1207 строки
37 KiB
C
1207 строки
37 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_config.h"
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#include "vp8_rtcd.h"
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#include "vpx_scale_rtcd.h"
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#include "vpx_scale/yv12config.h"
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#include "postproc.h"
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#include "common.h"
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#include "vpx_scale/vpx_scale.h"
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#include "systemdependent.h"
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#include <limits.h>
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#define RGB_TO_YUV(t) \
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( (0.257*(float)(t>>16)) + (0.504*(float)(t>>8&0xff)) + (0.098*(float)(t&0xff)) + 16), \
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(-(0.148*(float)(t>>16)) - (0.291*(float)(t>>8&0xff)) + (0.439*(float)(t&0xff)) + 128), \
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( (0.439*(float)(t>>16)) - (0.368*(float)(t>>8&0xff)) - (0.071*(float)(t&0xff)) + 128)
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/* global constants */
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#if CONFIG_POSTPROC_VISUALIZER
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static const unsigned char MB_PREDICTION_MODE_colors[MB_MODE_COUNT][3] =
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{
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{ RGB_TO_YUV(0x98FB98) }, /* PaleGreen */
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{ RGB_TO_YUV(0x00FF00) }, /* Green */
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{ RGB_TO_YUV(0xADFF2F) }, /* GreenYellow */
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{ RGB_TO_YUV(0x228B22) }, /* ForestGreen */
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{ RGB_TO_YUV(0x006400) }, /* DarkGreen */
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{ RGB_TO_YUV(0x98F5FF) }, /* Cadet Blue */
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{ RGB_TO_YUV(0x6CA6CD) }, /* Sky Blue */
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{ RGB_TO_YUV(0x00008B) }, /* Dark blue */
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{ RGB_TO_YUV(0x551A8B) }, /* Purple */
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{ RGB_TO_YUV(0xFF0000) } /* Red */
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};
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static const unsigned char B_PREDICTION_MODE_colors[B_MODE_COUNT][3] =
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{
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{ RGB_TO_YUV(0x6633ff) }, /* Purple */
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{ RGB_TO_YUV(0xcc33ff) }, /* Magenta */
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{ RGB_TO_YUV(0xff33cc) }, /* Pink */
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{ RGB_TO_YUV(0xff3366) }, /* Coral */
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{ RGB_TO_YUV(0x3366ff) }, /* Blue */
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{ RGB_TO_YUV(0xed00f5) }, /* Dark Blue */
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{ RGB_TO_YUV(0x2e00b8) }, /* Dark Purple */
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{ RGB_TO_YUV(0xff6633) }, /* Orange */
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{ RGB_TO_YUV(0x33ccff) }, /* Light Blue */
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{ RGB_TO_YUV(0x8ab800) }, /* Green */
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{ RGB_TO_YUV(0xffcc33) }, /* Light Orange */
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{ RGB_TO_YUV(0x33ffcc) }, /* Aqua */
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{ RGB_TO_YUV(0x66ff33) }, /* Light Green */
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{ RGB_TO_YUV(0xccff33) }, /* Yellow */
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};
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static const unsigned char MV_REFERENCE_FRAME_colors[MAX_REF_FRAMES][3] =
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{
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{ RGB_TO_YUV(0x00ff00) }, /* Blue */
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{ RGB_TO_YUV(0x0000ff) }, /* Green */
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{ RGB_TO_YUV(0xffff00) }, /* Yellow */
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{ RGB_TO_YUV(0xff0000) }, /* Red */
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};
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#endif
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static const short kernel5[] =
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{
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1, 1, 4, 1, 1
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};
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const short vp8_rv[] =
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{
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8, 5, 2, 2, 8, 12, 4, 9, 8, 3,
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0, 3, 9, 0, 0, 0, 8, 3, 14, 4,
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10, 1, 11, 14, 1, 14, 9, 6, 12, 11,
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8, 6, 10, 0, 0, 8, 9, 0, 3, 14,
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8, 11, 13, 4, 2, 9, 0, 3, 9, 6,
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1, 2, 3, 14, 13, 1, 8, 2, 9, 7,
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3, 3, 1, 13, 13, 6, 6, 5, 2, 7,
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11, 9, 11, 8, 7, 3, 2, 0, 13, 13,
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14, 4, 12, 5, 12, 10, 8, 10, 13, 10,
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4, 14, 4, 10, 0, 8, 11, 1, 13, 7,
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7, 14, 6, 14, 13, 2, 13, 5, 4, 4,
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0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
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8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
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3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
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3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
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13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
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5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
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9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
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4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
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3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
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11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
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5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
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0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
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10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
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4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
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0, 10, 0, 5, 13, 2, 12, 7, 11, 13,
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8, 0, 4, 10, 7, 2, 7, 2, 2, 5,
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3, 4, 7, 3, 3, 14, 14, 5, 9, 13,
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3, 14, 3, 6, 3, 0, 11, 8, 13, 1,
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13, 1, 12, 0, 10, 9, 7, 6, 2, 8,
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5, 2, 13, 7, 1, 13, 14, 7, 6, 7,
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9, 6, 10, 11, 7, 8, 7, 5, 14, 8,
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4, 4, 0, 8, 7, 10, 0, 8, 14, 11,
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3, 12, 5, 7, 14, 3, 14, 5, 2, 6,
