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ffmpeg-4.2.2/libavcodec/mpegvideodsp.h 1.74 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  #ifndef AVCODEC_MPEGVIDEODSP_H
  #define AVCODEC_MPEGVIDEODSP_H
  
  #include <stdint.h>
  
  void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
                int dxx, int dxy, int dyx, int dyy, int shift, int r,
                int width, int height);
  
  typedef struct MpegVideoDSPContext {
      /**
       * translational global motion compensation.
       */
      void (*gmc1)(uint8_t *dst /* align 8 */, uint8_t *src /* align 1 */,
                   int srcStride, int h, int x16, int y16, int rounder);
      /**
       * global motion compensation.
       */
      void (*gmc)(uint8_t *dst /* align 8 */, uint8_t *src /* align 1 */,
                  int stride, int h, int ox, int oy,
                  int dxx, int dxy, int dyx, int dyy,
                  int shift, int r, int width, int height);
  } MpegVideoDSPContext;
  
  void ff_mpegvideodsp_init(MpegVideoDSPContext *c);
  void ff_mpegvideodsp_init_ppc(MpegVideoDSPContext *c);
  void ff_mpegvideodsp_init_x86(MpegVideoDSPContext *c);
  
  #endif /* AVCODEC_MPEGVIDEODSP_H */