581 lines
23 KiB
C
581 lines
23 KiB
C
/*
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* Copyright (c) 2013 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 <string.h>
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#include "./vpx_config.h"
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#include "./vpx_dsp_rtcd.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/vpx_convolve.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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#include "vpx_dsp/vpx_filter.h"
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#include "vpx_ports/mem.h"
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static void convolve_horiz(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *x_filters, int x0_q4,
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int x_step_q4, int w, int h) {
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int x, y;
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src -= SUBPEL_TAPS / 2 - 1;
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for (y = 0; y < h; ++y) {
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int x_q4 = x0_q4;
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for (x = 0; x < w; ++x) {
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const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
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const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
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dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
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x_q4 += x_step_q4;
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}
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src += src_stride;
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dst += dst_stride;
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}
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}
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static void convolve_avg_horiz(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *x_filters, int x0_q4,
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int x_step_q4, int w, int h) {
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int x, y;
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src -= SUBPEL_TAPS / 2 - 1;
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for (y = 0; y < h; ++y) {
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int x_q4 = x0_q4;
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for (x = 0; x < w; ++x) {
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const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
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const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
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dst[x] = ROUND_POWER_OF_TWO(
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dst[x] + clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)), 1);
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x_q4 += x_step_q4;
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}
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src += src_stride;
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dst += dst_stride;
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}
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}
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static void convolve_vert(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *y_filters, int y0_q4,
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int y_step_q4, int w, int h) {
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int x, y;
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src -= src_stride * (SUBPEL_TAPS / 2 - 1);
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for (x = 0; x < w; ++x) {
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int y_q4 = y0_q4;
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for (y = 0; y < h; ++y) {
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const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
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const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k)
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sum += src_y[k * src_stride] * y_filter[k];
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dst[y * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
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y_q4 += y_step_q4;
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}
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++src;
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++dst;
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}
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}
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static void convolve_avg_vert(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *y_filters, int y0_q4,
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int y_step_q4, int w, int h) {
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int x, y;
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src -= src_stride * (SUBPEL_TAPS / 2 - 1);
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for (x = 0; x < w; ++x) {
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int y_q4 = y0_q4;
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for (y = 0; y < h; ++y) {
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const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
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const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k)
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sum += src_y[k * src_stride] * y_filter[k];
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dst[y * dst_stride] = ROUND_POWER_OF_TWO(
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dst[y * dst_stride] +
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clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)),
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1);
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y_q4 += y_step_q4;
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}
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++src;
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++dst;
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}
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}
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static void convolve(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const InterpKernel *const x_filters,
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int x0_q4, int x_step_q4,
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const InterpKernel *const y_filters, int y0_q4,
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int y_step_q4, int w, int h) {
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// Note: Fixed size intermediate buffer, temp, places limits on parameters.
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// 2d filtering proceeds in 2 steps:
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// (1) Interpolate horizontally into an intermediate buffer, temp.
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// (2) Interpolate temp vertically to derive the sub-pixel result.
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// Deriving the maximum number of rows in the temp buffer (135):
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// --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
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// --Largest block size is 64x64 pixels.
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// --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
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// original frame (in 1/16th pixel units).
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// --Must round-up because block may be located at sub-pixel position.
