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/***************************************************************************** |
/****************************************************************************** |
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* |
* * |
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* XVID MPEG-4 VIDEO CODEC |
* This file is part of XviD, a free MPEG-4 video encoder/decoder * |
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* - Vector Length Coding tables - |
* * |
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* |
* XviD is an implementation of a part of one or more MPEG-4 Video tools * |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
* as specified in ISO/IEC 14496-2 standard. Those intending to use this * |
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* |
* software module in hardware or software products are advised that its * |
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* |
* use may infringe existing patents or copyrights, and any such use * |
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* This program is an implementation of a part of one or more MPEG-4 |
* would be at such party's own risk. The original developer of this * |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
* software module and his/her company, and subsequent editors and their * |
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* to use this software module in hardware or software products are |
* companies, will have no liability for use of this software or * |
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* advised that its use may infringe existing patents or copyrights, and |
* modifications or derivatives thereof. * |
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* any such use would be at such party's own risk. The original |
* * |
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* developer of this software module and his/her company, and subsequent |
* XviD is free software; you can redistribute it and/or modify it * |
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* editors and their companies, will have no liability for use of this |
* under the terms of the GNU General Public License as published by * |
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* software or modifications or derivatives thereof. |
* 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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* 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 |
* XviD is distributed in the hope that it will be useful, but * |
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* the Free Software Foundation; either version 2 of the License, or |
* WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* (at your option) any later version. |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* |
* GNU General Public License for more details. * |
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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 |
* You should have received a copy of the GNU General Public License * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
* along with this program; if not, write to the Free Software * |
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* GNU General Public License for more details. |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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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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* |
* * |
32 |
* $Id$ |
* mbcoding.c * |
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* |
* * |
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****************************************************************************/ |
* Copyright (C) 2002 - Michael Militzer <isibaar@xvid.org> * |
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* * |
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* For more information visit the XviD homepage: http://www.xvid.org * |
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* * |
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******************************************************************************/ |
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/****************************************************************************** |
41 |
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* * |
42 |
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* Revision history: * |
43 |
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* * |
44 |
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* 28.10.2002 GMC support - gruel * |
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* 28.06.2002 added check_resync_marker() * |
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* 14.04.2002 bframe encoding * |
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* 08.03.2002 initial version; isibaar * |
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* * |
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******************************************************************************/ |
50 |
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51 |
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52 |
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#include <stdio.h> |
53 |
#include <stdlib.h> |
#include <stdlib.h> |
54 |
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#include <string.h> |
55 |
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56 |
#include "../portab.h" |
#include "../portab.h" |
57 |
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#include "../global.h" |
58 |
#include "bitstream.h" |
#include "bitstream.h" |
59 |
#include "zigzag.h" |
#include "zigzag.h" |
60 |
#include "vlc_codes.h" |
#include "vlc_codes.h" |
62 |
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|
63 |
#include "../utils/mbfunctions.h" |
#include "../utils/mbfunctions.h" |
64 |
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|
65 |
#define ABS(X) (((X)>0)?(X):-(X)) |
/* #define BIGLUT */ |
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#define CLIP(X,A) (X > A) ? (A) : (X) |
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66 |
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67 |
/***************************************************************************** |
#ifdef BIGLUT |
68 |
* Local data |
#define LEVELOFFSET 2048 |
69 |
****************************************************************************/ |
#else |
70 |
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#define LEVELOFFSET 32 |
71 |
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#endif |
72 |
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|
73 |
static VLC intra_table[524032]; |
static REVERSE_EVENT DCT3D[2][4096]; |
|
static VLC inter_table[524032]; |
|
74 |
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|
75 |
static VLC DCT3Dintra[4096]; |
#ifdef BIGLUT |
76 |
static VLC DCT3Dinter[4096]; |
static VLC coeff_VLC[2][2][4096][64]; |
77 |
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VLC *intra_table; |
78 |
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static VLC *inter_table; |
79 |
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#else |
80 |
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static VLC coeff_VLC[2][2][64][64]; |
81 |
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#endif |
82 |
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83 |
/***************************************************************************** |
/* not really MB related, but VLCs are only available here */ |
84 |
* Functions |
void bs_put_spritetrajectory(Bitstream * bs, const int val) |
85 |
****************************************************************************/ |
{ |
86 |
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const int code = sprite_trajectory_code[val+16384].code; |
87 |
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const int len = sprite_trajectory_code[val+16384].len; |
88 |
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const int code2 = sprite_trajectory_len[len].code; |
89 |
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const int len2 = sprite_trajectory_len[len].len; |
90 |
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|
91 |
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// printf("GMC=%d Code/Len = %d / %d ",val, code,len); |
92 |
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// printf("Code2 / Len2 = %d / %d \n",code2,len2); |
93 |
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|
94 |
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BitstreamPutBits(bs, code2, len2); |
95 |
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if (len) BitstreamPutBits(bs, code, len); |
96 |
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} |
97 |
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|
98 |
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int bs_get_spritetrajectory(Bitstream * bs) |
99 |
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{ |
100 |
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int i; |
101 |
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for (i = 0; i < 12; i++) |
102 |
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{ |
103 |
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if (BitstreamShowBits(bs, sprite_trajectory_len[i].len) == sprite_trajectory_len[i].code) |
104 |
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{ |
105 |
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BitstreamSkip(bs, sprite_trajectory_len[i].len); |
106 |
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return i; |
107 |
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} |
108 |
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} |
109 |
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return -1; |
110 |
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} |
111 |
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112 |
void |
void |
113 |
init_vlc_tables(void) |
init_vlc_tables(void) |
114 |
{ |
{ |
115 |
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uint32_t i, j, k, intra, last, run, run_esc, level, level_esc, escape, escape_len, offset; |
116 |
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int32_t l; |
117 |
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|
118 |
int32_t k, l, i, intra, last; |
#ifdef BIGLUT |
119 |
VLC *vlc[2]; |
intra_table = coeff_VLC[1]; |
120 |
VLC **coeff_ptr; |
inter_table = coeff_VLC[0]; |
121 |
VLC *vlc1, *vlc2; |
#endif |
|
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|
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vlc1 = DCT3Dintra; |
|
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vlc2 = DCT3Dinter; |
|
122 |
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|
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vlc[0] = intra_table; |
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vlc[1] = inter_table; |
|
123 |
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|
124 |
/* |
for (intra = 0; intra < 2; intra++) |
125 |
* Generate encoding vlc lookup tables |
for (i = 0; i < 4096; i++) |
126 |
* the lookup table idea is taken from the excellent fame project |
DCT3D[intra][i].event.level = 0; |
|
* by Vivien Chapellier |
|
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*/ |
|
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for (i = 0; i < 4; i++) { |
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intra = i % 2; |
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last = i / 2; |
|
127 |
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|
128 |
coeff_ptr = coeff_vlc[last + 2 * intra]; |
for (intra = 0; intra < 2; intra++) |
129 |
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for (last = 0; last < 2; last++) |
130 |
|
{ |
131 |
