rdopt.c 80.3 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
 */


#include <stdio.h>
#include <math.h>
#include <limits.h>
#include <assert.h>
John Koleszar's avatar
John Koleszar committed
16
#include "vp8/common/pragmas.h"
John Koleszar's avatar
John Koleszar committed
17 18 19 20 21 22

#include "tokenize.h"
#include "treewriter.h"
#include "onyx_int.h"
#include "modecosts.h"
#include "encodeintra.h"
John Koleszar's avatar
John Koleszar committed
23 24 25 26 27
#include "vp8/common/entropymode.h"
#include "vp8/common/reconinter.h"
#include "vp8/common/reconintra.h"
#include "vp8/common/reconintra4x4.h"
#include "vp8/common/findnearmv.h"
John Koleszar's avatar
John Koleszar committed
28 29
#include "encodemb.h"
#include "quantize.h"
John Koleszar's avatar
John Koleszar committed
30 31
#include "vp8/common/idct.h"
#include "vp8/common/g_common.h"
John Koleszar's avatar
John Koleszar committed
32 33
#include "variance.h"
#include "mcomp.h"
Yunqing Wang's avatar
Yunqing Wang committed
34
#include "rdopt.h"
John Koleszar's avatar
John Koleszar committed
35 36
#include "vpx_mem/vpx_mem.h"
#include "dct.h"
John Koleszar's avatar
John Koleszar committed
37
#include "vp8/common/systemdependent.h"
John Koleszar's avatar
John Koleszar committed
38 39 40 41 42 43 44 45

#if CONFIG_RUNTIME_CPU_DETECT
#define IF_RTCD(x)  (x)
#else
#define IF_RTCD(x)  NULL
#endif


Scott LaVarnway's avatar
Scott LaVarnway committed
46 47
extern void vp8_update_zbin_extra(VP8_COMP *cpi, MACROBLOCK *x);

John Koleszar's avatar
John Koleszar committed
48 49
#define MAXF(a,b)            (((a) > (b)) ? (a) : (b))

50
static const int auto_speed_thresh[17] =
John Koleszar's avatar
John Koleszar committed
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135
{
    1000,
    200,
    150,
    130,
    150,
    125,
    120,
    115,
    115,
    115,
    115,
    115,
    115,
    115,
    115,
    115,
    105
};

const MB_PREDICTION_MODE vp8_mode_order[MAX_MODES] =
{
    ZEROMV,
    DC_PRED,

    NEARESTMV,
    NEARMV,

    ZEROMV,
    NEARESTMV,

    ZEROMV,
    NEARESTMV,

    NEARMV,
    NEARMV,

    V_PRED,
    H_PRED,
    TM_PRED,

    NEWMV,
    NEWMV,
    NEWMV,

    SPLITMV,
    SPLITMV,
    SPLITMV,

    B_PRED,
};

const MV_REFERENCE_FRAME vp8_ref_frame_order[MAX_MODES] =
{
    LAST_FRAME,
    INTRA_FRAME,

    LAST_FRAME,
    LAST_FRAME,

    GOLDEN_FRAME,
    GOLDEN_FRAME,

    ALTREF_FRAME,
    ALTREF_FRAME,

    GOLDEN_FRAME,
    ALTREF_FRAME,

    INTRA_FRAME,
    INTRA_FRAME,
    INTRA_FRAME,

    LAST_FRAME,
    GOLDEN_FRAME,
    ALTREF_FRAME,

    LAST_FRAME,
    GOLDEN_FRAME,
    ALTREF_FRAME,

    INTRA_FRAME,
};

static void fill_token_costs(
136 137
    unsigned int c      [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS],
    const vp8_prob p    [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES]
John Koleszar's avatar
John Koleszar committed
138 139 140 141 142 143 144 145 146 147 148 149 150
)
{
    int i, j, k;


    for (i = 0; i < BLOCK_TYPES; i++)
        for (j = 0; j < COEF_BANDS; j++)
            for (k = 0; k < PREV_COEF_CONTEXTS; k++)

                vp8_cost_tokens((int *)(c [i][j][k]), p [i][j][k], vp8_coef_tree);

}

Paul Wilkins's avatar
Paul Wilkins committed
151
static int rd_iifactor [ 32 ] =  {    4,   4,   3,   2,   1,   0,   0,   0,
John Koleszar's avatar
John Koleszar committed
152 153 154 155 156
                                      0,   0,   0,   0,   0,   0,   0,   0,
                                      0,   0,   0,   0,   0,   0,   0,   0,
                                      0,   0,   0,   0,   0,   0,   0,   0,
                                 };

157 158
/* values are now correlated to quantizer */
static int sad_per_bit16lut[QINDEX_RANGE] =
John Koleszar's avatar
John Koleszar committed
159
{
Yaowu Xu's avatar
Yaowu Xu committed
160 161 162 163 164 165
    2,  2,  2,  2,  2,  2,  2,  2,
    2,  2,  2,  2,  2,  2,  2,  2,
    3,  3,  3,  3,  3,  3,  3,  3,
    3,  3,  3,  3,  3,  3,  4,  4,
    4,  4,  4,  4,  4,  4,  4,  4,
    4,  4,  5,  5,  5,  5,  5,  5,
166
    5,  5,  5,  5,  5,  5,  6,  6,
Yaowu Xu's avatar
Yaowu Xu committed
167 168 169 170 171 172 173 174 175
    6,  6,  6,  6,  6,  6,  6,  6,
    6,  6,  7,  7,  7,  7,  7,  7,
    7,  7,  7,  7,  7,  7,  8,  8,
    8,  8,  8,  8,  8,  8,  8,  8,
    8,  8,  9,  9,  9,  9,  9,  9,
    9,  9,  9,  9,  9,  9,  10, 10,
    10, 10, 10, 10, 10, 10, 11, 11,
    11, 11, 11, 11, 12, 12, 12, 12,
    12, 12, 13, 13, 13, 13, 14, 14
John Koleszar's avatar
John Koleszar committed
176
};
177
static int sad_per_bit4lut[QINDEX_RANGE] =
John Koleszar's avatar
John Koleszar committed
178
{
Yaowu Xu's avatar
Yaowu Xu committed
179 180 181 182 183 184 185
    2,  2,  2,  2,  2,  2,  3,  3,
    3,  3,  3,  3,  3,  3,  3,  3,
    3,  3,  3,  3,  4,  4,  4,  4,
    4,  4,  4,  4,  4,  4,  5,  5,
    5,  5,  5,  5,  6,  6,  6,  6,
    6,  6,  6,  6,  6,  6,  6,  6,
    7,  7,  7,  7,  7,  7,  7,  7,
186
    7,  7,  7,  7,  7,  8,  8,  8,
Yaowu Xu's avatar
Yaowu Xu committed
187 188 189 190 191 192 193 194
    8,  8,  9,  9,  9,  9,  9,  9,
    10, 10, 10, 10, 10, 10, 10, 10,
    11, 11, 11, 11, 11, 11, 11, 11,
    12, 12, 12, 12, 12, 12, 12, 12,
    13, 13, 13, 13, 13, 13, 13, 14,
    14, 14, 14, 14, 15, 15, 15, 15,
    16, 16, 16, 16, 17, 17, 17, 18,
    18, 18, 19, 19, 19, 20, 20, 20,
John Koleszar's avatar
John Koleszar committed
195 196 197 198
};

