2 * Copyright (c) 2010 The VP8 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_ports/config.h"
18 #include "vpx_scale/yv12config.h"
20 #include "treecoder.h"
22 #include "vpx_ports/mem.h"
28 #define DCPREDSIMTHRESH 0
29 #define DCPREDCNTTHRESH 3
36 #define MB_FEATURE_TREE_PROBS 3
37 #define MAX_MB_SEGMENTS 4
39 #define MAX_REF_LF_DELTAS 4
40 #define MAX_MODE_LF_DELTAS 4
42 // Segment Feature Masks
43 #define SEGMENT_DELTADATA 0
44 #define SEGMENT_ABSDATA 1
52 typedef int ENTROPY_CONTEXT;
60 extern void vp8_setup_temp_context(TEMP_CONTEXT *t, ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l, int count);
61 extern const int vp8_block2left[25];
62 extern const int vp8_block2above[25];
63 extern const int vp8_block2type[25];
64 extern const int vp8_block2context[25];
66 #define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
67 Dest = ((A)!=0) + ((B)!=0);
78 DC_PRED, // average of above and left pixels
79 V_PRED, // vertical prediction
80 H_PRED, // horizontal prediction
81 TM_PRED, // Truemotion prediction
82 B_PRED, // block based prediction, each block has its own prediction mode
93 // Macroblock level features
96 MB_LVL_ALT_Q = 0, // Use alternate Quantizer ....
97 MB_LVL_ALT_LF = 1, // Use alternate loop filter value...
98 MB_LVL_MAX = 2, // Number of MB level features supported
102 // Segment Feature Masks
103 #define SEGMENT_ALTQ 0x01
104 #define SEGMENT_ALT_LF 0x02
106 #define VP8_YMODES (B_PRED + 1)
107 #define VP8_UV_MODES (TM_PRED + 1)
109 #define VP8_MVREFS (1 + SPLITMV - NEARESTMV)
113 B_DC_PRED, // average of above and left pixels
116 B_VE_PRED, // vertical prediction
117 B_HE_PRED, // horizontal prediction
135 #define VP8_BINTRAMODES (B_HU_PRED + 1) /* 10 */
136 #define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)
138 /* For keyframes, intra block modes are predicted by the (already decoded)
139 modes for the Y blocks to the left and above us; for interframes, there
140 is a single probability table. */
144 B_PREDICTION_MODE mode;
160 } MV_REFERENCE_FRAME;
164 MB_PREDICTION_MODE mode, uv_mode;
165 MV_REFERENCE_FRAME ref_frame;
173 int mb_skip_coeff; //does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens
175 unsigned char segment_id; // Which set of segmentation parameters should be used for this MB
177 int need_to_clamp_mvs;
178 B_MODE_INFO partition_bmi[16];
193 unsigned char *predictor;
199 // 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries
200 unsigned char **base_pre;
204 unsigned char **base_dst;
216 DECLARE_ALIGNED(16, short, diff[400]); // from idct diff
217 DECLARE_ALIGNED(16, unsigned char, predictor[384]);
218 DECLARE_ALIGNED(16, short, reference[384]);
219 DECLARE_ALIGNED(16, short, qcoeff[400]);
220 DECLARE_ALIGNED(16, short, dqcoeff[400]);
222 // 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries.
225 YV12_BUFFER_CONFIG pre; // Filtered copy of previous frame reconstruction
226 YV12_BUFFER_CONFIG dst;
228 MODE_INFO *mode_info_context;
229 MODE_INFO *mode_info;
231 int mode_info_stride;
233 FRAME_TYPE frame_type;
241 ENTROPY_CONTEXT *above_context[4]; // row of context for each plane
242 ENTROPY_CONTEXT(*left_context)[4]; // (up to) 4 contexts ""
244 // 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active.
245 unsigned char segmentation_enabled;
247 // 0 (do not update) 1 (update) the macroblock segmentation map.
248 unsigned char update_mb_segmentation_map;
250 // 0 (do not update) 1 (update) the macroblock segmentation feature data.
251 unsigned char update_mb_segmentation_data;
253 // 0 (do not update) 1 (update) the macroblock segmentation feature data.
254 unsigned char mb_segement_abs_delta;
256 // Per frame flags that define which MB level features (such as quantizer or loop filter level)
257 // are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO
258 vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS]; // Probability Tree used to code Segment number
260 signed char segment_feature_data[MB_LVL_MAX][MAX_MB_SEGMENTS]; // Segment parameters
262 // mode_based Loop filter adjustment
263 unsigned char mode_ref_lf_delta_enabled;
264 unsigned char mode_ref_lf_delta_update;
266 // Delta values have the range +/- MAX_LOOP_FILTER
267 //char ref_lf_deltas[MAX_REF_LF_DELTAS]; // 0 = Intra, Last, GF, ARF
268 //char mode_lf_deltas[MAX_MODE_LF_DELTAS]; // 0 = BPRED, ZERO_MV, MV, SPLIT
269 signed char ref_lf_deltas[MAX_REF_LF_DELTAS]; // 0 = Intra, Last, GF, ARF
270 signed char mode_lf_deltas[MAX_MODE_LF_DELTAS]; // 0 = BPRED, ZERO_MV, MV, SPLIT
272 // Distance of MB away from frame edges
274 int mb_to_right_edge;
276 int mb_to_bottom_edge;
278 //char * gf_active_ptr;
279 signed char *gf_active_ptr;
281 unsigned int frames_since_golden;
282 unsigned int frames_till_alt_ref_frame;
283 vp8_subpix_fn_t subpixel_predict;
284 vp8_subpix_fn_t subpixel_predict8x4;
285 vp8_subpix_fn_t subpixel_predict8x8;
286 vp8_subpix_fn_t subpixel_predict16x16;
290 #if CONFIG_RUNTIME_CPU_DETECT
291 struct VP8_COMMON_RTCD *rtcd;
296 extern void vp8_build_block_doffsets(MACROBLOCKD *x);
297 extern void vp8_setup_block_dptrs(MACROBLOCKD *x);
299 #endif /* __INC_BLOCKD_H */