ref: 52549b4e78dba7116f5d6c91a785e65d32c570c9
dir: /vp9/common/vp9_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 <math.h>
#include <stdlib.h>
#include <stdio.h>
#include "./vpx_config.h"
#include "./vpx_scale_rtcd.h"
#include "./vp9_rtcd.h"
#include "vpx_scale/vpx_scale.h"
#include "vpx_scale/yv12config.h"
#include "vp9/common/vp9_onyxc_int.h"
#include "vp9/common/vp9_postproc.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_textblit.h"
#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)
/* global constants */
#if 0 && 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(0x8F0000) }, /* Dark Red */
{ RGB_TO_YUV(0x008F8F) }, /* Dark Cyan */
{ RGB_TO_YUV(0x008F8F) }, /* Dark Cyan */
{ RGB_TO_YUV(0x008F8F) }, /* Dark Cyan */
{ RGB_TO_YUV(0x8F0000) }, /* Dark Red */
{ RGB_TO_YUV(0x8F0000) }, /* Dark Red */
{ 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 */
{ RGB_TO_YUV(0xCC33FF) }, /* Magenta */
};
static const unsigned char B_PREDICTION_MODE_colors[INTRA_MODES][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
static const short kernel5[] = {
1, 1, 4, 1, 1
};
const short vp9_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,
};
void vp9_post_proc_down_and_across_c(const uint8_t *src_ptr,
uint8_t *dst_ptr,
int src_pixels_per_line,
int dst_pixels_per_line,
int rows,
int cols,
int flimit) {
uint8_t const *p_src;
uint8_t *p_dst;
int row;
int col;
int i;
int v;
int pitch = src_pixels_per_line;
uint8_t 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;
}
}
static int q2mbl(int x) {
if (x < 20) x = 20;
x = 50 + (x - 50) * 10 / 8;
return x * x / 3;
}
void vp9_mbpost_proc_across_ip_c(uint8_t *src, int pitch,
int rows, int cols, int flimit) {
int r, c, i;
uint8_t *s = src;
uint8_t 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 vp9_mbpost_proc_down_c(uint8_t *dst, int pitch,
int rows, int cols, int flimit) {
int r, c, i;
const short *rv3 = &vp9_rv[63 & rand()]; // NOLINT
for (c = 0; c < cols; c++) {
uint8_t *s = &dst[c];
int sumsq = 0;
int sum = 0;
uint8_t 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 deblock_and_de_macro_block(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);
(void) low_var_thresh;
(void) flag;
vp9_post_proc_down_and_across(source->y_buffer, post->y_buffer,
source->y_stride, post->y_stride,
source->y_height, source->y_width, ppl);
vp9_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height,
post->y_width, q2mbl(q));
vp9_mbpost_proc_down(post->y_buffer, post->y_stride, post->y_height,
post->y_width, q2mbl(q));
vp9_post_proc_down_and_across(source->u_buffer, post->u_buffer,
source->uv_stride, post->uv_stride,
source->uv_height, source->uv_width, ppl);
vp9_post_proc_down_and_across(source->v_buffer, post->v_buffer,
source->uv_stride, post->uv_stride,
source->uv_height, source->uv_width, ppl);
}
void vp9_deblock(const YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
int q) {
const int ppl = (int)(6.0e-05 * q * q * q - 0.0067 * q * q + 0.306 * q
+ 0.0065 + 0.5);
int i;
const uint8_t *const srcs[4] = {src->y_buffer, src->u_buffer, src->v_buffer,
src->alpha_buffer};
const int src_strides[4] = {src->y_stride, src->uv_stride, src->uv_stride,
src->alpha_stride};
const int src_widths[4] = {src->y_width, src->uv_width, src->uv_width,
src->alpha_width};
const int src_heights[4] = {src->y_height, src->uv_height, src->uv_height,
src->alpha_height};
uint8_t *const dsts[4] = {dst->y_buffer, dst->u_buffer, dst->v_buffer,
dst->alpha_buffer};
const int dst_strides[4] = {dst->y_stride, dst->uv_stride, dst->uv_stride,
dst->alpha_stride};
for (i = 0; i < MAX_MB_PLANE; ++i)
vp9_post_proc_down_and_across(srcs[i], dsts[i],
src_strides[i], dst_strides[i],
src_heights[i], src_widths[i], ppl);
}
void vp9_denoise(const YV12_BUFFER_CONFIG *src, YV12_BUFFER_CONFIG *dst,
int q) {
const int ppl = (int)(6.0e-05 * q * q * q - 0.0067 * q * q + 0.306 * q
+ 0.0065 + 0.5);
int i;
const uint8_t *const srcs[4] = {src->y_buffer, src->u_buffer, src->v_buffer,
src->alpha_buffer};
const int src_strides[4] = {src->y_stride, src->uv_stride, src->uv_stride,
src->alpha_stride};
const int src_widths[4] = {src->y_width, src->uv_width, src->uv_width,
