544 lines
17 KiB
C
544 lines
17 KiB
C
/*
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* Copyright (c) 2010 The WebM 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 <limits.h>
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#include <string.h>
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#include "vpx_config.h"
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#include "vp8_rtcd.h"
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#include "vpx/vpx_integer.h"
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#include "blockd.h"
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#include "reconinter.h"
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#if CONFIG_RUNTIME_CPU_DETECT
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#include "onyxc_int.h"
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#endif
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void vp8_copy_mem16x16_c(
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unsigned char *src,
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int src_stride,
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unsigned char *dst,
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int dst_stride)
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{
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int r;
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for (r = 0; r < 16; r++)
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{
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memcpy(dst, src, 16);
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src += src_stride;
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dst += dst_stride;
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}
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}
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void vp8_copy_mem8x8_c(
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unsigned char *src,
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int src_stride,
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unsigned char *dst,
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int dst_stride)
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{
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int r;
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for (r = 0; r < 8; r++)
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{
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memcpy(dst, src, 8);
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src += src_stride;
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dst += dst_stride;
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}
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}
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void vp8_copy_mem8x4_c(
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unsigned char *src,
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int src_stride,
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unsigned char *dst,
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int dst_stride)
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{
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int r;
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for (r = 0; r < 4; r++)
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{
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memcpy(dst, src, 8);
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src += src_stride;
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dst += dst_stride;
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}
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}
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void vp8_build_inter_predictors_b(BLOCKD *d, int pitch, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf)
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{
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int r;
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unsigned char *pred_ptr = d->predictor;
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unsigned char *ptr;
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ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
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if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
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{
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sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, pred_ptr, pitch);
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}
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else
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{
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for (r = 0; r < 4; r++)
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{
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pred_ptr[0] = ptr[0];
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pred_ptr[1] = ptr[1];
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pred_ptr[2] = ptr[2];
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pred_ptr[3] = ptr[3];
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pred_ptr += pitch;
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ptr += pre_stride;
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}
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}
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}
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static void build_inter_predictors4b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride)
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{
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unsigned char *ptr;
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ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
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if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
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{
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x->subpixel_predict8x8(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
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}
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else
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{
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vp8_copy_mem8x8(ptr, pre_stride, dst, dst_stride);
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}
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}
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static void build_inter_predictors2b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride)
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{
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unsigned char *ptr;
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ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
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if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
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{
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x->subpixel_predict8x4(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
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}
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else
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{
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vp8_copy_mem8x4(ptr, pre_stride, dst, dst_stride);
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}
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}
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static void build_inter_predictors_b(BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf)
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{
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int r;
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unsigned char *ptr;
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ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3);
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if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
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{
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sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride);
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}
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else
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{
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for (r = 0; r < 4; r++)
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{
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dst[0] = ptr[0];
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dst[1] = ptr[1];
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dst[2] = ptr[2];
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dst[3] = ptr[3];
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dst += dst_stride;
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ptr += pre_stride;
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}
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}
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}
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/*encoder only*/
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void vp8_build_inter16x16_predictors_mbuv(MACROBLOCKD *x)
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{
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unsigned char *uptr, *vptr;
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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 mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
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int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
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int offset;
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int pre_stride = x->pre.uv_stride;
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/* calc uv motion vectors */
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mv_row += 1 | (mv_row >> (sizeof(int) * CHAR_BIT - 1));
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mv_col += 1 | (mv_col >> (sizeof(int) * CHAR_BIT - 1));
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mv_row /= 2;
