/*****************************************************************************
- * mc.c: h264 encoder library (Motion Compensation)
+ * mc.c: motion compensation
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: mc.c,v 1.1 2004/06/03 19:27:07 fenrir Exp $
+ * Copyright (C) 2003-2015 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * 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.
*****************************************************************************/
#include "common.h"
-#ifdef HAVE_MMX
+#if HAVE_MMX
#include "x86/mc.h"
#endif
-#ifdef ARCH_PPC
+#if ARCH_PPC
#include "ppc/mc.h"
#endif
+#if ARCH_ARM
+#include "arm/mc.h"
+#endif
+#if ARCH_AARCH64
+#include "aarch64/mc.h"
+#endif
+#if ARCH_MIPS
+#include "mips/mc.h"
+#endif
-static inline void pixel_avg( uint8_t *dst, int i_dst_stride,
- uint8_t *src1, int i_src1_stride,
- uint8_t *src2, int i_src2_stride,
- int i_width, int i_height )
+static inline void pixel_avg( pixel *dst, intptr_t i_dst_stride,
+ pixel *src1, intptr_t i_src1_stride,
+ pixel *src2, intptr_t i_src2_stride, int i_width, int i_height )
{
- int x, y;
- for( y = 0; y < i_height; y++ )
+ for( int y = 0; y < i_height; y++ )
{
- for( x = 0; x < i_width; x++ )
- {
+ for( int x = 0; x < i_width; x++ )
dst[x] = ( src1[x] + src2[x] + 1 ) >> 1;
- }
dst += i_dst_stride;
src1 += i_src1_stride;
src2 += i_src2_stride;
}
}
-static inline void pixel_avg_wxh( uint8_t *dst, int i_dst, uint8_t *src, int i_src, int width, int height )
+static inline void pixel_avg_wxh( pixel *dst, intptr_t i_dst,
+ pixel *src1, intptr_t i_src1,
+ pixel *src2, intptr_t i_src2, int width, int height )
{
- int x, y;
- for( y = 0; y < height; y++ )
+ for( int y = 0; y < height; y++ )
{
- for( x = 0; x < width; x++ )
- {
- dst[x] = ( dst[x] + src[x] + 1 ) >> 1;
- }
+ for( int x = 0; x < width; x++ )
+ dst[x] = ( src1[x] + src2[x] + 1 ) >> 1;
+ src1 += i_src1;
+ src2 += i_src2;
dst += i_dst;
- src += i_src;
}
}
+/* Implicit weighted bipred only:
+ * assumes log2_denom = 5, offset = 0, weight1 + weight2 = 64 */
+static inline void pixel_avg_weight_wxh( pixel *dst, intptr_t i_dst,
+ pixel *src1, intptr_t i_src1,
+ pixel *src2, intptr_t i_src2, int width, int height, int i_weight1 )
+{
+ int i_weight2 = 64 - i_weight1;
+ for( int y = 0; y<height; y++, dst += i_dst, src1 += i_src1, src2 += i_src2 )
+ for( int x = 0; x<width; x++ )
+ dst[x] = x264_clip_pixel( (src1[x]*i_weight1 + src2[x]*i_weight2 + (1<<5)) >> 6 );
+}
+#undef op_scale2
+
#define PIXEL_AVG_C( name, width, height ) \
-static void name( uint8_t *pix1, int i_stride_pix1, \
- uint8_t *pix2, int i_stride_pix2 ) \
+static void name( pixel *pix1, intptr_t i_stride_pix1, \
+ pixel *pix2, intptr_t i_stride_pix2, \
+ pixel *pix3, intptr_t i_stride_pix3, int weight ) \
{ \
- pixel_avg_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, width, height ); \
+ if( weight == 32 ) \
+ pixel_avg_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, pix3, i_stride_pix3, width, height ); \
+ else \
+ pixel_avg_weight_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, pix3, i_stride_pix3, width, height, weight ); \
}
PIXEL_AVG_C( pixel_avg_16x16, 16, 16 )
PIXEL_AVG_C( pixel_avg_16x8, 16, 8 )
PIXEL_AVG_C( pixel_avg_8x16, 8, 16 )
PIXEL_AVG_C( pixel_avg_8x8, 8, 8 )
PIXEL_AVG_C( pixel_avg_8x4, 8, 4 )
+PIXEL_AVG_C( pixel_avg_4x16, 4, 16 )
PIXEL_AVG_C( pixel_avg_4x8, 4, 8 )
PIXEL_AVG_C( pixel_avg_4x4, 4, 4 )
PIXEL_AVG_C( pixel_avg_4x2, 4, 2 )
+PIXEL_AVG_C( pixel_avg_2x8, 2, 8 )
PIXEL_AVG_C( pixel_avg_2x4, 2, 4 )
PIXEL_AVG_C( pixel_avg_2x2, 2, 2 )
-
-/* Implicit weighted bipred only:
