* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
* Fiona Glaser <fiona@x264.com>
+ * Henrik Gramner <hengar-6@student.ltu.se>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
}
#undef ZIG
-#define IDCT_DEQUANT_START \
+static inline void zigzag_scan_2x4_dc( dctcoef level[8], dctcoef dct[8] )
+{
+ level[0] = dct[0];
+ level[1] = dct[2];
+ level[2] = dct[1];
+ level[3] = dct[4];
+ level[4] = dct[6];
+ level[5] = dct[3];
+ level[6] = dct[5];
+ level[7] = dct[7];
+}
+
+#define IDCT_DEQUANT_2X2_START \
int d0 = dct[0] + dct[1]; \
int d1 = dct[2] + dct[3]; \
int d2 = dct[0] - dct[1]; \
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
+ IDCT_DEQUANT_2X2_START
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( dctcoef out[4], dctcoef dct[4], int dequant_mf[6][16], int i_qp )
+static inline void idct_dequant_2x2_dconly( dctcoef dct[4], int dequant_mf[6][16], int i_qp )
{
- IDCT_DEQUANT_START
- out[0] = (d0 + d1) * dmf >> 5;
- out[1] = (d0 - d1) * dmf >> 5;
- out[2] = (d2 + d3) * dmf >> 5;
- out[3] = (d2 - d3) * dmf >> 5;
+ IDCT_DEQUANT_2X2_START
+ dct[0] = (d0 + d1) * dmf >> 5;
+ dct[1] = (d0 - d1) * dmf >> 5;
+ dct[2] = (d2 + d3) * dmf >> 5;
+ dct[3] = (d2 - d3) * dmf >> 5;
}
+#undef IDCT_2X2_DEQUANT_START
static inline void dct2x2dc( dctcoef d[4], dctcoef dct4x4[4][16] )
{
dct4x4[3][0] = 0;
}
-static ALWAYS_INLINE int x264_quant_4x4( x264_t *h, dctcoef dct[16], int i_qp, int ctx_block_cat, int b_intra, int p, int idx )
-{
- int i_quant_cat = b_intra ? (p?CQM_4IC:CQM_4IY) : (p?CQM_4PC:CQM_4PY);
- if( h->mb.b_noise_reduction )
- h->quantf.denoise_dct( dct, h->nr_residual_sum[0+!!p*2], h->nr_offset[0+!!p*2], 16 );
- if( h->mb.b_trellis )
- return x264_quant_4x4_trellis( h, dct, i_quant_cat, i_qp, ctx_block_cat, b_intra, !!p, idx+p*16 );
- 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, dctcoef dct[64], int i_qp, int ctx_block_cat, int b_intra, int p, int idx )
+static ALWAYS_INLINE int array_non_zero( dctcoef *v, int i_count )
{
- int i_quant_cat = b_intra ? (p?CQM_8IC:CQM_8IY) : (p?CQM_8PC:CQM_8PY);
- if( h->mb.b_noise_reduction )
- h->quantf.denoise_dct( dct, h->nr_residual_sum[1+!!p*2], h->nr_offset[1+!!p*2], 64 );
- if( h->mb.b_trellis )
- return x264_quant_8x8_trellis( h, dct, i_quant_cat, i_qp, ctx_block_cat, b_intra, !!p, idx+p*4 );
+ if( WORD_SIZE == 8 )
+ {
+ for( int i = 0; i < i_count; i += 8/sizeof(dctcoef) )
+ if( M64( &v[i] ) )
+ return 1;
+ }
else
- return h->quantf.quant_8x8( dct, h->quant8_mf[i_quant_cat][i_qp], h->quant8_bias[i_quant_cat][i_qp] );
+ {
+ for( int i = 0; i < i_count; i += 4/sizeof(dctcoef) )
+ if( M32( &v[i] ) )
+ return 1;
+ }
+ return 0;
}
/* All encoding functions must output the correct CBP and NNZ values.
