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ffmpeg/libavcodec/vp56data.h
Aurelien Jacobs 5ce117c37c VP5 and VP6 video decoder 
Originally committed as revision 6213 to svn://svn.ffmpeg.org/ffmpeg/trunk
2006-09-09 17:19:37 +00:00

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/**
* @file vp56data.h
* VP5 and VP6 compatible video decoder (common data)
*
* Copyright (C) 2006 Aurelien Jacobs <aurel@gnuage.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef VP56DATA_H
#define VP56DATA_H
#include <inttypes.h>
typedef enum {
VP56_FRAME_CURRENT = 0,
VP56_FRAME_PREVIOUS = 1,
VP56_FRAME_GOLDEN = 2,
} vp56_frame_t;
typedef enum {
VP56_MB_INTER_NOVEC_PF = 0, /**< Inter MB, no vector, from previous frame */
VP56_MB_INTRA = 1, /**< Intra MB */
VP56_MB_INTER_DELTA_PF = 2, /**< Inter MB, above/left vector + delta, from previous frame */
VP56_MB_INTER_V1_PF = 3, /**< Inter MB, first vector, from previous frame */
VP56_MB_INTER_V2_PF = 4, /**< Inter MB, second vector, from previous frame */
VP56_MB_INTER_NOVEC_GF = 5, /**< Inter MB, no vector, from golden frame */
VP56_MB_INTER_DELTA_GF = 6, /**< Inter MB, above/left vector + delta, from golden frame */
VP56_MB_INTER_4V = 7, /**< Inter MB, 4 vectors, from previous frame */
VP56_MB_INTER_V1_GF = 8, /**< Inter MB, first vector, from golden frame */
VP56_MB_INTER_V2_GF = 9, /**< Inter MB, second vector, from golden frame */
} vp56_mb_t;
typedef struct {
int8_t val;
int8_t prob_idx;
} vp56_tree_t;
extern const uint8_t vp56_b6to3[];
extern const uint8_t vp56_b6to4[];
extern const uint8_t vp56_coeff_parse_table[6][11];
extern const uint8_t vp56_def_mb_types_stats[3][10][2];
extern const vp56_tree_t vp56_pva_tree[];
extern const vp56_tree_t vp56_pc_tree[];
extern const uint8_t vp56_coeff_bias[];
extern const uint8_t vp56_coeff_bit_length[];
static const vp56_frame_t vp56_reference_frame[] = {
VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_NOVEC_PF */
VP56_FRAME_CURRENT, /* VP56_MB_INTRA */
VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_DELTA_PF */
VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V1_PF */
VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V2_PF */
VP56_FRAME_GOLDEN, /* VP56_MB_INTER_NOVEC_GF */
VP56_FRAME_GOLDEN, /* VP56_MB_INTER_DELTA_GF */
VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_4V */
VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V1_GF */
VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V2_GF */
};
static const uint8_t vp56_ac_dequant[64] = {
94, 92, 90, 88, 86, 82, 78, 74,
70, 66, 62, 58, 54, 53, 52, 51,
50, 49, 48, 47, 46, 45, 44, 43,
42, 40, 39, 37, 36, 35, 34, 33,
32, 31, 30, 29, 28, 27, 26, 25,
24, 23, 22, 21, 20, 19, 18, 17,
16, 15, 14, 13, 12, 11, 10, 9,
8, 7, 6, 5, 4, 3, 2, 1,
};
static const uint8_t vp56_dc_dequant[64] = {
47, 47, 47, 47, 45, 43, 43, 43,
43, 43, 42, 41, 41, 40, 40, 40,
40, 35, 35, 35, 35, 33, 33, 33,
33, 32, 32, 32, 27, 27, 26, 26,
25, 25, 24, 24, 23, 23, 19, 19,
19, 19, 18, 18, 17, 16, 16, 16,
16, 16, 15, 11, 11, 11, 10, 10,
9, 8, 7, 5, 3, 3, 2, 2,
};
static const uint8_t vp56_pre_def_mb_type_stats[16][3][10][2] = {
{ { { 9, 15 }, { 32, 25 }, { 7, 19 }, { 9, 21 }, { 1, 12 },
{ 14, 12 }, { 3, 18 }, { 14, 23 }, { 3, 10 }, { 0, 4 }, },
{ { 41, 22 }, { 1, 0 }, { 1, 31 }, { 0, 0 }, { 0, 0 },
