ffmpeg/libavcodec/ivi_common.c
Maxim Poliakovski 79d46cbea6 Quant changes only once per MB so move the corresponding scale factor assignment
out of the block decoding loop. Indeo4 doesn't use any scale table but the quant
level itself as scale. Therefore access scale table only if its pointer != NULL.

Originally committed as revision 23569 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-10 17:31:12 +00:00

1034 lines
46 KiB
C

/*
* 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
* 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
VLC ff_ivi_mb_vlc_tabs [8];
VLC ff_ivi_blk_vlc_tabs[8];
/**
* Reverses "nbits" bits of the value "val" and returns the result
* in the least significant bits.
*/
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;
}
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);
}
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;
}
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;
}
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);
}
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);
}
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;
}
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);
}
}
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;
}
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;
}
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 uint16_t *base_tab;
const uint8_t *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 (scale_tab)
quant = scale_tab[quant];
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] * quant) >> 9;
if (q > 1)
val = val * q + FFSIGN(val) * (((q ^ 1) - 1) >> 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;
}
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
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.
*/
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}}
};
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}}
};
/**
* Scan patterns shared between indeo4 and indeo5
*/
const uint8_t ff_ivi_vertical_scan_8x8[64] = {
0, 8, 16, 24, 32, 40, 48, 56,
1, 9, 17, 25, 33, 41, 49, 57,
2, 10, 18, 26, 34, 42, 50, 58,
3, 11, 19, 27, 35, 43, 51, 59,
4, 12, 20, 28, 36, 44, 52, 60,
5, 13, 21, 29, 37, 45, 53, 61,
6, 14, 22, 30, 38, 46, 54, 62,
7, 15, 23, 31, 39, 47, 55, 63
};
const uint8_t ff_ivi_horizontal_scan_8x8[64] = {
0, 1, 2, 3, 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, 59, 60, 61, 62, 63
};
const uint8_t ff_ivi_direct_scan_4x4[16] = {
0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
};
/**
* Run-value (RLE) tables.
*/
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}
}
};