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/***************************************************************************** |
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* |
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* XVID MPEG-4 VIDEO CODEC |
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* - MB coding - |
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* |
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* Copyright (C) 2002 Michael Militzer <isibaar@xvid.org> |
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* |
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* This program is free software ; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation ; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY ; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program ; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* $Id: mbcoding.c,v 1.44.2.17 2003-10-03 16:57:55 edgomez Exp $ |
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* |
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****************************************************************************/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "../portab.h" |
#include "../portab.h" |
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#include "../global.h" |
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#include "bitstream.h" |
#include "bitstream.h" |
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#include "zigzag.h" |
#include "zigzag.h" |
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#include "vlc_codes.h" |
#include "vlc_codes.h" |
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#include "mbcoding.h" |
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#include "../utils/mbfunctions.h" |
#include "../utils/mbfunctions.h" |
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#include <stdlib.h> /* malloc, free */ |
#define LEVELOFFSET 32 |
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#define ESCAPE 7167 |
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#define ABS(X) (((X)>0)?(X):-(X)) |
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#define CLIP(X,A) (X > A) ? (A) : (X) |
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static VLC *DCT3D[2]; |
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VLC *intra_table, *inter_table; |
static REVERSE_EVENT DCT3D[2][4096]; |
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static short clip_table[4096]; |
static VLC coeff_VLC[2][2][64][64]; |
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void create_vlc_tables(void) |
/* not really MB related, but VLCs are only available here */ |
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void bs_put_spritetrajectory(Bitstream * bs, const int val) |
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{ |
{ |
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int32_t k, l, i, intra, last; |
const int code = sprite_trajectory_code[val+16384].code; |
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VLC *vlc[2]; |
const int len = sprite_trajectory_code[val+16384].len; |
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VLC **coeff_ptr; |
const int code2 = sprite_trajectory_len[len].code; |
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VLC *vlc1, *vlc2; |
const int len2 = sprite_trajectory_len[len].len; |
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VLC *DCT3Dintra; |
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VLC *DCT3Dinter; |
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DCT3Dintra = (VLC *) malloc(sizeof(VLC) * 4096); |
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DCT3Dinter = (VLC *) malloc(sizeof(VLC) * 4096); |
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vlc1 = DCT3Dintra; |
#if 0 |
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vlc2 = DCT3Dinter; |
printf("GMC=%d Code/Len = %d / %d ",val, code,len); |
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printf("Code2 / Len2 = %d / %d \n",code2,len2); |
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#endif |
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vlc[0] = intra_table = (VLC *) malloc(128 * 511 * sizeof(VLC)); |
BitstreamPutBits(bs, code2, len2); |
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vlc[1] = inter_table = (VLC *) malloc(128 * 511 * sizeof(VLC)); |
if (len) BitstreamPutBits(bs, code, len); |
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// initialize the clipping table |
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for(i = -2048; i < 2048; i++) { |
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clip_table[i + 2048] = i; |
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if(i < -255) |
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clip_table[i + 2048] = -255; |
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if(i > 255) |
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clip_table[i + 2048] = 255; |
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} |
} |
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// generate intra/inter vlc lookup table |
int bs_get_spritetrajectory(Bitstream * bs) |
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for(i = 0; i < 4; i++) { |
{ |
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intra = i % 2; |
int i; |
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last = i >> 1; |
for (i = 0; i < 12; i++) |
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{ |
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coeff_ptr = coeff_vlc[last + (intra << 1)]; |
if (BitstreamShowBits(bs, sprite_trajectory_len[i].len) == sprite_trajectory_len[i].code) |
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{ |
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for(k = -255; k < 256; k++) { // level |
BitstreamSkip(bs, sprite_trajectory_len[i].len); |
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char *max_level_ptr = max_level[last + (intra << 1)]; |
return i; |
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char *max_run_ptr = max_run[last + (intra << 1)]; |
} |
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} |
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return -1; |
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} |
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for(l = 0; l < 64; l++) { // run |
void |
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int32_t level = k, run = l; |
init_vlc_tables(void) |
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{ |
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uint32_t i, j, k, intra, last, run, run_esc, level, level_esc, escape, escape_len, offset; |
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int32_t l; |
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if(abs(level) <= max_level_ptr[run] && run <= max_run_ptr[abs(level)]) { |
for (intra = 0; intra < 2; intra++) |
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for (i = 0; i < 4096; i++) |
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DCT3D[intra][i].event.level = 0; |
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if(level > 0) { |
for (intra = 0; intra < 2; intra++) { |
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vlc[intra]->code = (coeff_ptr[run][level - 1].code) << 1; |
for (last = 0; last < 2; last++) { |
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vlc[intra]->len = coeff_ptr[run][level - 1].len + 1; |
for (run = 0; run < 63 + last; run++) { |
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for (level = 0; level < (uint32_t)(32 << intra); level++) { |
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offset = !intra * LEVELOFFSET; |
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coeff_VLC[intra][last][level + offset][run].len = 128; |
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} |
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} |
} |
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else if(level < 0) { |
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vlc[intra]->code = ((coeff_ptr[run][-level - 1].code) << 1) + 1; |
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vlc[intra]->len = coeff_ptr[run][-level - 1].len + 1; |
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} |
} |
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else { |
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vlc[intra]->code = 0; |
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vlc[intra]->len = 0; |
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} |
} |
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} else { |
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if(level > 0) |
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level -= max_level_ptr[run]; |
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else |
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level += max_level_ptr[run]; |
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if(abs(level) <= max_level_ptr[run] && |
for (intra = 0; intra < 2; intra++) { |
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run <= max_run_ptr[abs(level)]) { |
for (i = 0; i < 102; i++) { |
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offset = !intra * LEVELOFFSET; |
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if(level > 0) { |
for (j = 0; j < (uint32_t)(1 << (12 - coeff_tab[intra][i].vlc.len)); j++) { |
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vlc[intra]->code = (0x06 << (coeff_ptr[run][level - 1].len + 1)) | |
DCT3D[intra][(coeff_tab[intra][i].vlc.code << (12 - coeff_tab[intra][i].vlc.len)) | j].len = coeff_tab[intra][i].vlc.len; |
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(coeff_ptr[run][level - 1].code << 1); |
DCT3D[intra][(coeff_tab[intra][i].vlc.code << (12 - coeff_tab[intra][i].vlc.len)) | j].event = coeff_tab[intra][i].event; |
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vlc[intra]->len = (coeff_ptr[run][level - 1].len + 1) + 8; |
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} |
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else if(level < 0) { |
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vlc[intra]->code = (0x06 << (coeff_ptr[run][-level - 1].len + 1)) | |
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((coeff_ptr[run][-level - 1].code << 1) + 1); |
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vlc[intra]->len = (coeff_ptr[run][-level - 1].len + 1) + 8; |
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} |
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else { |
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vlc[intra]->code = 0x06; |
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vlc[intra]->len = 8; |
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} |
} |
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} else { |
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if(level > 0) |
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level += max_level_ptr[run]; |
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else |
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level -= max_level_ptr[run]; |
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run -= max_run_ptr[abs(level)] + 1; |
coeff_VLC[intra][coeff_tab[intra][i].event.last][coeff_tab[intra][i].event.level + offset][coeff_tab[intra][i].event.run].code |
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= coeff_tab[intra][i].vlc.code << 1; |
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coeff_VLC[intra][coeff_tab[intra][i].event.last][coeff_tab[intra][i].event.level + offset][coeff_tab[intra][i].event.run].len |
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= coeff_tab[intra][i].vlc.len + 1; |
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if(abs(level) <= max_level_ptr[run] && |
if (!intra) { |
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run <= max_run_ptr[abs(level)]) { |
coeff_VLC[intra][coeff_tab[intra][i].event.last][offset - coeff_tab[intra][i].event.level][coeff_tab[intra][i].event.run].code |
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= (coeff_tab[intra][i].vlc.code << 1) | 1; |
