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ffmpeg-4.2.2/libavcodec/x86/utvideodsp_init.c 2.33 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2017 Paul B Mahol
   *
   * 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 "config.h"
  #include "libavutil/attributes.h"
  #include "libavutil/cpu.h"
  #include "libavutil/x86/asm.h"
  #include "libavutil/x86/cpu.h"
  #include "libavcodec/utvideodsp.h"
  
  void ff_restore_rgb_planes_sse2(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b,
                                  ptrdiff_t linesize_r, ptrdiff_t linesize_g,
                                  ptrdiff_t linesize_b, int width, int height);
  void ff_restore_rgb_planes_avx2(uint8_t *src_r, uint8_t *src_g, uint8_t *src_b,
                                  ptrdiff_t linesize_r, ptrdiff_t linesize_g,
                                  ptrdiff_t linesize_b, int width, int height);
  
  void ff_restore_rgb_planes10_sse2(uint16_t *src_r, uint16_t *src_g, uint16_t *src_b,
                                    ptrdiff_t linesize_r, ptrdiff_t linesize_g,
                                    ptrdiff_t linesize_b, int width, int height);
  void ff_restore_rgb_planes10_avx2(uint16_t *src_r, uint16_t *src_g, uint16_t *src_b,
                                    ptrdiff_t linesize_r, ptrdiff_t linesize_g,
                                    ptrdiff_t linesize_b, int width, int height);
  
  av_cold void ff_utvideodsp_init_x86(UTVideoDSPContext *c)
  {
      int cpu_flags = av_get_cpu_flags();
  
      if (EXTERNAL_SSE2(cpu_flags)) {
          c->restore_rgb_planes   = ff_restore_rgb_planes_sse2;
          c->restore_rgb_planes10 = ff_restore_rgb_planes10_sse2;
      }
      if (EXTERNAL_AVX2_FAST(cpu_flags)) {
          c->restore_rgb_planes   = ff_restore_rgb_planes_avx2;
          c->restore_rgb_planes10 = ff_restore_rgb_planes10_avx2;
      }
  }