summaryrefslogtreecommitdiffstats
path: root/third_party/aom/aom_dsp/aom_convolve.c
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/aom/aom_dsp/aom_convolve.c')
-rw-r--r--third_party/aom/aom_dsp/aom_convolve.c238
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;
- }
-}