7cdc986cdf
During the _pick only the Y plane is examined. In addition, data beyond the borders of the frame is not read. Change-Id: Ic549adfca70fc6e0b55f8aab0efe81f0afac89f9
81 lines
3.4 KiB
C
81 lines
3.4 KiB
C
/*
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* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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*
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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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*/
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#include "vpx_config.h"
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#include "vpx_ports/arm.h"
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#include "vpx_scale/vpxscale.h"
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#include "vpx_scale/yv12extend.h"
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/****************************************************************************
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*
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* ROUTINE : vp8_scale_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 vp8_scale_machine_specific_config()
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{
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#if HAVE_ARMV7 && CONFIG_RUNTIME_CPU_DETECT
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int flags;
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#endif
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/*
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vp8_horizontal_line_1_2_scale = horizontal_line_1_2_scale_armv4;
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vp8_vertical_band_1_2_scale = vertical_band_1_2_scale_armv4;
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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 = horizontal_line_3_5_scale_armv4;
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vp8_vertical_band_3_5_scale = vertical_band_3_5_scale_armv4;
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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 = horizontal_line_3_4_scale_armv4;
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vp8_vertical_band_3_4_scale = vertical_band_3_4_scale_armv4;
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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 = horizontal_line_2_3_scale_armv4;
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vp8_vertical_band_2_3_scale = vertical_band_2_3_scale_armv4;
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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 = horizontal_line_4_5_scale_armv4;
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vp8_vertical_band_4_5_scale = vertical_band_4_5_scale_armv4;
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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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#if !HAVE_ARMV7 || CONFIG_RUNTIME_CPU_DETECT
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vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders;
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vp8_yv12_copy_y_ptr = vp8_yv12_copy_y_c;
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vp8_yv12_copy_frame_ptr = vp8_yv12_copy_frame;
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#endif
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#if HAVE_ARMV7
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#if CONFIG_RUNTIME_CPU_DETECT
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flags = arm_cpu_caps();
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if (flags & HAS_NEON)
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#endif
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{
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vp8_yv12_extend_frame_borders_ptr = vp8_yv12_extend_frame_borders_neon;
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vp8_yv12_copy_y_ptr = vp8_yv12_copy_y_neon;
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vp8_yv12_copy_frame_ptr = vp8_yv12_copy_frame_neon;
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}
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#endif
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}
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