#ifdef ARCH_PPC
#include "ppc/mc.h"
#endif
+#ifdef ARCH_ARM
+#include "arm/mc.h"
+#endif
static inline void pixel_avg( uint8_t *dst, int i_dst_stride,
uint8_t *src2, int 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 *src1, int i_src1, uint8_t *src2, int 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++ )
- {
+ for( int x = 0; x < width; x++ )
dst[x] = ( src1[x] + src2[x] + 1 ) >> 1;
- }
src1 += i_src1;
src2 += i_src2;
dst += i_dst;
#define op_scale2(x) dst[x] = x264_clip_uint8( (src1[x]*i_weight1 + src2[x]*i_weight2 + (1<<5)) >> 6 )
static inline void pixel_avg_weight_wxh( uint8_t *dst, int i_dst, uint8_t *src1, int i_src1, uint8_t *src2, int i_src2, 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, src1 += i_src1, src2 += i_src2 )
+ for( int y = 0; y<height; y++, dst += i_dst, src1 += i_src1, src2 += i_src2 )
{
op_scale2(0);
op_scale2(1);
uint8_t *pix2, int i_stride_pix2, \
uint8_t *pix3, int i_stride_pix3, int weight ) \
{ \
- if( weight == 32 )\
+ if( weight == 32 ) \
pixel_avg_wxh( pix1, i_stride_pix1, pix2, i_stride_pix2, pix3, i_stride_pix3, width, height ); \
- else\
+ 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_2x4, 2, 4 )
PIXEL_AVG_C( pixel_avg_2x2, 2, 2 )
-static void mc_copy( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height )
+static void x264_weight_cache( x264_t *h, x264_weight_t *w )
{
- int y;
+ w->weightfn = h->mc.weight;
+}
+#define opscale(x) dst[x] = x264_clip_uint8( ((src[x] * weight->i_scale + (1<<(weight->i_denom - 1))) >> weight->i_denom) + weight->i_offset )
+#define opscale_noden(x) dst[x] = x264_clip_uint8( src[x] * weight->i_scale + weight->i_offset )
+static inline void mc_weight( uint8_t *dst, int i_dst_stride, uint8_t *src, int i_src_stride, const x264_weight_t *weight, int i_width, int i_height )
+{
+ if( weight->i_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 MC_WEIGHT_C( name, lx ) \
+ static void name( uint8_t *dst, int i_dst_stride, uint8_t *src, int i_src_stride, const x264_weight_t *weight, int height ) \
+{ \
+ if( weight->i_denom >= 1 ) \
+ { \
+ for( int y = 0; y < height; y++, dst += i_dst_stride, src += i_src_stride ) \
+ for( int x = 0; x < lx; x++ ) \
+ opscale( x ); \
+ } \
+ else \
+ { \
+ for( int y = 0; y < height; y++, dst += i_dst_stride, src += i_src_stride ) \
+ for( int x = 0; x < lx; x++ ) \
+ opscale_noden( x ); \
+ } \
+}
- for( y = 0; y < i_height; 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 )
+
+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 weight_none[3] = { {{0}} };
+static void mc_copy( uint8_t *src, int i_src_stride, uint8_t *dst, int i_dst_stride, int i_width, int i_height )
+{
+ for( int y = 0; y < i_height; y++ )
{
memcpy( dst, src, i_width );
#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 )
+ int 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++ )
+ 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);
+ dstv[x] = x264_clip_uint8( (v + 16) >> 5 );
buf[x+2] = v;
}
- 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_uint8( (TAPFILTER(buf+2,1) + 512) >> 10 );
+ for( int x = 0; x < width; x++ )
+ dsth[x] = x264_clip_uint8( (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};
+static const uint8_t hpel_ref0[16] = {0,1,1,1,0,1,1,1,2,3,3,3,0,1,1,1};
+static const uint8_t hpel_ref1[16] = {0,0,0,0,2,2,3,2,2,2,3,2,2,2,3,2};
static void mc_luma( uint8_t *dst, int i_dst_stride,
uint8_t *src[4], int i_src_stride,
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 *src2 = src[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 )
+ 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 *src2 = src[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
int i_width, int i_height )
{
uint8_t *srcp;
- int x, y;
-
- const int d8x = mvx&0x07;
- const int d8y = mvy&0x07;
- 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);
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++ )
- {
- dst[x] = ( cA*src[x] + cB*src[x+1] +
- cC*srcp[x] + cD*srcp[x+1] + 32 ) >> 6;
- }
+ 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;
dst += i_dst_stride;
-
src = srcp;
srcp += i_src_stride;
}
MC_COPY( 8 )
MC_COPY( 4 )
