/*****************************************************************************
* cabac.c: cabac bitstream writing
*****************************************************************************
- * Copyright (C) 2003-2011 x264 project
+ * Copyright (C) 2003-2015 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
}
}
-static void x264_cabac_mb_type( x264_t *h, x264_cabac_t *cb )
+#if !RDO_SKIP_BS
+static void x264_cabac_field_decoding_flag( x264_t *h, x264_cabac_t *cb )
{
- const int i_mb_type = h->mb.i_type;
-
- if( h->sh.b_mbaff &&
- (!(h->mb.i_mb_y & 1) || IS_SKIP(h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride])) )
- {
- x264_cabac_encode_decision_noup( cb, 70 + h->mb.cache.i_neighbour_interlaced, h->mb.b_interlaced );
- }
-
- if( h->sh.i_type == SLICE_TYPE_I )
- {
- int ctx = 0;
- if( (h->mb.i_neighbour & MB_LEFT) && h->mb.i_mb_type_left[0] != I_4x4 )
- ctx++;
- if( (h->mb.i_neighbour & MB_TOP) && h->mb.i_mb_type_top != I_4x4 )
- ctx++;
-
- x264_cabac_mb_type_intra( h, cb, i_mb_type, 3+ctx, 3+3, 3+4, 3+5, 3+6, 3+7 );
- }
- else if( h->sh.i_type == SLICE_TYPE_P )
- {
- /* prefix: 14, suffix: 17 */
- if( i_mb_type == P_L0 )
- {
- x264_cabac_encode_decision_noup( cb, 14, 0 );
- x264_cabac_encode_decision_noup( cb, 15, h->mb.i_partition != D_16x16 );
- x264_cabac_encode_decision_noup( cb, 17-(h->mb.i_partition == D_16x16), h->mb.i_partition == D_16x8 );
- }
- else if( i_mb_type == P_8x8 )
- {
- x264_cabac_encode_decision_noup( cb, 14, 0 );
- x264_cabac_encode_decision_noup( cb, 15, 0 );
- x264_cabac_encode_decision_noup( cb, 16, 1 );
- }
- else /* intra */
- {
- /* prefix */
- x264_cabac_encode_decision_noup( cb, 14, 1 );
-
- /* suffix */
- x264_cabac_mb_type_intra( h, cb, i_mb_type, 17+0, 17+1, 17+2, 17+2, 17+3, 17+3 );
- }
- }
- else //if( h->sh.i_type == SLICE_TYPE_B )
- {
- int ctx = 0;
- if( (h->mb.i_neighbour & MB_LEFT) && h->mb.i_mb_type_left[0] != B_SKIP && h->mb.i_mb_type_left[0] != B_DIRECT )
- ctx++;
- if( (h->mb.i_neighbour & MB_TOP) && h->mb.i_mb_type_top != B_SKIP && h->mb.i_mb_type_top != B_DIRECT )
- ctx++;
-
- if( i_mb_type == B_DIRECT )
- {
- x264_cabac_encode_decision_noup( cb, 27+ctx, 0 );
- return;
- }
- x264_cabac_encode_decision_noup( cb, 27+ctx, 1 );
+ int ctx = 0;
+ ctx += h->mb.field_decoding_flag & !!h->mb.i_mb_x;
+ ctx += (h->mb.i_mb_top_mbpair_xy >= 0
+ && h->mb.slice_table[h->mb.i_mb_top_mbpair_xy] == h->sh.i_first_mb
+ && h->mb.field[h->mb.i_mb_top_mbpair_xy]);
- if( i_mb_type == B_8x8 )
- {
- x264_cabac_encode_decision_noup( cb, 27+3, 1 );
- x264_cabac_encode_decision_noup( cb, 27+4, 1 );
- x264_cabac_encode_decision( cb, 27+5, 1 );
- x264_cabac_encode_decision( cb, 27+5, 1 );
- x264_cabac_encode_decision_noup( cb, 27+5, 1 );
- }
- else if( IS_INTRA( i_mb_type ) )
- {
- /* prefix */
- x264_cabac_encode_decision_noup( cb, 27+3, 1 );
- x264_cabac_encode_decision_noup( cb, 27+4, 1 );
- x264_cabac_encode_decision( cb, 27+5, 1 );
- x264_cabac_encode_decision( cb, 27+5, 0 );
- x264_cabac_encode_decision( cb, 27+5, 1 );
-
- /* suffix */
- x264_cabac_mb_type_intra( h, cb, i_mb_type, 32+0, 32+1, 32+2, 32+2, 32+3, 32+3 );
- }
- else
- {
- static const uint8_t i_mb_bits[9*3] =
- {
- 0x31, 0x29, 0x4, /* L0 L0 */
- 0x35, 0x2d, 0, /* L0 L1 */
- 0x43, 0x63, 0, /* L0 BI */
- 0x3d, 0x2f, 0, /* L1 L0 */
- 0x39, 0x25, 0x6, /* L1 L1 */
- 0x53, 0x73, 0, /* L1 BI */
- 0x4b, 0x6b, 0, /* BI L0 */
- 0x5b, 0x7b, 0, /* BI L1 */
- 0x47, 0x67, 0x21 /* BI BI */
- };
-
- const int idx = (i_mb_type - B_L0_L0) * 3 + (h->mb.i_partition - D_16x8);
- int bits = i_mb_bits[idx];
-
- x264_cabac_encode_decision_noup( cb, 27+3, bits&1 );
- x264_cabac_encode_decision( cb, 27+5-(bits&1), (bits>>1)&1 ); bits >>= 2;
- if( bits != 1 )
- {
- x264_cabac_encode_decision( cb, 27+5, bits&1 ); bits >>= 1;
- x264_cabac_encode_decision( cb, 27+5, bits&1 ); bits >>= 1;
- x264_cabac_encode_decision( cb, 27+5, bits&1 ); bits >>= 1;
- if( bits != 1 )
- x264_cabac_encode_decision_noup( cb, 27+5, bits&1 );
- }
- }
- }
+ x264_cabac_encode_decision_noup( cb, 70 + ctx, MB_INTERLACED );
+ h->mb.field_decoding_flag = MB_INTERLACED;
}
+#endif
-static void x264_cabac_mb_intra4x4_pred_mode( x264_cabac_t *cb, int i_pred, int i_mode )
+static void x264_cabac_intra4x4_pred_mode( x264_cabac_t *cb, int i_pred, int i_mode )
{
if( i_pred == i_mode )
x264_cabac_encode_decision( cb, 68, 1 );
}
}
-static void x264_cabac_mb_intra_chroma_pred_mode( x264_t *h, x264_cabac_t *cb )
+static void x264_cabac_intra_chroma_pred_mode( x264_t *h, x264_cabac_t *cb )
{
- const int i_mode = x264_mb_pred_mode8x8c_fix[h->mb.i_chroma_pred_mode];
- int ctx = 0;
+ int i_mode = x264_mb_chroma_pred_mode_fix[h->mb.i_chroma_pred_mode];
+ int ctx = 0;
/* No need to test for I4x4 or I_16x16 as cache_save handle that */
if( (h->mb.i_neighbour & MB_LEFT) && h->mb.chroma_pred_mode[h->mb.i_mb_left_xy[0]] != 0 )
}
}
-static void x264_cabac_mb_cbp_luma( x264_t *h, x264_cabac_t *cb )
+static void x264_cabac_cbp_luma( x264_t *h, x264_cabac_t *cb )
{
int cbp = h->mb.i_cbp_luma;
int cbp_l = h->mb.cache.i_cbp_left;
x264_cabac_encode_decision_noup( cb, 76 - ((cbp >> 2) & 1) - ((cbp >> 0) & 2), (cbp >> 3) & 1 );
}
-static void x264_cabac_mb_cbp_chroma( x264_t *h, x264_cabac_t *cb )
+static void x264_cabac_cbp_chroma( x264_t *h, x264_cabac_t *cb )
{
int cbp_a = h->mb.cache.i_cbp_left & 0x30;
int cbp_b = h->mb.cache.i_cbp_top & 0x30;
}
}
-static void x264_cabac_mb_qp_delta( x264_t *h, x264_cabac_t *cb )
+static void x264_cabac_qp_delta( x264_t *h, x264_cabac_t *cb )
{
int i_dqp = h->mb.i_qp - h->mb.i_last_qp;
int ctx;
- /* Avoid writing a delta quant if we have an empty i16x16 block, e.g. in a completely flat background area */
- if( h->mb.i_type == I_16x16 && !h->mb.cbp[h->mb.i_mb_xy] )
+ /* Avoid writing a delta quant if we have an empty i16x16 block, e.g. in a completely
+ * flat background area. Don't do this if it would raise the quantizer, since that could
+ * cause unexpected deblocking artifacts. */
+ if( h->mb.i_type == I_16x16 && !h->mb.cbp[h->mb.i_mb_xy] && h->mb.i_qp > h->mb.i_last_qp )
{
#if !RDO_SKIP_BS
h->mb.i_qp = h->mb.i_last_qp;
i_dqp = 0;
}
- /* Since, per the above, empty-CBP I16x16 blocks never have delta quants,
- * we don't have to check for them. */
- ctx = h->mb.i_last_dqp && h->mb.cbp[h->mb.i_mb_prev_xy];
+ ctx = h->mb.i_last_dqp && (h->mb.type[h->mb.i_mb_prev_xy] == I_16x16 || (h->mb.cbp[h->mb.i_mb_prev_xy]&0x3f));
if( i_dqp != 0 )
{
- int val = i_dqp <= 0 ? (-2*i_dqp) : (2*i_dqp - 1);
+ /* Faster than (i_dqp <= 0 ? (-2*i_dqp) : (2*i_dqp-1)).
