/*****************************************************************************

 * predict.c: intra prediction

 *****************************************************************************

 * Copyright (C) 2003-2025 x264 project

 *

 * Authors: Laurent Aimar <fenrir@via.ecp.fr>

 *          Loren Merritt <lorenm@u.washington.edu>

 *          Fiona Glaser <fiona@x264.com>

 *          Henrik Gramner <henrik@gramner.com>

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.

 *

 * This program is also available under a commercial proprietary license.

 * For more information, contact us at licensing@x264.com.

 *****************************************************************************/

/* predict4x4 are inspired from ffmpeg h264 decoder */

#include "common.h"

#if HAVE_MMX

#   include "x86/predict.h"

#endif

#if HAVE_ALTIVEC

#   include "ppc/predict.h"

#endif

#if HAVE_ARMV6

#   include "arm/predict.h"

#endif

#if HAVE_AARCH64

#   include "aarch64/predict.h"

#endif

#if HAVE_MSA

#   include "mips/predict.h"

#endif

#if HAVE_LSX

#   include "loongarch/predict.h"

#endif

/****************************************************************************

 * 16x16 prediction for intra luma block

 ****************************************************************************/

#define PREDICT_16x16_DC(v)\

    for( int i = 0; i < 16; i++ )\

    {\

        MPIXEL_X4( src+ 0 ) = v;\

        MPIXEL_X4( src+ 4 ) = v;\

        MPIXEL_X4( src+ 8 ) = v;\

        MPIXEL_X4( src+12 ) = v;\

        src += FDEC_STRIDE;\

    }

void x264_predict_16x16_dc_c( pixel *src )

{

    int dc = 0;

    for( int i = 0; i < 16; i++ )

    {

        dc += src[-1 + i * FDEC_STRIDE];

        dc += src[i - FDEC_STRIDE];

    }

    pixel4 dcsplat = PIXEL_SPLAT_X4( ( dc + 16 ) >> 5 );

    PREDICT_16x16_DC( dcsplat );

}

Unexecuted instantiation: x264_8_predict_16x16_dc_c

Unexecuted instantiation: x264_10_predict_16x16_dc_c

static void predict_16x16_dc_left_c( pixel *src )

{

    int dc = 0;

    for( int i = 0; i < 16; i++ )

        dc += src[-1 + i * FDEC_STRIDE];

    pixel4 dcsplat = PIXEL_SPLAT_X4( ( dc + 8 ) >> 4 );

    PREDICT_16x16_DC( dcsplat );

}

static void predict_16x16_dc_top_c( pixel *src )

{

    int dc = 0;

    for( int i = 0; i < 16; i++ )

        dc += src[i - FDEC_STRIDE];

    pixel4 dcsplat = PIXEL_SPLAT_X4( ( dc + 8 ) >> 4 );

    PREDICT_16x16_DC( dcsplat );

}

static void predict_16x16_dc_128_c( pixel *src )

{

    PREDICT_16x16_DC( PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) ) );

}

void x264_predict_16x16_h_c( pixel *src )

{

    for( int i = 0; i < 16; i++ )

    {

        const pixel4 v = PIXEL_SPLAT_X4( src[-1] );

        MPIXEL_X4( src+ 0 ) = v;

        MPIXEL_X4( src+ 4 ) = v;

        MPIXEL_X4( src+ 8 ) = v;

        MPIXEL_X4( src+12 ) = v;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_16x16_h_c

Unexecuted instantiation: x264_10_predict_16x16_h_c

void x264_predict_16x16_v_c( pixel *src )

{

    pixel4 v0 = MPIXEL_X4( &src[ 0-FDEC_STRIDE] );

    pixel4 v1 = MPIXEL_X4( &src[ 4-FDEC_STRIDE] );

    pixel4 v2 = MPIXEL_X4( &src[ 8-FDEC_STRIDE] );

    pixel4 v3 = MPIXEL_X4( &src[12-FDEC_STRIDE] );

    for( int i = 0; i < 16; i++ )