-static void plane_copy( uint8_t *dst, int i_dst,
+void x264_plane_copy_c( uint8_t *dst, int i_dst,
uint8_t *src, int i_src, int w, int h)
{
while( h-- )
static void integral_init4h( uint16_t *sum, uint8_t *pix, int stride )
{
- int x, v = pix[0]+pix[1]+pix[2]+pix[3];
- for( x=0; x<stride-4; x++ )
+ 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, uint8_t *pix, int stride )
{
- int x, v = pix[0]+pix[1]+pix[2]+pix[3]+pix[4]+pix[5]+pix[6]+pix[7];
- for( x=0; x<stride-8; x++ )
+ 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, int stride )
{
- int x;
- for( x=0; x<stride-8; x++ )
+ for( int x = 0; x < stride-8; x++ )
sum4[x] = sum8[x+4*stride] - sum8[x];
- for( x=0; x<stride-8; 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, int stride )
{
- int x;
- for( x=0; x<stride-8; x++ )
+ for( int x = 0; x < stride-8; x++ )
sum8[x] = sum8[x+8*stride] - sum8[x];
}
int i_stride = frame->i_stride[0];
int i_height = frame->i_lines[0];
int i_width = frame->i_width[0];
- int x, y;
// duplicate last row and column so that their interpolation doesn't have to be special-cased
- for( y=0; y<i_height; y++ )
+ for( int y = 0; y < i_height; y++ )
src[i_width+y*i_stride] = src[i_width-1+y*i_stride];
- h->mc.memcpy_aligned( src+i_stride*i_height, src+i_stride*(i_height-1), i_width );
+ memcpy( src+i_stride*i_height, src+i_stride*(i_height-1), i_width+1 );
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( x = 0; x < h->param.i_bframe + 2; x++ )
- for( y = 0; y < h->param.i_bframe + 2; y++ )
+ 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( y = 0; y <= !!h->param.i_bframe; y++ )
- for( x = 0; x <= h->param.i_bframe; x++ )
+ 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( 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 )
{
- int x,y;
- for( y=0; y<height; y++ )
+ for( int y = 0; y < height; y++ )
{
uint8_t *src1 = src0+src_stride;
uint8_t *src2 = src1+src_stride;
- for( x=0; x<width; x++ )
+ 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)
}
}
+#if defined(__GNUC__) && (defined(ARCH_X86) || defined(ARCH_X86_64))
+// gcc isn't smart enough to use the "idiv" instruction
+static ALWAYS_INLINE int32_t div_64_32(int64_t x, int32_t y)
+{
+ int32_t quotient, remainder;
+ asm("idiv %4"
+ :"=a"(quotient), "=d"(remainder)
+ :"a"((uint32_t)x), "d"((int32_t)(x>>32)), "r"(y)
+ );
+ return quotient;
+}
+#else
+#define div_64_32(x,y) ((x)/(y))
+#endif
+
+/* 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( int *dst, uint16_t *propagate_in, uint16_t *intra_costs,
+ uint16_t *inter_costs, uint16_t *inv_qscales, int len )
+{
+ for( int i = 0; i < len; i++ )
+ {
+ int propagate_amount = propagate_in[i] + ((intra_costs[i] * inv_qscales[i] + 128)>>8);
+ dst[i] = div_64_32((int64_t)propagate_amount * (intra_costs[i] - (inter_costs[i] & LOWRES_COST_MASK)), intra_costs[i]);
+ }
+}
+
void x264_mc_init( int cpu, x264_mc_functions_t *pf )
{
pf->mc_luma = mc_luma;
pf->avg[PIXEL_2x4] = pixel_avg_2x4;
pf->avg[PIXEL_2x2] = pixel_avg_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->plane_copy = x264_plane_copy_c;
pf->hpel_filter = hpel_filter;
pf->prefetch_fenc = prefetch_fenc_null;
pf->integral_init4v = integral_init4v;
pf->integral_init8v = integral_init8v;
+ pf->mbtree_propagate_cost = mbtree_propagate_cost;
+
#ifdef HAVE_MMX
x264_mc_init_mmx( cpu, pf );
#endif
-#ifdef ARCH_PPC
+#ifdef HAVE_ALTIVEC
if( cpu&X264_CPU_ALTIVEC )
x264_mc_altivec_init( pf );
#endif
+#ifdef HAVE_ARMV6
+ x264_mc_init_arm( cpu, pf );
+#endif
}
void x264_frame_filter( x264_t *h, x264_frame_t *frame, int mb_y, int b_end )
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 y;
if( mb_y & b_interlaced )
return;
- for( y=0; y<=b_interlaced; y++, offs+=frame->i_stride[0] )
+ for( int y = 0; y <= b_interlaced; y++, offs += frame->i_stride[0] )
{
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 );
+ stride, width + 16, height - start,
+ h->scratch_buffer );
}
/* generate integral image:
}
if( b_end )
height += PADV-9;
- for( y = start; y < height; y++ )
+ for( int y = start; y < height; y++ )
{
uint8_t *pix = frame->plane[0] + y * stride - PADH;
uint16_t *sum8 = frame->integral + (y+1) * stride - PADH;