/*
* Copyright ( c ) 2015 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 <stdlib.h>
#include "./vpx_config.h"
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_ports/mem.h"
void vpx_subtract_block_c(int rows, int cols, int16_t *diff_ptr,
ptrdiff_t diff_stride, const uint8_t *src_ptr,
ptrdiff_t src_stride, const uint8_t *pred_ptr,
ptrdiff_t pred_stride) {
int r, c;
for (r = 0 ; r < rows; r++) {
for (c = 0 ; c < cols; c++) diff_ptr[c] = src_ptr[c] - pred_ptr[c];
diff_ptr += diff_stride;
pred_ptr += pred_stride;
src_ptr += src_stride;
}
}
#if CONFIG_VP9_HIGHBITDEPTH
void vpx_highbd_subtract_block_c(int rows, int cols, int16_t *diff_ptr,
ptrdiff_t diff_stride, const uint8_t *src8_ptr,
ptrdiff_t src_stride, const uint8_t *pred8_ptr,
ptrdiff_t pred_stride, int bd) {
int r, c;
uint16_t *src = CONVERT_TO_SHORTPTR(src8_ptr);
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8_ptr);
(void )bd;
for (r = 0 ; r < rows; r++) {
for (c = 0 ; c < cols; c++) {
diff_ptr[c] = src[c] - pred[c];
}
diff_ptr += diff_stride;
pred += pred_stride;
src += src_stride;
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.14 Sekunden
(vorverarbeitet am 2026-08-26)
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