    {

        MPIXEL_X4( src+ 0 ) = v0;

        MPIXEL_X4( src+ 4 ) = v1;

        MPIXEL_X4( src+ 8 ) = v2;

        MPIXEL_X4( src+12 ) = v3;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_16x16_v_c

Unexecuted instantiation: x264_10_predict_16x16_v_c

void x264_predict_16x16_p_c( pixel *src )

{

    int H = 0, V = 0;

    /* calculate H and V */

    for( int i = 0; i <= 7; i++ )

    {

        H += ( i + 1 ) * ( src[ 8 + i - FDEC_STRIDE ] - src[6 -i -FDEC_STRIDE] );

        V += ( i + 1 ) * ( src[-1 + (8+i)*FDEC_STRIDE] - src[-1 + (6-i)*FDEC_STRIDE] );

    }

    int a = 16 * ( src[-1 + 15*FDEC_STRIDE] + src[15 - FDEC_STRIDE] );

    int b = ( 5 * H + 32 ) >> 6;

    int c = ( 5 * V + 32 ) >> 6;

    int i00 = a - b * 7 - c * 7 + 16;

    for( int y = 0; y < 16; y++ )

    {

        int pix = i00;

        for( int x = 0; x < 16; x++ )

        {

            src[x] = x264_clip_pixel( pix>>5 );

            pix += b;

        }

        src += FDEC_STRIDE;

        i00 += c;

    }

}

Unexecuted instantiation: x264_8_predict_16x16_p_c

Unexecuted instantiation: x264_10_predict_16x16_p_c

/****************************************************************************

 * 8x8 prediction for intra chroma block (4:2:0)

 ****************************************************************************/

static void predict_8x8c_dc_128_c( pixel *src )

{

    for( int y = 0; y < 8; y++ )

    {

        MPIXEL_X4( src+0 ) = PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) );

        MPIXEL_X4( src+4 ) = PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) );

        src += FDEC_STRIDE;

    }

}

static void predict_8x8c_dc_left_c( pixel *src )

{

    int dc0 = 0, dc1 = 0;

    for( int y = 0; y < 4; y++ )

    {

        dc0 += src[y * FDEC_STRIDE     - 1];

        dc1 += src[(y+4) * FDEC_STRIDE - 1];

    }

    pixel4 dc0splat = PIXEL_SPLAT_X4( ( dc0 + 2 ) >> 2 );

    pixel4 dc1splat = PIXEL_SPLAT_X4( ( dc1 + 2 ) >> 2 );

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc0splat;

        MPIXEL_X4( src+4 ) = dc0splat;

        src += FDEC_STRIDE;

    }

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc1splat;

        MPIXEL_X4( src+4 ) = dc1splat;

        src += FDEC_STRIDE;

    }

}

static void predict_8x8c_dc_top_c( pixel *src )

{

    int dc0 = 0, dc1 = 0;

    for( int x = 0; x < 4; x++ )

    {

        dc0 += src[x     - FDEC_STRIDE];

        dc1 += src[x + 4 - FDEC_STRIDE];

    }

    pixel4 dc0splat = PIXEL_SPLAT_X4( ( dc0 + 2 ) >> 2 );

    pixel4 dc1splat = PIXEL_SPLAT_X4( ( dc1 + 2 ) >> 2 );

    for( int y = 0; y < 8; y++ )

    {

        MPIXEL_X4( src+0 ) = dc0splat;

        MPIXEL_X4( src+4 ) = dc1splat;

        src += FDEC_STRIDE;

    }

}

void x264_predict_8x8c_dc_c( pixel *src )

{

    int s0 = 0, s1 = 0, s2 = 0, s3 = 0;

    /*

          s0 s1

       s2

       s3

    */

    for( int i = 0; i < 4; i++ )

    {

        s0 += src[i - FDEC_STRIDE];

        s1 += src[i + 4 - FDEC_STRIDE];

        s2 += src[-1 + i * FDEC_STRIDE];

        s3 += src[-1 + (i+4)*FDEC_STRIDE];