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if(level > 0) { |
coeff_VLC[intra][coeff_tab[intra][i].event.last][offset - coeff_tab[intra][i].event.level][coeff_tab[intra][i].event.run].len |
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vlc[intra]->code = (0x0e << (coeff_ptr[run][level - 1].len + 1)) | |
= coeff_tab[intra][i].vlc.len + 1; |
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(coeff_ptr[run][level - 1].code << 1); |
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vlc[intra]->len = (coeff_ptr[run][level - 1].len + 1) + 9; |
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} |
} |
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else if(level < 0) { |
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vlc[intra]->code = (0x0e << (coeff_ptr[run][-level - 1].len + 1)) | |
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((coeff_ptr[run][-level - 1].code << 1) + 1); |
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vlc[intra]->len = (coeff_ptr[run][-level - 1].len + 1) + 9; |
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} |
} |
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else { |
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vlc[intra]->code = 0x0e; |
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vlc[intra]->len = 9; |
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} |
} |
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} else { |
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if(level != 0) |
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run += max_run_ptr[abs(level)] + 1; |
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else |
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run++; |
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vlc[intra]->code = (uint32_t) ((0x1e + last) << 20) | |
for (intra = 0; intra < 2; intra++) { |
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(l << 14) | (1 << 13) | ((k & 0xfff) << 1) | 1; |
for (last = 0; last < 2; last++) { |
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for (run = 0; run < 63 + last; run++) { |
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for (level = 1; level < (uint32_t)(32 << intra); level++) { |
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vlc[intra]->len = 30; |
if (level <= max_level[intra][last][run] && run <= max_run[intra][last][level]) |
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} |
continue; |
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} |
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} |
offset = !intra * LEVELOFFSET; |
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vlc[intra]++; |
level_esc = level - max_level[intra][last][run]; |
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} |
run_esc = run - 1 - max_run[intra][last][level]; |
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if (level_esc <= max_level[intra][last][run] && run <= max_run[intra][last][level_esc]) { |
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escape = ESCAPE1; |
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escape_len = 7 + 1; |
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run_esc = run; |
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} else { |
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if (run_esc <= max_run[intra][last][level] && level <= max_level[intra][last][run_esc]) { |
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escape = ESCAPE2; |
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escape_len = 7 + 2; |
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level_esc = level; |
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} else { |
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if (!intra) { |
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coeff_VLC[intra][last][level + offset][run].code |
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= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((level & 0xfff) << 1) | 1; |
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coeff_VLC[intra][last][level + offset][run].len = 30; |
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coeff_VLC[intra][last][offset - level][run].code |
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= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-(int32_t)level & 0xfff) << 1) | 1; |
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coeff_VLC[intra][last][offset - level][run].len = 30; |
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} |
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continue; |
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} |
} |
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} |
} |
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intra_table += 64*255; // center vlc tables |
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inter_table += 64*255; // center vlc tables |
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for(i = 0; i < 4096; i++) { |
coeff_VLC[intra][last][level + offset][run].code |
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if(i >= 512) { |
= (escape << coeff_VLC[intra][last][level_esc + offset][run_esc].len) |
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*vlc1 = DCT3Dtab3[(i >> 5) - 16]; |
| coeff_VLC[intra][last][level_esc + offset][run_esc].code; |
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*vlc2 = DCT3Dtab0[(i >> 5) - 16]; |
coeff_VLC[intra][last][level + offset][run].len |
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= coeff_VLC[intra][last][level_esc + offset][run_esc].len + escape_len; |
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if (!intra) { |
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coeff_VLC[intra][last][offset - level][run].code |
| 161 |
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= (escape << coeff_VLC[intra][last][level_esc + offset][run_esc].len) |
| 162 |
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| coeff_VLC[intra][last][level_esc + offset][run_esc].code | 1; |
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coeff_VLC[intra][last][offset - level][run].len |
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= coeff_VLC[intra][last][level_esc + offset][run_esc].len + escape_len; |
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} |
} |
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else if(i >= 128) { |
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*vlc1 = DCT3Dtab4[(i >> 2) - 32]; |
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*vlc2 = DCT3Dtab1[(i >> 2) - 32]; |
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} |
} |
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else if(i >= 8) { |
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*vlc1 = DCT3Dtab5[i - 8]; |
if (!intra) { |
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*vlc2 = DCT3Dtab2[i - 8]; |
coeff_VLC[intra][last][0][run].code |
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= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-32 & 0xfff) << 1) | 1; |
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coeff_VLC[intra][last][0][run].len = 30; |
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} |
} |
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else { |
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*vlc1 = ERRtab[i]; |
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*vlc2 = ERRtab[i]; |
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} |
} |
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vlc1++; |
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vlc2++; |
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} |
} |
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DCT3D[0] = DCT3Dinter; |
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DCT3D[1] = DCT3Dintra; |
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} |
} |
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void destroy_vlc_tables(void) { |
/* init sprite_trajectory tables |
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* even if GMC is not specified (it might be used later...) */ |
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if(intra_table != NULL && inter_table != NULL) { |
sprite_trajectory_code[0+16384].code = 0; |
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intra_table -= 64*255; // uncenter vlc tables |
sprite_trajectory_code[0+16384].len = 0; |
| 182 |
inter_table -= 64*255; // uncenter vlc tables |
for (k=0;k<14;k++) { |
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int limit = (1<<k); |
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free(intra_table); |
for (l=-(2*limit-1); l <= -limit; l++) { |
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free(inter_table); |
sprite_trajectory_code[l+16384].code = (2*limit-1)+l; |
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sprite_trajectory_code[l+16384].len = k+1; |
| 188 |
} |
} |
| 189 |
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| 190 |
if(DCT3D[0] != NULL && DCT3D[1] != NULL) { |
for (l=limit; l<= 2*limit-1; l++) { |
| 191 |
free(DCT3D[0]); |
sprite_trajectory_code[l+16384].code = l; |
| 192 |
free(DCT3D[1]); |
sprite_trajectory_code[l+16384].len = k+1; |
| 193 |
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} |
| 194 |
} |
} |
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| 195 |
} |
} |
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static __inline void CodeVector(Bitstream *bs, int16_t value, int16_t f_code, Statistics *pStat) |
static __inline void |
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CodeVector(Bitstream * bs, |
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int32_t value, |
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int32_t f_code, |
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Statistics * pStat) |
| 202 |
{ |
{ |
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|
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const int scale_factor = 1 << (f_code - 1); |
const int scale_factor = 1 << (f_code - 1); |
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const int cmp = scale_factor << 5; |
const int cmp = scale_factor << 5; |
| 206 |
|
|
| 213 |
pStat->iMvSum += value * value; |
pStat->iMvSum += value * value; |
| 214 |
pStat->iMvCount++; |
pStat->iMvCount++; |
| 215 |
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|
| 216 |
if (value == 0) |
if (value == 0) { |
| 217 |
BitstreamPutBits(bs, mb_motion_table[32].code, mb_motion_table[32].len); |
BitstreamPutBits(bs, mb_motion_table[32].code, |
| 218 |
else { |
mb_motion_table[32].len); |
| 219 |
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} else { |
| 220 |
uint16_t length, code, mv_res, sign; |
uint16_t length, code, mv_res, sign; |
| 221 |
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|
| 222 |
length = 16 << f_code; |
length = 16 << f_code; |
| 240 |
code = -code; |
code = -code; |
| 241 |
|
|
| 242 |
code += 32; |
code += 32; |
| 243 |
BitstreamPutBits(bs, mb_motion_table[code].code, mb_motion_table[code].len); |
BitstreamPutBits(bs, mb_motion_table[code].code, |
| 244 |
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mb_motion_table[code].len); |
| 245 |
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|
| 246 |
if(f_code) |
if(f_code) |
| 247 |
BitstreamPutBits(bs, mv_res, f_code); |
BitstreamPutBits(bs, mv_res, f_code); |
| 248 |
} |
} |
| 249 |
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|
| 250 |
} |
} |
| 251 |
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| 252 |
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static __inline void |
| 253 |
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CodeCoeffInter(Bitstream * bs, |
| 254 |
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const int16_t qcoeff[64], |
| 255 |
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const uint16_t * zigzag) |
| 256 |
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{ |
| 257 |
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uint32_t i, run, prev_run, code, len; |
| 258 |
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int32_t level, prev_level, level_shifted; |
| 259 |
|
|
| 260 |
