/*
* Copyright (c) 2018 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 <assert.h>
#include "./vp9_rtcd.h"
#include "vpx_dsp/vpx_dsp_common.h"
#include "vpx_dsp/ppc/inv_txfm_vsx.h"
#include "vpx_dsp/ppc/bitdepth_conversion_vsx.h"
#include "vp9/common/vp9_enums.h"
void vp9_iht4x4_16_add_vsx(const tran_low_t *input, uint8_t *dest, int stride,
int tx_type) {
int16x8_t in[2 ], out[2 ];
in[0 ] = load_tran_low(0 , input);
in[1 ] = load_tran_low(8 * sizeof (*input), input);
switch (tx_type) {
case DCT_DCT:
vpx_idct4_vsx(in, out);
vpx_idct4_vsx(out, in);
break ;
case ADST_DCT:
vpx_idct4_vsx(in, out);
vp9_iadst4_vsx(out, in);
break ;
case DCT_ADST:
vp9_iadst4_vsx(in, out);
vpx_idct4_vsx(out, in);
break ;
default :
assert(tx_type == ADST_ADST);
vp9_iadst4_vsx(in, out);
vp9_iadst4_vsx(out, in);
break ;
}
vpx_round_store4x4_vsx(in, out, dest, stride);
}
void vp9_iht8x8_64_add_vsx(const tran_low_t *input, uint8_t *dest, int stride,
int tx_type) {
int16x8_t in[8 ], out[8 ];
// load input data
in[0 ] = load_tran_low(0 , input);
in[1 ] = load_tran_low(8 * sizeof (*input), input);
in[2 ] = load_tran_low(2 * 8 * sizeof (*input), input);
in[3 ] = load_tran_low(3 * 8 * sizeof (*input), input);
in[4 ] = load_tran_low(4 * 8 * sizeof (*input), input);
in[5 ] = load_tran_low(5 * 8 * sizeof (*input), input);
in[6 ] = load_tran_low(6 * 8 * sizeof (*input), input);
in[7 ] = load_tran_low(7 * 8 * sizeof (*input), input);
switch (tx_type) {
case DCT_DCT:
vpx_idct8_vsx(in, out);
vpx_idct8_vsx(out, in);
break ;
case ADST_DCT:
vpx_idct8_vsx(in, out);
vp9_iadst8_vsx(out, in);
break ;
case DCT_ADST:
vp9_iadst8_vsx(in, out);
vpx_idct8_vsx(out, in);
break ;
default :
assert(tx_type == ADST_ADST);
vp9_iadst8_vsx(in, out);
vp9_iadst8_vsx(out, in);
break ;
}
vpx_round_store8x8_vsx(in, dest, stride);
}
void vp9_iht16x16_256_add_vsx(const tran_low_t *input, uint8_t *dest,
int stride, int tx_type) {
int16x8_t in0[16 ], in1[16 ];
LOAD_INPUT16(load_tran_low, input, 0 , 8 * sizeof (*input), in0);
LOAD_INPUT16(load_tran_low, input, 8 * 8 * 2 * sizeof (*input),
8 * sizeof (*input), in1);
switch (tx_type) {
case DCT_DCT:
vpx_idct16_vsx(in0, in1);
vpx_idct16_vsx(in0, in1);
break ;
case ADST_DCT:
vpx_idct16_vsx(in0, in1);
vpx_iadst16_vsx(in0, in1);
break ;
case DCT_ADST:
vpx_iadst16_vsx(in0, in1);
vpx_idct16_vsx(in0, in1);
break ;
default :
assert(tx_type == ADST_ADST);
vpx_iadst16_vsx(in0, in1);
vpx_iadst16_vsx(in0, in1);
break ;
}
vpx_round_store16x16_vsx(in0, in1, dest, stride);
}
Messung V0.5 in Prozent C=95 H=93 G=93
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-06)
¤
*© Formatika GbR, Deutschland