void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex)
{
Yaowu Xu's avatar
Yaowu Xu committed
199 200
    cpi->mb.sadperbit16 =  sad_per_bit16lut[QIndex];
    cpi->mb.sadperbit4  =  sad_per_bit4lut[QIndex];
John Koleszar's avatar
John Koleszar committed
201 202 203 204 205 206
}

void vp8_initialize_rd_consts(VP8_COMP *cpi, int Qvalue)
{
    int q;
    int i;
207
    double capped_q = (Qvalue < 160) ? (double)Qvalue : 160.0;
208
    double rdconst = 2.70;
John Koleszar's avatar
John Koleszar committed
209 210 211

    vp8_clear_system_state();  //__asm emms;

212 213 214 215 216
    // Further tests required to see if optimum is different
    // for key frames, golden frames and arf frames.
    // if (cpi->common.refresh_golden_frame ||
    //     cpi->common.refresh_alt_ref_frame)
    cpi->RDMULT = (int)(rdconst * (capped_q * capped_q));
John Koleszar's avatar
John Koleszar committed
217

218 219 220 221 222 223 224 225 226 227 228 229
    // Extend rate multiplier along side quantizer zbin increases
    if (cpi->zbin_over_quant  > 0)
    {
        double oq_factor;
        double modq;

        // Experimental code using the same basic equation as used for Q above
        // The units of cpi->zbin_over_quant are 1/128 of Q bin size
        oq_factor = 1.0 + ((double)0.0015625 * cpi->zbin_over_quant);
        modq = (int)((double)capped_q * oq_factor);
        cpi->RDMULT = (int)(rdconst * (modq * modq));
    }
John Koleszar's avatar
John Koleszar committed
230

Paul Wilkins's avatar
Paul Wilkins committed
231
    if (cpi->pass == 2 && (cpi->common.frame_type != KEY_FRAME))
John Koleszar's avatar
John Koleszar committed
232
    {
233
        if (cpi->twopass.next_iiratio > 31)
Paul Wilkins's avatar
Paul Wilkins committed
234
            cpi->RDMULT += (cpi->RDMULT * rd_iifactor[31]) >> 4;
John Koleszar's avatar
John Koleszar committed
235
        else
236 237
            cpi->RDMULT +=
                (cpi->RDMULT * rd_iifactor[cpi->twopass.next_iiratio]) >> 4;
John Koleszar's avatar
John Koleszar committed
238 239
    }

240
    cpi->mb.errorperbit = (cpi->RDMULT / 110);
241 242
    cpi->mb.errorperbit += (cpi->mb.errorperbit==0);

John Koleszar's avatar
John Koleszar committed
243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318
    vp8_set_speed_features(cpi);

    q = (int)pow(Qvalue, 1.25);

    if (q < 8)
        q = 8;

    if (cpi->RDMULT > 1000)
    {
        cpi->RDDIV = 1;
        cpi->RDMULT /= 100;

        for (i = 0; i < MAX_MODES; i++)
        {
            if (cpi->sf.thresh_mult[i] < INT_MAX)
            {
                cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q / 100;
            }
            else
            {
                cpi->rd_threshes[i] = INT_MAX;
            }

            cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
        }
    }
    else
    {
        cpi->RDDIV = 100;

        for (i = 0; i < MAX_MODES; i++)
        {
            if (cpi->sf.thresh_mult[i] < (INT_MAX / q))
            {
                cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q;
            }
            else
            {
                cpi->rd_threshes[i] = INT_MAX;
            }

            cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
        }
    }

    fill_token_costs(
        cpi->mb.token_costs,
        (const vp8_prob( *)[8][3][11]) cpi->common.fc.coef_probs
    );

    vp8_init_mode_costs(cpi);

}

void vp8_auto_select_speed(VP8_COMP *cpi)
{
    int milliseconds_for_compress = (int)(1000000 / cpi->oxcf.frame_rate);

    milliseconds_for_compress = milliseconds_for_compress * (16 - cpi->oxcf.cpu_used) / 16;

#if 0

    if (0)
    {
        FILE *f;

        f = fopen("speed.stt", "a");
        fprintf(f, " %8ld %10ld %10ld %10ld\n",
                cpi->common.current_video_frame, cpi->Speed, milliseconds_for_compress, cpi->avg_pick_mode_time);
        fclose(f);
    }

#endif

    /*
    // this is done during parameter valid check
Johann's avatar
Johann committed
319 320 321 322
    if( cpi->oxcf.cpu_used > 16)
        cpi->oxcf.cpu_used = 16;
    if( cpi->oxcf.cpu_used < -16)
        cpi->oxcf.cpu_used = -16;
John Koleszar's avatar
John Koleszar committed
323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344
    */

    if (cpi->avg_pick_mode_time < milliseconds_for_compress && (cpi->avg_encode_time - cpi->avg_pick_mode_time) < milliseconds_for_compress)
    {
        if (cpi->avg_pick_mode_time == 0)
        {
            cpi->Speed = 4;
        }
        else
        {
            if (milliseconds_for_compress * 100 < cpi->avg_encode_time * 95)
            {
                cpi->Speed          += 2;
                cpi->avg_pick_mode_time = 0;
                cpi->avg_encode_time = 0;

                if (cpi->Speed > 16)
                {
                    cpi->Speed = 16;
                }
            }

345
            if (milliseconds_for_compress * 100 > cpi->avg_encode_time * auto_speed_thresh[cpi->Speed])
John Koleszar's avatar
John Koleszar committed
346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441
            {
                cpi->Speed          -= 1;
                cpi->avg_pick_mode_time = 0;
                cpi->avg_encode_time = 0;

