77 lines
4.0 KiB
C
77 lines
4.0 KiB
C
/*
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* Copyright (c) 2013 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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#ifndef VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
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#define VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
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#include <assert.h>
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#include "./vpx_config.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/inv_txfm.h"
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#include "vpx_dsp/mips/common_dspr2.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if HAVE_DSPR2
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#define DCT_CONST_ROUND_SHIFT_TWICE_COSPI_16_64(input) \
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({ \
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\
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int32_t tmp, out; \
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int dct_cost_rounding = DCT_CONST_ROUNDING; \
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int in = input; \
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\
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__asm__ __volatile__(/* out = dct_const_round_shift(dc * cospi_16_64); */ \
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"mtlo %[dct_cost_rounding], $ac1 " \
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" \n\t" \
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"mthi $zero, $ac1 " \
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" \n\t" \
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"madd $ac1, %[in], " \
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"%[cospi_16_64] \n\t" \
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"extp %[tmp], $ac1, " \
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"31 \n\t" \
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\
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/* out = dct_const_round_shift(out * cospi_16_64); */ \
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"mtlo %[dct_cost_rounding], $ac2 " \
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" \n\t" \
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"mthi $zero, $ac2 " \
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" \n\t" \
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"madd $ac2, %[tmp], " \
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"%[cospi_16_64] \n\t" \
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"extp %[out], $ac2, " \
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"31 \n\t" \
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\
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: [tmp] "=&r"(tmp), [out] "=r"(out) \
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: [in] "r"(in), \
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[dct_cost_rounding] "r"(dct_cost_rounding), \
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[cospi_16_64] "r"(cospi_16_64)); \
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out; \
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})
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void vpx_idct32_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
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void vpx_idct4_rows_dspr2(const int16_t *input, int16_t *output);
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void vpx_idct4_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
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void iadst4_dspr2(const int16_t *input, int16_t *output);
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void idct8_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows);
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void idct8_columns_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
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void iadst8_dspr2(const int16_t *input, int16_t *output);
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void idct16_rows_dspr2(const int16_t *input, int16_t *output, uint32_t no_rows);
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void idct16_cols_add_blk_dspr2(int16_t *input, uint8_t *dest, int stride);
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void iadst16_dspr2(const int16_t *input, int16_t *output);
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#endif // #if HAVE_DSPR2
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VPX_DSP_MIPS_INV_TXFM_DSPR2_H_
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