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ffmpeg-4.2.2/libavcodec/h264chroma.h 1.56 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_H264CHROMA_H
  #define AVCODEC_H264CHROMA_H
  
  #include <stddef.h>
  #include <stdint.h>
  
  typedef void (*h264_chroma_mc_func)(uint8_t *dst /*align 8*/, uint8_t *src /*align 1*/, ptrdiff_t srcStride, int h, int x, int y);
  
  typedef struct H264ChromaContext {
      h264_chroma_mc_func put_h264_chroma_pixels_tab[4];
      h264_chroma_mc_func avg_h264_chroma_pixels_tab[4];
  } H264ChromaContext;
  
  void ff_h264chroma_init(H264ChromaContext *c, int bit_depth);
  
  void ff_h264chroma_init_aarch64(H264ChromaContext *c, int bit_depth);
  void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth);
  void ff_h264chroma_init_ppc(H264ChromaContext *c, int bit_depth);
  void ff_h264chroma_init_x86(H264ChromaContext *c, int bit_depth);
  void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth);
  
  #endif /* AVCODEC_H264CHROMA_H */