ref: 1c07abca18d2e7f1868f085288b8ed7d98fdd2ed
dir: /vp8/common/postproc.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "vpx_config.h"
#include "vpx_dsp_rtcd.h"
#include "vp8_rtcd.h"
#include "vpx_dsp/postproc.h"
#include "vpx_scale_rtcd.h"
#include "vpx_scale/yv12config.h"
#include "postproc.h"
#include "common.h"
#include "vpx_scale/vpx_scale.h"
#include "systemdependent.h"
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
/* clang-format off */
#define RGB_TO_YUV(t) \
(unsigned char)((0.257 * (float)(t >> 16)) + \
(0.504 * (float)(t >> 8 & 0xff)) + \
(0.098 * (float)(t & 0xff)) + 16), \
(unsigned char)(-(0.148 * (float)(t >> 16)) - \
(0.291 * (float)(t >> 8 & 0xff)) + \
(0.439 * (float)(t & 0xff)) + 128), \
(unsigned char)((0.439 * (float)(t >> 16)) - \
(0.368 * (float)(t >> 8 & 0xff)) - \
(0.071 * (float)(t & 0xff)) + 128)
/* clang-format on */
/* global constants */
#if CONFIG_POSTPROC_VISUALIZER
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 B_PREDICTION_MODE_colors[B_MODE_COUNT][3] = {
{ RGB_TO_YUV(0x6633ff) }, /* Purple */
{ RGB_TO_YUV(0xcc33ff) }, /* Magenta */
{ RGB_TO_YUV(0xff33cc) }, /* Pink */
{ RGB_TO_YUV(0xff3366) }, /* Coral */
{ RGB_TO_YUV(0x3366ff) }, /* Blue */
{ RGB_TO_YUV(0xed00f5) }, /* Dark Blue */
{ RGB_TO_YUV(0x2e00b8) }, /* Dark Purple */
{ RGB_TO_YUV(0xff6633) }, /* Orange */
{ RGB_TO_YUV(0x33ccff) }, /* Light Blue */
{ RGB_TO_YUV(0x8ab800) }, /* Green */
{ RGB_TO_YUV(0xffcc33) }, /* Light Orange */
{ RGB_TO_YUV(0x33ffcc) }, /* Aqua */
{ RGB_TO_YUV(0x66ff33) }, /* Light Green */
{ RGB_TO_YUV(0xccff33) }, /* Yellow */
};
static const unsigned char MV_REFERENCE_FRAME_colors[MAX_REF_FRAMES][3] = {
{ RGB_TO_YUV(0x00ff00) }, /* Blue */
{ RGB_TO_YUV(0x0000ff) }, /* Green */
{ RGB_TO_YUV(0xffff00) }, /* Yellow */
{ RGB_TO_YUV(0xff0000) }, /* Red */
};
#endif
extern void vp8_blit_text(const char *msg, unsigned char *address,
const int pitch);
extern void vp8_blit_line(int x0, int x1, int y0, int y1, unsigned char *image,
const int pitch);
/***********************************************************************************************************
*/
static int q2mbl(int x) {
if (x < 20) x = 20;
x = 50 + (x - 50) * 10 / 8;
return x * x / 3;
}
#if CONFIG_POSTPROC
static void vp8_de_mblock(YV12_BUFFER_CONFIG *post, int q) {
vpx_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height,
post->y_width, q2mbl(q));
vpx_mbpost_proc_down(post->y_buffer, post->y_stride, post->y_height,
post->y_width, q2mbl(q));
}
void vp8_deblock(VP8_COMMON *cm, YV12_BUFFER_CONFIG *source,
YV12_BUFFER_CONFIG *post, int q, int low_var_thresh,
int flag) {
double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
int ppl = (int)(level + .5);
const MODE_INFO *mode_info_context = cm->show_frame_mi;
int mbr, mbc;
/* The pixel thresholds are adjusted according to if or not the macroblock
* is a skipped block. */
unsigned char *ylimits = cm->pp_limits_buffer;
unsigned char *uvlimits = cm->pp_limits_buffer + 16 * cm->mb_cols;
(void)low_var_thresh;
(void)flag;
if (ppl > 0) {
for (mbr = 0; mbr < cm->mb_rows; ++mbr) {
