/*****************************************************************************
- * predict.c: h264 encoder
+ * predict.c: intra prediction
*****************************************************************************
- * Copyright (C) 2003-2008 x264 project
+ * Copyright (C) 2003-2015 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
* Fiona Glaser <fiona@x264.com>
+ * Henrik Gramner <henrik@gramner.com>
*
* 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.
*****************************************************************************/
/* predict4x4 are inspired from ffmpeg h264 decoder */
#if ARCH_ARM
# include "arm/predict.h"
#endif
+#if ARCH_AARCH64
+# include "aarch64/predict.h"
+#endif
+#if ARCH_MIPS
+# include "mips/predict.h"
+#endif
/****************************************************************************
* 16x16 prediction for intra luma block
src += FDEC_STRIDE;
}
}
-static void x264_predict_16x16_p_c( pixel *src )
+void x264_predict_16x16_p_c( pixel *src )
{
int H = 0, V = 0;
/****************************************************************************
- * 8x8 prediction for intra chroma block
+ * 8x8 prediction for intra chroma block (4:2:0)
****************************************************************************/
static void x264_predict_8x8c_dc_128_c( pixel *src )
src += FDEC_STRIDE;
}
}
-static void x264_predict_8x8c_p_c( pixel *src )
+void x264_predict_8x8c_p_c( pixel *src )
{
int H = 0, V = 0;
}
}
+/****************************************************************************
+ * 8x16 prediction for intra chroma block (4:2:2)
+ ****************************************************************************/
+
+static void x264_predict_8x16c_dc_128_c( pixel *src )
+{
+ for( int y = 0; y < 16; y++ )
+ {
+ MPIXEL_X4( src+0 ) = PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) );
+ MPIXEL_X4( src+4 ) = PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) );
+ src += FDEC_STRIDE;
+ }
+}
+static void x264_predict_8x16c_dc_left_c( pixel *src )
+{
+ for( int i = 0; i < 4; i++ )
+ {
+ int dc = 0;
+
+ for( int y = 0; y < 4; y++ )
+ dc += src[y*FDEC_STRIDE - 1];
+
+ pixel4 dcsplat = PIXEL_SPLAT_X4( (dc + 2) >> 2 );
+
+ for( int y = 0; y < 4; y++ )
+ {
+ MPIXEL_X4( src+0 ) = dcsplat;
+ MPIXEL_X4( src+4 ) = dcsplat;
+ src += FDEC_STRIDE;
+ }
+ }
+}
+static void x264_predict_8x16c_dc_top_c( pixel *src )
+{
+ int dc0 = 0, dc1 = 0;
+
+ for(int x = 0; x < 4; x++ )
+ {
+ dc0 += src[x - FDEC_STRIDE];
+ dc1 += src[x + 4 - FDEC_STRIDE];
+ }
+ pixel4 dc0splat = PIXEL_SPLAT_X4( ( dc0 + 2 ) >> 2 );
+ pixel4 dc1splat = PIXEL_SPLAT_X4( ( dc1 + 2 ) >> 2 );
+
+ for( int y = 0; y < 16; y++ )
+ {
+ MPIXEL_X4( src+0 ) = dc0splat;
+ MPIXEL_X4( src+4 ) = dc1splat;
+ src += FDEC_STRIDE;
+ }
+}
