d19033fa4e
This completes the forward transform functions layout refactoring. Change-Id: I996fb0fb795f41e2040f7b21db985774098aedbd
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/*
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* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <assert.h>
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#include "vp9/common/vp9_enums.h"
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#include "vp9/encoder/mips/msa/vp9_fdct_msa.h"
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void vp9_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 vp9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_FADST4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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default:
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assert(0);
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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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