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mv_col /= 2;
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mv_row &= x->fullpixel_mask;
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mv_col &= x->fullpixel_mask;
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offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
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uptr = x->pre.u_buffer + offset;
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vptr = x->pre.v_buffer + offset;
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if ((mv_row | mv_col) & 7)
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{
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x->subpixel_predict8x8(uptr, pre_stride, mv_col & 7, mv_row & 7, upred_ptr, 8);
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x->subpixel_predict8x8(vptr, pre_stride, mv_col & 7, mv_row & 7, vpred_ptr, 8);
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}
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else
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{
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vp8_copy_mem8x8(uptr, pre_stride, upred_ptr, 8);
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vp8_copy_mem8x8(vptr, pre_stride, vpred_ptr, 8);
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}
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}
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/*encoder only*/
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void vp8_build_inter4x4_predictors_mbuv(MACROBLOCKD *x)
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{
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int i, j;
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int pre_stride = x->pre.uv_stride;
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unsigned char *base_pre;
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/* build uv mvs */
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for (i = 0; i < 2; i++)
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{
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for (j = 0; j < 2; j++)
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{
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int yoffset = i * 8 + j * 2;
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int uoffset = 16 + i * 2 + j;
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int voffset = 20 + i * 2 + j;
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int temp;
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temp = x->block[yoffset ].bmi.mv.as_mv.row
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+ x->block[yoffset+1].bmi.mv.as_mv.row
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+ x->block[yoffset+4].bmi.mv.as_mv.row
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+ x->block[yoffset+5].bmi.mv.as_mv.row;
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temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
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x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask;
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temp = x->block[yoffset ].bmi.mv.as_mv.col
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+ x->block[yoffset+1].bmi.mv.as_mv.col
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+ x->block[yoffset+4].bmi.mv.as_mv.col
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+ x->block[yoffset+5].bmi.mv.as_mv.col;
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temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
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x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask;
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x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int;
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}
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}
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base_pre = x->pre.u_buffer;
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for (i = 16; i < 20; i += 2)
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{
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BLOCKD *d0 = &x->block[i];
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BLOCKD *d1 = &x->block[i+1];
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if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
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build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride);
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else
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{
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vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict);
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vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict);
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}
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}
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base_pre = x->pre.v_buffer;
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for (i = 20; i < 24; i += 2)
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{
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BLOCKD *d0 = &x->block[i];
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BLOCKD *d1 = &x->block[i+1];
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if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
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build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride);
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else
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{
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vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict);
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vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict);
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}
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}
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}
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/*encoder only*/
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void vp8_build_inter16x16_predictors_mby(MACROBLOCKD *x,
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unsigned char *dst_y,
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int dst_ystride)
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{
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unsigned char *ptr_base;
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unsigned char *ptr;
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int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
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int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
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int pre_stride = x->pre.y_stride;
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ptr_base = x->pre.y_buffer;
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ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
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if ((mv_row | mv_col) & 7)
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{
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x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7,
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dst_y, dst_ystride);
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}
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else
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{
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vp8_copy_mem16x16(ptr, pre_stride, dst_y,
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dst_ystride);
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}
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}
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static void clamp_mv_to_umv_border(MV *mv, const MACROBLOCKD *xd)
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{
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/* If the MV points so far into the UMV border that no visible pixels
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* are used for reconstruction, the subpel part of the MV can be
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* discarded and the MV limited to 16 pixels with equivalent results.
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*
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* This limit kicks in at 19 pixels for the top and left edges, for
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* the 16 pixels plus 3 taps right of the central pixel when subpel
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* filtering. The bottom and right edges use 16 pixels plus 2 pixels
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* left of the central pixel when filtering.
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*/
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if (mv->col < (xd->mb_to_left_edge - (19 << 3)))
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mv->col = xd->mb_to_left_edge - (16 << 3);
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else if (mv->col > xd->mb_to_right_edge + (18 << 3))
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mv->col = xd->mb_to_right_edge + (16 << 3);
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if (mv->row < (xd->mb_to_top_edge - (19 << 3)))
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mv->row = xd->mb_to_top_edge - (16 << 3);
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else if (mv->row > xd->mb_to_bottom_edge + (18 << 3))
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mv->row = xd->mb_to_bottom_edge + (16 << 3);
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}
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/* A version of the above function for chroma block MVs.*/
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static void clamp_uvmv_to_umv_border(MV *mv, const MACROBLOCKD *xd)
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{
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mv->col = (2*mv->col < (xd->mb_to_left_edge - (19 << 3))) ?
