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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_PIXBLOCKDSP_H
  20. #define AVCODEC_PIXBLOCKDSP_H
  21.  
  22. #include <stdint.h>
  23.  
  24. #include "avcodec.h"
  25.  
  26. typedef struct PixblockDSPContext {
  27.     void (*get_pixels)(int16_t *block /* align 16 */,
  28.                        const uint8_t *pixels /* align 8 */,
  29.                        ptrdiff_t line_size);
  30.     void (*diff_pixels)(int16_t *block /* align 16 */,
  31.                         const uint8_t *s1 /* align 8 */,
  32.                         const uint8_t *s2 /* align 8 */,
  33.                         int stride);
  34. } PixblockDSPContext;
  35.  
  36. void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);
  37. void ff_pixblockdsp_init_alpha(PixblockDSPContext *c, AVCodecContext *avctx,
  38.                                unsigned high_bit_depth);
  39. void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx,
  40.                              unsigned high_bit_depth);
  41. void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx,
  42.                              unsigned high_bit_depth);
  43. void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx,
  44.                              unsigned high_bit_depth);
  45. void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
  46.                               unsigned high_bit_depth);
  47.  
  48. #endif /* AVCODEC_PIXBLOCKDSP_H */
  49.