unsigned char *ylptr = ylimits;
unsigned char *uvlptr = uvlimits;
for (mbc = 0; mbc < cm->mb_cols; ++mbc) {
unsigned char mb_ppl;
if (mode_info_context->mbmi.mb_skip_coeff) {
mb_ppl = (unsigned char)ppl >> 1;
} else {
mb_ppl = (unsigned char)ppl;
}
memset(ylptr, mb_ppl, 16);
memset(uvlptr, mb_ppl, 8);
ylptr += 16;
uvlptr += 8;
mode_info_context++;
}
mode_info_context++;
vpx_post_proc_down_and_across_mb_row(
source->y_buffer + 16 * mbr * source->y_stride,
post->y_buffer + 16 * mbr * post->y_stride, source->y_stride,
post->y_stride, source->y_width, ylimits, 16);
vpx_post_proc_down_and_across_mb_row(
source->u_buffer + 8 * mbr * source->uv_stride,
post->u_buffer + 8 * mbr * post->uv_stride, source->uv_stride,
post->uv_stride, source->uv_width, uvlimits, 8);
vpx_post_proc_down_and_across_mb_row(
source->v_buffer + 8 * mbr * source->uv_stride,
post->v_buffer + 8 * mbr * post->uv_stride, source->uv_stride,
post->uv_stride, source->uv_width, uvlimits, 8);
}
} else {
vp8_yv12_copy_frame(source, post);
}
}
#endif
void vp8_de_noise(VP8_COMMON *cm, YV12_BUFFER_CONFIG *source,
YV12_BUFFER_CONFIG *post, int q, int low_var_thresh, int flag,
int uvfilter) {
int mbr;
double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
int ppl = (int)(level + .5);
int mb_rows = cm->mb_rows;
int mb_cols = cm->mb_cols;
unsigned char *limits = cm->pp_limits_buffer;
(void)post;
(void)low_var_thresh;
(void)flag;
memset(limits, (unsigned char)ppl, 16 * mb_cols);
/* TODO: The original code don't filter the 2 outer rows and columns. */
for (mbr = 0; mbr < mb_rows; ++mbr) {
vpx_post_proc_down_and_across_mb_row(
source->y_buffer + 16 * mbr * source->y_stride,
source->y_buffer + 16 * mbr * source->y_stride, source->y_stride,
source->y_stride, source->y_width, limits, 16);
if (uvfilter == 1) {
vpx_post_proc_down_and_across_mb_row(
source->u_buffer + 8 * mbr * source->uv_stride,
source->u_buffer + 8 * mbr * source->uv_stride, source->uv_stride,
source->uv_stride, source->uv_width, limits, 8);
vpx_post_proc_down_and_across_mb_row(
source->v_buffer + 8 * mbr * source->uv_stride,
source->v_buffer + 8 * mbr * source->uv_stride, source->uv_stride,
source->uv_stride, source->uv_width, limits, 8);
}
}
}
/* Blend the macro block with a solid colored square. Leave the
* edges unblended to give distinction to macro blocks in areas
* filled with the same color block.
*/
void vp8_blend_mb_inner_c(unsigned char *y, unsigned char *u, unsigned char *v,
int y_1, int u_1, int v_1, int alpha, int stride) {
int i, j;
int y1_const = y_1 * ((1 << 16) - alpha);
int u1_const = u_1 * ((1 << 16) - alpha);
int v1_const = v_1 * ((1 << 16) - alpha);
y += 2 * stride + 2;
for (i = 0; i < 12; ++i) {
for (j = 0; j < 12; ++j) {
y[j] = (y[j] * alpha + y1_const) >> 16;
}
y += stride;
}
stride >>= 1;
u += stride + 1;
v += stride + 1;
for (i = 0; i < 6; ++i) {
for (j = 0; j < 6; ++j) {
u[j] = (u[j] * alpha + u1_const) >> 16;
v[j] = (v[j] * alpha + v1_const) >> 16;
}
u += stride;
v += stride;
}
}
/* Blend only the edge of the macro block. Leave center
* unblended to allow for other visualizations to be layered.
