mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
557 lines
12 KiB
C
557 lines
12 KiB
C
/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "vpx_ports/config.h"
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#include "recon.h"
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#include "reconintra.h"
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#include "vpx_mem/vpx_mem.h"
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// For skip_recon_mb(), add vp8_build_intra_predictors_mby_s(MACROBLOCKD *x) and
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// vp8_build_intra_predictors_mbuv_s(MACROBLOCKD *x).
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void vp8_recon_intra_mbuv(const vp8_recon_rtcd_vtable_t *rtcd, MACROBLOCKD *x)
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{
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int i;
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for (i = 16; i < 24; i += 2)
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{
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BLOCKD *b = &x->block[i];
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RECON_INVOKE(rtcd, recon2)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
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}
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}
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void vp8_build_intra_predictors_mby(MACROBLOCKD *x)
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{
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unsigned char *yabove_row = x->dst.y_buffer - x->dst.y_stride;
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unsigned char yleft_col[16];
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unsigned char ytop_left = yabove_row[-1];
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unsigned char *ypred_ptr = x->predictor;
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int r, c, i;
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for (i = 0; i < 16; i++)
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{
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yleft_col[i] = x->dst.y_buffer [i* x->dst.y_stride -1];
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}
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// for Y
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switch (x->mbmi.mode)
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{
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case DC_PRED:
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{
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int expected_dc;
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int i;
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int shift;
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int average = 0;
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if (x->up_available || x->left_available)
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{
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if (x->up_available)
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{
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for (i = 0; i < 16; i++)
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{
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average += yabove_row[i];
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}
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}
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if (x->left_available)
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{
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for (i = 0; i < 16; i++)
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{
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average += yleft_col[i];
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}
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}
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shift = 3 + x->up_available + x->left_available;
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expected_dc = (average + (1 << (shift - 1))) >> shift;
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}
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else
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{
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expected_dc = 128;
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}
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vpx_memset(ypred_ptr, expected_dc, 256);
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}
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break;
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case V_PRED:
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{
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for (r = 0; r < 16; r++)
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{
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((int *)ypred_ptr)[0] = ((int *)yabove_row)[0];
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((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
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((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
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((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
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ypred_ptr += 16;
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}
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}
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break;
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case H_PRED:
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{
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for (r = 0; r < 16; r++)
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{
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vpx_memset(ypred_ptr, yleft_col[r], 16);
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ypred_ptr += 16;
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}
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}
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break;
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case TM_PRED:
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{
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for (r = 0; r < 16; r++)
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{
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for (c = 0; c < 16; c++)
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{
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int pred = yleft_col[r] + yabove_row[ c] - ytop_left;
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if (pred < 0)
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pred = 0;
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if (pred > 255)
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pred = 255;
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ypred_ptr[c] = pred;
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}
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ypred_ptr += 16;
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x)
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{
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unsigned char *yabove_row = x->dst.y_buffer - x->dst.y_stride;
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unsigned char yleft_col[16];
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unsigned char ytop_left = yabove_row[-1];
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unsigned char *ypred_ptr = x->predictor;
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int r, c, i;
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int y_stride = x->dst.y_stride;
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ypred_ptr = x->dst.y_buffer; //x->predictor;
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for (i = 0; i < 16; i++)
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{
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yleft_col[i] = x->dst.y_buffer [i* x->dst.y_stride -1];
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}
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// for Y
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switch (x->mbmi.mode)
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{
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case DC_PRED:
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{
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int expected_dc;
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int i;
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int shift;
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int average = 0;
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if (x->up_available || x->left_available)
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{
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if (x->up_available)
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{
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for (i = 0; i < 16; i++)
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{
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average += yabove_row[i];
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}
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}
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if (x->left_available)
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{
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for (i = 0; i < 16; i++)
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{
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average += yleft_col[i];