- * assumes log2_denom = 5, offset = 0, weight1 + weight2 = 64 */
-#define op_scale2(x) dst[x] = x264_clip_uint8( (dst[x]*i_weight1 + src[x]*i_weight2 + (1<<5)) >> 6 )
-static inline void pixel_avg_weight_wxh( uint8_t *dst, int i_dst, uint8_t *src, int i_src, int width, int height, int i_weight1 ){
- int y;
- const int i_weight2 = 64 - i_weight1;
- for(y=0; y<height; y++, dst += i_dst, src += i_src){
- op_scale2(0);
- op_scale2(1);
- if(width==2) continue;
- op_scale2(2);
- op_scale2(3);
- if(width==4) continue;
- op_scale2(4);
- op_scale2(5);
- op_scale2(6);
- op_scale2(7);
- if(width==8) continue;
- op_scale2(8);
- op_scale2(9);
- op_scale2(10);
- op_scale2(11);
- op_scale2(12);
- op_scale2(13);
- op_scale2(14);
- op_scale2(15);
+static void x264_weight_cache( x264_t *h, x264_weight_t *w )
+{
+ w->weightfn = h->mc.weight;
+}
+#define opscale(x) dst[x] = x264_clip_pixel( ((src[x] * scale + (1<<(denom - 1))) >> denom) + offset )
+#define opscale_noden(x) dst[x] = x264_clip_pixel( src[x] * scale + offset )
+static void mc_weight( pixel *dst, intptr_t i_dst_stride, pixel *src, intptr_t i_src_stride,
+ const x264_weight_t *weight, int i_width, int i_height )
+{
+ int offset = weight->i_offset << (BIT_DEPTH-8);
+ int scale = weight->i_scale;
+ int denom = weight->i_denom;
+ if( denom >= 1 )
+ {
+ for( int y = 0; y < i_height; y++, dst += i_dst_stride, src += i_src_stride )
+ for( int x = 0; x < i_width; x++ )
+ opscale( x );
+ }
+ else
+ {
+ for( int y = 0; y < i_height; y++, dst += i_dst_stride, src += i_src_stride )
+ for( int x = 0; x < i_width; x++ )
+ opscale_noden( x );
}
}
-#define PIXEL_AVG_WEIGHT_C( width, height ) \
-static void pixel_avg_weight_##width##x##height( \
- uint8_t *pix1, int i_stride_pix1, \
- uint8_t *pix2, int i_stride_pix2, int i_weight1 ) \
+#define MC_WEIGHT_C( name, width ) \
+ static void name( pixel *dst, intptr_t i_dst_stride, pixel *src, intptr_t i_src_stride, const x264_weight_t *weight, int height ) \
{ \
- pixel_avg_weight_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, width, height, i_weight1 ); \
-}
-
-PIXEL_AVG_WEIGHT_C(16,16)
-PIXEL_AVG_WEIGHT_C(16,8)
-PIXEL_AVG_WEIGHT_C(8,16)
-PIXEL_AVG_WEIGHT_C(8,8)
-PIXEL_AVG_WEIGHT_C(8,4)
-PIXEL_AVG_WEIGHT_C(4,8)
-PIXEL_AVG_WEIGHT_C(4,4)
-PIXEL_AVG_WEIGHT_C(4,2)
-PIXEL_AVG_WEIGHT_C(2,4)
-PIXEL_AVG_WEIGHT_C(2,2)
-#undef op_scale2
-#undef PIXEL_AVG_WEIGHT_C
+ mc_weight( dst, i_dst_stride, src, i_src_stride, weight, width, height );\
+}
-static void mc_copy( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height )
-{
- int y;
+MC_WEIGHT_C( mc_weight_w20, 20 )
+MC_WEIGHT_C( mc_weight_w16, 16 )
+MC_WEIGHT_C( mc_weight_w12, 12 )
+MC_WEIGHT_C( mc_weight_w8, 8 )
+MC_WEIGHT_C( mc_weight_w4, 4 )
+MC_WEIGHT_C( mc_weight_w2, 2 )
- for( y = 0; y < i_height; y++ )
+static weight_fn_t x264_mc_weight_wtab[6] =
+{
+ mc_weight_w2,
+ mc_weight_w4,
+ mc_weight_w8,
+ mc_weight_w12,
+ mc_weight_w16,
+ mc_weight_w20,
+};
+const x264_weight_t x264_weight_none[3] = { {{0}} };
+static void mc_copy( pixel *src, intptr_t i_src_stride, pixel *dst, intptr_t i_dst_stride, int i_width, int i_height )
+{
+ for( int y = 0; y < i_height; y++ )
{
- memcpy( dst, src, i_width );
+ memcpy( dst, src, i_width * sizeof(pixel) );
src += i_src_stride;
dst += i_dst_stride;
}
#define TAPFILTER(pix, d) ((pix)[x-2*d] + (pix)[x+3*d] - 5*((pix)[x-d] + (pix)[x+2*d]) + 20*((pix)[x] + (pix)[x+d]))
-static void hpel_filter( uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, uint8_t *src,
- int stride, int width, int height )
+static void hpel_filter( pixel *dsth, pixel *dstv, pixel *dstc, pixel *src,
