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Unified Diff: third_party/libvpx/source/libvpx/vp8/common/postproc.c

Issue 1158913006: Move libvpx from DEPS to src (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add DEPS file with #include paths Created 5 years, 7 months ago
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Index: third_party/libvpx/source/libvpx/vp8/common/postproc.c
diff --git a/third_party/libvpx/source/libvpx/vp8/common/postproc.c b/third_party/libvpx/source/libvpx/vp8/common/postproc.c
new file mode 100644
index 0000000000000000000000000000000000000000..266431a32404e65ccf5fcb05b48e600b78338c7d
--- /dev/null
+++ b/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
+
+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);
+ }
+ }
+}
+
+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;
+ (void)bothclamp;
+
+ 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
+ */
+ 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
« third_party/libvpx/DEPS ('K') | « third_party/libvpx/source/libvpx/vp8/common/postproc.h ('k') | third_party/libvpx/source/libvpx/vp8/common/ppflags.h » ('j') | no next file with comments »

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