+void x264_predict_8x16c_dc_c( pixel *src )
+{
+ int s0 = 0, s1 = 0, s2 = 0, s3 = 0, s4 = 0, s5 = 0;
+
+ /*
+ s0 s1
+ s2
+ s3
+ s4
+ s5
+ */
+ for( int i = 0; i < 4; i++ )
+ {
+ s0 += src[i+0 - FDEC_STRIDE];
+ s1 += src[i+4 - FDEC_STRIDE];
+ s2 += src[-1 + (i+0) * FDEC_STRIDE];
+ s3 += src[-1 + (i+4) * FDEC_STRIDE];
+ s4 += src[-1 + (i+8) * FDEC_STRIDE];
+ s5 += src[-1 + (i+12) * FDEC_STRIDE];
+ }
+ /*
+ dc0 dc1
+ dc2 dc3
+ dc4 dc5
+ dc6 dc7
+ */
+ pixel4 dc0 = PIXEL_SPLAT_X4( ( s0 + s2 + 4 ) >> 3 );
+ pixel4 dc1 = PIXEL_SPLAT_X4( ( s1 + 2 ) >> 2 );
+ pixel4 dc2 = PIXEL_SPLAT_X4( ( s3 + 2 ) >> 2 );
+ pixel4 dc3 = PIXEL_SPLAT_X4( ( s1 + s3 + 4 ) >> 3 );
+ pixel4 dc4 = PIXEL_SPLAT_X4( ( s4 + 2 ) >> 2 );
+ pixel4 dc5 = PIXEL_SPLAT_X4( ( s1 + s4 + 4 ) >> 3 );
+ pixel4 dc6 = PIXEL_SPLAT_X4( ( s5 + 2 ) >> 2 );
+ pixel4 dc7 = PIXEL_SPLAT_X4( ( s1 + s5 + 4 ) >> 3 );
+
+ for( int y = 0; y < 4; y++ )
+ {
+ MPIXEL_X4( src+0 ) = dc0;
+ MPIXEL_X4( src+4 ) = dc1;
+ src += FDEC_STRIDE;
+ }
+ for( int y = 0; y < 4; y++ )
+ {
+ MPIXEL_X4( src+0 ) = dc2;
+ MPIXEL_X4( src+4 ) = dc3;
+ src += FDEC_STRIDE;
+ }
+ for( int y = 0; y < 4; y++ )
+ {
+ MPIXEL_X4( src+0 ) = dc4;
+ MPIXEL_X4( src+4 ) = dc5;
+ src += FDEC_STRIDE;
+ }
+ for( int y = 0; y < 4; y++ )
+ {
+ MPIXEL_X4( src+0 ) = dc6;
+ MPIXEL_X4( src+4 ) = dc7;
+ src += FDEC_STRIDE;
+ }
+}
+void x264_predict_8x16c_h_c( pixel *src )
+{
+ for( int i = 0; i < 16; i++ )
+ {
+ pixel4 v = PIXEL_SPLAT_X4( src[-1] );
+ MPIXEL_X4( src+0 ) = v;
+ MPIXEL_X4( src+4 ) = v;
+ src += FDEC_STRIDE;
+ }
+}
+void x264_predict_8x16c_v_c( pixel *src )
+{
+ pixel4 v0 = MPIXEL_X4( src+0-FDEC_STRIDE );
+ pixel4 v1 = MPIXEL_X4( src+4-FDEC_STRIDE );
+
+ for( int i = 0; i < 16; i++ )
+ {
+ MPIXEL_X4( src+0 ) = v0;
+ MPIXEL_X4( src+4 ) = v1;
+ src += FDEC_STRIDE;
+ }
+}
+void x264_predict_8x16c_p_c( pixel *src )
+{
+ int H = 0;
+ int V = 0;
+
+ for( int i = 0; i < 4; i++ )
+ H += ( i + 1 ) * ( src[4 + i - FDEC_STRIDE] - src[2 - i - FDEC_STRIDE] );
+ for( int i = 0; i < 8; i++ )
+ V += ( i + 1 ) * ( src[-1 + (i+8)*FDEC_STRIDE] - src[-1 + (6-i)*FDEC_STRIDE] );
+
+ int a = 16 * ( src[-1 + 15*FDEC_STRIDE] + src[7 - FDEC_STRIDE] );
+ int b = ( 17 * H + 16 ) >> 5;
+ int c = ( 5 * V + 32 ) >> 6;
+ int i00 = a -3*b -7*c + 16;
+
+ for( int y = 0; y < 16; y++ )
+ {
+ int pix = i00;
+ for( int x = 0; x < 8; x++ )
+ {
+ src[x] = x264_clip_pixel( pix>>5 );
+ pix += b;
+ }
+ src += FDEC_STRIDE;
+ i00 += c;
+ }
+}
+
/****************************************************************************
* 4x4 prediction for intra luma block
****************************************************************************/
#define PT(x) \
edge[16+x] = F2(SRC(x-1,-1), SRC(x,-1), SRC(x+1,-1));
