/***************************************************************************** * mc.h: motion compensation ***************************************************************************** * Copyright (C) 2004-2016 x264 project * * Authors: Loren Merritt * * 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. *****************************************************************************/ #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 * width == 8 -> height == 4 or 8 or 16 * width == 16-> height == 8 or 16 * */ typedef struct { 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 */ 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)( 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[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])( 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 (*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 (*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) ( 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)( pixel *pix, intptr_t stride, int parity ); void *(*memcpy_aligned)( void *dst, const void *src, size_t n ); void (*memzero_aligned)( void *dst, size_t n ); /* successive elimination prefilter */ 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 (*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, int cpu_independent ); #endif