/*****************************************************************************
- * mc.h: h264 encoder library (Motion Compensation)
+ * mc.h: motion compensation
*****************************************************************************
- * Copyright (C) 2004-2008 Loren Merritt <lorenm@u.washington.edu>
+ * Copyright (C) 2004-2016 x264 project
+ *
+ * Authors: Loren Merritt <lorenm@u.washington.edu>
*
* 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
* 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.
*****************************************************************************/
#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
+{
+ /* aligning the first member is a gcc hack to force the struct to be
+ * 16 byte aligned, as well as force sizeof(struct) to be a multiple of 16 */
+ ALIGNED_16( int16_t cachea[8] );
+ int16_t cacheb[8];
+ int32_t i_denom;
+ int32_t i_scale;
+ int32_t i_offset;
+ weight_fn_t *weightfn;
+} ALIGNED_16( x264_weight_t );
+
+extern const x264_weight_t x264_weight_none[3];
+extern const uint8_t x264_hpel_ref0[16];
+extern const uint8_t x264_hpel_ref1[16];
+
+#define SET_WEIGHT( w, b, s, d, o )\
+{\
+ (w).i_scale = (s);\
+ (w).i_denom = (d);\
+ (w).i_offset = (o);\
+ if( b )\
+ h->mc.weight_cache( h, &w );\
+ else\
+ w.weightfn = NULL;\
+}
+
/* Do the MC
* XXX: Only width = 4, 8 or 16 are valid
* width == 4 -> height == 4 or 8
typedef struct
{
- void (*mc_luma)(uint8_t *dst, int i_dst, uint8_t **src, int i_src,
- int mvx, int mvy,
- int i_width, int i_height );
+ void (*mc_luma)( pixel *dst, intptr_t i_dst, pixel **src, intptr_t i_src,
+ int mvx, int mvy, int i_width, int i_height, const x264_weight_t *weight );
/* may round up the dimensions if they're not a power of 2 */
- uint8_t* (*get_ref)(uint8_t *dst, int *i_dst, uint8_t **src, int i_src,
- int mvx, int mvy,
- int i_width, int i_height );
+ pixel* (*get_ref)( pixel *dst, intptr_t *i_dst, pixel **src, intptr_t i_src,
+ int mvx, int mvy, int i_width, int i_height, const x264_weight_t *weight );
/* mc_chroma may write up to 2 bytes of garbage to the right of dst,
* so it must be run from left to right. */
- void (*mc_chroma)(uint8_t *dst, int i_dst, uint8_t *src, int i_src,
- int mvx, int mvy,
- int i_width, int i_height );
+ void (*mc_chroma)( pixel *dstu, pixel *dstv, intptr_t i_dst, pixel *src, intptr_t i_src,
+ int mvx, int mvy, int i_width, int i_height );
- void (*avg[10])( uint8_t *dst, int, uint8_t *src1, int, uint8_t *src2, int, int i_weight );
+ void (*avg[12])( pixel *dst, intptr_t dst_stride, pixel *src1, intptr_t src1_stride,
+ pixel *src2, intptr_t src2_stride, int i_weight );
/* only 16x16, 8x8, and 4x4 defined */
- void (*copy[7])( uint8_t *dst, int, uint8_t *src, int, int i_height );
- void (*copy_16x16_unaligned)( uint8_t *dst, int, uint8_t *src, int, int i_height );
+ void (*copy[7])( pixel *dst, intptr_t dst_stride, pixel *src, intptr_t src_stride, int i_height );
+ void (*copy_16x16_unaligned)( pixel *dst, intptr_t dst_stride, pixel *src, intptr_t src_stride, int i_height );
- void (*plane_copy)( uint8_t *dst, int i_dst,
- uint8_t *src, int i_src, int w, int h);
+ void (*store_interleave_chroma)( pixel *dst, intptr_t i_dst, pixel *srcu, pixel *srcv, int height );
+ void (*load_deinterleave_chroma_fenc)( pixel *dst, pixel *src, intptr_t i_src, int height );