+ intptr_t stride, int width, int height, int16_t *buf )
{
- int16_t *buf = x264_malloc((width+5)*sizeof(int16_t));
- int x, y;
- for( y=0; y<height; y++ )
+ const int pad = (BIT_DEPTH > 9) ? (-10 * PIXEL_MAX) : 0;
+ for( int y = 0; y < height; y++ )
{
- for( x=-2; x<width+3; x++ )
+ for( int x = -2; x < width+3; x++ )
{
int v = TAPFILTER(src,stride);
- dstv[x] = x264_clip_uint8((v + 16) >> 5);
- buf[x+2] = v;
+ dstv[x] = x264_clip_pixel( (v + 16) >> 5 );
+ /* transform v for storage in a 16-bit integer */
+ buf[x+2] = v + pad;
}
- for( x=0; x<width; x++ )
- dstc[x] = x264_clip_uint8((TAPFILTER(buf+2,1) + 512) >> 10);
- for( x=0; x<width; x++ )
- dsth[x] = x264_clip_uint8((TAPFILTER(src,1) + 16) >> 5);
+ for( int x = 0; x < width; x++ )
+ dstc[x] = x264_clip_pixel( (TAPFILTER(buf+2,1) - 32*pad + 512) >> 10 );
+ for( int x = 0; x < width; x++ )
+ dsth[x] = x264_clip_pixel( (TAPFILTER(src,1) + 16) >> 5 );
dsth += stride;
dstv += stride;
dstc += stride;
src += stride;
}
- x264_free(buf);
}
-static const int hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1};
-static const int hpel_ref1[16] = {0,0,0,0,2,2,3,2,2,2,3,2,2,2,3,2};
+const uint8_t x264_hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1};
+const uint8_t x264_hpel_ref1[16] = {0,0,1,0,2,2,3,2,2,2,3,2,2,2,3,2};
-static void mc_luma( uint8_t *dst, int i_dst_stride,
- uint8_t *src[4], int i_src_stride,
+static void mc_luma( pixel *dst, intptr_t i_dst_stride,
+ pixel *src[4], intptr_t i_src_stride,
int mvx, int mvy,
- int i_width, int i_height )
+ int i_width, int i_height, const x264_weight_t *weight )
{
int qpel_idx = ((mvy&3)<<2) + (mvx&3);
int offset = (mvy>>2)*i_src_stride + (mvx>>2);
- uint8_t *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;
+ pixel *src1 = src[x264_hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;
if( qpel_idx & 5 ) /* qpel interpolation needed */
{
- uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);
+ pixel *src2 = src[x264_hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);
pixel_avg( dst, i_dst_stride, src1, i_src_stride,
src2, i_src_stride, i_width, i_height );
+ if( weight->weightfn )
+ mc_weight( dst, i_dst_stride, dst, i_dst_stride, weight, i_width, i_height );
}
+ else if( weight->weightfn )
+ mc_weight( dst, i_dst_stride, src1, i_src_stride, weight, i_width, i_height );
else
- {
mc_copy( src1, i_src_stride, dst, i_dst_stride, i_width, i_height );
- }
}
-static uint8_t *get_ref( uint8_t *dst, int *i_dst_stride,
- uint8_t *src[4], int i_src_stride,
- int mvx, int mvy,
- int i_width, int i_height )
+static pixel *get_ref( pixel *dst, intptr_t *i_dst_stride,
+ pixel *src[4], intptr_t i_src_stride,
+ int mvx, int mvy,
+ int i_width, int i_height, const x264_weight_t *weight )
{
int qpel_idx = ((mvy&3)<<2) + (mvx&3);
int offset = (mvy>>2)*i_src_stride + (mvx>>2);
- uint8_t *src1 = src[hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;
+ pixel *src1 = src[x264_hpel_ref0[qpel_idx]] + offset + ((mvy&3) == 3) * i_src_stride;
if( qpel_idx & 5 ) /* qpel interpolation needed */
{
- uint8_t *src2 = src[hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);
+ pixel *src2 = src[x264_hpel_ref1[qpel_idx]] + offset + ((mvx&3) == 3);
pixel_avg( dst, *i_dst_stride, src1, i_src_stride,
src2, i_src_stride, i_width, i_height );
+ if( weight->weightfn )
+ mc_weight( dst, *i_dst_stride, dst, *i_dst_stride, weight, i_width, i_height );
+ return dst;
+ }
+ else if( weight->weightfn )
+ {
+ mc_weight( dst, *i_dst_stride, src1, i_src_stride, weight, i_width, i_height );
return dst;
}
else
}
/* full chroma mc (ie until 1/8 pixel)*/
