blockd.h 9.96 KB
Newer Older
John Koleszar's avatar
John Koleszar committed
1
/*
2
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
John Koleszar's avatar
John Koleszar committed
3
 *
4
 *  Use of this source code is governed by a BSD-style license
5 6
 *  that can be found in the LICENSE file in the root of the source
 *  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.
John Koleszar's avatar
John Koleszar committed
9 10 11 12 13 14 15 16 17 18 19 20 21 22
 */


#ifndef __INC_BLOCKD_H
#define __INC_BLOCKD_H

void vpx_log(const char *format, ...);

#include "vpx_ports/config.h"
#include "vpx_scale/yv12config.h"
#include "mv.h"
#include "treecoder.h"
#include "subpixel.h"
#include "vpx_ports/mem.h"
23
#include "common.h"
John Koleszar's avatar
John Koleszar committed
24 25 26 27

#define TRUE    1
#define FALSE   0

28
//#define MODE_STATS
29

30
/*#define DCPRED 1*/
John Koleszar's avatar
John Koleszar committed
31 32 33 34
#define DCPREDSIMTHRESH 0
#define DCPREDCNTTHRESH 3

#define MB_FEATURE_TREE_PROBS   3
35
#define PREDICTION_PROBS 3
36

37 38 39 40
#if CONFIG_NEWENTROPY
#define MBSKIP_CONTEXTS 3
#endif

John Koleszar's avatar
John Koleszar committed
41 42 43 44 45
#define MAX_MB_SEGMENTS         4

#define MAX_REF_LF_DELTAS       4
#define MAX_MODE_LF_DELTAS      4

46
/* Segment Feature Masks */
John Koleszar's avatar
John Koleszar committed
47 48 49 50 51 52 53 54
#define SEGMENT_DELTADATA   0
#define SEGMENT_ABSDATA     1

typedef struct
{
    int r, c;
} POS;

Scott LaVarnway's avatar
Scott LaVarnway committed
55 56 57 58 59
#define PLANE_TYPE_Y_NO_DC    0
#define PLANE_TYPE_Y2         1
#define PLANE_TYPE_UV         2
#define PLANE_TYPE_Y_WITH_DC  3

John Koleszar's avatar
John Koleszar committed
60

61
typedef char ENTROPY_CONTEXT;
John Koleszar's avatar
John Koleszar committed
62 63
typedef struct
{
64 65 66 67 68
    ENTROPY_CONTEXT y1[4];
    ENTROPY_CONTEXT u[2];
    ENTROPY_CONTEXT v[2];
    ENTROPY_CONTEXT y2;
} ENTROPY_CONTEXT_PLANES;
John Koleszar's avatar
John Koleszar committed
69

70 71
extern const unsigned char vp8_block2left[25];
extern const unsigned char vp8_block2above[25];
72 73 74
extern const unsigned char vp8_block2left_8x8[25];
extern const unsigned char vp8_block2above_8x8[25];

John Koleszar's avatar
John Koleszar committed
75 76 77 78 79 80 81 82 83 84 85
#define VP8_COMBINEENTROPYCONTEXTS( Dest, A, B) \
    Dest = ((A)!=0) + ((B)!=0);

typedef enum
{
    KEY_FRAME = 0,
    INTER_FRAME = 1
} FRAME_TYPE;

typedef enum
{
86 87 88 89
    DC_PRED,            /* average of above and left pixels */
    V_PRED,             /* vertical prediction */
    H_PRED,             /* horizontal prediction */
    TM_PRED,            /* Truemotion prediction */
Yaowu Xu's avatar
Yaowu Xu committed
90
    I8X8_PRED,           /* 8x8 based prediction, each 8x8 has its own prediction mode */
91
    B_PRED,             /* block based prediction, each block has its own prediction mode */
John Koleszar's avatar
John Koleszar committed
92 93 94 95 96 97 98 99 100 101

    NEARESTMV,
    NEARMV,
    ZEROMV,
    NEWMV,
    SPLITMV,

    MB_MODE_COUNT
} MB_PREDICTION_MODE;