*/
void vp8_blend_mb_outer_c(unsigned char *y, unsigned char *u, unsigned char *v,
int y_1, int u_1, int v_1, int alpha, int stride) {
int i, j;
int y1_const = y_1 * ((1 << 16) - alpha);
int u1_const = u_1 * ((1 << 16) - alpha);
int v1_const = v_1 * ((1 << 16) - alpha);
for (i = 0; i < 2; ++i) {
for (j = 0; j < 16; ++j) {
y[j] = (y[j] * alpha + y1_const) >> 16;
}
y += stride;
}
for (i = 0; i < 12; ++i) {
y[0] = (y[0] * alpha + y1_const) >> 16;
y[1] = (y[1] * alpha + y1_const) >> 16;
y[14] = (y[14] * alpha + y1_const) >> 16;
y[15] = (y[15] * alpha + y1_const) >> 16;
y += stride;
}
for (i = 0; i < 2; ++i) {
for (j = 0; j < 16; ++j) {
y[j] = (y[j] * alpha + y1_const) >> 16;
}
y += stride;
}
stride >>= 1;
for (j = 0; j < 8; ++j) {
u[j] = (u[j] * alpha + u1_const) >> 16;
v[j] = (v[j] * alpha + v1_const) >> 16;
}
u += stride;
v += stride;
for (i = 0; i < 6; ++i) {
u[0] = (u[0] * alpha + u1_const) >> 16;
v[0] = (v[0] * alpha + v1_const) >> 16;
u[7] = (u[7] * alpha + u1_const) >> 16;
v[7] = (v[7] * alpha + v1_const) >> 16;
u += stride;
v += stride;
}
for (j = 0; j < 8; ++j) {
u[j] = (u[j] * alpha + u1_const) >> 16;
v[j] = (v[j] * alpha + v1_const) >> 16;
}
}
void vp8_blend_b_c(unsigned char *y, unsigned char *u, unsigned char *v,
int y_1, int u_1, int v_1, int alpha, int stride) {
int i, j;
int y1_const = y_1 * ((1 << 16) - alpha);
int u1_const = u_1 * ((1 << 16) - alpha);
int v1_const = v_1 * ((1 << 16) - alpha);
for (i = 0; i < 4; ++i) {
for (j = 0; j < 4; ++j) {
y[j] = (y[j] * alpha + y1_const) >> 16;
}
y += stride;
}
stride >>= 1;
for (i = 0; i < 2; ++i) {
for (j = 0; j < 2; ++j) {
u[j] = (u[j] * alpha + u1_const) >> 16;
v[j] = (v[j] * alpha + v1_const) >> 16;
}
u += stride;
v += stride;
}
}
#if CONFIG_POSTPROC_VISUALIZER
static void constrain_line(int x_0, int *x_1, int y_0, int *y_1, int width,
int height) {
int dx;
int dy;
if (*x_1 > width) {
dx = *x_1 - x_0;
dy = *y_1 - y_0;
*x_1 = width;
if (dx) *y_1 = ((width - x_0) * dy) / dx + y_0;
}
if (*x_1 < 0) {
dx = *x_1 - x_0;
dy = *y_1 - y_0;
*x_1 = 0;
if (dx) *y_1 = ((0 - x_0) * dy) / dx + y_0;
}
if (*y_1 > height) {
dx = *x_1 - x_0;
dy = *y_1 - y_0;
*y_1 = height;
if (dy) *x_1 = ((height - y_0) * dx) / dy + x_0;
}
if (*y_1 < 0) {
dx = *x_1 - x_0;
dy = *y_1 - y_0;
*y_1 = 0;
if (dy) *x_1 = ((0 - y_0) * dx) / dy + x_0;
}
}
#endif // CONFIG_POSTPROC_VISUALIZER
#if CONFIG_POSTPROC
int vp8_post_proc_frame(VP8_COMMON *oci, YV12_BUFFER_CONFIG *dest,
vp8_ppflags_t *ppflags) {
int q = oci->filter_level * 10 / 6;
int flags = ppflags->post_proc_flag;
int deblock_level = ppflags->deblocking_level;
int noise_level = ppflags->noise_level;
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;
oci->postproc_state.last_base_qindex = oci->base_qindex;
oci->postproc_state.last_frame_valid = 1;
return 0;
}
if (flags & VP8D_ADDNOISE) {
if (!oci->postproc_state.generated_noise) {
oci->postproc_state.generated_noise = vpx_calloc(
oci->Width + 256, sizeof(*oci->postproc_state.generated_noise));
