/*****************************************************************************
- * macroblock.c: h264 encoder library
+ * macroblock.c: macroblock encoding
*****************************************************************************
- * Copyright (C) 2003-2008 x264 project
+ * Copyright (C) 2003-2011 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
* 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.
*****************************************************************************/
#include "common/common.h"
/* These chroma DC functions don't have assembly versions and are only used here. */
-#define ZIG(i,y,x) level[i] = dct[x][y];
-static inline void zigzag_scan_2x2_dc( int16_t level[4], int16_t dct[2][2] )
+#define ZIG(i,y,x) level[i] = dct[x*2+y];
+static inline void zigzag_scan_2x2_dc( dctcoef level[4], dctcoef dct[4] )
{
ZIG(0,0,0)
ZIG(1,0,1)
#undef ZIG
#define IDCT_DEQUANT_START \
- int d0 = dct[0][0] + dct[0][1]; \
- int d1 = dct[1][0] + dct[1][1]; \
- int d2 = dct[0][0] - dct[0][1]; \
- int d3 = dct[1][0] - dct[1][1]; \
- int dmf = dequant_mf[i_qp%6][0][0]; \
- int qbits = i_qp/6 - 5; \
- if( qbits > 0 ) \
- { \
- dmf <<= qbits; \
- qbits = 0; \
- }
+ int d0 = dct[0] + dct[1]; \
+ int d1 = dct[2] + dct[3]; \
+ int d2 = dct[0] - dct[1]; \
+ int d3 = dct[2] - dct[3]; \
+ int dmf = dequant_mf[i_qp%6][0] << i_qp/6;
-static inline void idct_dequant_2x2_dc( int16_t dct[2][2], int16_t dct4x4[4][4][4], int dequant_mf[6][4][4], int i_qp )
+static inline void idct_dequant_2x2_dc( dctcoef dct[4], dctcoef dct4x4[4][16], int dequant_mf[6][16], int i_qp )
{
IDCT_DEQUANT_START
- dct4x4[0][0][0] = (d0 + d1) * dmf >> -qbits;
- dct4x4[1][0][0] = (d0 - d1) * dmf >> -qbits;
- dct4x4[2][0][0] = (d2 + d3) * dmf >> -qbits;
- dct4x4[3][0][0] = (d2 - d3) * dmf >> -qbits;
+ dct4x4[0][0] = (d0 + d1) * dmf >> 5;
+ dct4x4[1][0] = (d0 - d1) * dmf >> 5;
+ dct4x4[2][0] = (d2 + d3) * dmf >> 5;
+ dct4x4[3][0] = (d2 - d3) * dmf >> 5;
}
-static inline void idct_dequant_2x2_dconly( int16_t dct[2][2], int dequant_mf[6][4][4], int i_qp )
+static inline void idct_dequant_2x2_dconly( dctcoef out[4], dctcoef dct[4], int dequant_mf[6][16], int i_qp )
{
IDCT_DEQUANT_START
- dct[0][0] = (d0 + d1) * dmf >> -qbits;
- dct[0][1] = (d0 - d1) * dmf >> -qbits;
- dct[1][0] = (d2 + d3) * dmf >> -qbits;
- dct[1][1] = (d2 - d3) * dmf >> -qbits;
-}
-
-static inline void dct2x2dc( int16_t d[2][2], int16_t dct4x4[4][4][4] )
-{
- int d0 = dct4x4[0][0][0] + dct4x4[1][0][0];
- int d1 = dct4x4[2][0][0] + dct4x4[3][0][0];
- int d2 = dct4x4[0][0][0] - dct4x4[1][0][0];
- int d3 = dct4x4[2][0][0] - dct4x4[3][0][0];
- d[0][0] = d0 + d1;
- d[1][0] = d2 + d3;
- d[0][1] = d0 - d1;
- d[1][1] = d2 - d3;
- dct4x4[0][0][0] = 0;
- dct4x4[1][0][0] = 0;
- dct4x4[2][0][0] = 0;
- dct4x4[3][0][0] = 0;
+ out[0] = (d0 + d1) * dmf >> 5;
+ out[1] = (d0 - d1) * dmf >> 5;
+ out[2] = (d2 + d3) * dmf >> 5;
+ out[3] = (d2 - d3) * dmf >> 5;
}
-static inline void dct2x2dc_dconly( int16_t d[2][2] )
+static inline void dct2x2dc( dctcoef d[4], dctcoef dct4x4[4][16] )
{
- int d0 = d[0][0] + d[0][1];
- int d1 = d[1][0] + d[1][1];
- int d2 = d[0][0] - d[0][1];
- int d3 = d[1][0] - d[1][1];
- d[0][0] = d0 + d1;
- d[1][0] = d2 + d3;
- d[0][1] = d0 - d1;
- d[1][1] = d2 - d3;
+ int d0 = dct4x4[0][0] + dct4x4[1][0];
+ int d1 = dct4x4[2][0] + dct4x4[3][0];
+ int d2 = dct4x4[0][0] - dct4x4[1][0];
+ int d3 = dct4x4[2][0] - dct4x4[3][0];
+ d[0] = d0 + d1;
+ d[2] = d2 + d3;
+ d[1] = d0 - d1;
+ d[3] = d2 - d3;
+ dct4x4[0][0] = 0;
+ dct4x4[1][0] = 0;
+ dct4x4[2][0] = 0;
+ dct4x4[3][0] = 0;
}
-static ALWAYS_INLINE int x264_quant_4x4( x264_t *h, int16_t dct[4][4], int i_qp, int i_ctxBlockCat, int b_intra, int idx )
+static ALWAYS_INLINE int x264_quant_4x4( x264_t *h, dctcoef dct[16], int i_qp, int ctx_block_cat, int b_intra, int idx )
{
int i_quant_cat = b_intra ? CQM_4IY : CQM_4PY;
+ if( h->mb.b_noise_reduction && ctx_block_cat != DCT_LUMA_AC )
+ h->quantf.denoise_dct( dct, h->nr_residual_sum[0], h->nr_offset[0], 16 );
if( h->mb.b_trellis )
- return x264_quant_4x4_trellis( h, dct, i_quant_cat, i_qp, i_ctxBlockCat, b_intra, 0, idx );
+ return x264_quant_4x4_trellis( h, dct, i_quant_cat, i_qp, ctx_block_cat, b_intra, 0, idx );
else
return h->quantf.quant_4x4( dct, h->quant4_mf[i_quant_cat][i_qp], h->quant4_bias[i_quant_cat][i_qp] );
}
-static ALWAYS_INLINE int x264_quant_8x8( x264_t *h, int16_t dct[8][8], int i_qp, int b_intra, int idx )
+static ALWAYS_INLINE int x264_quant_8x8( x264_t *h, dctcoef dct[64], int i_qp, int b_intra, int idx )
{
int i_quant_cat = b_intra ? CQM_8IY : CQM_8PY;
+ if( h->mb.b_noise_reduction )
+ h->quantf.denoise_dct( dct, h->nr_residual_sum[1], h->nr_offset[1], 64 );