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for (run = 0; run < 63 + last; run++) |
132 |
|
for (level = 0; level < (uint32_t)(32 << intra); level++) |
133 |
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{ |
134 |
|
#ifdef BIGLUT |
135 |
|
offset = LEVELOFFSET; |
136 |
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#else |
137 |
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offset = !intra * LEVELOFFSET; |
138 |
|
#endif |
139 |
|
coeff_VLC[intra][last][level + offset][run].len = 128; |
140 |
|
} |
141 |
|
} |
142 |
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|
143 |
for (k = -2047; k < 2048; k++) { // level |
for (intra = 0; intra < 2; intra++) |
144 |
int8_t *max_level_ptr = max_level[last + 2 * intra]; |
for (i = 0; i < 102; i++) |
145 |
int8_t *max_run_ptr = max_run[last + 2 * intra]; |
{ |
146 |
|
#ifdef BIGLUT |
147 |
|
offset = LEVELOFFSET; |
148 |
|
#else |
149 |
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offset = !intra * LEVELOFFSET; |
150 |
|
#endif |
151 |
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for (j = 0; j < (uint32_t)(1 << (12 - coeff_tab[intra][i].vlc.len)); j++) |
152 |
|
{ |
153 |
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DCT3D[intra][(coeff_tab[intra][i].vlc.code << (12 - coeff_tab[intra][i].vlc.len)) | j].len = coeff_tab[intra][i].vlc.len; |
154 |
|
DCT3D[intra][(coeff_tab[intra][i].vlc.code << (12 - coeff_tab[intra][i].vlc.len)) | j].event = coeff_tab[intra][i].event; |
155 |
|
} |
156 |
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|
157 |
for (l = 0; l < 64; l++) { // run |
coeff_VLC[intra][coeff_tab[intra][i].event.last][coeff_tab[intra][i].event.level + offset][coeff_tab[intra][i].event.run].code |
158 |
int32_t level = k; |
= coeff_tab[intra][i].vlc.code << 1; |
159 |
ptr_t run = l; |
coeff_VLC[intra][coeff_tab[intra][i].event.last][coeff_tab[intra][i].event.level + offset][coeff_tab[intra][i].event.run].len |
160 |
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= coeff_tab[intra][i].vlc.len + 1; |
161 |
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#ifndef BIGLUT |
162 |
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if (!intra) |
163 |
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#endif |
164 |
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{ |
165 |
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coeff_VLC[intra][coeff_tab[intra][i].event.last][offset - coeff_tab[intra][i].event.level][coeff_tab[intra][i].event.run].code |
166 |
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= (coeff_tab[intra][i].vlc.code << 1) | 1; |
167 |
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coeff_VLC[intra][coeff_tab[intra][i].event.last][offset - coeff_tab[intra][i].event.level][coeff_tab[intra][i].event.run].len |
168 |
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= coeff_tab[intra][i].vlc.len + 1; |
169 |
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} |
170 |
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} |
171 |
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172 |
if ((abs(level) <= max_level_ptr[run]) && (run <= (uint32_t) max_run_ptr[abs(level)])) { // level < max_level and run < max_run |
for (intra = 0; intra < 2; intra++) |
173 |
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for (last = 0; last < 2; last++) |
174 |
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for (run = 0; run < 63 + last; run++) |
175 |
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{ |
176 |
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for (level = 1; level < (uint32_t)(32 << intra); level++) |
177 |
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{ |
178 |
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if (level <= max_level[intra][last][run] && run <= max_run[intra][last][level]) |
179 |
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continue; |
180 |
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|
181 |
vlc[intra]->code = 0; |
#ifdef BIGLUT |
182 |
vlc[intra]->len = 0; |
offset = LEVELOFFSET; |
183 |
goto loop_end; |
#else |
184 |
} else { |
offset = !intra * LEVELOFFSET; |
185 |
if (level > 0) // correct level |
#endif |
186 |
level -= max_level_ptr[run]; |
level_esc = level - max_level[intra][last][run]; |
187 |
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run_esc = run - 1 - max_run[intra][last][level]; |
188 |
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/*use this test to use shorter esc2 codes when possible |
189 |
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if (level_esc <= max_level[intra][last][run] && run <= max_run[intra][last][level_esc] |
190 |
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&& !(coeff_VLC[intra][last][level_esc + offset][run].len + 7 + 1 |
191 |
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> coeff_VLC[intra][last][level + offset][run_esc].code + 7 + 2))*/ |
192 |
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193 |
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if (level_esc <= max_level[intra][last][run] && run <= max_run[intra][last][level_esc]) |
194 |
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{ |
195 |
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escape = ESCAPE1; |
196 |
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escape_len = 7 + 1; |
197 |
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run_esc = run; |
198 |
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} |
199 |
else |
else |
200 |
level += max_level_ptr[run]; |
{ |
201 |
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if (run_esc <= max_run[intra][last][level] && level <= max_level[intra][last][run_esc]) |
202 |
if ((abs(level) <= max_level_ptr[run]) && |
{ |
203 |
(run <= (uint32_t) max_run_ptr[abs(level)])) { |
escape = ESCAPE2; |
204 |
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escape_len = 7 + 2; |
205 |
vlc[intra]->code = 0x06; |
level_esc = level; |
|
vlc[intra]->len = 8; |
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goto loop_end; |
|
206 |
} |
} |
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if (level > 0) // still here? |
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level += max_level_ptr[run]; // restore level |
|
207 |
else |
else |
208 |
level -= max_level_ptr[run]; |
{ |
209 |
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#ifndef BIGLUT |
210 |
run -= max_run_ptr[abs(level)] + 1; // and change run |
if (!intra) |
211 |
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#endif |
212 |
if ((abs(level) <= max_level_ptr[run]) && |
{ |
213 |
(run <= (uint32_t) max_run_ptr[abs(level)])) { |
coeff_VLC[intra][last][level + offset][run].code |
214 |
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= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((level & 0xfff) << 1) | 1; |
215 |
vlc[intra]->code = 0x0e; |
coeff_VLC[intra][last][level + offset][run].len = 30; |
216 |
vlc[intra]->len = 9; |
coeff_VLC[intra][last][offset - level][run].code |
217 |
goto loop_end; |
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-(int32_t)level & 0xfff) << 1) | 1; |
218 |
|
coeff_VLC[intra][last][offset - level][run].len = 30; |
219 |
|
} |
220 |
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continue; |
221 |
} |
} |
|
run += max_run_ptr[abs(level)] + 1; |
|
222 |
} |
} |
223 |
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|
224 |
vlc[intra]->code = |
coeff_VLC[intra][last][level + offset][run].code |
225 |
(uint32_t) ((l << 14) | (0x1e + last) << 20) | (1 << 13) | |
= (escape << coeff_VLC[intra][last][level_esc + offset][run_esc].len) |
226 |
((k & 0xfff) << 1) | 1; |
| coeff_VLC[intra][last][level_esc + offset][run_esc].code; |
227 |
|
coeff_VLC[intra][last][level + offset][run].len |
228 |
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= coeff_VLC[intra][last][level_esc + offset][run_esc].len + escape_len; |
229 |
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#ifndef BIGLUT |
230 |
|
if (!intra) |
231 |
|
#endif |
232 |
|
{ |
233 |
|
coeff_VLC[intra][last][offset - level][run].code |
234 |
|
= (escape << coeff_VLC[intra][last][level_esc + offset][run_esc].len) |
235 |
|
| coeff_VLC[intra][last][level_esc + offset][run_esc].code | 1; |
236 |
|
coeff_VLC[intra][last][offset - level][run].len |
237 |
|
= coeff_VLC[intra][last][level_esc + offset][run_esc].len + escape_len; |
238 |
|
} |
239 |
|
} |
240 |
|
|
241 |
vlc[intra]->len = 30; |
#ifdef BIGLUT |
242 |
vlc[intra]++; |
for (level = 32 << intra; level < 2048; level++) |
243 |
continue; |
{ |
244 |
|
coeff_VLC[intra][last][level + offset][run].code |
245 |
|
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((level & 0xfff) << 1) | 1; |
246 |
|
coeff_VLC[intra][last][level + offset][run].len = 30; |
247 |
|
|
248 |
loop_end: |
coeff_VLC[intra][last][offset - level][run].code |
249 |
if (level != 0) { |
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-level & 0xfff) << 1) | 1; |
250 |
vlc[intra]->code = |
coeff_VLC[intra][last][offset - level][run].len = 30; |
|
(vlc[intra]-> |
|
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code << (coeff_ptr[run][abs(level) - 1].len + |
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1)) | (coeff_ptr[run][abs(level) - |
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1].code << 1); |
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vlc[intra]->len = |
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(coeff_ptr[run][abs(level) - 1].len + 1) + |
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vlc[intra]->len; |
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|
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if (level < 0) |
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vlc[intra]->code += 1; |
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} |
|
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|
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vlc[intra]++; |
|
251 |
} |
} |
252 |
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#else |
253 |
|
if (!intra) |
254 |
|
{ |
255 |
|
coeff_VLC[intra][last][0][run].code |
256 |
|
= (ESCAPE3 << 21) | (last << 20) | (run << 14) | (1 << 13) | ((-32 & 0xfff) << 1) | 1; |
257 |
|
coeff_VLC[intra][last][0][run].len = 30; |
258 |
} |
} |
259 |
|
#endif |
260 |
} |
} |
261 |
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/* init sprite_trajectory tables */ |
262 |
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/* even if GMC is not specified (it might be used later...) */ |
263 |
|
|
264 |
for (i = 0; i < 4096; i++) { |
sprite_trajectory_code[0+16384].code = 0; |
265 |
if (i >= 512) { |
sprite_trajectory_code[0+16384].len = 0; |
266 |
*vlc1 = DCT3Dtab3[(i >> 5) - 16]; |
for (k=0;k<14;k++) |
267 |
*vlc2 = DCT3Dtab0[(i >> 5) - 16]; |
{ |
268 |
} else if (i >= 128) { |
int limit = (1<<k); |
|
*vlc1 = DCT3Dtab4[(i >> 2) - 32]; |
|
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*vlc2 = DCT3Dtab1[(i >> 2) - 32]; |
|
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} else if (i >= 8) { |
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*vlc1 = DCT3Dtab5[i - 8]; |
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*vlc2 = DCT3Dtab2[i - 8]; |
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} else { |
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*vlc1 = ERRtab[i]; |
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*vlc2 = ERRtab[i]; |
|
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} |
|
269 |
|
|
270 |
vlc1++; |
for (l=-(2*limit-1); l <= -limit; l++) |
271 |
vlc2++; |
{ |
272 |
|
sprite_trajectory_code[l+16384].code = (2*limit-1)+l; |
273 |
|
sprite_trajectory_code[l+16384].len = k+1; |
274 |
} |
} |
|
DCT3D[0] = DCT3Dinter; |
|
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DCT3D[1] = DCT3Dintra; |
|
275 |
|
|
276 |
|
for (l=limit; l<= 2*limit-1; l++) |
277 |
|
{ |
278 |
