postproc.c 23.1 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
 */


#include "vpx_ports/config.h"
#include "vpx_scale/yv12config.h"
#include "postproc.h"
#include "vpx_scale/yv12extend.h"
#include "vpx_scale/vpxscale.h"
#include "systemdependent.h"

#include <math.h>
#include <stdlib.h>
#include <stdio.h>
22 23 24 25 26 27

#define RGB_TO_YUV(t)                                                                       \
    ( (0.257*(float)(t>>16)) + (0.504*(float)(t>>8&0xff)) + (0.098*(float)(t&0xff)) + 16),  \
    (-(0.148*(float)(t>>16)) - (0.291*(float)(t>>8&0xff)) + (0.439*(float)(t&0xff)) + 128), \
    ( (0.439*(float)(t>>16)) - (0.368*(float)(t>>8&0xff)) - (0.071*(float)(t&0xff)) + 128)

John Koleszar's avatar
John Koleszar committed
28 29
// global constants

30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
static const unsigned char MB_PREDICTION_MODE_colors[MB_MODE_COUNT][3] =
{
    { RGB_TO_YUV(0x98FB98) },   // PaleGreen
    { RGB_TO_YUV(0x00FF00) },   // Green
    { RGB_TO_YUV(0xADFF2F) },   // GreenYellow
    { RGB_TO_YUV(0x228B22) },   // ForestGreen
    { RGB_TO_YUV(0x006400) },   // DarkGreen
    { RGB_TO_YUV(0x98F5FF) },   // Cadet Blue
    { RGB_TO_YUV(0x6CA6CD) },   // Sky Blue
    { RGB_TO_YUV(0x00008B) },   // Dark blue
    { RGB_TO_YUV(0x551A8B) },   // Purple
    { RGB_TO_YUV(0xFF0000) }    // Red
};

static const unsigned char MV_REFERENCE_FRAME_colors[MB_MODE_COUNT][3] =
{
    { RGB_TO_YUV(0x00ff00) },   // Blue
    { RGB_TO_YUV(0x0000ff) },   // Green
    { RGB_TO_YUV(0xffff00) },   // Yellow
    { RGB_TO_YUV(0xff0000) },   // Red
};

John Koleszar's avatar
John Koleszar committed
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
static const short kernel5[] =
{
    1, 1, 4, 1, 1
};

const short vp8_rv[] =
{
    8, 5, 2, 2, 8, 12, 4, 9, 8, 3,
    0, 3, 9, 0, 0, 0, 8, 3, 14, 4,
    10, 1, 11, 14, 1, 14, 9, 6, 12, 11,
    8, 6, 10, 0, 0, 8, 9, 0, 3, 14,
    8, 11, 13, 4, 2, 9, 0, 3, 9, 6,
    1, 2, 3, 14, 13, 1, 8, 2, 9, 7,
    3, 3, 1, 13, 13, 6, 6, 5, 2, 7,
    11, 9, 11, 8, 7, 3, 2, 0, 13, 13,
    14, 4, 12, 5, 12, 10, 8, 10, 13, 10,
    4, 14, 4, 10, 0, 8, 11, 1, 13, 7,
    7, 14, 6, 14, 13, 2, 13, 5, 4, 4,
    0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
    8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
    3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
    3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
    13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
    5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
    9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
    4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
    3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
    11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
    5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
    0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
    10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
    4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
    0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
    8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
    3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
    3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
    13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
    5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
    9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
    4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
    3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
    11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
    5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
    0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
    10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
    4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
    3, 8, 3, 7, 8, 5, 11, 4, 12, 3,
    11, 9, 14, 8, 14, 13, 4, 3, 1, 2,
    14, 6, 5, 4, 4, 11, 4, 6, 2, 1,
    5, 8, 8, 12, 13, 5, 14, 10, 12, 13,
    0, 9, 5, 5, 11, 10, 13, 9, 10, 13,
};


extern void vp8_blit_text(const char *msg, unsigned char *address, const int pitch);
107
extern void vp8_blit_line(int x0, int x1, int y0, int y1, unsigned char *image, const int pitch);
John Koleszar's avatar
John Koleszar committed
108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
/***********************************************************************************************************
 */
void vp8_post_proc_down_and_across_c
(
    unsigned char *src_ptr,
    unsigned char *dst_ptr,
    int src_pixels_per_line,
    int dst_pixels_per_line,
    int rows,
    int cols,
    int flimit
)
{
    unsigned char *p_src, *p_dst;
    int row;
    int col;
    int i;
    int v;
    int pitch = src_pixels_per_line;
    unsigned char d[8];
    (void)dst_pixels_per_line;