if( h->mb.b_trellis )
return x264_quant_8x8_trellis( h, dct, i_quant_cat, i_qp, b_intra, idx );
else
void x264_mb_encode_i4x4( x264_t *h, int idx, int i_qp )
{
int nz;
- uint8_t *p_src = &h->mb.pic.p_fenc[0][block_idx_xy_fenc[idx]];
- uint8_t *p_dst = &h->mb.pic.p_fdec[0][block_idx_xy_fdec[idx]];
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[4] );
+ pixel *p_src = &h->mb.pic.p_fenc[0][block_idx_xy_fenc[idx]];
+ pixel *p_dst = &h->mb.pic.p_fdec[0][block_idx_xy_fdec[idx]];
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16] );
if( h->mb.b_lossless )
{
}
}
-#define STORE_8x8_NNZ(idx,nz)\
+#define STORE_8x8_NNZ( s8, nz )\
+do\
+{\
+ M16( &h->mb.cache.non_zero_count[(s8) + 0*8] ) = (nz) * 0x0101;\
+ M16( &h->mb.cache.non_zero_count[(s8) + 1*8] ) = (nz) * 0x0101;\
+} while(0)
+
+#define CLEAR_16x16_NNZ \
{\
- *(uint16_t*)&h->mb.cache.non_zero_count[x264_scan8[idx*4+0]] = nz * 0x0101;\
- *(uint16_t*)&h->mb.cache.non_zero_count[x264_scan8[idx*4+2]] = nz * 0x0101;\
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 0]] ) = 0;\
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 2]] ) = 0;\
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 8]] ) = 0;\
+ M32( &h->mb.cache.non_zero_count[x264_scan8[10]] ) = 0;\
}
void x264_mb_encode_i8x8( x264_t *h, int idx, int i_qp )
{
- int x = 8 * (idx&1);
- int y = 8 * (idx>>1);
+ int x = idx&1;
+ int y = idx>>1;
+ int s8 = X264_SCAN8_0 + 2*x + 16*y;
int nz;
- uint8_t *p_src = &h->mb.pic.p_fenc[0][x+y*FENC_STRIDE];
- uint8_t *p_dst = &h->mb.pic.p_fdec[0][x+y*FDEC_STRIDE];
- ALIGNED_ARRAY_16( int16_t, dct8x8,[8],[8] );
+ pixel *p_src = &h->mb.pic.p_fenc[0][8*x + 8*y*FENC_STRIDE];
+ pixel *p_dst = &h->mb.pic.p_fdec[0][8*x + 8*y*FDEC_STRIDE];
+ ALIGNED_ARRAY_16( dctcoef, dct8x8,[64] );
if( h->mb.b_lossless )
{
nz = h->zigzagf.sub_8x8( h->dct.luma8x8[idx], p_src, p_dst );
- STORE_8x8_NNZ(idx,nz);
+ STORE_8x8_NNZ( s8, nz );
h->mb.i_cbp_luma |= nz<<idx;
return;
}
h->zigzagf.scan_8x8( h->dct.luma8x8[idx], dct8x8 );
h->quantf.dequant_8x8( dct8x8, h->dequant8_mf[CQM_8IY], i_qp );
h->dctf.add8x8_idct8( p_dst, dct8x8 );
- STORE_8x8_NNZ(idx,1);
+ STORE_8x8_NNZ( s8, 1 );
}
else
- STORE_8x8_NNZ(idx,0);
+ STORE_8x8_NNZ( s8, 0 );
}
static void x264_mb_encode_i16x16( x264_t *h, int i_qp )
{
- uint8_t *p_src = h->mb.pic.p_fenc[0];
- uint8_t *p_dst = h->mb.pic.p_fdec[0];
+ pixel *p_src = h->mb.pic.p_fenc[0];
+ pixel *p_dst = h->mb.pic.p_fdec[0];
- ALIGNED_ARRAY_16( int16_t, dct4x4,[16],[4][4] );
- ALIGNED_ARRAY_16( int16_t, dct_dc4x4,[4],[4] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16],[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct_dc4x4,[16] );
- int i, nz;
- int b_decimate = h->sh.i_type == SLICE_TYPE_B || (h->param.analyse.b_dct_decimate && h->sh.i_type == SLICE_TYPE_P);
- int decimate_score = b_decimate ? 0 : 9;
+ int nz;
+ int decimate_score = h->mb.b_dct_decimate ? 0 : 9;
if( h->mb.b_lossless )
{
- for( i = 0; i < 16; i++ )
+ for( int i = 0; i < 16; i++ )
{
int oe = block_idx_xy_fenc[i];
int od = block_idx_xy_fdec[i];
- nz = h->zigzagf.sub_4x4ac( h->dct.luma4x4[i], p_src+oe, p_dst+od, &dct_dc4x4[0][block_idx_yx_1d[i]] );
+ nz = h->zigzagf.sub_4x4ac( h->dct.luma4x4[i], p_src+oe, p_dst+od, &dct_dc4x4[block_idx_yx_1d[i]] );
h->mb.cache.non_zero_count[x264_scan8[i]] = nz;
h->mb.i_cbp_luma |= nz;
}
h->dctf.sub16x16_dct( dct4x4, p_src, p_dst );
- for( i = 0; i < 16; i++ )
+ for( int i = 0; i < 16; i++ )
{
/* copy dc coeff */
- dct_dc4x4[0][block_idx_xy_1d[i]] = dct4x4[i][0][0];
- dct4x4[i][0][0] = 0;
+ if( h->mb.b_noise_reduction )
+ h->quantf.denoise_dct( dct4x4[i], h->nr_residual_sum[0], h->nr_offset[0], 16 );
+ dct_dc4x4[block_idx_xy_1d[i]] = dct4x4[i][0];
+ dct4x4[i][0] = 0;
/* quant/scan/dequant */
nz = x264_quant_4x4( h, dct4x4[i], i_qp, DCT_LUMA_AC, 1, i );
if( decimate_score < 6 )
{
h->mb.i_cbp_luma = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]] = 0;
+ CLEAR_16x16_NNZ
}
h->dctf.dct4x4dc( dct_dc4x4 );
if( h->mb.b_trellis )
- nz = x264_quant_dc_trellis( h, (int16_t*)dct_dc4x4, CQM_4IY, i_qp, DCT_LUMA_DC, 1, 0 );
+ nz = x264_quant_dc_trellis( h, dct_dc4x4, CQM_4IY, i_qp, DCT_LUMA_DC, 1, 0 );
else
nz = h->quantf.quant_4x4_dc( dct_dc4x4, h->quant4_mf[CQM_4IY][i_qp][0]>>1, h->quant4_bias[CQM_4IY][i_qp][0]<<1 );
h->dctf.idct4x4dc( dct_dc4x4 );
h->quantf.dequant_4x4_dc( dct_dc4x4, h->dequant4_mf[CQM_4IY], i_qp ); /* XXX not inversed */
if( h->mb.i_cbp_luma )
- for( i = 0; i < 16; i++ )
- dct4x4[i][0][0] = dct_dc4x4[0][block_idx_xy_1d[i]];
+ for( int i = 0; i < 16; i++ )
+ dct4x4[i][0] = dct_dc4x4[block_idx_xy_1d[i]];
}
/* put pixels to fdec */
h->dctf.add16x16_idct_dc( p_dst, dct_dc4x4 );
}
+/* Round down coefficients losslessly in DC-only chroma blocks.
