#endif
#include <errno.h>
+#include <assert.h>
#ifdef HAVE_ALTIVEC_H
# include <altivec.h>
#define DEINTERLACE_BOB 4
#define DEINTERLACE_LINEAR 5
#define DEINTERLACE_X 6
+#define DEINTERLACE_YADIF 7
+#define DEINTERLACE_YADIF2X 8
/*****************************************************************************
* Local protypes
static void RenderBlend ( vout_thread_t *, picture_t *, picture_t * );
static void RenderLinear ( vout_thread_t *, picture_t *, picture_t *, int );
static void RenderX ( picture_t *, picture_t * );
+static void RenderYadif ( vout_thread_t *, picture_t *, picture_t *, int, int );
static void MergeGeneric ( void *, const void *, const void *, size_t );
#if defined(CAN_COMPILE_C_ALTIVEC)
#define FILTER_CFG_PREFIX "sout-deinterlace-"
static const char *const mode_list[] = {
- "discard", "blend", "mean", "bob", "linear", "x" };
+ "discard", "blend", "mean", "bob", "linear", "x", "yadif", "yadif2x" };
static const char *const mode_list_text[] = {
- N_("Discard"), N_("Blend"), N_("Mean"), N_("Bob"), N_("Linear"), "X" };
+ N_("Discard"), N_("Blend"), N_("Mean"), N_("Bob"), N_("Linear"), "X", "Yadif", "Yadif (2x)" };
vlc_module_begin ()
set_description( N_("Deinterlacing video filter") )
* This structure is part of the video output thread descriptor.
* It describes the Deinterlace specific properties of an output thread.
*****************************************************************************/
+#define HISTORY_SIZE (3)
struct vout_sys_t
{
int i_mode; /* Deinterlace mode */
void (*pf_merge) ( void *, const void *, const void *, size_t );
void (*pf_end_merge) ( void );
+
+ /* Yadif */
+ picture_t *pp_history[HISTORY_SIZE];
};
/*****************************************************************************
p_sys->b_double_rate = false;
p_sys->b_half_height = false;
}
+ else if( !strcmp( psz_method, "yadif" ) )
+ {
+ p_sys->i_mode = DEINTERLACE_YADIF;
+ p_sys->b_double_rate = false;
+ p_sys->b_half_height = false;
+ }
+ else if( !strcmp( psz_method, "yadif2x" ) )
+ {
+ p_sys->i_mode = DEINTERLACE_YADIF2X;
+ p_sys->b_double_rate = true;
+ p_sys->b_half_height = false;
+ }
else
{
const bool b_i422 = p_vout->render.i_chroma == VLC_CODEC_I422 ||
case DEINTERLACE_MEAN:
case DEINTERLACE_LINEAR:
case DEINTERLACE_X:
+ case DEINTERLACE_YADIF:
+ case DEINTERLACE_YADIF2X:
p_dst->i_chroma = p_src->i_chroma;
break;
default:
return VLC_EGENERIC;
}
+ for( int i = 0; i < HISTORY_SIZE; i++ )
+ p_vout->p_sys->pp_history[i] = NULL;
+
vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
vout_filter_AddChild( p_vout, p_vout->p_sys->p_vout, MouseEvent );
var_DelCallback( p_vout, "deinterlace-mode", FilterCallback, NULL );
+ for( int i = 0; i < HISTORY_SIZE; i++ )
+ {
+ if( p_sys->pp_history[i] )
+ picture_Release( p_sys->pp_history[i] );
+ }
+
if( p_sys->p_vout )
{
vout_filter_DelChild( p_vout, p_sys->p_vout, MouseEvent );
RenderX( pp_outpic[0], p_pic );
vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
break;
+
+ case DEINTERLACE_YADIF:
+ RenderYadif( p_vout, pp_outpic[0], p_pic, 0, 0 );
+ vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
+ break;
+
+ case DEINTERLACE_YADIF2X:
+ RenderYadif( p_vout, pp_outpic[0], p_pic, 0, p_pic->b_top_field_first ? 0 : 1 );
+ vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[0] );
+ RenderYadif( p_vout, pp_outpic[1], p_pic, 1, p_pic->b_top_field_first ? 1 : 0 );
+ vout_DisplayPicture( p_vout->p_sys->p_vout, pp_outpic[1] );
+ break;
}
vlc_mutex_unlock( &p_vout->p_sys->filter_lock );
}
#endif
}
+/*****************************************************************************
+ * Yadif (Yet Another DeInterlacing Filter).