+ * If you so much as sneeze on these lines, gcc will compile this suboptimally. */
+ i_dqp *= 2;
+ int val = 1 - i_dqp;
+ if( val < 0 ) val = i_dqp;
+ val--;
/* dqp is interpreted modulo (QP_MAX_SPEC+1) */
if( val >= QP_MAX_SPEC && val != QP_MAX_SPEC+1 )
val = 2*QP_MAX_SPEC+1 - val;
#if !RDO_SKIP_BS
void x264_cabac_mb_skip( x264_t *h, int b_skip )
{
- int ctx = ((h->mb.i_neighbour & MB_LEFT) && !IS_SKIP( h->mb.i_mb_type_left[0] ))
- + ((h->mb.i_neighbour & MB_TOP) && !IS_SKIP( h->mb.i_mb_type_top ))
- + (h->sh.i_type == SLICE_TYPE_P ? 11 : 24);
+ int ctx = h->mb.cache.i_neighbour_skip + 11;
+ if( h->sh.i_type != SLICE_TYPE_P )
+ ctx += 13;
x264_cabac_encode_decision( &h->cabac, ctx, b_skip );
}
#endif
-static inline void x264_cabac_mb_sub_p_partition( x264_cabac_t *cb, int i_sub )
+static inline void x264_cabac_subpartition_p( x264_cabac_t *cb, int i_sub )
{
if( i_sub == D_L0_8x8 )
{
}
}
-static ALWAYS_INLINE void x264_cabac_mb_sub_b_partition( x264_cabac_t *cb, int i_sub )
+static ALWAYS_INLINE void x264_cabac_subpartition_b( x264_cabac_t *cb, int i_sub )
{
if( i_sub == D_DIRECT_8x8 )
{
x264_cabac_encode_decision( cb, 39, i_sub == D_L1_8x8 );
}
-static ALWAYS_INLINE void x264_cabac_mb_transform_size( x264_t *h, x264_cabac_t *cb )
+static ALWAYS_INLINE void x264_cabac_transform_size( x264_t *h, x264_cabac_t *cb )
{
int ctx = 399 + h->mb.cache.i_neighbour_transform_size;
x264_cabac_encode_decision_noup( cb, ctx, h->mb.b_transform_8x8 );
}
-static void x264_cabac_mb_ref( x264_t *h, x264_cabac_t *cb, int i_list, int idx )
+static ALWAYS_INLINE void x264_cabac_ref_internal( x264_t *h, x264_cabac_t *cb, int i_list, int idx, int bframe )
{
const int i8 = x264_scan8[idx];
const int i_refa = h->mb.cache.ref[i_list][i8 - 1];
const int i_refb = h->mb.cache.ref[i_list][i8 - 8];
- int ctx = 0;
+ int ctx = 0;
- if( i_refa > 0 && !h->mb.cache.skip[i8 - 1] )
+ if( i_refa > 0 && (!bframe || !h->mb.cache.skip[i8 - 1]) )
ctx++;
- if( i_refb > 0 && !h->mb.cache.skip[i8 - 8] )
+ if( i_refb > 0 && (!bframe || !h->mb.cache.skip[i8 - 8]) )
ctx += 2;
for( int i_ref = h->mb.cache.ref[i_list][i8]; i_ref > 0; i_ref-- )
x264_cabac_encode_decision( cb, 54 + ctx, 0 );
}
-static ALWAYS_INLINE int x264_cabac_mb_mvd_cpn( x264_t *h, x264_cabac_t *cb, int i_list, int idx, int l, int mvd, int ctx )
+static NOINLINE void x264_cabac_ref_p( x264_t *h, x264_cabac_t *cb, int idx )
{
- const int i_abs = abs( mvd );
- const int ctxbase = l ? 47 : 40;
-#if RDO_SKIP_BS
- if( i_abs == 0 )
+ x264_cabac_ref_internal( h, cb, 0, idx, 0 );
+}
+static NOINLINE void x264_cabac_ref_b( x264_t *h, x264_cabac_t *cb, int i_list, int idx )
+{
+ x264_cabac_ref_internal( h, cb, i_list, idx, 1 );
+}
+
+static ALWAYS_INLINE int x264_cabac_mvd_cpn( x264_t *h, x264_cabac_t *cb, int i_list, int idx, int l, int mvd, int ctx )
+{
+ int ctxbase = l ? 47 : 40;
+
+ if( mvd == 0 )
+ {
x264_cabac_encode_decision( cb, ctxbase + ctx, 0 );
+ return 0;
+ }
+
+ int i_abs = abs( mvd );
+ x264_cabac_encode_decision( cb, ctxbase + ctx, 1 );
+#if RDO_SKIP_BS
+ if( i_abs <= 3 )
+ {
+ for( int i = 1; i < i_abs; i++ )
+ x264_cabac_encode_decision( cb, ctxbase + i + 2, 1 );
+ x264_cabac_encode_decision( cb, ctxbase + i_abs + 2, 0 );
+ x264_cabac_encode_bypass( cb, mvd >> 31 );
+ }
else
{
- x264_cabac_encode_decision( cb, ctxbase + ctx, 1 );
- if( i_abs <= 3 )
+ x264_cabac_encode_decision( cb, ctxbase + 3, 1 );
+ x264_cabac_encode_decision( cb, ctxbase + 4, 1 );
+ x264_cabac_encode_decision( cb, ctxbase + 5, 1 );
+ if( i_abs < 9 )
{
- for( int i = 1; i < i_abs; i++ )
- x264_cabac_encode_decision( cb, ctxbase + i + 2, 1 );
- x264_cabac_encode_decision( cb, ctxbase + i_abs + 2, 0 );
- x264_cabac_encode_bypass( cb, mvd >> 31 );
+ cb->f8_bits_encoded += x264_cabac_size_unary[i_abs - 3][cb->state[ctxbase+6]];
+ cb->state[ctxbase+6] = x264_cabac_transition_unary[i_abs - 3][cb->state[ctxbase+6]];
}
else
{
- x264_cabac_encode_decision( cb, ctxbase + 3, 1 );
- x264_cabac_encode_decision( cb, ctxbase + 4, 1 );
- x264_cabac_encode_decision( cb, ctxbase + 5, 1 );
- if( i_abs < 9 )
- {
- cb->f8_bits_encoded += cabac_size_unary[i_abs - 3][cb->state[ctxbase+6]];
- cb->state[ctxbase+6] = cabac_transition_unary[i_abs - 3][cb->state[ctxbase+6]];
- }
- else
- {
- cb->f8_bits_encoded += cabac_size_5ones[cb->state[ctxbase+6]];
- cb->state[ctxbase+6] = cabac_transition_5ones[cb->state[ctxbase+6]];
- x264_cabac_encode_ue_bypass( cb, 3, i_abs - 9 );
- }
+ cb->f8_bits_encoded += cabac_size_5ones[cb->state[ctxbase+6]];
+ cb->state[ctxbase+6] = cabac_transition_5ones[cb->state[ctxbase+6]];
+ x264_cabac_encode_ue_bypass( cb, 3, i_abs - 9 );
}
}
#else
static const uint8_t ctxes[8] = { 3,4,5,6,6,6,6,6 };
- if( i_abs == 0 )
- x264_cabac_encode_decision( cb, ctxbase + ctx, 0 );
+ if( i_abs < 9 )
+ {
+ for( int i = 1; i < i_abs; i++ )
+ x264_cabac_encode_decision( cb, ctxbase + ctxes[i-1], 1 );
+ x264_cabac_encode_decision( cb, ctxbase + ctxes[i_abs-1], 0 );
+ }
else
{
- x264_cabac_encode_decision( cb, ctxbase + ctx, 1 );
- if( i_abs < 9 )
- {
- for( int i = 1; i < i_abs; i++ )
- x264_cabac_encode_decision( cb, ctxbase + ctxes[i-1], 1 );
- x264_cabac_encode_decision( cb, ctxbase + ctxes[i_abs-1], 0 );
- }
- else
- {
- for( int i = 1; i < 9; i++ )
- x264_cabac_encode_decision( cb, ctxbase + ctxes[i-1], 1 );
- x264_cabac_encode_ue_bypass( cb, 3, i_abs - 9 );
- }
- x264_cabac_encode_bypass( cb, mvd >> 31 );
+ for( int i = 1; i < 9; i++ )
+ x264_cabac_encode_decision( cb, ctxbase + ctxes[i-1], 1 );
+ x264_cabac_encode_ue_bypass( cb, 3, i_abs - 9 );
}
+ x264_cabac_encode_bypass( cb, mvd >> 31 );
#endif
- /* Since we don't need to keep track of MVDs larger than 33, just cap the value.
+ /* Since we don't need to keep track of MVDs larger than 66, just cap the value.