    for (row = 0; row < rows; row++)
    {
        // post_proc_down for one row
        p_src = src_ptr;
        p_dst = dst_ptr;

        for (col = 0; col < cols; col++)
        {

            int kernel = 4;
            int v = p_src[col];

            for (i = -2; i <= 2; i++)
            {
                if (abs(v - p_src[col+i*pitch]) > flimit)
                    goto down_skip_convolve;

                kernel += kernel5[2+i] * p_src[col+i*pitch];
            }

            v = (kernel >> 3);
        down_skip_convolve:
            p_dst[col] = v;
        }

        // now post_proc_across
        p_src = dst_ptr;
        p_dst = dst_ptr;

        for (i = 0; i < 8; i++)
            d[i] = p_src[i];

        for (col = 0; col < cols; col++)
        {
            int kernel = 4;
            v = p_src[col];

            d[col&7] = v;

            for (i = -2; i <= 2; i++)
            {
                if (abs(v - p_src[col+i]) > flimit)
                    goto across_skip_convolve;

                kernel += kernel5[2+i] * p_src[col+i];
            }

            d[col&7] = (kernel >> 3);
        across_skip_convolve:

            if (col >= 2)
                p_dst[col-2] = d[(col-2)&7];
        }

        //handle the last two pixels
        p_dst[col-2] = d[(col-2)&7];
        p_dst[col-1] = d[(col-1)&7];


        //next row
        src_ptr += pitch;
        dst_ptr += pitch;
    }
}

int vp8_q2mbl(int x)
{
    if (x < 20) x = 20;

    x = 50 + (x - 50) * 10 / 8;
    return x * x / 3;
}
void vp8_mbpost_proc_across_ip_c(unsigned char *src, int pitch, int rows, int cols, int flimit)
{
    int r, c, i;

    unsigned char *s = src;
    unsigned char d[16];


    for (r = 0; r < rows; r++)
    {
        int sumsq = 0;
        int sum   = 0;

        for (i = -8; i <= 6; i++)
        {
            sumsq += s[i] * s[i];
            sum   += s[i];
            d[i+8] = 0;
        }

        for (c = 0; c < cols + 8; c++)
        {
            int x = s[c+7] - s[c-8];
            int y = s[c+7] + s[c-8];

            sum  += x;
            sumsq += x * y;

            d[c&15] = s[c];

            if (sumsq * 15 - sum * sum < flimit)
            {
                d[c&15] = (8 + sum + s[c]) >> 4;
            }

            s[c-8] = d[(c-8)&15];
        }

        s += pitch;
    }
}





void vp8_mbpost_proc_down_c(unsigned char *dst, int pitch, int rows, int cols, int flimit)
{
    int r, c, i;
    const short *rv3 = &vp8_rv[63&rand()];

    for (c = 0; c < cols; c++)
    {
        unsigned char *s = &dst[c];
        int sumsq = 0;
        int sum   = 0;
        unsigned char d[16];
        const short *rv2 = rv3 + ((c * 17) & 127);

        for (i = -8; i <= 6; i++)
        {
            sumsq += s[i*pitch] * s[i*pitch];
            sum   += s[i*pitch];
        }

        for (r = 0; r < rows + 8; r++)
        {
            sumsq += s[7*pitch] * s[ 7*pitch] - s[-8*pitch] * s[-8*pitch];
            sum  += s[7*pitch] - s[-8*pitch];
            d[r&15] = s[0];

            if (sumsq * 15 - sum * sum < flimit)
            {
                d[r&15] = (rv2[r&127] + sum + s[0]) >> 4;
            }

            s[-8*pitch] = d[(r-8)&15];
            s += pitch;
        }
    }
}


static void vp8_deblock_and_de_macro_block(YV12_BUFFER_CONFIG         *source,
        YV12_BUFFER_CONFIG         *post,
        int                         q,
        int                         low_var_thresh,
        int                         flag,
        vp8_postproc_rtcd_vtable_t *rtcd)
{
    double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
    int ppl = (int)(level + .5);
    (void) low_var_thresh;
    (void) flag;

