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FFmpeg/libavcodec/x86/dsputil_avg_template.c
Diego Biurrun 25841dfe80 Use ptrdiff_t instead of int for {avg, put}_pixels line_size parameter.
This avoids SIMD-optimized functions having to sign-extend their
line size argument manually to be able to do pointer arithmetic.
2013-02-05 12:59:12 +01:00

78 lines
3.1 KiB
C

/*
* DSP utils : average functions are compiled twice for 3dnow/mmxext
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
* mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
* and improved by Zdenek Kabelac <kabi@users.sf.net>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//FIXME the following could be optimized too ...
static void DEF(ff_put_no_rnd_pixels16_x2)(uint8_t *block,
const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_put_no_rnd_pixels8_x2)(block, pixels, line_size, h);
DEF(ff_put_no_rnd_pixels8_x2)(block + 8, pixels + 8, line_size, h);
}
static void DEF(ff_put_pixels16_y2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_put_pixels8_y2)(block, pixels, line_size, h);
DEF(ff_put_pixels8_y2)(block + 8, pixels + 8, line_size, h);
}
static void DEF(ff_put_no_rnd_pixels16_y2)(uint8_t *block,
const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_put_no_rnd_pixels8_y2)(block, pixels, line_size, h);
DEF(ff_put_no_rnd_pixels8_y2)(block + 8, pixels + 8, line_size, h);
}
static void DEF(ff_avg_pixels16)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_avg_pixels8)(block, pixels, line_size, h);
DEF(ff_avg_pixels8)(block + 8, pixels + 8, line_size, h);
}
static void DEF(ff_avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_avg_pixels8_x2)(block, pixels, line_size, h);
DEF(ff_avg_pixels8_x2)(block + 8, pixels + 8, line_size, h);
}
static void DEF(ff_avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_avg_pixels8_y2)(block, pixels, line_size, h);
DEF(ff_avg_pixels8_y2)(block + 8, pixels + 8, line_size, h);
}
static void DEF(ff_avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
DEF(ff_avg_pixels8_xy2)(block, pixels, line_size, h);
DEF(ff_avg_pixels8_xy2)(block + 8, pixels + 8, line_size, h);
}