Add m-esr52 at 52.6.0

1 files changed, 280 insertions, 0 deletions

diff --git a/media/libvpx/vp8/common/reconintra.c b/media/libvpx/vp8/common/reconintra.c
new file mode 100644
index 000000000..0a6c51b35
--- /dev/null
+++ b/media/libvpx/vp8/common/reconintra.c
@@ -0,0 +1,280 @@
+/*
+ *  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_mem/vpx_mem.h"
+#include "blockd.h"
+
+void vp8_build_intra_predictors_mby_s_c(MACROBLOCKD *x,
+                                          unsigned char * yabove_row,
+                                          unsigned char * yleft,
+                                          int left_stride,
+                                          unsigned char * ypred_ptr,
+                                          int y_stride)
+{
+    unsigned char yleft_col[16];
+    unsigned char ytop_left = yabove_row[-1];
+    int r, c, i;
+
+    for (i = 0; i < 16; i++)
+    {
+        yleft_col[i] = yleft[i* left_stride];
+    }
+
+    /* for Y */
+    switch (x->mode_info_context->mbmi.mode)
+    {
+    case DC_PRED:
+    {
+        int expected_dc;
+        int shift;
+        int average = 0;
+
+
+        if (x->up_available || x->left_available)
+        {
+            if (x->up_available)
+            {
+                for (i = 0; i < 16; i++)
+                {
+                    average += yabove_row[i];
+                }
+            }
+
+            if (x->left_available)
+            {
+
+                for (i = 0; i < 16; i++)
+                {
+                    average += yleft_col[i];
+                }
+
+            }
+
+
+
+            shift = 3 + x->up_available + x->left_available;
+            expected_dc = (average + (1 << (shift - 1))) >> shift;
+        }
+        else
+        {
+            expected_dc = 128;
+        }
+
+        /*memset(ypred_ptr, expected_dc, 256);*/
+        for (r = 0; r < 16; r++)
+        {
+            memset(ypred_ptr, expected_dc, 16);
+            ypred_ptr += y_stride;
+        }
+    }
+    break;
+    case V_PRED:
+    {
+
+        for (r = 0; r < 16; r++)
+        {
+
+            ((int *)ypred_ptr)[0] = ((int *)yabove_row)[0];
+            ((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
+            ((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
+            ((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
+            ypred_ptr += y_stride;
+        }
+    }
+    break;
+    case H_PRED:
+    {
+
+        for (r = 0; r < 16; r++)
+        {
+
+            memset(ypred_ptr, yleft_col[r], 16);
+            ypred_ptr += y_stride;
+        }
+
+    }
+    break;
+    case TM_PRED:
+    {
+
+        for (r = 0; r < 16; r++)
+        {
+            for (c = 0; c < 16; c++)
+            {
+                int pred =  yleft_col[r] + yabove_row[ c] - ytop_left;
+
+                if (pred < 0)
+                    pred = 0;
+
+                if (pred > 255)
+                    pred = 255;
+
+                ypred_ptr[c] = pred;
+            }
+
+            ypred_ptr += y_stride;
+        }
+
+    }
+    break;
+    case B_PRED:
+    case NEARESTMV:
+    case NEARMV:
+    case ZEROMV:
+    case NEWMV:
+    case SPLITMV:
+    case MB_MODE_COUNT:
+        break;
+    }
+}
+
+void vp8_build_intra_predictors_mbuv_s_c(MACROBLOCKD *x,
+                                         unsigned char * uabove_row,
+                                         unsigned char * vabove_row,
+                                         unsigned char * uleft,
+                                         unsigned char * vleft,
+                                         int left_stride,
+                                         unsigned char * upred_ptr,
+                                         unsigned char * vpred_ptr,
+                                         int pred_stride)
+{
+    unsigned char uleft_col[8];
+    unsigned char utop_left = uabove_row[-1];
+    unsigned char vleft_col[8];
+    unsigned char vtop_left = vabove_row[-1];
+
+    int i, j;
+
+    for (i = 0; i < 8; i++)
+    {
+        uleft_col[i] = uleft [i* left_stride];
+        vleft_col[i] = vleft [i* left_stride];
+    }
+
+    switch (x->mode_info_context->mbmi.uv_mode)
+    {
+    case DC_PRED:
+    {
+        int expected_udc;
+        int expected_vdc;
+        int shift;
+        int Uaverage = 0;
+        int Vaverage = 0;
+
+        if (x->up_available)
+        {
+            for (i = 0; i < 8; i++)
+            {
+                Uaverage += uabove_row[i];
+                Vaverage += vabove_row[i];
+            }
+        }
+
+        if (x->left_available)
+        {
+            for (i = 0; i < 8; i++)
+            {
+                Uaverage += uleft_col[i];
+                Vaverage += vleft_col[i];
+            }
+        }
+
+        if (!x->up_available && !x->left_available)
+        {
+            expected_udc = 128;
+            expected_vdc = 128;
+        }
+        else
+        {
+            shift = 2 + x->up_available + x->left_available;
+            expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
+            expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
+        }
+
+
+        /*memset(upred_ptr,expected_udc,64);*/
+        /*memset(vpred_ptr,expected_vdc,64);*/
+        for (i = 0; i < 8; i++)
+        {
+            memset(upred_ptr, expected_udc, 8);
+            memset(vpred_ptr, expected_vdc, 8);
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
+        }
+    }
+    break;
+    case V_PRED:
+    {
+        for (i = 0; i < 8; i++)
+        {
+            memcpy(upred_ptr, uabove_row, 8);
+            memcpy(vpred_ptr, vabove_row, 8);
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
+        }
+
+    }
+    break;
+    case H_PRED:
+    {
+        for (i = 0; i < 8; i++)
+        {
+            memset(upred_ptr, uleft_col[i], 8);
+            memset(vpred_ptr, vleft_col[i], 8);
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
+        }
+    }
+
+    break;
+    case TM_PRED:
+    {
+        for (i = 0; i < 8; i++)
+        {
+            for (j = 0; j < 8; j++)
+            {
+                int predu = uleft_col[i] + uabove_row[j] - utop_left;
+                int predv = vleft_col[i] + vabove_row[j] - vtop_left;
+
+                if (predu < 0)
+                    predu = 0;
+
+                if (predu > 255)
+                    predu = 255;
+
+                if (predv < 0)
+                    predv = 0;
+
+                if (predv > 255)
+                    predv = 255;
+
+                upred_ptr[j] = predu;
+                vpred_ptr[j] = predv;
+            }
+
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
+        }
+
+    }
+    break;
+    case B_PRED:
+    case NEARESTMV:
+    case NEARMV:
+    case ZEROMV:
+    case NEWMV:
+    case SPLITMV:
+    case MB_MODE_COUNT:
+        break;
+    }
+}