+ *****************************************************************************/
+/* */
+struct vf_priv_s {
+ /*
+ * 0: Output 1 frame for each frame.
+ * 1: Output 1 frame for each field.
+ * 2: Like 0 but skips spatial interlacing check.
+ * 3: Like 1 but skips spatial interlacing check.
+ *
+ * In vlc, only & 0x02 has meaning, as we do the & 0x01 ourself.
+ */
+ int mode;
+};
+
+/* I am unsure it is the right one */
+typedef intptr_t x86_reg;
+
+#define FFABS(a) ((a) >= 0 ? (a) : (-(a)))
+#define FFMAX(a,b) __MAX(a,b)
+#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c)
+#define FFMIN(a,b) __MIN(a,b)
+#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
+
+/* yadif.h comes from vf_yadif.c of mplayer project */
+#include "yadif.h"
+
+static void RenderYadif( vout_thread_t *p_vout, picture_t *p_dst, picture_t *p_src, int i_order, int i_field )
+{
+ vout_sys_t *p_sys = p_vout->p_sys;
+
+ /* */
+ assert( i_order == 0 || i_order == 1 );
+ assert( i_field == 0 || i_field == 1 );
+
+ if( i_order == 0 )
+ {
+ /* Duplicate the picture
+ * TODO when the vout rework is finished, picture_Hold() might be enough
+ * but becarefull, the pitches must match */
+ picture_t *p_dup = picture_NewFromFormat( &p_src->format );
+ if( p_dup )
+ picture_Copy( p_dup, p_src );
+
+ /* Slide the history */
+ if( p_sys->pp_history[0] )
+ picture_Release( p_sys->pp_history[0] );
+ for( int i = 1; i < HISTORY_SIZE; i++ )
+ p_sys->pp_history[i-1] = p_sys->pp_history[i];
+ p_sys->pp_history[HISTORY_SIZE-1] = p_dup;
+ }
+
+ /* As the pitches must match, use ONLY pictures coming from picture_New()! */
+ picture_t *p_prev = p_sys->pp_history[0];
+ picture_t *p_cur = p_sys->pp_history[1];
+ picture_t *p_next = p_sys->pp_history[2];
+
+ /* Filter if we have all the pictures we need */
+ if( p_prev && p_cur && p_next )
+ {
+ /* */
+ void (*filter)(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity);
+#if defined(HAVE_YADIF_SSE2)
+ if( vlc_CPU() & CPU_CAPABILITY_SSE2 )
+ filter = yadif_filter_line_mmx2;
+ else
+#endif
+ filter = yadif_filter_line_c;
+
+ for( int n = 0; n < p_dst->i_planes; n++ )
+ {
+ const plane_t *prevp = &p_prev->p[n];
+ const plane_t *curp = &p_cur->p[n];
+ const plane_t *nextp = &p_next->p[n];
+ plane_t *dstp = &p_dst->p[n];
+
+ for( int y = 1; y < dstp->i_visible_lines - 1; y++ )
+ {
+ if( (y % 2) == i_field )
+ {
+ vlc_memcpy( &dstp->p_pixels[y * dstp->i_pitch],
+ &curp->p_pixels[y * curp->i_pitch], dstp->i_visible_pitch );
+ }
+ else
+ {
+ struct vf_priv_s cfg;
+ /* Spatial checks only when enough data */
+ cfg.mode = (y >= 2 && y < dstp->i_visible_lines - 2) ? 0 : 2;
+
+ assert( prevp->i_pitch == curp->i_pitch && curp->i_pitch == nextp->i_pitch );
+ filter( &cfg,
+ &dstp->p_pixels[y * dstp->i_pitch],
+ &prevp->p_pixels[y * prevp->i_pitch],
+ &curp->p_pixels[y * curp->i_pitch],
+ &nextp->p_pixels[y * nextp->i_pitch],
+ dstp->i_visible_pitch,
+ curp->i_pitch,
+ (i_field ^ (i_order == i_field)) & 1 );
+ }
+
+ /* We duplicate the first and last lines */
+ if( y == 1 )
+ vlc_memcpy(&dstp->p_pixels[(y-1) * dstp->i_pitch], &dstp->p_pixels[y * dstp->i_pitch], dstp->i_pitch);
+ else if( y == dstp->i_visible_lines - 2 )
+ vlc_memcpy(&dstp->p_pixels[(y+1) * dstp->i_pitch], &dstp->p_pixels[y * dstp->i_pitch], dstp->i_pitch);
+ }
+ }
+
+ /* */
+ p_dst->date = (p_next->date - p_cur->date) * i_order / 2 + p_cur->date;
+ }
+ else
+ {
+ /* Fallback to something simple
+ * XXX it is wrong when we have 2 pictures, we should not output a picture */
+ RenderX( p_dst, p_src );
+ }
+}
+
/*****************************************************************************
* FilterCallback: called when changing the deinterlace method on the fly.