                // In real-time mode, cpi->speed is in [4, 16].
                if (cpi->Speed < 4)        //if ( cpi->Speed < 0 )
                {
                    cpi->Speed = 4;        //cpi->Speed = 0;
                }
            }
        }
    }
    else
    {
        cpi->Speed += 4;

        if (cpi->Speed > 16)
            cpi->Speed = 16;


        cpi->avg_pick_mode_time = 0;
        cpi->avg_encode_time = 0;
    }
}

int vp8_block_error_c(short *coeff, short *dqcoeff)
{
    int i;
    int error = 0;

    for (i = 0; i < 16; i++)
    {
        int this_diff = coeff[i] - dqcoeff[i];
        error += this_diff * this_diff;
    }

    return error;
}

int vp8_mbblock_error_c(MACROBLOCK *mb, int dc)
{
    BLOCK  *be;
    BLOCKD *bd;
    int i, j;
    int berror, error = 0;

    for (i = 0; i < 16; i++)
    {
        be = &mb->block[i];
        bd = &mb->e_mbd.block[i];

        berror = 0;

        for (j = dc; j < 16; j++)
        {
            int this_diff = be->coeff[j] - bd->dqcoeff[j];
            berror += this_diff * this_diff;
        }

        error += berror;
    }

    return error;
}

int vp8_mbuverror_c(MACROBLOCK *mb)
{

    BLOCK  *be;
    BLOCKD *bd;


    int i;
    int error = 0;

    for (i = 16; i < 24; i++)
    {
        be = &mb->block[i];
        bd = &mb->e_mbd.block[i];

        error += vp8_block_error_c(be->coeff, bd->dqcoeff);
    }

    return error;
}

int VP8_UVSSE(MACROBLOCK *x, const vp8_variance_rtcd_vtable_t *rtcd)
{
    unsigned char *uptr, *vptr;
    unsigned char *upred_ptr = (*(x->block[16].base_src) + x->block[16].src);
    unsigned char *vpred_ptr = (*(x->block[20].base_src) + x->block[20].src);
    int uv_stride = x->block[16].src_stride;

    unsigned int sse1 = 0;
    unsigned int sse2 = 0;
442 443
    int mv_row = x->e_mbd.mode_info_context->mbmi.mv.as_mv.row;
    int mv_col = x->e_mbd.mode_info_context->mbmi.mv.as_mv.col;
John Koleszar's avatar
John Koleszar committed
444 445 446
    int offset;
    int pre_stride = x->e_mbd.block[16].pre_stride;

447 448 449 450 451 452 453 454 455 456 457 458
    if (mv_row < 0)
        mv_row -= 1;
    else
        mv_row += 1;

    if (mv_col < 0)
        mv_col -= 1;
    else
        mv_col += 1;

    mv_row /= 2;
    mv_col /= 2;
John Koleszar's avatar
John Koleszar committed
459 460 461 462 463 464 465

    offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
    uptr = x->e_mbd.pre.u_buffer + offset;
    vptr = x->e_mbd.pre.v_buffer + offset;

    if ((mv_row | mv_col) & 7)
    {
466 467 468 469
        VARIANCE_INVOKE(rtcd, subpixvar8x8)(uptr, pre_stride,
            mv_col & 7, mv_row & 7, upred_ptr, uv_stride, &sse2);
        VARIANCE_INVOKE(rtcd, subpixvar8x8)(vptr, pre_stride,
            mv_col & 7, mv_row & 7, vpred_ptr, uv_stride, &sse1);
John Koleszar's avatar
John Koleszar committed
470 471 472 473
        sse2 += sse1;
    }
    else
    {
474 475 476 477
        VARIANCE_INVOKE(rtcd, var8x8)(uptr, pre_stride,
            upred_ptr, uv_stride, &sse2);
        VARIANCE_INVOKE(rtcd, var8x8)(vptr, pre_stride,
            vpred_ptr, uv_stride, &sse1);
John Koleszar's avatar
John Koleszar committed
478 479 480 481 482 483 484 485 486
        sse2 += sse1;
    }
    return sse2;

}

static int cost_coeffs(MACROBLOCK *mb, BLOCKD *b, int type, ENTROPY_CONTEXT *a, ENTROPY_CONTEXT *l)
{
    int c = !type;              /* start at coef 0, unless Y with Y2 */
487
    int eob = (int)(*b->eob);
John Koleszar's avatar
John Koleszar committed
488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
    int pt ;    /* surrounding block/prev coef predictor */
    int cost = 0;
    short *qcoeff_ptr = b->qcoeff;

    VP8_COMBINEENTROPYCONTEXTS(pt, *a, *l);

# define QC( I)  ( qcoeff_ptr [vp8_default_zig_zag1d[I]] )

    for (; c < eob; c++)
    {
        int v = QC(c);
        int t = vp8_dct_value_tokens_ptr[v].Token;
        cost += mb->token_costs [type] [vp8_coef_bands[c]] [pt] [t];
        cost += vp8_dct_value_cost_ptr[v];
        pt = vp8_prev_token_class[t];
    }

# undef QC

    if (c < 16)
        cost += mb->token_costs [type] [vp8_coef_bands[c]] [pt] [DCT_EOB_TOKEN];

    pt = (c != !type); // is eob first coefficient;
    *a = *l = pt;

    return cost;
}

Scott LaVarnway's avatar
Scott LaVarnway committed
516
static int vp8_rdcost_mby(MACROBLOCK *mb)
John Koleszar's avatar
John Koleszar committed
517 518 519 520
{
    int cost = 0;
    int b;
    MACROBLOCKD *x = &mb->e_mbd;
521 522 523 524 525 526
    ENTROPY_CONTEXT_PLANES t_above, t_left;
    ENTROPY_CONTEXT *ta;
    ENTROPY_CONTEXT *tl;

    vpx_memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
    vpx_memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
John Koleszar's avatar
John Koleszar committed
527

528 529
    ta = (ENTROPY_CONTEXT *)&t_above;
    tl = (ENTROPY_CONTEXT *)&t_left;
John Koleszar's avatar
John Koleszar committed
530 531

    for (b = 0; b < 16; b++)
Scott LaVarnway's avatar
Scott LaVarnway committed
532
        cost += cost_coeffs(mb, x->block + b, PLANE_TYPE_Y_NO_DC,
533
                    ta + vp8_block2above[b], tl + vp8_block2left[b]);
John Koleszar's avatar
John Koleszar committed
534

