FFmpeg: libavcodec/vp56data.c Source File

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libavcodec

vp56data.c

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1 /*

3 *

4 * This file is part of FFmpeg.

5 *

6 * FFmpeg is free software; you can redistribute it and/or

7 * modify it under the terms of the GNU Lesser General Public

8 * License as published by the Free Software Foundation; either

9 * version 2.1 of the License, or (at your option) any later version.

10 *

11 * FFmpeg is distributed in the hope that it will be useful,

12 * but WITHOUT ANY WARRANTY; without even the implied warranty of

13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

14 * Lesser General Public License for more details.

15 *

16 * You should have received a copy of the GNU Lesser General Public

17 * License along with FFmpeg; if not, write to the Free Software

18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

19 */

21 /**

22 * @file

23 * VP5 and VP6 compatible video decoder (common data)

24 */

26 #include "vp56data.h"

28 const uint8_t ff_vp56_b2p[] = { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3 };

29 const uint8_t ff_vp56_b6to4[] = { 0, 0, 1, 1, 2, 3 };

31 const uint8_t ff_vp56_coeff_parse_table[6][11] = {

32 { 159, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

33 { 145, 165, 0, 0, 0, 0, 0, 0, 0, 0, 0 },

34 { 140, 148, 173, 0, 0, 0, 0, 0, 0, 0, 0 },

35 { 135, 140, 155, 176, 0, 0, 0, 0, 0, 0, 0 },

36 { 130, 134, 141, 157, 180, 0, 0, 0, 0, 0, 0 },

37 { 129, 130, 133, 140, 153, 177, 196, 230, 243, 254, 254 },

38 };

40 const uint8_t ff_vp56_def_mb_types_stats[3][10][2] = {

41 { { 69, 42 }, { 1, 2 }, { 1, 7 }, { 44, 42 }, { 6, 22 },

42 { 1, 3 }, { 0, 2 }, { 1, 5 }, { 0, 1 }, { 0, 0 }, },

43 { { 229, 8 }, { 1, 1 }, { 0, 8 }, { 0, 0 }, { 0, 0 },

44 { 1, 2 }, { 0, 1 }, { 0, 0 }, { 1, 1 }, { 0, 0 }, },

45 { { 122, 35 }, { 1, 1 }, { 1, 6 }, { 46, 34 }, { 0, 0 },

46 { 1, 2 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, },

47 };

49 const VP56Tree ff_vp56_pva_tree[] = {

50 { 8, 0},

51 { 4, 1},

52 { 2, 2}, {-0}, {-1},

53 { 2, 3}, {-2}, {-3},

54 { 4, 4},

55 { 2, 5}, {-4}, {-5},

56 { 2, 6}, {-6}, {-7},

57 };

59 const VP56Tree ff_vp56_pc_tree[] = {

60 { 4, 6},

61 { 2, 7}, {-0}, {-1},

62 { 4, 8},

63 { 2, 9}, {-2}, {-3},

64 { 2,10}, {-4}, {-5},

65 };

67 const uint8_t ff_vp56_coeff_bias[] = { 0, 1, 2, 3, 4, 5, 7, 11, 19, 35, 67 };

68 const uint8_t ff_vp56_coeff_bit_length[] = { 0, 1, 2, 3, 4, 10 };

70 const VP56Frame ff_vp56_reference_frame[] = {

71 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_NOVEC_PF */

72 VP56_FRAME_CURRENT, /* VP56_MB_INTRA */

73 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_DELTA_PF */

74 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V1_PF */

75 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_V2_PF */

76 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_NOVEC_GF */

77 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_DELTA_GF */

78 VP56_FRAME_PREVIOUS, /* VP56_MB_INTER_4V */

79 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V1_GF */

80 VP56_FRAME_GOLDEN, /* VP56_MB_INTER_V2_GF */

81 };

83 const uint8_t ff_vp56_ac_dequant[64] = {

84 94, 92, 90, 88, 86, 82, 78, 74,

85 70, 66, 62, 58, 54, 53, 52, 51,

86 50, 49, 48, 47, 46, 45, 44, 43,

87 42, 40, 39, 37, 36, 35, 34, 33,

88 32, 31, 30, 29, 28, 27, 26, 25,

89 24, 23, 22, 21, 20, 19, 18, 17,

90 16, 15, 14, 13, 12, 11, 10, 9,

91 8, 7, 6, 5, 4, 3, 2, 1,

92 };