static __inline void CodeCoeff(Bitstream *bs, int16_t qcoeff[64], VLC *table, |
i = 0; |
| 261 |
const uint16_t *zigzag, uint16_t intra) { |
run = 0; |
|
uint32_t j, last; |
|
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short v; |
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VLC *vlc; |
|
| 262 |
|
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| 263 |
j = intra; |
while (!(level = qcoeff[zigzag[i++]])) |
| 264 |
last = 1 + intra; |
run++; |
| 265 |
|
|
| 266 |
while((v = qcoeff[zigzag[j++]]) == 0); |
prev_level = level; |
| 267 |
|
prev_run = run; |
| 268 |
|
run = 0; |
| 269 |
|
|
| 270 |
do { |
while (i < 64) |
| 271 |
// count zeroes |
{ |
| 272 |
vlc = table + (clip_table[2048+v] << 6) + j - last; |
if ((level = qcoeff[zigzag[i++]]) != 0) |
| 273 |
last = j + 1; |
{ |
| 274 |
while(j < 64 && (v = qcoeff[zigzag[j++]]) == 0); |
level_shifted = prev_level + 32; |
| 275 |
|
if (!(level_shifted & -64)) |
| 276 |
// write code |
{ |
| 277 |
if(j != 64) { |
code = coeff_VLC[0][0][level_shifted][prev_run].code; |
| 278 |
BitstreamPutBits(bs, vlc->code, vlc->len); |
len = coeff_VLC[0][0][level_shifted][prev_run].len; |
| 279 |
} else { |
} |
| 280 |
vlc += 64*511; |
else |
| 281 |
BitstreamPutBits(bs, vlc->code, vlc->len); |
{ |
| 282 |
break; |
code = (ESCAPE3 << 21) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
| 283 |
|
len = 30; |
| 284 |
|
} |
| 285 |
|
BitstreamPutBits(bs, code, len); |
| 286 |
|
prev_level = level; |
| 287 |
|
prev_run = run; |
| 288 |
|
run = 0; |
| 289 |
|
} |
| 290 |
|
else |
| 291 |
|
run++; |
| 292 |
|
} |
| 293 |
|
|
| 294 |
|
level_shifted = prev_level + 32; |
| 295 |
|
if (!(level_shifted & -64)) |
| 296 |
|
{ |
| 297 |
|
code = coeff_VLC[0][1][level_shifted][prev_run].code; |
| 298 |
|
len = coeff_VLC[0][1][level_shifted][prev_run].len; |
| 299 |
|
} |
| 300 |
|
else |
| 301 |
|
{ |
| 302 |
|
code = (ESCAPE3 << 21) | (1 << 20) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
| 303 |
|
len = 30; |
| 304 |
|
} |
| 305 |
|
BitstreamPutBits(bs, code, len); |
| 306 |
|
} |
| 307 |
|
|
| 308 |
|
static __inline void |
| 309 |
|
CodeCoeffIntra(Bitstream * bs, |
| 310 |
|
const int16_t qcoeff[64], |
| 311 |
|
const uint16_t * zigzag) |
| 312 |
|
{ |
| 313 |
|
uint32_t i, abs_level, run, prev_run, code, len; |
| 314 |
|
int32_t level, prev_level; |
| 315 |
|
|
| 316 |
|
i = 1; |
| 317 |
|
run = 0; |
| 318 |
|
|
| 319 |
|
while (i<64 && !(level = qcoeff[zigzag[i++]])) |
| 320 |
|
run++; |
| 321 |
|
|
| 322 |
|
prev_level = level; |
| 323 |
|
prev_run = run; |
| 324 |
|
run = 0; |
| 325 |
|
|
| 326 |
|
while (i < 64) |
| 327 |
|
{ |
| 328 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) |
| 329 |
|
{ |
| 330 |
|
abs_level = abs(prev_level); |
| 331 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
| 332 |
|
code = coeff_VLC[1][0][abs_level][prev_run].code; |
| 333 |
|
len = coeff_VLC[1][0][abs_level][prev_run].len; |
| 334 |
|
if (len != 128) |
| 335 |
|
code |= (prev_level < 0); |
| 336 |
|
else |
| 337 |
|
{ |
| 338 |
|
code = (ESCAPE3 << 21) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
| 339 |
|
len = 30; |
| 340 |
|
} |
| 341 |
|
BitstreamPutBits(bs, code, len); |
| 342 |
|
prev_level = level; |
| 343 |
|
prev_run = run; |
| 344 |
|
run = 0; |
| 345 |
|
} |
| 346 |
|
else |
| 347 |
|
run++; |
| 348 |
|
} |
| 349 |
|
|
| 350 |
|
abs_level = abs(prev_level); |
| 351 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
| 352 |
|
code = coeff_VLC[1][1][abs_level][prev_run].code; |
| 353 |
|
len = coeff_VLC[1][1][abs_level][prev_run].len; |
| 354 |
|
if (len != 128) |
| 355 |
|
code |= (prev_level < 0); |
| 356 |
|
else |
| 357 |
|
{ |
| 358 |
|
code = (ESCAPE3 << 21) | (1 << 20) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
| 359 |
|
len = 30; |
| 360 |
|
} |
| 361 |
|
BitstreamPutBits(bs, code, len); |
| 362 |
|
} |
| 363 |
|
|
| 364 |
|
|
| 365 |
|
|
| 366 |
|
/* returns the number of bits required to encode qcoeff */ |
| 367 |
|
|
| 368 |
|
int |
| 369 |
|
CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag) |
| 370 |
|
{ |
| 371 |
|
int bits = 0; |
| 372 |
|
uint32_t i, abs_level, run, prev_run, len; |
| 373 |
|
int32_t level, prev_level; |
| 374 |
|
|
| 375 |
|
i = 1; |
| 376 |
|
run = 0; |
| 377 |
|
|
| 378 |
|
while (i<64 && !(level = qcoeff[zigzag[i++]])) |
| 379 |
|
run++; |
| 380 |
|
|
| 381 |
|
if (i >= 64) return 0; /* empty block */ |
| 382 |
|
|
| 383 |
|
prev_level = level; |
| 384 |
|
prev_run = run; |
| 385 |
|
run = 0; |
| 386 |
|
|
| 387 |
|
while (i < 64) |
| 388 |
|
{ |
| 389 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) |
| 390 |
|
{ |
| 391 |
|
abs_level = abs(prev_level); |
| 392 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
| 393 |
|
len = coeff_VLC[1][0][abs_level][prev_run].len; |
| 394 |
|
bits += len!=128 ? len : 30; |
| 395 |
|
|
| 396 |
|
prev_level = level; |
| 397 |
|
prev_run = run; |
| 398 |
|
run = 0; |
| 399 |
} |
} |
| 400 |
} while(1); |
else |
| 401 |
|
run++; |
| 402 |
} |
} |
| 403 |
|
|
| 404 |
|
abs_level = abs(prev_level); |
| 405 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
| 406 |
|
len = coeff_VLC[1][1][abs_level][prev_run].len; |
| 407 |
|
bits += len!=128 ? len : 30; |
| 408 |
|
|
| 409 |
static void CodeBlockIntra(const MBParam * pParam, const MACROBLOCK *pMB, |
return bits; |
| 410 |
int16_t qcoeff[][64], Bitstream * bs, Statistics * pStat) |
} |
| 411 |
|
|
| 412 |
|
int |
| 413 |
|
CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag) |
| 414 |
{ |
{ |
| 415 |
|
uint32_t i, run, prev_run, len; |
| 416 |
|
int32_t level, prev_level, level_shifted; |
| 417 |
|
int bits = 0; |
| 418 |
|
|
| 419 |
|
i = 0; |
| 420 |
|
run = 0; |
| 421 |
|
|
| 422 |
|
while (!(level = qcoeff[zigzag[i++]])) |
| 423 |
|
run++; |
| 424 |
|
|
| 425 |
|
prev_level = level; |
| 426 |
|
prev_run = run; |
| 427 |
|
run = 0; |
| 428 |
|
|
| 429 |
|
while (i < 64) { |
| 430 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) { |
| 431 |
|
level_shifted = prev_level + 32; |
| 432 |
|
if (!(level_shifted & -64)) |
| 433 |
|
len = coeff_VLC[0][0][level_shifted][prev_run].len; |
| 434 |
|
else |
| 435 |
|
len = 30; |
| 436 |
|
|
| 437 |
|
bits += len; |
| 438 |
|
prev_level = level; |
| 439 |
|
prev_run = run; |
| 440 |
|
run = 0; |
| 441 |
|
} |
| 442 |
|
else |
| 443 |
|
run++; |
| 444 |
|
} |
| 445 |
|
|
| 446 |
|
level_shifted = prev_level + 32; |
| 447 |
|
if (!(level_shifted & -64)) |
| 448 |
|
len = coeff_VLC[0][1][level_shifted][prev_run].len; |
| 449 |
|
else |
| 450 |
|
len = 30; |
| 451 |
|
bits += len; |
| 452 |
|
|
| 453 |
|
return bits; |
| 454 |
|
} |
| 455 |
|
|
| 456 |
|
static int iDQtab[5] = { |
| 457 |
|
1, 0, -1 /* no change */, 2, 3 |
| 458 |
|
}; |
| 459 |
|
#define DQ_VALUE2INDEX(value) iDQtab[(value)+2] |
| 460 |
|
|
| 461 |
|
|
| 462 |
|
static __inline void |
| 463 |
|
CodeBlockIntra(const FRAMEINFO * const frame, |
| 464 |
|
const MACROBLOCK * pMB, |
| 465 |
|
int16_t qcoeff[6 * 64], |
| 466 |
|
Bitstream * bs, |
| 467 |
|
Statistics * pStat) |
| 468 |
|
{ |
| 469 |
|
|
| 470 |
uint32_t i, mcbpc, cbpy, bits; |
uint32_t i, mcbpc, cbpy, bits; |
| 471 |
|
|
|
mcbpc = pMB->cbp & 3; |
|
| 472 |
cbpy = pMB->cbp >> 2; |
cbpy = pMB->cbp >> 2; |
| 473 |
|
|
| 474 |
// write mcbpc |
/* write mcbpc */ |
| 475 |
if(pParam->coding_type == I_VOP) |
if (frame->coding_type == I_VOP) { |
| 476 |
BitstreamPutBits(bs, mcbpc_I[mcbpc].code, mcbpc_I[mcbpc].len); |
mcbpc = ((pMB->mode >> 1) & 3) | ((pMB->cbp & 3) << 2); |
| 477 |
else |
BitstreamPutBits(bs, mcbpc_intra_tab[mcbpc].code, |
| 478 |
BitstreamPutBits(bs, mcbpc_P_intra[mcbpc].code, mcbpc_P_intra[mcbpc].len); |
mcbpc_intra_tab[mcbpc].len); |
| 479 |
|
} else { |
| 480 |
|
mcbpc = (pMB->mode & 7) | ((pMB->cbp & 3) << 3); |
| 481 |
|
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, |
| 482 |
|
mcbpc_inter_tab[mcbpc].len); |
| 483 |
|
} |
| 484 |
|
|
| 485 |
// ac prediction flag |
/* ac prediction flag */ |
| 486 |
if(pMB->acpred_directions[0]) |
if(pMB->acpred_directions[0]) |
| 487 |
BitstreamPutBits(bs, 1, 1); |
BitstreamPutBits(bs, 1, 1); |
| 488 |
else |
else |
| 489 |
BitstreamPutBits(bs, 0, 1); |
BitstreamPutBits(bs, 0, 1); |
| 490 |
|
|
| 491 |
// write cbpy |
/* write cbpy */ |
| 492 |
BitstreamPutBits (bs, cbpy_tab[cbpy].code, cbpy_tab[cbpy].len); |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
| 493 |
|
|
| 494 |
// write dquant |
/* write dquant */ |
| 495 |
if(pMB->mode == MODE_INTRA_Q) |
if(pMB->mode == MODE_INTRA_Q) |
| 496 |
BitstreamPutBits(bs, pMB->dquant, 2); |
BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2); |
| 497 |
|
|
| 498 |
// code block coeffs |
/* write interlacing */ |
| 499 |
for(i = 0; i < 6; i++) |
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
| 500 |
{ |
BitstreamPutBit(bs, pMB->field_dct); |
| 501 |
|
} |
| 502 |
|
/* code block coeffs */ |
| 503 |
|
for (i = 0; i < 6; i++) { |
| 504 |
if(i < 4) |
if(i < 4) |
| 505 |
BitstreamPutBits(bs, dcy_tab[qcoeff[i][0] + 255].code, |
BitstreamPutBits(bs, dcy_tab[qcoeff[i * 64 + 0] + 255].code, |
| 506 |
dcy_tab[qcoeff[i][0] + 255].len); |
dcy_tab[qcoeff[i * 64 + 0] + 255].len); |
| 507 |
else |
else |
| 508 |
BitstreamPutBits(bs, dcc_tab[qcoeff[i][0] + 255].code, |
BitstreamPutBits(bs, dcc_tab[qcoeff[i * 64 + 0] + 255].code, |
| 509 |
dcc_tab[qcoeff[i][0] + 255].len); |
dcc_tab[qcoeff[i * 64 + 0] + 255].len); |
| 510 |
|
|
| 511 |
|
if (pMB->cbp & (1 << (5 - i))) { |
| 512 |
|
const uint16_t *scan_table = |
| 513 |
|
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
| 514 |
|
scan_tables[2] : scan_tables[pMB->acpred_directions[i]]; |
| 515 |
|
|
|
if(pMB->cbp & (1 << (5 - i))) |
|
|
{ |
|
| 516 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
| 517 |
|
|
| 518 |
CodeCoeff(bs, qcoeff[i], intra_table, scan_tables[pMB->acpred_directions[i]], 1); |
CodeCoeffIntra(bs, &qcoeff[i * 64], scan_table); |
| 519 |
|
|
| 520 |
bits = BitstreamPos(bs) - bits; |
bits = BitstreamPos(bs) - bits; |
| 521 |
pStat->iTextBits += bits; |
pStat->iTextBits += bits; |
| 522 |
} |
} |
| 523 |
} |
} |
| 524 |
|
|
| 525 |
} |
} |
| 526 |
|
|
| 527 |
|
|
| 528 |
static void CodeBlockInter(const MBParam * pParam, const MACROBLOCK *pMB, |
static void |
| 529 |
int16_t qcoeff[][64], Bitstream * bs, Statistics * pStat) |
CodeBlockInter(const FRAMEINFO * const frame, |
| 530 |
|
const MACROBLOCK * pMB, |
| 531 |
|
int16_t qcoeff[6 * 64], |
| 532 |
|
Bitstream * bs, |
| 533 |
|
Statistics * pStat) |
| 534 |
{ |
{ |
| 535 |
|
|
| 536 |
int32_t i; |
int32_t i; |
| 537 |
uint32_t bits, mcbpc, cbpy; |
uint32_t bits, mcbpc, cbpy; |
| 538 |
|
|
| 539 |
mcbpc = pMB->cbp & 3; |
mcbpc = (pMB->mode & 7) | ((pMB->cbp & 3) << 3); |
| 540 |
cbpy = 15 - (pMB->cbp >> 2); |
cbpy = 15 - (pMB->cbp >> 2); |
| 541 |
|
|
| 542 |
// write mcbpc |
/* write mcbpc */ |
| 543 |
if(pMB->mode == MODE_INTER4V) |
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, |
| 544 |
BitstreamPutBits(bs, mcbpc_P_inter4v[mcbpc].code, mcbpc_P_inter4v[mcbpc].len); |
mcbpc_inter_tab[mcbpc].len); |
|
else |
|
|
BitstreamPutBits(bs, mcbpc_P_inter[mcbpc].code, mcbpc_P_inter[mcbpc].len); |
|
| 545 |
|
|
| 546 |
// write cbpy |
if ( (frame->coding_type == S_VOP) && (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) ) |
| 547 |
BitstreamPutBits(bs, cbpy_tab[cbpy].code, cbpy_tab[cbpy].len); |
BitstreamPutBit(bs, pMB->mcsel); /* mcsel: '0'=local motion, '1'=GMC */ |
| 548 |
|
|
| 549 |
// write dquant |
/* write cbpy */ |
| 550 |
|
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
| 551 |
|
|
| 552 |
|
/* write dquant */ |
| 553 |
if(pMB->mode == MODE_INTER_Q) |
if(pMB->mode == MODE_INTER_Q) |
| 554 |
BitstreamPutBits(bs, pMB->dquant, 2); |
BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2); |
| 555 |
|
|
| 556 |
// code motion vector(s) |
/* interlacing */ |
| 557 |
for(i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) |
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
| 558 |
{ |
if (pMB->cbp) { |
| 559 |
CodeVector(bs, pMB->pmvs[i].x, pParam->fixed_code, pStat); |
BitstreamPutBit(bs, pMB->field_dct); |
| 560 |
CodeVector(bs, pMB->pmvs[i].y, pParam->fixed_code, pStat); |
DPRINTF(XVID_DEBUG_MB,"codep: field_dct: %i\n", pMB->field_dct); |