    POSTPROC_INVOKE(rtcd, downacross)(source->y_buffer, post->y_buffer, source->y_stride,  post->y_stride, source->y_height, source->y_width,  ppl);
    POSTPROC_INVOKE(rtcd, across)(post->y_buffer, post->y_stride, post->y_height, post->y_width, vp8_q2mbl(q));
    POSTPROC_INVOKE(rtcd, down)(post->y_buffer, post->y_stride, post->y_height, post->y_width, vp8_q2mbl(q));

    POSTPROC_INVOKE(rtcd, downacross)(source->u_buffer, post->u_buffer, source->uv_stride, post->uv_stride, source->uv_height, source->uv_width, ppl);
    POSTPROC_INVOKE(rtcd, downacross)(source->v_buffer, post->v_buffer, source->uv_stride, post->uv_stride, source->uv_height, source->uv_width, ppl);

}

Luca Barbato's avatar
Luca Barbato committed
306
void vp8_deblock(YV12_BUFFER_CONFIG         *source,
John Koleszar's avatar
John Koleszar committed
307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474
                        YV12_BUFFER_CONFIG         *post,
                        int                         q,
                        int                         low_var_thresh,
                        int                         flag,
                        vp8_postproc_rtcd_vtable_t *rtcd)
{
    double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
    int ppl = (int)(level + .5);
    (void) low_var_thresh;
    (void) flag;

    POSTPROC_INVOKE(rtcd, downacross)(source->y_buffer, post->y_buffer, source->y_stride,  post->y_stride, source->y_height, source->y_width,   ppl);
    POSTPROC_INVOKE(rtcd, downacross)(source->u_buffer, post->u_buffer, source->uv_stride, post->uv_stride,  source->uv_height, source->uv_width, ppl);
    POSTPROC_INVOKE(rtcd, downacross)(source->v_buffer, post->v_buffer, source->uv_stride, post->uv_stride, source->uv_height, source->uv_width, ppl);
}

void vp8_de_noise(YV12_BUFFER_CONFIG         *source,
                  YV12_BUFFER_CONFIG         *post,
                  int                         q,
                  int                         low_var_thresh,
                  int                         flag,
                  vp8_postproc_rtcd_vtable_t *rtcd)
{
    double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
    int ppl = (int)(level + .5);
    (void) post;
    (void) low_var_thresh;
    (void) flag;

    POSTPROC_INVOKE(rtcd, downacross)(
        source->y_buffer + 2 * source->y_stride + 2,
        source->y_buffer + 2 * source->y_stride + 2,
        source->y_stride,
        source->y_stride,
        source->y_height - 4,
        source->y_width - 4,
        ppl);
    POSTPROC_INVOKE(rtcd, downacross)(
        source->u_buffer + 2 * source->uv_stride + 2,
        source->u_buffer + 2 * source->uv_stride + 2,
        source->uv_stride,
        source->uv_stride,
        source->uv_height - 4,
        source->uv_width - 4, ppl);
    POSTPROC_INVOKE(rtcd, downacross)(
        source->v_buffer + 2 * source->uv_stride + 2,
        source->v_buffer + 2 * source->uv_stride + 2,
        source->uv_stride,
        source->uv_stride,
        source->uv_height - 4,
        source->uv_width - 4, ppl);

}

double vp8_gaussian(double sigma, double mu, double x)
{
    return 1 / (sigma * sqrt(2.0 * 3.14159265)) *
           (exp(-(x - mu) * (x - mu) / (2 * sigma * sigma)));
}

extern void (*vp8_clear_system_state)(void);


static void fillrd(struct postproc_state *state, int q, int a)
{
    char char_dist[300];

    double sigma;
    int ai = a, qi = q, i;

    vp8_clear_system_state();


    sigma = ai + .5 + .6 * (63 - qi) / 63.0;

    // set up a lookup table of 256 entries that matches
    // a gaussian distribution with sigma determined by q.
    //
    {
        double i;
        int next, j;

        next = 0;

        for (i = -32; i < 32; i++)
        {
            int a = (int)(.5 + 256 * vp8_gaussian(sigma, 0, i));

            if (a)
            {
                for (j = 0; j < a; j++)
                {
                    char_dist[next+j] = (char) i;
                }

                next = next + j;
            }

        }

        for (next = next; next < 256; next++)
            char_dist[next] = 0;

