ffmpeg/libavcodec/lossless_videodsp.h

   1 /*
   2  * Lossless video DSP utils
   3  *
   4  * This file is part of FFmpeg.
   5  *
   6  * FFmpeg is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * FFmpeg is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with FFmpeg; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21
  22 #ifndef AVCODEC_LOSSLESS_VIDEODSP_H
  23 #define AVCODEC_LOSSLESS_VIDEODSP_H
  24
  25 #include "avcodec.h"
  26 #include "libavutil/cpu.h"
  27
  28 typedef struct LLVidDSPContext {
  29     void (*add_int16)(uint16_t *dst/*align 16*/, const uint16_t *src/*align 16*/, unsigned mask, int w);
  30     void (*diff_int16)(uint16_t *dst/*align 16*/, const uint16_t *src1/*align 16*/, const uint16_t *src2/*align 1*/, unsigned mask, int w);
  31
  32     void (*sub_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *src1, const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
  33     void (*add_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
  34     int  (*add_hfyu_left_pred_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w, unsigned left);
  35 } LLVidDSPContext;
  36
  37 void ff_llviddsp_init(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
  38 void ff_llviddsp_init_x86(LLVidDSPContext *llviddsp, AVCodecContext *avctx);
  39
  40 #endif //AVCODEC_LOSSLESS_VIDEODSP_H