138 lines
2.6 KiB
C
138 lines
2.6 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 and patent
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* grant that can be found in the LICENSE file in the root of the source
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* tree. All contributing project authors may be found in the AUTHORS
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* 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 "blockd.h"
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void vp8_recon_b_c
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(
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unsigned char *pred_ptr,
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short *diff_ptr,
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unsigned char *dst_ptr,
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int stride
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)
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{
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int r, c;
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for (r = 0; r < 4; r++)
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{
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for (c = 0; c < 4; c++)
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{
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int a = diff_ptr[c] + pred_ptr[c] ;
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if (a < 0)
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a = 0;
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if (a > 255)
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a = 255;
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dst_ptr[c] = (unsigned char) a ;
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}
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dst_ptr += stride;
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diff_ptr += 16;
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pred_ptr += 16;
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}
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}
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void vp8_recon4b_c
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(
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unsigned char *pred_ptr,
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short *diff_ptr,
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unsigned char *dst_ptr,
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int stride
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)
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{
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int r, c;
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for (r = 0; r < 4; r++)
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{
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for (c = 0; c < 16; c++)
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{
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int a = diff_ptr[c] + pred_ptr[c] ;
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if (a < 0)
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a = 0;
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if (a > 255)
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a = 255;
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dst_ptr[c] = (unsigned char) a ;
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}
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dst_ptr += stride;
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diff_ptr += 16;
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pred_ptr += 16;
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}
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}
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void vp8_recon2b_c
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(
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unsigned char *pred_ptr,
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short *diff_ptr,
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unsigned char *dst_ptr,
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int stride
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)
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{
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int r, c;
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for (r = 0; r < 4; r++)
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{
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for (c = 0; c < 8; c++)
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{
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int a = diff_ptr[c] + pred_ptr[c] ;
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if (a < 0)
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a = 0;
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if (a > 255)
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a = 255;
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dst_ptr[c] = (unsigned char) a ;
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}
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dst_ptr += stride;
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diff_ptr += 8;
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pred_ptr += 8;
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}
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}
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void vp8_recon16x16mby(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 = 0; i < 16; i += 4)
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{
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BLOCKD *b = &x->block[i];
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RECON_INVOKE(rtcd, recon4)(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_recon16x16mb(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 = 0; i < 16; i += 4)
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{
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BLOCKD *b = &x->block[i];
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RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
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}
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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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