-static void mc_chroma( uint8_t *dst, int i_dst_stride,
- uint8_t *src, int i_src_stride,
+static void mc_chroma( pixel *dstu, pixel *dstv, intptr_t i_dst_stride,
+ pixel *src, intptr_t i_src_stride,
int mvx, int mvy,
int i_width, int i_height )
{
- uint8_t *srcp;
- int x, y;
-
- const int d8x = mvx&0x07;
- const int d8y = mvy&0x07;
+ pixel *srcp;
- const int cA = (8-d8x)*(8-d8y);
- const int cB = d8x *(8-d8y);
- const int cC = (8-d8x)*d8y;
- const int cD = d8x *d8y;
+ int d8x = mvx&0x07;
+ int d8y = mvy&0x07;
+ int cA = (8-d8x)*(8-d8y);
+ int cB = d8x *(8-d8y);
+ int cC = (8-d8x)*d8y;
+ int cD = d8x *d8y;
- src += (mvy >> 3) * i_src_stride + (mvx >> 3);
+ src += (mvy >> 3) * i_src_stride + (mvx >> 3)*2;
srcp = &src[i_src_stride];
- for( y = 0; y < i_height; y++ )
+ for( int y = 0; y < i_height; y++ )
{
- for( x = 0; x < i_width; x++ )
+ for( int x = 0; x < i_width; x++ )
{
- dst[x] = ( cA*src[x] + cB*src[x+1] +
- cC*srcp[x] + cD*srcp[x+1] + 32 ) >> 6;
+ dstu[x] = ( cA*src[2*x] + cB*src[2*x+2] +
+ cC*srcp[2*x] + cD*srcp[2*x+2] + 32 ) >> 6;
+ dstv[x] = ( cA*src[2*x+1] + cB*src[2*x+3] +
+ cC*srcp[2*x+1] + cD*srcp[2*x+3] + 32 ) >> 6;
}
- dst += i_dst_stride;
-
+ dstu += i_dst_stride;
+ dstv += i_dst_stride;
src = srcp;
srcp += i_src_stride;
}
}
#define MC_COPY(W) \
-static void mc_copy_w##W( uint8_t *dst, int i_dst, uint8_t *src, int i_src, int i_height ) \
+static void mc_copy_w##W( pixel *dst, intptr_t i_dst, pixel *src, intptr_t i_src, int i_height ) \
{ \
mc_copy( src, i_src, dst, i_dst, W, i_height ); \
}
MC_COPY( 8 )
MC_COPY( 4 )
-static void plane_copy( uint8_t *dst, int i_dst,
- uint8_t *src, int i_src, int w, int h)
+void x264_plane_copy_c( pixel *dst, intptr_t i_dst,
+ pixel *src, intptr_t i_src, int w, int h )
{
while( h-- )
{
- memcpy( dst, src, w );
+ memcpy( dst, src, w * sizeof(pixel) );
dst += i_dst;
src += i_src;
}
}
-void prefetch_fenc_null( uint8_t *pix_y, int stride_y,
- uint8_t *pix_uv, int stride_uv, int mb_x )
+void x264_plane_copy_swap_c( pixel *dst, intptr_t i_dst,
+ pixel *src, intptr_t i_src, int w, int h )
+{
+ for( int y=0; y<h; y++, dst+=i_dst, src+=i_src )
+ for( int x=0; x<2*w; x+=2 )
+ {
+ dst[x] = src[x+1];
+ dst[x+1] = src[x];
+ }
+}
+
+void x264_plane_copy_interleave_c( pixel *dst, intptr_t i_dst,
+ pixel *srcu, intptr_t i_srcu,
+ pixel *srcv, intptr_t i_srcv, int w, int h )
+{
+ for( int y=0; y<h; y++, dst+=i_dst, srcu+=i_srcu, srcv+=i_srcv )
+ for( int x=0; x<w; x++ )
+ {
+ dst[2*x] = srcu[x];
+ dst[2*x+1] = srcv[x];
+ }
+}
+
+static void x264_plane_copy_deinterleave_c( pixel *dstu, intptr_t i_dstu,
+ pixel *dstv, intptr_t i_dstv,
+ pixel *src, intptr_t i_src, int w, int h )
+{
+ for( int y=0; y<h; y++, dstu+=i_dstu, dstv+=i_dstv, src+=i_src )
+ for( int x=0; x<w; x++ )
+ {
+ dstu[x] = src[2*x];
+ dstv[x] = src[2*x+1];
+ }
+}
+
+static void x264_plane_copy_deinterleave_rgb_c( 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 )
+{
+ for( int y=0; y<h; y++, dsta+=i_dsta, dstb+=i_dstb, dstc+=i_dstc, src+=i_src )
+ {
+ for( int x=0; x<w; x++ )
+ {
+ dsta[x] = src[x*pw];
+ dstb[x] = src[x*pw+1];
+ dstc[x] = src[x*pw+2];
+ }
+ }
+}
+
+void x264_plane_copy_deinterleave_v210_c( pixel *dsty, intptr_t i_dsty,
+ pixel *dstc, intptr_t i_dstc,
+ uint32_t *src, intptr_t i_src, int w, int h )
+{
+ for( int l = 0; l < h; l++ )
+ {
+ pixel *dsty0 = dsty;
+ pixel *dstc0 = dstc;
+ uint32_t *src0 = src;
+
+ for( int n = 0; n < w; n += 3 )
+ {
+ *(dstc0++) = *src0 & 0x03FF;
+ *(dsty0++) = ( *src0 >> 10 ) & 0x03FF;
+ *(dstc0++) = ( *src0 >> 20 ) & 0x03FF;
+ src0++;
+ *(dsty0++) = *src0 & 0x03FF;
+ *(dstc0++) = ( *src0 >> 10 ) & 0x03FF;