| 561 |
|
} |
| 562 |
|
|
| 563 |
|
/* if inter block, write field ME flag */ |
| 564 |
|
if ((pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) && (pMB->mcsel == 0)) { |
| 565 |
|
BitstreamPutBit(bs, 0 /*pMB->field_pred*/); /* not implemented yet */ |
| 566 |
|
DPRINTF(XVID_DEBUG_MB,"codep: field_pred: %i\n", pMB->field_pred); |
| 567 |
|
|
| 568 |
|
/* write field prediction references */ |
| 569 |
|
#if 0 /* Remove the #if once field_pred is supported */ |
| 570 |
|
if (pMB->field_pred) { |
| 571 |
|
BitstreamPutBit(bs, pMB->field_for_top); |
| 572 |
|
BitstreamPutBit(bs, pMB->field_for_bot); |
| 573 |
|
} |
| 574 |
|
#endif |
| 575 |
|
} |
| 576 |
|
} |
| 577 |
|
/* code motion vector(s) if motion is local */ |
| 578 |
|
if (!pMB->mcsel) |
| 579 |
|
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
| 580 |
|
CodeVector(bs, pMB->pmvs[i].x, frame->fcode, pStat); |
| 581 |
|
CodeVector(bs, pMB->pmvs[i].y, frame->fcode, pStat); |
| 582 |
} |
} |
| 583 |
|
|
| 584 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
| 585 |
|
|
| 586 |
// code block coeffs |
/* code block coeffs */ |
| 587 |
for(i = 0; i < 6; i++) |
for(i = 0; i < 6; i++) |
| 588 |
if(pMB->cbp & (1 << (5 - i))) |
if (pMB->cbp & (1 << (5 - i))) { |
| 589 |
CodeCoeff(bs, qcoeff[i], inter_table, scan_tables[0], 0); |
const uint16_t *scan_table = |
| 590 |
|
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
| 591 |
|
scan_tables[2] : scan_tables[0]; |
| 592 |
|
|
| 593 |
|
CodeCoeffInter(bs, &qcoeff[i * 64], scan_table); |
| 594 |
|
} |
| 595 |
|
|
| 596 |
bits = BitstreamPos(bs) - bits; |
bits = BitstreamPos(bs) - bits; |
| 597 |
pStat->iTextBits += bits; |
pStat->iTextBits += bits; |
| 598 |
} |
} |
| 599 |
|
|
| 600 |
|
|
| 601 |
void MBCoding(const MBParam * pParam, MACROBLOCK *pMB, |
void |
| 602 |
int16_t qcoeff[][64], |
MBCoding(const FRAMEINFO * const frame, |
| 603 |
Bitstream * bs, Statistics * pStat) |
MACROBLOCK * pMB, |
| 604 |
|
int16_t qcoeff[6 * 64], |
| 605 |
|
Bitstream * bs, |
| 606 |
|
Statistics * pStat) |
| 607 |
{ |
{ |
| 608 |
int intra = (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q); |
if (frame->coding_type != I_VOP) |
| 609 |
|
BitstreamPutBit(bs, 0); /* not_coded */ |
| 610 |
|
|
| 611 |
|
if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) |
| 612 |
|
CodeBlockIntra(frame, pMB, qcoeff, bs, pStat); |
| 613 |
|
else |
| 614 |
|
CodeBlockInter(frame, pMB, qcoeff, bs, pStat); |
| 615 |
|
|
| 616 |
if(pParam->coding_type == P_VOP) { |
} |
| 617 |
if(pMB->cbp == 0 && pMB->mode == MODE_INTER && |
|
| 618 |
pMB->mvs[0].x == 0 && pMB->mvs[0].y == 0) |
/*************************************************************** |
| 619 |
|
* bframe encoding start |
| 620 |
|
***************************************************************/ |
| 621 |
|
|
| 622 |
|
/* |
| 623 |
|
mbtype |
| 624 |
|
0 1b direct(h263) mvdb |
| 625 |
|
1 01b interpolate mc+q dbquant, mvdf, mvdb |
| 626 |
|
2 001b backward mc+q dbquant, mvdb |
| 627 |
|
3 0001b forward mc+q dbquant, mvdf |
| 628 |
|
*/ |
| 629 |
|
|
| 630 |
|
static __inline void |
| 631 |
|
put_bvop_mbtype(Bitstream * bs, |
| 632 |
|
int value) |
| 633 |
|
{ |
| 634 |
|
switch (value) { |
| 635 |
|
case MODE_FORWARD: |
| 636 |
|
BitstreamPutBit(bs, 0); |
| 637 |
|
case MODE_BACKWARD: |
| 638 |
|
BitstreamPutBit(bs, 0); |
| 639 |
|
case MODE_INTERPOLATE: |
| 640 |
|
BitstreamPutBit(bs, 0); |
| 641 |
|
case MODE_DIRECT: |
| 642 |
|
BitstreamPutBit(bs, 1); |
| 643 |
|
default: |
| 644 |
|
break; |
| 645 |
|
} |
| 646 |
|
} |
| 647 |
|
|
| 648 |
|
/* |
| 649 |
|
dbquant |
| 650 |
|
-2 10b |
| 651 |
|
0 0b |
| 652 |
|
+2 11b |
| 653 |
|
*/ |
| 654 |
|
|
| 655 |
|
static __inline void |
| 656 |
|
put_bvop_dbquant(Bitstream * bs, |
| 657 |
|
int value) |
| 658 |
|
{ |
| 659 |
|
switch (value) { |
| 660 |
|
case 0: |
| 661 |
|
BitstreamPutBit(bs, 0); |
| 662 |
|
return; |
| 663 |
|
|
| 664 |
|
case -2: |
| 665 |
|
BitstreamPutBit(bs, 1); |
| 666 |
|
BitstreamPutBit(bs, 0); |
| 667 |
|
return; |
| 668 |
|
|
| 669 |
|
case 2: |
| 670 |
|
BitstreamPutBit(bs, 1); |
| 671 |
|
BitstreamPutBit(bs, 1); |
| 672 |
|
return; |
| 673 |
|
|
| 674 |
|
default:; /* invalid */ |
| 675 |
|
} |
| 676 |
|
} |
| 677 |
|
|
| 678 |
|
|
| 679 |
|
|
| 680 |
|
void |
| 681 |
|
MBCodingBVOP(const FRAMEINFO * const frame, |
| 682 |
|
const MACROBLOCK * mb, |
| 683 |
|
const int16_t qcoeff[6 * 64], |
| 684 |
|
const int32_t fcode, |
| 685 |
|
const int32_t bcode, |
| 686 |
|
Bitstream * bs, |
| 687 |
|
Statistics * pStat) |
| 688 |
{ |
{ |
| 689 |
BitstreamPutBit(bs, 1); // not_coded |
int vcode = fcode; |
| 690 |
|
unsigned int i; |
| 691 |
|
|
| 692 |
|
const uint16_t *scan_table = |
| 693 |
|
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
| 694 |
|
scan_tables[2] : scan_tables[0]; |
| 695 |
|
|
| 696 |
|
|
| 697 |
|
/* ------------------------------------------------------------------ |
| 698 |
|
when a block is skipped it is decoded DIRECT(0,0) |
| 699 |
|
hence is interpolated from forward & backward frames |
| 700 |
|
------------------------------------------------------------------ */ |
| 701 |
|
|
| 702 |
|
if (mb->mode == MODE_DIRECT_NONE_MV) { |
| 703 |
|
BitstreamPutBit(bs, 1); /* skipped */ |
| 704 |
return; |
return; |
| 705 |
} |
} |
| 706 |
else |
|
| 707 |
BitstreamPutBit(bs, 0); // coded |
BitstreamPutBit(bs, 0); /* not skipped */ |
| 708 |
|
|
| 709 |
|
if (mb->cbp == 0) { |
| 710 |
|
BitstreamPutBit(bs, 1); /* cbp == 0 */ |
| 711 |
|
} else { |
| 712 |
|
BitstreamPutBit(bs, 0); /* cbp == xxx */ |
| 713 |
} |
} |
| 714 |
|
|
| 715 |
if(intra) |
put_bvop_mbtype(bs, mb->mode); |
| 716 |
CodeBlockIntra(pParam, pMB, qcoeff, bs, pStat); |
|
| 717 |
else |
if (mb->cbp) { |
| 718 |
CodeBlockInter(pParam, pMB, qcoeff, bs, pStat); |
BitstreamPutBits(bs, mb->cbp, 6); |
| 719 |
|
} |
| 720 |
|
|
| 721 |
|
if (mb->mode != MODE_DIRECT && mb->cbp != 0) { |
| 722 |
|
put_bvop_dbquant(bs, 0); /* todo: mb->dquant = 0 */ |
| 723 |
} |
} |
| 724 |
|
|
| 725 |
|
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
| 726 |
|
if (mb->cbp) { |
| 727 |
|
BitstreamPutBit(bs, mb->field_dct); |
| 728 |
|
DPRINTF(XVID_DEBUG_MB,"codep: field_dct: %i\n", mb->field_dct); |
| 729 |
|
} |
| 730 |
|
|
| 731 |
|
/* if not direct block, write field ME flag */ |
| 732 |
|
if (mb->mode != MODE_DIRECT) { |
| 733 |
|
BitstreamPutBit(bs, 0 /*mb->field_pred*/); /* field ME not implemented */ |
| 734 |
|
|
| 735 |
|
/* write field prediction references */ |
| 736 |
|
#if 0 /* Remove the #if once field_pred is supported */ |
| 737 |
|
if (mb->field_pred) { |
| 738 |
|
BitstreamPutBit(bs, mb->field_for_top); |
| 739 |
|
BitstreamPutBit(bs, mb->field_for_bot); |
| 740 |
|
} |
| 741 |
|
#endif |
| 742 |
|
} |
| 743 |
|
} |
| 744 |
|
|
| 745 |
|
|
| 746 |
|
switch (mb->mode) { |
| 747 |
|
case MODE_INTERPOLATE: |
| 748 |
|
CodeVector(bs, mb->pmvs[1].x, vcode, pStat); /* forward vector of interpolate mode */ |
| 749 |
|
CodeVector(bs, mb->pmvs[1].y, vcode, pStat); |
| 750 |
|
case MODE_BACKWARD: |
| 751 |
|
vcode = bcode; |
| 752 |
|
case MODE_FORWARD: |
| 753 |
|
CodeVector(bs, mb->pmvs[0].x, vcode, pStat); |
| 754 |
|
CodeVector(bs, mb->pmvs[0].y, vcode, pStat); |
| 755 |
|
break; |
| 756 |
|
case MODE_DIRECT: |
| 757 |
|
CodeVector(bs, mb->pmvs[3].x, 1, pStat); /* fcode is always 1 for delta vector */ |
| 758 |
|
CodeVector(bs, mb->pmvs[3].y, 1, pStat); /* prediction is always (0,0) */ |
| 759 |
|
default: break; |
| 760 |
|
} |
| 761 |
|
|
| 762 |
|
for (i = 0; i < 6; i++) { |
| 763 |
|
if (mb->cbp & (1 << (5 - i))) { |
| 764 |
|
CodeCoeffInter(bs, &qcoeff[i * 64], scan_table); |
| 765 |
|
} |
| 766 |
|
} |
| 767 |
|
} |
| 768 |
|
|
| 769 |
|
|
| 770 |
|
|
| 771 |
/*************************************************************** |
/*************************************************************** |
| 772 |
* decoding stuff starts here * |
* decoding stuff starts here * |
| 773 |
***************************************************************/ |
***************************************************************/ |
| 774 |
|
|
| 775 |
int get_mcbpc_intra(Bitstream * bs) |
|
| 776 |
|
/* |
| 777 |
|
* for IVOP addbits == 0 |
| 778 |
|
* for PVOP addbits == fcode - 1 |
| 779 |
|
* for BVOP addbits == max(fcode,bcode) - 1 |
| 780 |
|
* returns true or false |
| 781 |
|
*/ |
| 782 |
|
int |
| 783 |
|
check_resync_marker(Bitstream * bs, int addbits) |
| 784 |
|
{ |
| 785 |
|
uint32_t nbits; |
| 786 |
|
uint32_t code; |
| 787 |
|
uint32_t nbitsresyncmarker = NUMBITS_VP_RESYNC_MARKER + addbits; |
| 788 |
|
|
| 789 |
|
nbits = BitstreamNumBitsToByteAlign(bs); |
| 790 |
|
code = BitstreamShowBits(bs, nbits); |
| 791 |
|
|
| 792 |
|
if (code == (((uint32_t)1 << (nbits - 1)) - 1)) |
| 793 |
{ |
{ |
| 794 |
uint32_t index; |
return BitstreamShowBitsFromByteAlign(bs, nbitsresyncmarker) == RESYNC_MARKER; |
| 795 |
|
} |
| 796 |
|
|
| 797 |
|
return 0; |
| 798 |
|
} |
| 799 |
|
|
| 800 |
|
|
|
while((index = BitstreamShowBits(bs, 9)) == 1) |
|
|
BitstreamSkip(bs, 9); |
|
| 801 |
|
|
| 802 |
|
int |
| 803 |
|
get_mcbpc_intra(Bitstream * bs) |
| 804 |
|
{ |
| 805 |
|
|
| 806 |
|
uint32_t index; |
| 807 |
|
|
| 808 |
|
index = BitstreamShowBits(bs, 9); |
| 809 |
index >>= 3; |
index >>= 3; |
| 810 |
|
|
| 811 |
BitstreamSkip(bs, mcbpc_intra_table[index].len); |
BitstreamSkip(bs, mcbpc_intra_table[index].len); |
| 812 |
|
|
| 813 |
return mcbpc_intra_table[index].code; |
return mcbpc_intra_table[index].code; |
| 814 |
|
|
| 815 |
} |
} |
| 816 |
|
|
| 817 |
int get_mcbpc_inter(Bitstream * bs) |
int |
| 818 |
|
get_mcbpc_inter(Bitstream * bs) |
| 819 |
{ |
{ |
| 820 |
|
|
| 821 |
uint32_t index; |
uint32_t index; |
| 822 |
|
|
| 823 |
while((index = CLIP(BitstreamShowBits(bs, 9), 256)) == 1) |
index = MIN(BitstreamShowBits(bs, 9), 256); |
|
BitstreamSkip(bs, 9); |
|
| 824 |
|
|
| 825 |
BitstreamSkip(bs, mcbpc_inter_table[index].len); |
BitstreamSkip(bs, mcbpc_inter_table[index].len); |
| 826 |
|
|
| 827 |
return mcbpc_inter_table[index].code; |
return mcbpc_inter_table[index].code; |
| 828 |
|
|
| 829 |
} |
} |
| 830 |
|
|
| 831 |
int get_cbpy(Bitstream * bs, int intra) |
int |
| 832 |
|
get_cbpy(Bitstream * bs, |
| 833 |
|
int intra) |
| 834 |
{ |
{ |
| 835 |
|
|
| 836 |
int cbpy; |
int cbpy; |
| 837 |
uint32_t index = BitstreamShowBits(bs, 6); |
uint32_t index = BitstreamShowBits(bs, 6); |
| 838 |
|
|
| 843 |
cbpy = 15 - cbpy; |
cbpy = 15 - cbpy; |
| 844 |
|
|
| 845 |
return cbpy; |
return cbpy; |
| 846 |
|
|
| 847 |
} |
} |
| 848 |
|
|
| 849 |
int get_mv_data(Bitstream * bs) |
static __inline int |
| 850 |
|
get_mv_data(Bitstream * bs) |
| 851 |
{ |
{ |
| 852 |
|
|
| 853 |
uint32_t index; |
uint32_t index; |
| 854 |
|
|
| 855 |
if(BitstreamGetBit(bs)) |
if(BitstreamGetBit(bs)) |
| 857 |
|
|
| 858 |
index = BitstreamShowBits(bs, 12); |
index = BitstreamShowBits(bs, 12); |
| 859 |
|
|
| 860 |
if(index >= 512) |
if (index >= 512) { |
|
{ |
|
| 861 |
index = (index >> 8) - 2; |
index = (index >> 8) - 2; |
| 862 |
BitstreamSkip(bs, TMNMVtab0[index].len); |
BitstreamSkip(bs, TMNMVtab0[index].len); |
| 863 |
return TMNMVtab0[index].code; |
return TMNMVtab0[index].code; |
| 864 |
} |
} |
| 865 |
|
|
| 866 |
if(index >= 128) |
if (index >= 128) { |
|
{ |
|
| 867 |
index = (index >> 2) - 32; |
index = (index >> 2) - 32; |
| 868 |
BitstreamSkip(bs, TMNMVtab1[index].len); |
BitstreamSkip(bs, TMNMVtab1[index].len); |
| 869 |
return TMNMVtab1[index].code; |
return TMNMVtab1[index].code; |
| 873 |
|
|
| 874 |
BitstreamSkip(bs, TMNMVtab2[index].len); |
BitstreamSkip(bs, TMNMVtab2[index].len); |
| 875 |
return TMNMVtab2[index].code; |
return TMNMVtab2[index].code; |
| 876 |
|
|
| 877 |
} |
} |
| 878 |
|
|
| 879 |
int get_mv(Bitstream * bs, int fcode) |
int |
| 880 |
|
get_mv(Bitstream * bs, |
| 881 |
|
int fcode) |
| 882 |
{ |
{ |
| 883 |
|
|
| 884 |
int data; |
int data; |
| 885 |
int res; |
int res; |
| 886 |
int mv; |
int mv; |
| 892 |
return data; |
return data; |
| 893 |
|
|
| 894 |
res = BitstreamGetBits(bs, fcode - 1); |
res = BitstreamGetBits(bs, fcode - 1); |
| 895 |
mv = ((ABS(data) - 1) * scale_fac) + res + 1; |
mv = ((abs(data) - 1) * scale_fac) + res + 1; |
| 896 |
|
|
| 897 |
return data < 0 ? -mv : mv; |
