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  1. /*
  2.  * This file is part of FFmpeg.
  3.  *
  4.  * FFmpeg is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU Lesser General Public
  6.  * License as published by the Free Software Foundation; either
  7.  * version 2.1 of the License, or (at your option) any later version.
  8.  *
  9.  * FFmpeg is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12.  * Lesser General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU Lesser General Public
  15.  * License along with FFmpeg; if not, write to the Free Software
  16.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17.  */
  18.  
  19. #ifndef AVCODEC_MPEGVIDEOENCDSP_H
  20. #define AVCODEC_MPEGVIDEOENCDSP_H
  21.  
  22. #include <stdint.h>
  23.  
  24. #include "avcodec.h"
  25.  
  26. #define BASIS_SHIFT 16
  27. #define RECON_SHIFT 6
  28.  
  29. #define EDGE_TOP    1
  30. #define EDGE_BOTTOM 2
  31.  
  32. typedef struct MpegvideoEncDSPContext {
  33.     int (*try_8x8basis)(int16_t rem[64], int16_t weight[64],
  34.                         int16_t basis[64], int scale);
  35.     void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
  36.  
  37.     int (*pix_sum)(uint8_t *pix, int line_size);
  38.     int (*pix_norm1)(uint8_t *pix, int line_size);
  39.  
  40.     void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src,
  41.                       int src_wrap, int width, int height);
  42.  
  43.     void (*draw_edges)(uint8_t *buf, int wrap, int width, int height,
  44.                        int w, int h, int sides);
  45. } MpegvideoEncDSPContext;
  46.  
  47. void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c,
  48.                              AVCodecContext *avctx);
  49. void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c,
  50.                                  AVCodecContext *avctx);
  51. void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c,
  52.                                  AVCodecContext *avctx);
  53. void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c,
  54.                                  AVCodecContext *avctx);
  55. void ff_mpegvideoencdsp_init_mips(MpegvideoEncDSPContext *c,
  56.                                   AVCodecContext *avctx);
  57.  
  58. #endif /* AVCODEC_MPEGVIDEOENCDSP_H */
  59.