Scott LaVarnway's avatar
Scott LaVarnway committed
535
    cost += cost_coeffs(mb, x->block + 24, PLANE_TYPE_Y2,
Scott LaVarnway's avatar
Scott LaVarnway committed
536
                ta + vp8_block2above[24], tl + vp8_block2left[24]);
John Koleszar's avatar
John Koleszar committed
537 538 539 540

    return cost;
}

541 542 543 544 545 546 547 548 549 550 551 552 553
static void macro_block_yrd( MACROBLOCK *mb,
                             int *Rate,
                             int *Distortion,
                             const vp8_encodemb_rtcd_vtable_t *rtcd)
{
    int b;
    MACROBLOCKD *const x = &mb->e_mbd;
    BLOCK   *const mb_y2 = mb->block + 24;
    BLOCKD *const x_y2  = x->block + 24;
    short *Y2DCPtr = mb_y2->src_diff;
    BLOCK *beptr;
    int d;

554 555
    ENCODEMB_INVOKE(rtcd, submby)( mb->src_diff, *(mb->block[0].base_src),
                                   mb->e_mbd.predictor, mb->block[0].src_stride );
556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585

    // Fdct and building the 2nd order block
    for (beptr = mb->block; beptr < mb->block + 16; beptr += 2)
    {
        mb->vp8_short_fdct8x4(beptr->src_diff, beptr->coeff, 32);
        *Y2DCPtr++ = beptr->coeff[0];
        *Y2DCPtr++ = beptr->coeff[16];
    }

    // 2nd order fdct
    mb->short_walsh4x4(mb_y2->src_diff, mb_y2->coeff, 8);

    // Quantization
    for (b = 0; b < 16; b++)
    {
        mb->quantize_b(&mb->block[b], &mb->e_mbd.block[b]);
    }

    // DC predication and Quantization of 2nd Order block
    mb->quantize_b(mb_y2, x_y2);

    // Distortion
    d = ENCODEMB_INVOKE(rtcd, mberr)(mb, 1) << 2;
    d += ENCODEMB_INVOKE(rtcd, berr)(mb_y2->coeff, x_y2->dqcoeff);

    *Distortion = (d >> 4);

    // rate
    *Rate = vp8_rdcost_mby(mb);
}
John Koleszar's avatar
John Koleszar committed
586

587
static void copy_predictor(unsigned char *dst, const unsigned char *predictor)
588
{
589 590 591 592 593 594
    const unsigned int *p = (const unsigned int *)predictor;
    unsigned int *d = (unsigned int *)dst;
    d[0] = p[0];
    d[4] = p[4];
    d[8] = p[8];
    d[12] = p[12];
595
}
596
static int rd_pick_intra4x4block(
John Koleszar's avatar
John Koleszar committed
597 598 599 600 601
    VP8_COMP *cpi,
    MACROBLOCK *x,
    BLOCK *be,
    BLOCKD *b,
    B_PREDICTION_MODE *best_mode,
602
    unsigned int *bmode_costs,
John Koleszar's avatar
John Koleszar committed
603 604 605 606 607 608 609 610
    ENTROPY_CONTEXT *a,
    ENTROPY_CONTEXT *l,

    int *bestrate,
    int *bestratey,
    int *bestdistortion)
{
    B_PREDICTION_MODE mode;
611
    int best_rd = INT_MAX;
John Koleszar's avatar
John Koleszar committed
612 613 614 615 616
    int rate = 0;
    int distortion;

    ENTROPY_CONTEXT ta = *a, tempa = *a;
    ENTROPY_CONTEXT tl = *l, templ = *l;
617 618 619 620 621 622 623
    /*
     * The predictor buffer is a 2d buffer with a stride of 16.  Create
     * a temp buffer that meets the stride requirements, but we are only
     * interested in the left 4x4 block
     * */
    DECLARE_ALIGNED_ARRAY(16, unsigned char,  best_predictor, 16*4);
    DECLARE_ALIGNED_ARRAY(16, short, best_dqcoeff, 16);
John Koleszar's avatar
John Koleszar committed
624 625 626 627 628 629

    for (mode = B_DC_PRED; mode <= B_HU_PRED; mode++)
    {
        int this_rd;
        int ratey;

630 631
        rate = bmode_costs[mode];

632
        RECON_INVOKE(&cpi->rtcd.common->recon, intra4x4_predict)
633
                     (b, mode, b->predictor, 16);
634 635 636
        ENCODEMB_INVOKE(IF_RTCD(&cpi->rtcd.encodemb), subb)(be, b, 16);
        x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
        x->quantize_b(be, b);
John Koleszar's avatar
John Koleszar committed
637 638 639 640

        tempa = ta;
        templ = tl;

Scott LaVarnway's avatar
Scott LaVarnway committed
641
        ratey = cost_coeffs(x, b, PLANE_TYPE_Y_WITH_DC, &tempa, &templ);
John Koleszar's avatar
John Koleszar committed
642 643 644 645 646 647 648 649 650 651 652 653 654 655
        rate += ratey;
        distortion = ENCODEMB_INVOKE(IF_RTCD(&cpi->rtcd.encodemb), berr)(be->coeff, b->dqcoeff) >> 2;

        this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);

        if (this_rd < best_rd)
        {
            *bestrate = rate;
            *bestratey = ratey;
            *bestdistortion = distortion;
            best_rd = this_rd;
            *best_mode = mode;
            *a = tempa;
            *l = templ;
656 657
            copy_predictor(best_predictor, b->predictor);
            vpx_memcpy(best_dqcoeff, b->dqcoeff, 32);
John Koleszar's avatar
John Koleszar committed
658 659
        }
    }
Scott LaVarnway's avatar
Scott LaVarnway committed
660
    b->bmi.as_mode = (B_PREDICTION_MODE)(*best_mode);
661

662 663
    IDCT_INVOKE(IF_RTCD(&cpi->rtcd.common->idct), idct16)(best_dqcoeff,
        best_predictor, 16, *(b->base_dst) + b->dst, b->dst_stride);
John Koleszar's avatar
John Koleszar committed
664

665
    return best_rd;
John Koleszar's avatar
John Koleszar committed
666 667
}

668 669
static int rd_pick_intra4x4mby_modes(VP8_COMP *cpi, MACROBLOCK *mb, int *Rate,
                                     int *rate_y, int *Distortion, int best_rd)
John Koleszar's avatar
John Koleszar committed
670 671 672 673 674 675
{
    MACROBLOCKD *const xd = &mb->e_mbd;
    int i;
    int cost = mb->mbmode_cost [xd->frame_type] [B_PRED];
    int distortion = 0;
    int tot_rate_y = 0;
676
    int64_t total_rd = 0;
677 678 679
    ENTROPY_CONTEXT_PLANES t_above, t_left;
    ENTROPY_CONTEXT *ta;
    ENTROPY_CONTEXT *tl;
680
    unsigned int *bmode_costs;
681 682 683 684 685 686

    vpx_memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
    vpx_memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));

    ta = (ENTROPY_CONTEXT *)&t_above;
    tl = (ENTROPY_CONTEXT *)&t_left;
John Koleszar's avatar
John Koleszar committed
687 688 689

    vp8_intra_prediction_down_copy(xd);

