1,   4,   1,  -4,  -1,  -2,   2,   1,  -1,  12,   1,  -2,   1,
    -12,   4,   2,   1,  -1,  -4,   4,  -4,   2,  -2,  -1,   1,   7,  -1,  -1,  -7,
     -1,  -3,   1,   3,   1,   5,   2,   1,  -1,  -5,  13,  -2,  -1,   2,  -2, -13,
      1,  -1,   5,   6,   5,  -5,   1,   1,  -6,   1,  -1,  -1,  -5,  -1,  14,   2,
     -2,   1, -14,  -1,   8,   1,  -1,  -8,   1,   5,   1,   5,  -5,   1,  -1,   1,
     -5,  -1,  15,   1,  -1,  -1,  -1,   3, -15,  -3,   6,   1,  16,  -1,   6,  -6,
     -6,   1,  -1,   1, -16,   1,   7,  -1,   1,  -1,  -6,  -3,   6,  -7,   3,  -1}
},{
    /* MapTab3 */
    0,  /* eob_sym */
    35, /* esc_sym */
    /* run table */
    {0,  1,  1,  2,  2,  3,  3,  4,  4,  1,  1,  5,  5,  6,  6,  7,
     7,  8,  8,  9,  9,  2,  2, 10, 10,  1,  1, 11, 11, 12, 12,  3,
     3, 13, 13,  0, 14, 14, 16, 15, 16, 15,  4,  4, 17,  1, 17,  1,
     5,  5, 18, 18,  2,  2,  6,  6,  8, 19,  7,  8,  7, 19, 20, 20,
    21, 21, 22, 24, 22, 24, 23, 23,  1,  1, 25, 25,  3,  3, 26, 26,
     9,  9, 27, 27, 28, 28, 33, 29,  4, 33, 29,  1,  4,  1, 32, 32,
     2,  2, 31, 10, 30, 10, 30, 31, 34, 34,  5,  5, 36, 36, 35, 41,
    35, 11, 41, 11, 37,  1,  8,  8, 37,  6,  1,  6, 40,  7,  7, 40,
    12, 38, 12, 39, 39, 38, 49, 13, 49, 13,  3, 42,  3, 42, 16, 16,
    43, 43, 14, 14,  1,  1, 44, 15, 44, 15,  2,  2, 57, 48, 50, 48,
    57, 50,  4, 45, 45,  4, 46, 47, 47, 46,  1, 51,  1, 17, 17, 51,
     8,  9,  9,  5, 58,  8, 58,  5, 52, 52, 55, 56, 53, 56, 55, 59,
    59, 53, 54,  1,  6, 54,  7,  7,  6,  1,  2,  3,  2,  3, 64, 60,
    60, 10, 10, 64, 61, 62, 61, 63,  1, 63, 62,  1, 18, 24, 18,  4,
    25,  4,  8, 21, 21,  1, 24, 22, 25, 22,  8, 11, 19, 11, 23,  1,
    20, 23, 19, 20,  5, 12,  5,  1, 16,  2, 12, 13,  2, 13,  1, 16},

    /* value table */
    { 0,   1,  -1,   1,  -1,   1,  -1,   1,  -1,   2,  -2,   1,  -1,   1,  -1,   1,
     -1,   1,  -1,   1,  -1,   2,  -2,   1,  -1,   3,  -3,   1,  -1,   1,  -1,   2,
     -2,   1,  -1,   0,   1,  -1,   1,   1,  -1,  -1,   2,  -2,   1,   4,  -1,  -4,
      2,  -2,   1,  -1,  -3,   3,   2,  -2,   2,   1,   2,  -2,  -2,  -1,   1,  -1,
      1,  -1,   1,   1,  -1,  -1,   1,  -1,   5,  -5,   1,  -1,   3,  -3,   1,  -1,
      2,  -2,   1,  -1,   1,  -1,   1,   1,   3,  -1,  -1,   6,  -3,  -6,  -1,   1,
      4,  -4,   1,   2,   1,  -2,  -1,  -1,   1,  -1,   3,  -3,   1,  -1,   1,   1,
     -1,   2,  -1,  -2,   1,   7,  -3,   3,  -1,   3,  -7,  -3,   1,  -3,   3,  -1,
      2,   1,  -2,   1,  -1,  -1,   1,   2,  -1,  -2,  -4,  -1,   4,   1,   2,  -2,
      1,  -1,  -2,   2,   8,  -8,  -1,   2,   1,  -2,  -5,   5,   1,  -1,  -1,   1,
     -1,   1,   4,  -1,   1,  -4,  -1,  -1,   1,   1,   9,   1,  -9,   2,  -2,  -1,