{ 0, 1 }, { 1, 7 }, { 0, 1 }, { 98, 25 }, { 4, 10 }, },
{ { 2, 3 }, { 2, 3 }, { 0, 2 }, { 0, 2 }, { 0, 0 },
{ 11, 4 }, { 1, 4 }, { 0, 2 }, { 3, 2 }, { 0, 4 }, }, },
{ { { 48, 39 }, { 1, 2 }, { 11, 27 }, { 29, 44 }, { 7, 27 },
{ 1, 4 }, { 0, 3 }, { 1, 6 }, { 1, 2 }, { 0, 0 }, },
{ { 123, 37 }, { 6, 4 }, { 1, 27 }, { 0, 0 }, { 0, 0 },
{ 5, 8 }, { 1, 7 }, { 0, 1 }, { 12, 10 }, { 0, 2 }, },
{ { 49, 46 }, { 3, 4 }, { 7, 31 }, { 42, 41 }, { 0, 0 },
{ 2, 6 }, { 1, 7 }, { 1, 4 }, { 2, 4 }, { 0, 1 }, }, },
{ { { 21, 32 }, { 1, 2 }, { 4, 10 }, { 32, 43 }, { 6, 23 },
{ 2, 3 }, { 1, 19 }, { 1, 6 }, { 12, 21 }, { 0, 7 }, },
{ { 26, 14 }, { 14, 12 }, { 0, 24 }, { 0, 0 }, { 0, 0 },
{ 55, 17 }, { 1, 9 }, { 0, 36 }, { 5, 7 }, { 1, 3 }, },
{ { 26, 25 }, { 1, 1 }, { 2, 10 }, { 67, 39 }, { 0, 0 },
{ 1, 1 }, { 0, 14 }, { 0, 2 }, { 31, 26 }, { 1, 6 }, }, },
{ { { 69, 83 }, { 0, 0 }, { 0, 2 }, { 10, 29 }, { 3, 12 },
{ 0, 1 }, { 0, 3 }, { 0, 3 }, { 2, 2 }, { 0, 0 }, },
{ { 209, 5 }, { 0, 0 }, { 0, 27 }, { 0, 0 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
{ { 103, 46 }, { 1, 2 }, { 2, 10 }, { 33, 42 }, { 0, 0 },
{ 1, 4 }, { 0, 3 }, { 0, 1 }, { 1, 3 }, { 0, 0 }, }, },
{ { { 11, 20 }, { 1, 4 }, { 18, 36 }, { 43, 48 }, { 13, 35 },
{ 0, 2 }, { 0, 5 }, { 3, 12 }, { 1, 2 }, { 0, 0 }, },
{ { 2, 5 }, { 4, 5 }, { 0, 121 }, { 0, 0 }, { 0, 0 },
{ 0, 3 }, { 2, 4 }, { 1, 4 }, { 2, 2 }, { 0, 1 }, },
{ { 14, 31 }, { 9, 13 }, { 14, 54 }, { 22, 29 }, { 0, 0 },
{ 2, 6 }, { 4, 18 }, { 6, 13 }, { 1, 5 }, { 0, 1 }, }, },
{ { { 70, 44 }, { 0, 1 }, { 2, 10 }, { 37, 46 }, { 8, 26 },
{ 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },
{ { 175, 5 }, { 0, 1 }, { 0, 48 }, { 0, 0 }, { 0, 0 },
{ 0, 2 }, { 0, 1 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },
{ { 85, 39 }, { 0, 0 }, { 1, 9 }, { 69, 40 }, { 0, 0 },
{ 0, 1 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 0 }, }, },
{ { { 8, 15 }, { 0, 1 }, { 8, 21 }, { 74, 53 }, { 22, 42 },
{ 0, 1 }, { 0, 2 }, { 0, 3 }, { 1, 2 }, { 0, 0 }, },
{ { 83, 5 }, { 2, 3 }, { 0, 102 }, { 0, 0 }, { 0, 0 },
{ 1, 3 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
{ { 31, 28 }, { 0, 0 }, { 3, 14 }, { 130, 34 }, { 0, 0 },
{ 0, 1 }, { 0, 3 }, { 0, 1 }, { 3, 3 }, { 0, 1 }, }, },
{ { { 141, 42 }, { 0, 0 }, { 1, 4 }, { 11, 24 }, { 1, 11 },
{ 0, 1 }, { 0, 1 }, { 0, 2 }, { 0, 0 }, { 0, 0 }, },
{ { 233, 6 }, { 0, 0 }, { 0, 8 }, { 0, 0 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },
{ { 171, 25 }, { 0, 0 }, { 1, 5 }, { 25, 21 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, }, },
{ { { 8, 19 }, { 4, 10 }, { 24, 45 }, { 21, 37 }, { 9, 29 },
{ 0, 3 }, { 1, 7 }, { 11, 25 }, { 0, 2 }, { 0, 1 }, },
{ { 34, 16 }, { 112, 21 }, { 1, 28 }, { 0, 0 }, { 0, 0 },
{ 6, 8 }, { 1, 7 }, { 0, 3 }, { 2, 5 }, { 0, 2 }, },
{ { 17, 21 }, { 68, 29 }, { 6, 15 }, { 13, 22 }, { 0, 0 },
{ 6, 12 }, { 3, 14 }, { 4, 10 }, { 1, 7 }, { 0, 3 }, }, },
{ { { 46, 42 }, { 0, 1 }, { 2, 10 }, { 54, 51 }, { 10, 30 },
{ 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, },
{ { 159, 35 }, { 2, 2 }, { 0, 25 }, { 0, 0 }, { 0, 0 },
{ 3, 6 }, { 0, 5 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },
{ { 51, 39 }, { 0, 1 }, { 2, 12 }, { 91, 44 }, { 0, 0 },
{ 0, 2 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 1 }, }, },