|
sprite_trajectory_code[l+16384].code = l; |
279 |
|
sprite_trajectory_code[l+16384].len = k+1; |
280 |
|
} |
281 |
|
} |
282 |
} |
} |
283 |
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|
284 |
static __inline void |
static __inline void |
336 |
|
|
337 |
} |
} |
338 |
|
|
339 |
|
#ifdef BIGLUT |
340 |
|
|
341 |
static __inline void |
static __inline void |
342 |
CodeCoeff(Bitstream * bs, |
CodeCoeff(Bitstream * bs, |
357 |
j++; |
j++; |
358 |
|
|
359 |
do { |
do { |
360 |
vlc = table + 64 * 2047 + (v << 6) + j - last; |
vlc = table + 64 * 2048 + (v << 6) + j - last; |
361 |
last = ++j; |
last = ++j; |
362 |
|
|
363 |
// count zeroes |
/* count zeroes */ |
364 |
while (j < 64 && (v = qcoeff[zigzag[j]]) == 0) |
while (j < 64 && (v = qcoeff[zigzag[j]]) == 0) |
365 |
j++; |
j++; |
366 |
|
|
367 |
// write code |
/* write code */ |
368 |
if (j != 64) { |
if (j != 64) { |
369 |
BitstreamPutBits(bs, vlc->code, vlc->len); |
BitstreamPutBits(bs, vlc->code, vlc->len); |
370 |
} else { |
} else { |
371 |
vlc += 64 * 4095; |
vlc += 64 * 4096; |
372 |
BitstreamPutBits(bs, vlc->code, vlc->len); |
BitstreamPutBits(bs, vlc->code, vlc->len); |
373 |
break; |
break; |
374 |
} |
} |
377 |
} |
} |
378 |
|
|
379 |
|
|
380 |
static void |
|
381 |
CodeBlockIntra(const FRAMEINFO * frame, |
/* returns the number of bits required to encode qcoeff */ |
382 |
|
int |
383 |
|
CodeCoeff_CalcBits(const int16_t qcoeff[64], |
384 |
|
VLC * table, |
385 |
|
const uint16_t * zigzag, |
386 |
|
uint16_t intra) |
387 |
|
{ |
388 |
|
int bits = 0; |
389 |
|
uint32_t j, last; |
390 |
|
short v; |
391 |
|
VLC *vlc; |
392 |
|
|
393 |
|
j = intra; |
394 |
|
last = intra; |
395 |
|
|
396 |
|
while (j < 64 && (v = qcoeff[zigzag[j]]) == 0) |
397 |
|
j++; |
398 |
|
|
399 |
|
if (j >= 64) return 0; /* empty block */ |
400 |
|
|
401 |
|
do { |
402 |
|
vlc = table + 64 * 2048 + (v << 6) + j - last; |
403 |
|
last = ++j; |
404 |
|
|
405 |
|
/* count zeroes */ |
406 |
|
while (j < 64 && (v = qcoeff[zigzag[j]]) == 0) |
407 |
|
j++; |
408 |
|
|
409 |
|
/* write code */ |
410 |
|
if (j != 64) { |
411 |
|
bits += vlc->len; |
412 |
|
} else { |
413 |
|
vlc += 64 * 4096; |
414 |
|
bits += vlc->len; |
415 |
|
break; |
416 |
|
} |
417 |
|
} while (1); |
418 |
|
|
419 |
|
return bits; |
420 |
|
} |
421 |
|
|
422 |
|
|
423 |
|
#else |
424 |
|
|
425 |
|
static __inline void |
426 |
|
CodeCoeffInter(Bitstream * bs, |
427 |
|
const int16_t qcoeff[64], |
428 |
|
const uint16_t * zigzag) |
429 |
|
{ |
430 |
|
uint32_t i, run, prev_run, code, len; |
431 |
|
int32_t level, prev_level, level_shifted; |
432 |
|
|
433 |
|
i = 0; |
434 |
|
run = 0; |
435 |
|
|
436 |
|
while (!(level = qcoeff[zigzag[i++]])) |
437 |
|
run++; |
438 |
|
|
439 |
|
prev_level = level; |
440 |
|
prev_run = run; |
441 |
|
run = 0; |
442 |
|
|
443 |
|
while (i < 64) |
444 |
|
{ |
445 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) |
446 |
|
{ |
447 |
|
level_shifted = prev_level + 32; |
448 |
|
if (!(level_shifted & -64)) |
449 |
|
{ |
450 |
|
code = coeff_VLC[0][0][level_shifted][prev_run].code; |
451 |
|
len = coeff_VLC[0][0][level_shifted][prev_run].len; |
452 |
|
} |
453 |
|
else |
454 |
|
{ |
455 |
|
code = (ESCAPE3 << 21) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
456 |
|
len = 30; |
457 |
|
} |
458 |
|
BitstreamPutBits(bs, code, len); |
459 |
|
prev_level = level; |
460 |
|
prev_run = run; |
461 |
|
run = 0; |
462 |
|
} |
463 |
|
else |
464 |
|
run++; |
465 |
|
} |
466 |
|
|
467 |
|
level_shifted = prev_level + 32; |
468 |
|
if (!(level_shifted & -64)) |
469 |
|
{ |
470 |
|
code = coeff_VLC[0][1][level_shifted][prev_run].code; |
471 |
|
len = coeff_VLC[0][1][level_shifted][prev_run].len; |
472 |
|
} |
473 |
|
else |
474 |
|
{ |
475 |
|
code = (ESCAPE3 << 21) | (1 << 20) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
476 |
|
len = 30; |
477 |
|
} |
478 |
|
BitstreamPutBits(bs, code, len); |
479 |
|
} |
480 |
|
|
481 |
|
static __inline void |
482 |
|
CodeCoeffIntra(Bitstream * bs, |
483 |
|
const int16_t qcoeff[64], |
484 |
|
const uint16_t * zigzag) |
485 |
|
{ |
486 |
|
uint32_t i, abs_level, run, prev_run, code, len; |
487 |
|
int32_t level, prev_level; |
488 |
|
|
489 |
|
i = 1; |
490 |
|
run = 0; |
491 |
|
|
492 |
|
while (i<64 && !(level = qcoeff[zigzag[i++]])) |
493 |
|
run++; |
494 |
|
|
495 |
|
prev_level = level; |
496 |
|
prev_run = run; |
497 |
|
run = 0; |
498 |
|
|
499 |
|
while (i < 64) |
500 |
|
{ |
501 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) |
502 |
|
{ |
503 |
|
abs_level = abs(prev_level); |
504 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
505 |
|
code = coeff_VLC[1][0][abs_level][prev_run].code; |
506 |
|
len = coeff_VLC[1][0][abs_level][prev_run].len; |
507 |
|
if (len != 128) |
508 |
|
code |= (prev_level < 0); |
509 |
|
else |
510 |
|
{ |
511 |
|
code = (ESCAPE3 << 21) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
512 |
|
len = 30; |
513 |
|
} |
514 |
|
BitstreamPutBits(bs, code, len); |
515 |
|
prev_level = level; |
516 |
|
prev_run = run; |
517 |
|
run = 0; |
518 |
|
} |
519 |
|
else |
520 |
|
run++; |
521 |
|
} |
522 |
|
|
523 |
|
abs_level = abs(prev_level); |
524 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
525 |
|
code = coeff_VLC[1][1][abs_level][prev_run].code; |
526 |
|
len = coeff_VLC[1][1][abs_level][prev_run].len; |
527 |
|
if (len != 128) |
528 |
|
code |= (prev_level < 0); |
529 |
|
else |
530 |
|
{ |
531 |
|
code = (ESCAPE3 << 21) | (1 << 20) | (prev_run << 14) | (1 << 13) | ((prev_level & 0xfff) << 1) | 1; |
532 |
|
len = 30; |
533 |
|
} |
534 |
|
BitstreamPutBits(bs, code, len); |
535 |
|
} |
536 |
|
|
537 |
|
|
538 |
|
|
539 |
|
/* returns the number of bits required to encode qcoeff */ |
540 |
|
|
541 |
|
int |
542 |
|
CodeCoeffIntra_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag) |
543 |
|
{ |
544 |
|
int bits = 0; |
545 |
|
uint32_t i, abs_level, run, prev_run, len; |
546 |
|
int32_t level, prev_level; |
547 |
|
|
548 |
|
i = 1; |
549 |
|
run = 0; |
550 |
|
|
551 |
|
while (i<64 && !(level = qcoeff[zigzag[i++]])) |
552 |
|
run++; |
553 |
|
|
554 |
|
if (i >= 64) return 0; /* empty block */ |
555 |
|
|
556 |
|
prev_level = level; |
557 |
|
prev_run = run; |
558 |
|
run = 0; |
559 |
|
|
560 |
|
while (i < 64) |
561 |
|
{ |
562 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) |
563 |
|
{ |
564 |
|
abs_level = abs(prev_level); |
565 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
566 |
|
len = coeff_VLC[1][0][abs_level][prev_run].len; |
567 |
|
bits += len!=128 ? len : 30; |
568 |
|
|
569 |
|
prev_level = level; |
570 |
|
prev_run = run; |
571 |
|
run = 0; |
572 |
|
} |
573 |
|
else |
574 |
|
run++; |
575 |
|
} |
576 |
|
|
577 |
|
abs_level = abs(prev_level); |
578 |
|
abs_level = abs_level < 64 ? abs_level : 0; |
579 |
|
len = coeff_VLC[1][1][abs_level][prev_run].len; |
580 |
|
bits += len!=128 ? len : 30; |
581 |
|
|
582 |
|
return bits; |
583 |
|
} |
584 |
|
|
585 |
|
int |
586 |
|
CodeCoeffInter_CalcBits(const int16_t qcoeff[64], const uint16_t * zigzag) |
587 |
|
{ |
588 |
|
uint32_t i, run, prev_run, len; |
589 |
|
int32_t level, prev_level, level_shifted; |
590 |
|
int bits = 0; |
591 |
|
|
592 |
|
i = 0; |
593 |
|
run = 0; |
594 |
|
|
595 |
|
while (!(level = qcoeff[zigzag[i++]])) |
596 |
|
run++; |
597 |
|
|
598 |
|
prev_level = level; |
599 |
|
prev_run = run; |
600 |
|
run = 0; |
601 |
|
|
602 |
|
while (i < 64) { |
603 |
|
if ((level = qcoeff[zigzag[i++]]) != 0) { |
604 |
|
level_shifted = prev_level + 32; |
605 |
|
if (!(level_shifted & -64)) |
606 |
|
len = coeff_VLC[0][0][level_shifted][prev_run].len; |
607 |
|
else |
608 |
|
len = 30; |
609 |
|
|
610 |
|
bits += len; |
611 |
|
prev_level = level; |
612 |
|
prev_run = run; |
613 |
|
run = 0; |
614 |
|
} |
615 |
|
else |
616 |
|
run++; |
617 |
|
} |
618 |
|
|
619 |
|
level_shifted = prev_level + 32; |
620 |
|
if (!(level_shifted & -64)) |
621 |
|
len = coeff_VLC[0][1][level_shifted][prev_run].len; |
622 |
|
else |
623 |
|
len = 30; |
624 |
|
bits += len; |
625 |
|
|
626 |
|
return bits; |
627 |
|
} |
628 |
|
|
629 |
|
|
630 |
|
#endif |
631 |
|
|
632 |
|
|
633 |
|
static int iDQtab[5] = { |
634 |
|
1, 0, -1 /* no change */, 2, 3 |
635 |
|
}; |
636 |
|
#define DQ_VALUE2INDEX(value) iDQtab[(value)+2] |
637 |
|
|
638 |
|
|
639 |
|
static __inline void |
640 |
|
CodeBlockIntra(const FRAMEINFO * const frame, |
641 |
const MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
642 |
int16_t qcoeff[6 * 64], |
int16_t qcoeff[6 * 64], |
643 |
Bitstream * bs, |
Bitstream * bs, |
666 |
BitstreamPutBits(bs, 0, 1); |
BitstreamPutBits(bs, 0, 1); |
667 |
|
|
668 |
// write cbpy |
// write cbpy |
669 |
BitstreamPutBits(bs, cbpy_tab[cbpy].code, cbpy_tab[cbpy].len); |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
670 |
|
|
671 |
// write dquant |
// write dquant |
672 |
if (pMB->mode == MODE_INTRA_Q) |
if (pMB->mode == MODE_INTRA_Q) |
673 |
BitstreamPutBits(bs, pMB->dquant, 2); |
BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2); |
674 |
|
|
675 |
// write interlacing |
// write interlacing |
676 |
if (frame->global_flags & XVID_INTERLACING) { |
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
677 |
BitstreamPutBit(bs, pMB->field_dct); |
BitstreamPutBit(bs, pMB->field_dct); |
678 |
} |
} |
679 |
// code block coeffs |
// code block coeffs |
686 |
dcc_tab[qcoeff[i * 64 + 0] + 255].len); |
dcc_tab[qcoeff[i * 64 + 0] + 255].len); |
687 |
|
|
688 |
if (pMB->cbp & (1 << (5 - i))) { |
if (pMB->cbp & (1 << (5 - i))) { |
689 |
|
const uint16_t *scan_table = |
690 |
|
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
691 |
|
scan_tables[2] : scan_tables[pMB->acpred_directions[i]]; |
692 |
|
|
693 |
bits = BitstreamPos(bs); |
bits = BitstreamPos(bs); |
694 |
|
|
695 |
CodeCoeff(bs, &qcoeff[i * 64], intra_table, |
#ifdef BIGLUT |
696 |
scan_tables[pMB->acpred_directions[i]], 1); |
CodeCoeff(bs, &qcoeff[i * 64], intra_table, scan_table, 1); |
697 |
|
#else |
698 |
|
CodeCoeffIntra(bs, &qcoeff[i * 64], scan_table); |
699 |
|
#endif |
700 |
|
|
701 |
bits = BitstreamPos(bs) - bits; |
bits = BitstreamPos(bs) - bits; |
702 |
pStat->iTextBits += bits; |
pStat->iTextBits += bits; |
707 |
|
|
708 |
|
|
709 |
static void |
static void |
710 |
CodeBlockInter(const FRAMEINFO * frame, |
CodeBlockInter(const FRAMEINFO * const frame, |
711 |
const MACROBLOCK * pMB, |
const MACROBLOCK * pMB, |
712 |
int16_t qcoeff[6 * 64], |
int16_t qcoeff[6 * 64], |
713 |
Bitstream * bs, |
Bitstream * bs, |
724 |
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, |
BitstreamPutBits(bs, mcbpc_inter_tab[mcbpc].code, |
725 |
mcbpc_inter_tab[mcbpc].len); |
mcbpc_inter_tab[mcbpc].len); |
726 |
|
|
727 |
|
if ( (frame->coding_type == S_VOP) && (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) ) |
728 |
|
BitstreamPutBit(bs, pMB->mcsel); // mcsel: '0'=local motion, '1'=GMC |
729 |
|
|
730 |
// write cbpy |
// write cbpy |
731 |
BitstreamPutBits(bs, cbpy_tab[cbpy].code, cbpy_tab[cbpy].len); |
BitstreamPutBits(bs, xvid_cbpy_tab[cbpy].code, xvid_cbpy_tab[cbpy].len); |
732 |
|
|
733 |
// write dquant |
// write dquant |
734 |
if (pMB->mode == MODE_INTER_Q) |
if (pMB->mode == MODE_INTER_Q) |
735 |
BitstreamPutBits(bs, pMB->dquant, 2); |
BitstreamPutBits(bs, DQ_VALUE2INDEX(pMB->dquant), 2); |
736 |
|
|
737 |
// interlacing |
// interlacing |
738 |
if (frame->global_flags & XVID_INTERLACING) { |
if (frame->vol_flags & XVID_VOL_INTERLACING) { |
739 |
if (pMB->cbp) { |
if (pMB->cbp) { |
740 |
BitstreamPutBit(bs, pMB->field_dct); |
BitstreamPutBit(bs, pMB->field_dct); |
741 |
DEBUG1("codep: field_dct: ", pMB->field_dct); |
DPRINTF(DPRINTF_MB,"codep: field_dct: %i", pMB->field_dct); |
742 |
} |
} |
743 |
|
|
744 |
// if inter block, write field ME flag |
// if inter block, write field ME flag |
745 |
if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) { |