     -4,   3,  -3,  -4,  -1,   4,   1,   4,   1,  -1,   1,  -1,   1,   1,  -1,   1,
     -1,  -1,  -1,  10,   4,   1,   4,  -4,  -4, -10,   6,   5,  -6,  -5,   1,  -1,
      1,   3,  -3,  -1,   1,  -1,  -1,  -1,  11,   1,   1, -11,  -2,  -2,   2,   5,
     -2,  -5,  -5,   2,  -2,  12,   2,  -2,   2,   2,   5,  -3,  -2,   3,  -2, -12,
     -2,   2,   2,   2,  -5,   3,   5,  13,  -3,   7,  -3,  -3,  -7,   3, -13,   3}
},{
    /* MapTab4 */
    0,  /* eob_sym */
    34, /* esc_sym */
    /* run table */
    {0,  1,  1,  1,  2,  2,  1,  3,  3,  1,  1,  1,  4,  4,  1,  5,
     2,  1,  5,  2,  1,  1,  6,  6,  1,  1,  1,  1,  1,  7,  3,  1,
     2,  3,  0,  1,  2,  7,  1,  1,  1,  8,  1,  1,  8,  1,  1,  1,
     9,  1,  9,  1,  2,  1,  1,  2,  1,  1, 10,  4,  1, 10,  1,  4,
     1,  1,  1,  1,  1,  3,  1,  1,  1,  3,  2,  1,  5,  1,  1,  1,
     2,  5,  1, 11,  1, 11,  1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
     2,  1,  6,  1,  6,  1,  1,  2,  1,  1,  1,  1,  1,  1,  1, 12,
     3,  1, 12,  1,  1,  1,  2,  1,  1,  3,  1,  1,  1,  1,  1,  1,
     4,  1,  1,  1,  2,  1,  1,  4,  1,  1,  1,  1,  1,  1,  2,  1,
     1,  1,  1,  1,  1,  1,  1,  1,  1,  1,  3,  1,  2,  1,  1,  5,
     1,  1,  1,  1,  1,  7,  1,  7,  1,  1,  2,  3,  1,  1,  1,  1,
     5,  1,  1,  1,  1,  1,  1,  2, 13,  1,  1,  1,  1,  1,  1,  1,
     1,  1,  1,  1,  1,  1,  1,  1, 13,  2,  1,  1,  4,  1,  1,  1,
     3,  1,  6,  1,  1,  1, 14,  1,  1,  1,  1,  1, 14,  6,  1,  1,
     1,  1, 15,  2,  4,  1,  2,  3, 15,  1,  1,  1,  8,  1,  1,  8,
     1,  1,  1,  1,  1,  1,  1,  1,  2,  1,  1,  1,  1,  1,  1,  1},

    /* value table */
    { 0,   1,  -1,   2,   1,  -1,  -2,   1,  -1,   3,  -3,   4,   1,  -1,  -4,   1,
      2,   5,  -1,  -2,  -5,   6,   1,  -1,  -6,   7,  -7,   8,  -8,   1,   2,   9,
      3,  -2,   0,  -9,  -3,  -1,  10, -10,  11,   1, -11,  12,  -1, -12,  13, -13,
      1,  14,  -1, -14,   4,  15, -15,  -4,  16, -16,   1,   2,  17,  -1, -17,  -2,
     18, -18,  19, -19,  20,   3, -20,  21, -21,  -3,   5,  22,   2, -22, -23,  23,
     -5,  -2,  24,   1, -24,  -1,  25, -25,  26, -26, -27,  27,  28,  29, -28, -29,
      6,  30,   2, -31,  -2, -30,  31,  -6, -32,  32,  33, -33,  34, -35, -34,   1,
      4, -36,  -1,  35,  37,  36,   7, -37,  38,  -4, -38,  39,  41,  40, -40, -39,
      3,  42, -43, -41,  -7, -42,  43,  -3,  44, -44,  45, -45,  46,  47,   8, -47,
    -48, -46,  50, -50,  48,  49,  51, -49,  52, -52,   5, -51,  -8, -53,  53,   3,
    -56,  56,  55,  54, -54,   2,  60,  -2, -55,  58,   9,  -5,  59,  57, -57, -63,
     -3, -58, -60, -61,  61, -59, -62,  -9,   1,  64,  62,  69, -64,  63,  65, -67,