690 691
    bmode_costs = mb->inter_bmode_costs;

John Koleszar's avatar
John Koleszar committed
692 693 694 695 696 697 698
    for (i = 0; i < 16; i++)
    {
        MODE_INFO *const mic = xd->mode_info_context;
        const int mis = xd->mode_info_stride;
        B_PREDICTION_MODE UNINITIALIZED_IS_SAFE(best_mode);
        int UNINITIALIZED_IS_SAFE(r), UNINITIALIZED_IS_SAFE(ry), UNINITIALIZED_IS_SAFE(d);

699 700
        if (mb->e_mbd.frame_type == KEY_FRAME)
        {
Scott LaVarnway's avatar
Scott LaVarnway committed
701 702
            const B_PREDICTION_MODE A = above_block_mode(mic, i, mis);
            const B_PREDICTION_MODE L = left_block_mode(mic, i);
703 704 705 706

            bmode_costs  = mb->bmode_costs[A][L];
        }

707
        total_rd += rd_pick_intra4x4block(
708
            cpi, mb, mb->block + i, xd->block + i, &best_mode, bmode_costs,
709 710
            ta + vp8_block2above[i],
            tl + vp8_block2left[i], &r, &ry, &d);
John Koleszar's avatar
John Koleszar committed
711 712 713 714

        cost += r;
        distortion += d;
        tot_rate_y += ry;
Scott LaVarnway's avatar
Scott LaVarnway committed
715 716

        mic->bmi[i].as_mode = best_mode;
717

718
        if(total_rd >= (int64_t)best_rd)
719
            break;
John Koleszar's avatar
John Koleszar committed
720 721
    }

722
    if(total_rd >= (int64_t)best_rd)
723
        return INT_MAX;
724

John Koleszar's avatar
John Koleszar committed
725 726 727 728 729 730
    *Rate = cost;
    *rate_y += tot_rate_y;
    *Distortion = distortion;

    return RDCOST(mb->rdmult, mb->rddiv, cost, distortion);
}
731 732 733 734 735 736 737


static int rd_pick_intra16x16mby_mode(VP8_COMP *cpi,
                                      MACROBLOCK *x,
                                      int *Rate,
                                      int *rate_y,
                                      int *Distortion)
John Koleszar's avatar
John Koleszar committed
738 739 740 741
{
    MB_PREDICTION_MODE mode;
    MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
    int rate, ratey;
742
    int distortion;
John Koleszar's avatar
John Koleszar committed
743
    int best_rd = INT_MAX;
744
    int this_rd;
John Koleszar's avatar
John Koleszar committed
745 746 747 748

    //Y Search for 16x16 intra prediction mode
    for (mode = DC_PRED; mode <= TM_PRED; mode++)
    {
749
        x->e_mbd.mode_info_context->mbmi.mode = mode;
John Koleszar's avatar
John Koleszar committed
750

751 752
        RECON_INVOKE(&cpi->common.rtcd.recon, build_intra_predictors_mby)
            (&x->e_mbd);
John Koleszar's avatar
John Koleszar committed
753

754 755 756
        macro_block_yrd(x, &ratey, &distortion, IF_RTCD(&cpi->rtcd.encodemb));
        rate = ratey + x->mbmode_cost[x->e_mbd.frame_type]
                                     [x->e_mbd.mode_info_context->mbmi.mode];
John Koleszar's avatar
John Koleszar committed
757 758 759 760 761 762 763 764 765

        this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);

        if (this_rd < best_rd)
        {
            mode_selected = mode;
            best_rd = this_rd;
            *Rate = rate;
            *rate_y = ratey;
766
            *Distortion = distortion;
John Koleszar's avatar
John Koleszar committed
767 768 769
        }
    }

770
    x->e_mbd.mode_info_context->mbmi.mode = mode_selected;
John Koleszar's avatar
John Koleszar committed
771 772 773 774 775 776 777 778
    return best_rd;
}

static int rd_cost_mbuv(MACROBLOCK *mb)
{
    int b;
    int cost = 0;
    MACROBLOCKD *x = &mb->e_mbd;
779 780 781 782 783 784
    ENTROPY_CONTEXT_PLANES t_above, t_left;
    ENTROPY_CONTEXT *ta;
    ENTROPY_CONTEXT *tl;

    vpx_memcpy(&t_above, mb->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
    vpx_memcpy(&t_left, mb->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
John Koleszar's avatar
John Koleszar committed
785

786 787
    ta = (ENTROPY_CONTEXT *)&t_above;
    tl = (ENTROPY_CONTEXT *)&t_left;
John Koleszar's avatar
John Koleszar committed
788

Scott LaVarnway's avatar
Scott LaVarnway committed
789 790
    for (b = 16; b < 24; b++)
        cost += cost_coeffs(mb, x->block + b, PLANE_TYPE_UV,
791
                    ta + vp8_block2above[b], tl + vp8_block2left[b]);
John Koleszar's avatar
John Koleszar committed
792 793 794 795 796

    return cost;
}


797 798
static int rd_inter16x16_uv(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
                            int *distortion, int fullpixel)
John Koleszar's avatar
John Koleszar committed
799
{
800 801 802
    vp8_build_inter16x16_predictors_mbuv(&x->e_mbd);
    ENCODEMB_INVOKE(IF_RTCD(&cpi->rtcd.encodemb), submbuv)(x->src_diff,
        x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);
John Koleszar's avatar
John Koleszar committed
803

804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821
    vp8_transform_mbuv(x);
    vp8_quantize_mbuv(x);

    *rate       = rd_cost_mbuv(x);
    *distortion = ENCODEMB_INVOKE(&cpi->rtcd.encodemb, mbuverr)(x) / 4;

    return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
}

static int rd_inter4x4_uv(VP8_COMP *cpi, MACROBLOCK *x, int *rate,
                          int *distortion, int fullpixel)
{
    vp8_build_inter4x4_predictors_mbuv(&x->e_mbd);
    ENCODEMB_INVOKE(IF_RTCD(&cpi->rtcd.encodemb), submbuv)(x->src_diff,
        x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor, x->src.uv_stride);

    vp8_transform_mbuv(x);
    vp8_quantize_mbuv(x);
John Koleszar's avatar
John Koleszar committed
822 823 824 825