+ *(dsty0++) = ( *src0 >> 20 ) & 0x03FF;
+ src0++;
+ }
+
+ dsty += i_dsty;
+ dstc += i_dstc;
+ src += i_src;
+ }
+}
+
+static void store_interleave_chroma( pixel *dst, intptr_t i_dst, pixel *srcu, pixel *srcv, int height )
+{
+ for( int y=0; y<height; y++, dst+=i_dst, srcu+=FDEC_STRIDE, srcv+=FDEC_STRIDE )
+ for( int x=0; x<8; x++ )
+ {
+ dst[2*x] = srcu[x];
+ dst[2*x+1] = srcv[x];
+ }
+}
+
+static void load_deinterleave_chroma_fenc( pixel *dst, pixel *src, intptr_t i_src, int height )
+{
+ x264_plane_copy_deinterleave_c( dst, FENC_STRIDE, dst+FENC_STRIDE/2, FENC_STRIDE, src, i_src, 8, height );
+}
+
+static void load_deinterleave_chroma_fdec( pixel *dst, pixel *src, intptr_t i_src, int height )
+{
+ x264_plane_copy_deinterleave_c( dst, FDEC_STRIDE, dst+FDEC_STRIDE/2, FDEC_STRIDE, src, i_src, 8, height );
+}
+
+static void prefetch_fenc_null( pixel *pix_y, intptr_t stride_y,
+ pixel *pix_uv, intptr_t stride_uv, int mb_x )
{}
-void prefetch_ref_null( uint8_t *pix, int stride, int parity )
+static void prefetch_ref_null( pixel *pix, intptr_t stride, int parity )
{}
-void x264_mc_init( int cpu, x264_mc_functions_t *pf )
+static void memzero_aligned( void * dst, size_t n )
+{
+ memset( dst, 0, n );
+}
+
+static void integral_init4h( uint16_t *sum, pixel *pix, intptr_t stride )
+{
+ int v = pix[0]+pix[1]+pix[2]+pix[3];
+ for( int x = 0; x < stride-4; x++ )
+ {
+ sum[x] = v + sum[x-stride];
+ v += pix[x+4] - pix[x];
+ }
+}
+
+static void integral_init8h( uint16_t *sum, pixel *pix, intptr_t stride )
+{
+ int v = pix[0]+pix[1]+pix[2]+pix[3]+pix[4]+pix[5]+pix[6]+pix[7];
+ for( int x = 0; x < stride-8; x++ )
+ {
+ sum[x] = v + sum[x-stride];
+ v += pix[x+8] - pix[x];
+ }
+}
+
+static void integral_init4v( uint16_t *sum8, uint16_t *sum4, intptr_t stride )
+{
+ for( int x = 0; x < stride-8; x++ )
+ sum4[x] = sum8[x+4*stride] - sum8[x];
+ for( int x = 0; x < stride-8; x++ )
+ sum8[x] = sum8[x+8*stride] + sum8[x+8*stride+4] - sum8[x] - sum8[x+4];
+}
+
+static void integral_init8v( uint16_t *sum8, intptr_t stride )
+{
+ for( int x = 0; x < stride-8; x++ )
+ sum8[x] = sum8[x+8*stride] - sum8[x];
+}
+
+void x264_frame_init_lowres( x264_t *h, x264_frame_t *frame )
+{
+ pixel *src = frame->plane[0];
+ int i_stride = frame->i_stride[0];
+ int i_height = frame->i_lines[0];
+ int i_width = frame->i_width[0];
+
+ // duplicate last row and column so that their interpolation doesn't have to be special-cased
+ for( int y = 0; y < i_height; y++ )
+ src[i_width+y*i_stride] = src[i_width-1+y*i_stride];
+ memcpy( src+i_stride*i_height, src+i_stride*(i_height-1), (i_width+1) * sizeof(pixel) );
+ h->mc.frame_init_lowres_core( src, frame->lowres[0], frame->lowres[1], frame->lowres[2], frame->lowres[3],
+ i_stride, frame->i_stride_lowres, frame->i_width_lowres, frame->i_lines_lowres );
+ x264_frame_expand_border_lowres( frame );
+
+ memset( frame->i_cost_est, -1, sizeof(frame->i_cost_est) );
+
+ for( int y = 0; y < h->param.i_bframe + 2; y++ )
+ for( int x = 0; x < h->param.i_bframe + 2; x++ )
+ frame->i_row_satds[y][x][0] = -1;
+
+ for( int y = 0; y <= !!h->param.i_bframe; y++ )
+ for( int x = 0; x <= h->param.i_bframe; x++ )
+ frame->lowres_mvs[y][x][0][0] = 0x7FFF;
+}
+
+static 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 )
+{
+ for( int y = 0; y < height; y++ )
+ {
+ pixel *src1 = src0+src_stride;
+ pixel *src2 = src1+src_stride;
+ for( int x = 0; x<width; x++ )
+ {
+ // slower than naive bilinear, but matches asm
+#define FILTER(a,b,c,d) ((((a+b+1)>>1)+((c+d+1)>>1)+1)>>1)
+ dst0[x] = FILTER(src0[2*x ], src1[2*x ], src0[2*x+1], src1[2*x+1]);
