libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_postproc.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
 
 #include "./vpx_config.h"
 #include "./vpx_scale_rtcd.h"
 #include "./vp9_rtcd.h"
 
 #include "vpx_scale/vpx_scale.h"
 #include "vpx_scale/yv12config.h"
 
 #include "vp9/common/vp9_onyxc_int.h"
 #include "vp9/common/vp9_postproc.h"
 #include "vp9/common/vp9_systemdependent.h"
 #include "vp9/common/vp9_textblit.h"
 
-#define RGB_TO_YUV(t)                                            \
-  ( (0.257*(float)(t >> 16))  + (0.504*(float)(t >> 8 & 0xff)) + \
-    (0.098*(float)(t & 0xff)) + 16),                             \
-  (-(0.148*(float)(t >> 16))  - (0.291*(float)(t >> 8 & 0xff)) + \
-    (0.439*(float)(t & 0xff)) + 128),                            \
-  ( (0.439*(float)(t >> 16))  - (0.368*(float)(t >> 8 & 0xff)) - \
-    (0.071*(float)(t & 0xff)) + 128)
-
-/* global constants */
-#if 0 && CONFIG_POSTPROC_VISUALIZER
-static const unsigned char PREDICTION_MODE_colors[MB_MODE_COUNT][3] = {
-  { RGB_TO_YUV(0x98FB98) },   /* PaleGreen */
-  { RGB_TO_YUV(0x00FF00) },   /* Green */
-  { RGB_TO_YUV(0xADFF2F) },   /* GreenYellow */
-  { RGB_TO_YUV(0x8F0000) },   /* Dark Red */
-  { RGB_TO_YUV(0x008F8F) },   /* Dark Cyan */
-  { RGB_TO_YUV(0x008F8F) },   /* Dark Cyan */
-  { RGB_TO_YUV(0x008F8F) },   /* Dark Cyan */
-  { RGB_TO_YUV(0x8F0000) },   /* Dark Red */
-  { RGB_TO_YUV(0x8F0000) },   /* Dark Red */
-  { RGB_TO_YUV(0x228B22) },   /* ForestGreen */
-  { RGB_TO_YUV(0x006400) },   /* DarkGreen */
-  { RGB_TO_YUV(0x98F5FF) },   /* Cadet Blue */
-  { RGB_TO_YUV(0x6CA6CD) },   /* Sky Blue */
-  { RGB_TO_YUV(0x00008B) },   /* Dark blue */
-  { RGB_TO_YUV(0x551A8B) },   /* Purple */
-  { RGB_TO_YUV(0xFF0000) }    /* Red */
-  { RGB_TO_YUV(0xCC33FF) },   /* Magenta */
-};
-
-static const unsigned char B_PREDICTION_MODE_colors[INTRA_MODES][3] = {
-  { RGB_TO_YUV(0x6633ff) },   /* Purple */
-  { RGB_TO_YUV(0xcc33ff) },   /* Magenta */
-  { RGB_TO_YUV(0xff33cc) },   /* Pink */
-  { RGB_TO_YUV(0xff3366) },   /* Coral */
-  { RGB_TO_YUV(0x3366ff) },   /* Blue */
-  { RGB_TO_YUV(0xed00f5) },   /* Dark Blue */
-  { RGB_TO_YUV(0x2e00b8) },   /* Dark Purple */
-  { RGB_TO_YUV(0xff6633) },   /* Orange */
-  { RGB_TO_YUV(0x33ccff) },   /* Light Blue */
-  { RGB_TO_YUV(0x8ab800) },   /* Green */
-  { RGB_TO_YUV(0xffcc33) },   /* Light Orange */
-  { RGB_TO_YUV(0x33ffcc) },   /* Aqua */
-  { RGB_TO_YUV(0x66ff33) },   /* Light Green */
-  { RGB_TO_YUV(0xccff33) },   /* Yellow */
-};
-
-static const unsigned char MV_REFERENCE_FRAME_colors[MAX_REF_FRAMES][3] = {
-  { RGB_TO_YUV(0x00ff00) },   /* Blue */
-  { RGB_TO_YUV(0x0000ff) },   /* Green */
-  { RGB_TO_YUV(0xffff00) },   /* Yellow */
-  { RGB_TO_YUV(0xff0000) },   /* Red */
-};
-#endif
-
+#if CONFIG_VP9_POSTPROC
 static const short kernel5[] = {
   1, 1, 4, 1, 1
 };
 
