vpx_scale/generic/scalesystemdependent.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11
  12 #include "vpx_ports/config.h"
  13 #include "vpx_scale/vpxscale.h"
  14
  15
  16 void (*vp8_yv12_extend_frame_borders_ptr)(YV12_BUFFER_CONFIG *ybf);
  17 extern void vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf);
  18
  19 void (*vp8_yv12_copy_frame_yonly_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  20 extern void vp8_yv12_copy_frame_yonly(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  21
  22 void (*vp8_yv12_copy_frame_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  23 extern void vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
  24
  25 /****************************************************************************
  26 *  Imports
  27 *****************************************************************************/
  28
  29 /****************************************************************************
  30  *
  31  *  ROUTINE       : vp8_scale_machine_specific_config
  32  *
  33  *  INPUTS        : UINT32 Version : Codec version number.
  34  *
  35  *  OUTPUTS       : None.
  36  *
  37  *  RETURNS       : void
  38  *
  39  *  FUNCTION      : Checks for machine specifc features such as MMX support
  40  *                  sets appropriate flags and function pointers.
  41  *
  42  *  SPECIAL NOTES : None.
  43  *
  44  ****************************************************************************/
  45 void vp8_scale_machine_specific_config()
  46 {
  47 #if CONFIG_SPATIAL_RESAMPLING
  48     vp8_horizontal_line_1_2_scale        = vp8cx_horizontal_line_1_2_scale_c;
  49     vp8_vertical_band_1_2_scale          = vp8cx_vertical_band_1_2_scale_c;
  50     vp8_last_vertical_band_1_2_scale      = vp8cx_last_vertical_band_1_2_scale_c;
  51     vp8_horizontal_line_3_5_scale        = vp8cx_horizontal_line_3_5_scale_c;
  52     vp8_vertical_band_3_5_scale          = vp8cx_vertical_band_3_5_scale_c;
  53     vp8_last_vertical_band_3_5_scale      = vp8cx_last_vertical_band_3_5_scale_c;
  54     vp8_horizontal_line_3_4_scale        = vp8cx_horizontal_line_3_4_scale_c;
  55     vp8_vertical_band_3_4_scale          = vp8cx_vertical_band_3_4_scale_c;
  56     vp8_last_vertical_band_3_4_scale      = vp8cx_last_vertical_band_3_4_scale_c;
  57     vp8_horizontal_line_2_3_scale        = vp8cx_horizontal_line_2_3_scale_c;
  58     vp8_vertical_band_2_3_scale          = vp8cx_vertical_band_2_3_scale_c;
  59     vp8_last_vertical_band_2_3_scale      = vp8cx_last_vertical_band_2_3_scale_c;
  60     vp8_horizontal_line_4_5_scale        = vp8cx_horizontal_line_4_5_scale_c;
  61     vp8_vertical_band_4_5_scale          = vp8cx_vertical_band_4_5_scale_c;
  62     vp8_last_vertical_band_4_5_scale      = vp8cx_last_vertical_band_4_5_scale_c;
  63
  64
  65     vp8_vertical_band_5_4_scale           = vp8cx_vertical_band_5_4_scale_c;
  66     vp8_vertical_band_5_3_scale           = vp8cx_vertical_band_5_3_scale_c;
  67     vp8_vertical_band_2_1_scale           = vp8cx_vertical_band_2_1_scale_c;
  68     vp8_vertical_band_2_1_scale_i         = vp8cx_vertical_band_2_1_scale_i_c;
  69     vp8_horizontal_line_2_1_scale         = vp8cx_horizontal_line_2_1_scale_c;
  70     vp8_horizontal_line_5_3_scale         = vp8cx_horizontal_line_5_3_scale_c;
  71     vp8_horizontal_line_5_4_scale         = vp8cx_horizontal_line_5_4_scale_c;
  72 #endif
  73
  74     vp8_yv12_extend_frame_borders_ptr      = vp8_yv12_extend_frame_borders;
  75     vp8_yv12_copy_frame_yonly_ptr          = vp8_yv12_copy_frame_yonly;
  76     vp8_yv12_copy_frame_ptr           = vp8_yv12_copy_frame;
  77
  78 }