96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
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/*
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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* Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru>
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* Copyright (c) 2014 Arwa Arif <arwaarif1994@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef AVFILTER_FSPP_H
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#define AVFILTER_FSPP_H
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#include "avfilter.h"
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#define BLOCKSZ 12
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#define MAX_LEVEL 5
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#define DCTSIZE 8
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#define DCTSIZE_S "8"
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#define FIX(x,s) ((x) * (1 << s) + 0.5)
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#define MULTIPLY16H(x,k) (((x) * (k)) >> 16)
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#define THRESHOLD(r,x,t) \
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if(((unsigned)((x) + t)) > t * 2) r = (x); \
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else r = 0;
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#define DESCALE(x,n) (((x) + (1 << ((n) - 1))) >> n)
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typedef int32_t int_simd16_t;
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static const int16_t FIX_0_382683433 = FIX(0.382683433, 14);
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static const int16_t FIX_0_541196100 = FIX(0.541196100, 14);
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static const int16_t FIX_0_707106781 = FIX(M_SQRT1_2 , 14);
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static const int16_t FIX_1_306562965 = FIX(1.306562965, 14);
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static const int16_t FIX_1_414213562_A = FIX(M_SQRT2 , 14);
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static const int16_t FIX_1_847759065 = FIX(1.847759065, 13);
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static const int16_t FIX_2_613125930 = FIX(-2.613125930, 13);
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static const int16_t FIX_1_414213562 = FIX(M_SQRT2 , 13);
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static const int16_t FIX_1_082392200 = FIX(1.082392200, 13);
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typedef struct FSPPContext {
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AVClass *class;
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uint64_t threshold_mtx_noq[8 * 2];
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uint64_t threshold_mtx[8 * 2]; //used in both C & MMX (& later SSE2) versions
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int log2_count;
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int strength;
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int hsub;
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int vsub;
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int temp_stride;
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int qp;
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int qscale_type;
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int prev_q;
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uint8_t *src;
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int16_t *temp;
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uint8_t *non_b_qp_table;
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int non_b_qp_alloc_size;
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int use_bframe_qp;
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void (*store_slice)(uint8_t *dst, int16_t *src,
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ptrdiff_t dst_stride, ptrdiff_t src_stride,
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ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);
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void (*store_slice2)(uint8_t *dst, int16_t *src,
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ptrdiff_t dst_stride, ptrdiff_t src_stride,
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ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale);
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void (*mul_thrmat)(int16_t *thr_adr_noq, int16_t *thr_adr, int q);
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void (*column_fidct)(int16_t *thr_adr, int16_t *data,
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int16_t *output, int cnt);
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void (*row_idct)(int16_t *workspace, int16_t *output_adr,
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ptrdiff_t output_stride, int cnt);
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void (*row_fdct)(int16_t *data, const uint8_t *pixels,
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ptrdiff_t line_size, int cnt);
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} FSPPContext;
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void ff_fspp_init_x86(FSPPContext *fspp);
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#endif /* AVFILTER_FSPP_H */
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