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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve8_neon_asm.c')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve8_neon_asm.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve8_neon_asm.c b/media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve8_neon_asm.c new file mode 100644 index 0000000000..c4177c5385 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/arm/vpx_convolve8_neon_asm.c @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2018 The WebM project authors. All Rights Reserved. + * + * 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. + */ + +#include "./vpx_dsp_rtcd.h" +#include "vp9/common/vp9_filter.h" +#include "vpx_dsp/arm/vpx_convolve8_neon_asm.h" + +/* Type1 and Type2 functions are called depending on the position of the + * negative and positive coefficients in the filter. In type1, the filter kernel + * used is sub_pel_filters_8lp, in which only the first two and the last two + * coefficients are negative. In type2, the negative coefficients are 0, 2, 5 & + * 7. + */ + +#define DEFINE_FILTER(dir) \ + void vpx_convolve8_##dir##_neon( \ + const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, \ + ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, \ + int x_step_q4, int y0_q4, int y_step_q4, int w, int h) { \ + if (filter == vp9_filter_kernels[1]) { \ + vpx_convolve8_##dir##_filter_type1_neon( \ + src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4, y0_q4, \ + y_step_q4, w, h); \ + } else { \ + vpx_convolve8_##dir##_filter_type2_neon( \ + src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4, y0_q4, \ + y_step_q4, w, h); \ + } \ + } + +DEFINE_FILTER(horiz) +DEFINE_FILTER(avg_horiz) +DEFINE_FILTER(vert) +DEFINE_FILTER(avg_vert) |