return data < 0 ? -mv : mv; |
| 898 |
|
|
| 899 |
} |
} |
| 900 |
|
|
| 901 |
int get_dc_dif(Bitstream * bs, uint32_t dc_size) |
int |
| 902 |
|
get_dc_dif(Bitstream * bs, |
| 903 |
|
uint32_t dc_size) |
| 904 |
{ |
{ |
| 905 |
|
|
| 906 |
int code = BitstreamGetBits(bs, dc_size); |
int code = BitstreamGetBits(bs, dc_size); |
| 907 |
int msb = code >> (dc_size - 1); |
int msb = code >> (dc_size - 1); |
| 908 |
|
|
| 910 |
return (-1 * (code^((1 << dc_size) - 1))); |
return (-1 * (code^((1 << dc_size) - 1))); |
| 911 |
|
|
| 912 |
return code; |
return code; |
| 913 |
|
|
| 914 |
} |
} |
| 915 |
|
|
| 916 |
int get_dc_size_lum(Bitstream * bs) |
int |
| 917 |
|
get_dc_size_lum(Bitstream * bs) |
| 918 |
{ |
{ |
| 919 |
|
|
| 920 |
int code, i; |
int code, i; |
| 921 |
|
|
| 922 |
code = BitstreamShowBits(bs, 11); |
code = BitstreamShowBits(bs, 11); |
| 923 |
|
|
| 924 |
for(i = 11; i > 3; i--) { |
for(i = 11; i > 3; i--) { |
| 931 |
|
|
| 932 |
BitstreamSkip(bs, dc_lum_tab[code].len); |
BitstreamSkip(bs, dc_lum_tab[code].len); |
| 933 |
return dc_lum_tab[code].code; |
return dc_lum_tab[code].code; |
| 934 |
|
|
| 935 |
} |
} |
| 936 |
|
|
| 937 |
|
|
| 938 |
int get_dc_size_chrom(Bitstream * bs) |
int |
| 939 |
|
get_dc_size_chrom(Bitstream * bs) |
| 940 |
{ |
{ |
| 941 |
|
|
| 942 |
uint32_t code, i; |
uint32_t code, i; |
| 943 |
|
|
| 944 |
code = BitstreamShowBits(bs, 12); |
code = BitstreamShowBits(bs, 12); |
| 945 |
|
|
| 946 |
for(i = 12; i > 2; i--) { |
for(i = 12; i > 2; i--) { |
| 952 |
} |
} |
| 953 |
|
|
| 954 |
return 3 - BitstreamGetBits(bs, 2); |
return 3 - BitstreamGetBits(bs, 2); |
| 955 |
|
|
| 956 |
} |
} |
| 957 |
|
|
| 958 |
int get_coeff(Bitstream * bs, int *run, int *last, int intra, int short_video_header) |
static __inline int |
| 959 |
|
get_coeff(Bitstream * bs, |
| 960 |
|
int *run, |
| 961 |
|
int *last, |
| 962 |
|
int intra, |
| 963 |
|
int short_video_header) |
| 964 |
{ |
{ |
| 965 |
|
|
| 966 |
uint32_t mode; |
uint32_t mode; |
|
const VLC *tab; |
|
| 967 |
int32_t level; |
int32_t level; |
| 968 |
|
REVERSE_EVENT *reverse_event; |
| 969 |
|
|
| 970 |
if(short_video_header) // inter-VLCs will be used for both intra and inter blocks |
if (short_video_header) /* inter-VLCs will be used for both intra and inter blocks */ |
| 971 |
intra = 0; |
intra = 0; |
| 972 |
|
|
| 973 |
tab = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
if (BitstreamShowBits(bs, 7) != ESCAPE) { |
| 974 |
|
reverse_event = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
| 975 |
|
|
| 976 |
if(tab->code == -1) |
if ((level = reverse_event->event.level) == 0) |
| 977 |
goto error; |
goto error; |
| 978 |
|
|
| 979 |
BitstreamSkip(bs, tab->len); |
*last = reverse_event->event.last; |
| 980 |
|
*run = reverse_event->event.run; |
| 981 |
|
|
| 982 |
if(tab->code != ESCAPE) { |
BitstreamSkip(bs, reverse_event->len); |
| 983 |
if(!intra) |
|
| 984 |
{ |
return BitstreamGetBits(bs, 1) ? -level : level; |
|
*run = (tab->code >> 4) & 255; |
|
|
level = tab->code & 15; |
|
|
*last = (tab->code >> 12) & 1; |
|
|
} |
|
|
else |
|
|
{ |
|
|
*run = (tab->code >> 8) & 255; |
|
|
level = tab->code & 255; |
|
|
*last = (tab->code >> 16) & 1; |
|
|
} |
|
|
return BitstreamGetBit(bs) ? -level : level; |
|
| 985 |
} |
} |
| 986 |
|
|
| 987 |
if(short_video_header) |
BitstreamSkip(bs, 7); |
| 988 |
{ |
|
| 989 |
// escape mode 4 - H.263 type, only used if short_video_header = 1 |
if (short_video_header) { |
| 990 |
|
/* escape mode 4 - H.263 type, only used if short_video_header = 1 */ |
| 991 |
*last = BitstreamGetBit(bs); |
*last = BitstreamGetBit(bs); |
| 992 |
*run = BitstreamGetBits(bs, 6); |
*run = BitstreamGetBits(bs, 6); |
| 993 |
level = BitstreamGetBits(bs, 8); |
level = BitstreamGetBits(bs, 8); |
| 994 |
|
|
| 995 |
if (level == 0 || level == 128) |
if (level == 0 || level == 128) |
| 996 |
DEBUG1("Illegal LEVEL for ESCAPE mode 4:", level); |
DPRINTF(XVID_DEBUG_ERROR, "Illegal LEVEL for ESCAPE mode 4: %d\n", level); |
| 997 |
|
|
| 998 |
return (level >= 128 ? -(256 - level) : level); |
return (level << 24) >> 24; |
| 999 |
} |
} |
| 1000 |
|
|
| 1001 |
mode = BitstreamShowBits(bs, 2); |
mode = BitstreamShowBits(bs, 2); |
| 1003 |
if(mode < 3) { |
if(mode < 3) { |
| 1004 |
BitstreamSkip(bs, (mode == 2) ? 2 : 1); |
BitstreamSkip(bs, (mode == 2) ? 2 : 1); |
| 1005 |
|
|
| 1006 |
tab = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
reverse_event = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
| 1007 |
if (tab->code == -1) |
|
| 1008 |
|
if ((level = reverse_event->event.level) == 0) |
| 1009 |
goto error; |
goto error; |
| 1010 |
|
|
| 1011 |
BitstreamSkip(bs, tab->len); |
*last = reverse_event->event.last; |
| 1012 |
|
*run = reverse_event->event.run; |
| 1013 |
|
|
| 1014 |
if (!intra) { |
BitstreamSkip(bs, reverse_event->len); |
|
*run = (tab->code >> 4) & 255; |
|
|
level = tab->code & 15; |
|
|
*last = (tab->code >> 12) & 1; |
|
|
} |
|
|
else |
|
|
{ |
|
|
*run = (tab->code >> 8) & 255; |
|
|
level = tab->code & 255; |
|
|
*last = (tab->code >> 16) & 1; |
|
|
} |
|
| 1015 |
|
|
| 1016 |
if(mode < 2) // first escape mode, level is offset |
if (mode < 2) /* first escape mode, level is offset */ |
| 1017 |
level += max_level[*last + (!intra<<1)][*run]; // need to add back the max level |
level += max_level[intra][*last][*run]; |
| 1018 |
else if(mode == 2) // second escape mode, run is offset |
else /* second escape mode, run is offset */ |
| 1019 |
*run += max_run[*last + (!intra<<1)][level] + 1; |
*run += max_run[intra][*last][level] + 1; |
| 1020 |
|
|
| 1021 |
return BitstreamGetBit(bs) ? -level : level; |
return BitstreamGetBits(bs, 1) ? -level : level; |
| 1022 |
} |
} |
| 1023 |
|
|
| 1024 |
// third escape mode - fixed length codes |
/* third escape mode - fixed length codes */ |
| 1025 |
BitstreamSkip(bs, 2); |
BitstreamSkip(bs, 2); |
| 1026 |
*last = BitstreamGetBits(bs, 1); |
*last = BitstreamGetBits(bs, 1); |
| 1027 |
*run = BitstreamGetBits(bs, 6); |
*run = BitstreamGetBits(bs, 6); |
| 1028 |
BitstreamSkip(bs, 1); // marker |
BitstreamSkip(bs, 1); /* marker */ |
| 1029 |
level = BitstreamGetBits(bs, 12); |
level = BitstreamGetBits(bs, 12); |
| 1030 |
BitstreamSkip(bs, 1); // marker |
BitstreamSkip(bs, 1); /* marker */ |
| 1031 |
|
|
| 1032 |
return (level & 0x800) ? (level | (-1 ^ 0xfff)) : level; |
return (level << 20) >> 20; |
| 1033 |
|
|
| 1034 |
error: |
error: |
| 1035 |
*run = VLC_ERROR; |
*run = VLC_ERROR; |
| 1036 |
return 0; |
return 0; |
| 1037 |
} |
} |
| 1038 |
|
|
| 1039 |
|
void |
| 1040 |
void get_intra_block(Bitstream * bs, int16_t * block, int direction, int coeff) |
get_intra_block(Bitstream * bs, |
| 1041 |
|
int16_t * block, |
| 1042 |
|
int direction, |
| 1043 |
|
int coeff) |
| 1044 |
{ |
{ |
| 1045 |
|
|
| 1046 |
const uint16_t * scan = scan_tables[ direction ]; |
const uint16_t * scan = scan_tables[ direction ]; |
| 1047 |
int level; |
int level, run, last; |
|
int run; |
|
|
int last; |
|
| 1048 |
|
|
| 1049 |
do |
do { |
|
{ |
|
| 1050 |
level = get_coeff(bs, &run, &last, 1, 0); |
level = get_coeff(bs, &run, &last, 1, 0); |
| 1051 |
if (run == -1) |
if (run == -1) { |
| 1052 |
{ |
DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run"); |
|
DEBUG("fatal: invalid run"); |
|
| 1053 |
break; |
break; |
| 1054 |
} |
} |
| 1055 |
coeff += run; |
coeff += run; |
| 1056 |
block[ scan[coeff] ] = level; |
block[ scan[coeff] ] = level; |
| 1057 |
if (level < -127 || level > 127) |
|
| 1058 |
{ |
DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i\n", scan[coeff], level); |
| 1059 |
DEBUG1("warning: intra_overflow", level); |
#if 0 |
| 1060 |
|
DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i %08x\n", scan[coeff], level, BitstreamShowBits(bs, 32)); |
| 1061 |
|
#endif |
| 1062 |
|
|
| 1063 |
|
if (level < -2047 || level > 2047) { |
| 1064 |
|
DPRINTF(XVID_DEBUG_ERROR,"warning: intra_overflow %i\n", level); |
| 1065 |
} |
} |
| 1066 |
coeff++; |
coeff++; |
| 1067 |
} while (!last); |
} while (!last); |
| 1068 |
|
|
| 1069 |
} |
} |
| 1070 |
|
|
| 1071 |
void get_inter_block(Bitstream * bs, int16_t * block) |
void |
| 1072 |
|
get_inter_block(Bitstream * bs, |
| 1073 |
|
int16_t * block, |
| 1074 |
|
int direction) |
| 1075 |
{ |
{ |
| 1076 |
const uint16_t * scan = scan_tables[0]; |
|
| 1077 |
|
const uint16_t *scan = scan_tables[direction]; |
| 1078 |
int p; |
int p; |
| 1079 |
int level; |
int level; |
| 1080 |
int run; |
int run; |
| 1081 |
int last; |
int last; |
| 1082 |
|
|
| 1083 |
p = 0; |
p = 0; |
| 1084 |
do |
do { |
|
{ |
|
| 1085 |
level = get_coeff(bs, &run, &last, 0, 0); |
level = get_coeff(bs, &run, &last, 0, 0); |
| 1086 |
if (run == -1) |
if (run == -1) { |
| 1087 |
{ |
DPRINTF(XVID_DEBUG_ERROR,"fatal: invalid run"); |
|
DEBUG("fatal: invalid run"); |
|
| 1088 |
break; |
break; |
| 1089 |
} |
} |
| 1090 |
p += run; |
p += run; |
| 1091 |
|
|
| 1092 |
block[ scan[p] ] = level; |
block[ scan[p] ] = level; |
| 1093 |
if (level < -127 || level > 127) |
|
| 1094 |
{ |
DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i\n", scan[p], level); |
| 1095 |
DEBUG1("warning: inter_overflow", level); |
/* DPRINTF(XVID_DEBUG_COEFF,"block[%i] %i %08x\n", scan[p], level, BitstreamShowBits(bs, 32)); */ |
| 1096 |
|
|
| 1097 |
|
if (level < -2047 || level > 2047) { |
| 1098 |
|
DPRINTF(XVID_DEBUG_ERROR,"warning: inter overflow %i\n", level); |
| 1099 |
} |
} |
| 1100 |
p++; |
p++; |
| 1101 |
} while (!last); |
} while (!last); |
| 1102 |
|
|
| 1103 |
} |
} |
| 1104 |
|
|
| 1105 |
|
|
| 1106 |
|
/***************************************************************************** |
| 1107 |
|
* VLC tables and other constant arrays |
| 1108 |
|
****************************************************************************/ |
| 1109 |
|
|
| 1110 |
|
VLC_TABLE const coeff_tab[2][102] = |
| 1111 |
|
{ |
| 1112 |
|
/* intra = 0 */ |
| 1113 |
|
{ |
| 1114 |
|
{{ 2, 2}, {0, 0, 1}}, |
| 1115 |
|
{{15, 4}, {0, 0, 2}}, |
| 1116 |
|
{{21, 6}, {0, 0, 3}}, |
| 1117 |
|
{{23, 7}, {0, 0, 4}}, |
| 1118 |
|
{{31, 8}, {0, 0, 5}}, |
| 1119 |
|
{{37, 9}, {0, 0, 6}}, |
| 1120 |
|
{{36, 9}, {0, 0, 7}}, |
| 1121 |
|
{{33, 10}, {0, 0, 8}}, |
| 1122 |
|
{{32, 10}, {0, 0, 9}}, |
| 1123 |
|
{{ 7, 11}, {0, 0, 10}}, |
| 1124 |
|
{{ 6, 11}, {0, 0, 11}}, |
| 1125 |
|
{{32, 11}, {0, 0, 12}}, |
| 1126 |
|
{{ 6, 3}, {0, 1, 1}}, |
| 1127 |
|
{{20, 6}, {0, 1, 2}}, |
| 1128 |
|
{{30, 8}, {0, 1, 3}}, |
| 1129 |
|
{{15, 10}, {0, 1, 4}}, |
| 1130 |
|
{{33, 11}, {0, 1, 5}}, |
| 1131 |
|
{{80, 12}, {0, 1, 6}}, |
| 1132 |
|
{{14, 4}, {0, 2, 1}}, |
| 1133 |
|
{{29, 8}, {0, 2, 2}}, |
| 1134 |
|
{{14, 10}, {0, 2, 3}}, |
| 1135 |
|
{{81, 12}, {0, 2, 4}}, |
| 1136 |
|
{{13, 5}, {0, 3, 1}}, |
| 1137 |
|
{{35, 9}, {0, 3, 2}}, |
| 1138 |
|
{{13, 10}, {0, 3, 3}}, |
| 1139 |
|
{{12, 5}, {0, 4, 1}}, |
| 1140 |
|
{{34, 9}, {0, 4, 2}}, |
| 1141 |
|
{{82, 12}, {0, 4, 3}}, |
| 1142 |
|
{{11, 5}, {0, 5, 1}}, |
| 1143 |
|
{{12, 10}, {0, 5, 2}}, |
| 1144 |
|
{{83, 12}, {0, 5, 3}}, |
| 1145 |
|
{{19, 6}, {0, 6, 1}}, |
| 1146 |
|
{{11, 10}, {0, 6, 2}}, |
| 1147 |
|
{{84, 12}, {0, 6, 3}}, |
| 1148 |
|
{{18, 6}, {0, 7, 1}}, |
| 1149 |
|
{{10, 10}, {0, 7, 2}}, |
| 1150 |
|
{{17, 6}, {0, 8, 1}}, |
| 1151 |
|
{{ 9, 10}, {0, 8, 2}}, |
| 1152 |
|
{{16, 6}, {0, 9, 1}}, |
| 1153 |
|
{{ 8, 10}, {0, 9, 2}}, |
| 1154 |
|
{{22, 7}, {0, 10, 1}}, |
| 1155 |
|
{{85, 12}, {0, 10, 2}}, |
| 1156 |
|
{{21, 7}, {0, 11, 1}}, |
| 1157 |
|
{{20, 7}, {0, 12, 1}}, |
| 1158 |
|
{{28, 8}, {0, 13, 1}}, |
| 1159 |
|
{{27, 8}, {0, 14, 1}}, |
| 1160 |
|
{{33, 9}, {0, 15, 1}}, |
| 1161 |
|
{{32, 9}, {0, 16, 1}}, |
| 1162 |
|
{{31, 9}, {0, 17, 1}}, |
| 1163 |
|
{{30, 9}, {0, 18, 1}}, |
| 1164 |
|
{{29, 9}, {0, 19, 1}}, |
| 1165 |
|
{{28, 9}, {0, 20, 1}}, |
| 1166 |
|
{{27, 9}, {0, 21, 1}}, |
| 1167 |
|
{{26, 9}, {0, 22, 1}}, |
| 1168 |
|
{{34, 11}, {0, 23, 1}}, |
| 1169 |
|
{{35, 11}, {0, 24, 1}}, |
| 1170 |
|
{{86, 12}, {0, 25, 1}}, |
| 1171 |
|
{{87, 12}, {0, 26, 1}}, |
| 1172 |
|
{{ 7, 4}, {1, 0, 1}}, |
| 1173 |
|
{{25, 9}, {1, 0, 2}}, |
| 1174 |
|
{{ 5, 11}, {1, 0, 3}}, |
| 1175 |
|
{{15, 6}, {1, 1, 1}}, |
| 1176 |
|
{{ 4, 11}, {1, 1, 2}}, |
| 1177 |
|
{{14, 6}, {1, 2, 1}}, |
| 1178 |
|
{{13, 6}, {1, 3, 1}}, |
| 1179 |