    }

    /*

       dc0 dc1

       dc2 dc3

     */

    pixel4 dc0 = PIXEL_SPLAT_X4( ( s0 + s2 + 4 ) >> 3 );

    pixel4 dc1 = PIXEL_SPLAT_X4( ( s1 + 2 ) >> 2 );

    pixel4 dc2 = PIXEL_SPLAT_X4( ( s3 + 2 ) >> 2 );

    pixel4 dc3 = PIXEL_SPLAT_X4( ( s1 + s3 + 4 ) >> 3 );

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc0;

        MPIXEL_X4( src+4 ) = dc1;

        src += FDEC_STRIDE;

    }

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc2;

        MPIXEL_X4( src+4 ) = dc3;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_8x8c_dc_c

Unexecuted instantiation: x264_10_predict_8x8c_dc_c

void x264_predict_8x8c_h_c( pixel *src )

{

    for( int i = 0; i < 8; i++ )

    {

        pixel4 v = PIXEL_SPLAT_X4( src[-1] );

        MPIXEL_X4( src+0 ) = v;

        MPIXEL_X4( src+4 ) = v;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_8x8c_h_c

Unexecuted instantiation: x264_10_predict_8x8c_h_c

void x264_predict_8x8c_v_c( pixel *src )

{

    pixel4 v0 = MPIXEL_X4( src+0-FDEC_STRIDE );

    pixel4 v1 = MPIXEL_X4( src+4-FDEC_STRIDE );

    for( int i = 0; i < 8; i++ )

    {

        MPIXEL_X4( src+0 ) = v0;

        MPIXEL_X4( src+4 ) = v1;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_8x8c_v_c

Unexecuted instantiation: x264_10_predict_8x8c_v_c

void x264_predict_8x8c_p_c( pixel *src )

{

    int H = 0, V = 0;

    for( int i = 0; i < 4; i++ )

    {

        H += ( i + 1 ) * ( src[4+i - FDEC_STRIDE] - src[2 - i -FDEC_STRIDE] );

        V += ( i + 1 ) * ( src[-1 +(i+4)*FDEC_STRIDE] - src[-1+(2-i)*FDEC_STRIDE] );

    }

    int a = 16 * ( src[-1+7*FDEC_STRIDE] + src[7 - FDEC_STRIDE] );

    int b = ( 17 * H + 16 ) >> 5;

    int c = ( 17 * V + 16 ) >> 5;

    int i00 = a -3*b -3*c + 16;

    for( int y = 0; y < 8; y++ )

    {

        int pix = i00;

        for( int x = 0; x < 8; x++ )

        {

            src[x] = x264_clip_pixel( pix>>5 );

            pix += b;

        }

        src += FDEC_STRIDE;

        i00 += c;

    }

}

Unexecuted instantiation: x264_8_predict_8x8c_p_c

Unexecuted instantiation: x264_10_predict_8x8c_p_c

/****************************************************************************

 * 8x16 prediction for intra chroma block (4:2:2)

 ****************************************************************************/

static void predict_8x16c_dc_128_c( pixel *src )

{

    for( int y = 0; y < 16; y++ )

    {

        MPIXEL_X4( src+0 ) = PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) );

        MPIXEL_X4( src+4 ) = PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) );

        src += FDEC_STRIDE;

    }

}

static void predict_8x16c_dc_left_c( pixel *src )

{

    for( int i = 0; i < 4; i++ )

    {

        int dc = 0;

        for( int y = 0; y < 4; y++ )

            dc += src[y*FDEC_STRIDE - 1];

        pixel4 dcsplat = PIXEL_SPLAT_X4( (dc + 2) >> 2 );

        for( int y = 0; y < 4; y++ )

        {

            MPIXEL_X4( src+0 ) = dcsplat;

            MPIXEL_X4( src+4 ) = dcsplat;

            src += FDEC_STRIDE;

        }

    }

}

static void predict_8x16c_dc_top_c( pixel *src )

{

    int dc0 = 0, dc1 = 0;

    for( int  x = 0; x < 4; x++ )