if (pMB->mode == MODE_INTER || pMB->mode == MODE_INTER_Q) { |
746 |
BitstreamPutBit(bs, pMB->field_pred); |
BitstreamPutBit(bs, pMB->field_pred); |
747 |
DEBUG1("codep: field_pred: ", pMB->field_pred); |
DPRINTF(DPRINTF_MB,"codep: field_pred: %i", pMB->field_pred); |
748 |
|
|
749 |
// write field prediction references |
// write field prediction references |
750 |
if (pMB->field_pred) { |
if (pMB->field_pred) { |
753 |
} |
} |
754 |
} |
} |
755 |
} |
} |
756 |
// code motion vector(s) |
// code motion vector(s) if motion is local |
757 |
|
if (!pMB->mcsel) |
758 |
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
for (i = 0; i < (pMB->mode == MODE_INTER4V ? 4 : 1); i++) { |
759 |
CodeVector(bs, pMB->pmvs[i].x, frame->fcode, pStat); |
CodeVector(bs, pMB->pmvs[i].x, frame->fcode, pStat); |
760 |
CodeVector(bs, pMB->pmvs[i].y, frame->fcode, pStat); |
CodeVector(bs, pMB->pmvs[i].y, frame->fcode, pStat); |
765 |
// code block coeffs |
// code block coeffs |
766 |
for (i = 0; i < 6; i++) |
for (i = 0; i < 6; i++) |
767 |
if (pMB->cbp & (1 << (5 - i))) |
if (pMB->cbp & (1 << (5 - i))) |
768 |
CodeCoeff(bs, &qcoeff[i * 64], inter_table, scan_tables[0], 0); |
{ |
769 |
|
const uint16_t *scan_table = |
770 |
|
frame->vop_flags & XVID_VOP_ALTERNATESCAN ? |
771 |
|
scan_tables[2] : scan_tables[0]; |
772 |
|
|
773 |
|
#ifdef BIGLUT |
774 |
|
CodeCoeff(bs, &qcoeff[i * 64], inter_table, scan_table, 0); |
775 |
|
#else |
776 |
|
CodeCoeffInter(bs, &qcoeff[i * 64], scan_table); |
777 |
|
#endif |
778 |
|
} |
779 |
|
|
780 |
bits = BitstreamPos(bs) - bits; |
bits = BitstreamPos(bs) - bits; |
781 |
pStat->iTextBits += bits; |
pStat->iTextBits += bits; |
|
|
|
782 |
} |
} |
783 |
|
|
784 |
|
|
785 |
void |
void |
786 |
MBCoding(const FRAMEINFO * frame, |
MBCoding(const FRAMEINFO * const frame, |
787 |
MACROBLOCK * pMB, |
MACROBLOCK * pMB, |
788 |
int16_t qcoeff[6 * 64], |
int16_t qcoeff[6 * 64], |
789 |
Bitstream * bs, |
Bitstream * bs, |
790 |
Statistics * pStat) |
Statistics * pStat) |
791 |
{ |
{ |
792 |
|
if (frame->coding_type != I_VOP) |
793 |
if (frame->coding_type == P_VOP) { |
BitstreamPutBit(bs, 0); // not_coded |
|
BitstreamPutBit(bs, 0); // coded |
|
|
} |
|
794 |
|
|
795 |
if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) |
if (pMB->mode == MODE_INTRA || pMB->mode == MODE_INTRA_Q) |
796 |
CodeBlockIntra(frame, pMB, qcoeff, bs, pStat); |
CodeBlockIntra(frame, pMB, qcoeff, bs, pStat); |
799 |
|
|
800 |
} |
} |
801 |
|
|
802 |
|
/* |
803 |
|
// moved to mbcoding.h so that in can be 'static __inline' |
804 |
void |
void |
805 |
MBSkip(Bitstream * bs) |
MBSkip(Bitstream * bs) |
806 |
{ |
{ |
807 |
BitstreamPutBit(bs, 1); // not coded |
BitstreamPutBit(bs, 1); // not coded |
|
return; |
|
808 |
} |
} |
809 |
|
*/ |
810 |
|
|
811 |
/*************************************************************** |
/*************************************************************** |
812 |
* bframe encoding start |
* bframe encoding start |
820 |
3 0001b forward mc+q dbquant, mvdf |
3 0001b forward mc+q dbquant, mvdf |
821 |
*/ |
*/ |
822 |
|
|
823 |
void |
static __inline void |
824 |
put_bvop_mbtype(Bitstream * bs, |
put_bvop_mbtype(Bitstream * bs, |
825 |
int value) |
int value) |
826 |
{ |
{ |
827 |
switch (value) { |
switch (value) { |
828 |
case 0: |
case MODE_FORWARD: |
|
BitstreamPutBit(bs, 1); |
|
|
return; |
|
|
|
|
|
case 1: |
|
|
BitstreamPutBit(bs, 0); |
|
|
BitstreamPutBit(bs, 1); |
|
|
return; |
|
|
|
|
|
case 2: |
|
|
BitstreamPutBit(bs, 0); |
|
|
BitstreamPutBit(bs, 0); |
|
|
BitstreamPutBit(bs, 1); |
|
|
return; |
|
|
|
|
|
case 3: |
|
829 |
BitstreamPutBit(bs, 0); |
BitstreamPutBit(bs, 0); |
830 |
|
case MODE_BACKWARD: |
831 |
BitstreamPutBit(bs, 0); |
BitstreamPutBit(bs, 0); |
832 |
|
case MODE_INTERPOLATE: |
833 |
BitstreamPutBit(bs, 0); |
BitstreamPutBit(bs, 0); |
834 |
|
case MODE_DIRECT: |
835 |
BitstreamPutBit(bs, 1); |
BitstreamPutBit(bs, 1); |
836 |
return; |
default: |
837 |
|
break; |
|
default:; // invalid! |
|
|
|
|
838 |
} |
} |
|
|
|
839 |
} |
} |
840 |
|
|
841 |
/* |
/* |
845 |
+2 11b |
+2 11b |
846 |
*/ |
*/ |
847 |
|
|
848 |
void |
static __inline void |
849 |
put_bvop_dbquant(Bitstream * bs, |
put_bvop_dbquant(Bitstream * bs, |
850 |
int value) |
int value) |
851 |
{ |
{ |
876 |
const int32_t fcode, |
const int32_t fcode, |
877 |
const int32_t bcode, |
const int32_t bcode, |
878 |
Bitstream * bs, |
Bitstream * bs, |
879 |
Statistics * pStat) |
Statistics * pStat, |
880 |
|
int direction) |
881 |
{ |
{ |
882 |
int i; |
int vcode = fcode; |
883 |
|
unsigned int i; |
884 |
|
|
885 |
/* ------------------------------------------------------------------ |
/* ------------------------------------------------------------------ |
886 |
when a block is skipped it is decoded DIRECT(0,0) |
when a block is skipped it is decoded DIRECT(0,0) |
910 |
put_bvop_dbquant(bs, 0); // todo: mb->dquant = 0 |
put_bvop_dbquant(bs, 0); // todo: mb->dquant = 0 |
911 |
} |
} |
912 |
|
|
913 |
if (mb->mode == MODE_INTERPOLATE || mb->mode == MODE_FORWARD) { |
switch (mb->mode) { |
914 |
CodeVector(bs, mb->pmvs[0].x, fcode, pStat); |
case MODE_INTERPOLATE: |
915 |
CodeVector(bs, mb->pmvs[0].y, fcode, pStat); |
CodeVector(bs, mb->pmvs[1].x, vcode, pStat); //forward vector of interpolate mode |
916 |
} |
CodeVector(bs, mb->pmvs[1].y, vcode, pStat); |
917 |
|
case MODE_BACKWARD: |
918 |
if (mb->mode == MODE_INTERPOLATE || mb->mode == MODE_BACKWARD) { |
vcode = bcode; |
919 |
CodeVector(bs, mb->b_pmvs[0].x, bcode, pStat); |
case MODE_FORWARD: |
920 |
CodeVector(bs, mb->b_pmvs[0].y, bcode, pStat); |
CodeVector(bs, mb->pmvs[0].x, vcode, pStat); |
921 |
} |
CodeVector(bs, mb->pmvs[0].y, vcode, pStat); |
922 |
|
break; |
923 |
if (mb->mode == MODE_DIRECT) { |
case MODE_DIRECT: |
924 |
CodeVector(bs, mb->deltamv.x, 1, pStat); /* fcode is always 1 for delta vector */ |
CodeVector(bs, mb->pmvs[3].x, 1, pStat); // fcode is always 1 for delta vector |
925 |
CodeVector(bs, mb->deltamv.y, 1, pStat); /* prediction is always (0,0) */ |
CodeVector(bs, mb->pmvs[3].y, 1, pStat); // prediction is always (0,0) |
926 |
|
default: break; |
927 |
} |
} |
928 |
|
|
929 |
for (i = 0; i < 6; i++) { |
for (i = 0; i < 6; i++) { |
930 |
if (mb->cbp & (1 << (5 - i))) { |
if (mb->cbp & (1 << (5 - i))) { |
931 |
|
#ifdef BIGLUT |
932 |
CodeCoeff(bs, &qcoeff[i * 64], inter_table, scan_tables[0], 0); |
CodeCoeff(bs, &qcoeff[i * 64], inter_table, scan_tables[0], 0); |
933 |
|
#else |
934 |
|
CodeCoeffInter(bs, &qcoeff[i * 64], scan_tables[0]); |
935 |
|
#endif |
936 |
} |
} |
937 |
} |
} |
938 |
} |
} |
989 |
|
|
990 |
uint32_t index; |
uint32_t index; |
991 |
|
|
992 |
index = CLIP(BitstreamShowBits(bs, 9), 256); |
index = MIN(BitstreamShowBits(bs, 9), 256); |
993 |
|
|
994 |
BitstreamSkip(bs, mcbpc_inter_table[index].len); |
BitstreamSkip(bs, mcbpc_inter_table[index].len); |
995 |
|
|
1015 |
|
|
1016 |
} |
} |
1017 |
|
|
1018 |
int |
static __inline int |
1019 |
get_mv_data(Bitstream * bs) |
get_mv_data(Bitstream * bs) |
1020 |
{ |
{ |
1021 |
|
|
1061 |
return data; |
return data; |
1062 |
|
|
1063 |
res = BitstreamGetBits(bs, fcode - 1); |
res = BitstreamGetBits(bs, fcode - 1); |
1064 |
mv = ((ABS(data) - 1) * scale_fac) + res + 1; |
mv = ((abs(data) - 1) * scale_fac) + res + 1; |
1065 |
|
|
1066 |
return data < 0 ? -mv : mv; |
return data < 0 ? -mv : mv; |
1067 |
|
|
1124 |
|
|
1125 |
} |
} |
1126 |
|
|
1127 |
|
static __inline int |
1128 |
|
get_coeff(Bitstream * bs, |
1129 |
|
int *run, |
1130 |
|
int *last, |
1131 |
|
int intra, |
1132 |
|
int short_video_header) |
1133 |
|
{ |
1134 |
|
|
1135 |
|
uint32_t mode; |
1136 |
|
int32_t level; |
1137 |
|
REVERSE_EVENT *reverse_event; |
1138 |
|
|
1139 |
|
if (short_video_header) /* inter-VLCs will be used for both intra and inter blocks */ |
1140 |
|
intra = 0; |
1141 |
|
|
1142 |
|
if (BitstreamShowBits(bs, 7) != ESCAPE) { |
1143 |
|
reverse_event = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
1144 |
|
|
1145 |
|
if ((level = reverse_event->event.level) == 0) |
1146 |
|
goto error; |
1147 |
|
|
1148 |
|
*last = reverse_event->event.last; |
1149 |
|
*run = reverse_event->event.run; |
1150 |
|
|
1151 |
|
BitstreamSkip(bs, reverse_event->len); |
1152 |
|
|
1153 |
|
return BitstreamGetBits(bs, 1) ? -level : level; |
1154 |
|
} |
1155 |
|
|
1156 |
|
BitstreamSkip(bs, 7); |
1157 |
|
|
1158 |
|
if (short_video_header) { |
1159 |
|
/* escape mode 4 - H.263 type, only used if short_video_header = 1 */ |
1160 |
|
*last = BitstreamGetBit(bs); |
1161 |
|
*run = BitstreamGetBits(bs, 6); |
1162 |
|
level = BitstreamGetBits(bs, 8); |
1163 |
|
|
1164 |
|
if (level == 0 || level == 128) |
1165 |
|
DPRINTF(DPRINTF_ERROR, "Illegal LEVEL for ESCAPE mode 4: %d", level); |
1166 |
|
|
1167 |
|
return (level << 24) >> 24; |
1168 |
|
} |
1169 |
|
|
1170 |
|
mode = BitstreamShowBits(bs, 2); |
1171 |
|
|
1172 |
|
if (mode < 3) { |
1173 |
|
BitstreamSkip(bs, (mode == 2) ? 2 : 1); |
1174 |
|
|
1175 |
|
reverse_event = &DCT3D[intra][BitstreamShowBits(bs, 12)]; |
1176 |
|
|
1177 |
|
if ((level = reverse_event->event.level) == 0) |
1178 |
|
goto error; |
1179 |
|
|
1180 |
|
*last = reverse_event->event.last; |
1181 |
|
*run = reverse_event->event.run; |
1182 |
|
|
1183 |
|
BitstreamSkip(bs, reverse_event->len); |
1184 |
|
|
1185 |
|
if (mode < 2) /* first escape mode, level is offset */ |
1186 |
|
level += max_level[intra][*last][*run]; |
1187 |
|
else /* second escape mode, run is offset */ |
1188 |
|
*run += max_run[intra][*last][level] + 1; |
1189 |
|
|
1190 |
|
return BitstreamGetBits(bs, 1) ? -level : level; |
1191 |
|
} |
1192 |
|
|
1193 |
|
/* third escape mode - fixed length codes */ |
1194 |
|
BitstreamSkip(bs, 2); |
1195 |
|
*last = BitstreamGetBits(bs, 1); |
1196 |
|
*run = BitstreamGetBits(bs, 6); |
1197 |
|
BitstreamSkip(bs, 1); /* marker */ |
1198 |
|
level = BitstreamGetBits(bs, 12); |
1199 |
|
BitstreamSkip(bs, 1); /* marker */ |
1200 |
|
|
1201 |
|
return (level << 20) >> 20; |
1202 |
|
|
1203 |
|
error: |
1204 |
|
*run = VLC_ERROR; |
1205 |
|
return 0; |
1206 |
|
} |
1207 |
|
|
1208 |
void |
void |
1209 |
get_intra_block(Bitstream * bs, |
get_intra_block(Bitstream * bs, |
1210 |
int16_t * block, |
int16_t * block, |
1213 |
{ |
{ |
1214 |
|
|
1215 |
const uint16_t *scan = scan_tables[direction]; |
const uint16_t *scan = scan_tables[direction]; |
1216 |
int level; |
int level, run, last; |
|
int run; |
|
|
int last; |
|
1217 |
|
|
1218 |
do { |
do { |
1219 |
level = get_coeff(bs, &run, &last, 1, 0); |
level = get_coeff(bs, &run, &last, 1, 0); |
1220 |
if (run == -1) { |
if (run == -1) { |
1221 |
DEBUG("fatal: invalid run"); |
DPRINTF(DPRINTF_ERROR,"fatal: invalid run"); |
1222 |
break; |
break; |
1223 |
} |
} |
1224 |
coeff += run; |
coeff += run; |
1227 |
DPRINTF(DPRINTF_COEFF,"block[%i] %i", scan[coeff], level); |
DPRINTF(DPRINTF_COEFF,"block[%i] %i", scan[coeff], level); |
1228 |
//DPRINTF(DPRINTF_COEFF,"block[%i] %i %08x", scan[coeff], level, BitstreamShowBits(bs, 32)); |
//DPRINTF(DPRINTF_COEFF,"block[%i] %i %08x", scan[coeff], level, BitstreamShowBits(bs, 32)); |
1229 |
|
|
1230 |
if (level < -127 || level > 127) { |
if (level < -2047 || level > 2047) { |
1231 |
DEBUG1("warning: intra_overflow", level); |
DPRINTF(DPRINTF_ERROR,"warning: intra_overflow %i", level); |
1232 |
} |
} |
1233 |
coeff++; |
coeff++; |
1234 |
} while (!last); |
} while (!last); |
1237 |
|
|
1238 |
void |
void |
1239 |
get_inter_block(Bitstream * bs, |
get_inter_block(Bitstream * bs, |
1240 |
int16_t * block) |
int16_t * block, |
1241 |
|
int direction) |
1242 |
{ |
{ |
1243 |
|
|
1244 |
const uint16_t *scan = scan_tables[0]; |
const uint16_t *scan = scan_tables[direction]; |
1245 |
int p; |
int p; |
1246 |
int level; |
int level; |
1247 |
int run; |
int run; |
1251 |
do { |
do { |
1252 |
level = get_coeff(bs, &run, &last, 0, 0); |
level = get_coeff(bs, &run, &last, 0, 0); |
1253 |
if (run == -1) { |
