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  1. /*
  2.  * Copyright (c) 2009 David Conrad <lessen42@gmail.com>
  3.  *
  4.  * This file is part of FFmpeg.
  5.  *
  6.  * FFmpeg is free software; you can redistribute it and/or
  7.  * modify it under the terms of the GNU Lesser General Public
  8.  * License as published by the Free Software Foundation; either
  9.  * version 2.1 of the License, or (at your option) any later version.
  10.  *
  11.  * FFmpeg is distributed in the hope that it will be useful,
  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14.  * Lesser General Public License for more details.
  15.  *
  16.  * You should have received a copy of the GNU Lesser General Public
  17.  * License along with FFmpeg; if not, write to the Free Software
  18.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19.  */
  20.  
  21. #include <stdint.h>
  22.  
  23. #include "libavutil/attributes.h"
  24. #include "libavutil/cpu.h"
  25. #include "libavutil/x86/cpu.h"
  26. #include "libavcodec/avcodec.h"
  27. #include "libavcodec/vp3dsp.h"
  28.  
  29. void ff_vp3_idct_put_mmx(uint8_t *dest, int line_size, int16_t *block);
  30. void ff_vp3_idct_add_mmx(uint8_t *dest, int line_size, int16_t *block);
  31.  
  32. void ff_vp3_idct_put_sse2(uint8_t *dest, int line_size, int16_t *block);
  33. void ff_vp3_idct_add_sse2(uint8_t *dest, int line_size, int16_t *block);
  34.  
  35. void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, int line_size,
  36.                                int16_t *block);
  37.  
  38. void ff_vp3_v_loop_filter_mmxext(uint8_t *src, int stride,
  39.                                  int *bounding_values);
  40. void ff_vp3_h_loop_filter_mmxext(uint8_t *src, int stride,
  41.                                  int *bounding_values);
  42.  
  43. void ff_put_vp_no_rnd_pixels8_l2_mmx(uint8_t *dst, const uint8_t *a,
  44.                                      const uint8_t *b, ptrdiff_t stride,
  45.                                      int h);
  46.  
  47. av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
  48. {
  49.     int cpu_flags = av_get_cpu_flags();
  50.  
  51.     if (EXTERNAL_MMX(cpu_flags)) {
  52.         c->put_no_rnd_pixels_l2 = ff_put_vp_no_rnd_pixels8_l2_mmx;
  53. #if ARCH_X86_32
  54.         c->idct_put  = ff_vp3_idct_put_mmx;
  55.         c->idct_add  = ff_vp3_idct_add_mmx;
  56. #endif
  57.     }
  58.  
  59.     if (EXTERNAL_MMXEXT(cpu_flags)) {
  60.         c->idct_dc_add = ff_vp3_idct_dc_add_mmxext;
  61.  
  62.         if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
  63.             c->v_loop_filter = ff_vp3_v_loop_filter_mmxext;
  64.             c->h_loop_filter = ff_vp3_h_loop_filter_mmxext;
  65.         }
  66.     }
  67.  
  68.     if (EXTERNAL_SSE2(cpu_flags)) {
  69.         c->idct_put  = ff_vp3_idct_put_sse2;
  70.         c->idct_add  = ff_vp3_idct_add_sse2;
  71.     }
  72. }
  73.