    {

        dc0 += src[x     - FDEC_STRIDE];

        dc1 += src[x + 4 - FDEC_STRIDE];

    }

    pixel4 dc0splat = PIXEL_SPLAT_X4( ( dc0 + 2 ) >> 2 );

    pixel4 dc1splat = PIXEL_SPLAT_X4( ( dc1 + 2 ) >> 2 );

    for( int y = 0; y < 16; y++ )

    {

        MPIXEL_X4( src+0 ) = dc0splat;

        MPIXEL_X4( src+4 ) = dc1splat;

        src += FDEC_STRIDE;

    }

}

void x264_predict_8x16c_dc_c( pixel *src )

{

    int s0 = 0, s1 = 0, s2 = 0, s3 = 0, s4 = 0, s5 = 0;

    /*

          s0 s1

       s2

       s3

       s4

       s5

    */

    for( int i = 0; i < 4; i++ )

    {

        s0 += src[i+0 - FDEC_STRIDE];

        s1 += src[i+4 - FDEC_STRIDE];

        s2 += src[-1 + (i+0)  * FDEC_STRIDE];

        s3 += src[-1 + (i+4)  * FDEC_STRIDE];

        s4 += src[-1 + (i+8)  * FDEC_STRIDE];

        s5 += src[-1 + (i+12) * FDEC_STRIDE];

    }

    /*

       dc0 dc1

       dc2 dc3

       dc4 dc5

       dc6 dc7

    */

    pixel4 dc0 = PIXEL_SPLAT_X4( ( s0 + s2 + 4 ) >> 3 );

    pixel4 dc1 = PIXEL_SPLAT_X4( ( s1 + 2 ) >> 2 );

    pixel4 dc2 = PIXEL_SPLAT_X4( ( s3 + 2 ) >> 2 );

    pixel4 dc3 = PIXEL_SPLAT_X4( ( s1 + s3 + 4 ) >> 3 );

    pixel4 dc4 = PIXEL_SPLAT_X4( ( s4 + 2 ) >> 2 );

    pixel4 dc5 = PIXEL_SPLAT_X4( ( s1 + s4 + 4 ) >> 3 );

    pixel4 dc6 = PIXEL_SPLAT_X4( ( s5 + 2 ) >> 2 );

    pixel4 dc7 = PIXEL_SPLAT_X4( ( s1 + s5 + 4 ) >> 3 );

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc0;

        MPIXEL_X4( src+4 ) = dc1;

        src += FDEC_STRIDE;

    }

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc2;

        MPIXEL_X4( src+4 ) = dc3;

        src += FDEC_STRIDE;

    }

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc4;

        MPIXEL_X4( src+4 ) = dc5;

        src += FDEC_STRIDE;

    }

    for( int y = 0; y < 4; y++ )

    {

        MPIXEL_X4( src+0 ) = dc6;

        MPIXEL_X4( src+4 ) = dc7;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_8x16c_dc_c

Unexecuted instantiation: x264_10_predict_8x16c_dc_c

void x264_predict_8x16c_h_c( pixel *src )

{

    for( int i = 0; i < 16; i++ )

    {

        pixel4 v = PIXEL_SPLAT_X4( src[-1] );

        MPIXEL_X4( src+0 ) = v;

        MPIXEL_X4( src+4 ) = v;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_8x16c_h_c

Unexecuted instantiation: x264_10_predict_8x16c_h_c

void x264_predict_8x16c_v_c( pixel *src )

{

    pixel4 v0 = MPIXEL_X4( src+0-FDEC_STRIDE );

    pixel4 v1 = MPIXEL_X4( src+4-FDEC_STRIDE );

    for( int i = 0; i < 16; i++ )

    {

        MPIXEL_X4( src+0 ) = v0;

        MPIXEL_X4( src+4 ) = v1;

        src += FDEC_STRIDE;

    }

}

Unexecuted instantiation: x264_8_predict_8x16c_v_c

Unexecuted instantiation: x264_10_predict_8x16c_v_c

void x264_predict_8x16c_p_c( pixel *src )