|
{{12, 6}, {1, 4, 1}}, |
| 1180 |
|
{{19, 7}, {1, 5, 1}}, |
| 1181 |
|
{{18, 7}, {1, 6, 1}}, |
| 1182 |
|
{{17, 7}, {1, 7, 1}}, |
| 1183 |
|
{{16, 7}, {1, 8, 1}}, |
| 1184 |
|
{{26, 8}, {1, 9, 1}}, |
| 1185 |
|
{{25, 8}, {1, 10, 1}}, |
| 1186 |
|
{{24, 8}, {1, 11, 1}}, |
| 1187 |
|
{{23, 8}, {1, 12, 1}}, |
| 1188 |
|
{{22, 8}, {1, 13, 1}}, |
| 1189 |
|
{{21, 8}, {1, 14, 1}}, |
| 1190 |
|
{{20, 8}, {1, 15, 1}}, |
| 1191 |
|
{{19, 8}, {1, 16, 1}}, |
| 1192 |
|
{{24, 9}, {1, 17, 1}}, |
| 1193 |
|
{{23, 9}, {1, 18, 1}}, |
| 1194 |
|
{{22, 9}, {1, 19, 1}}, |
| 1195 |
|
{{21, 9}, {1, 20, 1}}, |
| 1196 |
|
{{20, 9}, {1, 21, 1}}, |
| 1197 |
|
{{19, 9}, {1, 22, 1}}, |
| 1198 |
|
{{18, 9}, {1, 23, 1}}, |
| 1199 |
|
{{17, 9}, {1, 24, 1}}, |
| 1200 |
|
{{ 7, 10}, {1, 25, 1}}, |
| 1201 |
|
{{ 6, 10}, {1, 26, 1}}, |
| 1202 |
|
{{ 5, 10}, {1, 27, 1}}, |
| 1203 |
|
{{ 4, 10}, {1, 28, 1}}, |
| 1204 |
|
{{36, 11}, {1, 29, 1}}, |
| 1205 |
|
{{37, 11}, {1, 30, 1}}, |
| 1206 |
|
{{38, 11}, {1, 31, 1}}, |
| 1207 |
|
{{39, 11}, {1, 32, 1}}, |
| 1208 |
|
{{88, 12}, {1, 33, 1}}, |
| 1209 |
|
{{89, 12}, {1, 34, 1}}, |
| 1210 |
|
{{90, 12}, {1, 35, 1}}, |
| 1211 |
|
{{91, 12}, {1, 36, 1}}, |
| 1212 |
|
{{92, 12}, {1, 37, 1}}, |
| 1213 |
|
{{93, 12}, {1, 38, 1}}, |
| 1214 |
|
{{94, 12}, {1, 39, 1}}, |
| 1215 |
|
{{95, 12}, {1, 40, 1}} |
| 1216 |
|
}, |
| 1217 |
|
/* intra = 1 */ |
| 1218 |
|
{ |
| 1219 |
|
{{ 2, 2}, {0, 0, 1}}, |
| 1220 |
|
{{15, 4}, {0, 0, 3}}, |
| 1221 |
|
{{21, 6}, {0, 0, 6}}, |
| 1222 |
|
{{23, 7}, {0, 0, 9}}, |
| 1223 |
|
{{31, 8}, {0, 0, 10}}, |
| 1224 |
|
{{37, 9}, {0, 0, 13}}, |
| 1225 |
|
{{36, 9}, {0, 0, 14}}, |
| 1226 |
|
{{33, 10}, {0, 0, 17}}, |
| 1227 |
|
{{32, 10}, {0, 0, 18}}, |
| 1228 |
|
{{ 7, 11}, {0, 0, 21}}, |
| 1229 |
|
{{ 6, 11}, {0, 0, 22}}, |
| 1230 |
|
{{32, 11}, {0, 0, 23}}, |
| 1231 |
|
{{ 6, 3}, {0, 0, 2}}, |
| 1232 |
|
{{20, 6}, {0, 1, 2}}, |
| 1233 |
|
{{30, 8}, {0, 0, 11}}, |
| 1234 |
|
{{15, 10}, {0, 0, 19}}, |
| 1235 |
|
{{33, 11}, {0, 0, 24}}, |
| 1236 |
|
{{80, 12}, {0, 0, 25}}, |
| 1237 |
|
{{14, 4}, {0, 1, 1}}, |
| 1238 |
|
{{29, 8}, {0, 0, 12}}, |
| 1239 |
|
{{14, 10}, {0, 0, 20}}, |
| 1240 |
|
{{81, 12}, {0, 0, 26}}, |
| 1241 |
|
{{13, 5}, {0, 0, 4}}, |
| 1242 |
|
{{35, 9}, {0, 0, 15}}, |
| 1243 |
|
{{13, 10}, {0, 1, 7}}, |
| 1244 |
|
{{12, 5}, {0, 0, 5}}, |
| 1245 |
|
{{34, 9}, {0, 4, 2}}, |
| 1246 |
|
{{82, 12}, {0, 0, 27}}, |
| 1247 |
|
{{11, 5}, {0, 2, 1}}, |
| 1248 |
|
{{12, 10}, {0, 2, 4}}, |
| 1249 |
|
{{83, 12}, {0, 1, 9}}, |
| 1250 |
|
{{19, 6}, {0, 0, 7}}, |
| 1251 |
|
{{11, 10}, {0, 3, 4}}, |
| 1252 |
|
{{84, 12}, {0, 6, 3}}, |
| 1253 |
|
{{18, 6}, {0, 0, 8}}, |
| 1254 |
|
{{10, 10}, {0, 4, 3}}, |
| 1255 |
|
{{17, 6}, {0, 3, 1}}, |
| 1256 |
|
{{ 9, 10}, {0, 8, 2}}, |
| 1257 |
|
{{16, 6}, {0, 4, 1}}, |
| 1258 |
|
{{ 8, 10}, {0, 5, 3}}, |
| 1259 |
|
{{22, 7}, {0, 1, 3}}, |
| 1260 |
|
{{85, 12}, {0, 1, 10}}, |
| 1261 |
|
{{21, 7}, {0, 2, 2}}, |
| 1262 |
|
{{20, 7}, {0, 7, 1}}, |
| 1263 |
|
{{28, 8}, {0, 1, 4}}, |
| 1264 |
|
{{27, 8}, {0, 3, 2}}, |
| 1265 |
|
{{33, 9}, {0, 0, 16}}, |
| 1266 |
|
{{32, 9}, {0, 1, 5}}, |
| 1267 |
|
{{31, 9}, {0, 1, 6}}, |
| 1268 |
|
{{30, 9}, {0, 2, 3}}, |
| 1269 |
|
{{29, 9}, {0, 3, 3}}, |
| 1270 |
|
{{28, 9}, {0, 5, 2}}, |
| 1271 |
|
{{27, 9}, {0, 6, 2}}, |
| 1272 |
|
{{26, 9}, {0, 7, 2}}, |
| 1273 |
|
{{34, 11}, {0, 1, 8}}, |
| 1274 |
|
{{35, 11}, {0, 9, 2}}, |
| 1275 |
|
{{86, 12}, {0, 2, 5}}, |
| 1276 |
|
{{87, 12}, {0, 7, 3}}, |
| 1277 |
|
{{ 7, 4}, {1, 0, 1}}, |
| 1278 |
|
{{25, 9}, {0, 11, 1}}, |
| 1279 |
|
{{ 5, 11}, {1, 0, 6}}, |
| 1280 |
|
{{15, 6}, {1, 1, 1}}, |
| 1281 |
|
{{ 4, 11}, {1, 0, 7}}, |
| 1282 |
|
{{14, 6}, {1, 2, 1}}, |
| 1283 |
|
{{13, 6}, {0, 5, 1}}, |
| 1284 |
|
{{12, 6}, {1, 0, 2}}, |
| 1285 |
|
{{19, 7}, {1, 5, 1}}, |
| 1286 |
|
{{18, 7}, {0, 6, 1}}, |
| 1287 |
|
{{17, 7}, {1, 3, 1}}, |
| 1288 |
|
{{16, 7}, {1, 4, 1}}, |
| 1289 |
|
{{26, 8}, {1, 9, 1}}, |
| 1290 |
|
{{25, 8}, {0, 8, 1}}, |
| 1291 |
|
{{24, 8}, {0, 9, 1}}, |
| 1292 |
|
{{23, 8}, {0, 10, 1}}, |
| 1293 |
|
{{22, 8}, {1, 0, 3}}, |
| 1294 |
|
{{21, 8}, {1, 6, 1}}, |
| 1295 |
|
{{20, 8}, {1, 7, 1}}, |
| 1296 |
|
{{19, 8}, {1, 8, 1}}, |
| 1297 |
|
{{24, 9}, {0, 12, 1}}, |
| 1298 |
|
{{23, 9}, {1, 0, 4}}, |
| 1299 |
|
{{22, 9}, {1, 1, 2}}, |
| 1300 |
|
{{21, 9}, {1, 10, 1}}, |
| 1301 |
|
{{20, 9}, {1, 11, 1}}, |
| 1302 |
|
{{19, 9}, {1, 12, 1}}, |
| 1303 |
|
{{18, 9}, {1, 13, 1}}, |
| 1304 |
|
{{17, 9}, {1, 14, 1}}, |
| 1305 |
|
{{ 7, 10}, {0, 13, 1}}, |
| 1306 |
|
{{ 6, 10}, {1, 0, 5}}, |
| 1307 |
|
{{ 5, 10}, {1, 1, 3}}, |
| 1308 |
|
{{ 4, 10}, {1, 2, 2}}, |
| 1309 |
|
{{36, 11}, {1, 3, 2}}, |
| 1310 |
|
{{37, 11}, {1, 4, 2}}, |
| 1311 |
|
{{38, 11}, {1, 15, 1}}, |
| 1312 |
|
{{39, 11}, {1, 16, 1}}, |
| 1313 |
|
{{88, 12}, {0, 14, 1}}, |
| 1314 |
|
{{89, 12}, {1, 0, 8}}, |
| 1315 |
|
{{90, 12}, {1, 5, 2}}, |
| 1316 |
|
{{91, 12}, {1, 6, 2}}, |
| 1317 |
|
{{92, 12}, {1, 17, 1}}, |
| 1318 |
|
{{93, 12}, {1, 18, 1}}, |
| 1319 |
|
{{94, 12}, {1, 19, 1}}, |
| 1320 |
|
{{95, 12}, {1, 20, 1}} |
| 1321 |
|
} |
| 1322 |
|
}; |
| 1323 |
|
|
| 1324 |
|
/* constants taken from momusys/vm_common/inlcude/max_level.h */ |
| 1325 |
|
uint8_t const max_level[2][2][64] = { |
| 1326 |
|
{ |
| 1327 |
|
/* intra = 0, last = 0 */ |
| 1328 |
|
{ |
| 1329 |
|
12, 6, 4, 3, 3, 3, 3, 2, |
| 1330 |
|
2, 2, 2, 1, 1, 1, 1, 1, |
| 1331 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
| 1332 |
|
1, 1, 1, 0, 0, 0, 0, 0, |
| 1333 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1334 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1335 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1336 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
| 1337 |
|
}, |
| 1338 |
|
/* intra = 0, last = 1 */ |
| 1339 |
|
{ |
| 1340 |
|
3, 2, 1, 1, 1, 1, 1, 1, |
| 1341 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
| 1342 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
| 1343 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
| 1344 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
| 1345 |
|
1, 0, 0, 0, 0, 0, 0, 0, |
| 1346 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1347 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
| 1348 |
|
} |
| 1349 |
|
}, |
| 1350 |
|
{ |
| 1351 |
|
/* intra = 1, last = 0 */ |
| 1352 |
|
{ |
| 1353 |
|
27, 10, 5, 4, 3, 3, 3, 3, |
| 1354 |
|
2, 2, 1, 1, 1, 1, 1, 0, |
| 1355 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1356 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1357 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1358 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1359 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1360 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
| 1361 |
|
}, |
| 1362 |
|
/* intra = 1, last = 1 */ |
| 1363 |
|
{ |
| 1364 |
|
8, 3, 2, 2, 2, 2, 2, 1, |
| 1365 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
| 1366 |
|
1, 1, 1, 1, 1, 0, 0, 0, |
| 1367 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1368 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1369 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1370 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1371 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
| 1372 |
|
} |
| 1373 |
|
} |
| 1374 |
|
}; |
| 1375 |
|
|
| 1376 |
|
uint8_t const max_run[2][2][64] = { |
| 1377 |
|
{ |
| 1378 |
|
/* intra = 0, last = 0 */ |
| 1379 |
|
{ |
| 1380 |
|
0, 26, 10, 6, 2, 1, 1, 0, |
| 1381 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1382 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1383 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1384 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1385 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1386 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1387 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1388 |
|
}, |
| 1389 |
|
/* intra = 0, last = 1 */ |
| 1390 |
|
{ |
| 1391 |
|
0, 40, 1, 0, 0, 0, 0, 0, |
| 1392 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1393 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1394 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1395 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1396 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1397 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1398 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1399 |
|
} |
| 1400 |
|
}, |
| 1401 |
|
{ |
| 1402 |
|
/* intra = 1, last = 0 */ |
| 1403 |
|
{ |
| 1404 |
|
0, 14, 9, 7, 3, 2, 1, 1, |
| 1405 |
|
1, 1, 1, 0, 0, 0, 0, 0, |
| 1406 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1407 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1408 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1409 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1410 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1411 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1412 |
|
}, |
| 1413 |
|
/* intra = 1, last = 1 */ |
| 1414 |
|
{ |
| 1415 |
|
0, 20, 6, 1, 0, 0, 0, 0, |
| 1416 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1417 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1418 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1419 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1420 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1421 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1422 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
| 1423 |
|
} |
| 1424 |
|
} |
| 1425 |
|
}; |
| 1426 |
|
|
| 1427 |
|
/****************************************************************** |
| 1428 |
|
* encoder tables * |
| 1429 |
|
******************************************************************/ |
| 1430 |
|
|
| 1431 |
|
VLC sprite_trajectory_code[32768]; |
| 1432 |
|
|
| 1433 |
|
VLC sprite_trajectory_len[15] = { |
| 1434 |
|
{ 0x00 , 2}, |
| 1435 |
|
{ 0x02 , 3}, { 0x03, 3}, { 0x04, 3}, { 0x05, 3}, { 0x06, 3}, |
| 1436 |
|
{ 0x0E , 4}, { 0x1E, 5}, { 0x3E, 6}, { 0x7E, 7}, { 0xFE, 8}, |
| 1437 |
|
{ 0x1FE, 9}, {0x3FE,10}, {0x7FE,11}, {0xFFE,12} }; |
| 1438 |
|
|
| 1439 |
|
|
| 1440 |
|
/* DCT coefficients. Four tables, two for last = 0, two for last = 1. |
| 1441 |
|
the sign bit must be added afterwards. */ |
| 1442 |
|
|
| 1443 |
|
/* MCBPC Indexing by cbpc in first two bits, mode in last two. |
| 1444 |
|
CBPC as in table 4/H.263, MB type (mode): 3 = 01, 4 = 10. |
| 1445 |
|
Example: cbpc = 01 and mode = 4 gives index = 0110 = 6. */ |
| 1446 |
|
|
| 1447 |
|
VLC mcbpc_intra_tab[15] = { |
| 1448 |
|
{0x01, 9}, {0x01, 1}, {0x01, 4}, {0x00, 0}, |
| 1449 |
|
{0x00, 0}, {0x01, 3}, {0x01, 6}, {0x00, 0}, |
| 1450 |
|
{0x00, 0}, {0x02, 3}, {0x02, 6}, {0x00, 0}, |
| 1451 |
|
{0x00, 0}, {0x03, 3}, {0x03, 6} |
| 1452 |
|
}; |
| 1453 |
|
|
| 1454 |
|
/* MCBPC inter. |
| 1455 |
|
Addressing: 5 bit ccmmm (cc = CBPC, mmm = mode (1-4 binary)) */ |
| 1456 |
|
|
| 1457 |
|
VLC mcbpc_inter_tab[29] = { |
| 1458 |
|
{1, 1}, {3, 3}, {2, 3}, {3, 5}, {4, 6}, {1, 9}, {0, 0}, {0, 0}, |
| 1459 |
|
{3, 4}, {7, 7}, {5, 7}, {4, 8}, {4, 9}, {0, 0}, {0, 0}, {0, 0}, |
| 1460 |
|
{2, 4}, {6, 7}, {4, 7}, {3, 8}, {3, 9}, {0, 0}, {0, 0}, {0, 0}, |
| 1461 |
|
{5, 6}, {5, 9}, {5, 8}, {3, 7}, {2, 9} |
| 1462 |
|
}; |
| 1463 |
|
|
| 1464 |
|
const VLC xvid_cbpy_tab[16] = { |
| 1465 |
|
{3, 4}, {5, 5}, {4, 5}, {9, 4}, {3, 5}, {7, 4}, {2, 6}, {11, 4}, |
| 1466 |
|
{2, 5}, {3, 6}, {5, 4}, {10, 4}, {4, 4}, {8, 4}, {6, 4}, {3, 2} |
| 1467 |
|
}; |
| 1468 |
|
|
| 1469 |
|
const VLC dcy_tab[511] = { |
| 1470 |
|
{0x100, 15}, {0x101, 15}, {0x102, 15}, {0x103, 15}, |
| 1471 |
|
{0x104, 15}, {0x105, 15}, {0x106, 15}, {0x107, 15}, |
| 1472 |
|
{0x108, 15}, {0x109, 15}, {0x10a, 15}, {0x10b, 15}, |
| 1473 |
|
{0x10c, 15}, {0x10d, 15}, {0x10e, 15}, {0x10f, 15}, |
| 1474 |
|
{0x110, 15}, {0x111, 15}, {0x112, 15}, {0x113, 15}, |
| 1475 |
|
{0x114, 15}, {0x115, 15}, {0x116, 15}, {0x117, 15}, |
| 1476 |
|
{0x118, 15}, {0x119, 15}, {0x11a, 15}, {0x11b, 15}, |
| 1477 |
|
{0x11c, 15}, {0x11d, 15}, {0x11e, 15}, {0x11f, 15}, |
| 1478 |
|
{0x120, 15}, {0x121, 15}, {0x122, 15}, {0x123, 15}, |
| 1479 |
|
{0x124, 15}, {0x125, 15}, {0x126, 15}, {0x127, 15}, |
| 1480 |
|
{0x128, 15}, {0x129, 15}, {0x12a, 15}, {0x12b, 15}, |
| 1481 |
|
{0x12c, 15}, {0x12d, 15}, {0x12e, 15}, {0x12f, 15}, |