    *rate       = rd_cost_mbuv(x);
    *distortion = ENCODEMB_INVOKE(&cpi->rtcd.encodemb, mbuverr)(x) / 4;

826
    return RDCOST(x->rdmult, x->rddiv, *rate, *distortion);
John Koleszar's avatar
John Koleszar committed
827 828
}

829
static void rd_pick_intra_mbuv_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate, int *rate_tokenonly, int *distortion)
John Koleszar's avatar
John Koleszar committed
830 831 832 833 834 835 836 837 838 839 840 841 842
{
    MB_PREDICTION_MODE mode;
    MB_PREDICTION_MODE UNINITIALIZED_IS_SAFE(mode_selected);
    int best_rd = INT_MAX;
    int UNINITIALIZED_IS_SAFE(d), UNINITIALIZED_IS_SAFE(r);
    int rate_to;

    for (mode = DC_PRED; mode <= TM_PRED; mode++)
    {
        int rate;
        int distortion;
        int this_rd;

843
        x->e_mbd.mode_info_context->mbmi.uv_mode = mode;
844 845
        RECON_INVOKE(&cpi->rtcd.common->recon, build_intra_predictors_mbuv)
                     (&x->e_mbd);
846 847 848 849 850
        ENCODEMB_INVOKE(IF_RTCD(&cpi->rtcd.encodemb), submbuv)(x->src_diff,
                      x->src.u_buffer, x->src.v_buffer, x->e_mbd.predictor,
                      x->src.uv_stride);
        vp8_transform_mbuv(x);
        vp8_quantize_mbuv(x);
John Koleszar's avatar
John Koleszar committed
851 852

        rate_to = rd_cost_mbuv(x);
853
        rate = rate_to + x->intra_uv_mode_cost[x->e_mbd.frame_type][x->e_mbd.mode_info_context->mbmi.uv_mode];
John Koleszar's avatar
John Koleszar committed
854

855
        distortion = ENCODEMB_INVOKE(&cpi->rtcd.encodemb, mbuverr)(x) / 4;
John Koleszar's avatar
John Koleszar committed
856

857
        this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
John Koleszar's avatar
John Koleszar committed
858 859 860 861 862 863 864 865 866 867 868 869 870 871

        if (this_rd < best_rd)
        {
            best_rd = this_rd;
            d = distortion;
            r = rate;
            *rate_tokenonly = rate_to;
            mode_selected = mode;
        }
    }

    *rate = r;
    *distortion = d;

872
    x->e_mbd.mode_info_context->mbmi.uv_mode = mode_selected;
John Koleszar's avatar
John Koleszar committed
873 874 875 876 877 878 879
}

int vp8_cost_mv_ref(MB_PREDICTION_MODE m, const int near_mv_ref_ct[4])
{
    vp8_prob p [VP8_MVREFS-1];
    assert(NEARESTMV <= m  &&  m <= SPLITMV);
    vp8_mv_ref_probs(p, near_mv_ref_ct);
880 881
    return vp8_cost_token(vp8_mv_ref_tree, p,
                          vp8_mv_ref_encoding_array - NEARESTMV + m);
John Koleszar's avatar
John Koleszar committed
882 883
}

Scott LaVarnway's avatar
Scott LaVarnway committed
884
void vp8_set_mbmode_and_mvs(MACROBLOCK *x, MB_PREDICTION_MODE mb, int_mv *mv)
John Koleszar's avatar
John Koleszar committed
885
{
886
    x->e_mbd.mode_info_context->mbmi.mode = mb;
Scott LaVarnway's avatar
Scott LaVarnway committed
887
    x->e_mbd.mode_info_context->mbmi.mv.as_int = mv->as_int;
John Koleszar's avatar
John Koleszar committed
888 889 890 891 892 893
}

static int labels2mode(
    MACROBLOCK *x,
    int const *labelings, int which_label,
    B_PREDICTION_MODE this_mode,
Scott LaVarnway's avatar
Scott LaVarnway committed
894
    int_mv *this_mv, int_mv *best_ref_mv,
John Koleszar's avatar
John Koleszar committed
895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934
    int *mvcost[2]
)
{
    MACROBLOCKD *const xd = & x->e_mbd;
    MODE_INFO *const mic = xd->mode_info_context;
    const int mis = xd->mode_info_stride;

    int cost = 0;
    int thismvcost = 0;

    /* We have to be careful retrieving previously-encoded motion vectors.
       Ones from this macroblock have to be pulled from the BLOCKD array
       as they have not yet made it to the bmi array in our MB_MODE_INFO. */

    int i = 0;

    do
    {
        BLOCKD *const d = xd->block + i;
        const int row = i >> 2,  col = i & 3;

        B_PREDICTION_MODE m;

        if (labelings[i] != which_label)
            continue;

        if (col  &&  labelings[i] == labelings[i-1])
            m = LEFT4X4;
        else if (row  &&  labelings[i] == labelings[i-4])
            m = ABOVE4X4;
        else
        {
            // the only time we should do costing for new motion vector or mode
            // is when we are on a new label  (jbb May 08, 2007)
            switch (m = this_mode)
            {
            case NEW4X4 :
                thismvcost  = vp8_mv_bit_cost(this_mv, best_ref_mv, mvcost, 102);
                break;
            case LEFT4X4:
Scott LaVarnway's avatar
Scott LaVarnway committed
935
                this_mv->as_int = col ? d[-1].bmi.mv.as_int : left_block_mv(mic, i);
John Koleszar's avatar
John Koleszar committed
936 937
                break;
            case ABOVE4X4:
Scott LaVarnway's avatar
Scott LaVarnway committed
938
                this_mv->as_int = row ? d[-4].bmi.mv.as_int : above_block_mv(mic, i, mis);
John Koleszar's avatar
John Koleszar committed
939 940
                break;
            case ZERO4X4:
Scott LaVarnway's avatar
Scott LaVarnway committed
941
                this_mv->as_int = 0;
John Koleszar's avatar
John Koleszar committed
942 943 944 945 946 947 948
                break;
            default:
                break;
            }

            if (m == ABOVE4X4)  // replace above with left if same
            {
Scott LaVarnway's avatar
Scott LaVarnway committed
949
                int_mv left_mv;
Scott LaVarnway's avatar
Scott LaVarnway committed
950