if (!oci->postproc_state.generated_noise) return 1;
}
}
/* Allocate post_proc_buffer_int if needed */
if ((flags & VP8D_MFQE) && !oci->post_proc_buffer_int_used) {
if ((flags & VP8D_DEBLOCK) || (flags & VP8D_DEMACROBLOCK)) {
int width = (oci->Width + 15) & ~15;
int height = (oci->Height + 15) & ~15;
if (vp8_yv12_alloc_frame_buffer(&oci->post_proc_buffer_int, width, height,
VP8BORDERINPIXELS)) {
vpx_internal_error(&oci->error, VPX_CODEC_MEM_ERROR,
"Failed to allocate MFQE framebuffer");
}
oci->post_proc_buffer_int_used = 1;
/* insure that postproc is set to all 0's so that post proc
* doesn't pull random data in from edge
*/
memset((&oci->post_proc_buffer_int)->buffer_alloc, 128,
(&oci->post_proc_buffer)->frame_size);
}
}
vp8_clear_system_state();
if ((flags & VP8D_MFQE) && oci->postproc_state.last_frame_valid &&
oci->current_video_frame >= 2 &&
oci->postproc_state.last_base_qindex < 60 &&
oci->base_qindex - oci->postproc_state.last_base_qindex >= 20) {
vp8_multiframe_quality_enhance(oci);
if (((flags & VP8D_DEBLOCK) || (flags & VP8D_DEMACROBLOCK)) &&
oci->post_proc_buffer_int_used) {
vp8_yv12_copy_frame(&oci->post_proc_buffer, &oci->post_proc_buffer_int);
if (flags & VP8D_DEMACROBLOCK) {
vp8_deblock(oci, &oci->post_proc_buffer_int, &oci->post_proc_buffer,
q + (deblock_level - 5) * 10, 1, 0);
vp8_de_mblock(&oci->post_proc_buffer, q + (deblock_level - 5) * 10);
} else if (flags & VP8D_DEBLOCK) {
vp8_deblock(oci, &oci->post_proc_buffer_int, &oci->post_proc_buffer, q,
1, 0);
}
}
/* Move partially towards the base q of the previous frame */
oci->postproc_state.last_base_qindex =
(3 * oci->postproc_state.last_base_qindex + oci->base_qindex) >> 2;
} else if (flags & VP8D_DEMACROBLOCK) {
vp8_deblock(oci, oci->frame_to_show, &oci->post_proc_buffer,
q + (deblock_level - 5) * 10, 1, 0);
vp8_de_mblock(&oci->post_proc_buffer, q + (deblock_level - 5) * 10);
oci->postproc_state.last_base_qindex = oci->base_qindex;
} else if (flags & VP8D_DEBLOCK) {
vp8_deblock(oci, oci->frame_to_show, &oci->post_proc_buffer, q, 1, 0);
oci->postproc_state.last_base_qindex = oci->base_qindex;
} else {
vp8_yv12_copy_frame(oci->frame_to_show, &oci->post_proc_buffer);
oci->postproc_state.last_base_qindex = oci->base_qindex;
}
oci->postproc_state.last_frame_valid = 1;
if (flags & VP8D_ADDNOISE) {
if (oci->postproc_state.last_q != q ||
oci->postproc_state.last_noise != noise_level) {
double sigma;
struct postproc_state *ppstate = &oci->postproc_state;
vp8_clear_system_state();
sigma = noise_level + .5 + .6 * q / 63.0;
ppstate->clamp =
vpx_setup_noise(sigma, ppstate->generated_noise, oci->Width + 256);
ppstate->last_q = q;
ppstate->last_noise = noise_level;
}
vpx_plane_add_noise(
oci->post_proc_buffer.y_buffer, oci->postproc_state.generated_noise,
oci->postproc_state.clamp, oci->postproc_state.clamp,
oci->post_proc_buffer.y_width, oci->post_proc_buffer.y_height,
oci->post_proc_buffer.y_stride);
}
#if CONFIG_POSTPROC_VISUALIZER