94 const uint8_t ff_vp56_dc_dequant[64] = {

95 47, 47, 47, 47, 45, 43, 43, 43,

96 43, 43, 42, 41, 41, 40, 40, 40,

97 40, 35, 35, 35, 35, 33, 33, 33,

98 33, 32, 32, 32, 27, 27, 26, 26,

99 25, 25, 24, 24, 23, 23, 19, 19,

100 19, 19, 18, 18, 17, 16, 16, 16,

101 16, 16, 15, 11, 11, 11, 10, 10,

102 9, 8, 7, 5, 3, 3, 2, 2,

103 };

104

105 const uint8_t ff_vp56_pre_def_mb_type_stats[16][3][10][2] = {

106 { { { 9, 15 }, { 32, 25 }, { 7, 19 }, { 9, 21 }, { 1, 12 },

107 { 14, 12 }, { 3, 18 }, { 14, 23 }, { 3, 10 }, { 0, 4 }, },

108 { { 41, 22 }, { 1, 0 }, { 1, 31 }, { 0, 0 }, { 0, 0 },

109 { 0, 1 }, { 1, 7 }, { 0, 1 }, { 98, 25 }, { 4, 10 }, },

110 { { 2, 3 }, { 2, 3 }, { 0, 2 }, { 0, 2 }, { 0, 0 },

111 { 11, 4 }, { 1, 4 }, { 0, 2 }, { 3, 2 }, { 0, 4 }, }, },

112 { { { 48, 39 }, { 1, 2 }, { 11, 27 }, { 29, 44 }, { 7, 27 },

113 { 1, 4 }, { 0, 3 }, { 1, 6 }, { 1, 2 }, { 0, 0 }, },

114 { { 123, 37 }, { 6, 4 }, { 1, 27 }, { 0, 0 }, { 0, 0 },

115 { 5, 8 }, { 1, 7 }, { 0, 1 }, { 12, 10 }, { 0, 2 }, },

116 { { 49, 46 }, { 3, 4 }, { 7, 31 }, { 42, 41 }, { 0, 0 },

117 { 2, 6 }, { 1, 7 }, { 1, 4 }, { 2, 4 }, { 0, 1 }, }, },

118 { { { 21, 32 }, { 1, 2 }, { 4, 10 }, { 32, 43 }, { 6, 23 },

119 { 2, 3 }, { 1, 19 }, { 1, 6 }, { 12, 21 }, { 0, 7 }, },

120 { { 26, 14 }, { 14, 12 }, { 0, 24 }, { 0, 0 }, { 0, 0 },

121 { 55, 17 }, { 1, 9 }, { 0, 36 }, { 5, 7 }, { 1, 3 }, },

122 { { 26, 25 }, { 1, 1 }, { 2, 10 }, { 67, 39 }, { 0, 0 },

123 { 1, 1 }, { 0, 14 }, { 0, 2 }, { 31, 26 }, { 1, 6 }, }, },

124 { { { 69, 83 }, { 0, 0 }, { 0, 2 }, { 10, 29 }, { 3, 12 },

125 { 0, 1 }, { 0, 3 }, { 0, 3 }, { 2, 2 }, { 0, 0 }, },

126 { { 209, 5 }, { 0, 0 }, { 0, 27 }, { 0, 0 }, { 0, 0 },

127 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },

128 { { 103, 46 }, { 1, 2 }, { 2, 10 }, { 33, 42 }, { 0, 0 },

129 { 1, 4 }, { 0, 3 }, { 0, 1 }, { 1, 3 }, { 0, 0 }, }, },

130 { { { 11, 20 }, { 1, 4 }, { 18, 36 }, { 43, 48 }, { 13, 35 },

131 { 0, 2 }, { 0, 5 }, { 3, 12 }, { 1, 2 }, { 0, 0 }, },

132 { { 2, 5 }, { 4, 5 }, { 0, 121 }, { 0, 0 }, { 0, 0 },

133 { 0, 3 }, { 2, 4 }, { 1, 4 }, { 2, 2 }, { 0, 1 }, },

134 { { 14, 31 }, { 9, 13 }, { 14, 54 }, { 22, 29 }, { 0, 0 },

135 { 2, 6 }, { 4, 18 }, { 6, 13 }, { 1, 5 }, { 0, 1 }, }, },

136 { { { 70, 44 }, { 0, 1 }, { 2, 10 }, { 37, 46 }, { 8, 26 },

137 { 0, 2 }, { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },

138 { { 175, 5 }, { 0, 1 }, { 0, 48 }, { 0, 0 }, { 0, 0 },

139 { 0, 2 }, { 0, 1 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, },