+ * Unlike luma blocks, this can't be done with a lookup table or
+ * other shortcut technique because of the interdependencies
+ * between the coefficients due to the chroma DC transform. */
+static ALWAYS_INLINE int x264_mb_optimize_chroma_dc( x264_t *h, dctcoef dct2x2[4], int dequant_mf[6][16], int i_qp )
+{
+ int dmf = dequant_mf[i_qp%6][0] << i_qp/6;
+
+ /* If the QP is too high, there's no benefit to rounding optimization. */
+ if( dmf > 32*64 )
+ return 1;
+
+ return h->quantf.optimize_chroma_dc( dct2x2, dmf );
+}
+
void x264_mb_encode_8x8_chroma( x264_t *h, int b_inter, int i_qp )
{
- int i, ch, nz, nz_dc;
- int b_decimate = b_inter && (h->sh.i_type == SLICE_TYPE_B || h->param.analyse.b_dct_decimate);
- ALIGNED_ARRAY_16( int16_t, dct2x2,[2],[2] );
+ int nz, nz_dc;
+ int b_decimate = b_inter && h->mb.b_dct_decimate;
+ ALIGNED_ARRAY_16( dctcoef, dct2x2,[4] );
h->mb.i_cbp_chroma = 0;
+ h->nr_count[2] += h->mb.b_noise_reduction * 4;
/* Early termination: check variance of chroma residual before encoding.
* Don't bother trying early termination at low QPs.
* Values are experimentally derived. */
- if( b_decimate && i_qp >= (h->mb.b_trellis ? 12 : 18) )
+ if( b_decimate && i_qp >= (h->mb.b_trellis ? 12 : 18) && !h->mb.b_noise_reduction )
{
int thresh = (x264_lambda2_tab[i_qp] + 32) >> 6;
int ssd[2];
- int score = h->pixf.var2_8x8( h->mb.pic.p_fenc[1], FENC_STRIDE, h->mb.pic.p_fdec[1], FDEC_STRIDE, &ssd[0] );
+ int score = h->pixf.var2_8x8( h->mb.pic.p_fenc[1], FENC_STRIDE, h->mb.pic.p_fdec[1], FDEC_STRIDE, &ssd[0] );
+ if( score < thresh*4 )
score += h->pixf.var2_8x8( h->mb.pic.p_fenc[2], FENC_STRIDE, h->mb.pic.p_fdec[2], FDEC_STRIDE, &ssd[1] );
if( score < thresh*4 )
{
h->mb.cache.non_zero_count[x264_scan8[21]] = 0;
h->mb.cache.non_zero_count[x264_scan8[22]] = 0;
h->mb.cache.non_zero_count[x264_scan8[23]] = 0;
- h->mb.cache.non_zero_count[x264_scan8[25]] = 0;
- h->mb.cache.non_zero_count[x264_scan8[26]] = 0;
- for( ch = 0; ch < 2; ch++ )
+ M16( &h->mb.cache.non_zero_count[x264_scan8[25]] ) = 0;
+
+ for( int ch = 0; ch < 2; ch++ )
{
if( ssd[ch] > thresh )
{
h->dctf.sub8x8_dct_dc( dct2x2, h->mb.pic.p_fenc[1+ch], h->mb.pic.p_fdec[1+ch] );
- dct2x2dc_dconly( dct2x2 );
if( h->mb.b_trellis )
- nz_dc = x264_quant_dc_trellis( h, (int16_t*)dct2x2, CQM_4IC+b_inter, i_qp, DCT_CHROMA_DC, !b_inter, 1 );
+ nz_dc = x264_quant_dc_trellis( h, dct2x2, CQM_4IC+b_inter, i_qp, DCT_CHROMA_DC, !b_inter, 1 );
else
- nz_dc = h->quantf.quant_2x2_dc( dct2x2, h->quant4_mf[CQM_4IC+b_inter][i_qp][0]>>1, h->quant4_bias[CQM_4IC+b_inter][i_qp][0]<<
- 1 );
+ nz_dc = h->quantf.quant_2x2_dc( dct2x2, h->quant4_mf[CQM_4IC+b_inter][i_qp][0]>>1, h->quant4_bias[CQM_4IC+b_inter][i_qp][0]<<1 );
+
if( nz_dc )
{
+ if( !x264_mb_optimize_chroma_dc( h, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp ) )
+ continue;
h->mb.cache.non_zero_count[x264_scan8[25]+ch] = 1;
zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
- idct_dequant_2x2_dconly( dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
+ idct_dequant_2x2_dconly( dct2x2, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
h->dctf.add8x8_idct_dc( h->mb.pic.p_fdec[1+ch], dct2x2 );
h->mb.i_cbp_chroma = 1;
}
}
}
- for( ch = 0; ch < 2; ch++ )
+ for( int ch = 0; ch < 2; ch++ )
{
- uint8_t *p_src = h->mb.pic.p_fenc[1+ch];
- uint8_t *p_dst = h->mb.pic.p_fdec[1+ch];
+ pixel *p_src = h->mb.pic.p_fenc[1+ch];
+ pixel *p_dst = h->mb.pic.p_fdec[1+ch];
int i_decimate_score = 0;
int nz_ac = 0;
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[4][4] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
if( h->mb.b_lossless )
{
- for( i = 0; i < 4; i++ )
+ for( int i = 0; i < 4; i++ )
{
int oe = block_idx_x[i]*4 + block_idx_y[i]*4*FENC_STRIDE;
int od = block_idx_x[i]*4 + block_idx_y[i]*4*FDEC_STRIDE;
}
h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+ if( h->mb.b_noise_reduction )
+ for( int i = 0; i < 4; i++ )
+ h->quantf.denoise_dct( dct4x4[i], h->nr_residual_sum[2], h->nr_offset[2], 16 );
dct2x2dc( dct2x2, dct4x4 );
/* calculate dct coeffs */
- for( i = 0; i < 4; i++ )
+ for( int i = 0; i < 4; i++ )
{
if( h->mb.b_trellis )
nz = x264_quant_4x4_trellis( h, dct4x4[i], CQM_4IC+b_inter, i_qp, DCT_CHROMA_AC, !b_inter, 1, 0 );
}
if( h->mb.b_trellis )
- nz_dc = x264_quant_dc_trellis( h, (int16_t*)dct2x2, CQM_4IC+b_inter, i_qp, DCT_CHROMA_DC, !b_inter, 1 );
+ nz_dc = x264_quant_dc_trellis( h, dct2x2, CQM_4IC+b_inter, i_qp, DCT_CHROMA_DC, !b_inter, 1 );
else
nz_dc = h->quantf.quant_2x2_dc( dct2x2, h->quant4_mf[CQM_4IC+b_inter][i_qp][0]>>1, h->quant4_bias[CQM_4IC+b_inter][i_qp][0]<<1 );
h->mb.cache.non_zero_count[x264_scan8[16+3]+24*ch] = 0;
if( !nz_dc ) /* Whole block is empty */
continue;
+ if( !x264_mb_optimize_chroma_dc( h, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp ) )
+ {
+ h->mb.cache.non_zero_count[x264_scan8[25]+ch] = 0;
+ continue;
+ }
/* DC-only */
zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
- idct_dequant_2x2_dconly( dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
+ idct_dequant_2x2_dconly( dct2x2, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
