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/**
* Weave frames, top-field-first.
* Copyright (C) 2003 Billy Biggs <vektor@dumbterm.net>.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#if defined (__SVR4) && defined (__sun)
# include <sys/int_types.h>
#else
# include <stdint.h>
#endif
#include "copyfunctions.h"
#include "deinterlace.h"
static void deinterlace_scanline_weave( uint8_t *output,
deinterlace_scanline_data_t *data,
int width )
{
blit_packed422_scanline( output, data->m1, width );
}
static void copy_scanline( uint8_t *output,
deinterlace_scanline_data_t *data,
int width )
{
if( data->bottom_field ) {
blit_packed422_scanline( output, data->m0, width );
} else {
blit_packed422_scanline( output, data->m2, width );
}
}
static deinterlace_method_t weavemethod =
{
"Progressive: Top Field First",
"ProgressiveTFF",
3,
0,
0,
1,
deinterlace_scanline_weave,
copy_scanline,
0,
0,
{ "Constructs frames from pairs of fields. Use",
"this if you are watching a film broadcast or",
"DVD in a PAL area, or if you are using a",
"video game console system which sends a",
"progressive signal.",
"",
"Depending on the content, it may be top- or",
"bottom-field first. Until we have full",
"detection in tvtime, this must be determined",
"experimentally." }
};
deinterlace_method_t *weavetff_get_method( void )
{
return &weavemethod;
}
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