/*****************************************************************************
* macroblock.h: h264 encoder library
*****************************************************************************
- * Copyright (C) 2003 Laurent Aimar
- * $Id: macroblock.h,v 1.1 2004/06/03 19:27:07 fenrir Exp $
+ * Copyright (C) 2005-2008 x264 project
*
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Authors: Loren Merritt <lorenm@u.washington.edu>
+ * Laurent Aimar <fenrir@via.ecp.fr>
+ * Fiona Glaser <fiona@x264.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*****************************************************************************/
-#ifndef _MACROBLOCK_H
-#define _MACROBLOCK_H 1
+#ifndef X264_MACROBLOCK_H
+#define X264_MACROBLOCK_H
enum macroblock_position_e
{
MB_TOPLEFT = 0x08,
MB_PRIVATE = 0x10,
+
+ ALL_NEIGHBORS = 0xf,
+};
+
+static const uint8_t x264_pred_i4x4_neighbors[12] =
+{
+ MB_TOP, // I_PRED_4x4_V
+ MB_LEFT, // I_PRED_4x4_H
+ MB_LEFT | MB_TOP, // I_PRED_4x4_DC
+ MB_TOP | MB_TOPRIGHT, // I_PRED_4x4_DDL
+ MB_LEFT | MB_TOPLEFT | MB_TOP, // I_PRED_4x4_DDR
+ MB_LEFT | MB_TOPLEFT | MB_TOP, // I_PRED_4x4_VR
+ MB_LEFT | MB_TOPLEFT | MB_TOP, // I_PRED_4x4_HD
+ MB_TOP | MB_TOPRIGHT, // I_PRED_4x4_VL
+ MB_LEFT, // I_PRED_4x4_HU
+ MB_LEFT, // I_PRED_4x4_DC_LEFT
+ MB_TOP, // I_PRED_4x4_DC_TOP
+ 0 // I_PRED_4x4_DC_128
};
/* XXX mb_type isn't the one written in the bitstream -> only internal usage */
-#define IS_INTRA(type) ( (type) == I_4x4 || (type) == I_8x8 || (type) == I_16x16 )
+#define IS_INTRA(type) ( (type) == I_4x4 || (type) == I_8x8 || (type) == I_16x16 || (type) == I_PCM )
#define IS_SKIP(type) ( (type) == P_SKIP || (type) == B_SKIP )
#define IS_DIRECT(type) ( (type) == B_DIRECT )
enum mb_class_e
B_BI_BI = 16,
B_8x8 = 17,
B_SKIP = 18,
+
+ X264_MBTYPE_MAX = 19
};
-static const int x264_mb_type_fix[19] =
+static const uint8_t x264_mb_type_fix[X264_MBTYPE_MAX] =
{
I_4x4, I_4x4, I_16x16, I_PCM,
P_L0, P_8x8, P_SKIP,
B_DIRECT, B_L0_L0, B_L0_L1, B_L0_BI, B_L1_L0, B_L1_L1,
B_L1_BI, B_BI_L0, B_BI_L1, B_BI_BI, B_8x8, B_SKIP
};
-static const int x264_mb_type_list0_table[19][2] =
-{
- {0,0}, {0,0}, {0,0}, {0,0}, /* INTRA */
- {1,1}, /* P_L0 */
- {0,0}, /* P_8x8 */
- {1,1}, /* P_SKIP */
- {0,0}, /* B_DIRECT */
- {1,1}, {1,0}, {1,1}, /* B_L0_* */
- {0,1}, {0,0}, {0,1}, /* B_L1_* */
- {1,1}, {1,0}, {1,1}, /* B_BI_* */
- {0,0}, /* B_8x8 */
- {0,0} /* B_SKIP */
-};
-static const int x264_mb_type_list1_table[19][2] =
+static const uint8_t x264_mb_type_list_table[X264_MBTYPE_MAX][2][2] =
{
- {0,0}, {0,0}, {0,0}, {0,0}, /* INTRA */
- {0,0}, /* P_L0 */
- {0,0}, /* P_8x8 */
- {0,0}, /* P_SKIP */
- {0,0}, /* B_DIRECT */
- {0,0}, {0,1}, {0,1}, /* B_L0_* */
- {1,0}, {1,1}, {1,1}, /* B_L1_* */
- {1,0}, {1,1}, {1,1}, /* B_BI_* */
- {0,0}, /* B_8x8 */
- {0,0} /* B_SKIP */