h->dctf.add8x8_idct_dc( p_dst, dct2x2 );
}
else
}
}
- if( h->mb.i_cbp_chroma )
- h->mb.i_cbp_chroma = 2; /* dc+ac (we can't do only ac) */
- else if( h->mb.cache.non_zero_count[x264_scan8[25]] |
- h->mb.cache.non_zero_count[x264_scan8[26]] )
- h->mb.i_cbp_chroma = 1; /* dc only */
+ /* 0 = none, 1 = DC only, 2 = DC+AC */
+ h->mb.i_cbp_chroma = ((!!M16( &h->mb.cache.non_zero_count[x264_scan8[25]] )) | h->mb.i_cbp_chroma) + h->mb.i_cbp_chroma;
}
static void x264_macroblock_encode_skip( x264_t *h )
{
- h->mb.i_cbp_luma = 0x00;
- h->mb.i_cbp_chroma = 0x00;
- memset( h->mb.cache.non_zero_count, 0, X264_SCAN8_SIZE );
- /* store cbp */
+ M32( &h->mb.cache.non_zero_count[x264_scan8[0]+0*8] ) = 0;
+ M32( &h->mb.cache.non_zero_count[x264_scan8[0]+1*8] ) = 0;
+ M32( &h->mb.cache.non_zero_count[x264_scan8[0]+2*8] ) = 0;
+ M32( &h->mb.cache.non_zero_count[x264_scan8[0]+3*8] ) = 0;
+ for( int i = 16; i < 24; i++ )
+ h->mb.cache.non_zero_count[x264_scan8[i]] = 0;
+ h->mb.i_cbp_luma = 0;
+ h->mb.i_cbp_chroma = 0;
h->mb.cbp[h->mb.i_mb_xy] = 0;
}
*****************************************************************************/
static void x264_macroblock_encode_pskip( x264_t *h )
{
- const int mvx = x264_clip3( h->mb.cache.mv[0][x264_scan8[0]][0],
- h->mb.mv_min[0], h->mb.mv_max[0] );
- const int mvy = x264_clip3( h->mb.cache.mv[0][x264_scan8[0]][1],
- h->mb.mv_min[1], h->mb.mv_max[1] );
-
/* don't do pskip motion compensation if it was already done in macroblock_analyse */
if( !h->mb.b_skip_mc )
{
+ int mvx = x264_clip3( h->mb.cache.mv[0][x264_scan8[0]][0],
+ h->mb.mv_min[0], h->mb.mv_max[0] );
+ int mvy = x264_clip3( h->mb.cache.mv[0][x264_scan8[0]][1],
+ h->mb.mv_min[1], h->mb.mv_max[1] );
+
h->mc.mc_luma( h->mb.pic.p_fdec[0], FDEC_STRIDE,
h->mb.pic.p_fref[0][0], h->mb.pic.i_stride[0],
- mvx, mvy, 16, 16 );
+ mvx, mvy, 16, 16, &h->sh.weight[0][0] );
- h->mc.mc_chroma( h->mb.pic.p_fdec[1], FDEC_STRIDE,
- h->mb.pic.p_fref[0][0][4], h->mb.pic.i_stride[1],
- mvx, mvy, 8, 8 );
-
- h->mc.mc_chroma( h->mb.pic.p_fdec[2], FDEC_STRIDE,
- h->mb.pic.p_fref[0][0][5], h->mb.pic.i_stride[2],
- mvx, mvy, 8, 8 );
+ /* Special case for mv0, which is (of course) very common in P-skip mode. */
+ if( mvx | mvy )
+ h->mc.mc_chroma( h->mb.pic.p_fdec[1], h->mb.pic.p_fdec[2], FDEC_STRIDE,
+ h->mb.pic.p_fref[0][0][4], h->mb.pic.i_stride[1],
+ mvx, mvy, 8, 8 );
+ else
+ h->mc.load_deinterleave_8x8x2_fdec( h->mb.pic.p_fdec[1], h->mb.pic.p_fref[0][0][4], h->mb.pic.i_stride[1] );
+
+ if( h->sh.weight[0][1].weightfn )
+ h->sh.weight[0][1].weightfn[8>>2]( h->mb.pic.p_fdec[1], FDEC_STRIDE,
+ h->mb.pic.p_fdec[1], FDEC_STRIDE,
+ &h->sh.weight[0][1], 8 );
+ if( h->sh.weight[0][2].weightfn )
+ h->sh.weight[0][2].weightfn[8>>2]( h->mb.pic.p_fdec[2], FDEC_STRIDE,
+ h->mb.pic.p_fdec[2], FDEC_STRIDE,
+ &h->sh.weight[0][2], 8 );
}
x264_macroblock_encode_skip( h );
* Intra prediction for predictive lossless mode.
*****************************************************************************/
-/* Note that these functions take a shortcut (mc.copy instead of actual pixel prediction) which assumes
- * that the edge pixels of the reconstructed frame are the same as that of the source frame. This means
- * they will only work correctly if the neighboring blocks are losslessly coded. In practice, this means
- * lossless mode cannot be mixed with lossy mode within a frame. */
-/* This can be resolved by explicitly copying the edge pixels after doing the mc.copy, but this doesn't
- * need to be done unless we decide to allow mixing lossless and lossy compression. */
-
void x264_predict_lossless_8x8_chroma( x264_t *h, int i_mode )
{
- int stride = h->fenc->i_stride[1] << h->mb.b_interlaced;
if( i_mode == I_PRED_CHROMA_V )
{
- h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc_plane[1]-stride, stride, 8 );
- h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc_plane[2]-stride, stride, 8 );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc[1]-FENC_STRIDE, FENC_STRIDE, 8 );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc[2]-FENC_STRIDE, FENC_STRIDE, 8 );
+ memcpy( h->mb.pic.p_fdec[1], h->mb.pic.p_fdec[1]-FDEC_STRIDE, 8*sizeof(pixel) );
+ memcpy( h->mb.pic.p_fdec[2], h->mb.pic.p_fdec[2]-FDEC_STRIDE, 8*sizeof(pixel) );
}
else if( i_mode == I_PRED_CHROMA_H )
{
- h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc_plane[1]-1, stride, 8 );
- h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc_plane[2]-1, stride, 8 );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc[1]-1, FENC_STRIDE, 8 );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc[2]-1, FENC_STRIDE, 8 );
+ x264_copy_column8( h->mb.pic.p_fdec[1]+4*FDEC_STRIDE, h->mb.pic.p_fdec[1]+4*FDEC_STRIDE-1 );
+ x264_copy_column8( h->mb.pic.p_fdec[2]+4*FDEC_STRIDE, h->mb.pic.p_fdec[2]+4*FDEC_STRIDE-1 );
}
else
{
}
}
-void x264_predict_lossless_4x4( x264_t *h, uint8_t *p_dst, int idx, int i_mode )
+void x264_predict_lossless_4x4( x264_t *h, pixel *p_dst, int idx, int i_mode )
{
int stride = h->fenc->i_stride[0] << h->mb.b_interlaced;
- uint8_t *p_src = h->mb.pic.p_fenc_plane[0] + block_idx_x[idx]*4 + block_idx_y[idx]*4 * stride;