 const short vp9_rv[] = {
   8, 5, 2, 2, 8, 12, 4, 9, 8, 3,
   0, 3, 9, 0, 0, 0, 8, 3, 14, 4,
   10, 1, 11, 14, 1, 14, 9, 6, 12, 11,
   8, 6, 10, 0, 0, 8, 9, 0, 3, 14,
   8, 11, 13, 4, 2, 9, 0, 3, 9, 6,
@@ skipping 349 matching lines @@
         pos[j] = blackclamp[0];
 
       if (pos[j] > 255 + whiteclamp[0])
         pos[j] = 255 + whiteclamp[0];
 
       pos[j] += ref[j];
     }
   }
 }
 
-/* Blend the macro block with a solid colored square.  Leave the
- * edges unblended to give distinction to macro blocks in areas
- * filled with the same color block.
- */
-void vp9_blend_mb_inner_c(uint8_t *y, uint8_t *u, uint8_t *v,
-                          int y1, int u1, int v1, int alpha, int stride) {
-  int i, j;
-  int y1_const = y1 * ((1 << 16) - alpha);
-  int u1_const = u1 * ((1 << 16) - alpha);
-  int v1_const = v1 * ((1 << 16) - alpha);
-
-  y += 2 * stride + 2;
-  for (i = 0; i < 12; i++) {
-    for (j = 0; j < 12; j++) {
-      y[j] = (y[j] * alpha + y1_const) >> 16;
-    }
-    y += stride;
-  }
-
-  stride >>= 1;
-
-  u += stride + 1;
-  v += stride + 1;
-
-  for (i = 0; i < 6; i++) {
-    for (j = 0; j < 6; j++) {
-      u[j] = (u[j] * alpha + u1_const) >> 16;
-      v[j] = (v[j] * alpha + v1_const) >> 16;
-    }
-    u += stride;
-    v += stride;
-  }
-}
-
-/* Blend only the edge of the macro block.  Leave center
- * unblended to allow for other visualizations to be layered.
- */
-void vp9_blend_mb_outer_c(uint8_t *y, uint8_t *u, uint8_t *v,
-                          int y1, int u1, int v1, int alpha, int stride) {
-  int i, j;
-  int y1_const = y1 * ((1 << 16) - alpha);
-  int u1_const = u1 * ((1 << 16) - alpha);
-  int v1_const = v1 * ((1 << 16) - alpha);
-
-  for (i = 0; i < 2; i++) {
-    for (j = 0; j < 16; j++) {
-      y[j] = (y[j] * alpha + y1_const) >> 16;
-    }
-    y += stride;
-  }
-
-  for (i = 0; i < 12; i++) {
-    y[0]  = (y[0] * alpha  + y1_const) >> 16;
-    y[1]  = (y[1] * alpha  + y1_const) >> 16;
-    y[14] = (y[14] * alpha + y1_const) >> 16;
-    y[15] = (y[15] * alpha + y1_const) >> 16;
-    y += stride;
-  }
-
-  for (i = 0; i < 2; i++) {
-    for (j = 0; j < 16; j++) {
-      y[j] = (y[j] * alpha + y1_const) >> 16;
-    }
-    y += stride;
-  }
-
-  stride >>= 1;
