diff options
Diffstat (limited to 'chromium/third_party/libvpx/source/libvpx/vp8/common/postproc.c')
| -rw-r--r-- | chromium/third_party/libvpx/source/libvpx/vp8/common/postproc.c | 1206 |
1 files changed, 1206 insertions, 0 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp8/common/postproc.c b/chromium/third_party/libvpx/source/libvpx/vp8/common/postproc.c new file mode 100644 index 00000000000..0266f4c09d1 --- /dev/null +++ b/chromium/third_party/libvpx/source/libvpx/vp8/common/postproc.c @@ -0,0 +1,1206 @@ +/* + * 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 "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 + +static const short kernel5[] = +{ + 1, 1, 4, 1, 1 +}; + +const short vp8_rv[] = +{ + 8, 5, 2, 2, 8, 12, 4, 9, 8, 3, + 0, 3, 9, 0, 0, 0, 8, 3, 14, 4, + 10, 1, 11, 14, 1, 14, 9, 6, 12, 11, + 8, 6, 10, 0, 0, 8, 9, 0, 3, 14, + 8, 11, 13, 4, 2, 9, 0, 3, 9, 6, + 1, 2, 3, 14, 13, 1, 8, 2, 9, 7, + 3, 3, 1, 13, 13, 6, 6, 5, 2, 7, + 11, 9, 11, 8, 7, 3, 2, 0, 13, 13, + 14, 4, 12, 5, 12, 10, 8, 10, 13, 10, + 4, 14, 4, 10, 0, 8, 11, 1, 13, 7, + 7, 14, 6, 14, 13, 2, 13, 5, 4, 4, + 0, 10, 0, 5, 13, 2, 12, 7, 11, 13, + 8, 0, 4, 10, 7, 2, 7, 2, 2, 5, + 3, 4, 7, 3, 3, 14, 14, 5, 9, 13, + 3, 14, 3, 6, 3, 0, 11, 8, 13, 1, + 13, 1, 12, 0, 10, 9, 7, 6, 2, 8, + 5, 2, 13, 7, 1, 13, 14, 7, 6, 7, + 9, 6, 10, 11, 7, 8, 7, 5, 14, 8, + 4, 4, 0, 8, 7, 10, 0, 8, 14, 11, + 3, 12, 5, 7, 14, 3, 14, 5, 2, 6, + 11, 12, 12, 8, 0, 11, 13, 1, 2, 0, + 5, 10, 14, 7, 8, 0, 4, 11, 0, 8, + 0, 3, 10, 5, 8, 0, 11, 6, 7, 8, + 10, 7, 13, 9, 2, 5, 1, 5, 10, 2, + 4, 3, 5, 6, 10, 8, 9, 4, 11, 14, + 0, 10, 0, 5, 13, 2, 12, 7, 11, 13, + 8, 0, 4, 10, 7, 2, 7, 2, 2, 5, + 3, 4, 7, 3, 3, 14, 14, 5, 9, 13, + 3, 14, 3, 6, 3, 0, 11, 8, 13, 1, + 13, 1, 12, 0, 10, 9, 7, 6, 2, 8, + 5, 2, 13, 7, 1, 13, 14, 7, 6, 7, + 9, 6, 10, 11, 7, 8, 7, 5, 14, 8, + 4, 4, 0, 8, 7, 10, 0, 8, 14, 11, + 3, 12, 5, 7, 14, 3, 14, 5, 2, 6, + 11, 12, 12, 8, 0, 11, 13, 1, 2, 0, + 5, 10, 14, 7, 8, 0, 4, 11, 0, 8, + 0, 3, 10, 5, 8, 0, 11, 6, 7, 8, + 10, 7, 13, 9, 2, 5, 1, 5, 10, 2, + 4, 3, 5, 6, 10, 8, 9, 4, 11, 14, + 3, 8, 3, 7, 8, 5, 11, 4, 12, 3, + 11, 9, 14, 8, 14, 13, 4, 3, 1, 2, + 14, 6, 5, 4, 4, 11, 4, 6, 2, 1, + 5, 8, 8, 12, 13, 5, 14, 10, 12, 13, + 0, 9, 5, 5, 11, 10, 13, 9, 10, 13, +}; + +extern void vp8_blit_text(const char *msg, unsigned char *address, const int pitch); +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 = cols; i<cols+17; i++) + s[i]=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 = rows; i < rows+17; i++) + s[i*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; + } + + s[-8*pitch] = d[(r-8)&15]; + s += pitch; + } + } +} + +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; + + vpx_memset(ylptr, mb_ppl, 16); + vpx_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); + } +} + +#if !(CONFIG_TEMPORAL_DENOISING) +void vp8_de_noise(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); + int mb_rows = source->y_width >> 4; + int mb_cols = source->y_height >> 4; + unsigned char *limits = cm->pp_limits_buffer;; + int mbr, mbc; + (void) post; + (void) low_var_thresh; + (void) flag; + + vpx_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); + + 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); + } +} +#endif + +double vp8_gaussian(double sigma, double mu, double x) +{ + return 1 / (sigma * sqrt(2.0 * 3.14159265)) * + (exp(-(x - mu) * (x - mu) / (2 * sigma * sigma))); +} + +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 * 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 frame_rate: %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 |