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/**
* Linear blend deinterlacing plugin. The algorithm for this filter is based
* on the mythtv sources, which took it from the mplayer sources.
*
* The file is postprocess_template.c in mplayer, and is
*
* Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
*
* 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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 "attributes.h"
#include "xineutils.h"
#include "speedtools.h"
#include "speedy.h"
#include "deinterlace.h"
#include "plugins.h"
static void deinterlace_scanline_linear_blend( uint8_t *output,
deinterlace_scanline_data_t *data,
int width )
{
uint8_t *t0 = data->t0;
uint8_t *b0 = data->b0;
uint8_t *m1 = data->m1;
#ifdef ARCH_X86
int i;
// Get width in bytes.
width *= 2;
i = width / 8;
width -= i * 8;
pxor_r2r( mm7, mm7 );
while( i-- ) {
movd_m2r( *t0, mm0 );
movd_m2r( *b0, mm1 );
movd_m2r( *m1, mm2 );
movd_m2r( *(t0+4), mm3 );
movd_m2r( *(b0+4), mm4 );
movd_m2r( *(m1+4), mm5 );
punpcklbw_r2r( mm7, mm0 );
punpcklbw_r2r( mm7, mm1 );
punpcklbw_r2r( mm7, mm2 );
punpcklbw_r2r( mm7, mm3 );
punpcklbw_r2r( mm7, mm4 );
punpcklbw_r2r( mm7, mm5 );
psllw_i2r( 1, mm2 );
psllw_i2r( 1, mm5 );
paddw_r2r( mm0, mm2 );
paddw_r2r( mm3, mm5 );
paddw_r2r( mm1, mm2 );
paddw_r2r( mm4, mm5 );
psrlw_i2r( 2, mm2 );
psrlw_i2r( 2, mm5 );
packuswb_r2r( mm2, mm2 );
packuswb_r2r( mm5, mm5 );
movd_r2m( mm2, *output );
movd_r2m( mm5, *(output+4) );
output += 8;
t0 += 8;
b0 += 8;
m1 += 8;
}
while( width-- ) {
*output++ = (*t0++ + *b0++ + (*m1++ << 1)) >> 2;
}
sfence();
emms();
#else
width *= 2;
while( width-- ) {
*output++ = (*t0++ + *b0++ + (*m1++ << 1)) >> 2;
}
#endif
}
static void deinterlace_scanline_linear_blend2( uint8_t *output,
deinterlace_scanline_data_t *data,
int width )
{
uint8_t *m0 = data->m0;
uint8_t *t1 = data->t1;
uint8_t *b1 = data->b1;
#ifdef ARCH_X86
int i;
// Get width in bytes.
width *= 2;
i = width / 8;
width -= i * 8;
pxor_r2r( mm7, mm7 );
while( i-- ) {
movd_m2r( *t1, mm0 );
movd_m2r( *b1, mm1 );
movd_m2r( *m0, mm2 );
movd_m2r( *(t1+4), mm3 );
movd_m2r( *(b1+4), mm4 );
movd_m2r( *(m0+4), mm5 );
punpcklbw_r2r( mm7, mm0 );
punpcklbw_r2r( mm7, mm1 );
punpcklbw_r2r( mm7, mm2 );
punpcklbw_r2r( mm7, mm3 );
punpcklbw_r2r( mm7, mm4 );
punpcklbw_r2r( mm7, mm5 );
psllw_i2r( 1, mm2 );
psllw_i2r( 1, mm5 );
paddw_r2r( mm0, mm2 );
paddw_r2r( mm3, mm5 );
paddw_r2r( mm1, mm2 );
paddw_r2r( mm4, mm5 );
psrlw_i2r( 2, mm2 );
psrlw_i2r( 2, mm5 );
packuswb_r2r( mm2, mm2 );
packuswb_r2r( mm5, mm5 );
movd_r2m( mm2, *output );
movd_r2m( mm5, *(output+4) );
output += 8;
t1 += 8;
b1 += 8;
m0 += 8;
}
while( width-- ) {
*output++ = (*t1++ + *b1++ + (*m0++ << 1)) >> 2;
}
sfence();
emms();
#else
width *= 2;
while( width-- ) {
*output++ = (*t1++ + *b1++ + (*m0++ << 1)) >> 2;
}
#endif
}
static deinterlace_method_t linearblendmethod =
{
DEINTERLACE_PLUGIN_API_VERSION,
"mplayer: Linear Blend",
"LinearBlend",
2,
#ifdef ARCH_X86
MM_ACCEL_X86_MMX,
#else
0,
#endif
0,
0,
0,
1,
deinterlace_scanline_linear_blend,
deinterlace_scanline_linear_blend2,
0
};
#ifdef BUILD_TVTIME_PLUGINS
void deinterlace_plugin_init( void )
#else
void linearblend_plugin_init( void )
#endif
{
register_deinterlace_method( &linearblendmethod );
}
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