9c01aa1b0c
This minimize code differences between AOM master and nextgenv2 Change-Id: If144865bdf3ef0818e7aac11018b9e786444c550
99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include <assert.h>
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#include "av1/common/enums.h"
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#include "av1/encoder/mips/msa/fdct_msa.h"
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void av1_fwht4x4_msa(const int16_t *input, int16_t *output,
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int32_t src_stride) {
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v8i16 in0, in1, in2, in3, in4;
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LD_SH4(input, src_stride, in0, in1, in2, in3);
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in0 += in1;
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in3 -= in2;
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in4 = (in0 - in3) >> 1;
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SUB2(in4, in1, in4, in2, in1, in2);
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in0 -= in2;
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in3 += in1;
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TRANSPOSE4x4_SH_SH(in0, in2, in3, in1, in0, in2, in3, in1);
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in0 += in2;
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in1 -= in3;
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in4 = (in0 - in1) >> 1;
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SUB2(in4, in2, in4, in3, in2, in3);
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in0 -= in3;
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in1 += in2;
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SLLI_4V(in0, in1, in2, in3, 2);
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TRANSPOSE4x4_SH_SH(in0, in3, in1, in2, in0, in3, in1, in2);
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ST4x2_UB(in0, output, 4);
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ST4x2_UB(in3, output + 4, 4);
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ST4x2_UB(in1, output + 8, 4);
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ST4x2_UB(in2, output + 12, 4);
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}
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void av1_fht4x4_msa(const int16_t *input, int16_t *output, int32_t stride,
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int32_t tx_type) {
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v8i16 in0, in1, in2, in3;
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LD_SH4(input, stride, in0, in1, in2, in3);
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/* fdct4 pre-process */
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{
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v8i16 temp, mask;
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v16i8 zero = { 0 };
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v16i8 one = __msa_ldi_b(1);
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mask = (v8i16)__msa_sldi_b(zero, one, 15);
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SLLI_4V(in0, in1, in2, in3, 4);
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temp = __msa_ceqi_h(in0, 0);
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temp = (v8i16)__msa_xori_b((v16u8)temp, 255);
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temp = mask & temp;
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in0 += temp;
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}
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switch (tx_type) {
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case DCT_DCT:
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AOM_FDCT4(in0, in1, in2, in3, in0, in1, in2, in3);
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_FDCT4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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case ADST_DCT:
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AOM_FADST4(in0, in1, in2, in3, in0, in1, in2, in3);
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_FDCT4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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case DCT_ADST:
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AOM_FDCT4(in0, in1, in2, in3, in0, in1, in2, in3);
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_FADST4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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case ADST_ADST:
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AOM_FADST4(in0, in1, in2, in3, in0, in1, in2, in3);
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_FADST4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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default: assert(0); break;
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}
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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ADD4(in0, 1, in1, 1, in2, 1, in3, 1, in0, in1, in2, in3);
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SRA_4V(in0, in1, in2, in3, 2);
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PCKEV_D2_SH(in1, in0, in3, in2, in0, in2);
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ST_SH2(in0, in2, output, 8);
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}
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