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  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/dsputil.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.     DSPContext dsp;
  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 */
  60.