| /* |
| * 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_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> |
| |
| #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 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 |
| |
| const short vp8_rv[] = |
| { |
| 8, 5, 2, 2, 8, 12, 4, 9, 8, 3, |
| 0, 3, 9, 0, 0, 0, 8, 3, 14, 4, |
| 10, 1, 11, 14, 1, 14, 9, 6, 12, 11, |
| 8, 6, 10, 0, 0, 8, 9, 0, 3, 14, |
| 8, 11, 13, 4, 2, 9, 0, 3, 9, 6, |
| 1, 2, 3, 14, 13, 1, 8, 2, 9, 7, |
| 3, 3, 1, 13, 13, 6, 6, 5, 2, 7, |
| 11, 9, 11, 8, 7, 3, 2, 0, 13, 13, |
| 14, 4, 12, 5, 12, 10, 8, 10, 13, 10, |
| 4, 14, 4, 10, 0, 8, 11, 1, 13, 7, |
| 7, 14, 6, 14, 13, 2, 13, 5, 4, 4, |
| 0, 10, 0, 5, 13, 2, 12, 7, 11, 13, |
| 8, 0, 4, 10, 7, 2, 7, 2, 2, 5, |
| 3, 4, 7, 3, 3, 14, 14, 5, 9, 13, |
| 3, 14, 3, 6, 3, 0, 11, 8, 13, 1, |
| 13, 1, 12, 0, 10, 9, 7, 6, 2, 8, |
| 5, 2, 13, 7, 1, 13, 14, 7, 6, 7, |
| 9, 6, 10, 11, 7, 8, 7, 5, 14, 8, |
| 4, 4, 0, 8, 7, 10, 0, 8, 14, 11, |
| 3, 12, 5, 7, 14, 3, 14, 5, 2, 6, |
| 11, 12, 12, 8, 0, 11, 13, 1, 2, 0, |
| 5, 10, 14, 7, 8, 0, 4, 11, 0, 8, |
| 0, 3, 10, 5, 8, 0, 11, 6, 7, 8, |
| 10, 7, 13, 9, 2, 5, 1, 5, 10, 2, |
| 4, 3, 5, 6, 10, 8, 9, 4, 11, 14, |
| 0, 10, 0, 5, 13, 2, 12, 7, 11, 13, |
| 8, 0, 4, 10, 7, 2, 7, 2, 2, 5, |
| 3, 4, 7, 3, 3, 14, 14, 5, 9, 13, |
| 3, 14, 3, 6, 3, 0, 11, 8, 13, 1, |
| 13, 1, 12, 0, 10, 9, 7, 6, 2, 8, |
| 5, 2, 13, 7, 1, 13, 14, 7, 6, 7, |
| 9, 6, 10, 11, 7, 8, 7, 5, 14, 8, |
| 4, 4, 0, 8, 7, 10, 0, 8, 14, 11, |
| 3, 12, 5, 7, 14, 3, 14, 5, 2, 6, |
| 11, 12, 12, 8, 0, 11, 13, 1, 2, 0, |
| 5, 10, 14, 7, 8, 0, 4, 11, 0, 8, |
| 0, 3, 10, 5, 8, 0, 11, 6, 7, 8, |
| 10, 7, 13, 9, 2, 5, 1, 5, 10, 2, |
| 4, 3, 5, 6, 10, 8, 9, 4, 11, 14, |
| 3, 8, 3, 7, 8, 5, 11, 4, 12, 3, |
| 11, 9, 14, 8, 14, 13, 4, 3, 1, 2, |
| 14, 6, 5, 4, 4, 11, 4, 6, 2, 1, |
| 5, 8, 8, 12, 13, 5, 14, 10, 12, 13, |
| 0, 9, 5, 5, 11, 10, 13, 9, 10, 13, |
| }; |
| |
| extern void vp8_blit_text(const char *msg, unsigned char *address, const int pitch); |
| extern void vp8_blit_line(int x0, int x1, int y0, int y1, unsigned char *image, const int pitch); |
| /*********************************************************************************************************** |
| */ |
| void vp8_post_proc_down_and_across_mb_row_c |
| ( |
| unsigned char *src_ptr, |
| unsigned char *dst_ptr, |
| int src_pixels_per_line, |
| int dst_pixels_per_line, |
| int cols, |
| unsigned char *f, |
| int size |
| ) |
| { |
| unsigned char *p_src, *p_dst; |
| int row; |
| int col; |
| unsigned char v; |
| unsigned char d[4]; |
| |
| for (row = 0; row < size; row++) |
| { |
| /* post_proc_down for one row */ |
| p_src = src_ptr; |
| p_dst = dst_ptr; |
| |
| for (col = 0; col < cols; col++) |
| { |
| unsigned char p_above2 = p_src[col - 2 * src_pixels_per_line]; |
| unsigned char p_above1 = p_src[col - src_pixels_per_line]; |
| unsigned char p_below1 = p_src[col + src_pixels_per_line]; |
| unsigned char p_below2 = p_src[col + 2 * src_pixels_per_line]; |
| |
| v = p_src[col]; |
| |
| if ((abs(v - p_above2) < f[col]) && (abs(v - p_above1) < f[col]) |
| && (abs(v - p_below1) < f[col]) && (abs(v - p_below2) < f[col])) |
| { |
| unsigned char k1, k2, k3; |
| k1 = (p_above2 + p_above1 + 1) >> 1; |
| k2 = (p_below2 + p_below1 + 1) >> 1; |
| k3 = (k1 + k2 + 1) >> 1; |
| v = (k3 + v + 1) >> 1; |
| } |
| |
| p_dst[col] = v; |
| } |
| |
| /* now post_proc_across */ |
| p_src = dst_ptr; |
| p_dst = dst_ptr; |
| |
| p_src[-2] = p_src[-1] = p_src[0]; |
| p_src[cols] = p_src[cols + 1] = p_src[cols - 1]; |
| |
| for (col = 0; col < cols; col++) |
| { |
| v = p_src[col]; |
| |