* This lets us store MVDs as 8-bit values instead of 16-bit. */
- return X264_MIN( i_abs, 33 );
+ return X264_MIN( i_abs, 66 );
}
-static NOINLINE uint16_t x264_cabac_mb_mvd( x264_t *h, x264_cabac_t *cb, int i_list, int idx, int width )
+static NOINLINE uint16_t x264_cabac_mvd( x264_t *h, x264_cabac_t *cb, int i_list, int idx, int width )
{
ALIGNED_4( int16_t mvp[2] );
int mdx, mdy;
h->mb.cache.mvd[i_list][x264_scan8[idx] - 8]);
/* encode */
- mdx = x264_cabac_mb_mvd_cpn( h, cb, i_list, idx, 0, mdx, amvd&0xFF );
- mdy = x264_cabac_mb_mvd_cpn( h, cb, i_list, idx, 1, mdy, amvd>>8 );
+ mdx = x264_cabac_mvd_cpn( h, cb, i_list, idx, 0, mdx, amvd&0xFF );
+ mdy = x264_cabac_mvd_cpn( h, cb, i_list, idx, 1, mdy, amvd>>8 );
return pack8to16(mdx,mdy);
}
-#define x264_cabac_mb_mvd(h,cb,i_list,idx,width,height)\
+#define x264_cabac_mvd(h,cb,i_list,idx,width,height)\
do\
{\
- uint16_t mvd = x264_cabac_mb_mvd(h,cb,i_list,idx,width);\
+ uint16_t mvd = x264_cabac_mvd(h,cb,i_list,idx,width);\
x264_macroblock_cache_mvd( h, block_idx_x[idx], block_idx_y[idx], width, height, i_list, mvd );\
} while(0)
-static inline void x264_cabac_mb8x8_mvd( x264_t *h, x264_cabac_t *cb, int i )
+static inline void x264_cabac_8x8_mvd( x264_t *h, x264_cabac_t *cb, int i )
{
switch( h->mb.i_sub_partition[i] )
{
case D_L0_8x8:
- x264_cabac_mb_mvd( h, cb, 0, 4*i, 2, 2 );
+ x264_cabac_mvd( h, cb, 0, 4*i, 2, 2 );
break;
case D_L0_8x4:
- x264_cabac_mb_mvd( h, cb, 0, 4*i+0, 2, 1 );
- x264_cabac_mb_mvd( h, cb, 0, 4*i+2, 2, 1 );
+ x264_cabac_mvd( h, cb, 0, 4*i+0, 2, 1 );
+ x264_cabac_mvd( h, cb, 0, 4*i+2, 2, 1 );
break;
case D_L0_4x8:
- x264_cabac_mb_mvd( h, cb, 0, 4*i+0, 1, 2 );
- x264_cabac_mb_mvd( h, cb, 0, 4*i+1, 1, 2 );
+ x264_cabac_mvd( h, cb, 0, 4*i+0, 1, 2 );
+ x264_cabac_mvd( h, cb, 0, 4*i+1, 1, 2 );
break;
case D_L0_4x4:
- x264_cabac_mb_mvd( h, cb, 0, 4*i+0, 1, 1 );
- x264_cabac_mb_mvd( h, cb, 0, 4*i+1, 1, 1 );
- x264_cabac_mb_mvd( h, cb, 0, 4*i+2, 1, 1 );
- x264_cabac_mb_mvd( h, cb, 0, 4*i+3, 1, 1 );
+ x264_cabac_mvd( h, cb, 0, 4*i+0, 1, 1 );
+ x264_cabac_mvd( h, cb, 0, 4*i+1, 1, 1 );
+ x264_cabac_mvd( h, cb, 0, 4*i+2, 1, 1 );
+ x264_cabac_mvd( h, cb, 0, 4*i+3, 1, 1 );
break;
default:
assert(0);
}
}
-/* ctx_block_cat: 0-> DC 16x16 i_idx = 0
- * 1-> AC 16x16 i_idx = luma4x4idx
- * 2-> Luma4x4 i_idx = luma4x4idx
- * 3-> DC Chroma i_idx = iCbCr
- * 4-> AC Chroma i_idx = 4 * iCbCr + chroma4x4idx
- * 5-> Luma8x8 i_idx = luma8x8idx
- */
-
-static int ALWAYS_INLINE x264_cabac_mb_cbf_ctxidxinc( x264_t *h, int i_cat, int i_idx, int b_intra )
+static ALWAYS_INLINE void x264_cabac_mb_header_i( x264_t *h, x264_cabac_t *cb, int i_mb_type, int slice_type, int chroma )
{
- int i_nza;
- int i_nzb;
+ if( slice_type == SLICE_TYPE_I )
+ {
+ int ctx = 0;
+ if( (h->mb.i_neighbour & MB_LEFT) && h->mb.i_mb_type_left[0] != I_4x4 )
+ ctx++;
+ if( (h->mb.i_neighbour & MB_TOP) && h->mb.i_mb_type_top != I_4x4 )
+ ctx++;
- switch( i_cat )
+ x264_cabac_mb_type_intra( h, cb, i_mb_type, 3+ctx, 3+3, 3+4, 3+5, 3+6, 3+7 );
+ }
+ else if( slice_type == SLICE_TYPE_P )
{
- case DCT_LUMA_AC:
- case DCT_LUMA_4x4:
- case DCT_CHROMA_AC:
- /* no need to test for skip/pcm */
- i_nza = h->mb.cache.non_zero_count[x264_scan8[i_idx] - 1];
- i_nzb = h->mb.cache.non_zero_count[x264_scan8[i_idx] - 8];
- if( x264_constant_p(b_intra) && !b_intra )
- return 85 + 4*i_cat + ((2*i_nzb + i_nza)&0x7f);
- else
+ /* prefix */
+ x264_cabac_encode_decision_noup( cb, 14, 1 );
+
+ /* suffix */
+ x264_cabac_mb_type_intra( h, cb, i_mb_type, 17+0, 17+1, 17+2, 17+2, 17+3, 17+3 );
+ }
+ else if( slice_type == SLICE_TYPE_B )
+ {
+ /* prefix */
+ x264_cabac_encode_decision_noup( cb, 27+3, 1 );
+ x264_cabac_encode_decision_noup( cb, 27+4, 1 );
+ x264_cabac_encode_decision( cb, 27+5, 1 );
+ x264_cabac_encode_decision( cb, 27+5, 0 );
+ x264_cabac_encode_decision( cb, 27+5, 1 );
+
+ /* suffix */
+ x264_cabac_mb_type_intra( h, cb, i_mb_type, 32+0, 32+1, 32+2, 32+2, 32+3, 32+3 );
+ }
+
+ if( i_mb_type == I_PCM )
+ return;
+
+ if( i_mb_type != I_16x16 )
+ {
+ if( h->pps->b_transform_8x8_mode )
+ x264_cabac_transform_size( h, cb );
+
+ int di = h->mb.b_transform_8x8 ? 4 : 1;
+ for( int i = 0; i < 16; i += di )
+ {
+ const int i_pred = x264_mb_predict_intra4x4_mode( h, i );
+ const int i_mode = x264_mb_pred_mode4x4_fix( h->mb.cache.intra4x4_pred_mode[x264_scan8[i]] );
+ x264_cabac_intra4x4_pred_mode( cb, i_pred, i_mode );
+ }
+ }
+
+ if( chroma )
+ x264_cabac_intra_chroma_pred_mode( h, cb );
+}
+
+static ALWAYS_INLINE void x264_cabac_mb_header_p( x264_t *h, x264_cabac_t *cb, int i_mb_type, int chroma )
+{
+ if( i_mb_type == P_L0 )
+ {
+ x264_cabac_encode_decision_noup( cb, 14, 0 );
+ if( h->mb.i_partition == D_16x16 )
+ {
+ x264_cabac_encode_decision_noup( cb, 15, 0 );
+ x264_cabac_encode_decision_noup( cb, 16, 0 );
+ if( h->mb.pic.i_fref[0] > 1 )
+ x264_cabac_ref_p( h, cb, 0 );
+ x264_cabac_mvd( h, cb, 0, 0, 4, 4 );
+ }
+ else if( h->mb.i_partition == D_16x8 )
+ {
+ x264_cabac_encode_decision_noup( cb, 15, 1 );
+ x264_cabac_encode_decision_noup( cb, 17, 1 );
+ if( h->mb.pic.i_fref[0] > 1 )
{
- i_nza &= 0x7f + (b_intra << 7);
- i_nzb &= 0x7f + (b_intra << 7);
- return 85 + 4*i_cat + 2*!!i_nzb + !!i_nza;
+ x264_cabac_ref_p( h, cb, 0 );
+ x264_cabac_ref_p( h, cb, 8 );
}
- case DCT_LUMA_DC:
- i_nza = (h->mb.cache.i_cbp_left >> 8) & 1;
- i_nzb = (h->mb.cache.i_cbp_top >> 8) & 1;
- return 85 + 4*i_cat + 2*i_nzb + i_nza;
- case DCT_CHROMA_DC:
- /* no need to test skip/pcm */
- i_idx -= 25;
- i_nza = h->mb.cache.i_cbp_left != -1 ? (h->mb.cache.i_cbp_left >> (9 + i_idx)) & 1 : b_intra;
- i_nzb = h->mb.cache.i_cbp_top != -1 ? (h->mb.cache.i_cbp_top >> (9 + i_idx)) & 1 : b_intra;
- return 85 + 4*i_cat + 2*i_nzb + i_nza;
- default:
- return 0;
+ x264_cabac_mvd( h, cb, 0, 0, 4, 2 );
+ x264_cabac_mvd( h, cb, 0, 8, 4, 2 );
+ }
+ else //if( h->mb.i_partition == D_8x16 )
+ {
+ x264_cabac_encode_decision_noup( cb, 15, 1 );
+ x264_cabac_encode_decision_noup( cb, 17, 0 );
+ if( h->mb.pic.i_fref[0] > 1 )
+ {
+ x264_cabac_ref_p( h, cb, 0 );
+ x264_cabac_ref_p( h, cb, 4 );
+ }
+ x264_cabac_mvd( h, cb, 0, 0, 2, 4 );
+ x264_cabac_mvd( h, cb, 0, 4, 2, 4 );
+ }
}
-}
+ else if( i_mb_type == P_8x8 )
+ {
+ x264_cabac_encode_decision_noup( cb, 14, 0 );
+ x264_cabac_encode_decision_noup( cb, 15, 0 );
+ x264_cabac_encode_decision_noup( cb, 16, 1 );
+
+ /* sub mb type */
+ for( int i = 0; i < 4; i++ )
+ x264_cabac_subpartition_p( cb, h->mb.i_sub_partition[i] );
+ /* ref 0 */
+ if( h->mb.pic.i_fref[0] > 1 )
+ {
+ x264_cabac_ref_p( h, cb, 0 );
+ x264_cabac_ref_p( h, cb, 4 );
+ x264_cabac_ref_p( h, cb, 8 );
+ x264_cabac_ref_p( h, cb, 12 );
+ }
-static const uint16_t significant_coeff_flag_offset[2][6] =
+ for( int i = 0; i < 4; i++ )
+ x264_cabac_8x8_mvd( h, cb, i );
+ }
+ else /* intra */
+ x264_cabac_mb_header_i( h, cb, i_mb_type, SLICE_TYPE_P, chroma );
+}
+
