vpx/vp8/common/setupintrarecon.c

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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
* 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.
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*/
#include "setupintrarecon.h"
#include "vpx_mem/vpx_mem.h"
void vp8_setup_intra_recon(YV12_BUFFER_CONFIG *ybf) {
int i;
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/* set up frame new frame for intra coded blocks */
memset(ybf->y_buffer - 1 - ybf->y_stride, 127, ybf->y_width + 5);
for (i = 0; i < ybf->y_height; ++i) {
ybf->y_buffer[ybf->y_stride * i - 1] = (unsigned char)129;
}
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memset(ybf->u_buffer - 1 - ybf->uv_stride, 127, ybf->uv_width + 5);
for (i = 0; i < ybf->uv_height; ++i) {
ybf->u_buffer[ybf->uv_stride * i - 1] = (unsigned char)129;
}
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memset(ybf->v_buffer - 1 - ybf->uv_stride, 127, ybf->uv_width + 5);
for (i = 0; i < ybf->uv_height; ++i) {
ybf->v_buffer[ybf->uv_stride * i - 1] = (unsigned char)129;
}
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}
void vp8_setup_intra_recon_top_line(YV12_BUFFER_CONFIG *ybf) {
memset(ybf->y_buffer - 1 - ybf->y_stride, 127, ybf->y_width + 5);
memset(ybf->u_buffer - 1 - ybf->uv_stride, 127, ybf->uv_width + 5);
memset(ybf->v_buffer - 1 - ybf->uv_stride, 127, ybf->uv_width + 5);
}