2010-05-18 17:58:33 +02:00
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/*
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* Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
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*
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2010-06-04 22:19:40 +02:00
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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2010-05-18 17:58:33 +02:00
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*/
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/****************************************************************************
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*
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* Module Title : system_dependant.c
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*
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* Description : Miscellaneous system dependant functions
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*
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****************************************************************************/
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/****************************************************************************
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* Header Files
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****************************************************************************/
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#include "vpx_scale/vpxscale.h"
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#include "cpuidlib.h"
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/****************************************************************************
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* Imports
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*****************************************************************************/
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extern void register_generic_scalers(void);
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extern void register_mmxscalers(void);
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/****************************************************************************
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*
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* ROUTINE : post_proc_machine_specific_config
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*
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* INPUTS : UINT32 Version : Codec version number.
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*
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* OUTPUTS : None.
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*
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* RETURNS : void
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*
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* FUNCTION : Checks for machine specifc features such as MMX support
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* sets appropriate flags and function pointers.
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*
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* SPECIAL NOTES : None.
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*
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****************************************************************************/
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void
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vp8_scale_machine_specific_config(void)
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{
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// If MMX supported then set to use MMX versions of functions else
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// use original 'C' versions.
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int mmx_enabled;
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int xmm_enabled;
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int wmt_enabled;
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vpx_get_processor_flags(&mmx_enabled, &xmm_enabled, &wmt_enabled);
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if (mmx_enabled || xmm_enabled || wmt_enabled)
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{
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register_mmxscalers();
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}
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else
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{
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vp8_horizontal_line_1_2_scale = vp8cx_horizontal_line_1_2_scale_c;
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vp8_vertical_band_1_2_scale = vp8cx_vertical_band_1_2_scale_c;
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vp8_last_vertical_band_1_2_scale = vp8cx_last_vertical_band_1_2_scale_c;
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vp8_horizontal_line_3_5_scale = vp8cx_horizontal_line_3_5_scale_c;
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vp8_vertical_band_3_5_scale = vp8cx_vertical_band_3_5_scale_c;
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vp8_last_vertical_band_3_5_scale = vp8cx_last_vertical_band_3_5_scale_c;
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vp8_horizontal_line_3_4_scale = vp8cx_horizontal_line_3_4_scale_c;
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vp8_vertical_band_3_4_scale = vp8cx_vertical_band_3_4_scale_c;
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vp8_last_vertical_band_3_4_scale = vp8cx_last_vertical_band_3_4_scale_c;
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vp8_horizontal_line_2_3_scale = vp8cx_horizontal_line_2_3_scale_c;
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vp8_vertical_band_2_3_scale = vp8cx_vertical_band_2_3_scale_c;
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vp8_last_vertical_band_2_3_scale = vp8cx_last_vertical_band_2_3_scale_c;
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vp8_horizontal_line_4_5_scale = vp8cx_horizontal_line_4_5_scale_c;
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vp8_vertical_band_4_5_scale = vp8cx_vertical_band_4_5_scale_c;
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vp8_last_vertical_band_4_5_scale = vp8cx_last_vertical_band_4_5_scale_c;
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vp8_vertical_band_5_4_scale = vp8cx_vertical_band_5_4_scale_c;
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vp8_vertical_band_5_3_scale = vp8cx_vertical_band_5_3_scale_c;
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vp8_vertical_band_2_1_scale = vp8cx_vertical_band_2_1_scale_c;
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vp8_vertical_band_2_1_scale_i = vp8cx_vertical_band_2_1_scale_i_c;
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vp8_horizontal_line_2_1_scale = vp8cx_horizontal_line_2_1_scale_c;
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vp8_horizontal_line_5_3_scale = vp8cx_horizontal_line_5_3_scale_c;
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vp8_horizontal_line_5_4_scale = vp8cx_horizontal_line_5_4_scale_c;
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}
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}
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