+ dsth[x] = FILTER(src0[2*x+1], src1[2*x+1], src0[2*x+2], src1[2*x+2]);
+ dstv[x] = FILTER(src1[2*x ], src2[2*x ], src1[2*x+1], src2[2*x+1]);
+ dstc[x] = FILTER(src1[2*x+1], src2[2*x+1], src1[2*x+2], src2[2*x+2]);
+#undef FILTER
+ }
+ src0 += src_stride*2;
+ dst0 += dst_stride;
+ dsth += dst_stride;
+ dstv += dst_stride;
+ dstc += dst_stride;
+ }
+}
+
+/* Estimate the total amount of influence on future quality that could be had if we
+ * were to improve the reference samples used to inter predict any given macroblock. */
+static 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 )
+{
+ float fps = *fps_factor;
+ for( int i = 0; i < len; i++ )
+ {
+ int intra_cost = intra_costs[i];
+ int inter_cost = X264_MIN(intra_costs[i], inter_costs[i] & LOWRES_COST_MASK);
+ float propagate_intra = intra_cost * inv_qscales[i];
+ float propagate_amount = propagate_in[i] + propagate_intra*fps;
+ float propagate_num = intra_cost - inter_cost;
+ float propagate_denom = intra_cost;
+ dst[i] = X264_MIN((int)(propagate_amount * propagate_num / propagate_denom + 0.5f), 32767);
+ }
+}
+
+static 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 )
+{
+ 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; i++ )
+ {
+#define CLIP_ADD(s,x) (s) = X264_MIN((s)+(x),(1<<15)-1)
+ int lists_used = lowres_costs[i]>>LOWRES_COST_SHIFT;
+
+ if( !(lists_used & (1 << list)) )
+ continue;
+
+ int listamount = propagate_amount[i];
+ /* Apply bipred weighting. */
+ if( lists_used == 3 )
+ listamount = (listamount * bipred_weight + 32) >> 6;
+
+ /* Early termination for simple case of mv0. */
+ if( !M32( mvs[i] ) )
+ {
+ CLIP_ADD( ref_costs[mb_y*stride + i], listamount );
+ continue;
+ }
+
+ int x = mvs[i][0];
+ int y = mvs[i][1];
+ unsigned mbx = (x>>5)+i;
+ unsigned mby = (y>>5)+mb_y;
+ unsigned idx0 = mbx + mby * stride;
+ unsigned idx2 = idx0 + stride;
+ x &= 31;
+ y &= 31;
+ int idx0weight = (32-y)*(32-x);
+ int idx1weight = (32-y)*x;
+ int idx2weight = y*(32-x);
+ int idx3weight = y*x;
+ idx0weight = (idx0weight * listamount + 512) >> 10;
+ idx1weight = (idx1weight * listamount + 512) >> 10;
+ idx2weight = (idx2weight * listamount + 512) >> 10;
+ idx3weight = (idx3weight * listamount + 512) >> 10;
+
+ if( mbx < width-1 && mby < height-1 )
+ {
+ CLIP_ADD( ref_costs[idx0+0], idx0weight );
+ CLIP_ADD( ref_costs[idx0+1], idx1weight );
+ CLIP_ADD( ref_costs[idx2+0], idx2weight );
+ CLIP_ADD( ref_costs[idx2+1], idx3weight );
+ }
+ else
+ {
+ /* Note: this takes advantage of unsigned representation to
+ * catch negative mbx/mby. */
+ if( mby < height )
+ {
+ if( mbx < width )
+ CLIP_ADD( ref_costs[idx0+0], idx0weight );
+ if( mbx+1 < width )
+ CLIP_ADD( ref_costs[idx0+1], idx1weight );
+ }
+ if( mby+1 < height )
+ {
+ if( mbx < width )
+ CLIP_ADD( ref_costs[idx2+0], idx2weight );
+ if( mbx+1 < width )
+ CLIP_ADD( ref_costs[idx2+1], idx3weight );
+ }
+ }
+ }
+#undef CLIP_ADD
+}
+
+void x264_mc_init( int cpu, x264_mc_functions_t *pf, int cpu_independent )
{
pf->mc_luma = mc_luma;
pf->get_ref = get_ref;
+
pf->mc_chroma = mc_chroma;
pf->avg[PIXEL_16x16]= pixel_avg_16x16;
pf->avg[PIXEL_8x16] = pixel_avg_8x16;
pf->avg[PIXEL_8x8] = pixel_avg_8x8;
pf->avg[PIXEL_8x4] = pixel_avg_8x4;
+ pf->avg[PIXEL_4x16] = pixel_avg_4x16;
pf->avg[PIXEL_4x8] = pixel_avg_4x8;
pf->avg[PIXEL_4x4] = pixel_avg_4x4;
pf->avg[PIXEL_4x2] = pixel_avg_4x2;
+ pf->avg[PIXEL_2x8] = pixel_avg_2x8;
pf->avg[PIXEL_2x4] = pixel_avg_2x4;
pf->avg[PIXEL_2x2] = pixel_avg_2x2;
-
- pf->avg_weight[PIXEL_16x16]= pixel_avg_weight_16x16;
- pf->avg_weight[PIXEL_16x8] = pixel_avg_weight_16x8;
- pf->avg_weight[PIXEL_8x16] = pixel_avg_weight_8x16;