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11, 12, 12, 8, 0, 11, 13, 1, 2, 0,
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5, 10, 14, 7, 8, 0, 4, 11, 0, 8,
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0, 3, 10, 5, 8, 0, 11, 6, 7, 8,
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10, 7, 13, 9, 2, 5, 1, 5, 10, 2,
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4, 3, 5, 6, 10, 8, 9, 4, 11, 14,
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3, 8, 3, 7, 8, 5, 11, 4, 12, 3,
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11, 9, 14, 8, 14, 13, 4, 3, 1, 2,
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14, 6, 5, 4, 4, 11, 4, 6, 2, 1,
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5, 8, 8, 12, 13, 5, 14, 10, 12, 13,
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0, 9, 5, 5, 11, 10, 13, 9, 10, 13,
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};
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extern void vp8_blit_text(const char *msg, unsigned char *address, const int pitch);
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extern void vp8_blit_line(int x0, int x1, int y0, int y1, unsigned char *image, const int pitch);
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/***********************************************************************************************************
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*/
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void vp8_post_proc_down_and_across_mb_row_c
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(
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unsigned char *src_ptr,
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unsigned char *dst_ptr,
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int src_pixels_per_line,
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int dst_pixels_per_line,
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int cols,
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unsigned char *f,
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int size
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)
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{
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unsigned char *p_src, *p_dst;
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int row;
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int col;
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unsigned char v;
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unsigned char d[4];
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for (row = 0; row < size; row++)
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{
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/* post_proc_down for one row */
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p_src = src_ptr;
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p_dst = dst_ptr;
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for (col = 0; col < cols; col++)
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{
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unsigned char p_above2 = p_src[col - 2 * src_pixels_per_line];
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unsigned char p_above1 = p_src[col - src_pixels_per_line];
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unsigned char p_below1 = p_src[col + src_pixels_per_line];
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unsigned char p_below2 = p_src[col + 2 * src_pixels_per_line];
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v = p_src[col];
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if ((abs(v - p_above2) < f[col]) && (abs(v - p_above1) < f[col])
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&& (abs(v - p_below1) < f[col]) && (abs(v - p_below2) < f[col]))
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{
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unsigned char k1, k2, k3;
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k1 = (p_above2 + p_above1 + 1) >> 1;
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k2 = (p_below2 + p_below1 + 1) >> 1;
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k3 = (k1 + k2 + 1) >> 1;
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v = (k3 + v + 1) >> 1;
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}
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p_dst[col] = v;
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}
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/* now post_proc_across */
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p_src = dst_ptr;
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p_dst = dst_ptr;
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p_src[-2] = p_src[-1] = p_src[0];
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p_src[cols] = p_src[cols + 1] = p_src[cols - 1];
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for (col = 0; col < cols; col++)
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{
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v = p_src[col];
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if ((abs(v - p_src[col - 2]) < f[col])
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&& (abs(v - p_src[col - 1]) < f[col])
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&& (abs(v - p_src[col + 1]) < f[col])
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&& (abs(v - p_src[col + 2]) < f[col]))
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{
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unsigned char k1, k2, k3;
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k1 = (p_src[col - 2] + p_src[col - 1] + 1) >> 1;
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k2 = (p_src[col + 2] + p_src[col + 1] + 1) >> 1;
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k3 = (k1 + k2 + 1) >> 1;
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v = (k3 + v + 1) >> 1;
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}
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d[col & 3] = v;
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if (col >= 2)
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p_dst[col - 2] = d[(col - 2) & 3];
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}
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/* handle the last two pixels */
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p_dst[col - 2] = d[(col - 2) & 3];
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p_dst[col - 1] = d[(col - 1) & 3];
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/* next row */
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src_ptr += src_pixels_per_line;
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dst_ptr += dst_pixels_per_line;
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}
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}
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static int q2mbl(int x)
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{
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if (x < 20) x = 20;
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x = 50 + (x - 50) * 10 / 8;
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return x * x / 3;
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}
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void vp8_mbpost_proc_across_ip_c(unsigned char *src, int pitch, int rows, int cols, int flimit)
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{
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int r, c, i;
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unsigned char *s = src;
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unsigned char d[16];
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for (r = 0; r < rows; r++)
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{
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int sumsq = 0;
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int sum = 0;
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for (i = -8; i<0; i++)
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s[i]=s[0];
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/* 17 avoids valgrind warning - we buffer values in c in d
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* and only write them when we've read 8 ahead...