-
-  for (j = 0; j < 8; j++) {
-    u[j] = (u[j] * alpha + u1_const) >> 16;
-    v[j] = (v[j] * alpha + v1_const) >> 16;
-  }
-  u += stride;
-  v += stride;
-
-  for (i = 0; i < 6; i++) {
-    u[0] = (u[0] * alpha + u1_const) >> 16;
-    v[0] = (v[0] * alpha + v1_const) >> 16;
-
-    u[7] = (u[7] * alpha + u1_const) >> 16;
-    v[7] = (v[7] * alpha + v1_const) >> 16;
-
-    u += stride;
-    v += stride;
-  }
-
-  for (j = 0; j < 8; j++) {
-    u[j] = (u[j] * alpha + u1_const) >> 16;
-    v[j] = (v[j] * alpha + v1_const) >> 16;
-  }
-}
-
-void vp9_blend_b_c(uint8_t *y, uint8_t *u, uint8_t *v,
-                   int y1, int u1, int v1, int alpha, int stride) {
-  int i, j;
-  int y1_const = y1 * ((1 << 16) - alpha);
-  int u1_const = u1 * ((1 << 16) - alpha);
-  int v1_const = v1 * ((1 << 16) - alpha);
-
-  for (i = 0; i < 4; i++) {
-    for (j = 0; j < 4; j++) {
-      y[j] = (y[j] * alpha + y1_const) >> 16;
-    }
-    y += stride;
-  }
-
-  stride >>= 1;
-
-  for (i = 0; i < 2; i++) {
-    for (j = 0; j < 2; j++) {
-      u[j] = (u[j] * alpha + u1_const) >> 16;
-      v[j] = (v[j] * alpha + v1_const) >> 16;
-    }
-    u += stride;
-    v += stride;
-  }
-}
-
-static void constrain_line(int x0, int *x1, int y0, int *y1,
-                           int width, int height) {
-  int dx;
-  int dy;
-
-  if (*x1 > width) {
-    dx = *x1 - x0;
-    dy = *y1 - y0;
-
-    *x1 = width;
-    if (dx)
-      *y1 = ((width - x0) * dy) / dx + y0;
-  }
-  if (*x1 < 0) {
-    dx = *x1 - x0;
-    dy = *y1 - y0;
-
-    *x1 = 0;
-    if (dx)
-      *y1 = ((0 - x0) * dy) / dx + y0;
-  }
-  if (*y1 > height) {
-    dx = *x1 - x0;
-    dy = *y1 - y0;
-
-    *y1 = height;
-    if (dy)
-      *x1 = ((height - y0) * dx) / dy + x0;
-  }
-  if (*y1 < 0) {
-    dx = *x1 - x0;
-    dy = *y1 - y0;
-
-    *y1 = 0;
-    if (dy)
-      *x1 = ((0 - y0) * dx) / dy + x0;
-  }
-}
-
 int vp9_post_proc_frame(struct VP9Common *cm,
                         YV12_BUFFER_CONFIG *dest, vp9_ppflags_t *ppflags) {
   const int q = MIN(63, cm->lf.filter_level * 10 / 6);
   const int flags = ppflags->post_proc_flag;
   YV12_BUFFER_CONFIG *const ppbuf = &cm->post_proc_buffer;
   struct postproc_state *const ppstate = &cm->postproc_state;
 
