9c01aa1b0c
This minimize code differences between AOM master and nextgenv2 Change-Id: If144865bdf3ef0818e7aac11018b9e786444c550
62 lines
2.2 KiB
C
62 lines
2.2 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 "aom_dsp/mips/inv_txfm_msa.h"
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void av1_iht4x4_16_add_msa(const int16_t *input, uint8_t *dst,
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int32_t dst_stride, int32_t tx_type) {
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v8i16 in0, in1, in2, in3;
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/* load vector elements of 4x4 block */
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LD4x4_SH(input, in0, in1, in2, in3);
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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switch (tx_type) {
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case DCT_DCT:
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/* DCT in horizontal */
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AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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/* DCT in vertical */
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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case ADST_DCT:
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/* DCT in horizontal */
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AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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/* ADST in vertical */
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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case DCT_ADST:
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/* ADST in horizontal */
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AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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/* DCT in vertical */
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_IDCT4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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break;
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case ADST_ADST:
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/* ADST in horizontal */
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AOM_IADST4x4(in0, in1, in2, in3, in0, in1, in2, in3);
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/* ADST in vertical */
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TRANSPOSE4x4_SH_SH(in0, in1, in2, in3, in0, in1, in2, in3);
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AOM_IADST4x4(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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/* final rounding (add 2^3, divide by 2^4) and shift */
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SRARI_H4_SH(in0, in1, in2, in3, 4);
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/* add block and store 4x4 */
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ADDBLK_ST4x4_UB(in0, in1, in2, in3, dst, dst_stride);
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}
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