if (run == -1) { |
1254 |
DEBUG("fatal: invalid run"); |
DPRINTF(DPRINTF_ERROR,"fatal: invalid run"); |
1255 |
break; |
break; |
1256 |
} |
} |
1257 |
p += run; |
p += run; |
1261 |
DPRINTF(DPRINTF_COEFF,"block[%i] %i", scan[p], level); |
DPRINTF(DPRINTF_COEFF,"block[%i] %i", scan[p], level); |
1262 |
// DPRINTF(DPRINTF_COEFF,"block[%i] %i %08x", scan[p], level, BitstreamShowBits(bs, 32)); |
// DPRINTF(DPRINTF_COEFF,"block[%i] %i %08x", scan[p], level, BitstreamShowBits(bs, 32)); |
1263 |
|
|
1264 |
if (level < -127 || level > 127) { |
if (level < -2047 || level > 2047) { |
1265 |
DEBUG1("warning: inter_overflow", level); |
DPRINTF(DPRINTF_ERROR,"warning: inter overflow %i", level); |
1266 |
} |
} |
1267 |
p++; |
p++; |
1268 |
} while (!last); |
} while (!last); |
1269 |
|
|
1270 |
} |
} |
1271 |
|
|
1272 |
|
|
1273 |
|
|
1274 |
|
|
1275 |
|
|
1276 |
|
|
1277 |
|
|
1278 |
|
/************************************************************************ |
1279 |
|
* Trellis based R-D optimal quantization * |
1280 |
|
* not really "bitstream" or "mbcoding" related, but needs VLC tables * |
1281 |
|
* * |
1282 |
|
************************************************************************/ |
1283 |
|
|
1284 |
|
|
1285 |
|
int __inline |
1286 |
|
RunLevel_CalcBits_inter(const int16_t run, int16_t level) |
1287 |
|
{ |
1288 |
|
const int esc_length = 30; |
1289 |
|
|
1290 |
|
if (!((level+32) & -64)) |
1291 |
|
return coeff_VLC[0][0][level+32][run].len; |
1292 |
|
else |
1293 |
|
return esc_length; |
1294 |
|
} |
1295 |
|
|
1296 |
|
int __inline |
1297 |
|
RunLevelLast_CalcBits_inter(const int16_t run, const int16_t level) |
1298 |
|
{ |
1299 |
|
const int esc_length = 30; |
1300 |
|
|
1301 |
|
if (!((level+32) & -64)) |
1302 |
|
return coeff_VLC[0][1][level+32][run].len; |
1303 |
|
else |
1304 |
|
return esc_length; |
1305 |
|
} |
1306 |
|
|
1307 |
|
|
1308 |
|
int __inline |
1309 |
|
RunLevel_CalcBits_intra(const int16_t run, int16_t level) |
1310 |
|
{ |
1311 |
|
const int esc_length = 30; |
1312 |
|
int bits; |
1313 |
|
|
1314 |
|
level = abs(level); |
1315 |
|
if (!(level & -64)) { |
1316 |
|
bits = coeff_VLC[1][0][level][run].len; |
1317 |
|
if (bits!=128) |
1318 |
|
return bits; |
1319 |
|
} |
1320 |
|
return esc_length; |
1321 |
|
} |
1322 |
|
|
1323 |
|
int __inline |
1324 |
|
RunLevelLast_CalcBits_intra(const int16_t run, int16_t level) |
1325 |
|
{ |
1326 |
|
const int esc_length = 30; |
1327 |
|
int bits; |
1328 |
|
|
1329 |
|
level = abs(level); |
1330 |
|
if (!(level & -64)) { |
1331 |
|
bits = coeff_VLC[1][1][level][run].len; |
1332 |
|
if (bits!=128) |
1333 |
|
return bits; |
1334 |
|
} |
1335 |
|
return esc_length; |
1336 |
|
} |
1337 |
|
|
1338 |
|
/* based on ffmpeg's trellis quant, thanks! */ |
1339 |
|
/* (C) 2003 Michael Niedermayer <michaelni@gmx.at> */ |
1340 |
|
|
1341 |
|
int |
1342 |
|
dct_quantize_trellis_inter_h263_c (int16_t *qcoeff, const int16_t *data, int quant) |
1343 |
|
{ |
1344 |
|
|
1345 |
|
/* input: original quantized DCT coefficients (to calc distorion)*/ |
1346 |
|
/* already quantized DCT coefficients */ |
1347 |
|
/* quantizer */ |
1348 |
|
/* output: modified table of quantized DCT coefficients */ |
1349 |
|
|
1350 |
|
/* maybe combining quantize&Trellis would be faster (even that it disables MMX quant) */ |
1351 |
|
|
1352 |
|
int run_tab[65]; |
1353 |
|
int level_tab[65]; |
1354 |
|
int score_tab[65]; |
1355 |
|
int last_run = 0; |
1356 |
|
int last_level = 0; |
1357 |
|
int last_score = 0; |
1358 |
|
int last_i = 0; |
1359 |
|
int coeff[64]; |
1360 |
|
int coeff_count[64]; /* is a table useful for this 0-1 (or 1-2) table? */ |
1361 |
|
int last_non_zero, i; |
1362 |
|
|
1363 |
|
const uint16_t *const zigzag = &scan_tables[0][0]; |
1364 |
|
/* ordinary zigzag order, so it's not INTERLACE compatible, yet */ |
1365 |
|
|
1366 |
|
const int qmul = 2*quant; |
1367 |
|
const int qadd = ((quant-1)|1); |
1368 |
|
|
1369 |
|
/* quant is not needed anymore after this */ |
1370 |
|
|
1371 |
|
int score_limit = 0; |
1372 |
|
int left_limit = 0; |
1373 |
|
|
1374 |
|
const int lambda = (quant * quant * 123 + 64) >> 7; // default lagrangian |
1375 |
|
|
1376 |
|
/* control lambda through a ENVIRONMENT variable (for automatic optmization) */ |
1377 |
|
|
1378 |
|
/* |
1379 |
|
const int lfact=123; // better control of the lagrangian lambda |
1380 |
|
int lambda = (quant * quant * 123 + 64) >> 7; // default lagrangian |
1381 |
|
|
1382 |
|
const char * const trellis_lambda = getenv("TRELLIS_LAMBDA"); |
1383 |
|
if(trellis_lambda) |
1384 |
|
lfact = atoi(trellis_lambda); |
1385 |
|
if (lfact < 1) |
1386 |
|
lfact = 123; // why this value? Who knows? But 123 seems better than 109 = 0.85<<7 |
1387 |
|
|
1388 |
|
lambda = (quant * quant * lfact + 64) >> 7; // lagrangian |
1389 |
|
*/ |
1390 |
|
|
1391 |
|
last_non_zero = -1; |
1392 |
|
for (i = 0; i < 64; i++) |
1393 |
|
{ |
1394 |
|
const int level = qcoeff[zigzag[i]]; |
1395 |
|
|
1396 |
|
if (level) { |
1397 |
|
last_non_zero = i; |
1398 |
|
|
1399 |
|
if (level>0) { |
1400 |
|
if (level==1) { |
1401 |
|
coeff[i] = 1; |
1402 |
|
coeff_count[i] = 0; |
1403 |
|
} else { |
1404 |
|
coeff[i] = level; |
1405 |
|
coeff_count[i] = 1; |
1406 |
|
} |
1407 |
|
} else { |
1408 |
|
if (level==-1) { |
1409 |
|
coeff[i] = -1; |
1410 |
|
coeff_count[i] = 0; |
1411 |
|
} else { |
1412 |
|
coeff[i] = level+1; // because we check coeff[i] and coeff[i]-1 |
1413 |
|
coeff_count[i] = 1; |
1414 |
|
} |
1415 |
|
} |
1416 |
|
} else { |
1417 |
|
coeff[i] = ((data[zigzag[i]]>>31)|1); /* +- 1 because of gap */ |
1418 |
|
coeff_count[i] = 0; |
1419 |
|
} |
1420 |
|
} |
1421 |
|
|
1422 |
|
if (last_non_zero < 0) |
1423 |
|
return last_non_zero; |
1424 |
|
|
1425 |
|
score_tab[0] = 0; |
1426 |
|
|
1427 |
|
for (i = 0; i <= last_non_zero; i++) { |
1428 |
|
int level, run, j; |
1429 |
|
const int dct_coeff = data[zigzag[i]]; |
1430 |
|
const int zero_distortion = dct_coeff * dct_coeff; |
1431 |
|
int best_score = 256 * 256 * 256 * 120; |
1432 |
|
|
1433 |
|
int distortion; |
1434 |
|
int dequant_err; |
1435 |
|
|
1436 |
|
last_score += zero_distortion; |
1437 |
|
|
1438 |
|
|
1439 |
|
/****************** level loop unrolled: first check coeff[i] *********/ |
1440 |
|
level = coeff[i]; |
1441 |
|
|
1442 |
|
if (level > 0) // coeff[i]==0 is not possible here |
1443 |
|
dequant_err = level * qmul + qadd - dct_coeff; |
1444 |
|
else |
1445 |
|
dequant_err = level * qmul - qadd - dct_coeff; |
1446 |
|
|
1447 |
|
distortion = dequant_err*dequant_err; |
1448 |
|
|
1449 |
|
for (run = 0; run <= i - left_limit; run++) { |
1450 |
|
|
1451 |
|
int score = distortion + lambda*RunLevel_CalcBits_inter(run, level) + score_tab[i - run]; |
1452 |
|
|
1453 |
|
if (score < best_score) |
1454 |
|
{ |
1455 |
|
best_score = score_tab[i + 1] = score; |
1456 |
|
run_tab[i + 1] = run; |
1457 |
|
level_tab[i + 1] = level; |
1458 |
|
} |
1459 |
|
} |
1460 |
|
|
1461 |
|
for (run = 0; run <= i - left_limit; run++) { |
1462 |
|
int score = distortion + lambda*RunLevelLast_CalcBits_inter(run, level) + score_tab[i - run]; |
1463 |
|
|
1464 |
|
if (score < last_score) |
1465 |
|
{ |
1466 |
|
last_score = score; |
1467 |
|
last_run = run; |
1468 |
|
last_level = level; |
1469 |
|
last_i = i + 1; |
1470 |
|
} |
1471 |
|
} |
1472 |
|
|
1473 |
|
/****************** level loop unrolled: if possible, check coeff[i]-1 *********/ |
1474 |
|
|
1475 |
|
if (coeff_count[i]) { |
1476 |
|
|
1477 |
|
level--; |
1478 |
|
dequant_err -= qmul; |
1479 |
|
distortion = dequant_err*dequant_err; |
1480 |
|
|
1481 |
|
for (run = 0; run <= i - left_limit; run++) { |
1482 |
|
int score = distortion + lambda*RunLevel_CalcBits_inter(run, level) + score_tab[i-run]; |
1483 |
|
|
1484 |
|
if (score < best_score) |
1485 |
|
{ |
1486 |
|
best_score = score_tab[i + 1] = score; |
1487 |
|
run_tab[i + 1] = run; |
1488 |
|
level_tab[i + 1] = level; |
1489 |
|
} |
1490 |
|
} |
1491 |
|
|
1492 |
|
for (run = 0; run <= i - left_limit; run++) { |
1493 |
|
int score = distortion + lambda*RunLevelLast_CalcBits_inter(run, level) + score_tab[i-run]; |
1494 |
|
|
1495 |
|
if (score < last_score) |
1496 |
|
{ |
1497 |
|
last_score = score; |
1498 |
|
last_run = run; |
1499 |
|
last_level = level; |
1500 |
|
last_i = i + 1; |
1501 |
|
} |
1502 |
|
|
1503 |
|
} |
1504 |
|
} // of check coeff[i]-1 |
1505 |
|
|
1506 |
|
|
1507 |
|
/****************** checking coeff[i]-2 doesn't isn't supported *********/ |
1508 |
|
|
1509 |
|
/****************** add distorsion for higher RUN (-> coeff[i]==0) *******/ |
1510 |
|
for (j = left_limit; j <= i; j++) |
1511 |
|
score_tab[j] += zero_distortion; |
1512 |
|
|
1513 |
|
score_limit += zero_distortion; |
1514 |
|
|
1515 |
|
if (score_tab[i + 1] < score_limit) |
1516 |
|
score_limit = score_tab[i + 1]; |
1517 |
|
|
1518 |
|
// there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level |
1519 |
|
// so we finalize only if we have no chance of getting lower than score_limit + 1*lambda anymore |
1520 |
|
|
1521 |
|
while (score_tab[left_limit] > score_limit + lambda) |
1522 |
|
left_limit++; |
1523 |
|
|
1524 |
|
|
1525 |
|
} // end of (i=0;i<=last_non_zero;i++) |
1526 |
|
|
1527 |
|
last_non_zero = last_i - 1; |
1528 |
|
if (last_non_zero < 0) |
1529 |
|
return last_non_zero; |
1530 |
|
|
1531 |
|
i = last_i; |
1532 |
|
|
1533 |
|
memset(qcoeff,0x00,64*sizeof(int16_t)); |
1534 |
|
|
1535 |
|
qcoeff[zigzag[last_non_zero]] = last_level; |
1536 |
|
i -= last_run + 1; |
1537 |
|
|
1538 |
|
for (; i > 0; i -= run_tab[i] + 1) |
1539 |
|
{ |
1540 |
|
qcoeff[zigzag[i-1]] = level_tab[i]; |
1541 |
|
} |
1542 |
|
|
1543 |
|
return last_non_zero; |
1544 |
|
} |
1545 |
|
|
1546 |
|
int |
1547 |
|
dct_quantize_trellis_inter_mpeg_c (int16_t *qcoeff, const int16_t *data, int quant) |
1548 |
|
{ return 64; } |
1549 |
|
|
1550 |
|
|
1551 |
|
|
1552 |
|
|
1553 |
|
|
1554 |
|
/***************************************************************************** |
1555 |
|
* VLC tables and other constant arrays |
1556 |
|
****************************************************************************/ |
1557 |
|
|
1558 |
|
VLC_TABLE const coeff_tab[2][102] = |
1559 |
|
{ |
1560 |
|
/* intra = 0 */ |
1561 |
|
{ |
1562 |
|
{{ 2, 2}, {0, 0, 1}}, |
1563 |
|
{{15, 4}, {0, 0, 2}}, |
1564 |
|
{{21, 6}, {0, 0, 3}}, |
1565 |
|
{{23, 7}, {0, 0, 4}}, |
1566 |
|
{{31, 8}, {0, 0, 5}}, |
1567 |
|
{{37, 9}, {0, 0, 6}}, |
1568 |
|
{{36, 9}, {0, 0, 7}}, |
1569 |
|
{{33, 10}, {0, 0, 8}}, |
1570 |
|
{{32, 10}, {0, 0, 9}}, |
1571 |
|
{{ 7, 11}, {0, 0, 10}}, |
1572 |
|
{{ 6, 11}, {0, 0, 11}}, |
1573 |
|
{{32, 11}, {0, 0, 12}}, |
1574 |
|
{{ 6, 3}, {0, 1, 1}}, |
1575 |
|
{{20, 6}, {0, 1, 2}}, |
1576 |
|
{{30, 8}, {0, 1, 3}}, |
1577 |
|
{{15, 10}, {0, 1, 4}}, |
1578 |
|
{{33, 11}, {0, 1, 5}}, |
1579 |
|
{{80, 12}, {0, 1, 6}}, |
1580 |
|
{{14, 4}, {0, 2, 1}}, |
1581 |
|
{{29, 8}, {0, 2, 2}}, |
1582 |
|
{{14, 10}, {0, 2, 3}}, |
1583 |
|
{{81, 12}, {0, 2, 4}}, |
1584 |
|
{{13, 5}, {0, 3, 1}}, |
1585 |
|
{{35, 9}, {0, 3, 2}}, |
1586 |
|
{{13, 10}, {0, 3, 3}}, |
1587 |
|
{{12, 5}, {0, 4, 1}}, |
1588 |
|
{{34, 9}, {0, 4, 2}}, |
1589 |
|
{{82, 12}, {0, 4, 3}}, |
1590 |
|
{{11, 5}, {0, 5, 1}}, |
1591 |
|
{{12, 10}, {0, 5, 2}}, |
1592 |
|
{{83, 12}, {0, 5, 3}}, |
1593 |
|
{{19, 6}, {0, 6, 1}}, |
1594 |
|
{{11, 10}, {0, 6, 2}}, |
1595 |
|
{{84, 12}, {0, 6, 3}}, |
1596 |
|
{{18, 6}, {0, 7, 1}}, |
1597 |
|
{{10, 10}, {0, 7, 2}}, |
1598 |
|
{{17, 6}, {0, 8, 1}}, |
1599 |
|
{{ 9, 10}, {0, 8, 2}}, |
1600 |
|
{{16, 6}, {0, 9, 1}}, |
1601 |
|
{{ 8, 10}, {0, 9, 2}}, |
1602 |
|
{{22, 7}, {0, 10, 1}}, |
1603 |
|
{{85, 12}, {0, 10, 2}}, |
1604 |
|
{{21, 7}, {0, 11, 1}}, |
1605 |
|
{{20, 7}, {0, 12, 1}}, |
1606 |
|
{{28, 8}, {0, 13, 1}}, |
1607 |
|
{{27, 8}, {0, 14, 1}}, |
1608 |
|
{{33, 9}, {0, 15, 1}}, |
1609 |
|
{{32, 9}, {0, 16, 1}}, |
1610 |
|
{{31, 9}, {0, 17, 1}}, |
1611 |
|
{{30, 9}, {0, 18, 1}}, |
1612 |
|
{{29, 9}, {0, 19, 1}}, |