+static ALWAYS_INLINE void x264_cabac_mb_header_b( x264_t *h, x264_cabac_t *cb, int i_mb_type, int chroma )
{
- { 105, 120, 134, 149, 152, 402 },
- { 277, 292, 306, 321, 324, 436 }
-};
-static const uint16_t last_coeff_flag_offset[2][6] =
+ int ctx = 0;
+ if( (h->mb.i_neighbour & MB_LEFT) && h->mb.i_mb_type_left[0] != B_SKIP && h->mb.i_mb_type_left[0] != B_DIRECT )
+ ctx++;
+ if( (h->mb.i_neighbour & MB_TOP) && h->mb.i_mb_type_top != B_SKIP && h->mb.i_mb_type_top != B_DIRECT )
+ ctx++;
+
+ if( i_mb_type == B_DIRECT )
+ {
+ x264_cabac_encode_decision_noup( cb, 27+ctx, 0 );
+ return;
+ }
+ x264_cabac_encode_decision_noup( cb, 27+ctx, 1 );
+
+ if( i_mb_type == B_8x8 )
+ {
+ x264_cabac_encode_decision_noup( cb, 27+3, 1 );
+ x264_cabac_encode_decision_noup( cb, 27+4, 1 );
+ x264_cabac_encode_decision( cb, 27+5, 1 );
+ x264_cabac_encode_decision( cb, 27+5, 1 );
+ x264_cabac_encode_decision_noup( cb, 27+5, 1 );
+
+ /* sub mb type */
+ for( int i = 0; i < 4; i++ )
+ x264_cabac_subpartition_b( cb, h->mb.i_sub_partition[i] );
+
+ /* ref */
+ if( h->mb.pic.i_fref[0] > 1 )
+ for( int i = 0; i < 4; i++ )
+ if( x264_mb_partition_listX_table[0][ h->mb.i_sub_partition[i] ] )
+ x264_cabac_ref_b( h, cb, 0, 4*i );
+
+ if( h->mb.pic.i_fref[1] > 1 )
+ for( int i = 0; i < 4; i++ )
+ if( x264_mb_partition_listX_table[1][ h->mb.i_sub_partition[i] ] )
+ x264_cabac_ref_b( h, cb, 1, 4*i );
+
+ for( int i = 0; i < 4; i++ )
+ if( x264_mb_partition_listX_table[0][ h->mb.i_sub_partition[i] ] )
+ x264_cabac_mvd( h, cb, 0, 4*i, 2, 2 );
+
+ for( int i = 0; i < 4; i++ )
+ if( x264_mb_partition_listX_table[1][ h->mb.i_sub_partition[i] ] )
+ x264_cabac_mvd( h, cb, 1, 4*i, 2, 2 );
+ }
+ else if( i_mb_type >= B_L0_L0 && i_mb_type <= B_BI_BI )
+ {
+ /* All B modes */
+ static const uint8_t i_mb_bits[9*3] =
+ {
+ 0x31, 0x29, 0x4, /* L0 L0 */
+ 0x35, 0x2d, 0, /* L0 L1 */
+ 0x43, 0x63, 0, /* L0 BI */
+ 0x3d, 0x2f, 0, /* L1 L0 */
+ 0x39, 0x25, 0x6, /* L1 L1 */
+ 0x53, 0x73, 0, /* L1 BI */
+ 0x4b, 0x6b, 0, /* BI L0 */
+ 0x5b, 0x7b, 0, /* BI L1 */
+ 0x47, 0x67, 0x21 /* BI BI */
+ };
+
+ const int idx = (i_mb_type - B_L0_L0) * 3 + (h->mb.i_partition - D_16x8);
+ int bits = i_mb_bits[idx];
+
+ x264_cabac_encode_decision_noup( cb, 27+3, bits&1 );
+ x264_cabac_encode_decision( cb, 27+5-(bits&1), (bits>>1)&1 ); bits >>= 2;
+ if( bits != 1 )
+ {
+ x264_cabac_encode_decision( cb, 27+5, bits&1 ); bits >>= 1;
+ x264_cabac_encode_decision( cb, 27+5, bits&1 ); bits >>= 1;
+ x264_cabac_encode_decision( cb, 27+5, bits&1 ); bits >>= 1;
+ if( bits != 1 )
+ x264_cabac_encode_decision_noup( cb, 27+5, bits&1 );
+ }
+
+ const uint8_t (*b_list)[2] = x264_mb_type_list_table[i_mb_type];
+ if( h->mb.pic.i_fref[0] > 1 )
+ {
+ if( b_list[0][0] )
+ x264_cabac_ref_b( h, cb, 0, 0 );
+ if( b_list[0][1] && h->mb.i_partition != D_16x16 )
+ x264_cabac_ref_b( h, cb, 0, 8 >> (h->mb.i_partition == D_8x16) );
+ }
+ if( h->mb.pic.i_fref[1] > 1 )
+ {
+ if( b_list[1][0] )
+ x264_cabac_ref_b( h, cb, 1, 0 );
+ if( b_list[1][1] && h->mb.i_partition != D_16x16 )
+ x264_cabac_ref_b( h, cb, 1, 8 >> (h->mb.i_partition == D_8x16) );
+ }
+ for( int i_list = 0; i_list < 2; i_list++ )
+ {
+ if( h->mb.i_partition == D_16x16 )
+ {
+ if( b_list[i_list][0] ) x264_cabac_mvd( h, cb, i_list, 0, 4, 4 );
+ }
+ else if( h->mb.i_partition == D_16x8 )
+ {
+ if( b_list[i_list][0] ) x264_cabac_mvd( h, cb, i_list, 0, 4, 2 );
+ if( b_list[i_list][1] ) x264_cabac_mvd( h, cb, i_list, 8, 4, 2 );
+ }
+ else //if( h->mb.i_partition == D_8x16 )
+ {
+ if( b_list[i_list][0] ) x264_cabac_mvd( h, cb, i_list, 0, 2, 4 );
+ if( b_list[i_list][1] ) x264_cabac_mvd( h, cb, i_list, 4, 2, 4 );
+ }
+ }
+ }
+ else /* intra */
+ x264_cabac_mb_header_i( h, cb, i_mb_type, SLICE_TYPE_B, chroma );
+}
+
+static int ALWAYS_INLINE x264_cabac_cbf_ctxidxinc( x264_t *h, int i_cat, int i_idx, int b_intra, int b_dc )
{
- { 166, 181, 195, 210, 213, 417 },
- { 338, 353, 367, 382, 385, 451 }
-};
-static const uint16_t coeff_abs_level_m1_offset[6] =
- { 227, 237, 247, 257, 266, 426 };
-static const uint8_t significant_coeff_flag_offset_8x8[2][63] =
+ static const uint16_t base_ctx[14] = {85,89,93,97,101,1012,460,464,468,1016,472,476,480,1020};
+
+ if( b_dc )
+ {
+ i_idx -= LUMA_DC;
+ if( i_cat == DCT_CHROMA_DC )
+ {
+ int i_nza = h->mb.cache.i_cbp_left != -1 ? (h->mb.cache.i_cbp_left >> (8 + i_idx)) & 1 : b_intra;
+ int i_nzb = h->mb.cache.i_cbp_top != -1 ? (h->mb.cache.i_cbp_top >> (8 + i_idx)) & 1 : b_intra;
+ return base_ctx[i_cat] + 2*i_nzb + i_nza;
+ }
+ else
+ {
+ int i_nza = (h->mb.cache.i_cbp_left >> (8 + i_idx)) & 1;
+ int i_nzb = (h->mb.cache.i_cbp_top >> (8 + i_idx)) & 1;
+ return base_ctx[i_cat] + 2*i_nzb + i_nza;
+ }
+ }
+ else
+ {
+ int i_nza = h->mb.cache.non_zero_count[x264_scan8[i_idx] - 1];
+ int i_nzb = h->mb.cache.non_zero_count[x264_scan8[i_idx] - 8];
+ if( x264_constant_p(b_intra) && !b_intra )
+ return base_ctx[i_cat] + ((2*i_nzb + i_nza)&0x7f);
+ else
+ {
+ i_nza &= 0x7f + (b_intra << 7);
+ i_nzb &= 0x7f + (b_intra << 7);
+ return base_ctx[i_cat] + 2*!!i_nzb + !!i_nza;
+ }
+ }
+}
+
+#if !RDO_SKIP_BS
+extern const uint8_t x264_significant_coeff_flag_offset_8x8[2][64];
+extern const uint8_t x264_last_coeff_flag_offset_8x8[63];
+extern const uint8_t x264_coeff_flag_offset_chroma_422_dc[7];
+extern const uint16_t x264_significant_coeff_flag_offset[2][16];
+extern const uint16_t x264_last_coeff_flag_offset[2][16];
+extern const uint16_t x264_coeff_abs_level_m1_offset[16];
+extern const uint8_t x264_count_cat_m1[14];
+#else
+/* Padded to [64] for easier addressing */
+const uint8_t x264_significant_coeff_flag_offset_8x8[2][64] =
{{
0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14
}};
-static const uint8_t last_coeff_flag_offset_8x8[63] =
+const uint8_t x264_last_coeff_flag_offset_8x8[63] =
{
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
};
+const uint8_t x264_coeff_flag_offset_chroma_422_dc[7] = { 0, 0, 1, 1, 2, 2, 2 }; /* MIN( i/2, 2 ) */
+const uint16_t x264_significant_coeff_flag_offset[2][16] =
+{
+ { 105+0, 105+15, 105+29, 105+44, 105+47, 402, 484+0, 484+15, 484+29, 660, 528+0, 528+15, 528+29, 718, 0, 0 },
+ { 277+0, 277+15, 277+29, 277+44, 277+47, 436, 776+0, 776+15, 776+29, 675, 820+0, 820+15, 820+29, 733, 0, 0 }
+};
+const uint16_t x264_last_coeff_flag_offset[2][16] =
+{
+ { 166+0, 166+15, 166+29, 166+44, 166+47, 417, 572+0, 572+15, 572+29, 690, 616+0, 616+15, 616+29, 748, 0, 0 },
+ { 338+0, 338+15, 338+29, 338+44, 338+47, 451, 864+0, 864+15, 864+29, 699, 908+0, 908+15, 908+29, 757, 0, 0 }
+};
+const uint16_t x264_coeff_abs_level_m1_offset[16] =
+{
+ 227+0, 227+10, 227+20, 227+30, 227+39, 426, 952+0, 952+10, 952+20, 708, 982+0, 982+10, 982+20, 766
+};
+const uint8_t x264_count_cat_m1[14] = {15, 14, 15, 3, 14, 63, 15, 14, 15, 63, 15, 14, 15, 63};
+#endif
// node ctx: 0..3: abslevel1 (with abslevelgt1 == 0).
// 4..7: abslevelgt1 + 3 (and abslevel1 doesn't matter).