+ pixel *p_src = h->mb.pic.p_fenc_plane[0] + block_idx_x[idx]*4 + block_idx_y[idx]*4 * stride;
if( i_mode == I_PRED_4x4_V )
h->mc.copy[PIXEL_4x4]( p_dst, FDEC_STRIDE, p_src-stride, stride, 4 );
h->predict_4x4[i_mode]( p_dst );
}
-void x264_predict_lossless_8x8( x264_t *h, uint8_t *p_dst, int idx, int i_mode, uint8_t edge[33] )
+void x264_predict_lossless_8x8( x264_t *h, pixel *p_dst, int idx, int i_mode, pixel edge[33] )
{
int stride = h->fenc->i_stride[0] << h->mb.b_interlaced;
- uint8_t *p_src = h->mb.pic.p_fenc_plane[0] + (idx&1)*8 + (idx>>1)*8*stride;
+ pixel *p_src = h->mb.pic.p_fenc_plane[0] + (idx&1)*8 + (idx>>1)*8*stride;
if( i_mode == I_PRED_8x8_V )
h->mc.copy[PIXEL_8x8]( p_dst, FDEC_STRIDE, p_src-stride, stride, 8 );
*****************************************************************************/
void x264_macroblock_encode( x264_t *h )
{
- int i_cbp_dc = 0;
int i_qp = h->mb.i_qp;
- int b_decimate = h->sh.i_type == SLICE_TYPE_B || h->param.analyse.b_dct_decimate;
+ int b_decimate = h->mb.b_dct_decimate;
int b_force_no_skip = 0;
- int i,idx,nz;
+ int nz;
h->mb.i_cbp_luma = 0;
h->mb.cache.non_zero_count[x264_scan8[24]] = 0;
+ if( h->mb.i_type == I_PCM )
+ {
+ /* if PCM is chosen, we need to store reconstructed frame data */
+ h->mc.copy[PIXEL_16x16]( h->mb.pic.p_fdec[0], FDEC_STRIDE, h->mb.pic.p_fenc[0], FENC_STRIDE, 16 );
+ h->mc.copy[PIXEL_8x8] ( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc[1], FENC_STRIDE, 8 );
+ h->mc.copy[PIXEL_8x8] ( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc[2], FENC_STRIDE, 8 );
+ return;
+ }
+
if( h->sh.b_mbaff
&& h->mb.i_mb_xy == h->sh.i_first_mb + h->mb.i_mb_stride
&& IS_SKIP(h->mb.type[h->sh.i_first_mb]) )
}
else if( h->mb.i_type == I_8x8 )
{
- ALIGNED_ARRAY_16( uint8_t, edge,[33] );
+ ALIGNED_ARRAY_16( pixel, edge,[33] );
h->mb.b_transform_8x8 = 1;
/* If we already encoded 3 of the 4 i8x8 blocks, we don't have to do them again. */
if( h->mb.i_skip_intra )
{
h->mc.copy[PIXEL_16x16]( h->mb.pic.p_fdec[0], FDEC_STRIDE, h->mb.pic.i8x8_fdec_buf, 16, 16 );
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]] = h->mb.pic.i8x8_nnz_buf[0];
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]] = h->mb.pic.i8x8_nnz_buf[1];
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]] = h->mb.pic.i8x8_nnz_buf[2];
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]] = h->mb.pic.i8x8_nnz_buf[3];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 0]] ) = h->mb.pic.i8x8_nnz_buf[0];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 2]] ) = h->mb.pic.i8x8_nnz_buf[1];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 8]] ) = h->mb.pic.i8x8_nnz_buf[2];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[10]] ) = h->mb.pic.i8x8_nnz_buf[3];
h->mb.i_cbp_luma = h->mb.pic.i8x8_cbp;
/* In RD mode, restore the now-overwritten DCT data. */
if( h->mb.i_skip_intra == 2 )
h->mc.memcpy_aligned( h->dct.luma8x8, h->mb.pic.i8x8_dct_buf, sizeof(h->mb.pic.i8x8_dct_buf) );
}
- for( i = h->mb.i_skip_intra ? 3 : 0 ; i < 4; i++ )
+ for( int i = h->mb.i_skip_intra ? 3 : 0 ; i < 4; i++ )
{
- uint8_t *p_dst = &h->mb.pic.p_fdec[0][8 * (i&1) + 8 * (i>>1) * FDEC_STRIDE];
- int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[4*i]];
+ pixel *p_dst = &h->mb.pic.p_fdec[0][8 * (i&1) + 8 * (i>>1) * FDEC_STRIDE];
+ int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[4*i]];
h->predict_8x8_filter( p_dst, edge, h->mb.i_neighbour8[i], x264_pred_i4x4_neighbors[i_mode] );
if( h->mb.b_lossless )
if( h->mb.i_skip_intra )
{
h->mc.copy[PIXEL_16x16]( h->mb.pic.p_fdec[0], FDEC_STRIDE, h->mb.pic.i4x4_fdec_buf, 16, 16 );
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]] = h->mb.pic.i4x4_nnz_buf[0];
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]] = h->mb.pic.i4x4_nnz_buf[1];
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]] = h->mb.pic.i4x4_nnz_buf[2];
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]] = h->mb.pic.i4x4_nnz_buf[3];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 0]] ) = h->mb.pic.i4x4_nnz_buf[0];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 2]] ) = h->mb.pic.i4x4_nnz_buf[1];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[ 8]] ) = h->mb.pic.i4x4_nnz_buf[2];
+ M32( &h->mb.cache.non_zero_count[x264_scan8[10]] ) = h->mb.pic.i4x4_nnz_buf[3];
h->mb.i_cbp_luma = h->mb.pic.i4x4_cbp;
/* In RD mode, restore the now-overwritten DCT data. */
if( h->mb.i_skip_intra == 2 )
h->mc.memcpy_aligned( h->dct.luma4x4, h->mb.pic.i4x4_dct_buf, sizeof(h->mb.pic.i4x4_dct_buf) );
}
- for( i = h->mb.i_skip_intra ? 15 : 0 ; i < 16; i++ )
+ for( int i = h->mb.i_skip_intra ? 15 : 0 ; i < 16; i++ )
{
- uint8_t *p_dst = &h->mb.pic.p_fdec[0][block_idx_xy_fdec[i]];
- int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[i]];
+ pixel *p_dst = &h->mb.pic.p_fdec[0][block_idx_xy_fdec[i]];
+ int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[i]];
if( (h->mb.i_neighbour4[i] & (MB_TOPRIGHT|MB_TOP)) == MB_TOP )
/* emulate missing topright samples */
- *(uint32_t*) &p_dst[4-FDEC_STRIDE] = p_dst[3-FDEC_STRIDE] * 0x01010101U;