-static void x264_predict_8x8_filter_c( pixel *src, pixel edge[33], int i_neighbor, int i_filters )
+static void x264_predict_8x8_filter_c( pixel *src, pixel edge[36], int i_neighbor, int i_filters )
{
/* edge[7..14] = l7..l0
* edge[15] = lt
edge[14] = ((have_lt ? SRC(-1,-1) : SRC(-1,0))
+ 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2;
PL(1) PL(2) PL(3) PL(4) PL(5) PL(6)
+ edge[6] =
edge[7] = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2;
}
src += FDEC_STRIDE; \
}
-static void x264_predict_8x8_dc_128_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_dc_128_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_DC( PIXEL_SPLAT_X4( 1 << (BIT_DEPTH-1) ) );
}
-static void x264_predict_8x8_dc_left_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_dc_left_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_LEFT
pixel4 dc = PIXEL_SPLAT_X4( (l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3 );
PREDICT_8x8_DC( dc );
}
-static void x264_predict_8x8_dc_top_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_dc_top_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_TOP
pixel4 dc = PIXEL_SPLAT_X4( (t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3 );
PREDICT_8x8_DC( dc );
}
-void x264_predict_8x8_dc_c( pixel *src, pixel edge[33] )
+void x264_predict_8x8_dc_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_LEFT
PREDICT_8x8_LOAD_TOP
pixel4 dc = PIXEL_SPLAT_X4( (l0+l1+l2+l3+l4+l5+l6+l7+t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4 );
PREDICT_8x8_DC( dc );
}
-void x264_predict_8x8_h_c( pixel *src, pixel edge[33] )
+void x264_predict_8x8_h_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_LEFT
#define ROW(y) MPIXEL_X4( src+y*FDEC_STRIDE+0 ) =\
ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
#undef ROW
}
-void x264_predict_8x8_v_c( pixel *src, pixel edge[33] )
+void x264_predict_8x8_v_c( pixel *src, pixel edge[36] )
{
pixel4 top[2] = { MPIXEL_X4( edge+16 ),
MPIXEL_X4( edge+20 ) };
MPIXEL_X4( src+y*FDEC_STRIDE+4 ) = top[1];
}
}
-static void x264_predict_8x8_ddl_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_ddl_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_TOP
PREDICT_8x8_LOAD_TOPRIGHT
SRC(6,7)=SRC(7,6)= F2(t13,t14,t15);
SRC(7,7)= F2(t14,t15,t15);
}
-static void x264_predict_8x8_ddr_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_ddr_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_TOP
PREDICT_8x8_LOAD_LEFT
SRC(7,0)= F2(t5,t6,t7);
}
-static void x264_predict_8x8_vr_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_vr_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_TOP
PREDICT_8x8_LOAD_LEFT
SRC(7,1)= F2(t5,t6,t7);
SRC(7,0)= F1(t6,t7);
}
-static void x264_predict_8x8_hd_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_hd_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_TOP
