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97 lines
4.7 KiB
97 lines
4.7 KiB
2 years ago
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/*
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* H.265 video codec.
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* Copyright (c) 2013-2014 struktur AG, Dirk Farin <farin@struktur.de>
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*
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* This file is part of libde265.
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*
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* libde265 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* libde265 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libde265. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FALLBACK_DCT_H
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#define FALLBACK_DCT_H
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#include <stddef.h>
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#include <stdint.h>
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#include "util.h"
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// --- decoding ---
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void transform_skip_8_fallback(uint8_t *dst, const int16_t *coeffs, ptrdiff_t stride);
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void transform_bypass_fallback(int32_t *r, const int16_t *coeffs, int nT);
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void transform_skip_rdpcm_v_8_fallback(uint8_t *dst, const int16_t *coeffs, int nT, ptrdiff_t stride);
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void transform_skip_rdpcm_h_8_fallback(uint8_t *dst, const int16_t *coeffs, int nT, ptrdiff_t stride);
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void transform_bypass_rdpcm_v_fallback(int32_t *r, const int16_t *coeffs,int nT);
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void transform_bypass_rdpcm_h_fallback(int32_t *r, const int16_t *coeffs,int nT);
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void transform_4x4_luma_add_8_fallback(uint8_t *dst, const int16_t *coeffs, ptrdiff_t stride);
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void transform_4x4_add_8_fallback(uint8_t *dst, const int16_t *coeffs, ptrdiff_t stride);
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void transform_8x8_add_8_fallback(uint8_t *dst, const int16_t *coeffs, ptrdiff_t stride);
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void transform_16x16_add_8_fallback(uint8_t *dst, const int16_t *coeffs, ptrdiff_t stride);
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void transform_32x32_add_8_fallback(uint8_t *dst, const int16_t *coeffs, ptrdiff_t stride);
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void transform_skip_16_fallback(uint16_t *dst, const int16_t *coeffs, ptrdiff_t stride, int bit_depth);
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void transform_bypass_16_fallback(uint16_t *dst, const int16_t *coeffs, int nT, ptrdiff_t stride, int bit_depth);
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void transform_4x4_luma_add_16_fallback(uint16_t *dst, const int16_t *coeffs, ptrdiff_t stride, int bit_depth);
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void transform_4x4_add_16_fallback(uint16_t *dst, const int16_t *coeffs, ptrdiff_t stride, int bit_depth);
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void transform_8x8_add_16_fallback(uint16_t *dst, const int16_t *coeffs, ptrdiff_t stride, int bit_depth);
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void transform_16x16_add_16_fallback(uint16_t *dst, const int16_t *coeffs, ptrdiff_t stride, int bit_depth);
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void transform_32x32_add_16_fallback(uint16_t *dst, const int16_t *coeffs, ptrdiff_t stride, int bit_depth);
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void rotate_coefficients_fallback(int16_t *coeff, int nT);
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void transform_idst_4x4_fallback(int32_t *dst, const int16_t *coeffs, int bdShift, int max_coeff_bits);
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void transform_idct_4x4_fallback(int32_t *dst, const int16_t *coeffs, int bdShift, int max_coeff_bits);
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void transform_idct_8x8_fallback(int32_t *dst, const int16_t *coeffs, int bdShift, int max_coeff_bits);
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void transform_idct_16x16_fallback(int32_t *dst, const int16_t *coeffs, int bdShift, int max_coeff_bits);
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void transform_idct_32x32_fallback(int32_t *dst, const int16_t *coeffs, int bdShift, int max_coeff_bits);
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template <class pixel_t>
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void add_residual_fallback(pixel_t *dst, ptrdiff_t stride,
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const int32_t* r, int nT, int bit_depth)
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{
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for (int y=0;y<nT;y++)
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for (int x=0;x<nT;x++) {
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dst[y*stride+x] = Clip_BitDepth(dst[y*stride+x] + r[y*nT+x], bit_depth);
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}
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}
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void rdpcm_v_fallback(int32_t* residual, const int16_t* coeffs, int nT, int tsShift,int bdShift);
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void rdpcm_h_fallback(int32_t* residual, const int16_t* coeffs, int nT, int tsShift,int bdShift);
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void transform_skip_residual_fallback(int32_t *residual, const int16_t *coeffs, int nT,
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int tsShift,int bdShift);
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// --- encoding ---
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void fdst_4x4_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void fdct_4x4_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void fdct_8x8_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void fdct_16x16_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void fdct_32x32_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void hadamard_4x4_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void hadamard_8x8_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void hadamard_16x16_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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void hadamard_32x32_8_fallback(int16_t *coeffs, const int16_t *input, ptrdiff_t stride);
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#endif
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