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(xd->mb_to_left_edge - (16 << 3)) >> 1 : mv->col;
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mv->col = (2*mv->col > xd->mb_to_right_edge + (18 << 3)) ?
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(xd->mb_to_right_edge + (16 << 3)) >> 1 : mv->col;
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mv->row = (2*mv->row < (xd->mb_to_top_edge - (19 << 3))) ?
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(xd->mb_to_top_edge - (16 << 3)) >> 1 : mv->row;
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mv->row = (2*mv->row > xd->mb_to_bottom_edge + (18 << 3)) ?
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(xd->mb_to_bottom_edge + (16 << 3)) >> 1 : mv->row;
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}
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void vp8_build_inter16x16_predictors_mb(MACROBLOCKD *x,
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unsigned char *dst_y,
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unsigned char *dst_u,
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unsigned char *dst_v,
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int dst_ystride,
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int dst_uvstride)
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{
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int offset;
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unsigned char *ptr;
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unsigned char *uptr, *vptr;
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int_mv _16x16mv;
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unsigned char *ptr_base = x->pre.y_buffer;
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int pre_stride = x->pre.y_stride;
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_16x16mv.as_int = x->mode_info_context->mbmi.mv.as_int;
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if (x->mode_info_context->mbmi.need_to_clamp_mvs)
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{
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clamp_mv_to_umv_border(&_16x16mv.as_mv, x);
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}
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ptr = ptr_base + ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
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if ( _16x16mv.as_int & 0x00070007)
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{
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x->subpixel_predict16x16(ptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_y, dst_ystride);
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}
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else
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{
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vp8_copy_mem16x16(ptr, pre_stride, dst_y, dst_ystride);
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}
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/* calc uv motion vectors */
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_16x16mv.as_mv.row += 1 | (_16x16mv.as_mv.row >> (sizeof(int) * CHAR_BIT - 1));
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_16x16mv.as_mv.col += 1 | (_16x16mv.as_mv.col >> (sizeof(int) * CHAR_BIT - 1));
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_16x16mv.as_mv.row /= 2;
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_16x16mv.as_mv.col /= 2;
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_16x16mv.as_mv.row &= x->fullpixel_mask;
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_16x16mv.as_mv.col &= x->fullpixel_mask;
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pre_stride >>= 1;
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offset = ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3);
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uptr = x->pre.u_buffer + offset;
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vptr = x->pre.v_buffer + offset;
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if ( _16x16mv.as_int & 0x00070007)
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{
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x->subpixel_predict8x8(uptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_u, dst_uvstride);
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x->subpixel_predict8x8(vptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_v, dst_uvstride);
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}
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else
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{
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vp8_copy_mem8x8(uptr, pre_stride, dst_u, dst_uvstride);
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vp8_copy_mem8x8(vptr, pre_stride, dst_v, dst_uvstride);
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}
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}
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static void build_inter4x4_predictors_mb(MACROBLOCKD *x)
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{
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int i;
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unsigned char *base_dst = x->dst.y_buffer;
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unsigned char *base_pre = x->pre.y_buffer;
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if (x->mode_info_context->mbmi.partitioning < 3)
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{
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BLOCKD *b;
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int dst_stride = x->dst.y_stride;
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x->block[ 0].bmi = x->mode_info_context->bmi[ 0];
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x->block[ 2].bmi = x->mode_info_context->bmi[ 2];