    -68,  66, -65,  68, -66, -69,  67, -70,  -1,  10,  71, -71,   4,  73,  72,  70,
      6, -76,  -3,  74, -78, -74,   1,  78,  80, -72, -75,  76,  -1,   3, -73,  79,
     75,  77,   1,  11,  -4, -79, -10,  -6,  -1, -77, -83, -80,   2,  81, -84,  -2,
     83, -81,  82, -82,  84, -87, -86,  85, -11, -85,  86, -89,  87, -88,  88,  89}
},{
    /* MapTab5 */
    2,  /* eob_sym */
    33, /* esc_sym */
    /* run table */
    {1,  1,  0,  2,  1,  2,  1,  3,  3,  1,  1,  4,  4,  2,  2,  1,
     1,  5,  5,  6,  1,  6,  1,  7,  7,  3,  3,  2,  8,  2,  8,  1,
     1,  0,  9,  9,  1,  1, 10,  4, 10,  4, 11, 11,  2,  1,  2,  1,
    12, 12,  3,  3,  1,  1, 13,  5,  5, 13, 14,  1,  1, 14,  2,  2,
     6,  6, 15,  1,  1, 15, 16,  4,  7, 16,  4,  7,  1,  1,  3,  3,
     8,  8,  2,  2,  1,  1, 17, 17,  1,  1, 18, 18,  5,  5,  2,  2,
     1,  1,  9, 19,  9, 19, 20,  3,  3, 20,  1, 10, 21,  1, 10,  4,
     4, 21, 22,  6,  6, 22,  1,  1, 23, 24,  2,  2, 23, 24, 11,  1,
     1, 11,  7, 25,  7,  1,  1, 25,  8,  8,  3, 26,  3,  1, 12,  2,
     2, 26,  1, 12,  5,  5, 27,  4,  1,  4,  1, 27, 28,  1, 28, 13,
     1, 13,  2, 29,  2,  1, 32,  6,  1, 30, 14, 29, 14,  6,  3, 31,
     3,  1, 30,  1, 32, 31, 33,  9, 33,  1,  1,  7,  9,  7,  2,  2,
     1,  1,  4, 36, 34,  4,  5, 10, 10,  5, 34,  1,  1, 35,  8,  8,
    36,  3, 35,  1, 15,  3,  2,  1, 16, 15, 16,  2, 37,  1, 37,  1,
     1,  1,  6,  6, 38,  1, 38, 11,  1, 39, 39, 40, 11,  2, 41,  4,
    40,  1,  2,  4,  1,  1,  1, 41,  3,  1,  3,  1,  5,  7,  5,  7},

    /* value table */
    { 1,  -1,   0,   1,   2,  -1,  -2,   1,  -1,   3,  -3,   1,  -1,   2,  -2,   4,
     -4,   1,  -1,   1,   5,  -1,  -5,   1,  -1,   2,  -2,   3,   1,  -3,  -1,   6,
     -6,   0,   1,  -1,   7,  -7,   1,   2,  -1,  -2,   1,  -1,   4,   8,  -4,  -8,
      1,  -1,   3,  -3,   9,  -9,   1,   2,  -2,  -1,   1,  10, -10,  -1,   5,  -5,
      2,  -2,   1,  11, -11,  -1,   1,   3,   2,  -1,  -3,  -2,  12, -12,   4,  -4,
      2,  -2,  -6,   6,  13, -13,   1,  -1,  14, -14,   1,  -1,   3,  -3,   7,  -7,
     15, -15,   2,   1,  -2,  -1,   1,   5,  -5,  -1, -16,   2,   1,  16,  -2,   4,
     -4,  -1,   1,   3,  -3,  -1,  17, -17,   1,   1,  -8,   8,  -1,  -1,   2,  18,
    -18,  -2,   3,   1,  -3,  19, -19,  -1,   3,  -3,   6,   1,  -6,  20,   2,   9,
     -9,  -1, -20,  -2,   4,  -4,   1,  -5,  21,   5, -21,  -1,   1, -22,  -1,   2,
     22,  -2,  10,   1, -10,  23,   1,   4, -23,   1,   2,  -1,  -2,  -4,  -7,   1,
      7, -24,  -1,  24,  -1,  -1,   1,   3,  -1, -25,  25,   4,  -3,  -4,  11, -11,
     26, -26,   6,   1,   1,  -6,  -5,  -3,   3,   5,  -1, -27,  27,   1,   4,  -4,