- pf->avg_weight[PIXEL_8x8] = pixel_avg_weight_8x8;
- pf->avg_weight[PIXEL_8x4] = pixel_avg_weight_8x4;
- pf->avg_weight[PIXEL_4x8] = pixel_avg_weight_4x8;
- pf->avg_weight[PIXEL_4x4] = pixel_avg_weight_4x4;
- pf->avg_weight[PIXEL_4x2] = pixel_avg_weight_4x2;
- pf->avg_weight[PIXEL_2x4] = pixel_avg_weight_2x4;
- pf->avg_weight[PIXEL_2x2] = pixel_avg_weight_2x2;
+ pf->weight = x264_mc_weight_wtab;
+ pf->offsetadd = x264_mc_weight_wtab;
+ pf->offsetsub = x264_mc_weight_wtab;
+ pf->weight_cache = x264_weight_cache;
+
+ pf->copy_16x16_unaligned = mc_copy_w16;
pf->copy[PIXEL_16x16] = mc_copy_w16;
pf->copy[PIXEL_8x8] = mc_copy_w8;
pf->copy[PIXEL_4x4] = mc_copy_w4;
- pf->plane_copy = plane_copy;
+ pf->store_interleave_chroma = store_interleave_chroma;
+ pf->load_deinterleave_chroma_fenc = load_deinterleave_chroma_fenc;
+ pf->load_deinterleave_chroma_fdec = load_deinterleave_chroma_fdec;
+
+ pf->plane_copy = x264_plane_copy_c;
+ pf->plane_copy_swap = x264_plane_copy_swap_c;
+ pf->plane_copy_interleave = x264_plane_copy_interleave_c;
+ pf->plane_copy_deinterleave = x264_plane_copy_deinterleave_c;
+ pf->plane_copy_deinterleave_rgb = x264_plane_copy_deinterleave_rgb_c;
+ pf->plane_copy_deinterleave_v210 = x264_plane_copy_deinterleave_v210_c;
+
pf->hpel_filter = hpel_filter;
- pf->prefetch_fenc = prefetch_fenc_null;
+ pf->prefetch_fenc_420 = prefetch_fenc_null;
+ pf->prefetch_fenc_422 = prefetch_fenc_null;
pf->prefetch_ref = prefetch_ref_null;
pf->memcpy_aligned = memcpy;
+ pf->memzero_aligned = memzero_aligned;
+ pf->frame_init_lowres_core = frame_init_lowres_core;
-#ifdef HAVE_MMX
+ pf->integral_init4h = integral_init4h;
+ pf->integral_init8h = integral_init8h;
+ pf->integral_init4v = integral_init4v;
+ pf->integral_init8v = integral_init8v;
+
+ pf->mbtree_propagate_cost = mbtree_propagate_cost;
+ pf->mbtree_propagate_list = mbtree_propagate_list;
+
+#if HAVE_MMX
x264_mc_init_mmx( cpu, pf );
#endif
-#ifdef ARCH_PPC
+#if HAVE_ALTIVEC
if( cpu&X264_CPU_ALTIVEC )
x264_mc_altivec_init( pf );
#endif
+#if HAVE_ARMV6
+ x264_mc_init_arm( cpu, pf );
+#endif
+#if ARCH_AARCH64
+ x264_mc_init_aarch64( cpu, pf );
+#endif
+#if HAVE_MSA
+ if( cpu&X264_CPU_MSA )
+ x264_mc_init_mips( cpu, pf );
+#endif
+
+ if( cpu_independent )
+ {
+ pf->mbtree_propagate_cost = mbtree_propagate_cost;
+ pf->mbtree_propagate_list = mbtree_propagate_list;
+ }
}
void x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end )
{
- const int b_interlaced = h->sh.b_mbaff;
- const int stride = frame->i_stride[0] << b_interlaced;
- const int width = frame->i_width[0];
- int start = (mb_y*16 >> b_interlaced) - 8; // buffer = 4 for deblock + 3 for 6tap, rounded to 8
- int height = ((b_end ? frame->i_lines[0] : mb_y*16) >> b_interlaced) + 8;
- int offs = start*stride - 8; // buffer = 3 for 6tap, aligned to 8 for simd
- int x, y;
+ const int b_interlaced = PARAM_INTERLACED;
+ int start = mb_y*16 - 8; // buffer = 4 for deblock + 3 for 6tap, rounded to 8
+ int height = (b_end ? frame->i_lines[0] + 16*PARAM_INTERLACED : (mb_y+b_interlaced)*16) + 8;
if( mb_y & b_interlaced )
return;
- for( y=0; y<=b_interlaced; y++, offs+=frame->i_stride[0] )
+ for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
{
- h->mc.hpel_filter(
- frame->filtered[1] + offs,
- frame->filtered[2] + offs,
- frame->filtered[3] + offs,
- frame->plane[0] + offs,
- stride, width + 16, height - start );
+ int stride = frame->i_stride[p];
+ const int width = frame->i_width[p];
+ int offs = start*stride - 8; // buffer = 3 for 6tap, aligned to 8 for simd
+
+ if( !b_interlaced || h->mb.b_adaptive_mbaff )
+ h->mc.hpel_filter(