Paul Wilkins's avatar
Paul Wilkins committed
102
// Segment level features.
John Koleszar's avatar
John Koleszar committed
103 104
typedef enum
{
Paul Wilkins's avatar
Paul Wilkins committed
105 106 107 108 109
    SEG_LVL_ALT_Q = 0,               // Use alternate Quantizer ....
    SEG_LVL_ALT_LF = 1,              // Use alternate loop filter value...
    SEG_LVL_REF_FRAME = 2,           // Optional Segment reference frame
    SEG_LVL_MODE = 3,                // Optional Segment mode
    SEG_LVL_EOB = 4,                 // EOB end stop marker.
110
    SEG_LVL_TRANSFORM = 5,           // Block transform size.
Paul Wilkins's avatar
Paul Wilkins committed
111
    SEG_LVL_MAX = 6                  // Number of MB level features supported
John Koleszar's avatar
John Koleszar committed
112

Paul Wilkins's avatar
Paul Wilkins committed
113
} SEG_LVL_FEATURES;
John Koleszar's avatar
John Koleszar committed
114

Paul Wilkins's avatar
Paul Wilkins committed
115 116 117 118 119 120 121 122 123 124
// Segment level features.
typedef enum
{
    TX_4X4 = 0,                      // 4x4 dct transform
    TX_8X8 = 1,                      // 8x8 dct transform

    TX_SIZE_MAX = 2                  // Number of differnt transforms avaialble

} TX_SIZE;

John Koleszar's avatar
John Koleszar committed
125 126
#define VP8_YMODES  (B_PRED + 1)
#define VP8_UV_MODES (TM_PRED + 1)
Yaowu Xu's avatar
Yaowu Xu committed
127
#define VP8_I8X8_MODES (TM_PRED + 1)
John Koleszar's avatar
John Koleszar committed
128 129 130 131 132

#define VP8_MVREFS (1 + SPLITMV - NEARESTMV)

typedef enum
{
133
    B_DC_PRED,          /* average of above and left pixels */
John Koleszar's avatar
John Koleszar committed
134 135
    B_TM_PRED,

136 137
    B_VE_PRED,           /* vertical prediction */
    B_HE_PRED,           /* horizontal prediction */
John Koleszar's avatar
John Koleszar committed
138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161

    B_LD_PRED,
    B_RD_PRED,

    B_VR_PRED,
    B_VL_PRED,
    B_HD_PRED,
    B_HU_PRED,

    LEFT4X4,
    ABOVE4X4,
    ZERO4X4,
    NEW4X4,

    B_MODE_COUNT
} B_PREDICTION_MODE;

#define VP8_BINTRAMODES (B_HU_PRED + 1)  /* 10 */
#define VP8_SUBMVREFS (1 + NEW4X4 - LEFT4X4)

/* For keyframes, intra block modes are predicted by the (already decoded)
   modes for the Y blocks to the left and above us; for interframes, there
   is a single probability table. */

162 163
union b_mode_info
{
164 165 166 167 168 169
    struct {
        B_PREDICTION_MODE first;
#if CONFIG_COMP_INTRA_PRED
        B_PREDICTION_MODE second;
#endif
    } as_mode;
170 171 172 173
    struct {
        int_mv first;
        int_mv second;
    } as_mv;
174
};
John Koleszar's avatar
John Koleszar committed
175 176 177 178 179 180 181 182 183 184 185 186 187

typedef enum
{
    INTRA_FRAME = 0,
    LAST_FRAME = 1,
    GOLDEN_FRAME = 2,
    ALTREF_FRAME = 3,
    MAX_REF_FRAMES = 4
} MV_REFERENCE_FRAME;

typedef struct
{
    MB_PREDICTION_MODE mode, uv_mode;
188 189 190
#if CONFIG_COMP_INTRA_PRED
    MB_PREDICTION_MODE second_mode, second_uv_mode;
#endif
191
    MV_REFERENCE_FRAME ref_frame, second_ref_frame;
192
    TX_SIZE txfm_size;
193
    int_mv mv, second_mv;
Yunqing Wang's avatar
Yunqing Wang committed
194
    unsigned char partitioning;
195
    unsigned char mb_skip_coeff;                                /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */
196
    unsigned char need_to_clamp_mvs;
Yaowu Xu's avatar
Yaowu Xu committed
197
    unsigned char need_to_clamp_secondmv;
198
    unsigned char segment_id;                  /* Which set of segmentation parameters should be used for this MB */
199

200
    // Flags used for prediction status of various bistream signals
201
    unsigned char seg_id_predicted;
202 203 204 205 206 207 208
    unsigned char ref_predicted;

    // Indicates if the mb is part of the image (1) vs border (0)
    // This can be useful in determining whether the MB provides
    // a valid predictor
    unsigned char mb_in_image;