*****************************************************************************/
case DEINTERLACE_X:
RenderX( p_pic_dst, p_pic );
break;
+
+ case DEINTERLACE_YADIF:
+ msg_Err( p_vout, "delaying frames is not supported yet" );
+ picture_Release( p_pic_dst );
+ picture_Release( p_pic );
+ return NULL;
+
+ case DEINTERLACE_YADIF2X:
+ msg_Err( p_vout, "doubling the frame rate is not supported yet" );
+ picture_Release( p_pic_dst );
+ picture_Release( p_pic );
+ return NULL;
}
picture_CopyProperties( p_pic_dst, p_pic );
--- /dev/null
+/*
+ * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/* */
+#if defined(CAN_COMPILE_SSE2) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 0))
+
+#define HAVE_YADIF_SSE2
+
+#define LOAD4(mem,dst) \
+ "movd "mem", "#dst" \n\t"\
+ "punpcklbw %%mm7, "#dst" \n\t"
+
+#define PABS(tmp,dst) \
+ "pxor "#tmp", "#tmp" \n\t"\
+ "psubw "#dst", "#tmp" \n\t"\
+ "pmaxsw "#tmp", "#dst" \n\t"
+
+#define CHECK(pj,mj) \
+ "movq "#pj"(%[cur],%[mrefs]), %%mm2 \n\t" /* cur[x-refs-1+j] */\
+ "movq "#mj"(%[cur],%[prefs]), %%mm3 \n\t" /* cur[x+refs-1-j] */\
+ "movq %%mm2, %%mm4 \n\t"\
+ "movq %%mm2, %%mm5 \n\t"\
+ "pxor %%mm3, %%mm4 \n\t"\
+ "pavgb %%mm3, %%mm5 \n\t"\
+ "pand %[pb1], %%mm4 \n\t"\
+ "psubusb %%mm4, %%mm5 \n\t"\
+ "psrlq $8, %%mm5 \n\t"\
+ "punpcklbw %%mm7, %%mm5 \n\t" /* (cur[x-refs+j] + cur[x+refs-j])>>1 */\
+ "movq %%mm2, %%mm4 \n\t"\
+ "psubusb %%mm3, %%mm2 \n\t"\
+ "psubusb %%mm4, %%mm3 \n\t"\
+ "pmaxub %%mm3, %%mm2 \n\t"\
+ "movq %%mm2, %%mm3 \n\t"\
+ "movq %%mm2, %%mm4 \n\t" /* ABS(cur[x-refs-1+j] - cur[x+refs-1-j]) */\
+ "psrlq $8, %%mm3 \n\t" /* ABS(cur[x-refs +j] - cur[x+refs -j]) */\
+ "psrlq $16, %%mm4 \n\t" /* ABS(cur[x-refs+1+j] - cur[x+refs+1-j]) */\
+ "punpcklbw %%mm7, %%mm2 \n\t"\
+ "punpcklbw %%mm7, %%mm3 \n\t"\
+ "punpcklbw %%mm7, %%mm4 \n\t"\
+ "paddw %%mm3, %%mm2 \n\t"\
+ "paddw %%mm4, %%mm2 \n\t" /* score */
+
+#define CHECK1 \
+ "movq %%mm0, %%mm3 \n\t"\
+ "pcmpgtw %%mm2, %%mm3 \n\t" /* if(score < spatial_score) */\
+ "pminsw %%mm2, %%mm0 \n\t" /* spatial_score= score; */\
+ "movq %%mm3, %%mm6 \n\t"\
+ "pand %%mm3, %%mm5 \n\t"\
+ "pandn %%mm1, %%mm3 \n\t"\
+ "por %%mm5, %%mm3 \n\t"\
+ "movq %%mm3, %%mm1 \n\t" /* spatial_pred= (cur[x-refs+j] + cur[x+refs-j])>>1; */
+