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// --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
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// --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
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uint8_t temp[64 * 135];
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const int intermediate_height =
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(((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
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assert(w <= 64);
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assert(h <= 64);
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assert(y_step_q4 <= 32);
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assert(x_step_q4 <= 32);
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convolve_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride, temp, 64,
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x_filters, x0_q4, x_step_q4, w, intermediate_height);
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convolve_vert(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst, dst_stride,
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y_filters, y0_q4, y_step_q4, w, h);
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}
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void vpx_convolve8_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const int16_t *filter_x, int x_step_q4,
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const int16_t *filter_y, int y_step_q4, int w,
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int h) {
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const InterpKernel *const filters_x = get_filter_base(filter_x);
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const int x0_q4 = get_filter_offset(filter_x, filters_x);
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(void)filter_y;
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(void)y_step_q4;
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convolve_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4, x_step_q4,
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w, h);
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}
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void vpx_convolve8_avg_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const int16_t *filter_x, int x_step_q4,
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const int16_t *filter_y, int y_step_q4, int w,
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int h) {
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const InterpKernel *const filters_x = get_filter_base(filter_x);
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const int x0_q4 = get_filter_offset(filter_x, filters_x);
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(void)filter_y;
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(void)y_step_q4;
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convolve_avg_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4,
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x_step_q4, w, h);
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}
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void vpx_convolve8_vert_c(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const int16_t *filter_x, int x_step_q4,
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const int16_t *filter_y, int y_step_q4, int w,
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int h) {
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const InterpKernel *const filters_y = get_filter_base(filter_y);
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const int y0_q4 = get_filter_offset(filter_y, filters_y);
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(void)filter_x;
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(void)x_step_q4;
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convolve_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4, y_step_q4,
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w, h);
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}
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void vpx_convolve8_avg_vert_c(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const int16_t *filter_x, int x_step_q4,
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const int16_t *filter_y, int y_step_q4, int w,
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int h) {
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const InterpKernel *const filters_y = get_filter_base(filter_y);
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const int y0_q4 = get_filter_offset(filter_y, filters_y);
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(void)filter_x;
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(void)x_step_q4;
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convolve_avg_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4,
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y_step_q4, w, h);
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}
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void vpx_convolve8_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int x_step_q4, const int16_t *filter_y, int y_step_q4,
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int w, int h) {
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const InterpKernel *const filters_x = get_filter_base(filter_x);
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const int x0_q4 = get_filter_offset(filter_x, filters_x);
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const InterpKernel *const filters_y = get_filter_base(filter_y);
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const int y0_q4 = get_filter_offset(filter_y, filters_y);
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convolve(src, src_stride, dst, dst_stride, filters_x, x0_q4, x_step_q4,
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filters_y, y0_q4, y_step_q4, w, h);
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}
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void vpx_convolve8_avg_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int x_step_q4, const int16_t *filter_y, int y_step_q4,
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int w, int h) {
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// Fixed size intermediate buffer places limits on parameters.
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DECLARE_ALIGNED(16, uint8_t, temp[64 * 64]);
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assert(w <= 64);
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assert(h <= 64);
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vpx_convolve8_c(src, src_stride, temp, 64, filter_x, x_step_q4, filter_y,
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y_step_q4, w, h);
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vpx_convolve_avg_c(temp, 64, dst, dst_stride, NULL, 0, NULL, 0, w, h);
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}
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void vpx_convolve_copy_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int filter_x_stride, const int16_t *filter_y,
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int filter_y_stride, int w, int h) {
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int r;
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(void)filter_x;
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(void)filter_x_stride;
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(void)filter_y;
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(void)filter_y_stride;
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for (r = h; r > 0; --r) {
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memcpy(dst, src, w);
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src += src_stride;
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dst += dst_stride;
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}
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}
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void vpx_convolve_avg_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int filter_x_stride, const int16_t *filter_y,
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int filter_y_stride, int w, int h) {
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int x, y;
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(void)filter_x;
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(void)filter_x_stride;
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(void)filter_y;
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(void)filter_y_stride;
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for (y = 0; y < h; ++y) {
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for (x = 0; x < w; ++x) dst[x] = ROUND_POWER_OF_TWO(dst[x] + src[x], 1);
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src += src_stride;
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dst += dst_stride;
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}
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}
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void vpx_scaled_horiz_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int x_step_q4, const int16_t *filter_y, int y_step_q4,
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int w, int h) {
