44849516d4
Move mips/msa inverse transform implementations from vp9 folder to vpx_dsp. Change-Id: Ic4cf3f05247c3c63db7b532a0e5000017a962391
63 lines
2.1 KiB
C
63 lines
2.1 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 "vpx_dsp/mips/inv_txfm_msa.h"
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void vp9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_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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VP9_IADST4x4(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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/* 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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