140 { { 85, 39 }, { 0, 0 }, { 1, 9 }, { 69, 40 }, { 0, 0 },

141 { 0, 1 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 0 }, }, },

142 { { { 8, 15 }, { 0, 1 }, { 8, 21 }, { 74, 53 }, { 22, 42 },

143 { 0, 1 }, { 0, 2 }, { 0, 3 }, { 1, 2 }, { 0, 0 }, },

144 { { 83, 5 }, { 2, 3 }, { 0, 102 }, { 0, 0 }, { 0, 0 },

145 { 1, 3 }, { 0, 2 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },

146 { { 31, 28 }, { 0, 0 }, { 3, 14 }, { 130, 34 }, { 0, 0 },

147 { 0, 1 }, { 0, 3 }, { 0, 1 }, { 3, 3 }, { 0, 1 }, }, },

148 { { { 141, 42 }, { 0, 0 }, { 1, 4 }, { 11, 24 }, { 1, 11 },

149 { 0, 1 }, { 0, 1 }, { 0, 2 }, { 0, 0 }, { 0, 0 }, },

150 { { 233, 6 }, { 0, 0 }, { 0, 8 }, { 0, 0 }, { 0, 0 },

151 { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },

152 { { 171, 25 }, { 0, 0 }, { 1, 5 }, { 25, 21 }, { 0, 0 },

153 { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, }, },

154 { { { 8, 19 }, { 4, 10 }, { 24, 45 }, { 21, 37 }, { 9, 29 },

155 { 0, 3 }, { 1, 7 }, { 11, 25 }, { 0, 2 }, { 0, 1 }, },

156 { { 34, 16 }, { 112, 21 }, { 1, 28 }, { 0, 0 }, { 0, 0 },

157 { 6, 8 }, { 1, 7 }, { 0, 3 }, { 2, 5 }, { 0, 2 }, },

158 { { 17, 21 }, { 68, 29 }, { 6, 15 }, { 13, 22 }, { 0, 0 },

159 { 6, 12 }, { 3, 14 }, { 4, 10 }, { 1, 7 }, { 0, 3 }, }, },

160 { { { 46, 42 }, { 0, 1 }, { 2, 10 }, { 54, 51 }, { 10, 30 },

161 { 0, 2 }, { 0, 2 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, },

162 { { 159, 35 }, { 2, 2 }, { 0, 25 }, { 0, 0 }, { 0, 0 },

163 { 3, 6 }, { 0, 5 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },

164 { { 51, 39 }, { 0, 1 }, { 2, 12 }, { 91, 44 }, { 0, 0 },

165 { 0, 2 }, { 0, 3 }, { 0, 1 }, { 2, 3 }, { 0, 1 }, }, },

166 { { { 28, 32 }, { 0, 0 }, { 3, 10 }, { 75, 51 }, { 14, 33 },

167 { 0, 1 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, },

168 { { 75, 39 }, { 5, 7 }, { 2, 48 }, { 0, 0 }, { 0, 0 },

169 { 3, 11 }, { 2, 16 }, { 1, 4 }, { 7, 10 }, { 0, 2 }, },

170 { { 81, 25 }, { 0, 0 }, { 2, 9 }, { 106, 26 }, { 0, 0 },

171 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },

172 { { { 100, 46 }, { 0, 1 }, { 3, 9 }, { 21, 37 }, { 5, 20 },

173 { 0, 1 }, { 0, 2 }, { 1, 2 }, { 0, 1 }, { 0, 0 }, },

174 { { 212, 21 }, { 0, 1 }, { 0, 9 }, { 0, 0 }, { 0, 0 },

175 { 1, 2 }, { 0, 2 }, { 0, 0 }, { 2, 2 }, { 0, 0 }, },

176 { { 140, 37 }, { 0, 1 }, { 1, 8 }, { 24, 33 }, { 0, 0 },

177 { 1, 2 }, { 0, 2 }, { 0, 1 }, { 1, 2 }, { 0, 0 }, }, },

178 { { { 27, 29 }, { 0, 1 }, { 9, 25 }, { 53, 51 }, { 12, 34 },

