/*****************************************************************************
- * 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*2+y];
-static inline void zigzag_scan_2x2_dc( int16_t level[4], int16_t dct[4] )
+static inline void zigzag_scan_2x2_dc( dctcoef level[4], dctcoef dct[4] )
{
ZIG(0,0,0)
ZIG(1,0,1)
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[4], int16_t dct4x4[4][16], int dequant_mf[6][16], 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] = (d0 + d1) * dmf >> 5;
dct4x4[3][0] = (d2 - d3) * dmf >> 5;
}
-static inline void idct_dequant_2x2_dconly( int16_t out[4], int16_t dct[4], int dequant_mf[6][16], 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
out[0] = (d0 + d1) * dmf >> 5;
out[3] = (d2 - d3) * dmf >> 5;
}
-static inline void dct2x2dc( int16_t d[4], int16_t dct4x4[4][16] )
+static inline void dct2x2dc( dctcoef d[4], dctcoef dct4x4[4][16] )
{
int d0 = dct4x4[0][0] + dct4x4[1][0];
int d1 = dct4x4[2][0] + dct4x4[3][0];
dct4x4[3][0] = 0;
}
-static ALWAYS_INLINE int x264_quant_4x4( x264_t *h, int16_t dct[16], 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[64], 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
int nz;
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( int16_t, dct4x4,[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16] );
if( h->mb.b_lossless )
{
int nz;
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( int16_t, dct8x8,[64] );
+ ALIGNED_ARRAY_16( dctcoef, dct8x8,[64] );
if( h->mb.b_lossless )
{
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],[16] );
- ALIGNED_ARRAY_16( int16_t, dct_dc4x4,[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[16],[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct_dc4x4,[16] );
int nz;
int decimate_score = h->mb.b_dct_decimate ? 0 : 9;
for( int i = 0; i < 16; i++ )
{
/* copy dc coeff */
+ 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;
h->dctf.add16x16_idct_dc( p_dst, dct_dc4x4 );
}
-static inline int idct_dequant_round_2x2_dc( int16_t ref[4], int16_t dct[4], int dequant_mf[6][16], int i_qp )
-{
- int16_t out[4];
- idct_dequant_2x2_dconly( out, dct, dequant_mf, i_qp );
- return ((ref[0] ^ (out[0]+32))
- | (ref[1] ^ (out[1]+32))
- | (ref[2] ^ (out[2]+32))
- | (ref[3] ^ (out[3]+32))) >> 6;
-}
-
/* 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 inline int x264_mb_optimize_chroma_dc( x264_t *h, int b_inter, int i_qp, int16_t dct2x2[4] )
+static ALWAYS_INLINE int x264_mb_optimize_chroma_dc( x264_t *h, dctcoef dct2x2[4], int dequant_mf[6][16], int i_qp )
{
- int16_t dct2x2_orig[4];
- int coeff, nz;
+ 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( h->dequant4_mf[CQM_4IC + b_inter][i_qp%6][0] << (i_qp/6) > 32*64 )
+ if( dmf > 32*64 )
return 1;
- idct_dequant_2x2_dconly( dct2x2_orig, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
- dct2x2_orig[0] += 32;
- dct2x2_orig[1] += 32;
- dct2x2_orig[2] += 32;
- dct2x2_orig[3] += 32;
-
- /* If the DC coefficients already round to zero, terminate early. */
- if( !((dct2x2_orig[0]|dct2x2_orig[1]|dct2x2_orig[2]|dct2x2_orig[3])>>6) )
- return 0;
-
- /* Start with the highest frequency coefficient... is this the best option? */
- for( nz = 0, coeff = h->quantf.coeff_last[DCT_CHROMA_DC]( dct2x2 ); coeff >= 0; coeff-- )
- {
- int level = dct2x2[coeff];
- int sign = level>>31 | 1; /* dct2x2[coeff] < 0 ? -1 : 1 */
-
- while( level )
- {
- dct2x2[coeff] = level - sign;
- if( idct_dequant_round_2x2_dc( dct2x2_orig, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp ) )
- {
- nz = 1;
- dct2x2[coeff] = level;
- break;
- }
- level -= sign;
- }
- }
-
- return nz;
+ return h->quantf.optimize_chroma_dc( dct2x2, dmf );
}
void x264_mb_encode_8x8_chroma( x264_t *h, int b_inter, int i_qp )
{
int nz, nz_dc;
int b_decimate = b_inter && h->mb.b_dct_decimate;
- ALIGNED_ARRAY_16( int16_t, dct2x2,[4] );
+ 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];
if( nz_dc )
{
- if( !x264_mb_optimize_chroma_dc( h, b_inter, i_qp, dct2x2 ) )
+ 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 );
int i_decimate_score = 0;
int nz_ac = 0;
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
if( h->mb.b_lossless )
{
}
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( int i = 0; i < 4; i++ )
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, b_inter, i_qp, dct2x2 ) )
+ 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;
/* 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], FDEC_STRIDE,
+ 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 );
- 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 );
- }
else
- {
- h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fref[0][0][4], h->mb.pic.i_stride[1], 8 );
- h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fref[0][0][5], h->mb.pic.i_stride[2], 8 );
- }
+ 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,
* 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
{
}
else if( h->mb.b_transform_8x8 )
{
- ALIGNED_ARRAY_16( int16_t, dct8x8,[4],[64] );
- 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( 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 )
}
else
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[16],[16] );
+ 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;
{
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 x264_macroblock_probe_skip( x264_t *h, int b_bidir )
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[16] );
- ALIGNED_ARRAY_16( int16_t, dct2x2,[4] );
- 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;
/* encode one 4x4 block */
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;
+ if( !b_bidir )
+ {
+ /* 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 )
- {
- /* 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+ch], FDEC_STRIDE,
- h->mb.pic.p_fref[0][0][4+ch], h->mb.pic.i_stride[1+ch],
- mvp[0], mvp[1], 8, 8 );
- }
- else
- h->mc.copy[PIXEL_8x8]( 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], 8 );
-
- if( 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 );
- }
+ 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. */
/* 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. */
- h->dctf.sub8x8_dct_dc( dct2x2, p_src, p_dst );
+ 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 );
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;
- h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+ if( !h->mb.b_noise_reduction )
+ h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
/* calculate dct coeffs */
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 )
{
- for( int 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( int i = 0; i < size; i++ )
h->nr_residual_sum[cat][i] >>= 1;
((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;
}
}
}
for( int ch = 0; ch < 2; ch++ )
{
- int16_t dc;
+ 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 );
{
if( h->mb.b_transform_8x8 )
{
- ALIGNED_ARRAY_16( int16_t, dct8x8,[64] );
+ 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 )
else
{
int i_decimate_8x8 = 0;
- ALIGNED_ARRAY_16( int16_t, dct4x4,[4],[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
h->dctf.sub8x8_dct( dct4x4, p_fenc, p_fdec );
for( int i4 = 0; i4 < 4; i4++ )
{
for( int ch = 0; ch < 2; ch++ )
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[16] );
+ 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 );
+ 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 )
}
else
{
- ALIGNED_ARRAY_16( int16_t, dct4x4,[16] );
+ 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;
projects / x264 / blobdiff