   if (!cm->frame_to_show)
     return -1;
 
@@ skipping 18 matching lines @@
     if (ppstate->last_q != q ||
         ppstate->last_noise != noise_level) {
       fillrd(ppstate, 63 - q, noise_level);
     }
 
     vp9_plane_add_noise(ppbuf->y_buffer, ppstate->noise, ppstate->blackclamp,
                         ppstate->whiteclamp, ppstate->bothclamp,
                         ppbuf->y_width, ppbuf->y_height, ppbuf->y_stride);
   }
 
-#if 0 && CONFIG_POSTPROC_VISUALIZER
-  if (flags & VP9D_DEBUG_TXT_FRAME_INFO) {
-    char message[512];
-    snprintf(message, sizeof(message) -1,
-             "F%1dG%1dQ%3dF%3dP%d_s%dx%d",
-             (cm->frame_type == KEY_FRAME),
-             cm->refresh_golden_frame,
-             cm->base_qindex,
-             cm->filter_level,
-             flags,
-             cm->mb_cols, cm->mb_rows);
-    vp9_blit_text(message, ppbuf->y_buffer, ppbuf->y_stride);
-  }
-
-  if (flags & VP9D_DEBUG_TXT_MBLK_MODES) {
-    int i, j;
-    uint8_t *y_ptr;
-    int mb_rows = ppbuf->y_height >> 4;
-    int mb_cols = ppbuf->y_width  >> 4;
-    int mb_index = 0;
-    MODE_INFO *mi = cm->mi;
-
-    y_ptr = post->y_buffer + 4 * post->y_stride + 4;
-
-    /* vp9_filter each macro block */
-    for (i = 0; i < mb_rows; i++) {
-      for (j = 0; j < mb_cols; j++) {
-        char zz[4];
-
-        snprintf(zz, sizeof(zz) - 1, "%c", mi[mb_index].mbmi.mode + 'a');
-
-        vp9_blit_text(zz, y_ptr, post->y_stride);
-        mb_index++;
-        y_ptr += 16;
-      }
-
-      mb_index++; /* border */
-      y_ptr += post->y_stride  * 16 - post->y_width;
-    }
-  }
-
-  if (flags & VP9D_DEBUG_TXT_DC_DIFF) {
-    int i, j;
-    uint8_t *y_ptr;
-    int mb_rows = ppbuf->y_height >> 4;
-    int mb_cols = ppbuf->y_width  >> 4;
-    int mb_index = 0;
-    MODE_INFO *mi = cm->mi;
-
-    y_ptr = post->y_buffer + 4 * post->y_stride + 4;
-
-    /* vp9_filter each macro block */
-    for (i = 0; i < mb_rows; i++) {
-      for (j = 0; j < mb_cols; j++) {
-        char zz[4];
-        int dc_diff = !(mi[mb_index].mbmi.mode != I4X4_PRED &&
-                        mi[mb_index].mbmi.mode != SPLITMV &&
-                        mi[mb_index].mbmi.skip);
-
-        if (cm->frame_type == KEY_FRAME)
-          snprintf(zz, sizeof(zz) - 1, "a");
-        else
-          snprintf(zz, sizeof(zz) - 1, "%c", dc_diff + '0');
-
-        vp9_blit_text(zz, y_ptr, post->y_stride);
-        mb_index++;
-        y_ptr += 16;
-      }
-
-      mb_index++; /* border */
-      y_ptr += post->y_stride  * 16 - post->y_width;
-    }
-  }
-
-  if (flags & VP9D_DEBUG_TXT_RATE_INFO) {
-    char message[512];
-    snprintf(message, sizeof(message),
-             "Bitrate: %10.2f framerate: %10.2f ",
-             cm->bitrate, cm->framerate);
-    vp9_blit_text(message, ppbuf->y_buffer, ppbuf->y_stride);
-  }
-
-  /* Draw motion vectors */
-  if ((flags & VP9D_DEBUG_DRAW_MV) && ppflags->display_mv_flag) {
-    int width  = ppbuf->y_width;
-    int height = ppbuf->y_height;
-    uint8_t *y_buffer = ppbuf->y_buffer;
-    int y_stride = ppbuf->y_stride;
-    MODE_INFO *mi = cm->mi;
-    int x0, y0;
-
-    for (y0 = 0; y0 < height; y0 += 16) {
-      for (x0 = 0; x0 < width; x0 += 16) {
-        int x1, y1;
-
-        if (!(ppflags->display_mv_flag & (1 << mi->mbmi.mode))) {
-          mi++;
-          continue;
-        }
-
-        if (mi->mbmi.mode == SPLITMV) {
-          switch (mi->mbmi.partitioning) {
-            case PARTITIONING_16X8 : {  /* mv_top_bottom */
-              union b_mode_info *bmi = &mi->bmi[0];
-              MV *mv = &bmi->mv.as_mv;
-
-              x1 = x0 + 8 + (mv->col >> 3);
-              y1 = y0 + 4 + (mv->row >> 3);
-