    }

    for (i = 0; i < 3072; i++)
    {
        state->noise[i] = char_dist[rand() & 0xff];
    }

    for (i = 0; i < 16; i++)
    {
        state->blackclamp[i] = -char_dist[0];
        state->whiteclamp[i] = -char_dist[0];
        state->bothclamp[i] = -2 * char_dist[0];
    }

    state->last_q = q;
    state->last_noise = a;
}

/****************************************************************************
 *
 *  ROUTINE       : plane_add_noise_c
 *
 *  INPUTS        : unsigned char *Start    starting address of buffer to add gaussian
 *                                  noise to
 *                  unsigned int Width    width of plane
 *                  unsigned int Height   height of plane
 *                  int  Pitch    distance between subsequent lines of frame
 *                  int  q        quantizer used to determine amount of noise
 *                                  to add
 *
 *  OUTPUTS       : None.
 *
 *  RETURNS       : void.
 *
 *  FUNCTION      : adds gaussian noise to a plane of pixels
 *
 *  SPECIAL NOTES : None.
 *
 ****************************************************************************/
void vp8_plane_add_noise_c(unsigned char *Start, char *noise,
                           char blackclamp[16],
                           char whiteclamp[16],
                           char bothclamp[16],
                           unsigned int Width, unsigned int Height, int Pitch)
{
    unsigned int i, j;

    for (i = 0; i < Height; i++)
    {
        unsigned char *Pos = Start + i * Pitch;
        char  *Ref = (char *)(noise + (rand() & 0xff));

        for (j = 0; j < Width; j++)
        {
            if (Pos[j] < blackclamp[0])
                Pos[j] = blackclamp[0];

            if (Pos[j] > 255 + whiteclamp[0])
                Pos[j] = 255 + whiteclamp[0];

            Pos[j] += Ref[j];
        }
    }
}

475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502
void vp8_blend_block_c (unsigned char *y, unsigned char *u, unsigned char *v,
                        int y1, int u1, int v1, int alpha, int stride)
{
    int i, j;
    int y1_const = y1*((1<<16)-alpha);
    int u1_const = u1*((1<<16)-alpha);
    int v1_const = v1*((1<<16)-alpha);

    for (i = 0; i < 16; i++)
    {
        for (j = 0; j < 16; j++)
        {
            y[j] = (y[j]*alpha + y1_const)>>16;
        }
        y += stride;
    }

    for (i = 0; i < 8; i++)
    {
        for (j = 0; j < 8; j++)
        {
            u[j] = (u[j]*alpha + u1_const)>>16;
            v[j] = (v[j]*alpha + v1_const)>>16;
        }
        u += stride/2;
        v += stride/2;
    }
}
John Koleszar's avatar
John Koleszar committed
503

504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
static void constrain_line (int x0, int *x1, int y0, int *y1, int width, int height)
{
    int dx = *x1 - x0;
    int dy = *y1 - y0;

    if (*x1 > width)
    {
        *x1 = width;
        if (dy)
            *y1 = ((width-x0)*dy)/dx + y0;
        dx = *x1 - x0;
        dy = *y1 - y0;
    }
    if (*x1 < 0)
    {
        *x1 = 0;
        if (dy)
            *y1 = ((0-x0)*dy)/dx + y0;
        dx = *x1 - x0;
        dy = *y1 - y0;
    }
    if (*y1 > height)
    {
        *y1 = height;
        if (dx)
            *x1 = ((height-y0)*dx)/dy + x0;
        dx = *x1 - x0;
        dy = *y1 - y0;
    }
    if (*y1 < 0)
    {
        *y1 = 0;
        if (dx)
            *x1 = ((0-y0)*dx)/dy + x0;
        dx = *x1 - x0;
        dy = *y1 - y0;
    }
}

543 544 545 546 547 548 549

#if CONFIG_RUNTIME_CPU_DETECT
#define RTCD_VTABLE(oci) (&(oci)->rtcd.postproc)
#else
#define RTCD_VTABLE(oci) NULL
#endif

John Koleszar's avatar
John Koleszar committed
550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620
int vp8_post_proc_frame(VP8_COMMON *oci, YV12_BUFFER_CONFIG *dest, int deblock_level, int noise_level, int flags)
{
    char message[512];
    int q = oci->filter_level * 10 / 6;

    if (!oci->frame_to_show)
        return -1;

    if (q > 63)
        q = 63;

    if (!flags)
    {
        *dest = *oci->frame_to_show;

        // handle problem with extending borders
        dest->y_width = oci->Width;
        dest->y_height = oci->Height;
        dest->uv_height = dest->y_height / 2;
        return 0;

