/*
* Copyright ( c ) 2017 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 "./vp8_rtcd.h"
#include "vpx_mem/vpx_mem.h"
void vp8_dequant_idct_add_y_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst,
int stride, char *eobs) {
int i, j;
for (i = 0 ; i < 4 ; i++) {
for (j = 0 ; j < 4 ; j++) {
if (*eobs++ > 1 ) {
vp8_dequant_idct_add_mmi(q, dq, dst, stride);
} else {
vp8_dc_only_idct_add_mmi(q[0 ] * dq[0 ], dst, stride, dst, stride);
memset(q, 0 , 2 * sizeof (q[0 ]));
}
q += 16 ;
dst += 4 ;
}
dst += 4 * stride - 16 ;
}
}
void vp8_dequant_idct_add_uv_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst_u,
uint8_t *dst_v, int stride, char *eobs) {
int i, j;
for (i = 0 ; i < 2 ; i++) {
for (j = 0 ; j < 2 ; j++) {
if (*eobs++ > 1 ) {
vp8_dequant_idct_add_mmi(q, dq, dst_u, stride);
} else {
vp8_dc_only_idct_add_mmi(q[0 ] * dq[0 ], dst_u, stride, dst_u, stride);
memset(q, 0 , 2 * sizeof (q[0 ]));
}
q += 16 ;
dst_u += 4 ;
}
dst_u += 4 * stride - 8 ;
}
for (i = 0 ; i < 2 ; i++) {
for (j = 0 ; j < 2 ; j++) {
if (*eobs++ > 1 ) {
vp8_dequant_idct_add_mmi(q, dq, dst_v, stride);
} else {
vp8_dc_only_idct_add_mmi(q[0 ] * dq[0 ], dst_v, stride, dst_v, stride);
memset(q, 0 , 2 * sizeof (q[0 ]));
}
q += 16 ;
dst_v += 4 ;
}
dst_v += 4 * stride - 8 ;
}
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-08-26)
¤
*© Formatika GbR, Deutschland