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*/
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for (i = cols; i<cols+17; i++)
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s[i]=s[cols-1];
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for (i = -8; i <= 6; i++)
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{
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sumsq += s[i] * s[i];
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sum += s[i];
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d[i+8] = 0;
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}
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for (c = 0; c < cols + 8; c++)
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{
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int x = s[c+7] - s[c-8];
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int y = s[c+7] + s[c-8];
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sum += x;
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sumsq += x * y;
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d[c&15] = s[c];
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if (sumsq * 15 - sum * sum < flimit)
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{
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d[c&15] = (8 + sum + s[c]) >> 4;
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}
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s[c-8] = d[(c-8)&15];
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}
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s += pitch;
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}
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}
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void vp8_mbpost_proc_down_c(unsigned char *dst, int pitch, int rows, int cols, int flimit)
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{
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int r, c, i;
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const short *rv3 = &vp8_rv[63&rand()];
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for (c = 0; c < cols; c++ )
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{
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unsigned char *s = &dst[c];
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int sumsq = 0;
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int sum = 0;
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unsigned char d[16];
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const short *rv2 = rv3 + ((c * 17) & 127);
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for (i = -8; i < 0; i++)
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s[i*pitch]=s[0];
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/* 17 avoids valgrind warning - we buffer values in c in d
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* and only write them when we've read 8 ahead...
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*/
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for (i = rows; i < rows+17; i++)
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s[i*pitch]=s[(rows-1)*pitch];
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for (i = -8; i <= 6; i++)
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{
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sumsq += s[i*pitch] * s[i*pitch];
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sum += s[i*pitch];
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}
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for (r = 0; r < rows + 8; r++)
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{
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sumsq += s[7*pitch] * s[ 7*pitch] - s[-8*pitch] * s[-8*pitch];
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sum += s[7*pitch] - s[-8*pitch];
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d[r&15] = s[0];
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if (sumsq * 15 - sum * sum < flimit)
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{
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d[r&15] = (rv2[r&127] + sum + s[0]) >> 4;
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}
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s[-8*pitch] = d[(r-8)&15];
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s += pitch;
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}
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}
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}
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static void vp8_de_mblock(YV12_BUFFER_CONFIG *post,
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int q)
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{
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vp8_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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vp8_mbpost_proc_down(post->y_buffer, post->y_stride, post->y_height,
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post->y_width, q2mbl(q));
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}
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void vp8_deblock(VP8_COMMON *cm,
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YV12_BUFFER_CONFIG *source,
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YV12_BUFFER_CONFIG *post,
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int q,
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int low_var_thresh,
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int flag)
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{
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double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
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int ppl = (int)(level + .5);
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const MODE_INFO *mode_info_context = cm->show_frame_mi;
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int mbr, mbc;
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/* The pixel thresholds are adjusted according to if or not the macroblock
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* is a skipped block. */
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unsigned char *ylimits = cm->pp_limits_buffer;
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unsigned char *uvlimits = cm->pp_limits_buffer + 16 * cm->mb_cols;
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(void) low_var_thresh;
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(void) flag;
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if (ppl > 0)
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{
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for (mbr = 0; mbr < cm->mb_rows; mbr++)
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{
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unsigned char *ylptr = ylimits;
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unsigned char *uvlptr = uvlimits;
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for (mbc = 0; mbc < cm->mb_cols; mbc++)
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{
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unsigned char mb_ppl;
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if (mode_info_context->mbmi.mb_skip_coeff)