src->alpha_width};
const int src_heights[4] = {src->y_height, src->uv_height, src->uv_height,
src->alpha_height};
uint8_t *const dsts[4] = {dst->y_buffer, dst->u_buffer, dst->v_buffer,
dst->alpha_buffer};
const int dst_strides[4] = {dst->y_stride, dst->uv_stride, dst->uv_stride,
dst->alpha_stride};
for (i = 0; i < MAX_MB_PLANE; ++i) {
const int src_stride = src_strides[i];
const uint8_t *const src = srcs[i] + 2 * src_stride + 2;
const int src_width = src_widths[i] - 4;
const int src_height = src_heights[i] - 4;
const int dst_stride = dst_strides[i];
uint8_t *const dst = dsts[i] + 2 * dst_stride + 2;
vp9_post_proc_down_and_across(src, dst, src_stride, dst_stride,
src_height, src_width, ppl);
}
}
static double gaussian(double sigma, double mu, double x) {
return 1 / (sigma * sqrt(2.0 * 3.14159265)) *
(exp(-(x - mu) * (x - mu) / (2 * sigma * sigma)));
}
static void fillrd(struct postproc_state *state, int q, int a) {
char char_dist[300];
double sigma;
int ai = a, qi = q, i;
vp9_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)(0.5 + 256 * gaussian(sigma, 0, i));
if (a) {
for (j = 0; j < a; j++) {
char_dist[next + j] = (char) i;
}
next = next + j;
}
}
for (; next < 256; next++)
char_dist[next] = 0;
}
for (i = 0; i < 3072; i++) {
state->noise[i] = char_dist[rand() & 0xff]; // NOLINT
}
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;
}
void vp9_plane_add_noise_c(uint8_t *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++) {
uint8_t *pos = start + i * pitch;
char *ref = (char *)(noise + (rand() & 0xff)); // NOLINT
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];
}
}
}
/* 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 vp9_blend_mb_inner_c(uint8_t *y, uint8_t *u, uint8_t *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);
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 vp9_blend_mb_outer_c(uint8_t *y, uint8_t *u, uint8_t *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 < 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 vp9_blend_b_c(uint8_t *y, uint8_t *u, uint8_t *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 < 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;
}
}
static void constrain_line(int x0, int *x1, int y0, int *y1,
int width, int height) {
int dx;
int dy;
if (*x1 > width) {
dx = *x1 - x0;
dy = *y1 - y0;
*x1 = width;
if (dx)
*y1 = ((width - x0) * dy) / dx + y0;
}
if (*x1 < 0) {
dx = *x1 - x0;
dy = *y1 - y0;
*x1 = 0;
if (dx)
*y1 = ((0 - x0) * dy) / dx + y0;
}
if (*y1 > height) {
dx = *x1 - x0;
dy = *y1 - y0;
*y1 = height;
if (dy)
*x1 = ((height - y0) * dx) / dy + x0;
}
if (*y1 < 0) {
dx = *x1 - x0;
dy = *y1 - y0;
*y1 = 0;
if (dy)
*x1 = ((0 - y0) * dx) / dy + x0;
}
}
int vp9_post_proc_frame(struct VP9Common *cm,
YV12_BUFFER_CONFIG *dest, vp9_ppflags_t *ppflags) {
const int q = MIN(63, cm->lf.filter_level * 10 / 6);
const int flags = ppflags->post_proc_flag;
YV12_BUFFER_CONFIG *const ppbuf = &cm->post_proc_buffer;
struct postproc_state *const ppstate = &cm->postproc_state;
if (!cm->frame_to_show)
return -1;
if (!flags) {
*dest = *cm->frame_to_show;
return 0;
}
vp9_clear_system_state();
if (flags & VP9D_DEMACROBLOCK) {
deblock_and_de_macro_block(cm->frame_to_show, ppbuf,
q + (ppflags->deblocking_level - 5) * 10, 1, 0);
} else if (flags & VP9D_DEBLOCK) {
vp9_deblock(cm->frame_to_show, ppbuf, q);
} else {
vp8_yv12_copy_frame(cm->frame_to_show, ppbuf);
}
if (flags & VP9D_ADDNOISE) {
const int noise_level = ppflags->noise_level;
if (ppstate->last_q != q ||
ppstate->last_noise != noise_level) {
fillrd(ppstate, 63 - q, noise_level);
}
vp9_plane_add_noise(ppbuf->y_buffer, ppstate->noise, ppstate->blackclamp,
ppstate->whiteclamp, ppstate->bothclamp,
ppbuf->y_width, ppbuf->y_height, ppbuf->y_stride);
}
#if 0 && CONFIG_POSTPROC_VISUALIZER
if (flags & VP9D_DEBUG_TXT_FRAME_INFO) {
char message[512];
snprintf(message, sizeof(message) -1,
"F%1dG%1dQ%3dF%3dP%d_s%dx%d",
(cm->frame_type == KEY_FRAME),
cm->refresh_golden_frame,
cm->base_qindex,
cm->filter_level,
flags,
cm->mb_cols, cm->mb_rows);
vp9_blit_text(message, ppbuf->y_buffer, ppbuf->y_stride);
}
if (flags & VP9D_DEBUG_TXT_MBLK_MODES) {