{

    int H = 0;

    int V = 0;

    for( int i = 0; i < 4; i++ )

        H += ( i + 1 ) * ( src[4 + i - FDEC_STRIDE] - src[2 - i - FDEC_STRIDE] );

    for( int i = 0; i < 8; i++ )

        V += ( i + 1 ) * ( src[-1 + (i+8)*FDEC_STRIDE] - src[-1 + (6-i)*FDEC_STRIDE] );

    int a = 16 * ( src[-1 + 15*FDEC_STRIDE] + src[7 - FDEC_STRIDE] );

    int b = ( 17 * H + 16 ) >> 5;

    int c = ( 5 * V + 32 ) >> 6;

    int i00 = a -3*b -7*c + 16;

    for( int y = 0; y < 16; y++ )

    {

        int pix = i00;

        for( int x = 0; x < 8; x++ )

        {

            src[x] = x264_clip_pixel( pix>>5 );

            pix += b;

        }

        src += FDEC_STRIDE;

        i00 += c;

    }

}

Unexecuted instantiation: x264_8_predict_8x16c_p_c

Unexecuted instantiation: x264_10_predict_8x16c_p_c

/****************************************************************************

 * 4x4 prediction for intra luma block

 ****************************************************************************/

#define SRC(x,y) src[(x)+(y)*FDEC_STRIDE]

#define SRC_X4(x,y) MPIXEL_X4( &SRC(x,y) )

#define PREDICT_4x4_DC(v)\

    SRC_X4(0,0) = SRC_X4(0,1) = SRC_X4(0,2) = SRC_X4(0,3) = v;

static void predict_4x4_dc_128_c( pixel *src )

{

    PREDICT_4x4_DC( PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) ) );

}

static void predict_4x4_dc_left_c( pixel *src )

{

    pixel4 dc = PIXEL_SPLAT_X4( (SRC(-1,0) + SRC(-1,1) + SRC(-1,2) + SRC(-1,3) + 2) >> 2 );

    PREDICT_4x4_DC( dc );

}

static void predict_4x4_dc_top_c( pixel *src )

{

    pixel4 dc = PIXEL_SPLAT_X4( (SRC(0,-1) + SRC(1,-1) + SRC(2,-1) + SRC(3,-1) + 2) >> 2 );

    PREDICT_4x4_DC( dc );

}

void x264_predict_4x4_dc_c( pixel *src )

{

    pixel4 dc = PIXEL_SPLAT_X4( (SRC(-1,0) + SRC(-1,1) + SRC(-1,2) + SRC(-1,3) +

                                 SRC(0,-1) + SRC(1,-1) + SRC(2,-1) + SRC(3,-1) + 4) >> 3 );

    PREDICT_4x4_DC( dc );

}

Unexecuted instantiation: x264_8_predict_4x4_dc_c

Unexecuted instantiation: x264_10_predict_4x4_dc_c

void x264_predict_4x4_h_c( pixel *src )

{

    SRC_X4(0,0) = PIXEL_SPLAT_X4( SRC(-1,0) );

    SRC_X4(0,1) = PIXEL_SPLAT_X4( SRC(-1,1) );

    SRC_X4(0,2) = PIXEL_SPLAT_X4( SRC(-1,2) );

    SRC_X4(0,3) = PIXEL_SPLAT_X4( SRC(-1,3) );

}

Unexecuted instantiation: x264_8_predict_4x4_h_c

Unexecuted instantiation: x264_10_predict_4x4_h_c

void x264_predict_4x4_v_c( pixel *src )

{

    PREDICT_4x4_DC(SRC_X4(0,-1));

}

Unexecuted instantiation: x264_8_predict_4x4_v_c

Unexecuted instantiation: x264_10_predict_4x4_v_c

#define PREDICT_4x4_LOAD_LEFT\

    int l0 = SRC(-1,0);\

    int l1 = SRC(-1,1);\

    int l2 = SRC(-1,2);\

    UNUSED int l3 = SRC(-1,3);

