| /* |
| * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
| * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru> |
| * Copyright (c) 2014 Arwa Arif <arwaarif1994@gmail.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with FFmpeg; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| #ifndef AVFILTER_FSPP_H |
| #define AVFILTER_FSPP_H |
| |
| #include "avfilter.h" |
| |
| #define BLOCKSZ 12 |
| #define MAX_LEVEL 5 |
| |
| #define DCTSIZE 8 |
| #define DCTSIZE_S "8" |
| |
| #define FIX(x,s) ((x) * (1 << s) + 0.5) |
| |
| #define MULTIPLY16H(x,k) (((x) * (k)) >> 16) |
| #define THRESHOLD(r,x,t) \ |
| if(((unsigned)((x) + t)) > t * 2) r = (x); \ |
| else r = 0; |
| #define DESCALE(x,n) (((x) + (1 << ((n) - 1))) >> n) |
| |
| typedef int32_t int_simd16_t; |
| static const int16_t FIX_0_382683433 = FIX(0.382683433, 14); |
| static const int16_t FIX_0_541196100 = FIX(0.541196100, 14); |
| static const int16_t FIX_0_707106781 = FIX(M_SQRT1_2 , 14); |
| static const int16_t FIX_1_306562965 = FIX(1.306562965, 14); |
| static const int16_t FIX_1_414213562_A = FIX(M_SQRT2 , 14); |
| static const int16_t FIX_1_847759065 = FIX(1.847759065, 13); |
| static const int16_t FIX_2_613125930 = FIX(-2.613125930, 13); |
| static const int16_t FIX_1_414213562 = FIX(M_SQRT2 , 13); |
| static const int16_t FIX_1_082392200 = FIX(1.082392200, 13); |
| |
| typedef struct FSPPContext { |
| AVClass *class; |
| uint64_t threshold_mtx_noq[8 * 2]; |
| uint64_t threshold_mtx[8 * 2]; //used in both C & MMX (& later SSE2) versions |
| |
| int log2_count; |
| int strength; |
| int hsub; |
| int vsub; |
| int temp_stride; |
| int qp; |
| int qscale_type; |
| int prev_q; |
| uint8_t *src; |
| int16_t *temp; |
| int8_t *non_b_qp_table; |
| int non_b_qp_stride; |
| int use_bframe_qp; |
| |
| void (*store_slice)(uint8_t *dst, int16_t *src, |
| ptrdiff_t dst_stride, ptrdiff_t src_stride, |
| ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale); |
| |
| void (*store_slice2)(uint8_t *dst, int16_t *src, |
| ptrdiff_t dst_stride, ptrdiff_t src_stride, |
| ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale); |
| |
| void (*mul_thrmat)(int16_t *thr_adr_noq, int16_t *thr_adr, int q); |
| |
| void (*column_fidct)(int16_t *thr_adr, int16_t *data, |
| int16_t *output, int cnt); |
| |
| void (*row_idct)(int16_t *workspace, int16_t *output_adr, |
| ptrdiff_t output_stride, int cnt); |
| |
| void (*row_fdct)(int16_t *data, const uint8_t *pixels, |
| ptrdiff_t line_size, int cnt); |
| |
| } FSPPContext; |
| |
| void ff_fspp_init_x86(FSPPContext *fspp); |
| |
| #endif /* AVFILTER_FSPP_H */ |