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ffmpeg-4.2.2/libavcodec/mips/h264chroma_init_mips.c 2.2 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2015 Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
   * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
   *
   * 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
   */
  
  #include "h264chroma_mips.h"
  
  #if HAVE_MSA
  static av_cold void h264chroma_init_msa(H264ChromaContext *c, int bit_depth)
  {
      const int high_bit_depth = bit_depth > 8;
  
      if (!high_bit_depth) {
          c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_msa;
          c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_msa;
          c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_msa;
  
          c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_msa;
          c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_msa;
          c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_msa;
      }
  }
  #endif  // #if HAVE_MSA
  
  #if HAVE_MMI
  static av_cold void h264chroma_init_mmi(H264ChromaContext *c, int bit_depth)
  {
      int high_bit_depth = bit_depth > 8;
  
      if (!high_bit_depth) {
          c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_mmi;
          c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_mmi;
          c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_mmi;
          c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_mmi;
      }
  }
  #endif /* HAVE_MMI */
  
  av_cold void ff_h264chroma_init_mips(H264ChromaContext *c, int bit_depth)
  {
  #if HAVE_MMI
      h264chroma_init_mmi(c, bit_depth);
  #endif /* HAVE_MMI */
  #if HAVE_MSA
      h264chroma_init_msa(c, bit_depth);
  #endif  // #if HAVE_MSA
  }