1 /* 2 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> 3 * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru> 4 * Copyright (c) 2014 Arwa Arif <arwaarif1994@gmail.com> 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License along 19 * with FFmpeg; if not, write to the Free Software Foundation, Inc., 20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 21 */ 22 23 #ifndef AVFILTER_FSPP_H 24 #define AVFILTER_FSPP_H 25 26 #include "libavutil/video_enc_params.h" 27 #include "avfilter.h" 28 29 #define BLOCKSZ 12 30 #define MAX_LEVEL 5 31 32 #define DCTSIZE 8 33 #define DCTSIZE_S "8" 34 35 #define FIX(x,s) ((x) * (1 << s) + 0.5) 36 37 #define MULTIPLY16H(x,k) (((x) * (k)) >> 16) 38 #define THRESHOLD(r,x,t) \ 39 if(((unsigned)((x) + t)) > t * 2) r = (x); \ 40 else r = 0; 41 #define DESCALE(x,n) (((x) + (1 << ((n) - 1))) >> n) 42 43 typedef int32_t int_simd16_t; 44 static const int16_t FIX_0_382683433 = FIX(0.382683433, 14); 45 static const int16_t FIX_0_541196100 = FIX(0.541196100, 14); 46 static const int16_t FIX_0_707106781 = FIX(M_SQRT1_2 , 14); 47 static const int16_t FIX_1_306562965 = FIX(1.306562965, 14); 48 static const int16_t FIX_1_414213562_A = FIX(M_SQRT2 , 14); 49 static const int16_t FIX_1_847759065 = FIX(1.847759065, 13); 50 static const int16_t FIX_2_613125930 = FIX(-2.613125930, 13); 51 static const int16_t FIX_1_414213562 = FIX(M_SQRT2 , 13); 52 static const int16_t FIX_1_082392200 = FIX(1.082392200, 13); 53 54 typedef struct FSPPContext { 55 AVClass *class; 56 uint64_t threshold_mtx_noq[8 * 2]; 57 uint64_t threshold_mtx[8 * 2]; //used in both C & MMX (& later SSE2) versions 58 59 int log2_count; 60 int strength; 61 int hsub; 62 int vsub; 63 int temp_stride; 64 int qp; 65 enum AVVideoEncParamsType qscale_type; 66 int prev_q; 67 uint8_t *src; 68 int16_t *temp; 69 int8_t *non_b_qp_table; 70 int non_b_qp_stride; 71 int use_bframe_qp; 72 73 void (*store_slice)(uint8_t *dst, int16_t *src, 74 ptrdiff_t dst_stride, ptrdiff_t src_stride, 75 ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale); 76 77 void (*store_slice2)(uint8_t *dst, int16_t *src, 78 ptrdiff_t dst_stride, ptrdiff_t src_stride, 79 ptrdiff_t width, ptrdiff_t height, ptrdiff_t log2_scale); 80 81 void (*mul_thrmat)(int16_t *thr_adr_noq, int16_t *thr_adr, int q); 82 83 void (*column_fidct)(int16_t *thr_adr, int16_t *data, 84 int16_t *output, int cnt); 85 86 void (*row_idct)(int16_t *workspace, int16_t *output_adr, 87 ptrdiff_t output_stride, int cnt); 88 89 void (*row_fdct)(int16_t *data, const uint8_t *pixels, 90 ptrdiff_t line_size, int cnt); 91 92 } FSPPContext; 93 94 void ff_fspp_init_x86(FSPPContext *fspp); 95 96 #endif /* AVFILTER_FSPP_H */ 97