/* * 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) ((int) ((x) * (1 << s) + 0.5) & 0xffff) #define C64(x) ((uint64_t)((x) | (x) << 16)) <<32 | (uint64_t)(x) | (uint64_t)(x) << 16 #define FIX64(x,s) C64(FIX(x,s)) #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; uint8_t *non_b_qp_table; int non_b_qp_alloc_size; 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 */