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}
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}
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shift = 3 + x->up_available + x->left_available;
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expected_dc = (average + (1 << (shift - 1))) >> shift;
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}
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else
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{
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expected_dc = 128;
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}
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//vpx_memset(ypred_ptr, expected_dc, 256);
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for (r = 0; r < 16; r++)
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{
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vpx_memset(ypred_ptr, expected_dc, 16);
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ypred_ptr += y_stride; //16;
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}
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}
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break;
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case V_PRED:
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{
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for (r = 0; r < 16; r++)
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{
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((int *)ypred_ptr)[0] = ((int *)yabove_row)[0];
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((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
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((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
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((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
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ypred_ptr += y_stride; //16;
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}
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}
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break;
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case H_PRED:
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{
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for (r = 0; r < 16; r++)
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{
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vpx_memset(ypred_ptr, yleft_col[r], 16);
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ypred_ptr += y_stride; //16;
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}
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}
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break;
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case TM_PRED:
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{
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for (r = 0; r < 16; r++)
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{
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for (c = 0; c < 16; c++)
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{
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int pred = yleft_col[r] + yabove_row[ c] - ytop_left;
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if (pred < 0)
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pred = 0;
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if (pred > 255)
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pred = 255;
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ypred_ptr[c] = pred;
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}
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ypred_ptr += y_stride; //16;
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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void vp8_build_intra_predictors_mbuv(MACROBLOCKD *x)
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{
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unsigned char *uabove_row = x->dst.u_buffer - x->dst.uv_stride;
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unsigned char uleft_col[16];
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unsigned char utop_left = uabove_row[-1];
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unsigned char *vabove_row = x->dst.v_buffer - x->dst.uv_stride;
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unsigned char vleft_col[20];
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unsigned char vtop_left = vabove_row[-1];
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unsigned char *upred_ptr = &x->predictor[256];
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unsigned char *vpred_ptr = &x->predictor[320];
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int i, j;
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for (i = 0; i < 8; i++)
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{
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uleft_col[i] = x->dst.u_buffer [i* x->dst.uv_stride -1];
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vleft_col[i] = x->dst.v_buffer [i* x->dst.uv_stride -1];
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}
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switch (x->mbmi.uv_mode)
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{
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case DC_PRED:
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{
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int expected_udc;
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int expected_vdc;
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int i;
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int shift;
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int Uaverage = 0;
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int Vaverage = 0;
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if (x->up_available)
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{
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for (i = 0; i < 8; i++)
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{
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Uaverage += uabove_row[i];
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Vaverage += vabove_row[i];
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}
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}
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if (x->left_available)
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{
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for (i = 0; i < 8; i++)
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{
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Uaverage += uleft_col[i];
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Vaverage += vleft_col[i];
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}
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}
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if (!x->up_available && !x->left_available)
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{
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expected_udc = 128;
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expected_vdc = 128;
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}
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else
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{
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shift = 2 + x->up_available + x->left_available;
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expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
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expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
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}
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vpx_memset(upred_ptr, expected_udc, 64);
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vpx_memset(vpred_ptr, expected_vdc, 64);
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}
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break;
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case V_PRED:
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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vpx_memcpy(upred_ptr, uabove_row, 8);
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vpx_memcpy(vpred_ptr, vabove_row, 8);
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upred_ptr += 8;
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vpred_ptr += 8;
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}
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}
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break;
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case H_PRED:
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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vpx_memset(upred_ptr, uleft_col[i], 8);
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vpx_memset(vpred_ptr, vleft_col[i], 8);
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upred_ptr += 8;
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vpred_ptr += 8;
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}
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}
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break;
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case TM_PRED:
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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for (j = 0; j < 8; j++)
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{
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int predu = uleft_col[i] + uabove_row[j] - utop_left;
