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/*
* 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 "av1/common/enums.h"
#include "aom_dsp/mips/inv_txfm_msa.h"
void av1_iht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
int32_t dst_stride, int32_t tx_type) {
v8i16 in0, in1, in2, in3;
/* load vector elements of 4x4 block */
LD4x4_SH(input, in0, in1, in2, in3);
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
switch (tx_type) {
case DCT_DCT:
/* DCT in horizontal */
AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* DCT in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
case ADST_DCT:
/* DCT in horizontal */
AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* ADST in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
case DCT_ADST:
/* ADST in horizontal */
AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* DCT in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
case ADST_ADST:
/* ADST in horizontal */
AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
/* ADST in vertical */
TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
break;
default: assert(0); break;
}
/* final rounding (add 2^3, divide by 2^4) and shift */
SRARI_H4_SH(in0, in1, in2, in3, 4);
/* add block and store 4x4 */
ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
}
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