+ MPIXEL_X4( &p_dst[4-FDEC_STRIDE] ) = PIXEL_SPLAT_X4( p_dst[3-FDEC_STRIDE] );
if( h->mb.b_lossless )
x264_predict_lossless_4x4( h, p_dst, i, i_mode );
}
else /* Inter MB */
{
- int i8x8, i4x4;
int i_decimate_mb = 0;
/* Don't repeat motion compensation if it was already done in non-RD transform analysis */
if( h->mb.b_lossless )
{
if( h->mb.b_transform_8x8 )
- for( i8x8 = 0; i8x8 < 4; i8x8++ )
+ for( int i8x8 = 0; i8x8 < 4; i8x8++ )
{
- int x = 8*(i8x8&1);
- int y = 8*(i8x8>>1);
- nz = h->zigzagf.sub_8x8( h->dct.luma8x8[i8x8],
- h->mb.pic.p_fenc[0]+x+y*FENC_STRIDE,
- h->mb.pic.p_fdec[0]+x+y*FDEC_STRIDE );
- STORE_8x8_NNZ(i8x8,nz);
+ int x = i8x8&1;
+ int y = i8x8>>1;
+ int s8 = X264_SCAN8_0 + 2*x + 16*y;
+
+ nz = h->zigzagf.sub_8x8( h->dct.luma8x8[i8x8], h->mb.pic.p_fenc[0] + 8*x + 8*y*FENC_STRIDE,
+ h->mb.pic.p_fdec[0] + 8*x + 8*y*FDEC_STRIDE );
+ STORE_8x8_NNZ( s8, nz );
h->mb.i_cbp_luma |= nz << i8x8;
}
else
- for( i4x4 = 0; i4x4 < 16; i4x4++ )
+ for( int i4x4 = 0; i4x4 < 16; i4x4++ )
{
nz = h->zigzagf.sub_4x4( h->dct.luma4x4[i4x4],
h->mb.pic.p_fenc[0]+block_idx_xy_fenc[i4x4],
}
else if( h->mb.b_transform_8x8 )
{
- ALIGNED_ARRAY_16( int16_t, dct8x8,[4],[8][8] );
- b_decimate &= !h->mb.b_trellis; // 8x8 trellis is inherently optimal decimation
+ ALIGNED_ARRAY_16( dctcoef, dct8x8,[4],[64] );
+ b_decimate &= !h->mb.b_trellis || !h->param.b_cabac; // 8x8 trellis is inherently optimal decimation for CABAC
h->dctf.sub16x16_dct8( dct8x8, h->mb.pic.p_fenc[0], h->mb.pic.p_fdec[0] );
h->nr_count[1] += h->mb.b_noise_reduction * 4;
- for( idx = 0; idx < 4; idx++ )
+ for( int idx = 0; idx < 4; idx++ )
{
- if( h->mb.b_noise_reduction )
- h->quantf.denoise_dct( *dct8x8[idx], h->nr_residual_sum[1], h->nr_offset[1], 64 );
nz = x264_quant_8x8( h, dct8x8[idx], i_qp, 0, idx );
if( nz )
if( i_decimate_mb < 6 && b_decimate )
{
h->mb.i_cbp_luma = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]] = 0;
+ CLEAR_16x16_NNZ
}
else
{
- for( idx = 0; idx < 4; idx++ )
+ for( int idx = 0; idx < 4; idx++ )
{
+ int x = idx&1;
+ int y = idx>>1;
+ int s8 = X264_SCAN8_0 + 2*x + 16*y;
+
if( h->mb.i_cbp_luma&(1<<idx) )
{
h->quantf.dequant_8x8( dct8x8[idx], h->dequant8_mf[CQM_8PY], i_qp );
- h->dctf.add8x8_idct8( &h->mb.pic.p_fdec[0][(idx&1)*8 + (idx>>1)*8*FDEC_STRIDE], dct8x8[idx] );
- STORE_8x8_NNZ(idx,1);
+ h->dctf.add8x8_idct8( &h->mb.pic.p_fdec[0][8*x + 8*y*FDEC_STRIDE], dct8x8[idx] );
+ STORE_8x8_NNZ( s8, 1 );
}
else
- STORE_8x8_NNZ(idx,0);
+ STORE_8x8_NNZ( s8, 0 );
}
}
}
else
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[16],[4][4] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16],[16] );
h->dctf.sub16x16_dct( dct4x4, h->mb.pic.p_fenc[0], h->mb.pic.p_fdec[0] );
h->nr_count[0] += h->mb.b_noise_reduction * 16;
- for( i8x8 = 0; i8x8 < 4; i8x8++ )
+ for( int i8x8 = 0; i8x8 < 4; i8x8++ )
{
int i_decimate_8x8 = 0;
int cbp = 0;
/* encode one 4x4 block */
- for( i4x4 = 0; i4x4 < 4; i4x4++ )
+ for( int i4x4 = 0; i4x4 < 4; i4x4++ )
{
- idx = i8x8 * 4 + i4x4;
+ int idx = i8x8 * 4 + i4x4;
- if( h->mb.b_noise_reduction )
- h->quantf.denoise_dct( *dct4x4[idx], h->nr_residual_sum[0], h->nr_offset[0], 16 );
nz = x264_quant_4x4( h, dct4x4[idx], i_qp, DCT_LUMA_4x4, 0, idx );
h->mb.cache.non_zero_count[x264_scan8[idx]] = nz;
}
}
+ int x = i8x8&1;
+ int y = i8x8>>1;
+
/* decimate this 8x8 block */
i_decimate_mb += i_decimate_8x8;
if( b_decimate )
{
if( i_decimate_8x8 < 4 )
- STORE_8x8_NNZ(i8x8,0)
+ {
+ int s8 = X264_SCAN8_0 + 2*x + 16*y;
+ STORE_8x8_NNZ( s8, 0 );
+ }
else
h->mb.i_cbp_luma |= 1<<i8x8;
}
else if( cbp )
{
- h->dctf.add8x8_idct( &h->mb.pic.p_fdec[0][(i8x8&1)*8 + (i8x8>>1)*8*FDEC_STRIDE], &dct4x4[i8x8*4] );
+ h->dctf.add8x8_idct( &h->mb.pic.p_fdec[0][8*x + 8*y*FDEC_STRIDE], &dct4x4[i8x8*4] );
h->mb.i_cbp_luma |= 1<<i8x8;
}
}
if( i_decimate_mb < 6 )
{
h->mb.i_cbp_luma = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 0]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 2]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[ 8]] = 0;
- *(uint32_t*)&h->mb.cache.non_zero_count[x264_scan8[10]] = 0;
+ CLEAR_16x16_NNZ
}
else
{
- for( i8x8 = 0; i8x8 < 4; i8x8++ )
+ for( int i8x8 = 0; i8x8 < 4; i8x8++ )
if( h->mb.i_cbp_luma&(1<<i8x8) )
h->dctf.add8x8_idct( &h->mb.pic.p_fdec[0][(i8x8&1)*8 + (i8x8>>1)*8*FDEC_STRIDE], &dct4x4[i8x8*4] );
}
/* encode the 8x8 blocks */
x264_mb_encode_8x8_chroma( h, !IS_INTRA( h->mb.i_type ), h->mb.i_chroma_qp );
- if( h->param.b_cabac )
- {
- i_cbp_dc = h->mb.cache.non_zero_count[x264_scan8[24]]
- | h->mb.cache.non_zero_count[x264_scan8[25]] << 1
- | h->mb.cache.non_zero_count[x264_scan8[26]] << 2;
- }
-
/* store cbp */
- h->mb.cbp[h->mb.i_mb_xy] = (i_cbp_dc << 8) | (h->mb.i_cbp_chroma << 4) | h->mb.i_cbp_luma;
+ int cbp = h->mb.i_cbp_chroma << 4 | h->mb.i_cbp_luma;
+ if( h->param.b_cabac )
+ cbp |= h->mb.cache.non_zero_count[x264_scan8[24]] << 8
+ | h->mb.cache.non_zero_count[x264_scan8[25]] << 9
+ | h->mb.cache.non_zero_count[x264_scan8[26]] << 10;
+ h->mb.cbp[h->mb.i_mb_xy] = cbp;
/* Check for P_SKIP
* XXX: in the me perhaps we should take x264_mb_predict_mv_pskip into account