+ {{0,0},{0,0}}, {{0,0},{0,0}}, {{0,0},{0,0}}, {{0,0},{0,0}}, /* INTRA */
+ {{1,1},{0,0}}, /* P_L0 */
+ {{0,0},{0,0}}, /* P_8x8 */
+ {{1,1},{0,0}}, /* P_SKIP */
+ {{0,0},{0,0}}, /* B_DIRECT */
+ {{1,1},{0,0}}, {{1,0},{0,1}}, {{1,1},{0,1}}, /* B_L0_* */
+ {{0,1},{1,0}}, {{0,0},{1,1}}, {{0,1},{1,1}}, /* B_L1_* */
+ {{1,1},{1,0}}, {{1,0},{1,1}}, {{1,1},{1,1}}, /* B_BI_* */
+ {{0,0},{0,0}}, /* B_8x8 */
+ {{0,0},{0,0}} /* B_SKIP */
};
#define IS_SUB4x4(type) ( (type ==D_L0_4x4)||(type ==D_L1_4x4)||(type ==D_BI_4x4))
enum mb_partition_e
{
/* sub partition type for P_8x8 and B_8x8 */
- D_L0_4x4 = 0,
- D_L0_8x4 = 1,
- D_L0_4x8 = 2,
- D_L0_8x8 = 3,
+ D_L0_4x4 = 0,
+ D_L0_8x4 = 1,
+ D_L0_4x8 = 2,
+ D_L0_8x8 = 3,
/* sub partition type for B_8x8 only */
- D_L1_4x4 = 4,
- D_L1_8x4 = 5,
- D_L1_4x8 = 6,
- D_L1_8x8 = 7,
+ D_L1_4x4 = 4,
+ D_L1_8x4 = 5,
+ D_L1_4x8 = 6,
+ D_L1_8x8 = 7,
- D_BI_4x4 = 8,
- D_BI_8x4 = 9,
- D_BI_4x8 = 10,
- D_BI_8x8 = 11,
- D_DIRECT_8x8 = 12,
+ D_BI_4x4 = 8,
+ D_BI_8x4 = 9,
+ D_BI_4x8 = 10,
+ D_BI_8x8 = 11,
+ D_DIRECT_8x8 = 12,
/* partition */
- D_8x8 = 13,
- D_16x8 = 14,
- D_8x16 = 15,
- D_16x16 = 16,
+ D_8x8 = 13,
+ D_16x8 = 14,
+ D_8x16 = 15,
+ D_16x16 = 16,
+ X264_PARTTYPE_MAX = 17,
};
-static const int x264_mb_partition_listX_table[2][17] =
+static const uint8_t x264_mb_partition_listX_table[2][17] =
{{
1, 1, 1, 1, /* D_L0_* */
0, 0, 0, 0, /* D_L1_* */
0, /* D_DIRECT_8x8 */
0, 0, 0, 0 /* 8x8 .. 16x16 */
}};
-static const int x264_mb_partition_count_table[17] =
+static const uint8_t x264_mb_partition_count_table[17] =
{
/* sub L0 */
4, 2, 2, 1,
/* Partition */
4, 2, 2, 1
};
-static const int x264_mb_partition_pixel_table[17] =
+static const uint8_t x264_mb_partition_pixel_table[17] =
{
6, 4, 5, 3, 6, 4, 5, 3, 6, 4, 5, 3, 3, 3, 1, 2, 0
};
-static const int x264_zigzag_scan4[16] =
-{
- 0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15
-};
-static const int x264_zigzag_scan8[64] =
+/* zigzags are transposed with respect to the tables in the standard */
+static const uint8_t x264_zigzag_scan4[2][16] =
+{{ // frame
+ 0, 4, 1, 2, 5, 8, 12, 9, 6, 3, 7, 10, 13, 14, 11, 15
+},
+{ // field
+ 0, 1, 4, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+}};
+static const uint8_t x264_zigzag_scan8[2][64] =
+{{
+ 0, 8, 1, 2, 9, 16, 24, 17, 10, 3, 4, 11, 18, 25, 32, 40,
+ 33, 26, 19, 12, 5, 6, 13, 20, 27, 34, 41, 48, 56, 49, 42, 35,
+ 28, 21, 14, 7, 15, 22, 29, 36, 43, 50, 57, 58, 51, 44, 37, 30,
+ 23, 31, 38, 45, 52, 59, 60, 53, 46, 39, 47, 54, 61, 62, 55, 63
+},
{
- 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5,
- 12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6, 7, 14, 21, 28,
- 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51,
- 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63
-};
+ 0, 1, 2, 8, 9, 3, 4, 10, 16, 11, 5, 6, 7, 12, 17, 24,
+ 18, 13, 14, 15, 19, 25, 32, 26, 20, 21, 22, 23, 27, 33, 40, 34,
