libavcodec/pixblockdsp.h

   1 /*
   2  * This file is part of Libav.
   3  *
   4  * Libav 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  * Libav 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 Libav; 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 "config.h"
  25
  26 #include "avcodec.h"
  27
  28 typedef struct PixblockDSPContext {
  29     void (*get_pixels)(int16_t *restrict block /* align 16 */,
  30                        const uint8_t *pixels /* align 8 */,
  31                        ptrdiff_t stride);
  32     void (*diff_pixels)(int16_t *restrict block /* align 16 */,
  33                         const uint8_t *s1 /* align 8 */,
  34                         const uint8_t *s2 /* align 8 */,
  35                         ptrdiff_t stride);
  36 } PixblockDSPContext;
  37
  38 void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);
  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
  46 #endif /* AVCODEC_PIXBLOCKDSP_H */