1613 |
|
{{28, 9}, {0, 20, 1}}, |
1614 |
|
{{27, 9}, {0, 21, 1}}, |
1615 |
|
{{26, 9}, {0, 22, 1}}, |
1616 |
|
{{34, 11}, {0, 23, 1}}, |
1617 |
|
{{35, 11}, {0, 24, 1}}, |
1618 |
|
{{86, 12}, {0, 25, 1}}, |
1619 |
|
{{87, 12}, {0, 26, 1}}, |
1620 |
|
{{ 7, 4}, {1, 0, 1}}, |
1621 |
|
{{25, 9}, {1, 0, 2}}, |
1622 |
|
{{ 5, 11}, {1, 0, 3}}, |
1623 |
|
{{15, 6}, {1, 1, 1}}, |
1624 |
|
{{ 4, 11}, {1, 1, 2}}, |
1625 |
|
{{14, 6}, {1, 2, 1}}, |
1626 |
|
{{13, 6}, {1, 3, 1}}, |
1627 |
|
{{12, 6}, {1, 4, 1}}, |
1628 |
|
{{19, 7}, {1, 5, 1}}, |
1629 |
|
{{18, 7}, {1, 6, 1}}, |
1630 |
|
{{17, 7}, {1, 7, 1}}, |
1631 |
|
{{16, 7}, {1, 8, 1}}, |
1632 |
|
{{26, 8}, {1, 9, 1}}, |
1633 |
|
{{25, 8}, {1, 10, 1}}, |
1634 |
|
{{24, 8}, {1, 11, 1}}, |
1635 |
|
{{23, 8}, {1, 12, 1}}, |
1636 |
|
{{22, 8}, {1, 13, 1}}, |
1637 |
|
{{21, 8}, {1, 14, 1}}, |
1638 |
|
{{20, 8}, {1, 15, 1}}, |
1639 |
|
{{19, 8}, {1, 16, 1}}, |
1640 |
|
{{24, 9}, {1, 17, 1}}, |
1641 |
|
{{23, 9}, {1, 18, 1}}, |
1642 |
|
{{22, 9}, {1, 19, 1}}, |
1643 |
|
{{21, 9}, {1, 20, 1}}, |
1644 |
|
{{20, 9}, {1, 21, 1}}, |
1645 |
|
{{19, 9}, {1, 22, 1}}, |
1646 |
|
{{18, 9}, {1, 23, 1}}, |
1647 |
|
{{17, 9}, {1, 24, 1}}, |
1648 |
|
{{ 7, 10}, {1, 25, 1}}, |
1649 |
|
{{ 6, 10}, {1, 26, 1}}, |
1650 |
|
{{ 5, 10}, {1, 27, 1}}, |
1651 |
|
{{ 4, 10}, {1, 28, 1}}, |
1652 |
|
{{36, 11}, {1, 29, 1}}, |
1653 |
|
{{37, 11}, {1, 30, 1}}, |
1654 |
|
{{38, 11}, {1, 31, 1}}, |
1655 |
|
{{39, 11}, {1, 32, 1}}, |
1656 |
|
{{88, 12}, {1, 33, 1}}, |
1657 |
|
{{89, 12}, {1, 34, 1}}, |
1658 |
|
{{90, 12}, {1, 35, 1}}, |
1659 |
|
{{91, 12}, {1, 36, 1}}, |
1660 |
|
{{92, 12}, {1, 37, 1}}, |
1661 |
|
{{93, 12}, {1, 38, 1}}, |
1662 |
|
{{94, 12}, {1, 39, 1}}, |
1663 |
|
{{95, 12}, {1, 40, 1}} |
1664 |
|
}, |
1665 |
|
/* intra = 1 */ |
1666 |
|
{ |
1667 |
|
{{ 2, 2}, {0, 0, 1}}, |
1668 |
|
{{15, 4}, {0, 0, 3}}, |
1669 |
|
{{21, 6}, {0, 0, 6}}, |
1670 |
|
{{23, 7}, {0, 0, 9}}, |
1671 |
|
{{31, 8}, {0, 0, 10}}, |
1672 |
|
{{37, 9}, {0, 0, 13}}, |
1673 |
|
{{36, 9}, {0, 0, 14}}, |
1674 |
|
{{33, 10}, {0, 0, 17}}, |
1675 |
|
{{32, 10}, {0, 0, 18}}, |
1676 |
|
{{ 7, 11}, {0, 0, 21}}, |
1677 |
|
{{ 6, 11}, {0, 0, 22}}, |
1678 |
|
{{32, 11}, {0, 0, 23}}, |
1679 |
|
{{ 6, 3}, {0, 0, 2}}, |
1680 |
|
{{20, 6}, {0, 1, 2}}, |
1681 |
|
{{30, 8}, {0, 0, 11}}, |
1682 |
|
{{15, 10}, {0, 0, 19}}, |
1683 |
|
{{33, 11}, {0, 0, 24}}, |
1684 |
|
{{80, 12}, {0, 0, 25}}, |
1685 |
|
{{14, 4}, {0, 1, 1}}, |
1686 |
|
{{29, 8}, {0, 0, 12}}, |
1687 |
|
{{14, 10}, {0, 0, 20}}, |
1688 |
|
{{81, 12}, {0, 0, 26}}, |
1689 |
|
{{13, 5}, {0, 0, 4}}, |
1690 |
|
{{35, 9}, {0, 0, 15}}, |
1691 |
|
{{13, 10}, {0, 1, 7}}, |
1692 |
|
{{12, 5}, {0, 0, 5}}, |
1693 |
|
{{34, 9}, {0, 4, 2}}, |
1694 |
|
{{82, 12}, {0, 0, 27}}, |
1695 |
|
{{11, 5}, {0, 2, 1}}, |
1696 |
|
{{12, 10}, {0, 2, 4}}, |
1697 |
|
{{83, 12}, {0, 1, 9}}, |
1698 |
|
{{19, 6}, {0, 0, 7}}, |
1699 |
|
{{11, 10}, {0, 3, 4}}, |
1700 |
|
{{84, 12}, {0, 6, 3}}, |
1701 |
|
{{18, 6}, {0, 0, 8}}, |
1702 |
|
{{10, 10}, {0, 4, 3}}, |
1703 |
|
{{17, 6}, {0, 3, 1}}, |
1704 |
|
{{ 9, 10}, {0, 8, 2}}, |
1705 |
|
{{16, 6}, {0, 4, 1}}, |
1706 |
|
{{ 8, 10}, {0, 5, 3}}, |
1707 |
|
{{22, 7}, {0, 1, 3}}, |
1708 |
|
{{85, 12}, {0, 1, 10}}, |
1709 |
|
{{21, 7}, {0, 2, 2}}, |
1710 |
|
{{20, 7}, {0, 7, 1}}, |
1711 |
|
{{28, 8}, {0, 1, 4}}, |
1712 |
|
{{27, 8}, {0, 3, 2}}, |
1713 |
|
{{33, 9}, {0, 0, 16}}, |
1714 |
|
{{32, 9}, {0, 1, 5}}, |
1715 |
|
{{31, 9}, {0, 1, 6}}, |
1716 |
|
{{30, 9}, {0, 2, 3}}, |
1717 |
|
{{29, 9}, {0, 3, 3}}, |
1718 |
|
{{28, 9}, {0, 5, 2}}, |
1719 |
|
{{27, 9}, {0, 6, 2}}, |
1720 |
|
{{26, 9}, {0, 7, 2}}, |
1721 |
|
{{34, 11}, {0, 1, 8}}, |
1722 |
|
{{35, 11}, {0, 9, 2}}, |
1723 |
|
{{86, 12}, {0, 2, 5}}, |
1724 |
|
{{87, 12}, {0, 7, 3}}, |
1725 |
|
{{ 7, 4}, {1, 0, 1}}, |
1726 |
|
{{25, 9}, {0, 11, 1}}, |
1727 |
|
{{ 5, 11}, {1, 0, 6}}, |
1728 |
|
{{15, 6}, {1, 1, 1}}, |
1729 |
|
{{ 4, 11}, {1, 0, 7}}, |
1730 |
|
{{14, 6}, {1, 2, 1}}, |
1731 |
|
{{13, 6}, {0, 5, 1}}, |
1732 |
|
{{12, 6}, {1, 0, 2}}, |
1733 |
|
{{19, 7}, {1, 5, 1}}, |
1734 |
|
{{18, 7}, {0, 6, 1}}, |
1735 |
|
{{17, 7}, {1, 3, 1}}, |
1736 |
|
{{16, 7}, {1, 4, 1}}, |
1737 |
|
{{26, 8}, {1, 9, 1}}, |
1738 |
|
{{25, 8}, {0, 8, 1}}, |
1739 |
|
{{24, 8}, {0, 9, 1}}, |
1740 |
|
{{23, 8}, {0, 10, 1}}, |
1741 |
|
{{22, 8}, {1, 0, 3}}, |
1742 |
|
{{21, 8}, {1, 6, 1}}, |
1743 |
|
{{20, 8}, {1, 7, 1}}, |
1744 |
|
{{19, 8}, {1, 8, 1}}, |
1745 |
|
{{24, 9}, {0, 12, 1}}, |
1746 |
|
{{23, 9}, {1, 0, 4}}, |
1747 |
|
{{22, 9}, {1, 1, 2}}, |
1748 |
|
{{21, 9}, {1, 10, 1}}, |
1749 |
|
{{20, 9}, {1, 11, 1}}, |
1750 |
|
{{19, 9}, {1, 12, 1}}, |
1751 |
|
{{18, 9}, {1, 13, 1}}, |
1752 |
|
{{17, 9}, {1, 14, 1}}, |
1753 |
|
{{ 7, 10}, {0, 13, 1}}, |
1754 |
|
{{ 6, 10}, {1, 0, 5}}, |
1755 |
|
{{ 5, 10}, {1, 1, 3}}, |
1756 |
|
{{ 4, 10}, {1, 2, 2}}, |
1757 |
|
{{36, 11}, {1, 3, 2}}, |
1758 |
|
{{37, 11}, {1, 4, 2}}, |
1759 |
|
{{38, 11}, {1, 15, 1}}, |
1760 |
|
{{39, 11}, {1, 16, 1}}, |
1761 |
|
{{88, 12}, {0, 14, 1}}, |
1762 |
|
{{89, 12}, {1, 0, 8}}, |
1763 |
|
{{90, 12}, {1, 5, 2}}, |
1764 |
|
{{91, 12}, {1, 6, 2}}, |
1765 |
|
{{92, 12}, {1, 17, 1}}, |
1766 |
|
{{93, 12}, {1, 18, 1}}, |
1767 |
|
{{94, 12}, {1, 19, 1}}, |
1768 |
|
{{95, 12}, {1, 20, 1}} |
1769 |
|
} |
1770 |
|
}; |
1771 |
|
|
1772 |
|
/* constants taken from momusys/vm_common/inlcude/max_level.h */ |
1773 |
|
uint8_t const max_level[2][2][64] = { |
1774 |
|
{ |
1775 |
|
/* intra = 0, last = 0 */ |
1776 |
|
{ |
1777 |
|
12, 6, 4, 3, 3, 3, 3, 2, |
1778 |
|
2, 2, 2, 1, 1, 1, 1, 1, |
1779 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
1780 |
|
1, 1, 1, 0, 0, 0, 0, 0, |
1781 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1782 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1783 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1784 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
1785 |
|
}, |
1786 |
|
/* intra = 0, last = 1 */ |
1787 |
|
{ |
1788 |
|
3, 2, 1, 1, 1, 1, 1, 1, |
1789 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
1790 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
1791 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
1792 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
1793 |
|
1, 0, 0, 0, 0, 0, 0, 0, |
1794 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1795 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
1796 |
|
} |
1797 |
|
}, |
1798 |
|
{ |
1799 |
|
/* intra = 1, last = 0 */ |
1800 |
|
{ |
1801 |
|
27, 10, 5, 4, 3, 3, 3, 3, |
1802 |
|
2, 2, 1, 1, 1, 1, 1, 0, |
1803 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1804 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1805 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1806 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1807 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1808 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
1809 |
|
}, |
1810 |
|
/* intra = 1, last = 1 */ |
1811 |
|
{ |
1812 |
|
8, 3, 2, 2, 2, 2, 2, 1, |
1813 |
|
1, 1, 1, 1, 1, 1, 1, 1, |
1814 |
|
1, 1, 1, 1, 1, 0, 0, 0, |
1815 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1816 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1817 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1818 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1819 |
|
0, 0, 0, 0, 0, 0, 0, 0 |
1820 |
|
} |
1821 |
|
} |
1822 |
|
}; |
1823 |
|
|
1824 |
|
uint8_t const max_run[2][2][64] = { |
1825 |
|
{ |
1826 |
|
/* intra = 0, last = 0 */ |
1827 |
|
{ |
1828 |
|
0, 26, 10, 6, 2, 1, 1, 0, |
1829 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1830 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1831 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1832 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1833 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1834 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1835 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1836 |
|
}, |
1837 |
|
/* intra = 0, last = 1 */ |
1838 |
|
{ |
1839 |
|
0, 40, 1, 0, 0, 0, 0, 0, |
1840 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1841 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1842 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1843 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1844 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1845 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1846 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1847 |
|
} |
1848 |
|
}, |
1849 |
|
{ |
1850 |
|
/* intra = 1, last = 0 */ |
1851 |
|
{ |
1852 |
|
0, 14, 9, 7, 3, 2, 1, 1, |
1853 |
|
1, 1, 1, 0, 0, 0, 0, 0, |
1854 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1855 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1856 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1857 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1858 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1859 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1860 |
|
}, |
1861 |
|
/* intra = 1, last = 1 */ |
1862 |
|
{ |
1863 |
|
0, 20, 6, 1, 0, 0, 0, 0, |
1864 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1865 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1866 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1867 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1868 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1869 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1870 |
|
0, 0, 0, 0, 0, 0, 0, 0, |
1871 |
|
} |
1872 |
|
} |
1873 |
|
}; |
1874 |
|
|
1875 |
|
/****************************************************************** |
1876 |
|
* encoder tables * |
1877 |
|
******************************************************************/ |
1878 |
|
|
1879 |
|
VLC sprite_trajectory_code[32768]; |
1880 |
|
|
1881 |
|
VLC sprite_trajectory_len[15] = { |
1882 |
|
{ 0x00 , 2}, |
1883 |
|
{ 0x02 , 3}, { 0x03, 3}, { 0x04, 3}, { 0x05, 3}, { 0x06, 3}, |
1884 |
|
{ 0x0E , 4}, { 0x1E, 5}, { 0x3E, 6}, { 0x7F, 7}, { 0xFE, 8}, |
1885 |
|
{ 0x1FE, 9}, {0x3FE,10}, {0x7FE,11}, {0xFFE,12} }; |
1886 |
|
|
1887 |
|
|
1888 |
|
/* DCT coefficients. Four tables, two for last = 0, two for last = 1. |
1889 |
|
the sign bit must be added afterwards. */ |
1890 |
|
|
1891 |
|
/* MCBPC Indexing by cbpc in first two bits, mode in last two. |
1892 |
|
CBPC as in table 4/H.263, MB type (mode): 3 = 01, 4 = 10. |
1893 |
|
Example: cbpc = 01 and mode = 4 gives index = 0110 = 6. */ |
1894 |
|
|
1895 |
|
VLC mcbpc_intra_tab[15] = { |
1896 |
|
{0x01, 9}, {0x01, 1}, {0x01, 4}, {0x00, 0}, |
1897 |
|
{0x00, 0}, {0x01, 3}, {0x01, 6}, {0x00, 0}, |
1898 |
|
{0x00, 0}, {0x02, 3}, {0x02, 6}, {0x00, 0}, |
1899 |
|
{0x00, 0}, {0x03, 3}, {0x03, 6} |
1900 |
|
}; |
1901 |
|
|
1902 |
|
/* MCBPC inter. |
1903 |
|
Addressing: 5 bit ccmmm (cc = CBPC, mmm = mode (1-4 binary)) */ |
1904 |
|
|
1905 |
|
VLC mcbpc_inter_tab[29] = { |
1906 |
|
{1, 1}, {3, 3}, {2, 3}, {3, 5}, {4, 6}, {1, 9}, {0, 0}, {0, 0}, |
1907 |
|
{3, 4}, {7, 7}, {5, 7}, {4, 8}, {4, 9}, {0, 0}, {0, 0}, {0, 0}, |
1908 |
|
{2, 4}, {6, 7}, {4, 7}, {3, 8}, {3, 9}, {0, 0}, {0, 0}, {0, 0}, |
1909 |
|
{5, 6}, {5, 9}, {5, 8}, {3, 7}, {2, 9} |
1910 |
|
}; |
1911 |
|
|
1912 |
|
const VLC xvid_cbpy_tab[16] = { |
1913 |
|
{3, 4}, {5, 5}, {4, 5}, {9, 4}, {3, 5}, {7, 4}, {2, 6}, {11, 4}, |
1914 |
|
{2, 5}, {3, 6}, {5, 4}, {10, 4}, {4, 4}, {8, 4}, {6, 4}, {3, 2} |
1915 |
|
}; |
1916 |
|
|
1917 |
|
const VLC dcy_tab[511] = { |
1918 |
|
{0x100, 15}, {0x101, 15}, {0x102, 15}, {0x103, 15}, |
1919 |
|
{0x104, 15}, {0x105, 15}, {0x106, 15}, {0x107, 15}, |
1920 |
|
{0x108, 15}, {0x109, 15}, {0x10a, 15}, {0x10b, 15}, |
1921 |
|
{0x10c, 15}, {0x10d, 15}, {0x10e, 15}, {0x10f, 15}, |
1922 |
|
{0x110, 15}, {0x111, 15}, {0x112, 15}, {0x113, 15}, |
1923 |
|
{0x114, 15}, {0x115, 15}, {0x116, 15}, {0x117, 15}, |
1924 |
|
{0x118, 15}, {0x119, 15}, {0x11a, 15}, {0x11b, 15}, |
1925 |
|
{0x11c, 15}, {0x11d, 15}, {0x11e, 15}, {0x11f, 15}, |
1926 |
|