static const uint8_t coeff_abs_level1_ctx[8] = { 1, 2, 3, 4, 0, 0, 0, 0 };
/* map node ctx => cabac ctx for level>1 */
static const uint8_t coeff_abs_levelgt1_ctx[8] = { 5, 5, 5, 5, 6, 7, 8, 9 };
+/* 4:2:2 chroma dc uses a slightly different state machine for some reason, also note that
+ * 4:2:0 chroma dc doesn't use the last state so it has identical output with both arrays. */
+static const uint8_t coeff_abs_levelgt1_ctx_chroma_dc[8] = { 5, 5, 5, 5, 6, 7, 8, 8 };
+
static const uint8_t coeff_abs_level_transition[2][8] = {
/* update node ctx after coding a level=1 */
{ 1, 2, 3, 3, 4, 5, 6, 7 },
/* update node ctx after coding a level>1 */
{ 4, 4, 4, 4, 5, 6, 7, 7 }
};
-static const uint8_t count_cat_m1[5] = {15, 14, 15, 3, 14};
#if !RDO_SKIP_BS
-static void block_residual_write_cabac( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+static ALWAYS_INLINE void x264_cabac_block_residual_internal( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l, int chroma422dc )
{
- const uint8_t *sig_offset = significant_coeff_flag_offset_8x8[h->mb.b_interlaced];
- int ctx_sig = significant_coeff_flag_offset[h->mb.b_interlaced][ctx_block_cat];
- int ctx_last = last_coeff_flag_offset[h->mb.b_interlaced][ctx_block_cat];
- int ctx_level = coeff_abs_level_m1_offset[ctx_block_cat];
- int coeff_idx = -1, node_ctx = 0, last;
- int coeffs[64];
-
- last = h->quantf.coeff_last[ctx_block_cat]( l );
+ int ctx_sig = x264_significant_coeff_flag_offset[MB_INTERLACED][ctx_block_cat];
+ int ctx_last = x264_last_coeff_flag_offset[MB_INTERLACED][ctx_block_cat];
+ int ctx_level = x264_coeff_abs_level_m1_offset[ctx_block_cat];
+ int coeff_idx = -1, node_ctx = 0;
+ int last = h->quantf.coeff_last[ctx_block_cat]( l );
+ const uint8_t *levelgt1_ctx = chroma422dc ? coeff_abs_levelgt1_ctx_chroma_dc : coeff_abs_levelgt1_ctx;
+ dctcoef coeffs[64];
-#define WRITE_SIGMAP( l8x8 )\
+#define WRITE_SIGMAP( sig_off, last_off )\
+{\
int i = 0;\
while( 1 )\
{\
if( l[i] )\
{\
coeffs[++coeff_idx] = l[i];\
- x264_cabac_encode_decision( cb, ctx_sig + (l8x8 ? sig_offset[i] : i), 1 );\
+ x264_cabac_encode_decision( cb, ctx_sig + sig_off, 1 );\
if( i == last )\
{\
- x264_cabac_encode_decision( cb, ctx_last + (l8x8 ? last_coeff_flag_offset_8x8[i] : i), 1 );\
+ x264_cabac_encode_decision( cb, ctx_last + last_off, 1 );\
break;\
}\
else\
- x264_cabac_encode_decision( cb, ctx_last + (l8x8 ? last_coeff_flag_offset_8x8[i] : i), 0 );\
+ x264_cabac_encode_decision( cb, ctx_last + last_off, 0 );\
}\
else\
- x264_cabac_encode_decision( cb, ctx_sig + (l8x8 ? sig_offset[i] : i), 0 );\
- i++;\
- if( i == count_m1 )\
+ x264_cabac_encode_decision( cb, ctx_sig + sig_off, 0 );\
+ if( ++i == count_m1 )\
{\
coeffs[++coeff_idx] = l[i];\
break;\
}\
- }
+ }\
+}
- if( ctx_block_cat == DCT_LUMA_8x8 )
+ if( chroma422dc )
{
- int count_m1 = 63;
- WRITE_SIGMAP( 1 )
+ int count_m1 = 7;
+ WRITE_SIGMAP( x264_coeff_flag_offset_chroma_422_dc[i], x264_coeff_flag_offset_chroma_422_dc[i] )
}
else
{
- int count_m1 = count_cat_m1[ctx_block_cat];
- WRITE_SIGMAP( 0 )
+ int count_m1 = x264_count_cat_m1[ctx_block_cat];
+ if( count_m1 == 63 )
+ {
+ const uint8_t *sig_offset = x264_significant_coeff_flag_offset_8x8[MB_INTERLACED];
+ WRITE_SIGMAP( sig_offset[i], x264_last_coeff_flag_offset_8x8[i] )
+ }
+ else
+ WRITE_SIGMAP( i, i )
}
do
if( abs_coeff > 1 )
{
x264_cabac_encode_decision( cb, ctx, 1 );
- ctx = coeff_abs_levelgt1_ctx[node_ctx] + ctx_level;
+ ctx = levelgt1_ctx[node_ctx] + ctx_level;
for( int i = X264_MIN( abs_coeff, 15 ) - 2; i > 0; i-- )
x264_cabac_encode_decision( cb, ctx, 1 );
if( abs_coeff < 15 )
x264_cabac_encode_bypass( cb, coeff_sign );
} while( --coeff_idx >= 0 );
}
-#define block_residual_write_cabac_8x8( h, cb, l ) block_residual_write_cabac( h, cb, DCT_LUMA_8x8, l )
+void x264_cabac_block_residual_c( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+{
+ x264_cabac_block_residual_internal( h, cb, ctx_block_cat, l, 0 );
+}
+
+static void ALWAYS_INLINE x264_cabac_block_residual( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+{
+#if ARCH_X86_64 && HAVE_MMX
+ h->bsf.cabac_block_residual_internal( l, MB_INTERLACED, ctx_block_cat, cb );
+#else
+ x264_cabac_block_residual_c( h, cb, ctx_block_cat, l );
+#endif
+}
+static void x264_cabac_block_residual_422_dc( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+{
+ /* Template a version specifically for chroma 4:2:2 DC in order to avoid
+ * slowing down everything else due to the added complexity. */
+ x264_cabac_block_residual_internal( h, cb, DCT_CHROMA_DC, l, 1 );
+}
+#define x264_cabac_block_residual_8x8( h, cb, cat, l ) x264_cabac_block_residual( h, cb, cat, l )
#else
-/* Faster RDO by merging sigmap and level coding. Note that for 8x8dct
- * this is slightly incorrect because the sigmap is not reversible
- * (contexts are repeated). However, there is nearly no quality penalty
- * for this (~0.001db) and the speed boost (~30%) is worth it. */
-static void ALWAYS_INLINE block_residual_write_cabac_internal( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l, int b_8x8 )
+/* Faster RDO by merging sigmap and level coding. Note that for 8x8dct and chroma 4:2:2 dc this is
+ * slightly incorrect because the sigmap is not reversible (contexts are repeated). However, there
+ * is nearly no quality penalty for this (~0.001db) and the speed boost (~30%) is worth it. */
+static void ALWAYS_INLINE x264_cabac_block_residual_internal( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l, int b_8x8, int chroma422dc )
{
- const uint8_t *sig_offset = significant_coeff_flag_offset_8x8[h->mb.b_interlaced];
- int ctx_sig = significant_coeff_flag_offset[h->mb.b_interlaced][ctx_block_cat];
- int ctx_last = last_coeff_flag_offset[h->mb.b_interlaced][ctx_block_cat];
- int ctx_level = coeff_abs_level_m1_offset[ctx_block_cat];
+ const uint8_t *sig_offset = x264_significant_coeff_flag_offset_8x8[MB_INTERLACED];
+ int ctx_sig = x264_significant_coeff_flag_offset[MB_INTERLACED][ctx_block_cat];
+ int ctx_last = x264_last_coeff_flag_offset[MB_INTERLACED][ctx_block_cat];
+ int ctx_level = x264_coeff_abs_level_m1_offset[ctx_block_cat];
int last = h->quantf.coeff_last[ctx_block_cat]( l );
int coeff_abs = abs(l[last]);
int ctx = coeff_abs_level1_ctx[0] + ctx_level;
int node_ctx;
+ const uint8_t *levelgt1_ctx = chroma422dc ? coeff_abs_levelgt1_ctx_chroma_dc : coeff_abs_levelgt1_ctx;
- if( last != (b_8x8 ? 63 : count_cat_m1[ctx_block_cat]) )
+ if( last != (b_8x8 ? 63 : chroma422dc ? 7 : x264_count_cat_m1[ctx_block_cat]) )
{
- x264_cabac_encode_decision( cb, ctx_sig + (b_8x8 ? sig_offset[last] : last), 1 );
- x264_cabac_encode_decision( cb, ctx_last + (b_8x8 ? last_coeff_flag_offset_8x8[last] : last), 1 );
+ x264_cabac_encode_decision( cb, ctx_sig + (b_8x8 ? sig_offset[last] :
+ chroma422dc ? x264_coeff_flag_offset_chroma_422_dc[last] : last), 1 );
+ x264_cabac_encode_decision( cb, ctx_last + (b_8x8 ? x264_last_coeff_flag_offset_8x8[last] :
+ chroma422dc ? x264_coeff_flag_offset_chroma_422_dc[last] : last), 1 );
}
if( coeff_abs > 1 )
{
x264_cabac_encode_decision( cb, ctx, 1 );
- ctx = coeff_abs_levelgt1_ctx[0] + ctx_level;
+ ctx = levelgt1_ctx[0] + ctx_level;
if( coeff_abs < 15 )
{
- cb->f8_bits_encoded += cabac_size_unary[coeff_abs-1][cb->state[ctx]];
- cb->state[ctx] = cabac_transition_unary[coeff_abs-1][cb->state[ctx]];
+ cb->f8_bits_encoded += x264_cabac_size_unary[coeff_abs-1][cb->state[ctx]];
+ cb->state[ctx] = x264_cabac_transition_unary[coeff_abs-1][cb->state[ctx]];
}
else
{
- cb->f8_bits_encoded += cabac_size_unary[14][cb->state[ctx]];