    }

#if ARCH_X86||ARCH_X86_64
    vpx_reset_mmx_state();
#endif

    if (flags & VP8D_DEMACROBLOCK)
    {
        vp8_deblock_and_de_macro_block(oci->frame_to_show, &oci->post_proc_buffer,
                                       q + (deblock_level - 5) * 10, 1, 0, RTCD_VTABLE(oci));
    }
    else if (flags & VP8D_DEBLOCK)
    {
        vp8_deblock(oci->frame_to_show, &oci->post_proc_buffer,
                    q, 1, 0, RTCD_VTABLE(oci));
    }
    else
    {
        vp8_yv12_copy_frame_ptr(oci->frame_to_show, &oci->post_proc_buffer);
    }

    if (flags & VP8D_ADDNOISE)
    {
        if (oci->postproc_state.last_q != q
            || oci->postproc_state.last_noise != noise_level)
        {
            fillrd(&oci->postproc_state, 63 - q, noise_level);
        }

        POSTPROC_INVOKE(RTCD_VTABLE(oci), addnoise)
        (oci->post_proc_buffer.y_buffer,
         oci->postproc_state.noise,
         oci->postproc_state.blackclamp,
         oci->postproc_state.whiteclamp,
         oci->postproc_state.bothclamp,
         oci->post_proc_buffer.y_width, oci->post_proc_buffer.y_height,
         oci->post_proc_buffer.y_stride);
    }

    if (flags & VP8D_DEBUG_LEVEL1)
    {
        sprintf(message, "F%1dG%1dQ%3dF%3dP%d_s%dx%d",
                (oci->frame_type == KEY_FRAME),
                oci->refresh_golden_frame,
                oci->base_qindex,
                oci->filter_level,
                flags,
                oci->mb_cols, oci->mb_rows);
        vp8_blit_text(message, oci->post_proc_buffer.y_buffer, oci->post_proc_buffer.y_stride);
    }
621 622

    if (flags & VP8D_DEBUG_LEVEL2)
John Koleszar's avatar
John Koleszar committed
623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652
    {
        int i, j;
        unsigned char *y_ptr;
        YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
        int mb_rows = post->y_height >> 4;
        int mb_cols = post->y_width  >> 4;
        int mb_index = 0;
        MODE_INFO *mi = oci->mi;

        y_ptr = post->y_buffer + 4 * post->y_stride + 4;

        // vp8_filter each macro block
        for (i = 0; i < mb_rows; i++)
        {
            for (j = 0; j < mb_cols; j++)
            {
                char zz[4];

                sprintf(zz, "%c", mi[mb_index].mbmi.mode + 'a');

                vp8_blit_text(zz, y_ptr, post->y_stride);
                mb_index ++;
                y_ptr += 16;
            }

            mb_index ++; //border
            y_ptr += post->y_stride  * 16 - post->y_width;

        }
    }
653 654

    if (flags & VP8D_DEBUG_LEVEL3)
John Koleszar's avatar
John Koleszar committed
655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687
    {
        int i, j;
        unsigned char *y_ptr;
        YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
        int mb_rows = post->y_height >> 4;
        int mb_cols = post->y_width  >> 4;
        int mb_index = 0;
        MODE_INFO *mi = oci->mi;

        y_ptr = post->y_buffer + 4 * post->y_stride + 4;

        // vp8_filter each macro block
        for (i = 0; i < mb_rows; i++)
        {
            for (j = 0; j < mb_cols; j++)
            {
                char zz[4];

                if (oci->frame_type == KEY_FRAME)
                    sprintf(zz, "a");
                else
                    sprintf(zz, "%c", mi[mb_index].mbmi.dc_diff + '0');

                vp8_blit_text(zz, y_ptr, post->y_stride);
                mb_index ++;
                y_ptr += 16;
            }

            mb_index ++; //border
            y_ptr += post->y_stride  * 16 - post->y_width;

        }
    }
688 689

    if (flags & VP8D_DEBUG_LEVEL4)
John Koleszar's avatar
John Koleszar committed
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724
    {
        sprintf(message, "Bitrate: %10.2f frame_rate: %10.2f ", oci->bitrate, oci->framerate);
        vp8_blit_text(message, oci->post_proc_buffer.y_buffer, oci->post_proc_buffer.y_stride);
#if 0
        int i, j;
        unsigned char *y_ptr;
        YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
        int mb_rows = post->y_height >> 4;
        int mb_cols = post->y_width  >> 4;
        int mb_index = 0;
        MODE_INFO *mi = oci->mi;

        y_ptr = post->y_buffer + 4 * post->y_stride + 4;