#define PREDICT_4x4_LOAD_TOP\

    int t0 = SRC(0,-1);\

    int t1 = SRC(1,-1);\

    int t2 = SRC(2,-1);\

    UNUSED int t3 = SRC(3,-1);

#define PREDICT_4x4_LOAD_TOP_RIGHT\

    int t4 = SRC(4,-1);\

    int t5 = SRC(5,-1);\

    int t6 = SRC(6,-1);\

    UNUSED int t7 = SRC(7,-1);

#define F1(a,b)   (((a)+(b)+1)>>1)

#define F2(a,b,c) (((a)+2*(b)+(c)+2)>>2)

static void predict_4x4_ddl_c( pixel *src )

{

    PREDICT_4x4_LOAD_TOP

    PREDICT_4x4_LOAD_TOP_RIGHT

    SRC(0,0)= F2(t0,t1,t2);

    SRC(1,0)=SRC(0,1)= F2(t1,t2,t3);

    SRC(2,0)=SRC(1,1)=SRC(0,2)= F2(t2,t3,t4);

    SRC(3,0)=SRC(2,1)=SRC(1,2)=SRC(0,3)= F2(t3,t4,t5);

    SRC(3,1)=SRC(2,2)=SRC(1,3)= F2(t4,t5,t6);

    SRC(3,2)=SRC(2,3)= F2(t5,t6,t7);

    SRC(3,3)= F2(t6,t7,t7);

}

static void predict_4x4_ddr_c( pixel *src )

{

    int lt = SRC(-1,-1);

    PREDICT_4x4_LOAD_LEFT

    PREDICT_4x4_LOAD_TOP

    SRC(3,0)= F2(t3,t2,t1);

    SRC(2,0)=SRC(3,1)= F2(t2,t1,t0);

    SRC(1,0)=SRC(2,1)=SRC(3,2)= F2(t1,t0,lt);

    SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)= F2(t0,lt,l0);

    SRC(0,1)=SRC(1,2)=SRC(2,3)= F2(lt,l0,l1);

    SRC(0,2)=SRC(1,3)= F2(l0,l1,l2);

    SRC(0,3)= F2(l1,l2,l3);

}

static void predict_4x4_vr_c( pixel *src )

{

    int lt = SRC(-1,-1);

    PREDICT_4x4_LOAD_LEFT

    PREDICT_4x4_LOAD_TOP

    SRC(0,3)= F2(l2,l1,l0);

    SRC(0,2)= F2(l1,l0,lt);

    SRC(0,1)=SRC(1,3)= F2(l0,lt,t0);

    SRC(0,0)=SRC(1,2)= F1(lt,t0);

    SRC(1,1)=SRC(2,3)= F2(lt,t0,t1);

    SRC(1,0)=SRC(2,2)= F1(t0,t1);

    SRC(2,1)=SRC(3,3)= F2(t0,t1,t2);

    SRC(2,0)=SRC(3,2)= F1(t1,t2);

    SRC(3,1)= F2(t1,t2,t3);

    SRC(3,0)= F1(t2,t3);

}

static void predict_4x4_hd_c( pixel *src )

{

    int lt= SRC(-1,-1);

    PREDICT_4x4_LOAD_LEFT

    PREDICT_4x4_LOAD_TOP

    SRC(0,3)= F1(l2,l3);

    SRC(1,3)= F2(l1,l2,l3);

    SRC(0,2)=SRC(2,3)= F1(l1,l2);

    SRC(1,2)=SRC(3,3)= F2(l0,l1,l2);

    SRC(0,1)=SRC(2,2)= F1(l0,l1);

    SRC(1,1)=SRC(3,2)= F2(lt,l0,l1);

    SRC(0,0)=SRC(2,1)= F1(lt,l0);

    SRC(1,0)=SRC(3,1)= F2(t0,lt,l0);

    SRC(2,0)= F2(t1,t0,lt);

    SRC(3,0)= F2(t2,t1,t0);

}

static void predict_4x4_vl_c( pixel *src )