- cb->state[ctx] = cabac_transition_unary[14][cb->state[ctx]];
+ cb->f8_bits_encoded += x264_cabac_size_unary[14][cb->state[ctx]];
+ cb->state[ctx] = x264_cabac_transition_unary[14][cb->state[ctx]];
x264_cabac_encode_ue_bypass( cb, 0, coeff_abs - 15 );
}
node_ctx = coeff_abs_level_transition[1][0];
if( l[i] )
{
coeff_abs = abs(l[i]);
- x264_cabac_encode_decision( cb, ctx_sig + (b_8x8 ? sig_offset[i] : i), 1 );
- x264_cabac_encode_decision( cb, ctx_last + (b_8x8 ? last_coeff_flag_offset_8x8[i] : i), 0 );
+ x264_cabac_encode_decision( cb, ctx_sig + (b_8x8 ? sig_offset[i] :
+ chroma422dc ? x264_coeff_flag_offset_chroma_422_dc[i] : i), 1 );
+ x264_cabac_encode_decision( cb, ctx_last + (b_8x8 ? x264_last_coeff_flag_offset_8x8[i] :
+ chroma422dc ? x264_coeff_flag_offset_chroma_422_dc[i] : i), 0 );
ctx = coeff_abs_level1_ctx[node_ctx] + ctx_level;
if( coeff_abs > 1 )
{
x264_cabac_encode_decision( cb, ctx, 1 );
- ctx = coeff_abs_levelgt1_ctx[node_ctx] + ctx_level;
+ ctx = levelgt1_ctx[node_ctx] + ctx_level;
if( coeff_abs < 15 )
{
- cb->f8_bits_encoded += cabac_size_unary[coeff_abs-1][cb->state[ctx]];
- cb->state[ctx] = cabac_transition_unary[coeff_abs-1][cb->state[ctx]];
+ cb->f8_bits_encoded += x264_cabac_size_unary[coeff_abs-1][cb->state[ctx]];
+ cb->state[ctx] = x264_cabac_transition_unary[coeff_abs-1][cb->state[ctx]];
}
else
{
- cb->f8_bits_encoded += cabac_size_unary[14][cb->state[ctx]];
- cb->state[ctx] = cabac_transition_unary[14][cb->state[ctx]];
+ cb->f8_bits_encoded += x264_cabac_size_unary[14][cb->state[ctx]];
+ cb->state[ctx] = x264_cabac_transition_unary[14][cb->state[ctx]];
x264_cabac_encode_ue_bypass( cb, 0, coeff_abs - 15 );
}
node_ctx = coeff_abs_level_transition[1][node_ctx];
}
}
else
- x264_cabac_encode_decision( cb, ctx_sig + (b_8x8 ? sig_offset[i] : i), 0 );
+ x264_cabac_encode_decision( cb, ctx_sig + (b_8x8 ? sig_offset[i] :
+ chroma422dc ? x264_coeff_flag_offset_chroma_422_dc[i] : i), 0 );
}
}
-static void block_residual_write_cabac_8x8( x264_t *h, x264_cabac_t *cb, dctcoef *l )
+void x264_cabac_block_residual_8x8_rd_c( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+{
+ x264_cabac_block_residual_internal( h, cb, ctx_block_cat, l, 1, 0 );
+}
+void x264_cabac_block_residual_rd_c( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+{
+ x264_cabac_block_residual_internal( h, cb, ctx_block_cat, l, 0, 0 );
+}
+
+static ALWAYS_INLINE void x264_cabac_block_residual_8x8( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
{
- block_residual_write_cabac_internal( h, cb, DCT_LUMA_8x8, l, 1 );
+#if ARCH_X86_64 && HAVE_MMX
+ h->bsf.cabac_block_residual_8x8_rd_internal( l, MB_INTERLACED, ctx_block_cat, cb );
+#else
+ x264_cabac_block_residual_8x8_rd_c( h, cb, ctx_block_cat, l );
+#endif
}
-static void block_residual_write_cabac( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+static ALWAYS_INLINE void x264_cabac_block_residual( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
{
- block_residual_write_cabac_internal( h, cb, ctx_block_cat, l, 0 );
+#if ARCH_X86_64 && HAVE_MMX
+ h->bsf.cabac_block_residual_rd_internal( l, MB_INTERLACED, ctx_block_cat, cb );
+#else
+ x264_cabac_block_residual_rd_c( h, cb, ctx_block_cat, l );
+#endif
+}
+
+static void x264_cabac_block_residual_422_dc( x264_t *h, x264_cabac_t *cb, int ctx_block_cat, dctcoef *l )
+{
+ x264_cabac_block_residual_internal( h, cb, DCT_CHROMA_DC, l, 0, 1 );
}
#endif
-#define block_residual_write_cabac_cbf( h, cb, ctx_block_cat, i_idx, l, b_intra )\
+#define x264_cabac_block_residual_cbf_internal( h, cb, ctx_block_cat, i_idx, l, b_intra, b_dc, name )\
+do\
{\
- int ctxidxinc = x264_cabac_mb_cbf_ctxidxinc( h, ctx_block_cat, i_idx, b_intra );\
+ int ctxidxinc = x264_cabac_cbf_ctxidxinc( h, ctx_block_cat, i_idx, b_intra, b_dc );\
if( h->mb.cache.non_zero_count[x264_scan8[i_idx]] )\
{\
x264_cabac_encode_decision( cb, ctxidxinc, 1 );\
- block_residual_write_cabac( h, cb, ctx_block_cat, l );\
+ x264_cabac_block_residual##name( h, cb, ctx_block_cat, l );\
}\
else\
x264_cabac_encode_decision( cb, ctxidxinc, 0 );\
-}
+} while(0)
-void x264_macroblock_write_cabac( x264_t *h, x264_cabac_t *cb )
+#define x264_cabac_block_residual_dc_cbf( h, cb, ctx_block_cat, i_idx, l, b_intra )\
+ x264_cabac_block_residual_cbf_internal( h, cb, ctx_block_cat, i_idx, l, b_intra, 1, )
+
+#define x264_cabac_block_residual_cbf( h, cb, ctx_block_cat, i_idx, l, b_intra )\
+ x264_cabac_block_residual_cbf_internal( h, cb, ctx_block_cat, i_idx, l, b_intra, 0, )
+
+#define x264_cabac_block_residual_8x8_cbf( h, cb, ctx_block_cat, i_idx, l, b_intra )\
+ x264_cabac_block_residual_cbf_internal( h, cb, ctx_block_cat, i_idx, l, b_intra, 0, _8x8 )
+
+#define x264_cabac_block_residual_422_dc_cbf( h, cb, ch, b_intra )\
+ x264_cabac_block_residual_cbf_internal( h, cb, DCT_CHROMA_DC, CHROMA_DC+(ch), h->dct.chroma_dc[ch], b_intra, 1, _422_dc )
+
+static ALWAYS_INLINE void x264_macroblock_write_cabac_internal( x264_t *h, x264_cabac_t *cb, int plane_count, int chroma )
{
const int i_mb_type = h->mb.i_type;
- int i_list;
#if !RDO_SKIP_BS
const int i_mb_pos_start = x264_cabac_pos( cb );
int i_mb_pos_tex;
+
+ if( SLICE_MBAFF &&
+ (!(h->mb.i_mb_y & 1) || IS_SKIP(h->mb.type[h->mb.i_mb_xy - h->mb.i_mb_stride])) )
+ {
+ x264_cabac_field_decoding_flag( h, cb );
+ }
#endif
- /* Write the MB type */
- x264_cabac_mb_type( h, cb );
+ if( h->sh.i_type == SLICE_TYPE_P )
+ x264_cabac_mb_header_p( h, cb, i_mb_type, chroma );
+ else if( h->sh.i_type == SLICE_TYPE_B )
+ x264_cabac_mb_header_b( h, cb, i_mb_type, chroma );
+ else //if( h->sh.i_type == SLICE_TYPE_I )
+ x264_cabac_mb_header_i( h, cb, i_mb_type, SLICE_TYPE_I, chroma );
#if !RDO_SKIP_BS
+ i_mb_pos_tex = x264_cabac_pos( cb );
+ h->stat.frame.i_mv_bits += i_mb_pos_tex - i_mb_pos_start;
+
if( i_mb_type == I_PCM )
{
- i_mb_pos_tex = x264_cabac_pos( cb );
- h->stat.frame.i_mv_bits += i_mb_pos_tex - i_mb_pos_start;
-
bs_t s;
bs_init( &s, cb->p, cb->p_end - cb->p );
- for( int i = 0; i < 256; i++ )
- bs_write( &s, BIT_DEPTH, h->mb.pic.p_fenc[0][i] );
- for( int ch = 1; ch < 3; ch++ )
- for( int i = 0; i < 8; i++ )
- for( int j = 0; j < 8; j++ )
- bs_write( &s, BIT_DEPTH, h->mb.pic.p_fenc[ch][i*FENC_STRIDE+j] );
+ for( int p = 0; p < plane_count; p++ )
+ for( int i = 0; i < 256; i++ )
+ bs_write( &s, BIT_DEPTH, h->mb.pic.p_fenc[p][i] );
+ if( chroma )
+ for( int ch = 1; ch < 3; ch++ )
+ for( int i = 0; i < 16>>CHROMA_V_SHIFT; i++ )
+ for( int j = 0; j < 8; j++ )
+ bs_write( &s, BIT_DEPTH, h->mb.pic.p_fenc[ch][i*FENC_STRIDE+j] );
bs_flush( &s );
cb->p = s.p;
}
#endif
- if( IS_INTRA( i_mb_type ) )
+ if( i_mb_type != I_16x16 )
{
- if( h->pps->b_transform_8x8_mode && i_mb_type != I_16x16 )
- x264_cabac_mb_transform_size( h, cb );
-
- if( i_mb_type != I_16x16 )
- {
- int di = h->mb.b_transform_8x8 ? 4 : 1;
- for( int i = 0; i < 16; i += di )
- {
- const int i_pred = x264_mb_predict_intra4x4_mode( h, i );
- const int i_mode = x264_mb_pred_mode4x4_fix( h->mb.cache.intra4x4_pred_mode[x264_scan8[i]] );
- x264_cabac_mb_intra4x4_pred_mode( cb, i_pred, i_mode );
- }
- }
+ x264_cabac_cbp_luma( h, cb );
+ if( chroma )
+ x264_cabac_cbp_chroma( h, cb );
+ }
- x264_cabac_mb_intra_chroma_pred_mode( h, cb );
+ if( x264_mb_transform_8x8_allowed( h ) && h->mb.i_cbp_luma )
+ {
+ x264_cabac_transform_size( h, cb );
}
- else if( i_mb_type == P_L0 )
+
+ if( h->mb.i_cbp_luma || (chroma && h->mb.i_cbp_chroma) || i_mb_type == I_16x16 )
{
- if( h->mb.i_partition == D_16x16 )
- {
- if( h->mb.pic.i_fref[0] > 1 )
- {
- x264_cabac_mb_ref( h, cb, 0, 0 );
- }
- x264_cabac_mb_mvd( h, cb, 0, 0, 4, 4 );
- }