{ { { 28, 32 }, { 0, 0 }, { 3, 10 }, { 75, 51 }, { 14, 33 },
{ 0, 1 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, },
{ { 75, 39 }, { 5, 7 }, { 2, 48 }, { 0, 0 }, { 0, 0 },
{ 3, 11 }, { 2, 16 }, { 1, 4 }, { 7, 10 }, { 0, 2 }, },
{ { 81, 25 }, { 0, 0 }, { 2, 9 }, { 106, 26 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },
{ { { 100, 46 }, { 0, 1 }, { 3, 9 }, { 21, 37 }, { 5, 20 },
{ 0, 1 }, { 0, 2 }, { 1, 2 }, { 0, 1 }, { 0, 0 }, },
{ { 212, 21 }, { 0, 1 }, { 0, 9 }, { 0, 0 }, { 0, 0 },
{ 1, 2 }, { 0, 2 }, { 0, 0 }, { 2, 2 }, { 0, 0 }, },
{ { 140, 37 }, { 0, 1 }, { 1, 8 }, { 24, 33 }, { 0, 0 },
{ 1, 2 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, }, },
{ { { 27, 29 }, { 0, 1 }, { 9, 25 }, { 53, 51 }, { 12, 34 },
{ 0, 1 }, { 0, 3 }, { 1, 5 }, { 0, 2 }, { 0, 0 }, },
{ { 4, 2 }, { 0, 0 }, { 0, 172 }, { 0, 0 }, { 0, 0 },
{ 0, 1 }, { 0, 2 }, { 0, 0 }, { 2, 0 }, { 0, 0 }, },
{ { 14, 23 }, { 1, 3 }, { 11, 53 }, { 90, 31 }, { 0, 0 },
{ 0, 3 }, { 1, 5 }, { 2, 6 }, { 1, 2 }, { 0, 0 }, }, },
{ { { 80, 38 }, { 0, 0 }, { 1, 4 }, { 69, 33 }, { 5, 16 },
{ 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },
{ { 187, 22 }, { 1, 1 }, { 0, 17 }, { 0, 0 }, { 0, 0 },
{ 3, 6 }, { 0, 4 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },
{ { 123, 29 }, { 0, 0 }, { 1, 7 }, { 57, 30 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, }, },
{ { { 16, 20 }, { 0, 0 }, { 2, 8 }, { 104, 49 }, { 15, 33 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, },
{ { 133, 6 }, { 1, 2 }, { 1, 70 }, { 0, 0 }, { 0, 0 },
{ 0, 2 }, { 0, 4 }, { 0, 3 }, { 1, 1 }, { 0, 0 }, },
{ { 13, 14 }, { 0, 0 }, { 4, 20 }, { 175, 20 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },
{ { { 194, 16 }, { 0, 0 }, { 1, 1 }, { 1, 9 }, { 1, 3 },
{ 0, 0 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },
{ { 251, 1 }, { 0, 0 }, { 0, 2 }, { 0, 0 }, { 0, 0 },
{ 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, },
{ { 202, 23 }, { 0, 0 }, { 1, 3 }, { 2, 9 }, { 0, 0 },
{ 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, }, },
};
static const uint8_t vp56_filter_threshold[] = {
14, 14, 13, 13, 12, 12, 10, 10,
10, 10, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 8, 8, 8, 8,
8, 8, 8, 8, 7, 7, 7, 7,
7, 7, 6, 6, 6, 6, 6, 6,
5, 5, 5, 5, 4, 4, 4, 4,
4, 4, 4, 3, 3, 3, 3, 2,
};
static const uint8_t vp56_mb_type_model_model[] = {
171, 83, 199, 140, 125, 104,
};
static const vp56_tree_t vp56_pmbtm_tree[] = {
{ 4, 0},
{ 2, 1}, {-8}, {-4},
{ 8, 2},
{ 6, 3},
{ 4, 4},
{ 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},
};
static const vp56_tree_t vp56_pmbt_tree[] = {
{ 8, 1},
{ 4, 2},
{ 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},
{ 2, 5}, {-VP56_MB_INTER_V1_PF}, {-VP56_MB_INTER_V2_PF},
{ 4, 3},
{ 2, 6}, {-VP56_MB_INTRA}, {-VP56_MB_INTER_4V},
{ 4, 7},
{ 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},
{ 2, 9}, {-VP56_MB_INTER_V1_GF}, {-VP56_MB_INTER_V2_GF},
};
/* relative pos of surrounding blocks, from closest to farthest */
static const int8_t vp56_candidate_predictor_pos[12][2] = {
{ 0, -1 },
{ -1, 0 },
{ -1, -1 },
{ 1, -1 },
{ 0, -2 },
{ -2, 0 },
{ -2, -1 },
{ -1, -2 },
{ 1, -2 },
{ 2, -1 },
{ -2, -2 },
{ 2, -2 },
};
#endif /* VP56DATA */
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