1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #ifndef VP8_COMMON_BLOCKD_H_ 13 #define VP8_COMMON_BLOCKD_H_ 14 15 void vpx_log(const char *format, ...); 16 17 #include "vpx_config.h" 18 #include "vpx_scale/yv12config.h" 19 #include "mv.h" 20 #include "treecoder.h" 21 #include "vpx_ports/mem.h" 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /*#define DCPRED 1*/ 28 #define DCPREDSIMTHRESH 0 29 #define DCPREDCNTTHRESH 3 30 31 #define MB_FEATURE_TREE_PROBS 3 32 #define MAX_MB_SEGMENTS 4 33 34 #define MAX_REF_LF_DELTAS 4 35 #define MAX_MODE_LF_DELTAS 4 36 37 /* Segment Feature Masks */ 38 #define SEGMENT_DELTADATA 0 39 #define SEGMENT_ABSDATA 1 40 41 typedef struct 42 { 43 int r, c; 44 } POS; 45 46 #define PLANE_TYPE_Y_NO_DC 0 47 #define PLANE_TYPE_Y2 1 48 #define PLANE_TYPE_UV 2 49 #define PLANE_TYPE_Y_WITH_DC 3 50 51 52 typedef char ENTROPY_CONTEXT; 53 typedef struct 54 { 55 ENTROPY_CONTEXT y1[4]; 56 ENTROPY_CONTEXT u[2]; 57 ENTROPY_CONTEXT v[2]; 58 ENTROPY_CONTEXT y2; 59 } ENTROPY_CONTEXT_PLANES; 60 61 extern const unsigned char vp8_block2left[25]; 62 extern const unsigned char vp8_block2above[25]; 63 64 #define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \ 65 Dest = (A)+(B); 66 67 68 typedef enum 69 { 70 KEY_FRAME = 0, 71 INTER_FRAME = 1 72 } FRAME_TYPE; 73 74 typedef enum 75 { 76 DC_PRED, /* average of above and left pixels */ 77 V_PRED, /* vertical prediction */ 78 H_PRED, /* horizontal prediction */ 79 TM_PRED, /* Truemotion prediction */ 80 B_PRED, /* block based prediction, each block has its own prediction mode */ 81 82 NEARESTMV, 83 NEARMV, 84 ZEROMV, 85 NEWMV, 86 SPLITMV, 87 88 MB_MODE_COUNT 89 } MB_PREDICTION_MODE; 90 91 /* Macroblock level features */ 92 typedef enum 93 { 94 MB_LVL_ALT_Q = 0, /* Use alternate Quantizer .... */ 95 MB_LVL_ALT_LF = 1, /* Use alternate loop filter value... */ 96 MB_LVL_MAX = 2 /* Number of MB level features supported */ 97 98 } MB_LVL_FEATURES; 99 100 /* Segment Feature Masks */ 101 #define SEGMENT_ALTQ 0x01 102 #define SEGMENT_ALT_LF 0x02 103 104 #define VP8_YMODES (B_PRED + 1) 105 #define VP8_UV_MODES (TM_PRED + 1) 106 107 #define VP8_MVREFS (1 + SPLITMV - NEARESTMV) 108 109 typedef enum 110 { 111 B_DC_PRED, /* average of above and left pixels */ 112 B_TM_PRED, 113 114 B_VE_PRED, /* vertical prediction */ 115 B_HE_PRED, /* horizontal prediction */ 116 117 B_LD_PRED, 118 B_RD_PRED, 119 120 B_VR_PRED, 121 B_VL_PRED, 122 B_HD_PRED, 123 B_HU_PRED, 124 125 LEFT4X4, 126 ABOVE4X4, 127 ZERO4X4, 128 NEW4X4, 129 130 B_MODE_COUNT 131 } B_PREDICTION_MODE; 132 133 #define VP8_BINTRAMODES (B_HU_PRED + 1) /* 10 */ 134 #define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4) 135 136 /* For keyframes, intra block modes are predicted by the (already decoded) 137 modes for the Y blocks to the left and above us; for interframes, there 138 is a single probability table. */ 139 140 union b_mode_info 141 { 142 B_PREDICTION_MODE as_mode; 143 int_mv mv; 144 }; 145 146 typedef enum 147 { 148 INTRA_FRAME = 0, 149 LAST_FRAME = 1, 150 GOLDEN_FRAME = 2, 151 ALTREF_FRAME = 3, 152 MAX_REF_FRAMES = 4 153 } MV_REFERENCE_FRAME; 154 155 typedef struct 156 { 157 uint8_t mode, uv_mode; 158 uint8_t ref_frame; 159 uint8_t is_4x4; 160 int_mv mv; 161 162 uint8_t partitioning; 163 uint8_t mb_skip_coeff; /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */ 164 uint8_t need_to_clamp_mvs; 165 uint8_t segment_id; /* Which set of segmentation parameters should be used for this MB */ 166 } MB_MODE_INFO; 167 168 typedef struct modeinfo 169 { 170 MB_MODE_INFO mbmi; 171 union b_mode_info bmi[16]; 172 } MODE_INFO; 173 174 #if CONFIG_MULTI_RES_ENCODING 175 /* The mb-level information needed to be stored for higher-resolution encoder */ 176 typedef struct 177 { 178 MB_PREDICTION_MODE mode; 179 MV_REFERENCE_FRAME ref_frame; 180 int_mv mv; 181 int dissim; /* dissimilarity