+ 28, 29, 30, 31, 35, 41, 48, 42, 36, 37, 38, 39, 43, 49, 50, 44,
+ 45, 46, 47, 51, 56, 57, 52, 53, 54, 55, 58, 59, 60, 61, 62, 63
+}};
static const uint8_t block_idx_x[16] =
{
{ 4, 6, 12, 14 },
{ 5, 7, 13, 15 }
};
+static const uint8_t block_idx_xy_1d[16] =
+{
+ 0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15
+};
+static const uint8_t block_idx_yx_1d[16] =
+{
+ 0, 4, 1, 5, 8, 12, 9, 13, 2, 6, 3, 7, 10, 14, 11, 15
+};
+static const uint8_t block_idx_xy_fenc[16] =
+{
+ 0*4 + 0*4*FENC_STRIDE, 1*4 + 0*4*FENC_STRIDE,
+ 0*4 + 1*4*FENC_STRIDE, 1*4 + 1*4*FENC_STRIDE,
+ 2*4 + 0*4*FENC_STRIDE, 3*4 + 0*4*FENC_STRIDE,
+ 2*4 + 1*4*FENC_STRIDE, 3*4 + 1*4*FENC_STRIDE,
+ 0*4 + 2*4*FENC_STRIDE, 1*4 + 2*4*FENC_STRIDE,
+ 0*4 + 3*4*FENC_STRIDE, 1*4 + 3*4*FENC_STRIDE,
+ 2*4 + 2*4*FENC_STRIDE, 3*4 + 2*4*FENC_STRIDE,
+ 2*4 + 3*4*FENC_STRIDE, 3*4 + 3*4*FENC_STRIDE
+};
+static const uint16_t block_idx_xy_fdec[16] =
+{
+ 0*4 + 0*4*FDEC_STRIDE, 1*4 + 0*4*FDEC_STRIDE,
+ 0*4 + 1*4*FDEC_STRIDE, 1*4 + 1*4*FDEC_STRIDE,
+ 2*4 + 0*4*FDEC_STRIDE, 3*4 + 0*4*FDEC_STRIDE,
+ 2*4 + 1*4*FDEC_STRIDE, 3*4 + 1*4*FDEC_STRIDE,
+ 0*4 + 2*4*FDEC_STRIDE, 1*4 + 2*4*FDEC_STRIDE,
+ 0*4 + 3*4*FDEC_STRIDE, 1*4 + 3*4*FDEC_STRIDE,
+ 2*4 + 2*4*FDEC_STRIDE, 3*4 + 2*4*FDEC_STRIDE,
+ 2*4 + 3*4*FDEC_STRIDE, 3*4 + 3*4*FDEC_STRIDE
+};
-static const int i_chroma_qp_table[52] =
+static const uint8_t i_chroma_qp_table[52+12*2] =
{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
29, 30, 31, 32, 32, 33, 34, 34, 35, 35,
36, 36, 37, 37, 37, 38, 38, 38, 39, 39,
- 39, 39
+ 39, 39,
+ 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39,
};
enum cabac_ctx_block_cat_e
};
-void x264_macroblock_cache_init( x264_t *h );
+int x264_macroblock_cache_init( x264_t *h );
void x264_macroblock_slice_init( x264_t *h );
+void x264_macroblock_thread_init( x264_t *h );
void x264_macroblock_cache_load( x264_t *h, int i_mb_x, int i_mb_y );
void x264_macroblock_cache_save( x264_t *h );
void x264_macroblock_cache_end( x264_t *h );
void x264_macroblock_bipred_init( x264_t *h );
+void x264_prefetch_fenc( x264_t *h, x264_frame_t *fenc, int i_mb_x, int i_mb_y );
+
/* x264_mb_predict_mv_16x16:
* set mvp with predicted mv for D_16x16 block
* h->mb. need only valid values from other blocks */
-void x264_mb_predict_mv_16x16( x264_t *h, int i_list, int i_ref, int mvp[2] );
+void x264_mb_predict_mv_16x16( x264_t *h, int i_list, int i_ref, int16_t mvp[2] );
/* x264_mb_predict_mv_pskip:
* set mvp with predicted mv for P_SKIP
* h->mb. need only valid values from other blocks */
-void x264_mb_predict_mv_pskip( x264_t *h, int mv[2] );
+void x264_mb_predict_mv_pskip( x264_t *h, int16_t mv[2] );
/* x264_mb_predict_mv:
* set mvp with predicted mv for all blocks except SKIP and DIRECT
* h->mb. need valid ref/partition/sub of current block to be valid