{

    PREDICT_4x4_LOAD_TOP

    PREDICT_4x4_LOAD_TOP_RIGHT

    SRC(0,0)= F1(t0,t1);

    SRC(0,1)= F2(t0,t1,t2);

    SRC(1,0)=SRC(0,2)= F1(t1,t2);

    SRC(1,1)=SRC(0,3)= F2(t1,t2,t3);

    SRC(2,0)=SRC(1,2)= F1(t2,t3);

    SRC(2,1)=SRC(1,3)= F2(t2,t3,t4);

    SRC(3,0)=SRC(2,2)= F1(t3,t4);

    SRC(3,1)=SRC(2,3)= F2(t3,t4,t5);

    SRC(3,2)= F1(t4,t5);

    SRC(3,3)= F2(t4,t5,t6);

}

static void predict_4x4_hu_c( pixel *src )

{

    PREDICT_4x4_LOAD_LEFT

    SRC(0,0)= F1(l0,l1);

    SRC(1,0)= F2(l0,l1,l2);

    SRC(2,0)=SRC(0,1)= F1(l1,l2);

    SRC(3,0)=SRC(1,1)= F2(l1,l2,l3);

    SRC(2,1)=SRC(0,2)= F1(l2,l3);

    SRC(3,1)=SRC(1,2)= F2(l2,l3,l3);

    SRC(3,2)=SRC(1,3)=SRC(0,3)=

    SRC(2,2)=SRC(2,3)=SRC(3,3)= l3;

}

/****************************************************************************

 * 8x8 prediction for intra luma block

 ****************************************************************************/

#define PL(y) \

    edge[14-y] = F2(SRC(-1,y-1), SRC(-1,y), SRC(-1,y+1));

#define PT(x) \

    edge[16+x] = F2(SRC(x-1,-1), SRC(x,-1), SRC(x+1,-1));

static void predict_8x8_filter_c( pixel *src, pixel edge[36], int i_neighbor, int i_filters )

{

    /* edge[7..14] = l7..l0

     * edge[15] = lt

     * edge[16..31] = t0 .. t15

     * edge[32] = t15 */

    int have_lt = i_neighbor & MB_TOPLEFT;

    if( i_filters & MB_LEFT )

    {

        edge[15] = (SRC(0,-1) + 2*SRC(-1,-1) + SRC(-1,0) + 2) >> 2;

        edge[14] = ((have_lt ? SRC(-1,-1) : SRC(-1,0))

                 + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2;

        PL(1) PL(2) PL(3) PL(4) PL(5) PL(6)

        edge[6] =

        edge[7] = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2;

    }

    if( i_filters & MB_TOP )

    {

        int have_tr = i_neighbor & MB_TOPRIGHT;

        edge[16] = ((have_lt ? SRC(-1,-1) : SRC(0,-1))

                 + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2;

        PT(1) PT(2) PT(3) PT(4) PT(5) PT(6)

        edge[23] = (SRC(6,-1) + 2*SRC(7,-1)

                 + (have_tr ? SRC(8,-1) : SRC(7,-1)) + 2) >> 2;

        if( i_filters & MB_TOPRIGHT )

        {

            if( have_tr )

            {

                PT(8) PT(9) PT(10) PT(11) PT(12) PT(13) PT(14)

                edge[31] =

                edge[32] = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2;

            }

            else

            {

                MPIXEL_X4( edge+24 ) = PIXEL_SPLAT_X4( SRC(7,-1) );

                MPIXEL_X4( edge+28 ) = PIXEL_SPLAT_X4( SRC(7,-1) );

                edge[32] = SRC(7,-1);

            }

        }

    }

}

#undef PL

#undef PT

#define PL(y) \

    UNUSED int l##y = edge[14-y];

#define PT(x) \

    UNUSED int t##x = edge[16+x];

#define PREDICT_8x8_LOAD_TOPLEFT \

    int lt = edge[15];

#define PREDICT_8x8_LOAD_LEFT \

    PL(0) PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) PL(7)

#define PREDICT_8x8_LOAD_TOP \

    PT(0) PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) PT(7)

