/*****************************************************************************
* mc.h: motion compensation
*****************************************************************************
- * Copyright (C) 2004-2014 x264 project
+ * Copyright (C) 2004-2016 x264 project
*
* Authors: Loren Merritt <lorenm@u.washington.edu>
*
#ifndef X264_MC_H
#define X264_MC_H
+#define MC_CLIP_ADD(s,x) (s) = X264_MIN((s)+(x),(1<<15)-1)
+#define MC_CLIP_ADD2(s,x)\
+do\
+{\
+ MC_CLIP_ADD((s)[0], (x)[0]);\
+ MC_CLIP_ADD((s)[1], (x)[1]);\
+} while(0)
+
+#define PROPAGATE_LIST(cpu)\
+void x264_mbtree_propagate_list_internal_##cpu( int16_t (*mvs)[2], int16_t *propagate_amount,\
+ uint16_t *lowres_costs, int16_t *output,\
+ int bipred_weight, int mb_y, int len );\
+\
+static void x264_mbtree_propagate_list_##cpu( x264_t *h, uint16_t *ref_costs, int16_t (*mvs)[2],\
+ int16_t *propagate_amount, uint16_t *lowres_costs,\
+ int bipred_weight, int mb_y, int len, int list )\
+{\
+ int16_t *current = h->scratch_buffer2;\
+\
+ x264_mbtree_propagate_list_internal_##cpu( mvs, propagate_amount, lowres_costs,\
+ current, bipred_weight, mb_y, len );\
+\
+ unsigned stride = h->mb.i_mb_stride;\
+ unsigned width = h->mb.i_mb_width;\
+ unsigned height = h->mb.i_mb_height;\
+\
+ for( unsigned i = 0; i < len; current += 32 )\
+ {\
+ int end = X264_MIN( i+8, len );\
+ for( ; i < end; i++, current += 2 )\
+ {\
+ if( !(lowres_costs[i] & (1 << (list+LOWRES_COST_SHIFT))) )\
+ continue;\
+\
+ unsigned mbx = current[0];\
+ unsigned mby = current[1];\
+ unsigned idx0 = mbx + mby * stride;\
+ unsigned idx2 = idx0 + stride;\
+\
+ /* Shortcut for the simple/common case of zero MV */\
+ if( !M32( mvs[i] ) )\
+ {\
+ MC_CLIP_ADD( ref_costs[idx0], current[16] );\
+ continue;\
+ }\
+\
+ if( mbx < width-1 && mby < height-1 )\
+ {\
+ MC_CLIP_ADD2( ref_costs+idx0, current+16 );\
+ MC_CLIP_ADD2( ref_costs+idx2, current+32 );\
+ }\
+ else\
+ {\
+ /* Note: this takes advantage of unsigned representation to\
+ * catch negative mbx/mby. */\
+ if( mby < height )\
+ {\
+ if( mbx < width )\
+ MC_CLIP_ADD( ref_costs[idx0+0], current[16] );\
+ if( mbx+1 < width )\
+ MC_CLIP_ADD( ref_costs[idx0+1], current[17] );\
+ }\
+ if( mby+1 < height )\
+ {\
+ if( mbx < width )\
+ MC_CLIP_ADD( ref_costs[idx2+0], current[32] );\
+ if( mbx+1 < width )\
+ MC_CLIP_ADD( ref_costs[idx2+1], current[33] );\
+ }\
+ }\
+ }\
+ }\
+}
+
struct x264_weight_t;
typedef void (* weight_fn_t)( pixel *, intptr_t, pixel *,intptr_t, const struct x264_weight_t *, int );
typedef struct x264_weight_t
void (*load_deinterleave_chroma_fdec)( pixel *dst, pixel *src, intptr_t i_src, int height );
void (*plane_copy)( pixel *dst, intptr_t i_dst, pixel *src, intptr_t i_src, int w, int h );
+ void (*plane_copy_swap)( pixel *dst, intptr_t i_dst, pixel *src, intptr_t i_src, int w, int h );
void (*plane_copy_interleave)( pixel *dst, intptr_t i_dst, pixel *srcu, intptr_t i_srcu,
pixel *srcv, intptr_t i_srcv, int w, int h );
/* may write up to 15 pixels off the end of each plane */