42 lines
2.0 KiB
C
42 lines
2.0 KiB
C
/*
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* Copyright (c) 2018 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 "./vpx_dsp_rtcd.h"
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#include "vp9/common/vp9_filter.h"
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#include "vpx_dsp/arm/vpx_convolve8_neon_asm.h"
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/* Type1 and Type2 functions are called depending on the position of the
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* negative and positive coefficients in the filter. In type1, the filter kernel
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* used is sub_pel_filters_8lp, in which only the first two and the last two
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* coefficients are negative. In type2, the negative coefficients are 0, 2, 5 &
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* 7.
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*/
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#define DEFINE_FILTER(dir) \
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void vpx_convolve8_##dir##_neon( \
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const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, \
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ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, \
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int x_step_q4, int y0_q4, int y_step_q4, int w, int h) { \
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if (filter == vp9_filter_kernels[1]) { \
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vpx_convolve8_##dir##_filter_type1_neon( \
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src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4, y0_q4, \
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y_step_q4, w, h); \
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} else { \
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vpx_convolve8_##dir##_filter_type2_neon( \
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src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4, y0_q4, \
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y_step_q4, w, h); \
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} \
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}
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DEFINE_FILTER(horiz)
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DEFINE_FILTER(avg_horiz)
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DEFINE_FILTER(vert)
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DEFINE_FILTER(avg_vert)
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