        // vp8_filter each macro block
        for (i = 0; i < mb_rows; i++)
        {
            for (j = 0; j < mb_cols; j++)
            {
                char zz[4];

                sprintf(zz, "%c", mi[mb_index].mbmi.dc_diff + '0');
                vp8_blit_text(zz, y_ptr, post->y_stride);
                mb_index ++;
                y_ptr += 16;
            }

            mb_index ++; //border
            y_ptr += post->y_stride  * 16 - post->y_width;

        }

#endif

    }
725 726 727

    // Draw motion vectors
    if (flags & VP8D_DEBUG_LEVEL5)
728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745
    {
        YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
        int width  = post->y_width;
        int height = post->y_height;
        int mb_cols = width  >> 4;
        unsigned char *y_buffer = oci->post_proc_buffer.y_buffer;
        int y_stride = oci->post_proc_buffer.y_stride;
        MODE_INFO *mi = oci->mi;
        int x0, y0;

        for (y0 = 8; y0 < (height + 8); y0 += 16)
        {
            for (x0 = 8; x0 < (width + 8); x0 += 16)
            {
               int x1, y1;
               if (mi->mbmi.mode >= NEARESTMV)
                {
                    MV *mv = &mi->mbmi.mv.as_mv;
John Koleszar's avatar
John Koleszar committed
746

747 748
                    x1 = x0 + (mv->col >> 3);
                    y1 = y0 + (mv->row >> 3);
John Koleszar's avatar
John Koleszar committed
749

750 751 752 753 754 755 756 757
                    constrain_line (x0, &x1, y0, &y1, width, height);
                    vp8_blit_line (x0, x1, y0, y1, y_buffer, y_stride);
                }
                mi++;
            }
            mi++;
        }
    }
John Koleszar's avatar
John Koleszar committed
758

759
    // Color in block modes
760
    if (flags & VP8D_DEBUG_LEVEL6)
761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
    {
        int i, j;
        YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
        int width  = post->y_width;
        int height = post->y_height;
        unsigned char *y_ptr = oci->post_proc_buffer.y_buffer;
        unsigned char *u_ptr = oci->post_proc_buffer.u_buffer;
        unsigned char *v_ptr = oci->post_proc_buffer.v_buffer;
        int y_stride = oci->post_proc_buffer.y_stride;
        MODE_INFO *mi = oci->mi;

        for (i = 0; i < height; i += 16)
        {
            for (j = 0; j < width; j += 16)
            {
                int Y = 0, U = 0, V = 0;

                Y = MB_PREDICTION_MODE_colors[mi->mbmi.mode][0];
                U = MB_PREDICTION_MODE_colors[mi->mbmi.mode][1];
                V = MB_PREDICTION_MODE_colors[mi->mbmi.mode][2];

                vp8_blend_block_c (&y_ptr[j], &u_ptr[j>>1], &v_ptr[j>>1], Y, U, V, 0xb000, y_stride);

                mi++;
            }
            y_ptr += y_stride*16;
            u_ptr += y_stride*4;
            v_ptr += y_stride*4;

            mi++;
        }
    }

    // Color in frame reference blocks
795
    if (flags & VP8D_DEBUG_LEVEL7)
796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828
    {
        int i, j;
        YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
        int width  = post->y_width;
        int height = post->y_height;
        unsigned char *y_ptr = oci->post_proc_buffer.y_buffer;
        unsigned char *u_ptr = oci->post_proc_buffer.u_buffer;
        unsigned char *v_ptr = oci->post_proc_buffer.v_buffer;
        int y_stride = oci->post_proc_buffer.y_stride;
        MODE_INFO *mi = oci->mi;

        for (i = 0; i < height; i += 16)
        {
            for (j = 0; j < width; j +=16)
            {
                int Y = 0, U = 0, V = 0;

                Y = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][0];
                U = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][1];
                V = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][2];

                vp8_blend_block_c (&y_ptr[j], &u_ptr[j>>1], &v_ptr[j>>1], Y, U, V, 0xb000, y_stride);

                mi++;
            }
            y_ptr += y_stride*16;
            u_ptr += y_stride*4;
            v_ptr += y_stride*4;

            mi++;
        }
    }

John Koleszar's avatar
John Koleszar committed
829 830 831 832 833 834 835 836
    *dest = oci->post_proc_buffer;

    // handle problem with extending borders
    dest->y_width = oci->Width;
    dest->y_height = oci->Height;
    dest->uv_height = dest->y_height / 2;
    return 0;
}