if (flags & VP8D_DEBUG_TXT_FRAME_INFO) {
char message[512];
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);
}
if (flags & VP8D_DEBUG_TXT_MBLK_MODES) {
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;
}
}
if (flags & VP8D_DEBUG_TXT_DC_DIFF) {
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];
int dc_diff = !(mi[mb_index].mbmi.mode != B_PRED &&
mi[mb_index].mbmi.mode != SPLITMV &&
mi[mb_index].mbmi.mb_skip_coeff);
if (oci->frame_type == KEY_FRAME)
sprintf(zz, "a");
else
sprintf(zz, "%c", 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;
}
}
if (flags & VP8D_DEBUG_TXT_RATE_INFO) {
char message[512];
sprintf(message, "Bitrate: %10.2f framerate: %10.2f ", oci->bitrate,
oci->framerate);
vp8_blit_text(message, oci->post_proc_buffer.y_buffer,
oci->post_proc_buffer.y_stride);
}
/* Draw motion vectors */
if ((flags & VP8D_DEBUG_DRAW_MV) && ppflags->display_mv_flag) {
YV12_BUFFER_CONFIG *post = &oci->post_proc_buffer;
int width = post->y_width;
int height = post->y_height;
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 = 0; y0 < height; y0 += 16) {
for (x0 = 0; x0 < width; x0 += 16) {
int x1, y1;
if (!(ppflags->display_mv_flag & (1 << mi->mbmi.mode))) {
mi++;
continue;
}
if (mi->mbmi.mode == SPLITMV) {
switch (mi->mbmi.partitioning) {
case 0: /* mv_top_bottom */
{
union b_mode_info *bmi = &mi->bmi[0];
MV *mv = &bmi->mv.as_mv;
x1 = x0 + 8 + (mv->col >> 3);
y1 = y0 + 4 + (mv->row >> 3);
constrain_line(x0 + 8, &x1, y0 + 4, &y1, width, height);
vp8_blit_line(x0 + 8, x1, y0 + 4, y1, y_buffer, y_stride);
bmi = &mi->bmi[8];
x1 = x0 + 8 + (mv->col >> 3);
y1 = y0 + 12 + (mv->row >> 3);
constrain_line(x0 + 8, &x1, y0 + 12, &y1, width, height);
vp8_blit_line(x0 + 8, x1, y0 + 12, y1, y_buffer, y_stride);
break;
}
case 1: /* mv_left_right */
{
union b_mode_info *bmi = &mi->bmi[0];
MV *mv = &bmi->mv.as_mv;
x1 = x0 + 4 + (mv->col >> 3);
y1 = y0 + 8 + (mv->row >> 3);
constrain_line(x0 + 4, &x1, y0 + 8, &y1, width, height);
vp8_blit_line(x0 + 4, x1, y0 + 8, y1, y_buffer, y_stride);
bmi = &mi->bmi[2];
x1 = x0 + 12 + (mv->col >> 3);
y1 = y0 + 8 + (mv->row >> 3);
constrain_line(x0 + 12, &x1, y0 + 8, &y1, width, height);
vp8_blit_line(x0 + 12, x1, y0 + 8, y1, y_buffer, y_stride);
break;
}
case 2: /* mv_quarters */
{
union b_mode_info *bmi = &mi->bmi[0];
MV *mv = &bmi->mv.as_mv;
x1 = x0 + 4 + (mv->col >> 3);
y1 = y0 + 4 + (mv->row >> 3);
constrain_line(x0 + 4, &x1, y0 + 4, &y1, width, height);
vp8_blit_line(x0 + 4, x1, y0 + 4, y1, y_buffer, y_stride);
bmi = &mi->bmi[2];
x1 = x0 + 12 + (mv->col >> 3);
y1 = y0 + 4 + (mv->row >> 3);
constrain_line(x0 + 12, &x1, y0 + 4, &y1, width, height);
vp8_blit_line(x0 + 12, x1, y0 + 4, y1, y_buffer, y_stride);
bmi = &mi->bmi[8];
x1 = x0 + 4 + (mv->col >> 3);
y1 = y0 + 12 + (mv->row >> 3);
constrain_line(x0 + 4, &x1, y0 + 12, &y1, width, height);
vp8_blit_line(x0 + 4, x1, y0 + 12, y1, y_buffer, y_stride);
bmi = &mi->bmi[10];
x1 = x0 + 12 + (mv->col >> 3);
y1 = y0 + 12 + (mv->row >> 3);