| 1482 |
|
{0x130, 15}, {0x131, 15}, {0x132, 15}, {0x133, 15}, |
| 1483 |
|
{0x134, 15}, {0x135, 15}, {0x136, 15}, {0x137, 15}, |
| 1484 |
|
{0x138, 15}, {0x139, 15}, {0x13a, 15}, {0x13b, 15}, |
| 1485 |
|
{0x13c, 15}, {0x13d, 15}, {0x13e, 15}, {0x13f, 15}, |
| 1486 |
|
{0x140, 15}, {0x141, 15}, {0x142, 15}, {0x143, 15}, |
| 1487 |
|
{0x144, 15}, {0x145, 15}, {0x146, 15}, {0x147, 15}, |
| 1488 |
|
{0x148, 15}, {0x149, 15}, {0x14a, 15}, {0x14b, 15}, |
| 1489 |
|
{0x14c, 15}, {0x14d, 15}, {0x14e, 15}, {0x14f, 15}, |
| 1490 |
|
{0x150, 15}, {0x151, 15}, {0x152, 15}, {0x153, 15}, |
| 1491 |
|
{0x154, 15}, {0x155, 15}, {0x156, 15}, {0x157, 15}, |
| 1492 |
|
{0x158, 15}, {0x159, 15}, {0x15a, 15}, {0x15b, 15}, |
| 1493 |
|
{0x15c, 15}, {0x15d, 15}, {0x15e, 15}, {0x15f, 15}, |
| 1494 |
|
{0x160, 15}, {0x161, 15}, {0x162, 15}, {0x163, 15}, |
| 1495 |
|
{0x164, 15}, {0x165, 15}, {0x166, 15}, {0x167, 15}, |
| 1496 |
|
{0x168, 15}, {0x169, 15}, {0x16a, 15}, {0x16b, 15}, |
| 1497 |
|
{0x16c, 15}, {0x16d, 15}, {0x16e, 15}, {0x16f, 15}, |
| 1498 |
|
{0x170, 15}, {0x171, 15}, {0x172, 15}, {0x173, 15}, |
| 1499 |
|
{0x174, 15}, {0x175, 15}, {0x176, 15}, {0x177, 15}, |
| 1500 |
|
{0x178, 15}, {0x179, 15}, {0x17a, 15}, {0x17b, 15}, |
| 1501 |
|
{0x17c, 15}, {0x17d, 15}, {0x17e, 15}, {0x17f, 15}, |
| 1502 |
|
{0x80, 13}, {0x81, 13}, {0x82, 13}, {0x83, 13}, |
| 1503 |
|
{0x84, 13}, {0x85, 13}, {0x86, 13}, {0x87, 13}, |
| 1504 |
|
{0x88, 13}, {0x89, 13}, {0x8a, 13}, {0x8b, 13}, |
| 1505 |
|
{0x8c, 13}, {0x8d, 13}, {0x8e, 13}, {0x8f, 13}, |
| 1506 |
|
{0x90, 13}, {0x91, 13}, {0x92, 13}, {0x93, 13}, |
| 1507 |
|
{0x94, 13}, {0x95, 13}, {0x96, 13}, {0x97, 13}, |
| 1508 |
|
{0x98, 13}, {0x99, 13}, {0x9a, 13}, {0x9b, 13}, |
| 1509 |
|
{0x9c, 13}, {0x9d, 13}, {0x9e, 13}, {0x9f, 13}, |
| 1510 |
|
{0xa0, 13}, {0xa1, 13}, {0xa2, 13}, {0xa3, 13}, |
| 1511 |
|
{0xa4, 13}, {0xa5, 13}, {0xa6, 13}, {0xa7, 13}, |
| 1512 |
|
{0xa8, 13}, {0xa9, 13}, {0xaa, 13}, {0xab, 13}, |
| 1513 |
|
{0xac, 13}, {0xad, 13}, {0xae, 13}, {0xaf, 13}, |
| 1514 |
|
{0xb0, 13}, {0xb1, 13}, {0xb2, 13}, {0xb3, 13}, |
| 1515 |
|
{0xb4, 13}, {0xb5, 13}, {0xb6, 13}, {0xb7, 13}, |
| 1516 |
|
{0xb8, 13}, {0xb9, 13}, {0xba, 13}, {0xbb, 13}, |
| 1517 |
|
{0xbc, 13}, {0xbd, 13}, {0xbe, 13}, {0xbf, 13}, |
| 1518 |
|
{0x40, 11}, {0x41, 11}, {0x42, 11}, {0x43, 11}, |
| 1519 |
|
{0x44, 11}, {0x45, 11}, {0x46, 11}, {0x47, 11}, |
| 1520 |
|
{0x48, 11}, {0x49, 11}, {0x4a, 11}, {0x4b, 11}, |
| 1521 |
|
{0x4c, 11}, {0x4d, 11}, {0x4e, 11}, {0x4f, 11}, |
| 1522 |
|
{0x50, 11}, {0x51, 11}, {0x52, 11}, {0x53, 11}, |
| 1523 |
|
{0x54, 11}, {0x55, 11}, {0x56, 11}, {0x57, 11}, |
| 1524 |
|
{0x58, 11}, {0x59, 11}, {0x5a, 11}, {0x5b, 11}, |
| 1525 |
|
{0x5c, 11}, {0x5d, 11}, {0x5e, 11}, {0x5f, 11}, |
| 1526 |
|
{0x20, 9}, {0x21, 9}, {0x22, 9}, {0x23, 9}, |
| 1527 |
|
{0x24, 9}, {0x25, 9}, {0x26, 9}, {0x27, 9}, |
| 1528 |
|
{0x28, 9}, {0x29, 9}, {0x2a, 9}, {0x2b, 9}, |
| 1529 |
|
{0x2c, 9}, {0x2d, 9}, {0x2e, 9}, {0x2f, 9}, |
| 1530 |
|
{0x10, 7}, {0x11, 7}, {0x12, 7}, {0x13, 7}, |
| 1531 |
|
{0x14, 7}, {0x15, 7}, {0x16, 7}, {0x17, 7}, |
| 1532 |
|
{0x10, 6}, {0x11, 6}, {0x12, 6}, {0x13, 6}, |
| 1533 |
|
{0x08, 4}, {0x09, 4}, {0x06, 3}, {0x03, 3}, |
| 1534 |
|
{0x07, 3}, {0x0a, 4}, {0x0b, 4}, {0x14, 6}, |
| 1535 |
|
{0x15, 6}, {0x16, 6}, {0x17, 6}, {0x18, 7}, |
| 1536 |
|
{0x19, 7}, {0x1a, 7}, {0x1b, 7}, {0x1c, 7}, |
| 1537 |
|
{0x1d, 7}, {0x1e, 7}, {0x1f, 7}, {0x30, 9}, |
| 1538 |
|
{0x31, 9}, {0x32, 9}, {0x33, 9}, {0x34, 9}, |
| 1539 |
|
{0x35, 9}, {0x36, 9}, {0x37, 9}, {0x38, 9}, |
| 1540 |
|
{0x39, 9}, {0x3a, 9}, {0x3b, 9}, {0x3c, 9}, |
| 1541 |
|
{0x3d, 9}, {0x3e, 9}, {0x3f, 9}, {0x60, 11}, |
| 1542 |
|
{0x61, 11}, {0x62, 11}, {0x63, 11}, {0x64, 11}, |
| 1543 |
|
{0x65, 11}, {0x66, 11}, {0x67, 11}, {0x68, 11}, |
| 1544 |
|
{0x69, 11}, {0x6a, 11}, {0x6b, 11}, {0x6c, 11}, |
| 1545 |
|
{0x6d, 11}, {0x6e, 11}, {0x6f, 11}, {0x70, 11}, |
| 1546 |
|
{0x71, 11}, {0x72, 11}, {0x73, 11}, {0x74, 11}, |
| 1547 |
|
{0x75, 11}, {0x76, 11}, {0x77, 11}, {0x78, 11}, |
| 1548 |
|
{0x79, 11}, {0x7a, 11}, {0x7b, 11}, {0x7c, 11}, |
| 1549 |
|
{0x7d, 11}, {0x7e, 11}, {0x7f, 11}, {0xc0, 13}, |
| 1550 |
|
{0xc1, 13}, {0xc2, 13}, {0xc3, 13}, {0xc4, 13}, |
| 1551 |
|
{0xc5, 13}, {0xc6, 13}, {0xc7, 13}, {0xc8, 13}, |
| 1552 |
|
{0xc9, 13}, {0xca, 13}, {0xcb, 13}, {0xcc, 13}, |
| 1553 |
|
{0xcd, 13}, {0xce, 13}, {0xcf, 13}, {0xd0, 13}, |
| 1554 |
|
{0xd1, 13}, {0xd2, 13}, {0xd3, 13}, {0xd4, 13}, |
| 1555 |
|
{0xd5, 13}, {0xd6, 13}, {0xd7, 13}, {0xd8, 13}, |
| 1556 |
|
{0xd9, 13}, {0xda, 13}, {0xdb, 13}, {0xdc, 13}, |
| 1557 |
|
{0xdd, 13}, {0xde, 13}, {0xdf, 13}, {0xe0, 13}, |
| 1558 |
|
{0xe1, 13}, {0xe2, 13}, {0xe3, 13}, {0xe4, 13}, |
| 1559 |
|
{0xe5, 13}, {0xe6, 13}, {0xe7, 13}, {0xe8, 13}, |
| 1560 |
|
{0xe9, 13}, {0xea, 13}, {0xeb, 13}, {0xec, 13}, |
| 1561 |
|
{0xed, 13}, {0xee, 13}, {0xef, 13}, {0xf0, 13}, |
| 1562 |
|
{0xf1, 13}, {0xf2, 13}, {0xf3, 13}, {0xf4, 13}, |
| 1563 |
|
{0xf5, 13}, {0xf6, 13}, {0xf7, 13}, {0xf8, 13}, |
| 1564 |
|
{0xf9, 13}, {0xfa, 13}, {0xfb, 13}, {0xfc, 13}, |
| 1565 |
|
{0xfd, 13}, {0xfe, 13}, {0xff, 13}, {0x180, 15}, |
| 1566 |
|
{0x181, 15}, {0x182, 15}, {0x183, 15}, {0x184, 15}, |
| 1567 |
|
{0x185, 15}, {0x186, 15}, {0x187, 15}, {0x188, 15}, |
| 1568 |
|
{0x189, 15}, {0x18a, 15}, {0x18b, 15}, {0x18c, 15}, |
| 1569 |
|
{0x18d, 15}, {0x18e, 15}, {0x18f, 15}, {0x190, 15}, |
| 1570 |
|
{0x191, 15}, {0x192, 15}, {0x193, 15}, {0x194, 15}, |
| 1571 |
|
{0x195, 15}, {0x196, 15}, {0x197, 15}, {0x198, 15}, |
| 1572 |
|
{0x199, 15}, {0x19a, 15}, {0x19b, 15}, {0x19c, 15}, |
| 1573 |
|
{0x19d, 15}, {0x19e, 15}, {0x19f, 15}, {0x1a0, 15}, |
| 1574 |
|
{0x1a1, 15}, {0x1a2, 15}, {0x1a3, 15}, {0x1a4, 15}, |
| 1575 |
|
{0x1a5, 15}, {0x1a6, 15}, {0x1a7, 15}, {0x1a8, 15}, |
| 1576 |
|
{0x1a9, 15}, {0x1aa, 15}, {0x1ab, 15}, {0x1ac, 15}, |
| 1577 |
|
{0x1ad, 15}, {0x1ae, 15}, {0x1af, 15}, {0x1b0, 15}, |
| 1578 |
|
{0x1b1, 15}, {0x1b2, 15}, {0x1b3, 15}, {0x1b4, 15}, |
| 1579 |
|
{0x1b5, 15}, {0x1b6, 15}, {0x1b7, 15}, {0x1b8, 15}, |
| 1580 |
|
{0x1b9, 15}, {0x1ba, 15}, {0x1bb, 15}, {0x1bc, 15}, |
| 1581 |
|
{0x1bd, 15}, {0x1be, 15}, {0x1bf, 15}, {0x1c0, 15}, |
| 1582 |
|
{0x1c1, 15}, {0x1c2, 15}, {0x1c3, 15}, {0x1c4, 15}, |
| 1583 |
|
{0x1c5, 15}, {0x1c6, 15}, {0x1c7, 15}, {0x1c8, 15}, |
| 1584 |
|
{0x1c9, 15}, {0x1ca, 15}, {0x1cb, 15}, {0x1cc, 15}, |
| 1585 |
|
{0x1cd, 15}, {0x1ce, 15}, {0x1cf, 15}, {0x1d0, 15}, |
| 1586 |
|
{0x1d1, 15}, {0x1d2, 15}, {0x1d3, 15}, {0x1d4, 15}, |
| 1587 |
|
{0x1d5, 15}, {0x1d6, 15}, {0x1d7, 15}, {0x1d8, 15}, |
| 1588 |
|
{0x1d9, 15}, {0x1da, 15}, {0x1db, 15}, {0x1dc, 15}, |
| 1589 |
|
{0x1dd, 15}, {0x1de, 15}, {0x1df, 15}, {0x1e0, 15}, |
| 1590 |
|
{0x1e1, 15}, {0x1e2, 15}, {0x1e3, 15}, {0x1e4, 15}, |
| 1591 |
|
{0x1e5, 15}, {0x1e6, 15}, {0x1e7, 15}, {0x1e8, 15}, |
| 1592 |
|
{0x1e9, 15}, {0x1ea, 15}, {0x1eb, 15}, {0x1ec, 15}, |
| 1593 |
|
{0x1ed, 15}, {0x1ee, 15}, {0x1ef, 15}, {0x1f0, 15}, |
| 1594 |
|
{0x1f1, 15}, {0x1f2, 15}, {0x1f3, 15}, {0x1f4, 15}, |
| 1595 |
|
{0x1f5, 15}, {0x1f6, 15}, {0x1f7, 15}, {0x1f8, 15}, |
| 1596 |
|
{0x1f9, 15}, {0x1fa, 15}, {0x1fb, 15}, {0x1fc, 15}, |
| 1597 |
|
{0x1fd, 15}, {0x1fe, 15}, {0x1ff, 15}, |
| 1598 |
|
}; |
| 1599 |
|
|
| 1600 |
|
const VLC dcc_tab[511] = { |
| 1601 |
|
{0x100, 16}, {0x101, 16}, {0x102, 16}, {0x103, 16}, |
| 1602 |
|
{0x104, 16}, {0x105, 16}, {0x106, 16}, {0x107, 16}, |
| 1603 |
|
{0x108, 16}, {0x109, 16}, {0x10a, 16}, {0x10b, 16}, |
| 1604 |
|
{0x10c, 16}, {0x10d, 16}, {0x10e, 16}, {0x10f, 16}, |
| 1605 |
|
{0x110, 16}, {0x111, 16}, {0x112, 16}, {0x113, 16}, |
| 1606 |
|
{0x114, 16}, {0x115, 16}, {0x116, 16}, {0x117, 16}, |
| 1607 |
|
{0x118, 16}, {0x119, 16}, {0x11a, 16}, {0x11b, 16}, |
| 1608 |
|
{0x11c, 16}, {0x11d, 16}, {0x11e, 16}, {0x11f, 16}, |
| 1609 |
|
{0x120, 16}, {0x121, 16}, {0x122, 16}, {0x123, 16}, |
| 1610 |
|
{0x124, 16}, {0x125, 16}, {0x126, 16}, {0x127, 16}, |
| 1611 |
|
{0x128, 16}, {0x129, 16}, {0x12a, 16}, {0x12b, 16}, |
| 1612 |
|
{0x12c, 16}, {0x12d, 16}, {0x12e, 16}, {0x12f, 16}, |
| 1613 |
|
{0x130, 16}, {0x131, 16}, {0x132, 16}, {0x133, 16}, |
| 1614 |
|
{0x134, 16}, {0x135, 16}, {0x136, 16}, {0x137, 16}, |
| 1615 |
|
{0x138, 16}, {0x139, 16}, {0x13a, 16}, {0x13b, 16}, |
| 1616 |
|
{0x13c, 16}, {0x13d, 16}, {0x13e, 16}, {0x13f, 16}, |
| 1617 |
|
{0x140, 16}, {0x141, 16}, {0x142, 16}, {0x143, 16}, |
| 1618 |
|
{0x144, 16}, {0x145, 16}, {0x146, 16}, {0x147, 16}, |
| 1619 |
|
{0x148, 16}, {0x149, 16}, {0x14a, 16}, {0x14b, 16}, |
| 1620 |
|
{0x14c, 16}, {0x14d, 16}, {0x14e, 16}, {0x14f, 16}, |
| 1621 |
|
{0x150, 16}, {0x151, 16}, {0x152, 16}, {0x153, 16}, |
| 1622 |
|
{0x154, 16}, {0x155, 16}, {0x156, 16}, {0x157, 16}, |
| 1623 |
|
{0x158, 16}, {0x159, 16}, {0x15a, 16}, {0x15b, 16}, |
| 1624 |
|
{0x15c, 16}, {0x15d, 16}, {0x15e, 16}, {0x15f, 16}, |
| 1625 |
|
{0x160, 16}, {0x161, 16}, {0x162, 16}, {0x163, 16}, |
| 1626 |
|
{0x164, 16}, {0x165, 16}, {0x166, 16}, {0x167, 16}, |
| 1627 |
|
{0x168, 16}, {0x169, 16}, {0x16a, 16}, {0x16b, 16}, |
| 1628 |
|
{0x16c, 16}, {0x16d, 16}, {0x16e, 16}, {0x16f, 16}, |
| 1629 |
|
{0x170, 16}, {0x171, 16}, {0x172, 16}, {0x173, 16}, |
| 1630 |
|
{0x174, 16}, {0x175, 16}, {0x176, 16}, {0x177, 16}, |
| 1631 |
|
{0x178, 16}, {0x179, 16}, {0x17a, 16}, {0x17b, 16}, |
| 1632 |
|
{0x17c, 16}, {0x17d, 16}, {0x17e, 16}, {0x17f, 16}, |
| 1633 |
|
{0x80, 14}, {0x81, 14}, {0x82, 14}, {0x83, 14}, |
| 1634 |
|
{0x84, 14}, {0x85, 14}, {0x86, 14}, {0x87, 14}, |
| 1635 |
|
{0x88, 14}, {0x89, 14}, {0x8a, 14}, {0x8b, 14}, |
| 1636 |
|
{0x8c, 14}, {0x8d, 14}, {0x8e, 14}, {0x8f, 14}, |
| 1637 |
|
{0x90, 14}, {0x91, 14}, {0x92, 14}, {0x93, 14}, |
| 1638 |
|
{0x94, 14}, {0x95, 14}, {0x96, 14}, {0x97, 14}, |
| 1639 |
|
{0x98, 14}, {0x99, 14}, {0x9a, 14}, {0x9b, 14}, |
| 1640 |
|
{0x9c, 14}, {0x9d, 14}, {0x9e, 14}, {0x9f, 14}, |
| 1641 |
|
{0xa0, 14}, {0xa1, 14}, {0xa2, 14}, {0xa3, 14}, |
| 1642 |
|
{0xa4, 14}, {0xa5, 14}, {0xa6, 14}, {0xa7, 14}, |
| 1643 |
|
{0xa8, 14}, {0xa9, 14}, {0xaa, 14}, {0xab, 14}, |
| 1644 |
|
{0xac, 14}, {0xad, 14}, {0xae, 14}, {0xaf, 14}, |
| 1645 |
|
{0xb0, 14}, {0xb1, 14}, {0xb2, 14}, {0xb3, 14}, |
| 1646 |
|
{0xb4, 14}, {0xb5, 14}, {0xb6, 14}, {0xb7, 14}, |
| 1647 |
|
{0xb8, 14}, {0xb9, 14}, {0xba, 14}, {0xbb, 14}, |
| 1648 |
|
{0xbc, 14}, {0xbd, 14}, {0xbe, 14}, {0xbf, 14}, |
| 1649 |
|
{0x40, 12}, {0x41, 12}, {0x42, 12}, {0x43, 12}, |
| 1650 |
|
{0x44, 12}, {0x45, 12}, {0x46, 12}, {0x47, 12}, |
| 1651 |
|
{0x48, 12}, {0x49, 12}, {0x4a, 12}, {0x4b, 12}, |
| 1652 |
|
{0x4c, 12}, {0x4d, 12}, {0x4e, 12}, {0x4f, 12}, |
| 1653 |
|
{0x50, 12}, {0x51, 12}, {0x52, 12}, {0x53, 12}, |
| 1654 |
|
{0x54, 12}, {0x55, 12}, {0x56, 12}, {0x57, 12}, |
| 1655 |
|
{0x58, 12}, {0x59, 12}, {0x5a, 12}, {0x5b, 12}, |
| 1656 |
|
{0x5c, 12}, {0x5d, 12}, {0x5e, 12}, {0x5f, 12}, |
| 1657 |
|
{0x20, 10}, {0x21, 10}, {0x22, 10}, {0x23, 10}, |
| 1658 |
|
{0x24, 10}, {0x25, 10}, {0x26, 10}, {0x27, 10}, |
| 1659 |
|
{0x28, 10}, {0x29, 10}, {0x2a, 10}, {0x2b, 10}, |
| 1660 |
|
{0x2c, 10}, {0x2d, 10}, {0x2e, 10}, {0x2f, 10}, |
| 1661 |
|
{0x10, 8}, {0x11, 8}, {0x12, 8}, {0x13, 8}, |
| 1662 |
|
{0x14, 8}, {0x15, 8}, {0x16, 8}, {0x17, 8}, |
| 1663 |
|
{0x08, 6}, {0x09, 6}, {0x0a, 6}, {0x0b, 6}, |
| 1664 |
|
{0x04, 4}, {0x05, 4}, {0x04, 3}, {0x03, 2}, |
| 1665 |
|
{0x05, 3}, {0x06, 4}, {0x07, 4}, {0x0c, 6}, |
| 1666 |
|
{0x0d, 6}, {0x0e, 6}, {0x0f, 6}, {0x18, 8}, |
| 1667 |
|
{0x19, 8}, {0x1a, 8}, {0x1b, 8}, {0x1c, 8}, |
| 1668 |
|
{0x1d, 8}, {0x1e, 8}, {0x1f, 8}, {0x30, 10}, |
| 1669 |
|
{0x31, 10}, {0x32, 10}, {0x33, 10}, {0x34, 10}, |
| 1670 |
|
{0x35, 10}, {0x36, 10}, {0x37, 10}, {0x38, 10}, |
| 1671 |
|
{0x39, 10}, {0x3a, 10}, {0x3b, 10}, {0x3c, 10}, |
| 1672 |
|
{0x3d, 10}, {0x3e, 10}, {0x3f, 10}, {0x60, 12}, |
| 1673 |
|
{0x61, 12}, {0x62, 12}, {0x63, 12}, {0x64, 12}, |
| 1674 |
|
{0x65, 12}, {0x66, 12}, {0x67, 12}, {0x68, 12}, |
| 1675 |
|
{0x69, 12}, {0x6a, 12}, {0x6b, 12}, {0x6c, 12}, |
| 1676 |
|
{0x6d, 12}, {0x6e, 12}, {0x6f, 12}, {0x70, 12}, |
| 1677 |
|
{0x71, 12}, {0x72, 12}, {0x73, 12}, {0x74, 12}, |
| 1678 |
|
{0x75, 12}, {0x76, 12}, {0x77, 12}, {0x78, 12}, |
| 1679 |
|
{0x79, 12}, {0x7a, 12}, {0x7b, 12}, {0x7c, 12}, |
