/*
  * Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv>
  *
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 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 General Public License for more details.
  *
  * You should have received a copy of the GNU 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/attributes.h"
 #include "libavutil/cpu.h"
 #include "libavutil/internal.h"
 #include "libavutil/mem.h"
 #include "libavutil/x86/asm.h"
 #include "libavutil/x86/cpu.h"
 
 #include "libavfilter/tinterlace.h"
 
 void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize,

                           const uint8_t *srcp, ptrdiff_t mref,
                           ptrdiff_t pref, int clip_max);

 void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize,

                           const uint8_t *srcp, ptrdiff_t mref,
                           ptrdiff_t pref, int clip_max);
 
 void ff_lowpass_line_16_sse2(uint8_t *dstp, ptrdiff_t linesize,
                              const uint8_t *srcp, ptrdiff_t mref,
                              ptrdiff_t pref, int clip_max);
 void ff_lowpass_line_16_avx (uint8_t *dstp, ptrdiff_t linesize,
                              const uint8_t *srcp, ptrdiff_t mref,
                              ptrdiff_t pref, int clip_max);

 void ff_lowpass_line_complex_sse2(uint8_t *dstp, ptrdiff_t linesize,

                                   const uint8_t *srcp, ptrdiff_t mref,
                                   ptrdiff_t pref, int clip_max);
 
 void ff_lowpass_line_complex_12_sse2(uint8_t *dstp, ptrdiff_t linesize,
                                      const uint8_t *srcp, ptrdiff_t mref,
                                      ptrdiff_t pref, int clip_max);

 av_cold void ff_tinterlace_init_x86(TInterlaceContext *s)
 {
     int cpu_flags = av_get_cpu_flags();
 

     if (s->csp->comp[0].depth > 8) {
         if (EXTERNAL_SSE2(cpu_flags)) {
             if (!(s->flags & TINTERLACE_FLAG_CVLPF))
                 s->lowpass_line = ff_lowpass_line_16_sse2;
             else
                 s->lowpass_line = ff_lowpass_line_complex_12_sse2;
         }
         if (EXTERNAL_AVX(cpu_flags))
             if (!(s->flags & TINTERLACE_FLAG_CVLPF))
                 s->lowpass_line = ff_lowpass_line_16_avx;
     } else {
         if (EXTERNAL_SSE2(cpu_flags)) {
             if (!(s->flags & TINTERLACE_FLAG_CVLPF))
                 s->lowpass_line = ff_lowpass_line_sse2;
             else
                 s->lowpass_line = ff_lowpass_line_complex_sse2;
         }
         if (EXTERNAL_AVX(cpu_flags))
             if (!(s->flags & TINTERLACE_FLAG_CVLPF))
                 s->lowpass_line = ff_lowpass_line_avx;

     }

 }