+#define CHECK2 /* pretend not to have checked dir=2 if dir=1 was bad.\
+ hurts both quality and speed, but matches the C version. */\
+ "paddw %[pw1], %%mm6 \n\t"\
+ "psllw $14, %%mm6 \n\t"\
+ "paddsw %%mm6, %%mm2 \n\t"\
+ "movq %%mm0, %%mm3 \n\t"\
+ "pcmpgtw %%mm2, %%mm3 \n\t"\
+ "pminsw %%mm2, %%mm0 \n\t"\
+ "pand %%mm3, %%mm5 \n\t"\
+ "pandn %%mm1, %%mm3 \n\t"\
+ "por %%mm5, %%mm3 \n\t"\
+ "movq %%mm3, %%mm1 \n\t"
+
+static void yadif_filter_line_mmx2(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity){
+ static const uint64_t pw_1 = 0x0001000100010001ULL;
+ static const uint64_t pb_1 = 0x0101010101010101ULL;
+ const int mode = p->mode;
+ uint64_t tmp0, tmp1, tmp2, tmp3;
+ int x;
+
+#define FILTER\
+ for(x=0; x<w; x+=4){\
+ __asm__ volatile(\
+ "pxor %%mm7, %%mm7 \n\t"\
+ LOAD4("(%[cur],%[mrefs])", %%mm0) /* c = cur[x-refs] */\
+ LOAD4("(%[cur],%[prefs])", %%mm1) /* e = cur[x+refs] */\
+ LOAD4("(%["prev2"])", %%mm2) /* prev2[x] */\
+ LOAD4("(%["next2"])", %%mm3) /* next2[x] */\
+ "movq %%mm3, %%mm4 \n\t"\
+ "paddw %%mm2, %%mm3 \n\t"\
+ "psraw $1, %%mm3 \n\t" /* d = (prev2[x] + next2[x])>>1 */\
+ "movq %%mm0, %[tmp0] \n\t" /* c */\
+ "movq %%mm3, %[tmp1] \n\t" /* d */\
+ "movq %%mm1, %[tmp2] \n\t" /* e */\
+ "psubw %%mm4, %%mm2 \n\t"\
+ PABS( %%mm4, %%mm2) /* temporal_diff0 */\
+ LOAD4("(%[prev],%[mrefs])", %%mm3) /* prev[x-refs] */\
+ LOAD4("(%[prev],%[prefs])", %%mm4) /* prev[x+refs] */\
+ "psubw %%mm0, %%mm3 \n\t"\
+ "psubw %%mm1, %%mm4 \n\t"\
+ PABS( %%mm5, %%mm3)\
+ PABS( %%mm5, %%mm4)\
+ "paddw %%mm4, %%mm3 \n\t" /* temporal_diff1 */\
+ "psrlw $1, %%mm2 \n\t"\
+ "psrlw $1, %%mm3 \n\t"\
+ "pmaxsw %%mm3, %%mm2 \n\t"\
+ LOAD4("(%[next],%[mrefs])", %%mm3) /* next[x-refs] */\
+ LOAD4("(%[next],%[prefs])", %%mm4) /* next[x+refs] */\
+ "psubw %%mm0, %%mm3 \n\t"\
+ "psubw %%mm1, %%mm4 \n\t"\
+ PABS( %%mm5, %%mm3)\
+ PABS( %%mm5, %%mm4)\
+ "paddw %%mm4, %%mm3 \n\t" /* temporal_diff2 */\
+ "psrlw $1, %%mm3 \n\t"\
+ "pmaxsw %%mm3, %%mm2 \n\t"\
+ "movq %%mm2, %[tmp3] \n\t" /* diff */\
+\
+ "paddw %%mm0, %%mm1 \n\t"\
+ "paddw %%mm0, %%mm0 \n\t"\
+ "psubw %%mm1, %%mm0 \n\t"\
+ "psrlw $1, %%mm1 \n\t" /* spatial_pred */\
+ PABS( %%mm2, %%mm0) /* ABS(c-e) */\
+\
+ "movq -1(%[cur],%[mrefs]), %%mm2 \n\t" /* cur[x-refs-1] */\