179 { 0, 1 }, { 0, 3 }, { 1, 5 }, { 0, 2 }, { 0, 0 }, },

180 { { 4, 2 }, { 0, 0 }, { 0, 172 }, { 0, 0 }, { 0, 0 },

181 { 0, 1 }, { 0, 2 }, { 0, 0 }, { 2, 0 }, { 0, 0 }, },

182 { { 14, 23 }, { 1, 3 }, { 11, 53 }, { 90, 31 }, { 0, 0 },

183 { 0, 3 }, { 1, 5 }, { 2, 6 }, { 1, 2 }, { 0, 0 }, }, },

184 { { { 80, 38 }, { 0, 0 }, { 1, 4 }, { 69, 33 }, { 5, 16 },

185 { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 1 }, { 0, 0 }, },

186 { { 187, 22 }, { 1, 1 }, { 0, 17 }, { 0, 0 }, { 0, 0 },

187 { 3, 6 }, { 0, 4 }, { 0, 1 }, { 4, 4 }, { 0, 1 }, },

188 { { 123, 29 }, { 0, 0 }, { 1, 7 }, { 57, 30 }, { 0, 0 },

189 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, }, },

190 { { { 16, 20 }, { 0, 0 }, { 2, 8 }, { 104, 49 }, { 15, 33 },

191 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, },

192 { { 133, 6 }, { 1, 2 }, { 1, 70 }, { 0, 0 }, { 0, 0 },

193 { 0, 2 }, { 0, 4 }, { 0, 3 }, { 1, 1 }, { 0, 0 }, },

194 { { 13, 14 }, { 0, 0 }, { 4, 20 }, { 175, 20 }, { 0, 0 },

195 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 1, 1 }, { 0, 0 }, }, },

196 { { { 194, 16 }, { 0, 0 }, { 1, 1 }, { 1, 9 }, { 1, 3 },

197 { 0, 0 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, },

198 { { 251, 1 }, { 0, 0 }, { 0, 2 }, { 0, 0 }, { 0, 0 },

199 { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, { 0, 0 }, },

200 { { 202, 23 }, { 0, 0 }, { 1, 3 }, { 2, 9 }, { 0, 0 },

201 { 0, 1 }, { 0, 1 }, { 0, 1 }, { 0, 0 }, { 0, 0 }, }, },

202 };

203

204 const uint8_t ff_vp56_filter_threshold[] = {

205 14, 14, 13, 13, 12, 12, 10, 10,

206 10, 10, 8, 8, 8, 8, 8, 8,

207 8, 8, 8, 8, 8, 8, 8, 8,

208 8, 8, 8, 8, 8, 8, 8, 8,

209 8, 8, 8, 8, 7, 7, 7, 7,

210 7, 7, 6, 6, 6, 6, 6, 6,

211 5, 5, 5, 5, 4, 4, 4, 4,

212 4, 4, 4, 3, 3, 3, 3, 2,

213 };

214

215 const uint8_t ff_vp56_mb_type_model_model[] = {

216 171, 83, 199, 140, 125, 104,

217 };

218

219 const VP56Tree ff_vp56_pmbtm_tree[] = {

220 { 4, 0},

221 { 2, 1}, {-8}, {-4},

222 { 8, 2},

223 { 6, 3},

224 { 4, 4},

225 { 2, 5}, {-24}, {-20}, {-16}, {-12}, {-0},

226 };

227

228 const VP56Tree ff_vp56_pmbt_tree[] = {

229 { 8, 1},

230 { 4, 2},

231 { 2, 4}, {-VP56_MB_INTER_NOVEC_PF}, {-VP56_MB_INTER_DELTA_PF},

232 { 2, 5}, {-VP56_MB_INTER_V1_PF}, {-VP56_MB_INTER_V2_PF},

233 { 4, 3},

234 { 2, 6}, {-VP56_MB_INTRA}, {-VP56_MB_INTER_4V},

235 { 4, 7},

236 { 2, 8}, {-VP56_MB_INTER_NOVEC_GF}, {-VP56_MB_INTER_DELTA_GF},

237 { 2, 9}, {-VP56_MB_INTER_V1_GF}, {-VP56_MB_INTER_V2_GF},

238 };