Scott LaVarnway's avatar
Scott LaVarnway committed
951
                left_mv.as_int = col ? d[-1].bmi.mv.as_int :
Scott LaVarnway's avatar
Scott LaVarnway committed
952
                                        left_block_mv(mic, i);
John Koleszar's avatar
John Koleszar committed
953

Scott LaVarnway's avatar
Scott LaVarnway committed
954
                if (left_mv.as_int == this_mv->as_int)
John Koleszar's avatar
John Koleszar committed
955 956 957 958 959 960
                    m = LEFT4X4;
            }

            cost = x->inter_bmode_costs[ m];
        }

Scott LaVarnway's avatar
Scott LaVarnway committed
961
        d->bmi.mv.as_int = this_mv->as_int;
John Koleszar's avatar
John Koleszar committed
962

963 964 965
        x->partition_info->bmi[i].mode = m;
        x->partition_info->bmi[i].mv.as_int = this_mv->as_int;

John Koleszar's avatar
John Koleszar committed
966 967 968 969 970 971 972
    }
    while (++i < 16);

    cost += thismvcost ;
    return cost;
}

973 974 975
static int rdcost_mbsegment_y(MACROBLOCK *mb, const int *labels,
                              int which_label, ENTROPY_CONTEXT *ta,
                              ENTROPY_CONTEXT *tl)
John Koleszar's avatar
John Koleszar committed
976 977 978 979 980 981 982
{
    int cost = 0;
    int b;
    MACROBLOCKD *x = &mb->e_mbd;

    for (b = 0; b < 16; b++)
        if (labels[ b] == which_label)
Scott LaVarnway's avatar
Scott LaVarnway committed
983
            cost += cost_coeffs(mb, x->block + b, PLANE_TYPE_Y_WITH_DC,
984 985
                                ta + vp8_block2above[b],
                                tl + vp8_block2left[b]);
John Koleszar's avatar
John Koleszar committed
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004

    return cost;

}
static unsigned int vp8_encode_inter_mb_segment(MACROBLOCK *x, int const *labels, int which_label, const vp8_encodemb_rtcd_vtable_t *rtcd)
{
    int i;
    unsigned int distortion = 0;

    for (i = 0; i < 16; i++)
    {
        if (labels[i] == which_label)
        {
            BLOCKD *bd = &x->e_mbd.block[i];
            BLOCK *be = &x->block[i];


            vp8_build_inter_predictors_b(bd, 16, x->e_mbd.subpixel_predict);
            ENCODEMB_INVOKE(rtcd, subb)(be, bd, 16);
Yaowu Xu's avatar
Yaowu Xu committed
1005
            x->vp8_short_fdct4x4(be->src_diff, be->coeff, 32);
John Koleszar's avatar
John Koleszar committed
1006 1007 1008

            // set to 0 no way to account for 2nd order DC so discount
            //be->coeff[0] = 0;
1009
            x->quantize_b(be, bd);
John Koleszar's avatar
John Koleszar committed
1010 1011 1012 1013 1014 1015 1016 1017

            distortion += ENCODEMB_INVOKE(rtcd, berr)(be->coeff, bd->dqcoeff);
        }
    }

    return distortion;
}

1018 1019 1020 1021 1022

static const unsigned int segmentation_to_sseshift[4] = {3, 3, 2, 0};


typedef struct
John Koleszar's avatar
John Koleszar committed
1023
{
Scott LaVarnway's avatar
Scott LaVarnway committed
1024 1025
  int_mv *ref_mv;
  int_mv mvp;
1026 1027 1028 1029 1030 1031 1032

  int segment_rd;
  int segment_num;
  int r;
  int d;
  int segment_yrate;
  B_PREDICTION_MODE modes[16];
1033
  int_mv mvs[16];
1034 1035 1036 1037 1038
  unsigned char eobs[16];

  int mvthresh;
  int *mdcounts;

Scott LaVarnway's avatar
Scott LaVarnway committed
1039
  int_mv sv_mvp[4];     // save 4 mvp from 8x8
1040 1041
  int sv_istep[2];  // save 2 initial step_param for 16x8/8x16

1042 1043 1044
} BEST_SEG_INFO;


1045 1046
static void rd_check_segment(VP8_COMP *cpi, MACROBLOCK *x,
                             BEST_SEG_INFO *bsi, unsigned int segmentation)
1047 1048
{
    int i;
John Koleszar's avatar
John Koleszar committed
1049 1050 1051
    int const *labels;
    int br = 0;
    int bd = 0;
1052
    B_PREDICTION_MODE this_mode;
John Koleszar's avatar
John Koleszar committed
1053

1054

1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070
    int label_count;
    int this_segment_rd = 0;
    int label_mv_thresh;
    int rate = 0;
    int sbr = 0;
    int sbd = 0;
    int segmentyrate = 0;

    vp8_variance_fn_ptr_t *v_fn_ptr;

    ENTROPY_CONTEXT_PLANES t_above, t_left;
    ENTROPY_CONTEXT *ta;
    ENTROPY_CONTEXT *tl;
    ENTROPY_CONTEXT_PLANES t_above_b, t_left_b;
    ENTROPY_CONTEXT *ta_b;
    ENTROPY_CONTEXT *tl_b;
John Koleszar's avatar
John Koleszar committed
1071

1072 1073
    vpx_memcpy(&t_above, x->e_mbd.above_context, sizeof(ENTROPY_CONTEXT_PLANES));
    vpx_memcpy(&t_left, x->e_mbd.left_context, sizeof(ENTROPY_CONTEXT_PLANES));
John Koleszar's avatar
John Koleszar committed
1074

1075 1076 1077 1078 1079 1080 1081
    ta = (ENTROPY_CONTEXT *)&t_above;
    tl = (ENTROPY_CONTEXT *)&t_left;
    ta_b = (ENTROPY_CONTEXT *)&t_above_b;
    tl_b = (ENTROPY_CONTEXT *)&t_left_b;

    br = 0;
    bd = 0;
1082

1083 1084 1085
    v_fn_ptr = &cpi->fn_ptr[segmentation];
    labels = vp8_mbsplits[segmentation];
    label_count = vp8_mbsplit_count[segmentation];
1086

1087 1088 1089 1090 1091 1092 1093 1094 1095
    // 64 makes this threshold really big effectively
    // making it so that we very rarely check mvs on
    // segments.   setting this to 1 would make mv thresh
    // roughly equal to what it is for macroblocks
    label_mv_thresh = 1 * bsi->mvthresh / label_count ;

