/*****************************************************************************
- * mc.h: h264 encoder library (Motion Compensation)
+ * mc.h: motion compensation
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: mc.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $
+ * Copyright (C) 2004-2011 x264 project
*
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * 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 _MC_H
-#define _MC_H 1
+#ifndef X264_MC_H
+#define X264_MC_H
+
+struct x264_weight_t;
+typedef void (* weight_fn_t)( pixel *, int, pixel *,int, 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 weight_none[3];
+
+#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 == 16-> height == 8 or 16
* */
-typedef void (*x264_mc_function_t)(uint8_t *, int, uint8_t *, int,
- int mvx, int mvy,
- int i_width, int i_height );
-enum
+typedef struct
{
- MC_LUMA = 0,
- MC_CHROMA = 1,
-};
+ void (*mc_luma)(pixel *dst, int i_dst, pixel **src, int 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, int *i_dst, pixel **src, int 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, int i_dst, pixel *src, int i_src,
+ int mvx, int mvy,
+ int i_width, int i_height );
+
+ void (*avg[10])( pixel *dst, int, pixel *src1, int, pixel *src2, int, int i_weight );
+
+ /* only 16x16, 8x8, and 4x4 defined */
+ void (*copy[7])( pixel *dst, int, pixel *src, int, int i_height );
+ void (*copy_16x16_unaligned)( pixel *dst, int, pixel *src, int, int i_height );
+
+ void (*store_interleave_8x8x2)( pixel *dst, int i_dst, pixel *srcu, pixel *srcv );
+ void (*load_deinterleave_8x8x2_fenc)( pixel *dst, pixel *src, int i_src );
+ void (*load_deinterleave_8x8x2_fdec)( pixel *dst, pixel *src, int i_src );
+
+ void (*plane_copy)( pixel *dst, int i_dst,
+ pixel *src, int i_src, int w, int h );
+ void (*plane_copy_interleave)( pixel *dst, int i_dst,
+ pixel *srcu, int i_srcu,
+ pixel *srcv, int i_srcv, int w, int h );
+ /* may write up to 15 pixels off the end of each plane */
+ void (*plane_copy_deinterleave)( pixel *dstu, int i_dstu,
+ pixel *dstv, int i_dstv,
+ pixel *src, int i_src, int w, int h );
+
+ void (*hpel_filter)( pixel *dsth, pixel *dstv, pixel *dstc, pixel *src,
+ int 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, int stride_y,
+ pixel *pix_uv, int stride_uv, int mb_x );
+ /* prefetch the next few macroblocks of a hpel reference frame */
+ void (*prefetch_ref)( pixel *pix, int stride, int parity );
+
+ void *(*memcpy_aligned)( void *dst, const void *src, size_t n );
+ void (*memzero_aligned)( void *dst, int n );
+
+ /* successive elimination prefilter */
+ void (*integral_init4h)( uint16_t *sum, pixel *pix, int stride );
+ void (*integral_init8h)( uint16_t *sum, pixel *pix, int stride );
+ void (*integral_init4v)( uint16_t *sum8, uint16_t *sum4, int stride );
+ void (*integral_init8v)( uint16_t *sum8, int stride );
+
+ void (*frame_init_lowres_core)( pixel *src0, pixel *dst0, pixel *dsth, pixel *dstv, pixel *dstc,
+ int src_stride, int 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)( int *dst, uint16_t *propagate_in, uint16_t *intra_costs,
+ uint16_t *inter_costs, uint16_t *inv_qscales, float *fps_factor, int len );
+} x264_mc_functions_t;
-void x264_mc_init( int cpu, x264_mc_function_t pf[2] );
+void x264_mc_init( int cpu, x264_mc_functions_t *pf );
#endif
projects / x264 / blobdiff