John Koleszar's avatar
John Koleszar committed
209 210 211 212 213
} MB_MODE_INFO;

typedef struct
{
    MB_MODE_INFO mbmi;
214
    union b_mode_info bmi[16];
John Koleszar's avatar
John Koleszar committed
215 216 217 218 219 220 221 222
} MODE_INFO;

typedef struct
{
    short *qcoeff;
    short *dqcoeff;
    unsigned char  *predictor;
    short *diff;
223
    short *dequant;
John Koleszar's avatar
John Koleszar committed
224

225
    /* 16 Y blocks, 4 U blocks, 4 V blocks each with 16 entries */
John Koleszar's avatar
John Koleszar committed
226
    unsigned char **base_pre;
227
    unsigned char **base_second_pre;
John Koleszar's avatar
John Koleszar committed
228 229 230 231 232 233 234 235 236
    int pre;
    int pre_stride;

    unsigned char **base_dst;
    int dst;
    int dst_stride;

    int eob;

Scott LaVarnway's avatar
Scott LaVarnway committed
237
    union b_mode_info bmi;
John Koleszar's avatar
John Koleszar committed
238 239
} BLOCKD;

Johann's avatar
Johann committed
240
typedef struct MacroBlockD
John Koleszar's avatar
John Koleszar committed
241
{
242
    DECLARE_ALIGNED(16, short, diff[400]);      /* from idct diff */
John Koleszar's avatar
John Koleszar committed
243 244 245
    DECLARE_ALIGNED(16, unsigned char,  predictor[384]);
    DECLARE_ALIGNED(16, short, qcoeff[400]);
    DECLARE_ALIGNED(16, short, dqcoeff[400]);
Fritz Koenig's avatar
Fritz Koenig committed
246
    DECLARE_ALIGNED(16, char,  eobs[25]);
John Koleszar's avatar
John Koleszar committed
247

248
    /* 16 Y blocks, 4 U, 4 V, 1 DC 2nd order block, each with 16 entries. */
John Koleszar's avatar
John Koleszar committed
249
    BLOCKD block[25];
250
    int fullpixel_mask;
John Koleszar's avatar
John Koleszar committed
251

252
    YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
253 254 255
    struct {
        uint8_t *y_buffer, *u_buffer, *v_buffer;
    } second_pre;
John Koleszar's avatar
John Koleszar committed
256 257
    YV12_BUFFER_CONFIG dst;

258
    MODE_INFO *prev_mode_info_context;
John Koleszar's avatar
John Koleszar committed
259 260 261 262 263 264 265 266
    MODE_INFO *mode_info_context;
    int mode_info_stride;

    FRAME_TYPE frame_type;

    int up_available;
    int left_available;

267
    /* Y,U,V,Y2 */
268 269
    ENTROPY_CONTEXT_PLANES *above_context;
    ENTROPY_CONTEXT_PLANES *left_context;
John Koleszar's avatar
John Koleszar committed
270

271
    /* 0 indicates segmentation at MB level is not enabled. Otherwise the individual bits indicate which features are active. */
John Koleszar's avatar
John Koleszar committed
272 273
    unsigned char segmentation_enabled;

274
    /* 0 (do not update) 1 (update) the macroblock segmentation map. */
John Koleszar's avatar
John Koleszar committed
275 276
    unsigned char update_mb_segmentation_map;

277
    /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
John Koleszar's avatar
John Koleszar committed
278 279
    unsigned char update_mb_segmentation_data;

280
    /* 0 (do not update) 1 (update) the macroblock segmentation feature data. */
Paul Wilkins's avatar
Paul Wilkins committed
281
    unsigned char mb_segment_abs_delta;
John Koleszar's avatar
John Koleszar committed
282

283 284
    /* Per frame flags that define which MB level features (such as quantizer or loop filter level) */
    /* are enabled and when enabled the proabilities used to decode the per MB flags in MB_MODE_INFO */
285 286 287 288

    // Probability Tree used to code Segment number
    vp8_prob mb_segment_tree_probs[MB_FEATURE_TREE_PROBS];

Paul Wilkins's avatar
Paul Wilkins committed
289 290

    // Segment features
291
    signed char segment_feature_data[MAX_MB_SEGMENTS][SEG_LVL_MAX];
Paul Wilkins's avatar
Paul Wilkins committed
292
    unsigned int segment_feature_mask[MAX_MB_SEGMENTS];
John Koleszar's avatar
John Koleszar committed
293

