diff options
Diffstat (limited to 'third_party/aom/aom_dsp/aom_convolve.c')
-rw-r--r-- | third_party/aom/aom_dsp/aom_convolve.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/third_party/aom/aom_dsp/aom_convolve.c b/third_party/aom/aom_dsp/aom_convolve.c deleted file mode 100644 index 4791826da..000000000 --- a/third_party/aom/aom_dsp/aom_convolve.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <assert.h> -#include <string.h> - -#include "config/aom_config.h" -#include "config/aom_dsp_rtcd.h" - -#include "aom/aom_integer.h" -#include "aom_dsp/aom_dsp_common.h" -#include "aom_dsp/aom_filter.h" -#include "aom_ports/mem.h" - -static INLINE int horz_scalar_product(const uint8_t *a, const int16_t *b) { - int sum = 0; - for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k] * b[k]; - return sum; -} - -static INLINE int vert_scalar_product(const uint8_t *a, ptrdiff_t a_stride, - const int16_t *b) { - int sum = 0; - for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k * a_stride] * b[k]; - return sum; -} - -static void convolve_horiz(const uint8_t *src, ptrdiff_t src_stride, - uint8_t *dst, ptrdiff_t dst_stride, - const InterpKernel *x_filters, int x0_q4, - int x_step_q4, int w, int h) { - src -= SUBPEL_TAPS / 2 - 1; - for (int y = 0; y < h; ++y) { - int x_q4 = x0_q4; - for (int x = 0; x < w; ++x) { - const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS]; - const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK]; - const int sum = horz_scalar_product(src_x, x_filter); - dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); - x_q4 += x_step_q4; - } - src += src_stride; - dst += dst_stride; - } -} - -static void convolve_vert(const uint8_t *src, ptrdiff_t src_stride, - uint8_t *dst, ptrdiff_t dst_stride, - const InterpKernel *y_filters, int y0_q4, - int y_step_q4, int w, int h) { - src -= src_stride * (SUBPEL_TAPS / 2 - 1); - - for (int x = 0; x < w; ++x) { - int y_q4 = y0_q4; - for (int y = 0; y < h; ++y) { - const unsigned char *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride]; - const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK]; - const int sum = vert_scalar_product(src_y, src_stride, y_filter); - dst[y * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); - y_q4 += y_step_q4; - } - ++src; - ++dst; - } -} - -static const InterpKernel *get_filter_base(const int16_t *filter) { - // NOTE: This assumes that the filter table is 256-byte aligned. - // TODO(agrange) Modify to make independent of table alignment. - return (const InterpKernel *)(((intptr_t)filter) & ~((intptr_t)0xFF)); -} - -static int get_filter_offset(const int16_t *f, const InterpKernel *base) { - return (int)((const InterpKernel *)(intptr_t)f - base); -} - -void aom_convolve8_horiz_c(const uint8_t *src, ptrdiff_t src_stride, - uint8_t *dst, ptrdiff_t dst_stride, - const int16_t *filter_x, int x_step_q4, - const int16_t *filter_y, int y_step_q4, int w, - int h) { - const InterpKernel *const filters_x = get_filter_base(filter_x); - const int x0_q4 = get_filter_offset(filter_x, filters_x); - - (void)filter_y; - (void)y_step_q4; - - convolve_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4, x_step_q4, - w, h); -} - -void aom_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride, - uint8_t *dst, ptrdiff_t dst_stride, - const int16_t *filter_x, int x_step_q4, - const int16_t *filter_y, int y_step_q4, int w, - int h) { - const InterpKernel *const filters_y = get_filter_base(filter_y); - const int y0_q4 = get_filter_offset(filter_y, filters_y); - - (void)filter_x; - (void)x_step_q4; - - convolve_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4, y_step_q4, - w, h); -} - -void aom_convolve_copy_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, - ptrdiff_t dst_stride, const int16_t *filter_x, - int filter_x_stride, const int16_t *filter_y, - int filter_y_stride, int w, int h) { - int r; - - (void)filter_x; - (void)filter_x_stride; - (void)filter_y; - (void)filter_y_stride; - - for (r = h; r > 0; --r) { - memcpy(dst, src, w); - src += src_stride; - dst += dst_stride; - } -} - -static INLINE int highbd_vert_scalar_product(const uint16_t *a, - ptrdiff_t a_stride, - const int16_t *b) { - int sum = 0; - for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k * a_stride] * b[k]; - return sum; -} - -static INLINE int highbd_horz_scalar_product(const uint16_t *a, - const int16_t *b) { - int sum = 0; - for (int k = 0; k < SUBPEL_TAPS; ++k) sum += a[k] * b[k]; - return sum; -} - -static void highbd_convolve_horiz(const uint8_t *src8, ptrdiff_t src_stride, - uint8_t *dst8, ptrdiff_t dst_stride, - const InterpKernel *x_filters, int x0_q4, - int x_step_q4, int w, int h, int bd) { - uint16_t *src = CONVERT_TO_SHORTPTR(src8); - uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); - src -= SUBPEL_TAPS / 2 - 1; - for (int y = 0; y < h; ++y) { - int x_q4 = x0_q4; - for (int x = 0; x < w; ++x) { - const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS]; - const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK]; - const int sum = highbd_horz_scalar_product(src_x, x_filter); - dst[x] = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); - x_q4 += x_step_q4; - } - src += src_stride; - dst += dst_stride; - } -} - -static void highbd_convolve_vert(const uint8_t *src8, ptrdiff_t src_stride, - uint8_t *dst8, ptrdiff_t dst_stride, - const InterpKernel *y_filters, int y0_q4, - int y_step_q4, int w, int h, int bd) { - uint16_t *src = CONVERT_TO_SHORTPTR(src8); - uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); - src -= src_stride * (SUBPEL_TAPS / 2 - 1); - for (int x = 0; x < w; ++x) { - int y_q4 = y0_q4; - for (int y = 0; y < h; ++y) { - const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride]; - const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK]; - const int sum = highbd_vert_scalar_product(src_y, src_stride, y_filter); - dst[y * dst_stride] = - clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); - y_q4 += y_step_q4; - } - ++src; - ++dst; - } -} - -void aom_highbd_convolve8_horiz_c(const uint8_t *src, ptrdiff_t src_stride, - uint8_t *dst, ptrdiff_t dst_stride, - const int16_t *filter_x, int x_step_q4, - const int16_t *filter_y, int y_step_q4, int w, - int h, int bd) { - const InterpKernel *const filters_x = get_filter_base(filter_x); - const int x0_q4 = get_filter_offset(filter_x, filters_x); - (void)filter_y; - (void)y_step_q4; - - highbd_convolve_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4, - x_step_q4, w, h, bd); -} - -void aom_highbd_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride, - uint8_t *dst, ptrdiff_t dst_stride, - const int16_t *filter_x, int x_step_q4, - const int16_t *filter_y, int y_step_q4, int w, - int h, int bd) { - const InterpKernel *const filters_y = get_filter_base(filter_y); - const int y0_q4 = get_filter_offset(filter_y, filters_y); - (void)filter_x; - (void)x_step_q4; - - highbd_convolve_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4, - y_step_q4, w, h, bd); -} - -void aom_highbd_convolve_copy_c(const uint8_t *src8, ptrdiff_t src_stride, - uint8_t *dst8, ptrdiff_t dst_stride, - const int16_t *filter_x, int filter_x_stride, - const int16_t *filter_y, int filter_y_stride, - int w, int h, int bd) { - int r; - uint16_t *src = CONVERT_TO_SHORTPTR(src8); - uint16_t *dst = CONVERT_TO_SHORTPTR(dst8); - (void)filter_x; - (void)filter_y; - (void)filter_x_stride; - (void)filter_y_stride; - (void)bd; - - for (r = h; r > 0; --r) { - memcpy(dst, src, w * sizeof(uint16_t)); - src += src_stride; - dst += dst_stride; - } -} |