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vpx_convolve8_horiz_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
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filter_y, y_step_q4, w, h);
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}
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void vpx_scaled_vert_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int x_step_q4, const int16_t *filter_y, int y_step_q4,
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int w, int h) {
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vpx_convolve8_vert_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
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filter_y, y_step_q4, w, h);
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}
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void vpx_scaled_2d_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int x_step_q4, const int16_t *filter_y, int y_step_q4,
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int w, int h) {
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vpx_convolve8_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
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filter_y, y_step_q4, w, h);
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}
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void vpx_scaled_avg_horiz_c(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const int16_t *filter_x, int x_step_q4,
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const int16_t *filter_y, int y_step_q4, int w,
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int h) {
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vpx_convolve8_avg_horiz_c(src, src_stride, dst, dst_stride, filter_x,
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x_step_q4, filter_y, y_step_q4, w, h);
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}
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void vpx_scaled_avg_vert_c(const uint8_t *src, ptrdiff_t src_stride,
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uint8_t *dst, ptrdiff_t dst_stride,
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const int16_t *filter_x, int x_step_q4,
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const int16_t *filter_y, int y_step_q4, int w,
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int h) {
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vpx_convolve8_avg_vert_c(src, src_stride, dst, dst_stride, filter_x,
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x_step_q4, filter_y, y_step_q4, w, h);
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}
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void vpx_scaled_avg_2d_c(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
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ptrdiff_t dst_stride, const int16_t *filter_x,
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int x_step_q4, const int16_t *filter_y, int y_step_q4,
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int w, int h) {
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vpx_convolve8_avg_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4,
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filter_y, y_step_q4, w, h);
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}
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#if CONFIG_VP9_HIGHBITDEPTH
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static void highbd_convolve_horiz(const uint16_t *src, ptrdiff_t src_stride,
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uint16_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *x_filters, int x0_q4,
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int x_step_q4, int w, int h, int bd) {
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int x, y;
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src -= SUBPEL_TAPS / 2 - 1;
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for (y = 0; y < h; ++y) {
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int x_q4 = x0_q4;
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for (x = 0; x < w; ++x) {
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const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
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const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
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dst[x] = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
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x_q4 += x_step_q4;
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}
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src += src_stride;
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dst += dst_stride;
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}
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}
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static void highbd_convolve_avg_horiz(const uint16_t *src, ptrdiff_t src_stride,
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uint16_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *x_filters, int x0_q4,
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int x_step_q4, int w, int h, int bd) {
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int x, y;
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src -= SUBPEL_TAPS / 2 - 1;
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for (y = 0; y < h; ++y) {
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int x_q4 = x0_q4;
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for (x = 0; x < w; ++x) {
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const uint16_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
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const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
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dst[x] = ROUND_POWER_OF_TWO(
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dst[x] + clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd),
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1);
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x_q4 += x_step_q4;
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}
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src += src_stride;
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dst += dst_stride;
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}
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}
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static void highbd_convolve_vert(const uint16_t *src, ptrdiff_t src_stride,
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uint16_t *dst, ptrdiff_t dst_stride,
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const InterpKernel *y_filters, int y0_q4,
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int y_step_q4, int w, int h, int bd) {
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int x, y;
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src -= src_stride * (SUBPEL_TAPS / 2 - 1);
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for (x = 0; x < w; ++x) {
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int y_q4 = y0_q4;
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for (y = 0; y < h; ++y) {
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const uint16_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
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const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
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int k, sum = 0;
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for (k = 0; k < SUBPEL_TAPS; ++k)
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sum += src_y[k * src_stride] * y_filter[k];
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dst[y * dst_stride] =
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clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd);
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y_q4 += y_step_q4;
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}
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++src;
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++dst;
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}
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}
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static void highbd_convolve_avg_vert(const uint16_t *src, ptrdiff_t src_stride,
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uint16_t *dst, ptrdiff_t dst_stride,
|
|
const InterpKernel *y_filters, int y0_q4,
|
|
int y_step_q4, int w, int h, int bd) {
|
|
int x, y;
|
|
src -= src_stride * (SUBPEL_TAPS / 2 - 1);
|
|
|
|
for (x = 0; x < w; ++x) {
|
|
int y_q4 = y0_q4;
|
|
for (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];
|
|
int k, sum = 0;
|
|
for (k = 0; k < SUBPEL_TAPS; ++k)
|
|
sum += src_y[k * src_stride] * y_filter[k];
|
|
dst[y * dst_stride] = ROUND_POWER_OF_TWO(
|
|
dst[y * dst_stride] +
|
|
clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd),
|
|
1);
|
|
y_q4 += y_step_q4;
|
|
}
|
|
++src;
|
|
++dst;
|
|
}
|
|
}
|
|
|
|
static void highbd_convolve(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_t *dst, ptrdiff_t dst_stride,
|
|
const InterpKernel *const x_filters, int x0_q4,
|
|
int x_step_q4, const InterpKernel *const y_filters,
|
|
int y0_q4, int y_step_q4, int w, int h, int bd) {
|
|
// Note: Fixed size intermediate buffer, temp, places limits on parameters.
