70 строки
2.2 KiB
C
70 строки
2.2 KiB
C
/*
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* Copyright (c) 2016 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 <assert.h>
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#include "vpx/vpx_integer.h"
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#include "vpx_ports/mem.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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#include "vpx_dsp/blend.h"
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#include "./vpx_dsp_rtcd.h"
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void vpx_blend_a64_hmask_c(uint8_t *dst, uint32_t dst_stride,
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const uint8_t *src0, uint32_t src0_stride,
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const uint8_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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int i, j;
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assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
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assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
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assert(h >= 1);
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assert(w >= 1);
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assert(IS_POWER_OF_TWO(h));
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assert(IS_POWER_OF_TWO(w));
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for (i = 0; i < h; ++i) {
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for (j = 0; j < w; ++j) {
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dst[i * dst_stride + j] = VPX_BLEND_A64(
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mask[j], src0[i * src0_stride + j], src1[i * src1_stride + j]);
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}
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}
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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void vpx_highbd_blend_a64_hmask_c(uint8_t *dst_8, uint32_t dst_stride,
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const uint8_t *src0_8, uint32_t src0_stride,
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const uint8_t *src1_8, uint32_t src1_stride,
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const uint8_t *mask, int h, int w, int bd) {
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int i, j;
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uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8);
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const uint16_t *src0 = CONVERT_TO_SHORTPTR(src0_8);
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const uint16_t *src1 = CONVERT_TO_SHORTPTR(src1_8);
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assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
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assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
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assert(h >= 1);
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assert(w >= 1);
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assert(IS_POWER_OF_TWO(h));
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assert(IS_POWER_OF_TWO(w));
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assert(bd == 8 || bd == 10 || bd == 12);
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for (i = 0; i < h; ++i) {
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for (j = 0; j < w; ++j) {
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dst[i * dst_stride + j] = VPX_BLEND_A64(
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mask[j], src0[i * src0_stride + j], src1[i * src1_stride + j]);
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}
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}
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}
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#endif // CONFIG_VP9_HIGHBITDEPTH
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