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  1. /*
  2.  * Apple ProRes compatible decoder
  3.  *
  4.  * Copyright (c) 2010-2011 Maxim Poliakovski
  5.  *
  6.  * This file is part of FFmpeg.
  7.  *
  8.  * FFmpeg is free software; you can redistribute it and/or
  9.  * modify it under the terms of the GNU Lesser General Public
  10.  * License as published by the Free Software Foundation; either
  11.  * version 2.1 of the License, or (at your option) any later version.
  12.  *
  13.  * FFmpeg is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16.  * Lesser General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU Lesser General Public
  19.  * License along with FFmpeg; if not, write to the Free Software
  20.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21.  */
  22.  
  23. #include "libavutil/attributes.h"
  24. #include "libavutil/x86/cpu.h"
  25. #include "libavcodec/dsputil.h"
  26. #include "libavcodec/proresdsp.h"
  27.  
  28. void ff_prores_idct_put_10_sse2(uint16_t *dst, int linesize,
  29.                                 int16_t *block, const int16_t *qmat);
  30. void ff_prores_idct_put_10_sse4(uint16_t *dst, int linesize,
  31.                                 int16_t *block, const int16_t *qmat);
  32. void ff_prores_idct_put_10_avx (uint16_t *dst, int linesize,
  33.                                 int16_t *block, const int16_t *qmat);
  34.  
  35. av_cold void ff_proresdsp_x86_init(ProresDSPContext *dsp, AVCodecContext *avctx)
  36. {
  37. #if ARCH_X86_64
  38.     int cpu_flags = av_get_cpu_flags();
  39.  
  40.     if(avctx->flags & CODEC_FLAG_BITEXACT)
  41.         return;
  42.  
  43.     if (EXTERNAL_SSE2(cpu_flags)) {
  44.         dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
  45.         dsp->idct_put = ff_prores_idct_put_10_sse2;
  46.     }
  47.  
  48.     if (EXTERNAL_SSE4(cpu_flags)) {
  49.         dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
  50.         dsp->idct_put = ff_prores_idct_put_10_sse4;
  51.     }
  52.  
  53.     if (EXTERNAL_AVX(cpu_flags)) {
  54.         dsp->idct_permutation_type = FF_TRANSPOSE_IDCT_PERM;
  55.         dsp->idct_put = ff_prores_idct_put_10_avx;
  56.     }
  57. #endif /* ARCH_X86_64 */
  58. }
  59.