{0x120, 15}, {0x121, 15}, {0x122, 15}, {0x123, 15}, |
1927 |
|
{0x124, 15}, {0x125, 15}, {0x126, 15}, {0x127, 15}, |
1928 |
|
{0x128, 15}, {0x129, 15}, {0x12a, 15}, {0x12b, 15}, |
1929 |
|
{0x12c, 15}, {0x12d, 15}, {0x12e, 15}, {0x12f, 15}, |
1930 |
|
{0x130, 15}, {0x131, 15}, {0x132, 15}, {0x133, 15}, |
1931 |
|
{0x134, 15}, {0x135, 15}, {0x136, 15}, {0x137, 15}, |
1932 |
|
{0x138, 15}, {0x139, 15}, {0x13a, 15}, {0x13b, 15}, |
1933 |
|
{0x13c, 15}, {0x13d, 15}, {0x13e, 15}, {0x13f, 15}, |
1934 |
|
{0x140, 15}, {0x141, 15}, {0x142, 15}, {0x143, 15}, |
1935 |
|
{0x144, 15}, {0x145, 15}, {0x146, 15}, {0x147, 15}, |
1936 |
|
{0x148, 15}, {0x149, 15}, {0x14a, 15}, {0x14b, 15}, |
1937 |
|
{0x14c, 15}, {0x14d, 15}, {0x14e, 15}, {0x14f, 15}, |
1938 |
|
{0x150, 15}, {0x151, 15}, {0x152, 15}, {0x153, 15}, |
1939 |
|
{0x154, 15}, {0x155, 15}, {0x156, 15}, {0x157, 15}, |
1940 |
|
{0x158, 15}, {0x159, 15}, {0x15a, 15}, {0x15b, 15}, |
1941 |
|
{0x15c, 15}, {0x15d, 15}, {0x15e, 15}, {0x15f, 15}, |
1942 |
|
{0x160, 15}, {0x161, 15}, {0x162, 15}, {0x163, 15}, |
1943 |
|
{0x164, 15}, {0x165, 15}, {0x166, 15}, {0x167, 15}, |
1944 |
|
{0x168, 15}, {0x169, 15}, {0x16a, 15}, {0x16b, 15}, |
1945 |
|
{0x16c, 15}, {0x16d, 15}, {0x16e, 15}, {0x16f, 15}, |
1946 |
|
{0x170, 15}, {0x171, 15}, {0x172, 15}, {0x173, 15}, |
1947 |
|
{0x174, 15}, {0x175, 15}, {0x176, 15}, {0x177, 15}, |
1948 |
|
{0x178, 15}, {0x179, 15}, {0x17a, 15}, {0x17b, 15}, |
1949 |
|
{0x17c, 15}, {0x17d, 15}, {0x17e, 15}, {0x17f, 15}, |
1950 |
|
{0x80, 13}, {0x81, 13}, {0x82, 13}, {0x83, 13}, |
1951 |
|
{0x84, 13}, {0x85, 13}, {0x86, 13}, {0x87, 13}, |
1952 |
|
{0x88, 13}, {0x89, 13}, {0x8a, 13}, {0x8b, 13}, |
1953 |
|
{0x8c, 13}, {0x8d, 13}, {0x8e, 13}, {0x8f, 13}, |
1954 |
|
{0x90, 13}, {0x91, 13}, {0x92, 13}, {0x93, 13}, |
1955 |
|
{0x94, 13}, {0x95, 13}, {0x96, 13}, {0x97, 13}, |
1956 |
|
{0x98, 13}, {0x99, 13}, {0x9a, 13}, {0x9b, 13}, |
1957 |
|
{0x9c, 13}, {0x9d, 13}, {0x9e, 13}, {0x9f, 13}, |
1958 |
|
{0xa0, 13}, {0xa1, 13}, {0xa2, 13}, {0xa3, 13}, |
1959 |
|
{0xa4, 13}, {0xa5, 13}, {0xa6, 13}, {0xa7, 13}, |
1960 |
|
{0xa8, 13}, {0xa9, 13}, {0xaa, 13}, {0xab, 13}, |
1961 |
|
{0xac, 13}, {0xad, 13}, {0xae, 13}, {0xaf, 13}, |
1962 |
|
{0xb0, 13}, {0xb1, 13}, {0xb2, 13}, {0xb3, 13}, |
1963 |
|
{0xb4, 13}, {0xb5, 13}, {0xb6, 13}, {0xb7, 13}, |
1964 |
|
{0xb8, 13}, {0xb9, 13}, {0xba, 13}, {0xbb, 13}, |
1965 |
|
{0xbc, 13}, {0xbd, 13}, {0xbe, 13}, {0xbf, 13}, |
1966 |
|
{0x40, 11}, {0x41, 11}, {0x42, 11}, {0x43, 11}, |
1967 |
|
{0x44, 11}, {0x45, 11}, {0x46, 11}, {0x47, 11}, |
1968 |
|
{0x48, 11}, {0x49, 11}, {0x4a, 11}, {0x4b, 11}, |
1969 |
|
{0x4c, 11}, {0x4d, 11}, {0x4e, 11}, {0x4f, 11}, |
1970 |
|
{0x50, 11}, {0x51, 11}, {0x52, 11}, {0x53, 11}, |
1971 |
|
{0x54, 11}, {0x55, 11}, {0x56, 11}, {0x57, 11}, |
1972 |
|
{0x58, 11}, {0x59, 11}, {0x5a, 11}, {0x5b, 11}, |
1973 |
|
{0x5c, 11}, {0x5d, 11}, {0x5e, 11}, {0x5f, 11}, |
1974 |
|
{0x20, 9}, {0x21, 9}, {0x22, 9}, {0x23, 9}, |
1975 |
|
{0x24, 9}, {0x25, 9}, {0x26, 9}, {0x27, 9}, |
1976 |
|
{0x28, 9}, {0x29, 9}, {0x2a, 9}, {0x2b, 9}, |
1977 |
|
{0x2c, 9}, {0x2d, 9}, {0x2e, 9}, {0x2f, 9}, |
1978 |
|
{0x10, 7}, {0x11, 7}, {0x12, 7}, {0x13, 7}, |
1979 |
|
{0x14, 7}, {0x15, 7}, {0x16, 7}, {0x17, 7}, |
1980 |
|
{0x10, 6}, {0x11, 6}, {0x12, 6}, {0x13, 6}, |
1981 |
|
{0x08, 4}, {0x09, 4}, {0x06, 3}, {0x03, 3}, |
1982 |
|
{0x07, 3}, {0x0a, 4}, {0x0b, 4}, {0x14, 6}, |
1983 |
|
{0x15, 6}, {0x16, 6}, {0x17, 6}, {0x18, 7}, |
1984 |
|
{0x19, 7}, {0x1a, 7}, {0x1b, 7}, {0x1c, 7}, |
1985 |
|
{0x1d, 7}, {0x1e, 7}, {0x1f, 7}, {0x30, 9}, |
1986 |
|
{0x31, 9}, {0x32, 9}, {0x33, 9}, {0x34, 9}, |
1987 |
|
{0x35, 9}, {0x36, 9}, {0x37, 9}, {0x38, 9}, |
1988 |
|
{0x39, 9}, {0x3a, 9}, {0x3b, 9}, {0x3c, 9}, |
1989 |
|
{0x3d, 9}, {0x3e, 9}, {0x3f, 9}, {0x60, 11}, |
1990 |
|
{0x61, 11}, {0x62, 11}, {0x63, 11}, {0x64, 11}, |
1991 |
|
{0x65, 11}, {0x66, 11}, {0x67, 11}, {0x68, 11}, |
1992 |
|
{0x69, 11}, {0x6a, 11}, {0x6b, 11}, {0x6c, 11}, |
1993 |
|
{0x6d, 11}, {0x6e, 11}, {0x6f, 11}, {0x70, 11}, |
1994 |
|
{0x71, 11}, {0x72, 11}, {0x73, 11}, {0x74, 11}, |
1995 |
|
{0x75, 11}, {0x76, 11}, {0x77, 11}, {0x78, 11}, |
1996 |
|
{0x79, 11}, {0x7a, 11}, {0x7b, 11}, {0x7c, 11}, |
1997 |
|
{0x7d, 11}, {0x7e, 11}, {0x7f, 11}, {0xc0, 13}, |
1998 |
|
{0xc1, 13}, {0xc2, 13}, {0xc3, 13}, {0xc4, 13}, |
1999 |
|
{0xc5, 13}, {0xc6, 13}, {0xc7, 13}, {0xc8, 13}, |
2000 |
|
{0xc9, 13}, {0xca, 13}, {0xcb, 13}, {0xcc, 13}, |
2001 |
|
{0xcd, 13}, {0xce, 13}, {0xcf, 13}, {0xd0, 13}, |
2002 |
|
{0xd1, 13}, {0xd2, 13}, {0xd3, 13}, {0xd4, 13}, |
2003 |
|
{0xd5, 13}, {0xd6, 13}, {0xd7, 13}, {0xd8, 13}, |
2004 |
|
{0xd9, 13}, {0xda, 13}, {0xdb, 13}, {0xdc, 13}, |
2005 |
|
{0xdd, 13}, {0xde, 13}, {0xdf, 13}, {0xe0, 13}, |
2006 |
|
{0xe1, 13}, {0xe2, 13}, {0xe3, 13}, {0xe4, 13}, |
2007 |
|
{0xe5, 13}, {0xe6, 13}, {0xe7, 13}, {0xe8, 13}, |
2008 |
|
{0xe9, 13}, {0xea, 13}, {0xeb, 13}, {0xec, 13}, |
2009 |
|
{0xed, 13}, {0xee, 13}, {0xef, 13}, {0xf0, 13}, |
2010 |
|
{0xf1, 13}, {0xf2, 13}, {0xf3, 13}, {0xf4, 13}, |
2011 |
|
{0xf5, 13}, {0xf6, 13}, {0xf7, 13}, {0xf8, 13}, |
2012 |
|
{0xf9, 13}, {0xfa, 13}, {0xfb, 13}, {0xfc, 13}, |
2013 |
|
{0xfd, 13}, {0xfe, 13}, {0xff, 13}, {0x180, 15}, |
2014 |
|
{0x181, 15}, {0x182, 15}, {0x183, 15}, {0x184, 15}, |
2015 |
|
{0x185, 15}, {0x186, 15}, {0x187, 15}, {0x188, 15}, |
2016 |
|
{0x189, 15}, {0x18a, 15}, {0x18b, 15}, {0x18c, 15}, |
2017 |
|
{0x18d, 15}, {0x18e, 15}, {0x18f, 15}, {0x190, 15}, |
2018 |
|
{0x191, 15}, {0x192, 15}, {0x193, 15}, {0x194, 15}, |
2019 |
|
{0x195, 15}, {0x196, 15}, {0x197, 15}, {0x198, 15}, |
2020 |
|
{0x199, 15}, {0x19a, 15}, {0x19b, 15}, {0x19c, 15}, |
2021 |
|
{0x19d, 15}, {0x19e, 15}, {0x19f, 15}, {0x1a0, 15}, |
2022 |
|
{0x1a1, 15}, {0x1a2, 15}, {0x1a3, 15}, {0x1a4, 15}, |
2023 |
|
{0x1a5, 15}, {0x1a6, 15}, {0x1a7, 15}, {0x1a8, 15}, |
2024 |
|
{0x1a9, 15}, {0x1aa, 15}, {0x1ab, 15}, {0x1ac, 15}, |
2025 |
|
{0x1ad, 15}, {0x1ae, 15}, {0x1af, 15}, {0x1b0, 15}, |
2026 |
|
{0x1b1, 15}, {0x1b2, 15}, {0x1b3, 15}, {0x1b4, 15}, |
2027 |
|
{0x1b5, 15}, {0x1b6, 15}, {0x1b7, 15}, {0x1b8, 15}, |
2028 |
|
{0x1b9, 15}, {0x1ba, 15}, {0x1bb, 15}, {0x1bc, 15}, |
2029 |
|
{0x1bd, 15}, {0x1be, 15}, {0x1bf, 15}, {0x1c0, 15}, |
2030 |
|
{0x1c1, 15}, {0x1c2, 15}, {0x1c3, 15}, {0x1c4, 15}, |
2031 |
|
{0x1c5, 15}, {0x1c6, 15}, {0x1c7, 15}, {0x1c8, 15}, |
2032 |
|
{0x1c9, 15}, {0x1ca, 15}, {0x1cb, 15}, {0x1cc, 15}, |
2033 |
|
{0x1cd, 15}, {0x1ce, 15}, {0x1cf, 15}, {0x1d0, 15}, |
2034 |
|
{0x1d1, 15}, {0x1d2, 15}, {0x1d3, 15}, {0x1d4, 15}, |
2035 |
|
{0x1d5, 15}, {0x1d6, 15}, {0x1d7, 15}, {0x1d8, 15}, |
2036 |
|
{0x1d9, 15}, {0x1da, 15}, {0x1db, 15}, {0x1dc, 15}, |
2037 |
|
{0x1dd, 15}, {0x1de, 15}, {0x1df, 15}, {0x1e0, 15}, |
2038 |
|
{0x1e1, 15}, {0x1e2, 15}, {0x1e3, 15}, {0x1e4, 15}, |
2039 |
|
{0x1e5, 15}, {0x1e6, 15}, {0x1e7, 15}, {0x1e8, 15}, |
2040 |
|
{0x1e9, 15}, {0x1ea, 15}, {0x1eb, 15}, {0x1ec, 15}, |
2041 |
|
{0x1ed, 15}, {0x1ee, 15}, {0x1ef, 15}, {0x1f0, 15}, |
2042 |
|
{0x1f1, 15}, {0x1f2, 15}, {0x1f3, 15}, {0x1f4, 15}, |
2043 |
|
{0x1f5, 15}, {0x1f6, 15}, {0x1f7, 15}, {0x1f8, 15}, |
2044 |
|
{0x1f9, 15}, {0x1fa, 15}, {0x1fb, 15}, {0x1fc, 15}, |
2045 |
|
{0x1fd, 15}, {0x1fe, 15}, {0x1ff, 15}, |
2046 |
|
}; |
2047 |
|
|
2048 |
|
const VLC dcc_tab[511] = { |
2049 |
|
{0x100, 16}, {0x101, 16}, {0x102, 16}, {0x103, 16}, |
2050 |
|
{0x104, 16}, {0x105, 16}, {0x106, 16}, {0x107, 16}, |
2051 |
|
{0x108, 16}, {0x109, 16}, {0x10a, 16}, {0x10b, 16}, |
2052 |
|
{0x10c, 16}, {0x10d, 16}, {0x10e, 16}, {0x10f, 16}, |
2053 |
|
{0x110, 16}, {0x111, 16}, {0x112, 16}, {0x113, 16}, |
2054 |
|
{0x114, 16}, {0x115, 16}, {0x116, 16}, {0x117, 16}, |
2055 |
|
{0x118, 16}, {0x119, 16}, {0x11a, 16}, {0x11b, 16}, |
2056 |
|
{0x11c, 16}, {0x11d, 16}, {0x11e, 16}, {0x11f, 16}, |
2057 |
|
{0x120, 16}, {0x121, 16}, {0x122, 16}, {0x123, 16}, |
2058 |
|
{0x124, 16}, {0x125, 16}, {0x126, 16}, {0x127, 16}, |
2059 |
|
{0x128, 16}, {0x129, 16}, {0x12a, 16}, {0x12b, 16}, |
2060 |
|
{0x12c, 16}, {0x12d, 16}, {0x12e, 16}, {0x12f, 16}, |
2061 |
|
{0x130, 16}, {0x131, 16}, {0x132, 16}, {0x133, 16}, |
2062 |
|
{0x134, 16}, {0x135, 16}, {0x136, 16}, {0x137, 16}, |
2063 |
|
{0x138, 16}, {0x139, 16}, {0x13a, 16}, {0x13b, 16}, |
2064 |
|
{0x13c, 16}, {0x13d, 16}, {0x13e, 16}, {0x13f, 16}, |
2065 |
|
{0x140, 16}, {0x141, 16}, {0x142, 16}, {0x143, 16}, |
2066 |
|
{0x144, 16}, {0x145, 16}, {0x146, 16}, {0x147, 16}, |
2067 |
|
{0x148, 16}, {0x149, 16}, {0x14a, 16}, {0x14b, 16}, |
2068 |
|
{0x14c, 16}, {0x14d, 16}, {0x14e, 16}, {0x14f, 16}, |
2069 |
|
{0x150, 16}, {0x151, 16}, {0x152, 16}, {0x153, 16}, |
2070 |
|
{0x154, 16}, {0x155, 16}, {0x156, 16}, {0x157, 16}, |
2071 |
|
{0x158, 16}, {0x159, 16}, {0x15a, 16}, {0x15b, 16}, |
2072 |
|
{0x15c, 16}, {0x15d, 16}, {0x15e, 16}, {0x15f, 16}, |
2073 |
|
{0x160, 16}, {0x161, 16}, {0x162, 16}, {0x163, 16}, |
2074 |
|
{0x164, 16}, {0x165, 16}, {0x166, 16}, {0x167, 16}, |
2075 |
|
{0x168, 16}, {0x169, 16}, {0x16a, 16}, {0x16b, 16}, |
2076 |
|
{0x16c, 16}, {0x16d, 16}, {0x16e, 16}, {0x16f, 16}, |
2077 |
|
{0x170, 16}, {0x171, 16}, {0x172, 16}, {0x173, 16}, |
2078 |
|
{0x174, 16}, {0x175, 16}, {0x176, 16}, {0x177, 16}, |
2079 |
|
{0x178, 16}, {0x179, 16}, {0x17a, 16}, {0x17b, 16}, |
2080 |
|
{0x17c, 16}, {0x17d, 16}, {0x17e, 16}, {0x17f, 16}, |
2081 |
|
{0x80, 14}, {0x81, 14}, {0x82, 14}, {0x83, 14}, |
2082 |
|
{0x84, 14}, {0x85, 14}, {0x86, 14}, {0x87, 14}, |
2083 |
|
{0x88, 14}, {0x89, 14}, {0x8a, 14}, {0x8b, 14}, |
2084 |
|
{0x8c, 14}, {0x8d, 14}, {0x8e, 14}, {0x8f, 14}, |
2085 |
|
{0x90, 14}, {0x91, 14}, {0x92, 14}, {0x93, 14}, |
2086 |
|
{0x94, 14}, {0x95, 14}, {0x96, 14}, {0x97, 14}, |
2087 |
|
{0x98, 14}, {0x99, 14}, {0x9a, 14}, {0x9b, 14}, |
2088 |
|
{0x9c, 14}, {0x9d, 14}, {0x9e, 14}, {0x9f, 14}, |
2089 |
|
{0xa0, 14}, {0xa1, 14}, {0xa2, 14}, {0xa3, 14}, |
2090 |
|
{0xa4, 14}, {0xa5, 14}, {0xa6, 14}, {0xa7, 14}, |
2091 |
|
{0xa8, 14}, {0xa9, 14}, {0xaa, 14}, {0xab, 14}, |
2092 |
|
{0xac, 14}, {0xad, 14}, {0xae, 14}, {0xaf, 14}, |
2093 |
|
{0xb0, 14}, {0xb1, 14}, {0xb2, 14}, {0xb3, 14}, |
2094 |
|
{0xb4, 14}, {0xb5, 14}, {0xb6, 14}, {0xb7, 14}, |
2095 |
|
{0xb8, 14}, {0xb9, 14}, {0xba, 14}, {0xbb, 14}, |
2096 |
|
{0xbc, 14}, {0xbd, 14}, {0xbe, 14}, {0xbf, 14}, |
2097 |
|
{0x40, 12}, {0x41, 12}, {0x42, 12}, {0x43, 12}, |
2098 |
|
{0x44, 12}, {0x45, 12}, {0x46, 12}, {0x47, 12}, |
2099 |
|
{0x48, 12}, {0x49, 12}, {0x4a, 12}, {0x4b, 12}, |
2100 |
|
{0x4c, 12}, {0x4d, 12}, {0x4e, 12}, {0x4f, 12}, |
2101 |
|
{0x50, 12}, {0x51, 12}, {0x52, 12}, {0x53, 12}, |
2102 |
|
{0x54, 12}, {0x55, 12}, {0x56, 12}, {0x57, 12}, |
2103 |
|
{0x58, 12}, {0x59, 12}, {0x5a, 12}, {0x5b, 12}, |
2104 |
|
{0x5c, 12}, {0x5d, 12}, {0x5e, 12}, {0x5f, 12}, |
2105 |
|
{0x20, 10}, {0x21, 10}, {0x22, 10}, {0x23, 10}, |
2106 |
|
{0x24, 10}, {0x25, 10}, {0x26, 10}, {0x27, 10}, |
2107 |
|
{0x28, 10}, {0x29, 10}, {0x2a, 10}, {0x2b, 10}, |
2108 |
|
{0x2c, 10}, {0x2d, 10}, {0x2e, 10}, {0x2f, 10}, |
2109 |
|
{0x10, 8}, {0x11, 8}, {0x12, 8}, {0x13, 8}, |
2110 |
|
{0x14, 8}, {0x15, 8}, {0x16, 8}, {0x17, 8}, |
2111 |
|
{0x08, 6}, {0x09, 6}, {0x0a, 6}, {0x0b, 6}, |
2112 |
|
{0x04, 4}, {0x05, 4}, {0x04, 3}, {0x03, 2}, |
2113 |
|
{0x05, 3}, {0x06, 4}, {0x07, 4}, {0x0c, 6}, |
2114 |
|
{0x0d, 6}, {0x0e, 6}, {0x0f, 6}, {0x18, 8}, |
2115 |
|
{0x19, 8}, {0x1a, 8}, {0x1b, 8}, {0x1c, 8}, |
2116 |
|
{0x1d, 8}, {0x1e, 8}, {0x1f, 8}, {0x30, 10}, |
2117 |
|
{0x31, 10}, {0x32, 10}, {0x33, 10}, {0x34, 10}, |
2118 |
|
{0x35, 10}, {0x36, 10}, {0x37, 10}, {0x38, 10}, |
2119 |
|
{0x39, 10}, {0x3a, 10}, {0x3b, 10}, {0x3c, 10}, |
2120 |
|
{0x3d, 10}, {0x3e, 10}, {0x3f, 10}, {0x60, 12}, |
2121 |
|
{0x61, 12}, {0x62, 12}, {0x63, 12}, {0x64, 12}, |
2122 |
|
{0x65, 12}, {0x66, 12}, {0x67, 12}, {0x68, 12}, |
2123 |
|
{0x69, 12}, {0x6a, 12}, {0x6b, 12}, {0x6c, 12}, |
2124 |
|
{0x6d, 12}, {0x6e, 12}, {0x6f, 12}, {0x70, 12}, |
2125 |
|