* and valid mv/ref from other blocks. */
-void x264_mb_predict_mv( x264_t *h, int i_list, int idx, int i_width, int mvp[2] );
+void x264_mb_predict_mv( x264_t *h, int i_list, int idx, int i_width, int16_t mvp[2] );
/* x264_mb_predict_mv_direct16x16:
* set h->mb.cache.mv and h->mb.cache.ref for B_SKIP or B_DIRECT
* h->mb. need only valid values from other blocks.
* if b_changed != NULL, set it to whether refs or mvs differ from
* before this functioncall. */
int x264_mb_predict_mv_direct16x16( x264_t *h, int *b_changed );
-/* x264_mb_load_mv_direct8x8:
- * set h->mb.cache.mv and h->mb.cache.ref for B_DIRECT
- * must be called only after x264_mb_predict_mv_direct16x16 */
-void x264_mb_load_mv_direct8x8( x264_t *h, int idx );
/* x264_mb_predict_mv_ref16x16:
* set mvc with D_16x16 prediction.
* uses all neighbors, even those that didn't end up using this ref.
* h->mb. need only valid values from other blocks */
-void x264_mb_predict_mv_ref16x16( x264_t *h, int i_list, int i_ref, int mvc[8][2], int *i_mvc );
-
-
-int x264_mb_predict_intra4x4_mode( x264_t *h, int idx );
-int x264_mb_predict_non_zero_code( x264_t *h, int idx );
-
-/* x264_mb_transform_8x8_allowed:
- * check whether any partition is smaller than 8x8 (or at least
- * might be, according to just partition type.)
- * doesn't check for intra or cbp */
-int x264_mb_transform_8x8_allowed( x264_t *h );
-
-void x264_mb_encode_i4x4( x264_t *h, int idx, int i_qscale );
-void x264_mb_encode_i8x8( x264_t *h, int idx, int i_qscale );
+void x264_mb_predict_mv_ref16x16( x264_t *h, int i_list, int i_ref, int16_t mvc[8][2], int *i_mvc );
void x264_mb_mc( x264_t *h );
+void x264_mb_mc_8x8( x264_t *h, int i8 );
-
-static inline void x264_macroblock_cache_ref( x264_t *h, int x, int y, int width, int height, int i_list, int ref )
+static ALWAYS_INLINE uint32_t pack16to32( int a, int b )
{
- int dy, dx;
- for( dy = 0; dy < height; dy++ )
- {
- for( dx = 0; dx < width; dx++ )
- {
- h->mb.cache.ref[i_list][X264_SCAN8_0+x+dx+8*(y+dy)] = ref;
- }
- }
+#ifdef WORDS_BIGENDIAN
+ return b + (a<<16);
+#else
+ return a + (b<<16);
+#endif
}
-static inline void x264_macroblock_cache_mv( x264_t *h, int x, int y, int width, int height, int i_list, int mvx, int mvy )
+static ALWAYS_INLINE uint32_t pack8to16( int a, int b )
{
- int dy, dx;
- for( dy = 0; dy < height; dy++ )
- {
- for( dx = 0; dx < width; dx++ )
- {
- h->mb.cache.mv[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][0] = mvx;
- h->mb.cache.mv[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][1] = mvy;
- }
- }
+#ifdef WORDS_BIGENDIAN
+ return b + (a<<8);
+#else
+ return a + (b<<8);
+#endif
}
-static inline void x264_macroblock_cache_mvd( x264_t *h, int x, int y, int width, int height, int i_list, int mdx, int mdy )
+static ALWAYS_INLINE uint32_t pack8to32( int a, int b, int c, int d )