-              constrain_line(x0 + 8, &x1, y0 + 4, &y1, width, height);
-              vp9_blit_line(x0 + 8,  x1, y0 + 4,  y1, y_buffer, y_stride);
-
-              bmi = &mi->bmi[8];
-
-              x1 = x0 + 8 + (mv->col >> 3);
-              y1 = y0 + 12 + (mv->row >> 3);
-
-              constrain_line(x0 + 8, &x1, y0 + 12, &y1, width, height);
-              vp9_blit_line(x0 + 8,  x1, y0 + 12,  y1, y_buffer, y_stride);
-
-              break;
-            }
-            case PARTITIONING_8X16 : {  /* mv_left_right */
-              union b_mode_info *bmi = &mi->bmi[0];
-              MV *mv = &bmi->mv.as_mv;
-
-              x1 = x0 + 4 + (mv->col >> 3);
-              y1 = y0 + 8 + (mv->row >> 3);
-
-              constrain_line(x0 + 4, &x1, y0 + 8, &y1, width, height);
-              vp9_blit_line(x0 + 4,  x1, y0 + 8,  y1, y_buffer, y_stride);
-
-              bmi = &mi->bmi[2];
-
-              x1 = x0 + 12 + (mv->col >> 3);
-              y1 = y0 + 8 + (mv->row >> 3);
-
-              constrain_line(x0 + 12, &x1, y0 + 8, &y1, width, height);
-              vp9_blit_line(x0 + 12,  x1, y0 + 8,  y1, y_buffer, y_stride);
-
-              break;
-            }
-            case PARTITIONING_8X8 : {  /* mv_quarters   */
-              union b_mode_info *bmi = &mi->bmi[0];
-              MV *mv = &bmi->mv.as_mv;
-
-              x1 = x0 + 4 + (mv->col >> 3);
-              y1 = y0 + 4 + (mv->row >> 3);
-
-              constrain_line(x0 + 4, &x1, y0 + 4, &y1, width, height);
-              vp9_blit_line(x0 + 4,  x1, y0 + 4,  y1, y_buffer, y_stride);
-
-              bmi = &mi->bmi[2];
-
-              x1 = x0 + 12 + (mv->col >> 3);
-              y1 = y0 + 4 + (mv->row >> 3);
-
-              constrain_line(x0 + 12, &x1, y0 + 4, &y1, width, height);
-              vp9_blit_line(x0 + 12,  x1, y0 + 4,  y1, y_buffer, y_stride);
-
-              bmi = &mi->bmi[8];
-
-              x1 = x0 + 4 + (mv->col >> 3);
-              y1 = y0 + 12 + (mv->row >> 3);
-
-              constrain_line(x0 + 4, &x1, y0 + 12, &y1, width, height);
-              vp9_blit_line(x0 + 4,  x1, y0 + 12,  y1, y_buffer, y_stride);
-
-              bmi = &mi->bmi[10];
-
-              x1 = x0 + 12 + (mv->col >> 3);
-              y1 = y0 + 12 + (mv->row >> 3);
-
-              constrain_line(x0 + 12, &x1, y0 + 12, &y1, width, height);
-              vp9_blit_line(x0 + 12,  x1, y0 + 12,  y1, y_buffer, y_stride);
-              break;
-            }
-            case PARTITIONING_4X4:
-            default : {
-              union b_mode_info *bmi = mi->bmi;
-              int bx0, by0;
-
-              for (by0 = y0; by0 < (y0 + 16); by0 += 4) {
-                for (bx0 = x0; bx0 < (x0 + 16); bx0 += 4) {
-                  MV *mv = &bmi->mv.as_mv;
-
-                  x1 = bx0 + 2 + (mv->col >> 3);
-                  y1 = by0 + 2 + (mv->row >> 3);
-
-                  constrain_line(bx0 + 2, &x1, by0 + 2, &y1, width, height);
-                  vp9_blit_line(bx0 + 2,  x1, by0 + 2,  y1, y_buffer, y_stride);
-
-                  bmi++;
-                }
-              }
-            }
-          }
-        } else if (is_inter_mode(mi->mbmi.mode)) {
-          MV *mv = &mi->mbmi.mv.as_mv;
-          const int lx0 = x0 + 8;
-          const int ly0 = y0 + 8;
-
-          x1 = lx0 + (mv->col >> 3);
-          y1 = ly0 + (mv->row >> 3);
-
-          if (x1 != lx0 && y1 != ly0) {
-            constrain_line(lx0, &x1, ly0 - 1, &y1, width, height);
-            vp9_blit_line(lx0,  x1, ly0 - 1,  y1, y_buffer, y_stride);
-
-            constrain_line(lx0, &x1, ly0 + 1, &y1, width, height);
-            vp9_blit_line(lx0,  x1, ly0 + 1,  y1, y_buffer, y_stride);