+ "movq -1(%[cur],%[prefs]), %%mm3 \n\t" /* cur[x+refs-1] */\
+ "movq %%mm2, %%mm4 \n\t"\
+ "psubusb %%mm3, %%mm2 \n\t"\
+ "psubusb %%mm4, %%mm3 \n\t"\
+ "pmaxub %%mm3, %%mm2 \n\t"\
+ "pshufw $9,%%mm2, %%mm3 \n\t"\
+ "punpcklbw %%mm7, %%mm2 \n\t" /* ABS(cur[x-refs-1] - cur[x+refs-1]) */\
+ "punpcklbw %%mm7, %%mm3 \n\t" /* ABS(cur[x-refs+1] - cur[x+refs+1]) */\
+ "paddw %%mm2, %%mm0 \n\t"\
+ "paddw %%mm3, %%mm0 \n\t"\
+ "psubw %[pw1], %%mm0 \n\t" /* spatial_score */\
+\
+ CHECK(-2,0)\
+ CHECK1\
+ CHECK(-3,1)\
+ CHECK2\
+ CHECK(0,-2)\
+ CHECK1\
+ CHECK(1,-3)\
+ CHECK2\
+\
+ /* if(p->mode<2) ... */\
+ "movq %[tmp3], %%mm6 \n\t" /* diff */\
+ "cmp $2, %[mode] \n\t"\
+ "jge 1f \n\t"\
+ LOAD4("(%["prev2"],%[mrefs],2)", %%mm2) /* prev2[x-2*refs] */\
+ LOAD4("(%["next2"],%[mrefs],2)", %%mm4) /* next2[x-2*refs] */\
+ LOAD4("(%["prev2"],%[prefs],2)", %%mm3) /* prev2[x+2*refs] */\
+ LOAD4("(%["next2"],%[prefs],2)", %%mm5) /* next2[x+2*refs] */\
+ "paddw %%mm4, %%mm2 \n\t"\
+ "paddw %%mm5, %%mm3 \n\t"\
+ "psrlw $1, %%mm2 \n\t" /* b */\
+ "psrlw $1, %%mm3 \n\t" /* f */\
+ "movq %[tmp0], %%mm4 \n\t" /* c */\
+ "movq %[tmp1], %%mm5 \n\t" /* d */\
+ "movq %[tmp2], %%mm7 \n\t" /* e */\
+ "psubw %%mm4, %%mm2 \n\t" /* b-c */\
+ "psubw %%mm7, %%mm3 \n\t" /* f-e */\
+ "movq %%mm5, %%mm0 \n\t"\
+ "psubw %%mm4, %%mm5 \n\t" /* d-c */\
+ "psubw %%mm7, %%mm0 \n\t" /* d-e */\
+ "movq %%mm2, %%mm4 \n\t"\
+ "pminsw %%mm3, %%mm2 \n\t"\
+ "pmaxsw %%mm4, %%mm3 \n\t"\
+ "pmaxsw %%mm5, %%mm2 \n\t"\
+ "pminsw %%mm5, %%mm3 \n\t"\
+ "pmaxsw %%mm0, %%mm2 \n\t" /* max */\
+ "pminsw %%mm0, %%mm3 \n\t" /* min */\
+ "pxor %%mm4, %%mm4 \n\t"\
+ "pmaxsw %%mm3, %%mm6 \n\t"\
+ "psubw %%mm2, %%mm4 \n\t" /* -max */\
+ "pmaxsw %%mm4, %%mm6 \n\t" /* diff= MAX3(diff, min, -max); */\
+ "1: \n\t"\
+\
+ "movq %[tmp1], %%mm2 \n\t" /* d */\
+ "movq %%mm2, %%mm3 \n\t"\
+ "psubw %%mm6, %%mm2 \n\t" /* d-diff */\
+ "paddw %%mm6, %%mm3 \n\t" /* d+diff */\
+ "pmaxsw %%mm2, %%mm1 \n\t"\
+ "pminsw %%mm3, %%mm1 \n\t" /* d = clip(spatial_pred, d-diff, d+diff); */\
+ "packuswb %%mm1, %%mm1 \n\t"\
+\
+ :[tmp0]"=m"(tmp0),\
+ [tmp1]"=m"(tmp1),\
+ [tmp2]"=m"(tmp2),\
+ [tmp3]"=m"(tmp3)\
+ :[prev] "r"(prev),\
+ [cur] "r"(cur),\
+ [next] "r"(next),\
+ [prefs]"r"((x86_reg)refs),\