     -1,  -8,  -1,  28,   2,   8, -12, -28,  -2,  -2,   2,  12,  -1,  29,   1, -29,
     30, -30,   5,  -5,   1, -31,  -1,   3,  31,  -1,   1,   1,  -3, -13,   1,  -7,
     -1, -32,  13,   7,  32,  33, -33,  -1,  -9, -34,   9,  34,  -6,   5,   6,  -5}
},{
    /* MapTab6 */
    2,  /* eob_sym */
    13, /* esc_sym */
    /* run table */
    {1,  1,  0,  1,  1,  2,  2,  1,  1,  3,  3,  1,  1,  0,  2,  2,
     4,  1,  4,  1,  1,  1,  5,  5,  1,  1,  6,  6,  2,  2,  1,  1,
     3,  3,  7,  7,  1,  1,  8,  8,  1,  1,  2,  2,  1,  9,  1,  9,
     4,  4, 10,  1,  1, 10,  1,  1, 11, 11,  3,  3,  1,  2,  1,  2,
     1,  1, 12, 12,  5,  5,  1,  1, 13,  1,  1, 13,  2,  2,  1,  1,
     6,  6,  1,  1,  4, 14,  4, 14,  3,  1,  3,  1,  1,  1, 15,  7,
    15,  2,  2,  7,  1,  1,  1,  8,  1,  8, 16, 16,  1,  1,  1,  1,
     2,  1,  1,  2,  1,  1,  3,  5,  5,  3,  4,  1,  1,  4,  1,  1,
    17, 17,  9,  1,  1,  9,  2,  2,  1,  1, 10, 10,  1,  6,  1,  1,
     6, 18,  1,  1, 18,  1,  1,  1,  2,  2,  3,  1,  3,  1,  1,  1,
     4,  1, 19,  1, 19,  7,  1,  1, 20,  1,  4, 20,  1,  7, 11,  2,
     1, 11, 21,  2,  8,  5,  1,  8,  1,  5, 21,  1,  1,  1, 22,  1,
     1, 22,  1,  1,  3,  3,  1, 23,  2, 12, 24,  1,  1,  2,  1,  1,
    12, 23,  1,  1, 24,  1,  1,  1,  4,  1,  1,  1,  2,  1,  6,  6,
     4,  2,  1,  1,  1,  1,  1,  1,  1, 14, 13,  3,  1, 25,  9, 25,
    14,  1,  9,  3, 13,  1,  1,  1,  1,  1, 10,  1,  1,  2, 10,  2},

    /* value table */
    {-20,  -1,   0,   2,  -2,   1,  -1,   3,  -3,   1,  -1,   4,  -4,   0,   2,  -2,
       1,   5,  -1,  -5,   6,  -6,   1,  -1,   7,  -7,   1,  -1,   3,  -3,   8,  -8,
       2,  -2,   1,  -1,   9,  -9,   1,  -1,  10, -10,   4,  -4,  11,   1, -11,  -1,
       2,  -2,   1,  12, -12,  -1,  13, -13,   1,  -1,   3,  -3,  14,   5, -14,  -5,
     -15,  15,  -1,   1,   2,  -2,  16, -16,   1,  17, -17,  -1,   6,  -6,  18, -18,
       2,  -2, -19,  19,  -3,   1,   3,  -1,   4,  20,  -4,   1, -21,  21,   1,   2,
      -1,  -7,   7,  -2,  22, -22,  23,   2, -23,  -2,   1,  -1, -24,  24, -25,  25,
      -8, -26,  26,   8, -27,  27,   5,   3,  -3,  -5,  -4,  28, -28,   4,  29, -29,
       1,  -1,  -2, -30,  30,   2,   9,  -9, -31,  31,   2,  -2, -32,   3,  32, -33,
      -3,   1,  33, -34,  -1,  34, -35,  35, -10,  10,  -6,  36,   6, -36,  37, -37,
      -5,  38,   1, -38,  -1,   3,  39, -39,  -1,  40,   5,   1, -40,  -3,   2, -11,
     -41,  -2,   1,  11,  -3,  -4,  41,   3,  42,   4,  -1, -43, -42,  43,   1, -44,
      45,  -1,  44, -45,  -7,   7, -46,   1, -12,   2,   1, -47,  46,  12,  47,  48,
      -2,  -1, -48,  49,  -1, -50, -49,  50,  -6, -51,  51,  52, -13,  53,  -4,   4,