-          } else {
-            vp9_blit_line(lx0,  x1, ly0,  y1, y_buffer, y_stride);
-          }
-        }
-
-        mi++;
-      }
-      mi++;
-    }
-  }
-
-  /* Color in block modes */
-  if ((flags & VP9D_DEBUG_CLR_BLK_MODES)
-      && (ppflags->display_mb_modes_flag || ppflags->display_b_modes_flag)) {
-    int y, x;
-    int width  = ppbuf->y_width;
-    int height = ppbuf->y_height;
-    uint8_t *y_ptr = ppbuf->y_buffer;
-    uint8_t *u_ptr = ppbuf->u_buffer;
-    uint8_t *v_ptr = ppbuf->v_buffer;
-    int y_stride = ppbuf->y_stride;
-    MODE_INFO *mi = cm->mi;
-
-    for (y = 0; y < height; y += 16) {
-      for (x = 0; x < width; x += 16) {
-        int Y = 0, U = 0, V = 0;
-
-        if (mi->mbmi.mode == I4X4_PRED &&
-            ((ppflags->display_mb_modes_flag & I4X4_PRED) ||
-             ppflags->display_b_modes_flag)) {
-          int by, bx;
-          uint8_t *yl, *ul, *vl;
-          union b_mode_info *bmi = mi->bmi;
-
-          yl = y_ptr + x;
-          ul = u_ptr + (x >> 1);
-          vl = v_ptr + (x >> 1);
-
-          for (by = 0; by < 16; by += 4) {
-            for (bx = 0; bx < 16; bx += 4) {
-              if ((ppflags->display_b_modes_flag & (1 << mi->mbmi.mode))
-                  || (ppflags->display_mb_modes_flag & I4X4_PRED)) {
-                Y = B_PREDICTION_MODE_colors[bmi->as_mode][0];
-                U = B_PREDICTION_MODE_colors[bmi->as_mode][1];
-                V = B_PREDICTION_MODE_colors[bmi->as_mode][2];
-
-                vp9_blend_b(yl + bx, ul + (bx >> 1), vl + (bx >> 1), Y, U, V,
-                    0xc000, y_stride);
-              }
-              bmi++;
-            }
-
-            yl += y_stride * 4;
-            ul += y_stride * 1;
-            vl += y_stride * 1;
-          }
-        } else if (ppflags->display_mb_modes_flag & (1 << mi->mbmi.mode)) {
-          Y = PREDICTION_MODE_colors[mi->mbmi.mode][0];
-          U = PREDICTION_MODE_colors[mi->mbmi.mode][1];
-          V = PREDICTION_MODE_colors[mi->mbmi.mode][2];
-
-          vp9_blend_mb_inner(y_ptr + x, u_ptr + (x >> 1), v_ptr + (x >> 1),
-                             Y, U, V, 0xc000, y_stride);
-        }
-
-        mi++;
-      }
-      y_ptr += y_stride * 16;
-      u_ptr += y_stride * 4;
-      v_ptr += y_stride * 4;
-
-      mi++;
-    }
-  }
-
-  /* Color in frame reference blocks */
-  if ((flags & VP9D_DEBUG_CLR_FRM_REF_BLKS) &&
-      ppflags->display_ref_frame_flag) {
-    int y, x;
-    int width  = ppbuf->y_width;
-    int height = ppbuf->y_height;
-    uint8_t *y_ptr = ppbuf->y_buffer;
-    uint8_t *u_ptr = ppbuf->u_buffer;
-    uint8_t *v_ptr = ppbuf->v_buffer;
-    int y_stride = ppbuf->y_stride;
-    MODE_INFO *mi = cm->mi;
-
-    for (y = 0; y < height; y += 16) {
-      for (x = 0; x < width; x += 16) {
-        int Y = 0, U = 0, V = 0;
-
-        if (ppflags->display_ref_frame_flag & (1 << mi->mbmi.ref_frame)) {
-          Y = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][0];
-          U = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][1];
-          V = MV_REFERENCE_FRAME_colors[mi->mbmi.ref_frame][2];
-
-          vp9_blend_mb_outer(y_ptr + x, u_ptr + (x >> 1), v_ptr + (x >> 1),
-                             Y, U, V, 0xc000, y_stride);
-        }
-
-        mi++;
-      }
-      y_ptr += y_stride * 16;
-      u_ptr += y_stride * 4;
-      v_ptr += y_stride * 4;
-
-      mi++;
-    }
-  }
-#endif
-
   *dest = *ppbuf;
 
   /* handle problem with extending borders */
   dest->y_width = cm->width;
   dest->y_height = cm->height;
   dest->uv_width = dest->y_width >> cm->subsampling_x;
   dest->uv_height = dest->y_height >> cm->subsampling_y;
 
   return 0;
 }
+#endif