{0x71, 12}, {0x72, 12}, {0x73, 12}, {0x74, 12}, |
2126 |
|
{0x75, 12}, {0x76, 12}, {0x77, 12}, {0x78, 12}, |
2127 |
|
{0x79, 12}, {0x7a, 12}, {0x7b, 12}, {0x7c, 12}, |
2128 |
|
{0x7d, 12}, {0x7e, 12}, {0x7f, 12}, {0xc0, 14}, |
2129 |
|
{0xc1, 14}, {0xc2, 14}, {0xc3, 14}, {0xc4, 14}, |
2130 |
|
{0xc5, 14}, {0xc6, 14}, {0xc7, 14}, {0xc8, 14}, |
2131 |
|
{0xc9, 14}, {0xca, 14}, {0xcb, 14}, {0xcc, 14}, |
2132 |
|
{0xcd, 14}, {0xce, 14}, {0xcf, 14}, {0xd0, 14}, |
2133 |
|
{0xd1, 14}, {0xd2, 14}, {0xd3, 14}, {0xd4, 14}, |
2134 |
|
{0xd5, 14}, {0xd6, 14}, {0xd7, 14}, {0xd8, 14}, |
2135 |
|
{0xd9, 14}, {0xda, 14}, {0xdb, 14}, {0xdc, 14}, |
2136 |
|
{0xdd, 14}, {0xde, 14}, {0xdf, 14}, {0xe0, 14}, |
2137 |
|
{0xe1, 14}, {0xe2, 14}, {0xe3, 14}, {0xe4, 14}, |
2138 |
|
{0xe5, 14}, {0xe6, 14}, {0xe7, 14}, {0xe8, 14}, |
2139 |
|
{0xe9, 14}, {0xea, 14}, {0xeb, 14}, {0xec, 14}, |
2140 |
|
{0xed, 14}, {0xee, 14}, {0xef, 14}, {0xf0, 14}, |
2141 |
|
{0xf1, 14}, {0xf2, 14}, {0xf3, 14}, {0xf4, 14}, |
2142 |
|
{0xf5, 14}, {0xf6, 14}, {0xf7, 14}, {0xf8, 14}, |
2143 |
|
{0xf9, 14}, {0xfa, 14}, {0xfb, 14}, {0xfc, 14}, |
2144 |
|
{0xfd, 14}, {0xfe, 14}, {0xff, 14}, {0x180, 16}, |
2145 |
|
{0x181, 16}, {0x182, 16}, {0x183, 16}, {0x184, 16}, |
2146 |
|
{0x185, 16}, {0x186, 16}, {0x187, 16}, {0x188, 16}, |
2147 |
|
{0x189, 16}, {0x18a, 16}, {0x18b, 16}, {0x18c, 16}, |
2148 |
|
{0x18d, 16}, {0x18e, 16}, {0x18f, 16}, {0x190, 16}, |
2149 |
|
{0x191, 16}, {0x192, 16}, {0x193, 16}, {0x194, 16}, |
2150 |
|
{0x195, 16}, {0x196, 16}, {0x197, 16}, {0x198, 16}, |
2151 |
|
{0x199, 16}, {0x19a, 16}, {0x19b, 16}, {0x19c, 16}, |
2152 |
|
{0x19d, 16}, {0x19e, 16}, {0x19f, 16}, {0x1a0, 16}, |
2153 |
|
{0x1a1, 16}, {0x1a2, 16}, {0x1a3, 16}, {0x1a4, 16}, |
2154 |
|
{0x1a5, 16}, {0x1a6, 16}, {0x1a7, 16}, {0x1a8, 16}, |
2155 |
|
{0x1a9, 16}, {0x1aa, 16}, {0x1ab, 16}, {0x1ac, 16}, |
2156 |
|
{0x1ad, 16}, {0x1ae, 16}, {0x1af, 16}, {0x1b0, 16}, |
2157 |
|
{0x1b1, 16}, {0x1b2, 16}, {0x1b3, 16}, {0x1b4, 16}, |
2158 |
|
{0x1b5, 16}, {0x1b6, 16}, {0x1b7, 16}, {0x1b8, 16}, |
2159 |
|
{0x1b9, 16}, {0x1ba, 16}, {0x1bb, 16}, {0x1bc, 16}, |
2160 |
|
{0x1bd, 16}, {0x1be, 16}, {0x1bf, 16}, {0x1c0, 16}, |
2161 |
|
{0x1c1, 16}, {0x1c2, 16}, {0x1c3, 16}, {0x1c4, 16}, |
2162 |
|
{0x1c5, 16}, {0x1c6, 16}, {0x1c7, 16}, {0x1c8, 16}, |
2163 |
|
{0x1c9, 16}, {0x1ca, 16}, {0x1cb, 16}, {0x1cc, 16}, |
2164 |
|
{0x1cd, 16}, {0x1ce, 16}, {0x1cf, 16}, {0x1d0, 16}, |
2165 |
|
{0x1d1, 16}, {0x1d2, 16}, {0x1d3, 16}, {0x1d4, 16}, |
2166 |
|
{0x1d5, 16}, {0x1d6, 16}, {0x1d7, 16}, {0x1d8, 16}, |
2167 |
|
{0x1d9, 16}, {0x1da, 16}, {0x1db, 16}, {0x1dc, 16}, |
2168 |
|
{0x1dd, 16}, {0x1de, 16}, {0x1df, 16}, {0x1e0, 16}, |
2169 |
|
{0x1e1, 16}, {0x1e2, 16}, {0x1e3, 16}, {0x1e4, 16}, |
2170 |
|
{0x1e5, 16}, {0x1e6, 16}, {0x1e7, 16}, {0x1e8, 16}, |
2171 |
|
{0x1e9, 16}, {0x1ea, 16}, {0x1eb, 16}, {0x1ec, 16}, |
2172 |
|
{0x1ed, 16}, {0x1ee, 16}, {0x1ef, 16}, {0x1f0, 16}, |
2173 |
|
{0x1f1, 16}, {0x1f2, 16}, {0x1f3, 16}, {0x1f4, 16}, |
2174 |
|
{0x1f5, 16}, {0x1f6, 16}, {0x1f7, 16}, {0x1f8, 16}, |
2175 |
|
{0x1f9, 16}, {0x1fa, 16}, {0x1fb, 16}, {0x1fc, 16}, |
2176 |
|
{0x1fd, 16}, {0x1fe, 16}, {0x1ff, 16}, |
2177 |
|
}; |
2178 |
|
|
2179 |
|
|
2180 |
|
const VLC mb_motion_table[65] = { |
2181 |
|
{0x05, 13}, {0x07, 13}, {0x05, 12}, {0x07, 12}, |
2182 |
|
{0x09, 12}, {0x0b, 12}, {0x0d, 12}, {0x0f, 12}, |
2183 |
|
{0x09, 11}, {0x0b, 11}, {0x0d, 11}, {0x0f, 11}, |
2184 |
|
{0x11, 11}, {0x13, 11}, {0x15, 11}, {0x17, 11}, |
2185 |
|
{0x19, 11}, {0x1b, 11}, {0x1d, 11}, {0x1f, 11}, |
2186 |
|
{0x21, 11}, {0x23, 11}, {0x13, 10}, {0x15, 10}, |
2187 |
|
{0x17, 10}, {0x07, 8}, {0x09, 8}, {0x0b, 8}, |
2188 |
|
{0x07, 7}, {0x03, 5}, {0x03, 4}, {0x03, 3}, |
2189 |
|
{0x01, 1}, {0x02, 3}, {0x02, 4}, {0x02, 5}, |
2190 |
|
{0x06, 7}, {0x0a, 8}, {0x08, 8}, {0x06, 8}, |
2191 |
|
{0x16, 10}, {0x14, 10}, {0x12, 10}, {0x22, 11}, |
2192 |
|
{0x20, 11}, {0x1e, 11}, {0x1c, 11}, {0x1a, 11}, |
2193 |
|
{0x18, 11}, {0x16, 11}, {0x14, 11}, {0x12, 11}, |
2194 |
|
{0x10, 11}, {0x0e, 11}, {0x0c, 11}, {0x0a, 11}, |
2195 |
|
{0x08, 11}, {0x0e, 12}, {0x0c, 12}, {0x0a, 12}, |
2196 |
|
{0x08, 12}, {0x06, 12}, {0x04, 12}, {0x06, 13}, |
2197 |
|
{0x04, 13} |
2198 |
|
}; |
2199 |
|
|
2200 |
|
|
2201 |
|
/****************************************************************** |
2202 |
|
* decoder tables * |
2203 |
|
******************************************************************/ |
2204 |
|
|
2205 |
|
VLC const mcbpc_intra_table[64] = { |
2206 |
|
{-1, 0}, {20, 6}, {36, 6}, {52, 6}, {4, 4}, {4, 4}, {4, 4}, {4, 4}, |
2207 |
|
{19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, {19, 3}, |
2208 |
|
{35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, {35, 3}, |
2209 |
|
{51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, {51, 3}, |
2210 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
2211 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
2212 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, |
2213 |
|
{3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1}, {3, 1} |
2214 |
|
}; |
2215 |
|
|
2216 |
|
VLC const mcbpc_inter_table[257] = { |
2217 |
|
{VLC_ERROR, 0}, {255, 9}, {52, 9}, {36, 9}, {20, 9}, {49, 9}, {35, 8}, {35, 8}, |
2218 |
|
{19, 8}, {19, 8}, {50, 8}, {50, 8}, {51, 7}, {51, 7}, {51, 7}, {51, 7}, |
2219 |
|
{34, 7}, {34, 7}, {34, 7}, {34, 7}, {18, 7}, {18, 7}, {18, 7}, {18, 7}, |
2220 |
|
{33, 7}, {33, 7}, {33, 7}, {33, 7}, {17, 7}, {17, 7}, {17, 7}, {17, 7}, |
2221 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, {4, 6}, |
2222 |
|
{48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, {48, 6}, |
2223 |
|
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
2224 |
|
{3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, {3, 5}, |
2225 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
2226 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
2227 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
2228 |
|
{32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, {32, 4}, |
2229 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
2230 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
2231 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
2232 |
|
{16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, {16, 4}, |
2233 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2234 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2235 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2236 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2237 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2238 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2239 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2240 |
|
{2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, {2, 3}, |
2241 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2242 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2243 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2244 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2245 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2246 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2247 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2248 |
|
{1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, {1, 3}, |
2249 |
|
{0, 1} |
2250 |
|
}; |
2251 |
|
|
2252 |
|
VLC const cbpy_table[64] = { |
2253 |
|
{-1, 0}, {-1, 0}, {6, 6}, {9, 6}, {8, 5}, {8, 5}, {4, 5}, {4, 5}, |
2254 |
|
{2, 5}, {2, 5}, {1, 5}, {1, 5}, {0, 4}, {0, 4}, {0, 4}, {0, 4}, |
2255 |
|
{12, 4}, {12, 4}, {12, 4}, {12, 4}, {10, 4}, {10, 4}, {10, 4}, {10, 4}, |
2256 |
|
{14, 4}, {14, 4}, {14, 4}, {14, 4}, {5, 4}, {5, 4}, {5, 4}, {5, 4}, |
2257 |
|
{13, 4}, {13, 4}, {13, 4}, {13, 4}, {3, 4}, {3, 4}, {3, 4}, {3, 4}, |
2258 |
|
{11, 4}, {11, 4}, {11, 4}, {11, 4}, {7, 4}, {7, 4}, {7, 4}, {7, 4}, |
2259 |
|
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, |
2260 |
|
{15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2}, {15, 2} |
2261 |
|
}; |
2262 |
|
|
2263 |
|
VLC const TMNMVtab0[] = { |
2264 |
|
{3, 4}, {-3, 4}, {2, 3}, {2, 3}, {-2, 3}, {-2, 3}, {1, 2}, |
2265 |
|
{1, 2}, {1, 2}, {1, 2}, {-1, 2}, {-1, 2}, {-1, 2}, {-1, 2} |
2266 |
|
}; |
2267 |
|
|
2268 |
|
VLC const TMNMVtab1[] = { |
2269 |
|
{12, 10}, {-12, 10}, {11, 10}, {-11, 10}, |
2270 |
|
{10, 9}, {10, 9}, {-10, 9}, {-10, 9}, |
2271 |
|
{9, 9}, {9, 9}, {-9, 9}, {-9, 9}, |
2272 |
|
{8, 9}, {8, 9}, {-8, 9}, {-8, 9}, |
2273 |
|
{7, 7}, {7, 7}, {7, 7}, {7, 7}, |
2274 |
|
{7, 7}, {7, 7}, {7, 7}, {7, 7}, |
2275 |
|
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
2276 |
|
{-7, 7}, {-7, 7}, {-7, 7}, {-7, 7}, |
2277 |
|
{6, 7}, {6, 7}, {6, 7}, {6, 7}, |
2278 |
|
{6, 7}, {6, 7}, {6, 7}, {6, 7}, |
2279 |
|
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, |
2280 |
|
{-6, 7}, {-6, 7}, {-6, 7}, {-6, 7}, |
2281 |
|
{5, 7}, {5, 7}, {5, 7}, {5, 7}, |
2282 |
|
{5, 7}, {5, 7}, {5, 7}, {5, 7}, |
2283 |
|
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, |
2284 |
|
{-5, 7}, {-5, 7}, {-5, 7}, {-5, 7}, |
2285 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
2286 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
2287 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
2288 |
|
{4, 6}, {4, 6}, {4, 6}, {4, 6}, |
2289 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
2290 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
2291 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6}, |
2292 |
|
{-4, 6}, {-4, 6}, {-4, 6}, {-4, 6} |
2293 |
|
}; |
2294 |
|
|
2295 |
|
VLC const TMNMVtab2[] = { |
2296 |
|
{32, 12}, {-32, 12}, {31, 12}, {-31, 12}, |
2297 |
|
{30, 11}, {30, 11}, {-30, 11}, {-30, 11}, |
2298 |
|
{29, 11}, {29, 11}, {-29, 11}, {-29, 11}, |
2299 |
|
{28, 11}, {28, 11}, {-28, 11}, {-28, 11}, |
2300 |
|
{27, 11}, {27, 11}, {-27, 11}, {-27, 11}, |
2301 |
|
{26, 11}, {26, 11}, {-26, 11}, {-26, 11}, |
2302 |
|
{25, 11}, {25, 11}, {-25, 11}, {-25, 11}, |
2303 |
|
{24, 10}, {24, 10}, {24, 10}, {24, 10}, |
2304 |
|
{-24, 10}, {-24, 10}, {-24, 10}, {-24, 10}, |
2305 |
|
{23, 10}, {23, 10}, {23, 10}, {23, 10}, |
2306 |
|
{-23, 10}, {-23, 10}, {-23, 10}, {-23, 10}, |
2307 |
|
{22, 10}, {22, 10}, {22, 10}, {22, 10}, |
2308 |
|
{-22, 10}, {-22, 10}, {-22, 10}, {-22, 10}, |
2309 |
|
{21, 10}, {21, 10}, {21, 10}, {21, 10}, |
2310 |
|
{-21, 10}, {-21, 10}, {-21, 10}, {-21, 10}, |
2311 |
|
{20, 10}, {20, 10}, {20, 10}, {20, 10}, |
2312 |
|
{-20, 10}, {-20, 10}, {-20, 10}, {-20, 10}, |
2313 |
|
{19, 10}, {19, 10}, {19, 10}, {19, 10}, |
2314 |
|
{-19, 10}, {-19, 10}, {-19, 10}, {-19, 10}, |
2315 |
|
{18, 10}, {18, 10}, {18, 10}, {18, 10}, |
2316 |
|
{-18, 10}, {-18, 10}, {-18, 10}, {-18, 10}, |
2317 |
|
{17, 10}, {17, 10}, {17, 10}, {17, 10}, |
2318 |
|
{-17, 10}, {-17, 10}, {-17, 10}, {-17, 10}, |
2319 |
|
{16, 10}, {16, 10}, {16, 10}, {16, 10}, |
2320 |
|
{-16, 10}, {-16, 10}, {-16, 10}, {-16, 10}, |
2321 |
|
{15, 10}, {15, 10}, {15, 10}, {15, 10}, |
2322 |
|
{-15, 10}, {-15, 10}, {-15, 10}, {-15, 10}, |
2323 |
|
{14, 10}, {14, 10}, {14, 10}, {14, 10}, |
2324 |
|
{-14, 10}, {-14, 10}, {-14, 10}, {-14, 10}, |
2325 |
|
{13, 10}, {13, 10}, {13, 10}, {13, 10}, |
2326 |
|
{-13, 10}, {-13, 10}, {-13, 10}, {-13, 10} |
2327 |
|
}; |
2328 |
|
|
2329 |
|
short const dc_threshold[] = { |
2330 |
|
21514, 26984, 8307, 28531, 29798, 24951, 25970, 26912, |
2331 |
|
8307, 25956, 26994, 25974, 8292, 29286, 28015, 29728, |
2332 |
|
25960, 18208, 21838, 18208, 19536, 22560, 26998, 8260, |
2333 |
|
28515, 25956, 8291, 25640, 30309, 27749, 11817, 22794, |
2334 |
|
30063, 8306, 28531, 29798, 24951, 25970, 25632, 29545, |
2335 |
|
29300, 25193, 29813, 29295, 26656, 29537, 29728, 8303, |
2336 |
|
26983, 25974, 24864, 25443, 29541, 8307, 28532, 26912, |
2337 |
|
29556, 29472, 30063, 25458, 8293, 28515, 25956, 2606 |
2338 |
|
}; |
2339 |
|
|
2340 |
|
VLC const dc_lum_tab[] = { |
2341 |
|
{0, 0}, {4, 3}, {3, 3}, {0, 3}, |
2342 |
|
{2, 2}, {2, 2}, {1, 2}, {1, 2}, |
2343 |
|
}; |