| 1680 |
|
{0x7d, 12}, {0x7e, 12}, {0x7f, 12}, {0xc0, 14}, |
| 1681 |
|
{0xc1, 14}, {0xc2, 14}, {0xc3, 14}, {0xc4, 14}, |
| 1682 |
|
{0xc5, 14}, {0xc6, 14}, {0xc7, 14}, {0xc8, 14}, |
| 1683 |
|
{0xc9, 14}, {0xca, 14}, {0xcb, 14}, {0xcc, 14}, |
| 1684 |
|
{0xcd, 14}, {0xce, 14}, {0xcf, 14}, {0xd0, 14}, |
| 1685 |
|
{0xd1, 14}, {0xd2, 14}, {0xd3, 14}, {0xd4, 14}, |
| 1686 |
|
{0xd5, 14}, {0xd6, 14}, {0xd7, 14}, {0xd8, 14}, |
| 1687 |
|
{0xd9, 14}, {0xda, 14}, {0xdb, 14}, {0xdc, 14}, |
| 1688 |
|
{0xdd, 14}, {0xde, 14}, {0xdf, 14}, {0xe0, 14}, |
| 1689 |
|
{0xe1, 14}, {0xe2, 14}, {0xe3, 14}, {0xe4, 14}, |
| 1690 |
|
{0xe5, 14}, {0xe6, 14}, {0xe7, 14}, {0xe8, 14}, |
| 1691 |
|
{0xe9, 14}, {0xea, 14}, {0xeb, 14}, {0xec, 14}, |
| 1692 |
|
{0xed, 14}, {0xee, 14}, {0xef, 14}, {0xf0, 14}, |
| 1693 |
|
{0xf1, 14}, {0xf2, 14}, {0xf3, 14}, {0xf4, 14}, |
| 1694 |
|
{0xf5, 14}, {0xf6, 14}, {0xf7, 14}, {0xf8, 14}, |
| 1695 |
|
{0xf9, 14}, {0xfa, 14}, {0xfb, 14}, {0xfc, 14}, |
| 1696 |
|
{0xfd, 14}, {0xfe, 14}, {0xff, 14}, {0x180, 16}, |
| 1697 |
|
{0x181, 16}, {0x182, 16}, {0x183, 16}, {0x184, 16}, |
| 1698 |
|
{0x185, 16}, {0x186, 16}, {0x187, 16}, {0x188, 16}, |
| 1699 |
|
{0x189, 16}, {0x18a, 16}, {0x18b, 16}, {0x18c, 16}, |
| 1700 |
|
{0x18d, 16}, {0x18e, 16}, {0x18f, 16}, {0x190, 16}, |
| 1701 |
|
{0x191, 16}, {0x192, 16}, {0x193, 16}, {0x194, 16}, |
| 1702 |
|
{0x195, 16}, {0x196, 16}, {0x197, 16}, {0x198, 16}, |
| 1703 |
|
{0x199, 16}, {0x19a, 16}, {0x19b, 16}, {0x19c, 16}, |
| 1704 |
|
{0x19d, 16}, {0x19e, 16}, {0x19f, 16}, {0x1a0, 16}, |
| 1705 |
|
{0x1a1, 16}, {0x1a2, 16}, {0x1a3, 16}, {0x1a4, 16}, |
| 1706 |
|
{0x1a5, 16}, {0x1a6, 16}, {0x1a7, 16}, {0x1a8, 16}, |
| 1707 |
|
{0x1a9, 16}, {0x1aa, 16}, {0x1ab, 16}, {0x1ac, 16}, |
| 1708 |
|
{0x1ad, 16}, {0x1ae, 16}, {0x1af, 16}, {0x1b0, 16}, |
| 1709 |
|
{0x1b1, 16}, {0x1b2, 16}, {0x1b3, 16}, {0x1b4, 16}, |
| 1710 |
|
{0x1b5, 16}, {0x1b6, 16}, {0x1b7, 16}, {0x1b8, 16}, |
| 1711 |
|
{0x1b9, 16}, {0x1ba, 16}, {0x1bb, 16}, {0x1bc, 16}, |
| 1712 |
|
{0x1bd, 16}, {0x1be, 16}, {0x1bf, 16}, {0x1c0, 16}, |
| 1713 |
|
{0x1c1, 16}, {0x1c2, 16}, {0x1c3, 16}, {0x1c4, 16}, |
| 1714 |
|
{0x1c5, 16}, {0x1c6, 16}, {0x1c7, 16}, {0x1c8, 16}, |
| 1715 |
|
{0x1c9, 16}, {0x1ca, 16}, {0x1cb, 16}, {0x1cc, 16}, |
| 1716 |
|
{0x1cd, 16}, {0x1ce, 16}, {0x1cf, 16}, {0x1d0, 16}, |
| 1717 |
|
{0x1d1, 16}, {0x1d2, 16}, {0x1d3, 16}, {0x1d4, 16}, |
| 1718 |
|
{0x1d5, 16}, {0x1d6, 16}, {0x1d7, 16}, {0x1d8, 16}, |
| 1719 |
|
{0x1d9, 16}, {0x1da, 16}, {0x1db, 16}, {0x1dc, 16}, |
| 1720 |
|
{0x1dd, 16}, {0x1de, 16}, {0x1df, 16}, {0x1e0, 16}, |
| 1721 |
|
{0x1e1, 16}, {0x1e2, 16}, {0x1e3, 16}, {0x1e4, 16}, |
| 1722 |
|
{0x1e5, 16}, {0x1e6, 16}, {0x1e7, 16}, {0x1e8, 16}, |
| 1723 |
|
{0x1e9, 16}, {0x1ea, 16}, {0x1eb, 16}, {0x1ec, 16}, |
| 1724 |
|
{0x1ed, 16}, {0x1ee, 16}, {0x1ef, 16}, {0x1f0, 16}, |
| 1725 |
|
{0x1f1, 16}, {0x1f2, 16}, {0x1f3, 16}, {0x1f4, 16}, |
| 1726 |
|
{0x1f5, 16}, {0x1f6, 16}, {0x1f7, 16}, {0x1f8, 16}, |
| 1727 |
|
{0x1f9, 16}, {0x1fa, 16}, {0x1fb, 16}, {0x1fc, 16}, |
| 1728 |
|
{0x1fd, 16}, {0x1fe, 16}, {0x1ff, 16}, |
| 1729 |
|
}; |
| 1730 |
|
|
| 1731 |
|
|
| 1732 |
|
const VLC mb_motion_table[65] = { |
| 1733 |
|
{0x05, 13}, {0x07, 13}, {0x05, 12}, {0x07, 12}, |
| 1734 |
|
{0x09, 12}, {0x0b, 12}, {0x0d, 12}, {0x0f, 12}, |
| 1735 |
|
{0x09, 11}, {0x0b, 11}, {0x0d, 11}, {0x0f, 11}, |
| 1736 |
|
{0x11, 11}, {0x13, 11}, {0x15, 11}, {0x17, 11}, |
| 1737 |
|
{0x19, 11}, {0x1b, 11}, {0x1d, 11}, {0x1f, 11}, |
| 1738 |
|
{0x21, 11}, {0x23, 11}, {0x13, 10}, {0x15, 10}, |
| 1739 |
|
{0x17, 10}, {0x07, 8}, {0x09, 8}, {0x0b, 8}, |
| 1740 |
|
{0x07, 7}, {0x03, 5}, {0x03, 4}, {0x03, 3}, |
| 1741 |
|
{0x01, 1}, {0x02, 3}, {0x02, 4}, {0x02, 5}, |
| 1742 |
|
{0x06, 7}, {0x0a, 8}, {0x08, 8}, {0x06, 8}, |
| 1743 |
|
{0x16, 10}, {0x14, 10}, {0x12, 10}, {0x22, 11}, |
| 1744 |
|
{0x20, 11}, {0x1e, 11}, {0x1c, 11}, {0x1a, 11}, |
| 1745 |
|
{0x18, 11}, {0x16, 11}, {0x14, 11}, {0x12, 11}, |
| 1746 |
|
{0x10, 11}, {0x0e, 11}, {0x0c, 11}, {0x0a, 11}, |
| 1747 |
|
{0x08, 11}, {0x0e, 12}, {0x0c, 12}, {0x0a, 12}, |
| 1748 |
|
{0x08, 12}, {0x06, 12}, {0x04, 12}, {0x06, 13}, |
| 1749 |
|
{0x04, 13} |
| 1750 |
|
}; |
| 1751 |
|
|
| 1752 |
|
|
| 1753 |
|
/****************************************************************** |
| 1754 |
|
* decoder tables * |
| 1755 |
|
******************************************************************/ |
| 1756 |
|
|
| 1757 |
|
VLC const mcbpc_intra_table[64] = { |
| 1758 |
|
{-1, 0}, {20, 6}, {36, 6}, {52, 6}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, |
| 1759 |
|
{19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, |
| 1760 |
|
{35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, |
| 1761 |
|
{51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, |
| 1762 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
| 1763 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
| 1764 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
| 1765 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1} |
| 1766 |
|
}; |
| 1767 |
|
|
| 1768 |
|
VLC const mcbpc_inter_table[257] = { |
| 1769 |
|
{VLC_ERROR, 0}, {255, 9}, {52, 9}, {36, 9}, {20, 9}, {49, 9}, {35, 8}, {35, 8}, |
| 1770 |
|
{19, 8}, {19, 8}, {50, 8}, {50, 8}, {51, 7}, {51, 7}, {51, 7}, {51, 7}, |
| 1771 |
|
{34, 7}, {34, 7}, {34, 7}, {34, 7}, {18, 7}, {18, 7}, {18, 7}, {18, 7}, |
| 1772 |
|
{33, 7}, {33, 7}, {33, 7}, {33, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, |
| 1773 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, |
| 1774 |
|
{48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, |
| 1775 |
|
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
| 1776 |
|
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
| 1777 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
| 1778 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
| 1779 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
| 1780 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
| 1781 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
| 1782 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
| 1783 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
| 1784 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
| 1785 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1786 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1787 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1788 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1789 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1790 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1791 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1792 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
| 1793 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1794 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1795 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1796 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1797 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1798 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1799 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1800 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
| 1801 |
|
{0, 1} |
| 1802 |
|
}; |
| 1803 |
|
|
| 1804 |
|
VLC const cbpy_table[64] = { |
| 1805 |
|
{-1, 0}, {-1, 0}, {6, 6}, {9, 6}, {8, 5}, {8, 5}, {4, 5}, {4, 5}, |
| 1806 |
|
{2, 5}, {2, 5}, {1, 5}, {1, 5}, {0, 4}, {0, 4}, {0, 4}, {0, 4}, |
| 1807 |
|
{12, 4}, {12, 4}, {12, 4}, {12, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, |
| 1808 |
|
{14, 4}, {14, 4}, {14, 4}, {14, 4}, {5, 4}, {5, 4}, {5, 4}, {5, 4}, |
| 1809 |
|
{13, 4}, {13, 4}, {13, 4}, {13, 4}, {3, 4}, {3, 4}, {3, 4}, {3, 4}, |
| 1810 |
|
{11, 4}, {11, 4}, {11, 4}, {11, 4}, {7, 4}, {7, 4}, {7, 4}, {7, 4}, |
| 1811 |
|
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, |
| 1812 |
|
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2} |
| 1813 |
|
}; |
| 1814 |
|
|
| 1815 |
|
VLC const TMNMVtab0[] = { |
| 1816 |
|
{3, 4}, {-3, 4}, {2, 3}, {2, 3}, {-2, 3}, {-2, 3}, {1, 2}, |
| 1817 |
|
{1, 2}, {1, 2}, {1, 2}, {-1, 2}, {-1, 2}, {-1, 2}, {-1, 2} |
| 1818 |
|
}; |
| 1819 |
|
|
| 1820 |
|
VLC const TMNMVtab1[] = { |
| 1821 |
|
{12, 10}, {-12, 10}, {11, 10}, {-11, 10}, |
| 1822 |
|
{10, 9}, {10, 9}, {-10, 9}, {-10, 9}, |
| 1823 |
|
{9, 9}, {9, 9}, {-9, 9}, {-9, 9}, |
| 1824 |
|
{8, 9}, {8, 9}, {-8, 9}, {-8, 9}, |
| 1825 |
|
{7, 7}, {7, 7}, {7, 7}, {7, 7}, |
| 1826 |
|
{7, 7}, {7, 7}, {7, 7}, {7, 7}, |
| 1827 |
|
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
| 1828 |
|
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
| 1829 |
|
{6, 7}, {6, 7}, {6, 7}, {6, 7}, |
| 1830 |
|
{6, 7}, {6, 7}, {6, 7}, {6, 7}, |
| 1831 |
|
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, |
| 1832 |
|
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, |
| 1833 |
|
{5, 7}, {5, 7}, {5, 7}, {5, 7}, |
| 1834 |
|
{5, 7}, {5, 7}, {5, 7}, {5, 7}, |
| 1835 |
|
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, |
| 1836 |
|
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, |
| 1837 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
| 1838 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
| 1839 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
| 1840 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
| 1841 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
| 1842 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
| 1843 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
| 1844 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6} |
| 1845 |
|
}; |
| 1846 |
|
|
| 1847 |
|
VLC const TMNMVtab2[] = { |
| 1848 |
|
{32, 12}, {-32, 12}, {31, 12}, {-31, 12}, |
| 1849 |
|
{30, 11}, {30, 11}, {-30, 11}, {-30, 11}, |
| 1850 |
|
{29, 11}, {29, 11}, {-29, 11}, {-29, 11}, |
| 1851 |
|
{28, 11}, {28, 11}, {-28, 11}, {-28, 11}, |
| 1852 |
|
{27, 11}, {27, 11}, {-27, 11}, {-27, 11}, |
| 1853 |
|
{26, 11}, {26, 11}, {-26, 11}, {-26, 11}, |
| 1854 |
|
{25, 11}, {25, 11}, {-25, 11}, {-25, 11}, |
| 1855 |
|
{24, 10}, {24, 10}, {24, 10}, {24, 10}, |
| 1856 |
|
{-24, 10}, {-24, 10}, {-24, 10}, {-24, 10}, |
| 1857 |
|
{23, 10}, {23, 10}, {23, 10}, {23, 10}, |
| 1858 |
|
{-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, |
| 1859 |
|
{22, 10}, {22, 10}, {22, 10}, {22, 10}, |
| 1860 |
|
{-22, 10}, {-22, 10}, {-22, 10}, {-22, 10}, |
| 1861 |
|
{21, 10}, {21, 10}, {21, 10}, {21, 10}, |
| 1862 |
|
{-21, 10}, {-21, 10}, {-21, 10}, {-21, 10}, |
| 1863 |
|
{20, 10}, {20, 10}, {20, 10}, {20, 10}, |
| 1864 |
|
{-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, |
| 1865 |
|
{19, 10}, {19, 10}, {19, 10}, {19, 10}, |
| 1866 |
|
{-19, 10}, {-19, 10}, {-19, 10}, {-19, 10}, |
| 1867 |
|
{18, 10}, {18, 10}, {18, 10}, {18, 10}, |
| 1868 |
|
{-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, |
| 1869 |
|
{17, 10}, {17, 10}, {17, 10}, {17, 10}, |
| 1870 |
|
{-17, 10}, {-17, 10}, {-17, 10}, {-17, 10}, |
| 1871 |
|
{16, 10}, {16, 10}, {16, 10}, {16, 10}, |
| 1872 |
|
{-16, 10}, {-16, 10}, {-16, 10}, {-16, 10}, |
| 1873 |
|
{15, 10}, {15, 10}, {15, 10}, {15, 10}, |
| 1874 |
|
{-15, 10}, {-15, 10}, {-15, 10}, {-15, 10}, |
| 1875 |
|
{14, 10}, {14, 10}, {14, 10}, {14, 10}, |
| 1876 |
|
{-14, 10}, {-14, 10}, {-14, 10}, {-14, 10}, |
| 1877 |
|
{13, 10}, {13, 10}, {13, 10}, {13, 10}, |
| 1878 |
|
{-13, 10}, {-13, 10}, {-13, 10}, {-13, 10} |
| 1879 |
|
}; |
| 1880 |
|
|
| 1881 |
|
short const dc_threshold[] = { |
| 1882 |
|
21514, 26984, 8307, 28531, 29798, 24951, 25970, 26912, |
| 1883 |
|
8307, 25956, 26994, 25974, 8292, 29286, 28015, 29728, |
| 1884 |
|
25960, 18208, 21838, 18208, 19536, 22560, 26998, 8260, |
| 1885 |
|
28515, 25956, 8291, 25640, 30309, 27749, 11817, 22794, |
| 1886 |
|
30063, 8306, 28531, 29798, 24951, 25970, 25632, 29545, |
| 1887 |
|
29300, 25193, 29813, 29295, 26656, 29537, 29728, 8303, |
| 1888 |
|
26983, 25974, 24864, 25443, 29541, 8307, 28532, 26912, |
| 1889 |
|
29556, 29472, 30063, 25458, 8293, 28515, 25956, 2606 |
| 1890 |
|
}; |
| 1891 |
|
|
| 1892 |
|
VLC const dc_lum_tab[] = { |
| 1893 |
|
{0, 0}, {4, 3}, {3, 3}, {0, 3}, |
| 1894 |
|
{2, 2}, {2, 2}, {1, 2}, {1, 2}, |
| 1895 |
|
}; |
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