{
if( h->mb.i_type == P_L0 && h->mb.i_partition == D_16x16 &&
!(h->mb.i_cbp_luma | h->mb.i_cbp_chroma) &&
- *(uint32_t*)h->mb.cache.mv[0][x264_scan8[0]] == *(uint32_t*)h->mb.cache.pskip_mv
+ M32( h->mb.cache.mv[0][x264_scan8[0]] ) == M32( h->mb.cache.pskip_mv )
&& h->mb.cache.ref[0][x264_scan8[0]] == 0 )
{
h->mb.i_type = P_SKIP;
/*****************************************************************************
* x264_macroblock_probe_skip:
- * Check if the current MB could be encoded as a [PB]_SKIP (it supposes you use
- * the previous QP
+ * Check if the current MB could be encoded as a [PB]_SKIP
*****************************************************************************/
int x264_macroblock_probe_skip( x264_t *h, int b_bidir )
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[4][4] );
- ALIGNED_ARRAY_16( int16_t, dct2x2,[2],[2] );
- ALIGNED_ARRAY_16( int16_t, dctscan,[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct2x2,[4] );
+ ALIGNED_ARRAY_16( dctcoef, dctscan,[16] );
+ ALIGNED_4( int16_t mvp[2] );
int i_qp = h->mb.i_qp;
- int mvp[2];
- int ch, thresh, ssd;
-
- int i8x8, i4x4;
- int i_decimate_mb;
+ int thresh, ssd;
if( !b_bidir )
{
/* Motion compensation */
h->mc.mc_luma( h->mb.pic.p_fdec[0], FDEC_STRIDE,
h->mb.pic.p_fref[0][0], h->mb.pic.i_stride[0],
- mvp[0], mvp[1], 16, 16 );
+ mvp[0], mvp[1], 16, 16, &h->sh.weight[0][0] );
}
- for( i8x8 = 0, i_decimate_mb = 0; i8x8 < 4; i8x8++ )
+ for( int i8x8 = 0, i_decimate_mb = 0; i8x8 < 4; i8x8++ )
{
int fenc_offset = (i8x8&1) * 8 + (i8x8>>1) * FENC_STRIDE * 8;
int fdec_offset = (i8x8&1) * 8 + (i8x8>>1) * FDEC_STRIDE * 8;
h->dctf.sub8x8_dct( dct4x4, h->mb.pic.p_fenc[0] + fenc_offset,
h->mb.pic.p_fdec[0] + fdec_offset );
/* encode one 4x4 block */
- for( i4x4 = 0; i4x4 < 4; i4x4++ )
+ for( int i4x4 = 0; i4x4 < 4; i4x4++ )
{
+ if( h->mb.b_noise_reduction )
+ h->quantf.denoise_dct( dct4x4[i4x4], h->nr_residual_sum[0], h->nr_offset[0], 16 );
if( !h->quantf.quant_4x4( dct4x4[i4x4], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] ) )
continue;
h->zigzagf.scan_4x4( dctscan, dct4x4[i4x4] );
i_qp = h->mb.i_chroma_qp;
thresh = (x264_lambda2_tab[i_qp] + 32) >> 6;
- for( ch = 0; ch < 2; ch++ )
+ if( !b_bidir )
{
- uint8_t *p_src = h->mb.pic.p_fenc[1+ch];
- uint8_t *p_dst = h->mb.pic.p_fdec[1+ch];
-
- if( !b_bidir )
- {
- h->mc.mc_chroma( h->mb.pic.p_fdec[1+ch], FDEC_STRIDE,
- h->mb.pic.p_fref[0][0][4+ch], h->mb.pic.i_stride[1+ch],
+ /* Special case for mv0, which is (of course) very common in P-skip mode. */
+ if( M32( mvp ) )
+ h->mc.mc_chroma( h->mb.pic.p_fdec[1], h->mb.pic.p_fdec[2], FDEC_STRIDE,
+ h->mb.pic.p_fref[0][0][4], h->mb.pic.i_stride[1],
mvp[0], mvp[1], 8, 8 );
- }
+ else
+ h->mc.load_deinterleave_8x8x2_fdec( h->mb.pic.p_fdec[1], h->mb.pic.p_fref[0][0][4], h->mb.pic.i_stride[1] );
+ }
+
+ for( int ch = 0; ch < 2; ch++ )
+ {
+ pixel *p_src = h->mb.pic.p_fenc[1+ch];
+ pixel *p_dst = h->mb.pic.p_fdec[1+ch];
+
+ if( !b_bidir && h->sh.weight[0][1+ch].weightfn )
+ h->sh.weight[0][1+ch].weightfn[8>>2]( h->mb.pic.p_fdec[1+ch], FDEC_STRIDE,
+ h->mb.pic.p_fdec[1+ch], FDEC_STRIDE,
+ &h->sh.weight[0][1+ch], 8 );
/* there is almost never a termination during chroma, but we can't avoid the check entirely */
/* so instead we check SSD and skip the actual check if the score is low enough. */
if( ssd < thresh )
continue;
- h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+ /* The vast majority of chroma checks will terminate during the DC check or the higher
+ * threshold check, so we can save time by doing a DC-only DCT. */
+ if( h->mb.b_noise_reduction )
+ {
+ h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+ for( int i4x4 = 0; i4x4 < 4; i4x4++ )
+ {
+ h->quantf.denoise_dct( dct4x4[i4x4], h->nr_residual_sum[2], h->nr_offset[2], 16 );
+ dct2x2[i4x4] = dct4x4[i4x4][0];
+ }
+ }
+ else
+ h->dctf.sub8x8_dct_dc( dct2x2, p_src, p_dst );
- /* calculate dct DC */
- dct2x2dc( dct2x2, dct4x4 );
if( h->quantf.quant_2x2_dc( dct2x2, h->quant4_mf[CQM_4PC][i_qp][0]>>1, h->quant4_bias[CQM_4PC][i_qp][0]<<1 ) )
return 0;
if( ssd < thresh*4 )
continue;
+ if( !h->mb.b_noise_reduction )
+ h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+
/* calculate dct coeffs */
- for( i4x4 = 0, i_decimate_mb = 0; i4x4 < 4; i4x4++ )
+ for( int i4x4 = 0, i_decimate_mb = 0; i4x4 < 4; i4x4++ )
{
+ dct4x4[i4x4][0] = 0;
+ if( h->mb.b_noise_reduction )
+ h->quantf.denoise_dct( dct4x4[i4x4], h->nr_residual_sum[2], h->nr_offset[2], 16 );
if( !h->quantf.quant_4x4( dct4x4[i4x4], h->quant4_mf[CQM_4PC][i_qp], h->quant4_bias[CQM_4PC][i_qp] ) )
continue;
h->zigzagf.scan_4x4( dctscan, dct4x4[i4x4] );
void x264_noise_reduction_update( x264_t *h )
{
- int cat, i;
- for( cat = 0; cat < 2; cat++ )
+ h->nr_offset = h->nr_offset_denoise;
+ h->nr_residual_sum = h->nr_residual_sum_buf[0];
+ h->nr_count = h->nr_count_buf[0];
+ for( int cat = 0; cat < 3; cat++ )
{
- int size = cat ? 64 : 16;
- const uint16_t *weight = cat ? x264_dct8_weight2_tab : x264_dct4_weight2_tab;
+ int dct8x8 = cat == 1;
+ int size = dct8x8 ? 64 : 16;
+ const uint16_t *weight = dct8x8 ? x264_dct8_weight2_tab : x264_dct4_weight2_tab;