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x->block[ 8].bmi = x->mode_info_context->bmi[ 8];
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x->block[10].bmi = x->mode_info_context->bmi[10];
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if (x->mode_info_context->mbmi.need_to_clamp_mvs)
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{
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clamp_mv_to_umv_border(&x->block[ 0].bmi.mv.as_mv, x);
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clamp_mv_to_umv_border(&x->block[ 2].bmi.mv.as_mv, x);
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clamp_mv_to_umv_border(&x->block[ 8].bmi.mv.as_mv, x);
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clamp_mv_to_umv_border(&x->block[10].bmi.mv.as_mv, x);
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}
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b = &x->block[ 0];
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build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
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b = &x->block[ 2];
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build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
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b = &x->block[ 8];
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build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
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b = &x->block[10];
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build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride);
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}
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else
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{
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for (i = 0; i < 16; i += 2)
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{
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BLOCKD *d0 = &x->block[i];
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BLOCKD *d1 = &x->block[i+1];
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int dst_stride = x->dst.y_stride;
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x->block[i+0].bmi = x->mode_info_context->bmi[i+0];
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x->block[i+1].bmi = x->mode_info_context->bmi[i+1];
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if (x->mode_info_context->mbmi.need_to_clamp_mvs)
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{
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clamp_mv_to_umv_border(&x->block[i+0].bmi.mv.as_mv, x);
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clamp_mv_to_umv_border(&x->block[i+1].bmi.mv.as_mv, x);
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}
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if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
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build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
|
|
else
|
|
{
|
|
build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
|
|
build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
base_dst = x->dst.u_buffer;
|
|
base_pre = x->pre.u_buffer;
|
|
for (i = 16; i < 20; i += 2)
|
|
{
|
|
BLOCKD *d0 = &x->block[i];
|
|
BLOCKD *d1 = &x->block[i+1];
|
|
int dst_stride = x->dst.uv_stride;
|
|
|
|
/* Note: uv mvs already clamped in build_4x4uvmvs() */
|
|
|
|
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
|
|
build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
|
|
else
|
|
{
|
|
build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
|
|
build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
|
|
}
|
|
}
|
|
|
|
base_dst = x->dst.v_buffer;
|
|
base_pre = x->pre.v_buffer;
|
|
for (i = 20; i < 24; i += 2)
|
|
{
|
|
BLOCKD *d0 = &x->block[i];
|
|
BLOCKD *d1 = &x->block[i+1];
|
|
int dst_stride = x->dst.uv_stride;
|
|
|
|
/* Note: uv mvs already clamped in build_4x4uvmvs() */
|
|
|
|
if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
|
|
build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride);
|
|
else
|
|
{
|
|
build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
|
|
build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict);
|
|
}
|
|
}
|
|
}
|
|
|
|
static
|
|
void build_4x4uvmvs(MACROBLOCKD *x)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
for (j = 0; j < 2; j++)
|
|
{
|
|
int yoffset = i * 8 + j * 2;
|
|
int uoffset = 16 + i * 2 + j;
|
|
int voffset = 20 + i * 2 + j;
|
|
|
|
int temp;
|
|
|
|
temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.row
|
|
+ x->mode_info_context->bmi[yoffset + 1].mv.as_mv.row
|
|
+ x->mode_info_context->bmi[yoffset + 4].mv.as_mv.row
|
|
+ x->mode_info_context->bmi[yoffset + 5].mv.as_mv.row;
|
|
|
|
temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
|
|
|
|
x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask;
|
|
|
|
temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.col
|
|
+ x->mode_info_context->bmi[yoffset + 1].mv.as_mv.col
|
|
+ x->mode_info_context->bmi[yoffset + 4].mv.as_mv.col
|
|
+ x->mode_info_context->bmi[yoffset + 5].mv.as_mv.col;
|
|
|
|
temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8);
|
|
|
|
x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask;
|
|
|
|
if (x->mode_info_context->mbmi.need_to_clamp_mvs)
|
|
clamp_uvmv_to_umv_border(&x->block[uoffset].bmi.mv.as_mv, x);
|
|
|
|
x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int;
|
|
}
|
|
}
|
|
}
|
|
|
|
void vp8_build_inter_predictors_mb(MACROBLOCKD *xd)
|
|
{
|
|
if (xd->mode_info_context->mbmi.mode != SPLITMV)
|
|
{
|
|
vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
|
|
xd->dst.u_buffer, xd->dst.v_buffer,
|
|
xd->dst.y_stride, xd->dst.uv_stride);
|
|
}
|
|
else
|
|
{
|
|
build_4x4uvmvs(xd);
|
|
build_inter4x4_predictors_mb(xd);
|
|
}
|
|
}
|