{
- int dy, dx;
- for( dy = 0; dy < height; dy++ )
- {
- for( dx = 0; dx < width; dx++ )
- {
- h->mb.cache.mvd[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][0] = mdx;
- h->mb.cache.mvd[i_list][X264_SCAN8_0+x+dx+8*(y+dy)][1] = mdy;
- }
- }
+#ifdef WORDS_BIGENDIAN
+ return d + (c<<8) + (b<<16) + (a<<24);
+#else
+ return a + (b<<8) + (c<<16) + (d<<24);
+#endif
+}
+static ALWAYS_INLINE uint32_t pack16to32_mask( int a, int b )
+{
+#ifdef WORDS_BIGENDIAN
+ return (b&0xFFFF) + (a<<16);
+#else
+ return (a&0xFFFF) + (b<<16);
+#endif
}
-static inline void x264_macroblock_cache_skip( x264_t *h, int x, int y, int width, int height, int b_skip )
+
+#define array_non_zero(a) array_non_zero_int(a, sizeof(a))
+#define array_non_zero_int array_non_zero_int
+static ALWAYS_INLINE int array_non_zero_int( int16_t *v, int i_count )
{
- int dy, dx;
- for( dy = 0; dy < height; dy++ )
+ if(i_count == 8)
+ return !!M64( &v[0] );
+ else if(i_count == 16)
+ return !!(M64( &v[0] ) | M64( &v[4] ));
+ else if(i_count == 32)
+ return !!(M64( &v[0] ) | M64( &v[4] ) | M64( &v[8] ) | M64( &v[12] ));
+ else
{
- for( dx = 0; dx < width; dx++ )
- {
- h->mb.cache.skip[X264_SCAN8_0+x+dx+8*(y+dy)] = b_skip;
- }
+ for( int i = 0; i < i_count; i+=4 )
+ if( M64( &v[i] ) ) return 1;
+ return 0;
}
}
-static inline void x264_macroblock_cache_intra8x8_pred( x264_t *h, int x, int y, int i_mode )
+static ALWAYS_INLINE int x264_mb_predict_intra4x4_mode( x264_t *h, int idx )
+{
+ const int ma = h->mb.cache.intra4x4_pred_mode[x264_scan8[idx] - 1];
+ const int mb = h->mb.cache.intra4x4_pred_mode[x264_scan8[idx] - 8];
+ const int m = X264_MIN( x264_mb_pred_mode4x4_fix(ma),
+ x264_mb_pred_mode4x4_fix(mb) );
+
+ if( m < 0 )
+ return I_PRED_4x4_DC;
+
+ return m;
+}
+static ALWAYS_INLINE int x264_mb_predict_non_zero_code( x264_t *h, int idx )
+{
+ const int za = h->mb.cache.non_zero_count[x264_scan8[idx] - 1];
+ const int zb = h->mb.cache.non_zero_count[x264_scan8[idx] - 8];
+
+ int i_ret = za + zb;
+
+ if( i_ret < 0x80 )
+ i_ret = ( i_ret + 1 ) >> 1;
+ return i_ret & 0x7f;
+}
+/* x264_mb_transform_8x8_allowed:
+ * check whether any partition is smaller than 8x8 (or at least
+ * might be, according to just partition type.)
+ * doesn't check for cbp */
+static ALWAYS_INLINE int x264_mb_transform_8x8_allowed( x264_t *h )
{
- int *cache = &h->mb.cache.intra4x4_pred_mode[X264_SCAN8_0+x+8*y];
- cache[0] = cache[1] = cache[8] = cache[9] = i_mode;
+ // intra and skip are disallowed
+ // large partitions are allowed
+ // direct and 8x8 are conditional
+ static const uint8_t partition_tab[X264_MBTYPE_MAX] = {
+ 0,0,0,0,1,2,0,1,1,1,1,1,1,1,1,1,1,1,0,
+ };
+
+ if( !h->pps->b_transform_8x8_mode )
+ return 0;
+ if( h->mb.i_type != P_8x8 )
+ return partition_tab[h->mb.i_type];
+ return M32( h->mb.i_sub_partition ) == D_L0_8x8*0x01010101;
}
#endif