| 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/avcodec.h" |
| 26 | #include "libavcodec/avdct.h" |
| 27 | #include "avfilter.h" |
| 28 | |
| 29 | #define MAX_LEVEL 6 /* quality levels */ |
| 30 | |
| 31 | typedef struct { |
| 32 | const AVClass *av_class; |
| 33 | |
| 34 | int log2_count; |
| 35 | int qp; |
| 36 | int mode; |
| 37 | int qscale_type; |
| 38 | int temp_linesize; |
| 39 | uint8_t *src; |
| 40 | int16_t *temp; |
| 41 | AVCodecContext *avctx; |
| 42 | AVDCT *dct; |
| 43 | int8_t *non_b_qp_table; |
| 44 | int non_b_qp_alloc_size; |
| 45 | int use_bframe_qp; |
| 46 | int hsub, vsub; |
| 47 | |
| 48 | void (*store_slice)(uint8_t *dst, const int16_t *src, |
| 49 | int dst_stride, int src_stride, |
| 50 | int width, int height, int log2_scale, |
| 51 | const uint8_t dither[8][8]); |
| 52 | |
| 53 | void (*requantize)(int16_t dst[64], const int16_t src[64], |
| 54 | int qp, const uint8_t *permutation); |
| 55 | } SPPContext; |
| 56 | |
| 57 | void ff_spp_init_x86(SPPContext *s); |
| 58 | |
| 59 | #endif /* AVFILTER_SPP_H */ |