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ffmpeg-4.2.2/libavcodec/mips/pixblockdsp_init_mips.c 2.13 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
   *                    Zhou Xiaoyong <zhouxiaoyong@loongson.cn>
   *
   * 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 "pixblockdsp_mips.h"
  
  #if HAVE_MSA
  static av_cold void pixblockdsp_init_msa(PixblockDSPContext *c,
                                           AVCodecContext *avctx,
                                           unsigned high_bit_depth)
  {
      c->diff_pixels = ff_diff_pixels_msa;
  
      switch (avctx->bits_per_raw_sample) {
      case 9:
      case 10:
      case 12:
      case 14:
          c->get_pixels = ff_get_pixels_16_msa;
          break;
      default:
          if (avctx->bits_per_raw_sample <= 8 || avctx->codec_type !=
              AVMEDIA_TYPE_VIDEO) {
              c->get_pixels = ff_get_pixels_8_msa;
          }
          break;
      }
  }
  #endif  // #if HAVE_MSA
  
  #if HAVE_MMI
  static av_cold void pixblockdsp_init_mmi(PixblockDSPContext *c,
          AVCodecContext *avctx, unsigned high_bit_depth)
  {
      c->diff_pixels = ff_diff_pixels_mmi;
  
      if (!high_bit_depth || avctx->codec_type != AVMEDIA_TYPE_VIDEO) {
          c->get_pixels = ff_get_pixels_8_mmi;
      }
  }
  #endif /* HAVE_MMI */
  
  void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
                                unsigned high_bit_depth)
  {
  #if HAVE_MMI
      pixblockdsp_init_mmi(c, avctx, high_bit_depth);
  #endif /* HAVE_MMI */
  #if HAVE_MSA
      pixblockdsp_init_msa(c, avctx, high_bit_depth);
  #endif  // #if HAVE_MSA
  }