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mb_ppl = (unsigned char)ppl >> 1;
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else
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mb_ppl = (unsigned char)ppl;
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vpx_memset(ylptr, mb_ppl, 16);
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vpx_memset(uvlptr, mb_ppl, 8);
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ylptr += 16;
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uvlptr += 8;
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mode_info_context++;
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}
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mode_info_context++;
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vp8_post_proc_down_and_across_mb_row(
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source->y_buffer + 16 * mbr * source->y_stride,
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post->y_buffer + 16 * mbr * post->y_stride, source->y_stride,
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post->y_stride, source->y_width, ylimits, 16);
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vp8_post_proc_down_and_across_mb_row(
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source->u_buffer + 8 * mbr * source->uv_stride,
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post->u_buffer + 8 * mbr * post->uv_stride, source->uv_stride,
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post->uv_stride, source->uv_width, uvlimits, 8);
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vp8_post_proc_down_and_across_mb_row(
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source->v_buffer + 8 * mbr * source->uv_stride,
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post->v_buffer + 8 * mbr * post->uv_stride, source->uv_stride,
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post->uv_stride, source->uv_width, uvlimits, 8);
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}
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} else
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{
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vp8_yv12_copy_frame(source, post);
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}
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}
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#if !(CONFIG_TEMPORAL_DENOISING)
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void vp8_de_noise(VP8_COMMON *cm,
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YV12_BUFFER_CONFIG *source,
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YV12_BUFFER_CONFIG *post,
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int q,
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int low_var_thresh,
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int flag)
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{
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double level = 6.0e-05 * q * q * q - .0067 * q * q + .306 * q + .0065;
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int ppl = (int)(level + .5);
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int mb_rows = source->y_width >> 4;
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int mb_cols = source->y_height >> 4;
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unsigned char *limits = cm->pp_limits_buffer;;
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int mbr, mbc;
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(void) post;
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(void) low_var_thresh;
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(void) flag;
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vpx_memset(limits, (unsigned char)ppl, 16 * mb_cols);
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/* TODO: The original code don't filter the 2 outer rows and columns. */
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for (mbr = 0; mbr < mb_rows; mbr++)
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{
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vp8_post_proc_down_and_across_mb_row(
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source->y_buffer + 16 * mbr * source->y_stride,
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source->y_buffer + 16 * mbr * source->y_stride,
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source->y_stride, source->y_stride, source->y_width, limits, 16);
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vp8_post_proc_down_and_across_mb_row(
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source->u_buffer + 8 * mbr * source->uv_stride,
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source->u_buffer + 8 * mbr * source->uv_stride,
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source->uv_stride, source->uv_stride, source->uv_width, limits, 8);
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vp8_post_proc_down_and_across_mb_row(
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source->v_buffer + 8 * mbr * source->uv_stride,
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source->v_buffer + 8 * mbr * source->uv_stride,
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source->uv_stride, source->uv_stride, source->uv_width, limits, 8);
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}
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}
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#endif
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double vp8_gaussian(double sigma, double mu, double x)
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{
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return 1 / (sigma * sqrt(2.0 * 3.14159265)) *
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(exp(-(x - mu) * (x - mu) / (2 * sigma * sigma)));
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}
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static void fillrd(struct postproc_state *state, int q, int a)
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{
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char char_dist[300];
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double sigma;
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int i;
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vp8_clear_system_state();
|
|
|
|
|
|
sigma = a + .5 + .6 * (63 - q) / 63.0;
|
|
|
|
/* set up a lookup table of 256 entries that matches
|
|
* a gaussian distribution with sigma determined by q.
|
|
*/
|
|
{
|
|
int next, j;
|
|
|
|
next = 0;
|
|
|
|
for (i = -32; i < 32; i++)
|
|
{
|
|
const int v = (int)(.5 + 256 * vp8_gaussian(sigma, 0, i));
|
|
|
|
if (v)
|
|
{
|
|
for (j = 0; j < v; 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];
|
|
}
|
|
|
|
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];
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
#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;
|
|
}
|
|
|
|
/* 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
|
|
*/
|
|
vpx_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)
|
|
{
|
|
fillrd(&oci->postproc_state, 63 - q, noise_level);
|
|
}
|
|
|
|
vp8_plane_add_noise
|
|
(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 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
|