2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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.
12 #ifndef __INC_BLOCKD_H
13 #define __INC_BLOCKD_H
15 void vpx_log(const char *format, ...);
17 #include "vpx_config.h"
18 #include "vpx_scale/yv12config.h"
20 #include "treecoder.h"
21 #include "vpx_ports/mem.h"
24 #define DCPREDSIMTHRESH 0
25 #define DCPREDCNTTHRESH 3
27 #define MB_FEATURE_TREE_PROBS 3
28 #define MAX_MB_SEGMENTS 4
30 #define MAX_REF_LF_DELTAS 4
31 #define MAX_MODE_LF_DELTAS 4
33 /* Segment Feature Masks */
34 #define SEGMENT_DELTADATA 0
35 #define SEGMENT_ABSDATA 1
42 #define PLANE_TYPE_Y_NO_DC 0
43 #define PLANE_TYPE_Y2 1
44 #define PLANE_TYPE_UV 2
45 #define PLANE_TYPE_Y_WITH_DC 3
48 typedef char ENTROPY_CONTEXT;
51 ENTROPY_CONTEXT y1[4];
55 } ENTROPY_CONTEXT_PLANES;
57 extern const unsigned char vp8_block2left[25];
58 extern const unsigned char vp8_block2above[25];
60 #define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
72 DC_PRED, /* average of above and left pixels */
73 V_PRED, /* vertical prediction */
74 H_PRED, /* horizontal prediction */
75 TM_PRED, /* Truemotion prediction */
76 B_PRED, /* block based prediction, each block has its own prediction mode */
87 /* Macroblock level features */
90 MB_LVL_ALT_Q = 0, /* Use alternate Quantizer .... */
91 MB_LVL_ALT_LF = 1, /* Use alternate loop filter value... */
92 MB_LVL_MAX = 2 /* Number of MB level features supported */
96 /* Segment Feature Masks */
97 #define SEGMENT_ALTQ 0x01
98 #define SEGMENT_ALT_LF 0x02
100 #define VP8_YMODES (B_PRED + 1)
101 #define VP8_UV_MODES (TM_PRED + 1)
103 #define VP8_MVREFS (1 + SPLITMV - NEARESTMV)
107 B_DC_PRED, /* average of above and left pixels */
110 B_VE_PRED, /* vertical prediction */
111 B_HE_PRED, /* horizontal prediction */
129 #define VP8_BINTRAMODES (B_HU_PRED + 1) /* 10 */
130 #define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
132 /* For keyframes, intra block modes are predicted by the (already decoded)
133 modes for the Y blocks to the left and above us; for interframes, there
134 is a single probability table. */
138 B_PREDICTION_MODE as_mode;
149 } MV_REFERENCE_FRAME;
153 uint8_t mode, uv_mode;
158 uint8_t partitioning;
159 uint8_t mb_skip_coeff; /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */
160 uint8_t need_to_clamp_mvs;
161 uint8_t segment_id; /* Which set of segmentation parameters should be used for this MB */
167 union b_mode_info bmi[16];
170 #if CONFIG_MULTI_RES_ENCODING
171 /* The mb-level information needed to be stored for higher-resolution encoder */
174 MB_PREDICTION_MODE mode;
175 MV_REFERENCE_FRAME ref_frame;
177 //union b_mode_info bmi[16];
178 int dissim; // dissimilarity level of the macroblock
181 /* The frame-level information needed to be stored for higher-resolution
185 FRAME_TYPE frame_type;
186 LOWER_RES_MB_INFO *mb_info;
187 } LOWER_RES_FRAME_INFO;
190 typedef struct blockd
194 unsigned char *predictor;
200 union b_mode_info bmi;
203 typedef void (*vp8_subpix_fn_t)(unsigned char *src, int src_pitch, int xofst, int yofst, unsigned char *dst, int dst_pitch);
205 typedef struct macroblockd
207 DECLARE_ALIGNED(16, unsigned char, predictor[384]);
208 DECLARE_ALIGNED(16, short, qcoeff[400]);
209 DECLARE_ALIGNED(16, short, dqcoeff[400]);
210 DECLARE_ALIGNED(16, char, eobs[25]);
212 DECLARE_ALIGNED(16, short, dequant_y1[16]);
213 DECLARE_ALIGNED(16, short, dequant_y1_dc[16]);
214 DECLARE_ALIGNED(16, short, dequant_y2[16]);
215 DECLARE_ALIGNED(16, short, dequant_uv[16]);
217 /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */
221 YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
222 YV12_BUFFER_CONFIG dst;
224 MODE_INFO *mode_info_context;
225 int mode_info_stride;
227 FRAME_TYPE frame_type;
232 unsigned char *recon_above[3];
233 unsigned char *recon_left[3];
234 int recon_left_stride[2];
237 ENTROPY_CONTEXT_PLANES *above_context;
238 ENTROPY_CONTEXT_PLANES *left_context;
240 /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */
241 unsigned char segmentation_enabled;
243 /* 0 (do not update) 1 (update) the macroblock segmentation map. */
244 unsigned char update_mb_segmentation_map;
246 /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
247 unsigned char update_mb_segmentation_data;
249 /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
250 unsigned char mb_segement_abs_delta;
252 /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */
253 /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */
254 vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS]; /* Probability Tree used to code Segment number */
256 signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; /* Segment parameters */
258 /* mode_based Loop filter adjustment */
259 unsigned char mode_ref_lf_delta_enabled;
260 unsigned char mode_ref_lf_delta_update;
262 /* Delta values have the range +/- MAX_LOOP_FILTER */
263 signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */
264 signed char ref_lf_deltas[MAX_REF_LF_DELTAS]; /* 0 = Intra, Last, GF, ARF */
265 signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */
266 signed char mode_lf_deltas[MAX_MODE_LF_DELTAS]; /* 0 = BPRED, ZERO_MV, MV, SPLIT */
268 /* Distance of MB away from frame edges */
270 int mb_to_right_edge;
272 int mb_to_bottom_edge;
276 vp8_subpix_fn_t subpixel_predict;
277 vp8_subpix_fn_t subpixel_predict8x4;
278 vp8_subpix_fn_t subpixel_predict8x8;
279 vp8_subpix_fn_t subpixel_predict16x16;
285 #if ARCH_X86 || ARCH_X86_64
286 /* This is an intermediate buffer currently used in sub-pixel motion search
287 * to keep a copy of the reference area. This buffer can be used for other
290 DECLARE_ALIGNED(32, unsigned char, y_buf[22*32]);
295 extern void vp8_build_block_doffsets(MACROBLOCKD *x);
296 extern void vp8_setup_block_dptrs(MACROBLOCKD *x);
298 #endif /* __INC_BLOCKD_H */