#define PREDICT_8x8_LOAD_TOPRIGHT \

    PT(8) PT(9) PT(10) PT(11) PT(12) PT(13) PT(14) PT(15)

#define PREDICT_8x8_DC(v) \

    for( int y = 0; y < 8; y++ ) { \

        MPIXEL_X4( src+0 ) = v; \

        MPIXEL_X4( src+4 ) = v; \

        src += FDEC_STRIDE; \

    }

static void predict_8x8_dc_128_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_DC( PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) ) );

}

static void predict_8x8_dc_left_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_LOAD_LEFT

    pixel4 dc = PIXEL_SPLAT_X4( (l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3 );

    PREDICT_8x8_DC( dc );

}

static void predict_8x8_dc_top_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_LOAD_TOP

    pixel4 dc = PIXEL_SPLAT_X4( (t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3 );

    PREDICT_8x8_DC( dc );

}

void x264_predict_8x8_dc_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_LOAD_LEFT

    PREDICT_8x8_LOAD_TOP

    pixel4 dc = PIXEL_SPLAT_X4( (l0+l1+l2+l3+l4+l5+l6+l7+t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4 );

    PREDICT_8x8_DC( dc );

}

Unexecuted instantiation: x264_8_predict_8x8_dc_c

Unexecuted instantiation: x264_10_predict_8x8_dc_c

void x264_predict_8x8_h_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_LOAD_LEFT

#define ROW(y) MPIXEL_X4( src+y*FDEC_STRIDE+0 ) =\

               MPIXEL_X4( src+y*FDEC_STRIDE+4 ) = PIXEL_SPLAT_X4( l##y );

    ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);

#undef ROW

}

Unexecuted instantiation: x264_8_predict_8x8_h_c

Unexecuted instantiation: x264_10_predict_8x8_h_c

void x264_predict_8x8_v_c( pixel *src, pixel edge[36] )

{

    pixel4 top[2] = { MPIXEL_X4( edge+16 ),

                      MPIXEL_X4( edge+20 ) };

    for( int y = 0; y < 8; y++ )

    {

        MPIXEL_X4( src+y*FDEC_STRIDE+0 ) = top[0];

        MPIXEL_X4( src+y*FDEC_STRIDE+4 ) = top[1];

    }

}

Unexecuted instantiation: x264_8_predict_8x8_v_c

Unexecuted instantiation: x264_10_predict_8x8_v_c

static void predict_8x8_ddl_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_LOAD_TOP

    PREDICT_8x8_LOAD_TOPRIGHT

    SRC(0,0)= F2(t0,t1,t2);

    SRC(0,1)=SRC(1,0)= F2(t1,t2,t3);

    SRC(0,2)=SRC(1,1)=SRC(2,0)= F2(t2,t3,t4);

    SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= F2(t3,t4,t5);

    SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= F2(t4,t5,t6);

    SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= F2(t5,t6,t7);

    SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= F2(t6,t7,t8);

    SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= F2(t7,t8,t9);

    SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= F2(t8,t9,t10);

    SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= F2(t9,t10,t11);

    SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= F2(t10,t11,t12);

    SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= F2(t11,t12,t13);

    SRC(5,7)=SRC(6,6)=SRC(7,5)= F2(t12,t13,t14);

    SRC(6,7)=SRC(7,6)= F2(t13,t14,t15);

    SRC(7,7)= F2(t14,t15,t15);

}

static void predict_8x8_ddr_c( pixel *src, pixel edge[36] )

{

    PREDICT_8x8_LOAD_TOP

    PREDICT_8x8_LOAD_LEFT

    PREDICT_8x8_LOAD_TOPLEFT

    SRC(0,7)= F2(l7,l6,l5);

    SRC(0,6)=SRC(1,7)= F2(l6,l5,l4);

    SRC(0,5)=SRC(1,6)=SRC(2,7)= F2(l5,l4,l3);

    SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= F2(l4,l3,l2);

    SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= F2(l3,l2,l1);

    SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= F2(l2,l1,l0);