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ffmpeg-4.2.2/libavcodec/x86/v210enc_init.c 2.2 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
   */
  
  #include "libavutil/x86/cpu.h"
  #include "libavcodec/v210enc.h"
  
  void ff_v210_planar_pack_8_ssse3(const uint8_t *y, const uint8_t *u,
                                   const uint8_t *v, uint8_t *dst,
                                   ptrdiff_t width);
  void ff_v210_planar_pack_8_avx(const uint8_t *y, const uint8_t *u,
                                 const uint8_t *v, uint8_t *dst, ptrdiff_t width);
  void ff_v210_planar_pack_8_avx2(const uint8_t *y, const uint8_t *u,
                                  const uint8_t *v, uint8_t *dst, ptrdiff_t width);
  void ff_v210_planar_pack_10_ssse3(const uint16_t *y, const uint16_t *u,
                                    const uint16_t *v, uint8_t *dst,
                                    ptrdiff_t width);
  void ff_v210_planar_pack_10_avx2(const uint16_t *y, const uint16_t *u,
                                   const uint16_t *v, uint8_t *dst,
                                   ptrdiff_t width);
  
  av_cold void ff_v210enc_init_x86(V210EncContext *s)
  {
      int cpu_flags = av_get_cpu_flags();
  
      if (EXTERNAL_SSSE3(cpu_flags)) {
          s->pack_line_8 = ff_v210_planar_pack_8_ssse3;
          s->pack_line_10 = ff_v210_planar_pack_10_ssse3;
      }
  
      if (EXTERNAL_AVX(cpu_flags))
          s->pack_line_8 = ff_v210_planar_pack_8_avx;
  
      if (EXTERNAL_AVX2(cpu_flags)) {
          s->sample_factor_8  = 2;
          s->pack_line_8      = ff_v210_planar_pack_8_avx2;
          s->sample_factor_10 = 2;
          s->pack_line_10     = ff_v210_planar_pack_10_avx2;
      }
  }