/*
* AltiVec optimizations for libjpeg - turbo
*
* Copyright ( C ) 2015 , D . R . Commander . All Rights Reserved .
*
* This software is provided ' as - is ' , without any express or implied
* warranty . In no event will the authors be held liable for any damages
* arising from the use of this software .
*
* Permission is granted to anyone to use this software for any purpose ,
* including commercial applications , and to alter it and redistribute it
* freely , subject to the following restrictions :
*
* 1 . The origin of this software must not be misrepresented ; you must not
* claim that you wrote the original software . If you use this software
* in a product , an acknowledgment in the product documentation would be
* appreciated but is not required .
* 2 . Altered source versions must be plainly marked as such , and must not be
* misrepresented as being the original software .
* 3 . This notice may not be removed or altered from any source distribution .
*/
/* YCC --> RGB CONVERSION */
#include "jsimd_altivec.h"
#define F_0_344 22554 /* FIX(0.34414) */
#define F_0_714 46802 /* FIX(0.71414) */
#define F_1_402 91881 /* FIX(1.40200) */
#define F_1_772 116130 /* FIX(1.77200) */
#define F_0_402 (F_1_402 - 65536 ) /* FIX(1.40200) - FIX(1) */
#define F_0_285 (65536 - F_0_714) /* FIX(1) - FIX(0.71414) */
#define F_0_228 (131072 - F_1_772) /* FIX(2) - FIX(1.77200) */
#define SCALEBITS 16
#define ONE_HALF (1 << (SCALEBITS - 1 ))
#define RGB_INDEX0 \
{ 0 , 1 , 8 , 2 , 3 , 10 , 4 , 5 , 12 , 6 , 7 , 14 , 16 , 17 , 24 , 18 }
#define RGB_INDEX1 \
{ 3 , 10 , 4 , 5 , 12 , 6 , 7 , 14 , 16 , 17 , 24 , 18 , 19 , 26 , 20 , 21 }
#define RGB_INDEX2 \
{ 12 , 6 , 7 , 14 , 16 , 17 , 24 , 18 , 19 , 26 , 20 , 21 , 28 , 22 , 23 , 30 }
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#define RGB_PIXELSIZE EXT_RGB_PIXELSIZE
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extrgb_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX0
#undef RGB_INDEX1
#undef RGB_INDEX2
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_RGBX_PIXELSIZE
#define RGB_INDEX \
{ 0 , 1 , 8 , 9 , 2 , 3 , 10 , 11 , 4 , 5 , 12 , 13 , 6 , 7 , 14 , 15 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extrgbx_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_BGR_PIXELSIZE
#define RGB_INDEX0 \
{ 8 , 1 , 0 , 10 , 3 , 2 , 12 , 5 , 4 , 14 , 7 , 6 , 24 , 17 , 16 , 26 }
#define RGB_INDEX1 \
{ 3 , 2 , 12 , 5 , 4 , 14 , 7 , 6 , 24 , 17 , 16 , 26 , 19 , 18 , 28 , 21 }
#define RGB_INDEX2 \
{ 4 , 14 , 7 , 6 , 24 , 17 , 16 , 26 , 19 , 18 , 28 , 21 , 20 , 30 , 23 , 22 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extbgr_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX0
#undef RGB_INDEX1
#undef RGB_INDEX2
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_BGRX_PIXELSIZE
#define RGB_INDEX \
{ 8 , 1 , 0 , 9 , 10 , 3 , 2 , 11 , 12 , 5 , 4 , 13 , 14 , 7 , 6 , 15 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extbgrx_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_XBGR_PIXELSIZE
#define RGB_INDEX \
{ 9 , 8 , 1 , 0 , 11 , 10 , 3 , 2 , 13 , 12 , 5 , 4 , 15 , 14 , 7 , 6 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extxbgr_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
#define RGB_PIXELSIZE EXT_XRGB_PIXELSIZE
#define RGB_INDEX \
{ 9 , 0 , 1 , 8 , 11 , 2 , 3 , 10 , 13 , 4 , 5 , 12 , 15 , 6 , 7 , 14 }
#define jsimd_ycc_rgb_convert_altivec jsimd_ycc_extxrgb_convert_altivec
#include "jdcolext-altivec.c"
#undef RGB_PIXELSIZE
#undef RGB_INDEX
#undef jsimd_ycc_rgb_convert_altivec
Messung V0.5 in Prozent C=72 H=92 G=82
¤ Dauer der Verarbeitung: 0.4 Sekunden
¤
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