int i, j;
uint8_t *y_ptr;
int mb_rows = ppbuf->y_height >> 4;
int mb_cols = ppbuf->y_width >> 4;
int mb_index = 0;
MODE_INFO *mi = cm->mi;
y_ptr = post->y_buffer + 4 * post->y_stride + 4;
/* vp9_filter each macro block */
for (i = 0; i < mb_rows; i++) {
for (j = 0; j < mb_cols; j++) {
char zz[4];
snprintf(zz, sizeof(zz) - 1, "%c", mi[mb_index].mbmi.mode + 'a');
vp9_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 & VP9D_DEBUG_TXT_DC_DIFF) {
int i, j;
uint8_t *y_ptr;
int mb_rows = ppbuf->y_height >> 4;
int mb_cols = ppbuf->y_width >> 4;
int mb_index = 0;
MODE_INFO *mi = cm->mi;
y_ptr = post->y_buffer + 4 * post->y_stride + 4;
/* vp9_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 != I4X4_PRED &&
mi[mb_index].mbmi.mode != SPLITMV &&
mi[mb_index].mbmi.skip);
if (cm->frame_type == KEY_FRAME)
snprintf(zz, sizeof(zz) - 1, "a");
else
snprintf(zz, sizeof(zz) - 1, "%c", dc_diff + '0');
vp9_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 & VP9D_DEBUG_TXT_RATE_INFO) {
char message[512];
snprintf(message, sizeof(message),
"Bitrate: %10.2f framerate: %10.2f ",
cm->bitrate, cm->framerate);
vp9_blit_text(message, ppbuf->y_buffer, ppbuf->y_stride);
}
/* Draw motion vectors */
if ((flags & VP9D_DEBUG_DRAW_MV) && ppflags->display_mv_flag) {
int width = ppbuf->y_width;
int height = ppbuf->y_height;
uint8_t *y_buffer = ppbuf->y_buffer;
int y_stride = ppbuf->y_stride;
MODE_INFO *mi = cm->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 PARTITIONING_16X8 : { /* 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);
vp9_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);
vp9_blit_line(x0 + 8, x1, y0 + 12, y1, y_buffer, y_stride);
break;
}
case PARTITIONING_8X16 : { /* 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);
vp9_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);
vp9_blit_line(x0 + 12, x1, y0 + 8, y1, y_buffer, y_stride);
break;
}
case PARTITIONING_8X8 : { /* 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);
vp9_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);
vp9_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);
vp9_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);
vp9_blit_line(x0 + 12, x1, y0 + 12, y1, y_buffer, y_stride);
break;
}
case PARTITIONING_4X4:
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);
vp9_blit_line(bx0 + 2, x1, by0 + 2, y1, y_buffer, y_stride);
bmi++;
}
}
}
}
} else if (is_inter_mode(mi->mbmi.mode)) {
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);
vp9_blit_line(lx0, x1, ly0 - 1, y1, y_buffer, y_stride);
constrain_line(lx0, &x1, ly0 + 1, &y1, width, height);
vp9_blit_line(lx0, x1, ly0 + 1, y1, y_buffer, y_stride);
} else {
vp9_blit_line(lx0, x1, ly0, y1, y_buffer, y_stride);
}
}
mi++;
}
mi++;
}
}
/* Color in block modes */
if ((flags & VP9D_DEBUG_CLR_BLK_MODES)
&& (ppflags->display_mb_modes_flag || ppflags->display_b_modes_flag)) {
int y, x;
int width = ppbuf->y_width;
int height = ppbuf->y_height;
uint8_t *y_ptr = ppbuf->y_buffer;
uint8_t *u_ptr = ppbuf->u_buffer;
uint8_t *v_ptr = ppbuf->v_buffer;
int y_stride = ppbuf->y_stride;
MODE_INFO *mi = cm->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 == I4X4_PRED &&
((ppflags->display_mb_modes_flag & I4X4_PRED) ||
ppflags->display_b_modes_flag)) {
int by, bx;
uint8_t *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 & I4X4_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];
vp9_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];
vp9_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 & VP9D_DEBUG_CLR_FRM_REF_BLKS) &&
ppflags->display_ref_frame_flag) {
int y, x;
int width = ppbuf->y_width;
int height = ppbuf->y_height;
uint8_t *y_ptr = ppbuf->y_buffer;
uint8_t *u_ptr = ppbuf->u_buffer;
uint8_t *v_ptr = ppbuf->v_buffer;
int y_stride = ppbuf->y_stride;
MODE_INFO *mi = cm->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];
vp9_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 = *ppbuf;
/* handle problem with extending borders */
dest->y_width = cm->width;
dest->y_height = cm->height;
dest->uv_width = dest->y_width >> cm->subsampling_x;
dest->uv_height = dest->y_height >> cm->subsampling_y;
return 0;
}