    // Segmentation method overheads
    rate = vp8_cost_token(vp8_mbsplit_tree, vp8_mbsplit_probs, vp8_mbsplit_encodings + segmentation);
    rate += vp8_cost_mv_ref(SPLITMV, bsi->mdcounts);
1096
    this_segment_rd += RDCOST(x->rdmult, x->rddiv, rate, 0);
1097 1098 1099
    br += rate;

    for (i = 0; i < label_count; i++)
John Koleszar's avatar
John Koleszar committed
1100
    {
Scott LaVarnway's avatar
Scott LaVarnway committed
1101
        int_mv mode_mv[B_MODE_COUNT];
1102 1103 1104
        int best_label_rd = INT_MAX;
        B_PREDICTION_MODE mode_selected = ZERO4X4;
        int bestlabelyrate = 0;
John Koleszar's avatar
John Koleszar committed
1105

1106 1107 1108 1109 1110 1111 1112 1113 1114
        // search for the best motion vector on this segment
        for (this_mode = LEFT4X4; this_mode <= NEW4X4 ; this_mode ++)
        {
            int this_rd;
            int distortion;
            int labelyrate;
            ENTROPY_CONTEXT_PLANES t_above_s, t_left_s;
            ENTROPY_CONTEXT *ta_s;
            ENTROPY_CONTEXT *tl_s;
John Koleszar's avatar
John Koleszar committed
1115

1116 1117
            vpx_memcpy(&t_above_s, &t_above, sizeof(ENTROPY_CONTEXT_PLANES));
            vpx_memcpy(&t_left_s, &t_left, sizeof(ENTROPY_CONTEXT_PLANES));
John Koleszar's avatar
John Koleszar committed
1118

1119 1120
            ta_s = (ENTROPY_CONTEXT *)&t_above_s;
            tl_s = (ENTROPY_CONTEXT *)&t_left_s;
John Koleszar's avatar
John Koleszar committed
1121

1122
            if (this_mode == NEW4X4)
John Koleszar's avatar
John Koleszar committed
1123
            {
1124
                int sseshift;
John Koleszar's avatar
John Koleszar committed
1125
                int num00;
1126
                int step_param = 0;
1127
                int further_steps;
1128 1129 1130
                int n;
                int thissme;
                int bestsme = INT_MAX;
Scott LaVarnway's avatar
Scott LaVarnway committed
1131
                int_mv  temp_mv;
1132 1133
                BLOCK *c;
                BLOCKD *e;
1134

1135 1136 1137
                // Is the best so far sufficiently good that we cant justify doing and new motion search.
                if (best_label_rd < label_mv_thresh)
                    break;
John Koleszar's avatar
John Koleszar committed
1138

1139 1140 1141 1142
                if(cpi->compressor_speed)
                {
                    if (segmentation == BLOCK_8X16 || segmentation == BLOCK_16X8)
                    {
Scott LaVarnway's avatar
Scott LaVarnway committed
1143 1144 1145
                        bsi->mvp.as_int = bsi->sv_mvp[i].as_int;
                        if (i==1 && segmentation == BLOCK_16X8)
                          bsi->mvp.as_int = bsi->sv_mvp[2].as_int;
1146 1147 1148 1149 1150 1151 1152

                        step_param = bsi->sv_istep[i];
                    }

                    // use previous block's result as next block's MV predictor.
                    if (segmentation == BLOCK_4X4 && i>0)
                    {
Scott LaVarnway's avatar
Scott LaVarnway committed
1153 1154 1155
                        bsi->mvp.as_int = x->e_mbd.block[i-1].bmi.mv.as_int;
                        if (i==4 || i==8 || i==12)
                            bsi->mvp.as_int = x->e_mbd.block[i-4].bmi.mv.as_int;
1156 1157 1158 1159 1160 1161
                        step_param = 2;
                    }
                }

                further_steps = (MAX_MVSEARCH_STEPS - 1) - step_param;

John Koleszar's avatar
John Koleszar committed
1162
                {
1163
                    int sadpb = x->sadperbit4;
1164 1165 1166 1167
                    int_mv mvp_full;

                    mvp_full.as_mv.row = bsi->mvp.as_mv.row >>3;
                    mvp_full.as_mv.col = bsi->mvp.as_mv.col >>3;
John Koleszar's avatar
John Koleszar committed
1168

1169
                    // find first label
1170
                    n = vp8_mbsplit_offset[segmentation][i];
John Koleszar's avatar
John Koleszar committed
1171

1172 1173
                    c = &x->block[n];
                    e = &x->e_mbd.block[n];
John Koleszar's avatar
John Koleszar committed
1174

1175
                    {
1176
                        bestsme = cpi->diamond_search_sad(x, c, e, &mvp_full,
1177 1178 1179
                                                &mode_mv[NEW4X4], step_param,
                                                sadpb, &num00, v_fn_ptr,
                                                x->mvcost, bsi->ref_mv);
John Koleszar's avatar
John Koleszar committed
1180

1181 1182
                        n = num00;
                        num00 = 0;
John Koleszar's avatar
John Koleszar committed
1183

1184
                        while (n < further_steps)
John Koleszar's avatar
John Koleszar committed
1185
                        {
1186
                            n++;
John Koleszar's avatar
John Koleszar committed
1187

1188 1189
                            if (num00)
                                num00--;
John Koleszar's avatar
John Koleszar committed
1190 1191
                            else
                            {
1192
                                thissme = cpi->diamond_search_sad(x, c, e,
1193
                                                    &mvp_full, &temp_mv,
1194 1195 1196
                                                    step_param + n, sadpb,
                                                    &num00, v_fn_ptr,
                                                    x->mvcost, bsi->ref_mv);
1197 1198 1199 1200

                                if (thissme < bestsme)
                                {
                                    bestsme = thissme;
Scott LaVarnway's avatar
Scott LaVarnway committed
1201
                                    mode_mv[NEW4X4].as_int = temp_mv.as_int;
1202
                                }
John Koleszar's avatar
John Koleszar committed
1203 1204 1205 1206
                            }
                        }
                    }

1207 1208 1209 1210
                    sseshift = segmentation_to_sseshift[segmentation];

                    // Should we do a full search (best quality only)
                    if ((cpi->compressor_speed == 0) && (bestsme >> sseshift) > 4000)
John Koleszar's avatar
John Koleszar committed
1211
                    {
1212 1213 1214
                        /* Check if mvp_full is within the range. */
                        vp8_clamp_mv(&mvp_full, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max);

1215
                        thissme = cpi->full_search_sad(x, c, e, &mvp_full,
1216 1217
                                                       sadpb, 16, v_fn_ptr,
                                                       x->mvcost, bsi->ref_mv);