PREDICT_8x8_LOAD_LEFT
SRC_X4(4,1)= pack_pixel_2to4(p9,p10);
SRC_X4(4,0)= pack_pixel_2to4(p10,p11);
}
-static void x264_predict_8x8_vl_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_vl_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_TOP
PREDICT_8x8_LOAD_TOPRIGHT
SRC(7,6)= F1(t10,t11);
SRC(7,7)= F2(t10,t11,t12);
}
-static void x264_predict_8x8_hu_c( pixel *src, pixel edge[33] )
+static void x264_predict_8x8_hu_c( pixel *src, pixel edge[36] )
{
PREDICT_8x8_LOAD_LEFT
int p1 = pack_pixel_1to2(F1(l0,l1), F2(l0,l1,l2));
#if HAVE_ARMV6
x264_predict_16x16_init_arm( cpu, pf );
#endif
+
+#if ARCH_AARCH64
+ x264_predict_16x16_init_aarch64( cpu, pf );
+#endif
+
+#if !HIGH_BIT_DEPTH
+#if HAVE_MSA
+ if( cpu&X264_CPU_MSA )
+ {
+ pf[I_PRED_16x16_V ] = x264_intra_predict_vert_16x16_msa;
+ pf[I_PRED_16x16_H ] = x264_intra_predict_hor_16x16_msa;
+ pf[I_PRED_16x16_DC] = x264_intra_predict_dc_16x16_msa;
+ pf[I_PRED_16x16_P ] = x264_intra_predict_plane_16x16_msa;
+ pf[I_PRED_16x16_DC_LEFT]= x264_intra_predict_dc_left_16x16_msa;
+ pf[I_PRED_16x16_DC_TOP ]= x264_intra_predict_dc_top_16x16_msa;
+ pf[I_PRED_16x16_DC_128 ]= x264_intra_predict_dc_128_16x16_msa;
+ }
+#endif
+#endif
}
void x264_predict_8x8c_init( int cpu, x264_predict_t pf[7] )
#if HAVE_ARMV6
x264_predict_8x8c_init_arm( cpu, pf );
#endif
+
+#if ARCH_AARCH64
+ x264_predict_8x8c_init_aarch64( cpu, pf );
+#endif
+
+#if !HIGH_BIT_DEPTH
+#if HAVE_MSA
+ if( cpu&X264_CPU_MSA )
+ {
+ pf[I_PRED_CHROMA_P ] = x264_intra_predict_plane_8x8_msa;
+ }
+#endif
+#endif
+}
+
+void x264_predict_8x16c_init( int cpu, x264_predict_t pf[7] )
+{
+ pf[I_PRED_CHROMA_V ] = x264_predict_8x16c_v_c;
+ pf[I_PRED_CHROMA_H ] = x264_predict_8x16c_h_c;
+ pf[I_PRED_CHROMA_DC] = x264_predict_8x16c_dc_c;
+ pf[I_PRED_CHROMA_P ] = x264_predict_8x16c_p_c;
+ pf[I_PRED_CHROMA_DC_LEFT]= x264_predict_8x16c_dc_left_c;
+ pf[I_PRED_CHROMA_DC_TOP ]= x264_predict_8x16c_dc_top_c;
+ pf[I_PRED_CHROMA_DC_128 ]= x264_predict_8x16c_dc_128_c;
+
+#if HAVE_MMX
+ x264_predict_8x16c_init_mmx( cpu, pf );
+#endif
+
+#if ARCH_AARCH64
+ x264_predict_8x16c_init_aarch64( cpu, pf );
+#endif
}
void x264_predict_8x8_init( int cpu, x264_predict8x8_t pf[12], x264_predict_8x8_filter_t *predict_filter )
#if HAVE_ARMV6
x264_predict_8x8_init_arm( cpu, pf, predict_filter );
#endif
+
+#if ARCH_AARCH64
+ x264_predict_8x8_init_aarch64( cpu, pf, predict_filter );
+#endif
+
+#if !HIGH_BIT_DEPTH
+#if HAVE_MSA
+ if( cpu&X264_CPU_MSA )
+ {
+ pf[I_PRED_8x8_DDL] = x264_intra_predict_ddl_8x8_msa;
+ }
+#endif
+#endif
}
void x264_predict_4x4_init( int cpu, x264_predict_t pf[12] )
#if HAVE_ARMV6
x264_predict_4x4_init_arm( cpu, pf );
#endif
+
+#if ARCH_AARCH64
+ x264_predict_4x4_init_aarch64( cpu, pf );
+#endif
}
projects / x264 / blobdiff