+ [mrefs]"r"((x86_reg)-refs),\
+ [pw1] "m"(pw_1),\
+ [pb1] "m"(pb_1),\
+ [mode] "g"(mode)\
+ );\
+ __asm__ volatile("movd %%mm1, %0" :"=m"(*dst));\
+ dst += 4;\
+ prev+= 4;\
+ cur += 4;\
+ next+= 4;\
+ }
+
+ if(parity){
+#define prev2 "prev"
+#define next2 "cur"
+ FILTER
+#undef prev2
+#undef next2
+ }else{
+#define prev2 "cur"
+#define next2 "next"
+ FILTER
+#undef prev2
+#undef next2
+ }
+}
+#undef LOAD4
+#undef PABS
+#undef CHECK
+#undef CHECK1
+#undef CHECK2
+#undef FILTER
+
+#endif
+
+static void yadif_filter_line_c(struct vf_priv_s *p, uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int refs, int parity){
+ int x;
+ uint8_t *prev2= parity ? prev : cur ;
+ uint8_t *next2= parity ? cur : next;
+ for(x=0; x<w; x++){
+ int c= cur[-refs];
+ int d= (prev2[0] + next2[0])>>1;
+ int e= cur[+refs];
+ int temporal_diff0= FFABS(prev2[0] - next2[0]);
+ int temporal_diff1=( FFABS(prev[-refs] - c) + FFABS(prev[+refs] - e) )>>1;
+ int temporal_diff2=( FFABS(next[-refs] - c) + FFABS(next[+refs] - e) )>>1;
+ int diff= FFMAX3(temporal_diff0>>1, temporal_diff1, temporal_diff2);
+ int spatial_pred= (c+e)>>1;
+ int spatial_score= FFABS(cur[-refs-1] - cur[+refs-1]) + FFABS(c-e)
+ + FFABS(cur[-refs+1] - cur[+refs+1]) - 1;
+
+#define CHECK(j)\
+ { int score= FFABS(cur[-refs-1+j] - cur[+refs-1-j])\
+ + FFABS(cur[-refs +j] - cur[+refs -j])\
+ + FFABS(cur[-refs+1+j] - cur[+refs+1-j]);\
+ if(score < spatial_score){\
+ spatial_score= score;\
+ spatial_pred= (cur[-refs +j] + cur[+refs -j])>>1;\
+
+ CHECK(-1) CHECK(-2) }} }}
+ CHECK( 1) CHECK( 2) }} }}
+
+ if(p->mode<2){
+ int b= (prev2[-2*refs] + next2[-2*refs])>>1;
+ int f= (prev2[+2*refs] + next2[+2*refs])>>1;
+#if 0
+ int a= cur[-3*refs];
+ int g= cur[+3*refs];
+ int max= FFMAX3(d-e, d-c, FFMIN3(FFMAX(b-c,f-e),FFMAX(b-c,b-a),FFMAX(f-g,f-e)) );
+ int min= FFMIN3(d-e, d-c, FFMAX3(FFMIN(b-c,f-e),FFMIN(b-c,b-a),FFMIN(f-g,f-e)) );
+#else
+ int max= FFMAX3(d-e, d-c, FFMIN(b-c, f-e));
+ int min= FFMIN3(d-e, d-c, FFMAX(b-c, f-e));
+#endif
+
+ diff= FFMAX3(diff, min, -max);
+ }
+
+ if(spatial_pred > d + diff)
+ spatial_pred = d + diff;
+ else if(spatial_pred < d - diff)
+ spatial_pred = d - diff;
+
+ dst[0] = spatial_pred;
+
+ dst++;
+ cur++;
+ prev++;
+ next++;
+ prev2++;
+ next2++;
+ }
+}
+