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int predv = vleft_col[i] + vabove_row[j] - vtop_left;
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if (predu < 0)
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predu = 0;
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if (predu > 255)
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predu = 255;
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if (predv < 0)
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predv = 0;
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if (predv > 255)
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predv = 255;
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upred_ptr[j] = predu;
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vpred_ptr[j] = predv;
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}
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upred_ptr += 8;
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vpred_ptr += 8;
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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void vp8_build_intra_predictors_mbuv_s(MACROBLOCKD *x)
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{
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unsigned char *uabove_row = x->dst.u_buffer - x->dst.uv_stride;
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unsigned char uleft_col[16];
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unsigned char utop_left = uabove_row[-1];
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unsigned char *vabove_row = x->dst.v_buffer - x->dst.uv_stride;
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unsigned char vleft_col[20];
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unsigned char vtop_left = vabove_row[-1];
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unsigned char *upred_ptr = x->dst.u_buffer; //&x->predictor[256];
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unsigned char *vpred_ptr = x->dst.v_buffer; //&x->predictor[320];
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int uv_stride = x->dst.uv_stride;
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int i, j;
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for (i = 0; i < 8; i++)
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{
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uleft_col[i] = x->dst.u_buffer [i* x->dst.uv_stride -1];
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vleft_col[i] = x->dst.v_buffer [i* x->dst.uv_stride -1];
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}
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switch (x->mbmi.uv_mode)
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{
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case DC_PRED:
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{
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int expected_udc;
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int expected_vdc;
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int i;
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int shift;
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int Uaverage = 0;
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int Vaverage = 0;
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if (x->up_available)
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{
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for (i = 0; i < 8; i++)
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{
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Uaverage += uabove_row[i];
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Vaverage += vabove_row[i];
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}
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}
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if (x->left_available)
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{
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for (i = 0; i < 8; i++)
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{
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Uaverage += uleft_col[i];
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Vaverage += vleft_col[i];
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}
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}
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if (!x->up_available && !x->left_available)
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{
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expected_udc = 128;
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expected_vdc = 128;
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}
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else
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{
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shift = 2 + x->up_available + x->left_available;
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expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
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expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
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}
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//vpx_memset(upred_ptr,expected_udc,64);
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//vpx_memset(vpred_ptr,expected_vdc,64);
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for (i = 0; i < 8; i++)
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{
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vpx_memset(upred_ptr, expected_udc, 8);
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vpx_memset(vpred_ptr, expected_vdc, 8);
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upred_ptr += uv_stride; //8;
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vpred_ptr += uv_stride; //8;
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}
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}
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break;
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case V_PRED:
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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vpx_memcpy(upred_ptr, uabove_row, 8);
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vpx_memcpy(vpred_ptr, vabove_row, 8);
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upred_ptr += uv_stride; //8;
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vpred_ptr += uv_stride; //8;
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}
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}
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break;
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case H_PRED:
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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vpx_memset(upred_ptr, uleft_col[i], 8);
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vpx_memset(vpred_ptr, vleft_col[i], 8);
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upred_ptr += uv_stride; //8;
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vpred_ptr += uv_stride; //8;
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}
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}
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break;
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case TM_PRED:
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{
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int i;
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for (i = 0; i < 8; i++)
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{
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for (j = 0; j < 8; j++)
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{
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int predu = uleft_col[i] + uabove_row[j] - utop_left;
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int predv = vleft_col[i] + vabove_row[j] - vtop_left;
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if (predu < 0)
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predu = 0;
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if (predu > 255)
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predu = 255;
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if (predv < 0)
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predv = 0;
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if (predv > 255)
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predv = 255;
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upred_ptr[j] = predu;
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vpred_ptr[j] = predv;
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}
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upred_ptr += uv_stride; //8;
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vpred_ptr += uv_stride; //8;
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}
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}
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break;
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case B_PRED:
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case NEARESTMV:
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case NEARMV:
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case ZEROMV:
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case NEWMV:
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case SPLITMV:
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case MB_MODE_COUNT:
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break;
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}
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}
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