- else if( h->mb.i_partition == D_16x8 )
+ const int b_intra = IS_INTRA( i_mb_type );
+ x264_cabac_qp_delta( h, cb );
+
+ /* write residual */
+ if( i_mb_type == I_16x16 )
{
- if( h->mb.pic.i_fref[0] > 1 )
+ /* DC Luma */
+ for( int p = 0; p < plane_count; p++ )
{
- x264_cabac_mb_ref( h, cb, 0, 0 );
- x264_cabac_mb_ref( h, cb, 0, 8 );
+ x264_cabac_block_residual_dc_cbf( h, cb, ctx_cat_plane[DCT_LUMA_DC][p], LUMA_DC+p, h->dct.luma16x16_dc[p], 1 );
+
+ /* AC Luma */
+ if( h->mb.i_cbp_luma )
+ for( int i = p*16; i < p*16+16; i++ )
+ x264_cabac_block_residual_cbf( h, cb, ctx_cat_plane[DCT_LUMA_AC][p], i, h->dct.luma4x4[i]+1, 1 );
}
- x264_cabac_mb_mvd( h, cb, 0, 0, 4, 2 );
- x264_cabac_mb_mvd( h, cb, 0, 8, 4, 2 );
}
- else //if( h->mb.i_partition == D_8x16 )
+ else if( h->mb.b_transform_8x8 )
{
- if( h->mb.pic.i_fref[0] > 1 )
+ if( plane_count == 3 )
{
- x264_cabac_mb_ref( h, cb, 0, 0 );
- x264_cabac_mb_ref( h, cb, 0, 4 );
- }
- x264_cabac_mb_mvd( h, cb, 0, 0, 2, 4 );
- x264_cabac_mb_mvd( h, cb, 0, 4, 2, 4 );
- }
- }
- else if( i_mb_type == P_8x8 )
- {
- /* sub mb type */
- for( int i = 0; i < 4; i++ )
- x264_cabac_mb_sub_p_partition( cb, h->mb.i_sub_partition[i] );
+ ALIGNED_4( uint8_t nnzbak[3][8] );
- /* ref 0 */
- if( h->mb.pic.i_fref[0] > 1 )
- {
- x264_cabac_mb_ref( h, cb, 0, 0 );
- x264_cabac_mb_ref( h, cb, 0, 4 );
- x264_cabac_mb_ref( h, cb, 0, 8 );
- x264_cabac_mb_ref( h, cb, 0, 12 );
- }
+/* Stupid nnz munging in the case that neighbors don't have
+ * 8x8 transform enabled. */
+#define BACKUP( dst, src, res )\
+ dst = src;\
+ src = res;
- for( int i = 0; i < 4; i++ )
- x264_cabac_mb8x8_mvd( h, cb, i );
- }
- else if( i_mb_type == B_8x8 )
- {
- /* sub mb type */
- for( int i = 0; i < 4; i++ )
- x264_cabac_mb_sub_b_partition( cb, h->mb.i_sub_partition[i] );
+#define RESTORE( dst, src, res )\
+ src = dst;
- /* ref */
- if( h->mb.pic.i_fref[0] > 1 )
- for( int i = 0; i < 4; i++ )
- if( x264_mb_partition_listX_table[0][ h->mb.i_sub_partition[i] ] )
- x264_cabac_mb_ref( h, cb, 0, 4*i );
+#define MUNGE_8x8_NNZ( MUNGE )\
+if( (h->mb.i_neighbour & MB_LEFT) && !h->mb.mb_transform_size[h->mb.i_mb_left_xy[0]] )\
+{\
+ MUNGE( nnzbak[0][0], h->mb.cache.non_zero_count[x264_scan8[16*0+ 0] - 1], 0x80 )\
+ MUNGE( nnzbak[0][1], h->mb.cache.non_zero_count[x264_scan8[16*0+ 2] - 1], 0x80 )\
+ MUNGE( nnzbak[1][0], h->mb.cache.non_zero_count[x264_scan8[16*1+ 0] - 1], 0x80 )\
+ MUNGE( nnzbak[1][1], h->mb.cache.non_zero_count[x264_scan8[16*1+ 2] - 1], 0x80 )\
+ MUNGE( nnzbak[2][0], h->mb.cache.non_zero_count[x264_scan8[16*2+ 0] - 1], 0x80 )\
+ MUNGE( nnzbak[2][1], h->mb.cache.non_zero_count[x264_scan8[16*2+ 2] - 1], 0x80 )\
+}\
+if( (h->mb.i_neighbour & MB_LEFT) && !h->mb.mb_transform_size[h->mb.i_mb_left_xy[1]] )\
+{\
+ MUNGE( nnzbak[0][2], h->mb.cache.non_zero_count[x264_scan8[16*0+ 8] - 1], 0x80 )\
+ MUNGE( nnzbak[0][3], h->mb.cache.non_zero_count[x264_scan8[16*0+10] - 1], 0x80 )\
+ MUNGE( nnzbak[1][2], h->mb.cache.non_zero_count[x264_scan8[16*1+ 8] - 1], 0x80 )\
+ MUNGE( nnzbak[1][3], h->mb.cache.non_zero_count[x264_scan8[16*1+10] - 1], 0x80 )\
+ MUNGE( nnzbak[2][2], h->mb.cache.non_zero_count[x264_scan8[16*2+ 8] - 1], 0x80 )\
+ MUNGE( nnzbak[2][3], h->mb.cache.non_zero_count[x264_scan8[16*2+10] - 1], 0x80 )\
+}\
+if( (h->mb.i_neighbour & MB_TOP) && !h->mb.mb_transform_size[h->mb.i_mb_top_xy] )\
+{\
+ MUNGE( M32( &nnzbak[0][4] ), M32( &h->mb.cache.non_zero_count[x264_scan8[16*0] - 8] ), 0x80808080U )\
+ MUNGE( M32( &nnzbak[1][4] ), M32( &h->mb.cache.non_zero_count[x264_scan8[16*1] - 8] ), 0x80808080U )\
+ MUNGE( M32( &nnzbak[2][4] ), M32( &h->mb.cache.non_zero_count[x264_scan8[16*2] - 8] ), 0x80808080U )\
+}
- if( h->mb.pic.i_fref[1] > 1 )
- for( int i = 0; i < 4; i++ )
- if( x264_mb_partition_listX_table[1][ h->mb.i_sub_partition[i] ] )
- x264_cabac_mb_ref( h, cb, 1, 4*i );
+ MUNGE_8x8_NNZ( BACKUP )
- for( int i = 0; i < 4; i++ )
- if( x264_mb_partition_listX_table[0][ h->mb.i_sub_partition[i] ] )
- x264_cabac_mb_mvd( h, cb, 0, 4*i, 2, 2 );
+ for( int p = 0; p < 3; p++ )
+ FOREACH_BIT( i, 0, h->mb.i_cbp_luma )
+ x264_cabac_block_residual_8x8_cbf( h, cb, ctx_cat_plane[DCT_LUMA_8x8][p], i*4+p*16, h->dct.luma8x8[i+p*4], b_intra );
- for( int i = 0; i < 4; i++ )
- if( x264_mb_partition_listX_table[1][ h->mb.i_sub_partition[i] ] )
- x264_cabac_mb_mvd( h, cb, 1, 4*i, 2, 2 );
- }
- else if( i_mb_type != B_DIRECT )
- {
- /* All B mode */
- const uint8_t (*b_list)[2] = x264_mb_type_list_table[i_mb_type];
- if( h->mb.pic.i_fref[0] > 1 )
- {
- if( b_list[0][0] )
- x264_cabac_mb_ref( h, cb, 0, 0 );
- if( b_list[0][1] && h->mb.i_partition != D_16x16 )
- x264_cabac_mb_ref( h, cb, 0, 8 >> (h->mb.i_partition == D_8x16) );
+ MUNGE_8x8_NNZ( RESTORE )
+ }
+ else
+ {
+ FOREACH_BIT( i, 0, h->mb.i_cbp_luma )
+ x264_cabac_block_residual_8x8( h, cb, DCT_LUMA_8x8, h->dct.luma8x8[i] );
+ }
}
- if( h->mb.pic.i_fref[1] > 1 )
+ else
{
- if( b_list[1][0] )
- x264_cabac_mb_ref( h, cb, 1, 0 );
- if( b_list[1][1] && h->mb.i_partition != D_16x16 )
- x264_cabac_mb_ref( h, cb, 1, 8 >> (h->mb.i_partition == D_8x16) );
+ for( int p = 0; p < plane_count; p++ )
+ FOREACH_BIT( i8x8, 0, h->mb.i_cbp_luma )
+ for( int i = 0; i < 4; i++ )
+ x264_cabac_block_residual_cbf( h, cb, ctx_cat_plane[DCT_LUMA_4x4][p], i+i8x8*4+p*16, h->dct.luma4x4[i+i8x8*4+p*16], b_intra );
}
- for( i_list = 0; i_list < 2; i_list++ )
+
+ if( chroma && h->mb.i_cbp_chroma ) /* Chroma DC residual present */
{
- if( h->mb.i_partition == D_16x16 )
+ if( CHROMA_FORMAT == CHROMA_422 )
{
- if( b_list[i_list][0] ) x264_cabac_mb_mvd( h, cb, i_list, 0, 4, 4 );
+ x264_cabac_block_residual_422_dc_cbf( h, cb, 0, b_intra );
+ x264_cabac_block_residual_422_dc_cbf( h, cb, 1, b_intra );
}
- else if( h->mb.i_partition == D_16x8 )
+ else
{
- if( b_list[i_list][0] ) x264_cabac_mb_mvd( h, cb, i_list, 0, 4, 2 );
- if( b_list[i_list][1] ) x264_cabac_mb_mvd( h, cb, i_list, 8, 4, 2 );
+ x264_cabac_block_residual_dc_cbf( h, cb, DCT_CHROMA_DC, CHROMA_DC+0, h->dct.chroma_dc[0], b_intra );
+ x264_cabac_block_residual_dc_cbf( h, cb, DCT_CHROMA_DC, CHROMA_DC+1, h->dct.chroma_dc[1], b_intra );
}
- else //if( h->mb.i_partition == D_8x16 )
+
+ if( h->mb.i_cbp_chroma == 2 ) /* Chroma AC residual present */
{
- if( b_list[i_list][0] ) x264_cabac_mb_mvd( h, cb, i_list, 0, 2, 4 );
- if( b_list[i_list][1] ) x264_cabac_mb_mvd( h, cb, i_list, 4, 2, 4 );
+ int step = 8 << CHROMA_V_SHIFT;
+ for( int i = 16; i < 3*16; i += step )
+ for( int j = i; j < i+4; j++ )
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, j, h->dct.luma4x4[j]+1, b_intra );
}
}
}
-#if !RDO_SKIP_BS
- i_mb_pos_tex = x264_cabac_pos( cb );
- h->stat.frame.i_mv_bits += i_mb_pos_tex - i_mb_pos_start;
-#endif
-
- if( i_mb_type != I_16x16 )
- {
- x264_cabac_mb_cbp_luma( h, cb );
- x264_cabac_mb_cbp_chroma( h, cb );
- }
-
- if( x264_mb_transform_8x8_allowed( h ) && h->mb.i_cbp_luma )
- {
- x264_cabac_mb_transform_size( h, cb );
- }
-
- if( h->mb.i_cbp_luma > 0 || h->mb.i_cbp_chroma > 0 || i_mb_type == I_16x16 )
- {
- const int b_intra = IS_INTRA( i_mb_type );
- x264_cabac_mb_qp_delta( h, cb );
-
- /* write residual */
- if( i_mb_type == I_16x16 )
- {
- /* DC Luma */
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_DC, 24, h->dct.luma16x16_dc, 1 );
-
- /* AC Luma */
- if( h->mb.i_cbp_luma != 0 )
- for( int i = 0; i < 16; i++ )
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_AC, i, h->dct.luma4x4[i]+1, 1 );
- }
- else if( h->mb.b_transform_8x8 )
- {
- for( int i = 0; i < 4; i++ )
- if( h->mb.i_cbp_luma & ( 1 << i ) )
- block_residual_write_cabac_8x8( h, cb, h->dct.luma8x8[i] );
- }
