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/**
 * Copyright (C) 2004 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 <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>

#include "dscalerapi.h"
#include "deinterlace.h"
#include "copyfunctions.h"

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include "mm_accel.h"
#include "greedyh.h"


static void deinterlace_frame_di_greedyh( uint8_t *output, int outstride,
                                          deinterlace_frame_data_t *data,
                                          int bottom_field, int width, int height )
{
    TDeinterlaceInfo Info;
    TPicture Picture[ 8 ];
    int stride = (width*2);
    int i;

    Info.FieldHeight = height / 2;
    Info.FrameHeight = height;
    Info.FrameWidth = width;
    Info.InputPitch = stride*2;
    Info.LineLength = stride;
    Info.OverlayPitch = outstride;
    Info.pMemcpy = fast_memcpy;

    if( bottom_field ) {
        Picture[ 0 ].pData = data->f0 + stride;
        Picture[ 0 ].Flags = PICTURE_INTERLACED_ODD;

        Picture[ 1 ].pData = data->f0;
        Picture[ 1 ].Flags = PICTURE_INTERLACED_EVEN;

        Picture[ 2 ].pData = data->f1 + stride;
        Picture[ 2 ].Flags = PICTURE_INTERLACED_ODD;

        Picture[ 3 ].pData = data->f1;
        Picture[ 3 ].Flags = PICTURE_INTERLACED_EVEN;

        Picture[ 4 ].pData = data->f2 + stride;
        Picture[ 4 ].Flags = PICTURE_INTERLACED_ODD;

        Picture[ 5 ].pData = data->f2;
        Picture[ 5 ].Flags = PICTURE_INTERLACED_EVEN;
    } else {
        Picture[ 0 ].pData = data->f0;
        Picture[ 0 ].Flags = PICTURE_INTERLACED_EVEN;

        Picture[ 1 ].pData = data->f1 + stride;
        Picture[ 1 ].Flags = PICTURE_INTERLACED_ODD;

        Picture[ 2 ].pData = data->f1;
        Picture[ 2 ].Flags = PICTURE_INTERLACED_EVEN;

        Picture[ 3 ].pData = data->f2 + stride;
        Picture[ 3 ].Flags = PICTURE_INTERLACED_ODD;

        Picture[ 4 ].pData = data->f2;
        Picture[ 4 ].Flags = PICTURE_INTERLACED_EVEN;
    }

    Info.Overlay = output;
    for( i = 0; i < MAX_PICTURE_HISTORY; i++ ) {
        Info.PictureHistory[ i ] = &(Picture[ i ]);
    }

    if( mm_accel() & MM_ACCEL_X86_MMXEXT ) {
        greedyh_filter_sse( &Info );
    } else if( mm_accel() & MM_ACCEL_X86_3DNOW ) {
        greedyh_filter_3dnow( &Info );
    } else {
        greedyh_filter_mmx( &Info );
    }
}

static deinterlace_method_t greedymethod =
{
    "Motion Adaptive: Advanced Detection",
    "AdaptiveAdvanced",
    4,
    MM_ACCEL_X86_MMX,
    0,
    0,
    0,
    0,
    deinterlace_frame_di_greedyh,
    { "Uses heuristics to detect motion in the input",
      "frames and reconstruct image detail where",
      "possible.  Use this for high quality output",
      "even on monitors set to an arbitrary refresh",
      "rate.",
      "",
      "Advanced detection uses linear interpolation",
      "where motion is detected, using a four-field",
      "buffer.  This is the Greedy: High Motion",
      "deinterlacer from DScaler." }
};

deinterlace_method_t *dscaler_greedyh_get_method( void )
{
    greedyh_init();
    return &greedymethod;
}

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