+ void (*load_deinterleave_chroma_fdec)( pixel *dst, pixel *src, intptr_t i_src, int height );
- void (*hpel_filter)( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src,
- int i_stride, int i_width, int i_height, int16_t *buf );
+ 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 */
+ void (*plane_copy_deinterleave)( pixel *dstu, intptr_t i_dstu, pixel *dstv, intptr_t i_dstv,
+ pixel *src, intptr_t i_src, int w, int h );
+ void (*plane_copy_deinterleave_rgb)( pixel *dsta, intptr_t i_dsta, pixel *dstb, intptr_t i_dstb,
+ pixel *dstc, intptr_t i_dstc, pixel *src, intptr_t i_src, int pw, int w, int h );
+ void (*plane_copy_deinterleave_v210)( pixel *dsty, intptr_t i_dsty,
+ pixel *dstc, intptr_t i_dstc,
+ uint32_t *src, intptr_t i_src, int w, int h );
+ void (*hpel_filter)( pixel *dsth, pixel *dstv, pixel *dstc, pixel *src,
+ intptr_t i_stride, int i_width, int i_height, int16_t *buf );
/* prefetch the next few macroblocks of fenc or fdec */
- void (*prefetch_fenc)( uint8_t *pix_y, int stride_y,
- uint8_t *pix_uv, int stride_uv, int mb_x );
+ void (*prefetch_fenc) ( pixel *pix_y, intptr_t stride_y, pixel *pix_uv, intptr_t stride_uv, int mb_x );
+ void (*prefetch_fenc_420)( pixel *pix_y, intptr_t stride_y, pixel *pix_uv, intptr_t stride_uv, int mb_x );
+ void (*prefetch_fenc_422)( pixel *pix_y, intptr_t stride_y, pixel *pix_uv, intptr_t stride_uv, int mb_x );
/* prefetch the next few macroblocks of a hpel reference frame */
- void (*prefetch_ref)( uint8_t *pix, int stride, int parity );
+ void (*prefetch_ref)( pixel *pix, intptr_t stride, int parity );
void *(*memcpy_aligned)( void *dst, const void *src, size_t n );
- void (*memzero_aligned)( void *dst, int n );
+ void (*memzero_aligned)( void *dst, size_t n );
/* successive elimination prefilter */
- void (*integral_init4h)( uint16_t *sum, uint8_t *pix, int stride );
- void (*integral_init8h)( uint16_t *sum, uint8_t *pix, int stride );
- void (*integral_init4v)( uint16_t *sum8, uint16_t *sum4, int stride );
- void (*integral_init8v)( uint16_t *sum8, int stride );
+ void (*integral_init4h)( uint16_t *sum, pixel *pix, intptr_t stride );
+ void (*integral_init8h)( uint16_t *sum, pixel *pix, intptr_t stride );
+ void (*integral_init4v)( uint16_t *sum8, uint16_t *sum4, intptr_t stride );
+ void (*integral_init8v)( uint16_t *sum8, intptr_t stride );
+
+ void (*frame_init_lowres_core)( pixel *src0, pixel *dst0, pixel *dsth, pixel *dstv, pixel *dstc,
+ intptr_t src_stride, intptr_t dst_stride, int width, int height );
+ weight_fn_t *weight;
+ weight_fn_t *offsetadd;
+ weight_fn_t *offsetsub;
+ void (*weight_cache)( x264_t *, x264_weight_t * );
+
+ void (*mbtree_propagate_cost)( int16_t *dst, uint16_t *propagate_in, uint16_t *intra_costs,
+ uint16_t *inter_costs, uint16_t *inv_qscales, float *fps_factor, int len );
- void (*frame_init_lowres_core)( uint8_t *src0, uint8_t *dst0, uint8_t *dsth, uint8_t *dstv, uint8_t *dstc,
- int src_stride, int dst_stride, int width, int height );
+ void (*mbtree_propagate_list)( 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 );
} x264_mc_functions_t;
-void x264_mc_init( int cpu, x264_mc_functions_t *pf );
+void x264_mc_init( int cpu, x264_mc_functions_t *pf, int cpu_independent );
#endif
projects / x264 / blobdiff