- else
- {
- for( int i = 0; i < 16; i++ )
- if( h->mb.i_cbp_luma & ( 1 << ( i >> 2 ) ) )
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_4x4, i, h->dct.luma4x4[i], b_intra );
- }
-
- if( h->mb.i_cbp_chroma ) /* Chroma DC residual present */
- {
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_DC, 25, h->dct.chroma_dc[0], b_intra );
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_DC, 26, h->dct.chroma_dc[1], b_intra );
- if( h->mb.i_cbp_chroma&0x02 ) /* Chroma AC residual present */
- for( int i = 16; i < 24; i++ )
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_AC, i, h->dct.luma4x4[i]+1, b_intra );
- }
- }
-
#if !RDO_SKIP_BS
h->stat.frame.i_tex_bits += x264_cabac_pos( cb ) - i_mb_pos_tex;
#endif
}
+void x264_macroblock_write_cabac( x264_t *h, x264_cabac_t *cb )
+{
+ if( CHROMA444 )
+ x264_macroblock_write_cabac_internal( h, cb, 3, 0 );
+ else
+ x264_macroblock_write_cabac_internal( h, cb, 1, 1 );
+}
+
#if RDO_SKIP_BS
/*****************************************************************************
* RD only; doesn't generate a valid bitstream
{
const int i_mb_type = h->mb.i_type;
int b_8x16 = h->mb.i_partition == D_8x16;
+ int plane_count = CHROMA444 ? 3 : 1;
if( i_mb_type == P_8x8 )
{
- x264_cabac_mb8x8_mvd( h, cb, i8 );
- x264_cabac_mb_sub_p_partition( cb, h->mb.i_sub_partition[i8] );
+ x264_cabac_8x8_mvd( h, cb, i8 );
+ x264_cabac_subpartition_p( cb, h->mb.i_sub_partition[i8] );
}
else if( i_mb_type == P_L0 )
- x264_cabac_mb_mvd( h, cb, 0, 4*i8, 4>>b_8x16, 2<<b_8x16 );
+ x264_cabac_mvd( h, cb, 0, 4*i8, 4>>b_8x16, 2<<b_8x16 );
else if( i_mb_type > B_DIRECT && i_mb_type < B_8x8 )
{
- if( x264_mb_type_list_table[ i_mb_type ][0][!!i8] ) x264_cabac_mb_mvd( h, cb, 0, 4*i8, 4>>b_8x16, 2<<b_8x16 );
- if( x264_mb_type_list_table[ i_mb_type ][1][!!i8] ) x264_cabac_mb_mvd( h, cb, 1, 4*i8, 4>>b_8x16, 2<<b_8x16 );
+ if( x264_mb_type_list_table[ i_mb_type ][0][!!i8] ) x264_cabac_mvd( h, cb, 0, 4*i8, 4>>b_8x16, 2<<b_8x16 );
+ if( x264_mb_type_list_table[ i_mb_type ][1][!!i8] ) x264_cabac_mvd( h, cb, 1, 4*i8, 4>>b_8x16, 2<<b_8x16 );
}
else //if( i_mb_type == B_8x8 )
{
if( x264_mb_partition_listX_table[0][ h->mb.i_sub_partition[i8] ] )
- x264_cabac_mb_mvd( h, cb, 0, 4*i8, 2, 2 );
+ x264_cabac_mvd( h, cb, 0, 4*i8, 2, 2 );
if( x264_mb_partition_listX_table[1][ h->mb.i_sub_partition[i8] ] )
- x264_cabac_mb_mvd( h, cb, 1, 4*i8, 2, 2 );
+ x264_cabac_mvd( h, cb, 1, 4*i8, 2, 2 );
}
for( int j = (i_pixel < PIXEL_8x8); j >= 0; j-- )
if( h->mb.i_cbp_luma & (1 << i8) )
{
if( h->mb.b_transform_8x8 )
- block_residual_write_cabac_8x8( h, cb, h->dct.luma8x8[i8] );
+ {
+ if( CHROMA444 )
+ for( int p = 0; p < 3; p++ )
+ x264_cabac_block_residual_8x8_cbf( h, cb, ctx_cat_plane[DCT_LUMA_8x8][p], i8*4+p*16, h->dct.luma8x8[i8+p*4], 0 );
+ else
+ x264_cabac_block_residual_8x8( h, cb, DCT_LUMA_8x8, h->dct.luma8x8[i8] );
+ }
else
- for( int i4 = 0; i4 < 4; i4++ )
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_4x4, i4+i8*4, h->dct.luma4x4[i4+i8*4], 0 );
+ for( int p = 0; p < plane_count; p++ )
+ for( int i4 = 0; i4 < 4; i4++ )
+ x264_cabac_block_residual_cbf( h, cb, ctx_cat_plane[DCT_LUMA_4x4][p], i4+i8*4+p*16, h->dct.luma4x4[i4+i8*4+p*16], 0 );
}
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_AC, 16+i8, h->dct.luma4x4[16+i8]+1, 0 );
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_AC, 20+i8, h->dct.luma4x4[20+i8]+1, 0 );
+ if( h->mb.i_cbp_chroma )
+ {
+ if( CHROMA_FORMAT == CHROMA_422 )
+ {
+ int offset = (5*i8) & 0x09;
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, 16+offset, h->dct.luma4x4[16+offset]+1, 0 );
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, 18+offset, h->dct.luma4x4[18+offset]+1, 0 );
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, 32+offset, h->dct.luma4x4[32+offset]+1, 0 );
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, 34+offset, h->dct.luma4x4[34+offset]+1, 0 );
+ }
+ else
+ {
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, 16+i8, h->dct.luma4x4[16+i8]+1, 0 );
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, 32+i8, h->dct.luma4x4[32+i8]+1, 0 );
+ }
+ }
i8 += x264_pixel_size[i_pixel].h >> 3;
}
static void x264_subpartition_size_cabac( x264_t *h, x264_cabac_t *cb, int i4, int i_pixel )
{
int b_8x4 = i_pixel == PIXEL_8x4;
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_4x4, i4, h->dct.luma4x4[i4], 0 );
+ int plane_count = CHROMA444 ? 3 : 1;
if( i_pixel == PIXEL_4x4 )
- {
- x264_cabac_mb_mvd( h, cb, 0, i4, 1, 1 );
- }
+ x264_cabac_mvd( h, cb, 0, i4, 1, 1 );
else
+ x264_cabac_mvd( h, cb, 0, i4, 1+b_8x4, 2-b_8x4 );
+ for( int p = 0; p < plane_count; p++ )
{
- x264_cabac_mb_mvd( h, cb, 0, i4, 1+b_8x4, 2-b_8x4 );
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_4x4, i4+2-b_8x4, h->dct.luma4x4[i4+2-b_8x4], 0 );
+ x264_cabac_block_residual_cbf( h, cb, ctx_cat_plane[DCT_LUMA_4x4][p], p*16+i4, h->dct.luma4x4[p*16+i4], 0 );
+ if( i_pixel != PIXEL_4x4 )
+ x264_cabac_block_residual_cbf( h, cb, ctx_cat_plane[DCT_LUMA_4x4][p], p*16+i4+2-b_8x4, h->dct.luma4x4[p*16+i4+2-b_8x4], 0 );
}
}
{
const int i_pred = x264_mb_predict_intra4x4_mode( h, 4*i8 );
i_mode = x264_mb_pred_mode4x4_fix( i_mode );
- x264_cabac_mb_intra4x4_pred_mode( cb, i_pred, i_mode );
- x264_cabac_mb_cbp_luma( h, cb );
+ x264_cabac_intra4x4_pred_mode( cb, i_pred, i_mode );
+ x264_cabac_cbp_luma( h, cb );
if( h->mb.i_cbp_luma & (1 << i8) )
- block_residual_write_cabac_8x8( h, cb, h->dct.luma8x8[i8] );
+ {
+ if( CHROMA444 )
+ for( int p = 0; p < 3; p++ )
+ x264_cabac_block_residual_8x8_cbf( h, cb, ctx_cat_plane[DCT_LUMA_8x8][p], i8*4+p*16, h->dct.luma8x8[i8+p*4], 1 );
+ else
+ x264_cabac_block_residual_8x8( h, cb, DCT_LUMA_8x8, h->dct.luma8x8[i8] );
+ }
}
static void x264_partition_i4x4_size_cabac( x264_t *h, x264_cabac_t *cb, int i4, int i_mode )
{
const int i_pred = x264_mb_predict_intra4x4_mode( h, i4 );
+ int plane_count = CHROMA444 ? 3 : 1;
i_mode = x264_mb_pred_mode4x4_fix( i_mode );
- x264_cabac_mb_intra4x4_pred_mode( cb, i_pred, i_mode );
- block_residual_write_cabac_cbf( h, cb, DCT_LUMA_4x4, i4, h->dct.luma4x4[i4], 1 );
+ x264_cabac_intra4x4_pred_mode( cb, i_pred, i_mode );
+ for( int p = 0; p < plane_count; p++ )
+ x264_cabac_block_residual_cbf( h, cb, ctx_cat_plane[DCT_LUMA_4x4][p], i4+p*16, h->dct.luma4x4[i4+p*16], 1 );
}
-static void x264_i8x8_chroma_size_cabac( x264_t *h, x264_cabac_t *cb )
+static void x264_chroma_size_cabac( x264_t *h, x264_cabac_t *cb )
{
- x264_cabac_mb_intra_chroma_pred_mode( h, cb );
- x264_cabac_mb_cbp_chroma( h, cb );
- if( h->mb.i_cbp_chroma > 0 )
+ x264_cabac_intra_chroma_pred_mode( h, cb );
+ x264_cabac_cbp_chroma( h, cb );
+ if( h->mb.i_cbp_chroma )
{
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_DC, 25, h->dct.chroma_dc[0], 1 );
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_DC, 26, h->dct.chroma_dc[1], 1 );
+ if( CHROMA_FORMAT == CHROMA_422 )
+ {
+ x264_cabac_block_residual_422_dc_cbf( h, cb, 0, 1 );
+ x264_cabac_block_residual_422_dc_cbf( h, cb, 1, 1 );
+ }
+ else
+ {
+ x264_cabac_block_residual_dc_cbf( h, cb, DCT_CHROMA_DC, CHROMA_DC+0, h->dct.chroma_dc[0], 1 );
+ x264_cabac_block_residual_dc_cbf( h, cb, DCT_CHROMA_DC, CHROMA_DC+1, h->dct.chroma_dc[1], 1 );
+ }
if( h->mb.i_cbp_chroma == 2 )
- for( int i = 16; i < 24; i++ )
- block_residual_write_cabac_cbf( h, cb, DCT_CHROMA_AC, i, h->dct.luma4x4[i]+1, 1 );
+ {
+ int step = 8 << CHROMA_V_SHIFT;
+ for( int i = 16; i < 3*16; i += step )
+ for( int j = i; j < i+4; j++ )
+ x264_cabac_block_residual_cbf( h, cb, DCT_CHROMA_AC, j, h->dct.luma4x4[j]+1, 1 );
+ }
}
}
#endif
projects / x264 / blobdiff