level of the macroblock */ 182 } LOWER_RES_MB_INFO; 183 184 /* The frame-level information needed to be stored for higher-resolution 185 * encoder */ 186 typedef struct 187 { 188 FRAME_TYPE frame_type; 189 int is_frame_dropped; 190 /* The frame number of each reference frames */ 191 unsigned int low_res_ref_frames[MAX_REF_FRAMES]; 192 LOWER_RES_MB_INFO *mb_info; 193 } LOWER_RES_FRAME_INFO; 194 #endif 195 196 typedef struct blockd 197 { 198 short *qcoeff; 199 short *dqcoeff; 200 unsigned char *predictor; 201 short *dequant; 202 203 int offset; 204 char *eob; 205 206 union b_mode_info bmi; 207 } BLOCKD; 208 209 typedef void (*vp8_subpix_fn_t)(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch); 210 211 typedef struct macroblockd 212 { 213 DECLARE_ALIGNED(16, unsigned char, predictor[384]); 214 DECLARE_ALIGNED(16, short, qcoeff[400]); 215 DECLARE_ALIGNED(16, short, dqcoeff[400]); 216 DECLARE_ALIGNED(16, char, eobs[25]); 217 218 DECLARE_ALIGNED(16, short, dequant_y1[16]); 219 DECLARE_ALIGNED(16, short, dequant_y1_dc[16]); 220 DECLARE_ALIGNED(16, short, dequant_y2[16]); 221 DECLARE_ALIGNED(16, short, dequant_uv[16]); 222 223 /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */ 224 BLOCKD block[25]; 225 int fullpixel_mask; 226 227 YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */ 228 YV12_BUFFER_CONFIG dst; 229 230 MODE_INFO *mode_info_context; 231 int mode_info_stride; 232 233 FRAME_TYPE frame_type; 234 235 int up_available; 236 int left_available; 237 238 unsigned char *recon_above[3]; 239 unsigned char *recon_left[3]; 240 int recon_left_stride[2]; 241 242 /* Y,U,V,Y2 */ 243 ENTROPY_CONTEXT_PLANES *above_context; 244 ENTROPY_CONTEXT_PLANES *left_context; 245 246 /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */ 247 unsigned char segmentation_enabled; 248 249 /* 0 (do not update) 1 (update) the macroblock segmentation map. */ 250 unsigned char update_mb_segmentation_map; 251 252 /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */ 253 unsigned char update_mb_segmentation_data; 254 255 /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */ 256 unsigned char mb_segement_abs_delta; 257 258 /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */ 259 /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */ 260 vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS]; /* Probability Tree used to code Segment number */ 261 262 signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; /* Segment parameters */ 263 264 /* mode_based Loop filter adjustment */ 265 unsigned char mode_ref_lf_delta_enabled; 266 unsigned char mode_ref_lf_delta_update; 267 268 /* Delta values have the range +/- MAX_LOOP_FILTER */ 269 signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */ 270 signed char ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */ 271 signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */ 272 signed char mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */ 273 274 /* Distance of MB away from frame edges */ 275 int mb_to_left_edge; 276 int mb_to_right_edge; 277 int mb_to_top_edge; 278 int mb_to_bottom_edge; 279 280 281 282 vp8_subpix_fn_t subpixel_predict; 283 vp8_subpix_fn_t subpixel_predict8x4; 284 vp8_subpix_fn_t subpixel_predict8x8; 285 vp8_subpix_fn_t subpixel_predict16x16; 286 287 void *current_bc; 288 289 int corrupted; 290 291 #if ARCH_X86_32 || ARCH_X86_64 292 /* This is an intermediate buffer currently used in sub-pixel motion search 293 * to keep a copy of the reference area. This buffer can be used for other 294 * purpose. 295 */ 296 DECLARE_ALIGNED(32, unsigned char, y_buf[22*32]); 297 #endif 298 } MACROBLOCKD; 299 300 301 extern void vp8_build_block_doffsets(MACROBLOCKD *x); 302 extern void vp8_setup_block_dptrs(MACROBLOCKD *x); 303 304 #ifdef __cplusplus 305 } // extern "C" 306 #endif 307 308 #endif // VP8_COMMON_BLOCKD_H_ 309