ref: 8064583d2621a159b01508c1fd0017c4e7887938
dir: /vpx_scale/arm/scalesystemdependant.c/
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "vpx_ports/config.h"
#include "vpx_ports/arm.h"
#include "vpx_scale/vpxscale.h"
void (*vp8_yv12_extend_frame_borders_ptr)(YV12_BUFFER_CONFIG *ybf);
extern void vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf);
extern void vp8_yv12_extend_frame_borders_neon(YV12_BUFFER_CONFIG *ybf);
void (*vp8_yv12_copy_frame_yonly_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
extern void vp8_yv12_copy_frame_yonly(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
extern void vp8_yv12_copy_frame_yonly_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
void (*vp8_yv12_copy_frame_ptr)(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
extern void vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
extern void vp8_yv12_copy_frame_neon(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc);
/****************************************************************************
* Imports
*****************************************************************************/
/****************************************************************************
*
* ROUTINE : vp8_scale_machine_specific_config
*
* INPUTS : UINT32 Version : Codec version number.
*
* OUTPUTS : None.
*
* RETURNS : void
*
* FUNCTION : Checks for machine specifc features such as MMX support
* sets appropriate flags and function pointers.
*
* SPECIAL NOTES : None.
*
****************************************************************************/
void vp8_scale_machine_specific_config()
{
#if HAVE_ARMV7 && CONFIG_RUNTIME_CPU_DETECT
int flags;
#endif
/*
vp8_horizontal_line_1_2_scale = horizontal_line_1_2_scale_armv4;
vp8_vertical_band_1_2_scale = vertical_band_1_2_scale_armv4;
vp8_last_vertical_band_1_2_scale = vp8cx_last_vertical_band_1_2_scale_c;
vp8_horizontal_line_3_5_scale = horizontal_line_3_5_scale_armv4;
vp8_vertical_band_3_5_scale = vertical_band_3_5_scale_armv4;
vp8_last_vertical_band_3_5_scale = vp8cx_last_vertical_band_3_5_scale_c;
vp8_horizontal_line_3_4_scale = horizontal_line_3_4_scale_armv4;
vp8_vertical_band_3_4_scale = vertical_band_3_4_scale_armv4;
vp8_last_vertical_band_3_4_scale = vp8cx_last_vertical_band_3_4_scale_c;
vp8_horizontal_line_2_3_scale = horizontal_line_2_3_scale_armv4;
vp8_vertical_band_2_3_scale = vertical_band_2_3_scale_armv4;
vp8_last_vertical_band_2_3_scale = vp8cx_last_vertical_band_2_3_scale_c;
vp8_horizontal_line_4_5_scale = horizontal_line_4_5_scale_armv4;
vp8_vertical_band_4_5_scale = vertical_band_4_5_scale_armv4;
vp8_last_vertical_band_4_5_scale = vp8cx_last_vertical_band_4_5_scale_c;
vp8_vertical_band_5_4_scale = vp8cx_vertical_band_5_4_scale_c;
vp8_vertical_band_5_3_scale = vp8cx_vertical_band_5_3_scale_c;
vp8_vertical_band_2_1_scale = vp8cx_vertical_band_2_1_scale_c;
vp8_vertical_band_2_1_scale_i = vp8cx_vertical_band_2_1_scale_i_c;
vp8_horizontal_line_2_1_scale = vp8cx_horizontal_line_2_1_scale_c;
vp8_horizontal_line_5_3_scale = vp8cx_horizontal_line_5_3_scale_c;
vp8_horizontal_line_5_4_scale = vp8cx_horizontal_line_5_4_scale_c;
*/
#if !HAVE_ARMV7 || CONFIG_RUNTIME_CPU_DETECT
vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders;
vp8_yv12_copy_frame_yonly_ptr = vp8_yv12_copy_frame_yonly;
vp8_yv12_copy_frame_ptr = vp8_yv12_copy_frame;
#endif
#if HAVE_ARMV7
#if CONFIG_RUNTIME_CPU_DETECT
flags = arm_cpu_caps();
if (flags & HAS_NEON)
#endif
{
vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders_neon;
vp8_yv12_copy_frame_yonly_ptr = vp8_yv12_copy_frame_yonly_neon;
vp8_yv12_copy_frame_ptr = vp8_yv12_copy_frame_neon;
}
#endif
}