1 /* 2 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> 3 * Copyright (c) 2013 Clément Bœsch 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with FFmpeg; if not, write to the Free Software Foundation, Inc., 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 20 */ 21 22 #ifndef AVFILTER_SPP_H 23 #define AVFILTER_SPP_H 24 25 #include "libavcodec/avdct.h" 26 #include "avfilter.h" 27 28 #define MAX_LEVEL 6 /* quality levels */ 29 30 typedef struct SPPContext { 31 const AVClass *av_class; 32 33 int log2_count; 34 int qp; 35 int mode; 36 int qscale_type; 37 int temp_linesize; 38 uint8_t *src; 39 uint16_t *temp; 40 AVDCT *dct; 41 int8_t *non_b_qp_table; 42 int non_b_qp_stride; 43 int use_bframe_qp; 44 int hsub, vsub; 45 46 void (*store_slice)(uint8_t *dst, const int16_t *src, 47 int dst_stride, int src_stride, 48 int width, int height, int log2_scale, 49 const uint8_t dither[8][8]); 50 51 void (*requantize)(int16_t dst[64], const int16_t src[64], 52 int qp, const uint8_t *permutation); 53 } SPPContext; 54 55 void ff_spp_init_x86(SPPContext *s); 56 57 #endif /* AVFILTER_SPP_H */ 58