Jim Bankoski's avatar
Jim Bankoski committed
294 295 296 297 298 299
#if CONFIG_FEATUREUPDATES
    // keep around the last set so we can figure out what updates...
    unsigned int old_segment_feature_mask[MAX_MB_SEGMENTS];
    signed char old_segment_feature_data[MAX_MB_SEGMENTS][SEG_LVL_MAX];
#endif

300
    /* mode_based Loop filter adjustment */
John Koleszar's avatar
John Koleszar committed
301 302 303
    unsigned char mode_ref_lf_delta_enabled;
    unsigned char mode_ref_lf_delta_update;

304 305 306
    /* Delta values have the range +/- MAX_LOOP_FILTER */
    signed char last_ref_lf_deltas[MAX_REF_LF_DELTAS];                /* 0 = Intra, Last, GF, ARF */
    signed char ref_lf_deltas[MAX_REF_LF_DELTAS];                     /* 0 = Intra, Last, GF, ARF */
307 308
    signed char last_mode_lf_deltas[MAX_MODE_LF_DELTAS];              /* 0 = BPRED, ZERO_MV, MV, SPLIT */
    signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];                   /* 0 = BPRED, ZERO_MV, MV, SPLIT */
John Koleszar's avatar
John Koleszar committed
309

310
    /* Distance of MB away from frame edges */
John Koleszar's avatar
John Koleszar committed
311 312 313 314 315 316 317 318 319 320 321
    int mb_to_left_edge;
    int mb_to_right_edge;
    int mb_to_top_edge;
    int mb_to_bottom_edge;

    unsigned int frames_since_golden;
    unsigned int frames_till_alt_ref_frame;
    vp8_subpix_fn_t  subpixel_predict;
    vp8_subpix_fn_t  subpixel_predict8x4;
    vp8_subpix_fn_t  subpixel_predict8x8;
    vp8_subpix_fn_t  subpixel_predict16x16;
322 323
    vp8_subpix_fn_t  subpixel_predict_avg;
    vp8_subpix_fn_t  subpixel_predict_avg8x4;
324 325
    vp8_subpix_fn_t  subpixel_predict_avg8x8;
    vp8_subpix_fn_t  subpixel_predict_avg16x16;
326 327 328
#if CONFIG_HIGH_PRECISION_MV
    int allow_high_precision_mv;
#endif /* CONFIG_HIGH_PRECISION_MV */
John Koleszar's avatar
John Koleszar committed
329 330 331

    void *current_bc;

332 333
    int corrupted;

334 335 336 337 338 339 340 341
#if ARCH_X86 || ARCH_X86_64
    /* This is an intermediate buffer currently used in sub-pixel motion search
     * to keep a copy of the reference area. This buffer can be used for other
     * purpose.
     */
    DECLARE_ALIGNED(32, unsigned char, y_buf[22*32]);
#endif

John Koleszar's avatar
John Koleszar committed
342 343 344
#if CONFIG_RUNTIME_CPU_DETECT
    struct VP8_COMMON_RTCD  *rtcd;
#endif
Adrian Grange's avatar
Adrian Grange committed
345 346 347

    int mb_index;   // Index of the MB in the SB (0..3)

John Koleszar's avatar
John Koleszar committed
348 349 350 351 352 353
} MACROBLOCKD;


extern void vp8_build_block_doffsets(MACROBLOCKD *x);
extern void vp8_setup_block_dptrs(MACROBLOCKD *x);

Yaowu Xu's avatar
Yaowu Xu committed
354 355 356 357 358
static void update_blockd_bmi(MACROBLOCKD *xd)
{
    int i;
    int is_4x4;
    is_4x4 = (xd->mode_info_context->mbmi.mode == SPLITMV) ||
Yaowu Xu's avatar
Yaowu Xu committed
359 360
             (xd->mode_info_context->mbmi.mode == I8X8_PRED) ||
             (xd->mode_info_context->mbmi.mode == B_PRED);
Yaowu Xu's avatar
Yaowu Xu committed
361 362 363 364 365 366 367 368 369

    if (is_4x4)
    {
        for (i = 0; i < 16; i++)
        {
            xd->block[i].bmi = xd->mode_info_context->bmi[i];
        }
    }
}
John Koleszar's avatar
John Koleszar committed
370
#endif  /* __INC_BLOCKD_H */