239

240 /* relative pos of surrounding blocks, from closest to farthest */

241 const int8_t ff_vp56_candidate_predictor_pos[12][2] = {

242 { 0, -1 },

243 { -1, 0 },

244 { -1, -1 },

245 { 1, -1 },

246 { 0, -2 },

247 { -2, 0 },

248 { -2, -1 },

249 { -1, -2 },

250 { 1, -2 },

251 { 2, -1 },

252 { -2, -2 },

253 { 2, -2 },

254 };

ff_vp56_ac_dequant

const uint8_t ff_vp56_ac_dequant[64]

Definition: vp56data.c:83

VP56_FRAME_CURRENT

Definition: vp56.h:42

ff_vp56_coeff_bias

const uint8_t ff_vp56_coeff_bias[]

Definition: vp56data.c:67

ff_vp56_pmbtm_tree

const VP56Tree ff_vp56_pmbtm_tree[]

Definition: vp56data.c:219

VP56_MB_INTER_NOVEC_PF

Inter MB, no vector, from previous frame.

Definition: vp56.h:49

uint8_t

Definition: audio_convert.c:194

ff_vp56_dc_dequant

const uint8_t ff_vp56_dc_dequant[64]

Definition: vp56data.c:94

ff_vp56_filter_threshold

const uint8_t ff_vp56_filter_threshold[]

Definition: vp56data.c:204

ff_vp56_candidate_predictor_pos

const int8_t ff_vp56_candidate_predictor_pos[12][2]

Definition: vp56data.c:241

VP56_MB_INTER_V2_GF

Inter MB, second vector, from golden frame.

Definition: vp56.h:58

ff_vp56_b6to4

const uint8_t ff_vp56_b6to4[]

Definition: vp56data.c:29

VP56_MB_INTER_V1_PF

Inter MB, first vector, from previous frame.

Definition: vp56.h:52

VP56_MB_INTRA

Intra MB.

Definition: vp56.h:50

VP56Frame

Definition: vp56.h:40

vp56data.h

VP5 and VP6 compatible video decoder (common data)

ff_vp56_pre_def_mb_type_stats

const uint8_t ff_vp56_pre_def_mb_type_stats[16][3][10][2]

Definition: vp56data.c:105

VP56Tree

Definition: vp56.h:61

VP56_MB_INTER_V1_GF

Inter MB, first vector, from golden frame.

Definition: vp56.h:57

ff_vp56_coeff_bit_length

const uint8_t ff_vp56_coeff_bit_length[]

Definition: vp56data.c:68

ff_vp56_b2p

const uint8_t ff_vp56_b2p[]

Definition: vp56data.c:28

ff_vp56_pmbt_tree

const VP56Tree ff_vp56_pmbt_tree[]

Definition: vp56data.c:228

VP56_MB_INTER_4V

Inter MB, 4 vectors, from previous frame.

Definition: vp56.h:56

VP56_MB_INTER_NOVEC_GF

Inter MB, no vector, from golden frame.

Definition: vp56.h:54

VP56_MB_INTER_V2_PF

Inter MB, second vector, from previous frame.

Definition: vp56.h:53

ff_vp56_pc_tree

const VP56Tree ff_vp56_pc_tree[]

Definition: vp56data.c:59

VP56_FRAME_PREVIOUS

Definition: vp56.h:43

ff_vp56_coeff_parse_table

const uint8_t ff_vp56_coeff_parse_table[6][11]

Definition: vp56data.c:31

VP56_MB_INTER_DELTA_PF

Inter MB, above/left vector + delta, from previous frame.

Definition: vp56.h:51

ff_vp56_mb_type_model_model

const uint8_t ff_vp56_mb_type_model_model[]

Definition: vp56data.c:215

ff_vp56_pva_tree

const VP56Tree ff_vp56_pva_tree[]

Definition: vp56data.c:49

ff_vp56_reference_frame

const VP56Frame ff_vp56_reference_frame[]

Definition: vp56data.c:70

VP56_MB_INTER_DELTA_GF

Inter MB, above/left vector + delta, from golden frame.

Definition: vp56.h:55

ff_vp56_def_mb_types_stats

const uint8_t ff_vp56_def_mb_types_stats[3][10][2]

Definition: vp56data.c:40

VP56_FRAME_GOLDEN

Definition: vp56.h:44

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