constrain_line(x0 + 12, &x1, y0 + 12, &y1, width, height);
vp8_blit_line(x0 + 12, x1, y0 + 12, y1, y_buffer, y_stride);
break;
}
default: {
union b_mode_info *bmi = mi->bmi;
int bx0, by0;
for (by0 = y0; by0 < (y0 + 16); by0 += 4) {
for (bx0 = x0; bx0 < (x0 + 16); bx0 += 4) {
MV *mv = &bmi->mv.as_mv;
x1 = bx0 + 2 + (mv->col >> 3);
y1 = by0 + 2 + (mv->row >> 3);
constrain_line(bx0 + 2, &x1, by0 + 2, &y1, width, height);
vp8_blit_line(bx0 + 2, x1, by0 + 2, y1, y_buffer, y_stride);
bmi++;
}
}
}
}
} else if (mi->mbmi.mode >= NEARESTMV) {
MV *mv = &mi->mbmi.mv.as_mv;
const int lx0 = x0 + 8;
const int ly0 = y0 + 8;
x1 = lx0 + (mv->col >> 3);
y1 = ly0 + (mv->row >> 3);
if (x1 != lx0 && y1 != ly0) {
constrain_line(lx0, &x1, ly0 - 1, &y1, width, height);
vp8_blit_line(lx0, x1, ly0 - 1, y1, y_buffer, y_stride);
constrain_line(lx0, &x1, ly0 + 1, &y1, width, height);
vp8_blit_line(lx0, x1, ly0 + 1, y1, y_buffer, y_stride);
} else
vp8_blit_line(lx0, x1, ly0, y1, y_buffer, y_stride);
}
mi++;
}
mi++;
}
}
/* Color in block modes */
if ((flags & VP8D_DEBUG_CLR_BLK_MODES) &&
(ppflags->display_mb_modes_flag || ppflags->display_b_modes_flag)) {
int y, x;
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 (y = 0; y < height; y += 16) {
for (x = 0; x < width; x += 16) {
int Y = 0, U = 0, V = 0;
if (mi->mbmi.mode == B_PRED &&
((ppflags->display_mb_modes_flag & B_PRED) ||
ppflags->display_b_modes_flag)) {
int by, bx;
unsigned char *yl, *ul, *vl;
union b_mode_info *bmi = mi->bmi;
yl = y_ptr + x;
ul = u_ptr + (x >> 1);
vl = v_ptr + (x >> 1);
for (by = 0; by < 16; by += 4) {
for (bx = 0; bx < 16; bx += 4) {
if ((ppflags->display_b_modes_flag & (1 << mi->mbmi.mode)) ||
(ppflags->display_mb_modes_flag & B_PRED)) {
Y = B_PREDICTION_MODE_colors[bmi->as_mode][0];
U = B_PREDICTION_MODE_colors[bmi->as_mode][1];
V = B_PREDICTION_MODE_colors[bmi->as_mode][2];
vp8_blend_b(yl + bx, ul + (bx >> 1), vl + (bx >> 1), Y, U, V,
0xc000, y_stride);
}
bmi++;
}
yl += y_stride * 4;
ul += y_stride * 1;
vl += y_stride * 1;
}
} else if (ppflags->display_mb_modes_flag & (1 << mi->mbmi.mode)) {
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_mb_inner(y_ptr + x, u_ptr + (x >> 1), v_ptr + (x >> 1), Y,
U, V, 0xc000, y_stride);
}
mi++;
}
y_ptr += y_stride * 16;
u_ptr += y_stride * 4;
v_ptr += y_stride * 4;
mi++;
}
}
/* Color in frame reference blocks */
if ((flags & VP8D_DEBUG_CLR_FRM_REF_BLKS) &&
ppflags->display_ref_frame_flag) {
int y, x;
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 (y = 0; y < height; y += 16) {
for (x = 0; x < width; x += 16) {
int Y = 0, U = 0, V = 0;
if (ppflags->display_ref_frame_flag & (1 << mi->mbmi.ref_frame)) {
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_mb_outer(y_ptr + x, u_ptr + (x >> 1), v_ptr + (x >> 1), Y,
U, V, 0xc000, y_stride);
}
mi++;
}
y_ptr += y_stride * 16;
u_ptr += y_stride * 4;
v_ptr += y_stride * 4;
mi++;
}
}
#endif
*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;
}
#endif