       6,  13, -53, -52, -54,  55,  54, -55, -56,  -2,   2,  -8,  56,   1,  -3,  -1,
       2,  58,   3,   8,  -2,  57, -58, -60, -59, -57,  -3,  60,  59, -14,   3,  14}
},{
    /* MapTab7 */
    2,  /* eob_sym */
    38, /* esc_sym */
    /* run table */
    {1,  1,  0,  2,  2,  1,  1,  3,  3,  4,  4,  5,  5,  1,  1,  6,
     6,  2,  2,  7,  7,  8,  8,  1,  1,  3,  3,  9,  9, 10, 10,  1,
     1,  2,  2,  4,  4, 11,  0, 11, 12, 12, 13, 13,  1,  1,  5,  5,
    14, 14, 15, 16, 15, 16,  3,  3,  1,  6,  1,  6,  2,  2,  7,  7,
     8,  8, 17, 17,  1,  1,  4,  4, 18, 18,  2,  2,  1, 19,  1, 20,
    19, 20, 21, 21,  3,  3, 22, 22,  5,  5, 24,  1,  1, 23,  9, 23,
    24,  9,  2,  2, 10,  1,  1, 10,  6,  6, 25,  4,  4, 25,  7,  7,
    26,  8,  1,  8,  3,  1, 26,  3, 11, 11, 27, 27,  2, 28,  1,  2,
    28,  1, 12, 12,  5,  5, 29, 13, 13, 29, 32,  1,  1, 33, 31, 30,
    32,  4, 30, 33,  4, 31,  3, 14,  1,  1,  3, 34, 34,  2,  2, 14,
     6,  6, 35, 36, 35, 36,  1, 15,  1, 16, 16, 15,  7,  9,  7,  9,
    37,  8,  8, 37,  1,  1, 39,  2, 38, 39,  2, 40,  5, 38, 40,  5,
     3,  3,  4,  4, 10, 10,  1,  1,  1,  1, 41,  2, 41,  2,  6,  6,
     1,  1, 11, 42, 11, 43,  3, 42,  3, 17,  4, 43,  1, 17,  7,  1,
     8, 44,  4,  7, 44,  5,  8,  2,  5,  1,  2, 48, 45,  1, 12, 45,
    12, 48, 13, 13,  1,  9,  9, 46,  1, 46, 47, 47, 49, 18, 18, 49},

    /* value table */
    { 1,  -1,   0,   1,  -1,   2,  -2,   1,  -1,   1,  -1,   1,  -1,   3,  -3,   1,
     -1,  -2,   2,   1,  -1,   1,  -1,   4,  -4,  -2,   2,   1,  -1,   1,  -1,   5,
     -5,  -3,   3,   2,  -2,   1,   0,  -1,   1,  -1,   1,  -1,   6,  -6,   2,  -2,
      1,  -1,   1,   1,  -1,  -1,  -3,   3,   7,   2,  -7,  -2,  -4,   4,   2,  -2,
      2,  -2,   1,  -1,   8,  -8,   3,  -3,   1,  -1,  -5,   5,   9,   1,  -9,   1,
     -1,  -1,   1,  -1,  -4,   4,   1,  -1,   3,  -3,   1, -10,  10,   1,   2,  -1,
     -1,  -2,   6,  -6,   2,  11, -11,  -2,   3,  -3,   1,  -4,   4,  -1,   3,  -3,
      1,   3,  12,  -3,  -5, -12,  -1,   5,   2,  -2,   1,  -1,  -7,   1,  13,   7,
     -1, -13,   2,  -2,   4,  -4,   1,   2,  -2,  -1,   1,  14, -14,   1,   1,   1,
     -1,  -5,  -1,  -1,   5,  -1,  -6,   2, -15,  15,   6,   1,  -1,  -8,   8,  -2,
     -4,   4,   1,   1,  -1,  -1,  16,   2, -16,  -2,   2,  -2,   4,   3,  -4,  -3,
     -1,  -4,   4,   1, -17,  17,  -1,  -9,   1,   1,   9,   1,  -5,  -1,  -1,   5,
     -7,   7,   6,  -6,   3,  -3,  18, -18,  19, -19,   1, -10,  -1,  10,  -5,   5,
     20, -20,  -3,   1,   3,   1,   8,  -1,  -8,   2,   7,  -1, -21,  -2,   5,  21,
      5,  -1,  -7,  -5,   1,  -6,  -5, -11,   6,  22,  11,   1,   1, -22,  -3,  -1,