+ frame->filtered[p][1] + offs,
+ frame->filtered[p][2] + offs,
+ frame->filtered[p][3] + offs,
+ frame->plane[p] + offs,
+ stride, width + 16, height - start,
+ h->scratch_buffer );
+
+ if( b_interlaced )
+ {
+ /* MC must happen between pixels in the same field. */
+ stride = frame->i_stride[p] << 1;
+ start = (mb_y*16 >> 1) - 8;
+ int height_fld = ((b_end ? frame->i_lines[p] : mb_y*16) >> 1) + 8;
+ offs = start*stride - 8;
+ for( int i = 0; i < 2; i++, offs += frame->i_stride[p] )
+ {
+ h->mc.hpel_filter(
+ frame->filtered_fld[p][1] + offs,
+ frame->filtered_fld[p][2] + offs,
+ frame->filtered_fld[p][3] + offs,
+ frame->plane_fld[p] + offs,
+ stride, width + 16, height_fld - start,
+ h->scratch_buffer );
+ }
+ }
}
/* generate integral image:
if( frame->integral )
{
+ int stride = frame->i_stride[0];
if( start < 0 )
{
memset( frame->integral - PADV * stride - PADH, 0, stride * sizeof(uint16_t) );
start = -PADV;
}
if( b_end )
- height += PADV-8;
- for( y = start; y < height; y++ )
+ height += PADV-9;
+ for( int y = start; y < height; y++ )
{
- uint8_t *ref = frame->plane[0] + y * stride - PADH;
- uint16_t *line = frame->integral + (y+1) * stride - PADH + 1;
- uint16_t v = line[0] = 0;
- for( x = 1; x < stride-1; x++ )
- line[x] = v += ref[x] + line[x-stride] - line[x-stride-1];
- line -= 8*stride;
- if( y >= 9-PADV )
+ pixel *pix = frame->plane[0] + y * stride - PADH;
+ uint16_t *sum8 = frame->integral + (y+1) * stride - PADH;
+ uint16_t *sum4;
+ if( h->frames.b_have_sub8x8_esa )
{
- uint16_t *sum4 = line + stride * (frame->i_lines[0] + PADV*2);
- for( x = 1; x < stride-8; x++, line++, sum4++ )
- {
- sum4[0] = line[4+4*stride] - line[4] - line[4*stride] + line[0];
- line[0] += line[8+8*stride] - line[8] - line[8*stride];
- }
+ h->mc.integral_init4h( sum8, pix, stride );
+ sum8 -= 8*stride;
+ sum4 = sum8 + stride * (frame->i_lines[0] + PADV*2);
+ if( y >= 8-PADV )
+ h->mc.integral_init4v( sum8, sum4, stride );
+ }
+ else
+ {
+ h->mc.integral_init8h( sum8, pix, stride );
+ if( y >= 8-PADV )
+ h->mc.integral_init8v( sum8-8*stride, stride );
}
}
}
}
-
-void x264_frame_init_lowres( x264_t *h, x264_frame_t *frame )
-{
- // FIXME: tapfilter?
- const int i_stride = frame->i_stride[0];
- const int i_stride2 = frame->i_stride_lowres;
- const int i_width2 = frame->i_width_lowres;
- int x, y, i;
- for( y = 0; y < frame->i_lines_lowres - 1; y++ )
- {
- uint8_t *src0 = &frame->plane[0][2*y*i_stride];
- uint8_t *src1 = src0+i_stride;
- uint8_t *src2 = src1+i_stride;
- uint8_t *dst0 = &frame->lowres[0][y*i_stride2];
- uint8_t *dsth = &frame->lowres[1][y*i_stride2];
- uint8_t *dstv = &frame->lowres[2][y*i_stride2];
- uint8_t *dstc = &frame->lowres[3][y*i_stride2];
- for( x = 0; x < i_width2 - 1; x++ )
- {
- dst0[x] = (src0[2*x ] + src0[2*x+1] + src1[2*x ] + src1[2*x+1] + 2) >> 2;
- dsth[x] = (src0[2*x+1] + src0[2*x+2] + src1[2*x+1] + src1[2*x+2] + 2) >> 2;
- dstv[x] = (src1[2*x ] + src1[2*x+1] + src2[2*x ] + src2[2*x+1] + 2) >> 2;
- dstc[x] = (src1[2*x+1] + src1[2*x+2] + src2[2*x+1] + src2[2*x+2] + 2) >> 2;
- }
- dst0[x] = (src0[2*x ] + src0[2*x+1] + src1[2*x ] + src1[2*x+1] + 2) >> 2;
- dstv[x] = (src1[2*x ] + src1[2*x+1] + src2[2*x ] + src2[2*x+1] + 2) >> 2;
- dsth[x] = (src0[2*x+1] + src1[2*x+1] + 1) >> 1;
- dstc[x] = (src1[2*x+1] + src2[2*x+1] + 1) >> 1;
- }
- for( i = 0; i < 4; i++ )
- memcpy( &frame->lowres[i][y*i_stride2], &frame->lowres[i][(y-1)*i_stride2], i_width2 );
-
- for( y = 0; y < 16; y++ )
- for( x = 0; x < 16; x++ )
- frame->i_cost_est[x][y] = -1;
-
- x264_frame_expand_border_lowres( frame );
-}
-
projects / x264 / blobdiff