|
|
// 2d filtering proceeds in 2 steps:
|
|
// (1) Interpolate horizontally into an intermediate buffer, temp.
|
|
// (2) Interpolate temp vertically to derive the sub-pixel result.
|
|
// Deriving the maximum number of rows in the temp buffer (135):
|
|
// --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
|
|
// --Largest block size is 64x64 pixels.
|
|
// --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
|
|
// original frame (in 1/16th pixel units).
|
|
// --Must round-up because block may be located at sub-pixel position.
|
|
// --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
|
|
// --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
|
|
uint16_t temp[64 * 135];
|
|
const int intermediate_height =
|
|
(((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
|
|
|
|
assert(w <= 64);
|
|
assert(h <= 64);
|
|
assert(y_step_q4 <= 32);
|
|
assert(x_step_q4 <= 32);
|
|
|
|
highbd_convolve_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride,
|
|
temp, 64, x_filters, x0_q4, x_step_q4, w,
|
|
intermediate_height, bd);
|
|
highbd_convolve_vert(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst, dst_stride,
|
|
y_filters, y0_q4, y_step_q4, w, h, bd);
|
|
}
|
|
|
|
void vpx_highbd_convolve8_horiz_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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 vpx_highbd_convolve8_avg_horiz_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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_avg_horiz(src, src_stride, dst, dst_stride, filters_x, x0_q4,
|
|
x_step_q4, w, h, bd);
|
|
}
|
|
|
|
void vpx_highbd_convolve8_vert_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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 vpx_highbd_convolve8_avg_vert_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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_avg_vert(src, src_stride, dst, dst_stride, filters_y, y0_q4,
|
|
y_step_q4, w, h, bd);
|
|
}
|
|
|
|
void vpx_highbd_convolve8_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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);
|
|
const InterpKernel *const filters_y = get_filter_base(filter_y);
|
|
const int y0_q4 = get_filter_offset(filter_y, filters_y);
|
|
|
|
highbd_convolve(src, src_stride, dst, dst_stride, filters_x, x0_q4, x_step_q4,
|
|
filters_y, y0_q4, y_step_q4, w, h, bd);
|
|
}
|
|
|
|
void vpx_highbd_convolve8_avg_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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) {
|
|
// Fixed size intermediate buffer places limits on parameters.
|
|
DECLARE_ALIGNED(16, uint16_t, temp[64 * 64]);
|
|
assert(w <= 64);
|
|
assert(h <= 64);
|
|
|
|
vpx_highbd_convolve8_c(src, src_stride, temp, 64, filter_x, x_step_q4,
|
|
filter_y, y_step_q4, w, h, bd);
|
|
vpx_highbd_convolve_avg_c(temp, 64, dst, dst_stride, NULL, 0, NULL, 0, w, h,
|
|
bd);
|
|
}
|
|
|
|
void vpx_highbd_convolve_copy_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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 bd) {
|
|
int r;
|
|
|
|
(void)filter_x;
|
|
(void)filter_x_stride;
|
|
(void)filter_y;
|
|
(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;
|
|
}
|
|
}
|
|
|
|
void vpx_highbd_convolve_avg_c(const uint16_t *src, ptrdiff_t src_stride,
|
|
uint16_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 bd) {
|
|
int x, y;
|
|
|
|
(void)filter_x;
|
|
(void)filter_x_stride;
|
|
(void)filter_y;
|
|
(void)filter_y_stride;
|
|
(void)bd;
|
|
|
|
for (y = 0; y < h; ++y) {
|
|
for (x = 0; x < w; ++x) dst[x] = ROUND_POWER_OF_TWO(dst[x] + src[x], 1);
|
|
src += src_stride;
|
|
dst += dst_stride;
|
|
}
|
|
}
|
|
#endif
|