      3,  -1,   3,  -3, -23,   4,  -4,   1,  23,  -1,   1,  -1,   1,  -2,   2,  -1}
},{
    /* MapTab8 */
    4,  /* eob_sym */
    11, /* esc_sym */
    /* run table */
    {1,  1,  1,  1,  0,  2,  2,  1,  1,  3,  3,  0,  1,  1,  2,  2,
     4,  4,  1,  1,  5,  5,  1,  1,  2,  2,  3,  3,  6,  6,  1,  1,
     7,  7,  8,  1,  8,  2,  2,  1,  4,  4,  1,  3,  1,  3,  9,  9,
     2,  2,  1,  5,  1,  5, 10, 10,  1,  1, 11, 11,  3,  6,  3,  4,
     4,  6,  2,  2,  1, 12,  1, 12,  7, 13,  7, 13,  1,  1,  8,  8,
     2,  2, 14, 14, 16, 15, 16,  5,  5,  1,  3, 15,  1,  3,  4,  4,
     1,  1, 17, 17,  2,  2,  6,  6,  1, 18,  1, 18, 22, 21, 22, 21,
    25, 24, 25, 19,  9, 20,  9, 23, 19, 24, 20,  3, 23,  7,  3,  1,
     1,  7, 28, 26, 29,  5, 28, 26,  5,  8, 29,  4,  8, 27,  2,  2,
     4, 27,  1,  1, 10, 36, 10, 33, 33, 36, 30,  1, 32, 32,  1, 30,
     6, 31, 31, 35,  3,  6, 11, 11,  3,  2, 35,  2, 34,  1, 34,  1,
    37, 37, 12,  7, 12,  5, 41,  5,  4,  7,  1,  8, 13,  4,  1, 41,
    13, 38,  8, 38,  9,  1, 40, 40,  9,  1, 39,  2,  2, 49, 39, 42,
     3,  3, 14, 16, 49, 14, 16, 42, 43, 43,  6,  6, 15,  1,  1, 15,
    44, 44,  1,  1, 50, 48,  4,  5,  4,  7,  5,  2, 10, 10, 48,  7,
    50, 45,  2,  1, 45,  8,  8,  1, 46, 46,  3, 47, 47,  3,  1,  1},

    /* value table */
    { 1,  -1,   2,  -2,   0,   1,  -1,   3,  -3,   1,  -1,   0,   4,  -4,   2,  -2,
      1,  -1,   5,  -5,   1,  -1,   6,  -6,   3,  -3,   2,  -2,   1,  -1,   7,  -7,
      1,  -1,   1,   8,  -1,   4,  -4,  -8,   2,  -2,   9,   3,  -9,  -3,   1,  -1,
      5,  -5,  10,   2, -10,  -2,   1,  -1,  11, -11,   1,  -1,  -4,   2,   4,   3,
     -3,  -2,   6,  -6,  12,   1, -12,  -1,   2,   1,  -2,  -1,  13, -13,   2,  -2,
      7,  -7,   1,  -1,   1,   1,  -1,   3,  -3,  14,   5,  -1, -14,  -5,   4,  -4,
     15, -15,   1,  -1,   8,  -8,  -3,   3,  16,   1, -16,  -1,   1,   1,  -1,  -1,
      1,   1,  -1,   1,   2,   1,  -2,   1,  -1,  -1,  -1,   6,  -1,   3,  -6,  17,
    -17,  -3,   1,   1,   1,   4,  -1,  -1,  -4,   3,  -1,   5,  -3,  -1,  -9,   9,
     -5,   1,  18, -18,   2,   1,  -2,   1,  -1,  -1,   1,  19,  -1,   1, -19,  -1,
      4,   1,  -1,   1,   7,  -4,  -2,   2,  -7,  10,  -1, -10,   1,  20,  -1, -20,
      1,  -1,   2,   4,  -2,   5,   1,  -5,   6,  -4,  21,   4,   2,  -6, -21,  -1,
     -2,   1,  -4,  -1,  -3,  22,  -1,   1,   3, -22,  -1,  11, -11,   1,   1,   1,
      8,  -8,   2,   2,  -1,  -2,  -2,  -1,   1,  -1,  -5,   5,   2,  23, -23,  -2,
      1,  -1,  24, -24,  -1,  -1,   7,   6,  -7,   5,  -6,  12,  -3,   3,   1,  -5,
      1,   1, -12,  25,  -1,  -5,   5, -25,  -1,   1,   9,   1,  -1,  -9,  26, -26}
}
};

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