| if ((abs(v - p_src[col - 2]) < f[col]) |
| && (abs(v - p_src[col - 1]) < f[col]) |
| && (abs(v - p_src[col + 1]) < f[col]) |
| && (abs(v - p_src[col + 2]) < f[col])) |
| { |
| unsigned char k1, k2, k3; |
| k1 = (p_src[col - 2] + p_src[col - 1] + 1) >> 1; |
| k2 = (p_src[col + 2] + p_src[col + 1] + 1) >> 1; |
| k3 = (k1 + k2 + 1) >> 1; |
| v = (k3 + v + 1) >> 1; |
| } |
| |
| d[col & 3] = v; |
| |
| if (col >= 2) |
| p_dst[col - 2] = d[(col - 2) & 3]; |
| } |
| |
| /* handle the last two pixels */ |
| p_dst[col - 2] = d[(col - 2) & 3]; |
| p_dst[col - 1] = d[(col - 1) & 3]; |
| |
| /* next row */ |
| src_ptr += src_pixels_per_line; |
| dst_ptr += dst_pixels_per_line; |
| } |
| } |
| |
| static int q2mbl(int x) |
| { |
| if (x < 20) x = 20; |
| |
| x = 50 + (x - 50) * 10 / 8; |
| return x * x / 3; |
| } |
| |
| void vp8_mbpost_proc_across_ip_c(unsigned char *src, int pitch, int rows, int cols, int flimit) |
| { |
| int r, c, i; |
| |
| unsigned char *s = src; |
| unsigned char d[16]; |
| |
| for (r = 0; r < rows; r++) |
| { |
| int sumsq = 0; |
| int sum = 0; |
| |
| for (i = -8; i < 0; i++) |
| s[i]=s[0]; |
| |
| /* 17 avoids valgrind warning - we buffer values in c in d |
| * and only write them when we've read 8 ahead... |
| */ |
| for (i = 0; i < 17; i++) |
| s[i+cols]=s[cols-1]; |
| |
| for (i = -8; i <= 6; i++) |
| { |
| sumsq += s[i] * s[i]; |
| sum += s[i]; |
| d[i+8] = 0; |
| } |
| |
| for (c = 0; c < cols + 8; c++) |
| { |
| int x = s[c+7] - s[c-8]; |
| int y = s[c+7] + s[c-8]; |
| |
| sum += x; |
| sumsq += x * y; |
| |
| d[c&15] = s[c]; |
| |
| if (sumsq * 15 - sum * sum < flimit) |
| { |
| d[c&15] = (8 + sum + s[c]) >> 4; |
| } |
| |
| s[c-8] = d[(c-8)&15]; |
| } |
| |
| s += pitch; |
| } |
| } |
| |
| void vp8_mbpost_proc_down_c(unsigned char *dst, int pitch, int rows, int cols, int flimit) |
| { |
| int r, c, i; |
| const short *rv3 = &vp8_rv[63&rand()]; |
| |
| for (c = 0; c < cols; c++ ) |
| { |
| unsigned char *s = &dst[c]; |
| int sumsq = 0; |
| int sum = 0; |
| unsigned char d[16]; |
| const short *rv2 = rv3 + ((c * 17) & 127); |
| |
| for (i = -8; i < 0; i++) |
| s[i*pitch]=s[0]; |
| |
| /* 17 avoids valgrind warning - we buffer values in c in d |
| * and only write them when we've read 8 ahead... |
| */ |
| for (i = 0; i < 17; i++) |
| s[(i+rows)*pitch]=s[(rows-1)*pitch]; |
| |
| 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; |
| } |
| if (r >= 8) |
| s[-8*pitch] = d[(r-8)&15]; |
| s += pitch; |
| } |
| } |
| } |
| |
| #if CONFIG_POSTPROC |
| static void vp8_de_mblock(YV12_BUFFER_CONFIG *post, |
| int q) |
| { |
| vp8_mbpost_proc_across_ip(post->y_buffer, post->y_stride, post->y_height, |
| post->y_width, q2mbl(q)); |
| vp8_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++; |
| |
| vp8_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); |
| |
| vp8_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); |
| vp8_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++) |
| { |
| vp8_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) { |
| vp8_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); |
| vp8_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); |
| } |
| } |
| } |
| |
| 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 i; |
| |
| 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 * 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; |
| } |
| |
| /* 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; |
| } |
| |
| /* 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) |
| { |
| fillrd(&oci->postproc_state, 63 - q, noise_level); |
| } |
| |
| vpx_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 |