- if( h->nr_count[cat] > (cat ? (1<<16) : (1<<18)) )
+ if( h->nr_count[cat] > (dct8x8 ? (1<<16) : (1<<18)) )
{
- for( i = 0; i < size; i++ )
+ for( int i = 0; i < size; i++ )
h->nr_residual_sum[cat][i] >>= 1;
h->nr_count[cat] >>= 1;
}
- for( i = 0; i < size; i++ )
+ for( int i = 0; i < size; i++ )
h->nr_offset[cat][i] =
((uint64_t)h->param.analyse.i_noise_reduction * h->nr_count[cat]
+ h->nr_residual_sum[cat][i]/2)
/ ((uint64_t)h->nr_residual_sum[cat][i] * weight[i]/256 + 1);
+
+ /* Don't denoise DC coefficients */
+ h->nr_offset[cat][0] = 0;
}
}
void x264_macroblock_encode_p8x8( x264_t *h, int i8 )
{
int i_qp = h->mb.i_qp;
- uint8_t *p_fenc = h->mb.pic.p_fenc[0] + (i8&1)*8 + (i8>>1)*8*FENC_STRIDE;
- uint8_t *p_fdec = h->mb.pic.p_fdec[0] + (i8&1)*8 + (i8>>1)*8*FDEC_STRIDE;
- int b_decimate = h->sh.i_type == SLICE_TYPE_B || h->param.analyse.b_dct_decimate;
+ int x = i8&1;
+ int y = i8>>1;
+ int s8 = X264_SCAN8_0 + 2*x + 16*y;
+ pixel *p_fenc = h->mb.pic.p_fenc[0] + 8*x + 8*y*FENC_STRIDE;
+ pixel *p_fdec = h->mb.pic.p_fdec[0] + 8*x + 8*y*FDEC_STRIDE;
+ int b_decimate = h->mb.b_dct_decimate;
int nnz8x8 = 0;
- int ch, nz;
+ int nz;
if( !h->mb.b_skip_mc )
x264_mb_mc_8x8( h, i8 );
if( h->mb.b_lossless )
{
- int i4;
if( h->mb.b_transform_8x8 )
{
nnz8x8 = h->zigzagf.sub_8x8( h->dct.luma8x8[i8], p_fenc, p_fdec );
- STORE_8x8_NNZ(i8,nnz8x8);
+ STORE_8x8_NNZ( s8, nnz8x8 );
}
else
{
- for( i4 = i8*4; i4 < i8*4+4; i4++ )
+ for( int i4 = i8*4; i4 < i8*4+4; i4++ )
{
- int nz;
nz = h->zigzagf.sub_4x4( h->dct.luma4x4[i4],
h->mb.pic.p_fenc[0]+block_idx_xy_fenc[i4],
h->mb.pic.p_fdec[0]+block_idx_xy_fdec[i4] );
nnz8x8 |= nz;
}
}
- for( ch = 0; ch < 2; ch++ )
+ for( int ch = 0; ch < 2; ch++ )
{
- int16_t dc;
- p_fenc = h->mb.pic.p_fenc[1+ch] + (i8&1)*4 + (i8>>1)*4*FENC_STRIDE;
- p_fdec = h->mb.pic.p_fdec[1+ch] + (i8&1)*4 + (i8>>1)*4*FDEC_STRIDE;
+ dctcoef dc;
+ p_fenc = h->mb.pic.p_fenc[1+ch] + 4*x + 4*y*FENC_STRIDE;
+ p_fdec = h->mb.pic.p_fdec[1+ch] + 4*x + 4*y*FDEC_STRIDE;
nz = h->zigzagf.sub_4x4ac( h->dct.luma4x4[16+i8+ch*4], p_fenc, p_fdec, &dc );
h->mb.cache.non_zero_count[x264_scan8[16+i8+ch*4]] = nz;
}
{
if( h->mb.b_transform_8x8 )
{
- ALIGNED_ARRAY_16( int16_t, dct8x8,[8],[8] );
+ ALIGNED_ARRAY_16( dctcoef, dct8x8,[64] );
h->dctf.sub8x8_dct8( dct8x8, p_fenc, p_fdec );
nnz8x8 = x264_quant_8x8( h, dct8x8, i_qp, 0, i8 );
if( nnz8x8 )
{
h->quantf.dequant_8x8( dct8x8, h->dequant8_mf[CQM_8PY], i_qp );
h->dctf.add8x8_idct8( p_fdec, dct8x8 );
- STORE_8x8_NNZ(i8,1);
+ STORE_8x8_NNZ( s8, 1 );
}
else
- STORE_8x8_NNZ(i8,0);
+ STORE_8x8_NNZ( s8, 0 );
}
else
- STORE_8x8_NNZ(i8,0);
+ STORE_8x8_NNZ( s8, 0 );
}
else
{
- int i4;
int i_decimate_8x8 = 0;
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[4][4] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
h->dctf.sub8x8_dct( dct4x4, p_fenc, p_fdec );
- for( i4 = 0; i4 < 4; i4++ )
+ for( int i4 = 0; i4 < 4; i4++ )
{
nz = x264_quant_4x4( h, dct4x4[i4], i_qp, DCT_LUMA_4x4, 0, i8*4+i4 );
h->mb.cache.non_zero_count[x264_scan8[i8*4+i4]] = nz;
if( nnz8x8 )
h->dctf.add8x8_idct( p_fdec, dct4x4 );
else
- STORE_8x8_NNZ(i8,0);
+ STORE_8x8_NNZ( s8, 0 );
}
i_qp = h->mb.i_chroma_qp;
- for( ch = 0; ch < 2; ch++ )
+ for( int ch = 0; ch < 2; ch++ )
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[4] );
- p_fenc = h->mb.pic.p_fenc[1+ch] + (i8&1)*4 + (i8>>1)*4*FENC_STRIDE;
- p_fdec = h->mb.pic.p_fdec[1+ch] + (i8&1)*4 + (i8>>1)*4*FDEC_STRIDE;
-
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16] );
+ p_fenc = h->mb.pic.p_fenc[1+ch] + 4*x + 4*y*FENC_STRIDE;
+ p_fdec = h->mb.pic.p_fdec[1+ch] + 4*x + 4*y*FDEC_STRIDE;
h->dctf.sub4x4_dct( dct4x4, p_fenc, p_fdec );
- dct4x4[0][0] = 0;
+ if( h->mb.b_noise_reduction )
+ h->quantf.denoise_dct( dct4x4, h->nr_residual_sum[2], h->nr_offset[2], 16 );
+ dct4x4[0] = 0;
if( h->mb.b_trellis )
nz = x264_quant_4x4_trellis( h, dct4x4, CQM_4PC, i_qp, DCT_CHROMA_AC, 0, 1, 0 );
void x264_macroblock_encode_p4x4( x264_t *h, int i4 )
{
int i_qp = h->mb.i_qp;
- uint8_t *p_fenc = &h->mb.pic.p_fenc[0][block_idx_xy_fenc[i4]];
- uint8_t *p_fdec = &h->mb.pic.p_fdec[0][block_idx_xy_fdec[i4]];
- const int i_ref = h->mb.cache.ref[0][x264_scan8[i4]];
- const int mvx = x264_clip3( h->mb.cache.mv[0][x264_scan8[i4]][0], h->mb.mv_min[0], h->mb.mv_max[0] );
- const int mvy = x264_clip3( h->mb.cache.mv[0][x264_scan8[i4]][1], h->mb.mv_min[1], h->mb.mv_max[1] );
+ pixel *p_fenc = &h->mb.pic.p_fenc[0][block_idx_xy_fenc[i4]];
+ pixel *p_fdec = &h->mb.pic.p_fdec[0][block_idx_xy_fdec[i4]];
int nz;
- h->mc.mc_luma( p_fdec, FDEC_STRIDE, h->mb.pic.p_fref[0][i_ref], h->mb.pic.i_stride[0], mvx + 4*4*block_idx_x[i4], mvy + 4*4*block_idx_y[i4], 4, 4 );
+ /* Don't need motion compensation as this function is only used in qpel-RD, which caches pixel data. */
if( h->mb.b_lossless )
{
}
else
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[4] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16] );
h->dctf.sub4x4_dct( dct4x4, p_fenc, p_fdec );
nz = x264_quant_4x4( h, dct4x4, i_qp, DCT_LUMA_4x4, 0, i4 );
h->mb.cache.non_zero_count[x264_scan8[i4]] = nz;