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/**
* Copyright (c) 2000 John Adcock, Tom Barry, Steve Grimm All rights reserved.
* port copyright (c) 2003 Miguel Freitas
*
* This code is ported from DScaler: http://deinterlace.sf.net/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#if HAVE_INTTYPES_H
#include <inttypes.h>
#else
#include <stdint.h>
#endif
#include <xine/attributes.h>
#include <xine/xineutils.h>
#include "xine_mmx.h"
#include "deinterlace.h"
#include "speedtools.h"
#include "speedy.h"
#include "plugins.h"
// debugging feature
// output the value of mm4 at this point which is pink where we will weave
// and green were we are going to bob
// uncomment next line to see this
//#define CHECK_BOBWEAVE
#define GREEDYTWOFRAMETHRESHOLD 4
#define GREEDYTWOFRAMETHRESHOLD2 8
#define IS_MMXEXT 1
#include "greedy2frame_template.c"
#undef IS_MMXEXT
#include "greedy2frame_template_sse2.c"
static void DeinterlaceGreedy2Frame(uint8_t *output, int outstride,
deinterlace_frame_data_t *data,
int bottom_field, int second_field, int width, int height )
{
#if defined(ARCH_X86) || defined(ARCH_X86_64)
if (xine_mm_accel() & MM_ACCEL_X86_SSE2) {
if (((uintptr_t)output & 15) || (outstride & 15) ||
width & 7 ||
((uintptr_t)data->f0 & 15) || ((uintptr_t)data->f1 & 15)) {
/*
* instead of using an unaligned sse2 version just fall back to mmx
* which has no alignment restriction (though might be slow unaliged,
* but shouldn't hit this hopefully anyway). Plus in my experiments this
* was at least as fast as a naive unaligned sse2 version anyway (due to
* the inability to use streaming stores).
*/
DeinterlaceGreedy2Frame_MMXEXT(output, outstride, data,
bottom_field, second_field, width, height );
} else {
DeinterlaceGreedy2Frame_SSE2(output, outstride, data,
bottom_field, second_field, width, height );
}
}
else {
DeinterlaceGreedy2Frame_MMXEXT(output, outstride, data,
bottom_field, second_field, width, height );
/* could fall back to 3dnow/mmx here too */
}
#endif /*ARCH_X86 */
}
static deinterlace_method_t greedy2framemethod =
{
"Greedy 2-frame (DScaler)",
"Greedy2Frame",
4,
MM_ACCEL_X86_MMXEXT,
0,
0,
0,
0,
DeinterlaceGreedy2Frame,
1,
NULL
};
deinterlace_method_t *greedy2frame_get_method( void )
{
return &greedy2framemethod;
}
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