/* This means that decimation can be done merely by adjusting the CBP and NNZ
* rather than memsetting the coefficients. */
-void x264_mb_encode_i4x4( x264_t *h, int p, int idx, int i_qp, int i_mode )
-{
- int nz;
- pixel *p_src = &h->mb.pic.p_fenc[p][block_idx_xy_fenc[idx]];
- pixel *p_dst = &h->mb.pic.p_fdec[p][block_idx_xy_fdec[idx]];
- ALIGNED_ARRAY_16( dctcoef, dct4x4,[16] );
-
- if( h->mb.b_lossless )
- x264_predict_lossless_4x4( h, p_dst, p, idx, i_mode );
- else
- h->predict_4x4[i_mode]( p_dst );
-
- if( h->mb.b_lossless )
- {
- nz = h->zigzagf.sub_4x4( h->dct.luma4x4[p*16+idx], p_src, p_dst );
- h->mb.cache.non_zero_count[x264_scan8[p*16+idx]] = nz;
- h->mb.i_cbp_luma |= nz<<(idx>>2);
- return;
- }
-
- h->dctf.sub4x4_dct( dct4x4, p_src, p_dst );
-
- nz = x264_quant_4x4( h, dct4x4, i_qp, ctx_cat_plane[DCT_LUMA_4x4][p], 1, p, idx );
- h->mb.cache.non_zero_count[x264_scan8[p*16+idx]] = nz;
- if( nz )
- {
- h->mb.i_cbp_luma |= 1<<(idx>>2);
- h->zigzagf.scan_4x4( h->dct.luma4x4[p*16+idx], dct4x4 );
- h->quantf.dequant_4x4( dct4x4, h->dequant4_mf[p?CQM_4IC:CQM_4IY], i_qp );
- h->dctf.add4x4_idct( p_dst, dct4x4 );
- }
-}
-
-#define STORE_8x8_NNZ( p, idx, nz )\
-do\
-{\
- M16( &h->mb.cache.non_zero_count[x264_scan8[p*16+idx*4]+0] ) = (nz) * 0x0101;\
- M16( &h->mb.cache.non_zero_count[x264_scan8[p*16+idx*4]+8] ) = (nz) * 0x0101;\
-} while(0)
-
-#define CLEAR_16x16_NNZ( p ) \
-do\
-{\
- M32( &h->mb.cache.non_zero_count[x264_scan8[16*p+ 0]] ) = 0;\
- M32( &h->mb.cache.non_zero_count[x264_scan8[16*p+ 2]] ) = 0;\
- M32( &h->mb.cache.non_zero_count[x264_scan8[16*p+ 8]] ) = 0;\
- M32( &h->mb.cache.non_zero_count[x264_scan8[16*p+10]] ) = 0;\
-} while(0)
-
-void x264_mb_encode_i8x8( x264_t *h, int p, int idx, int i_qp, int i_mode, pixel *edge )
-{
- int x = idx&1;
- int y = idx>>1;
- int nz;
- pixel *p_src = &h->mb.pic.p_fenc[p][8*x + 8*y*FENC_STRIDE];
- pixel *p_dst = &h->mb.pic.p_fdec[p][8*x + 8*y*FDEC_STRIDE];
- ALIGNED_ARRAY_16( dctcoef, dct8x8,[64] );
- ALIGNED_ARRAY_16( pixel, edge_buf,[33] );
-
- if( !edge )
- {
- h->predict_8x8_filter( p_dst, edge_buf, h->mb.i_neighbour8[idx], x264_pred_i4x4_neighbors[i_mode] );
- edge = edge_buf;
- }
-
- if( h->mb.b_lossless )
- x264_predict_lossless_8x8( h, p_dst, p, idx, i_mode, edge );
- else
- h->predict_8x8[i_mode]( p_dst, edge );
-
- if( h->mb.b_lossless )
- {
- nz = h->zigzagf.sub_8x8( h->dct.luma8x8[p*4+idx], p_src, p_dst );
- STORE_8x8_NNZ( p, idx, nz );
- h->mb.i_cbp_luma |= nz<<idx;
- return;
- }
-
- h->dctf.sub8x8_dct8( dct8x8, p_src, p_dst );
-
- nz = x264_quant_8x8( h, dct8x8, i_qp, ctx_cat_plane[DCT_LUMA_8x8][p], 1, p, idx );
- if( nz )
- {
- h->mb.i_cbp_luma |= 1<<idx;
- h->zigzagf.scan_8x8( h->dct.luma8x8[p*4+idx], dct8x8 );
- h->quantf.dequant_8x8( dct8x8, h->dequant8_mf[p?CQM_8IC:CQM_8IY], i_qp );
- h->dctf.add8x8_idct8( p_dst, dct8x8 );
- STORE_8x8_NNZ( p, idx, 1 );
- }
- else
- STORE_8x8_NNZ( p, idx, 0 );
-}
-
static void x264_mb_encode_i16x16( x264_t *h, int p, int i_qp )
{
pixel *p_src = h->mb.pic.p_fenc[p];
block_cbp |= nz;
}
h->mb.i_cbp_luma |= block_cbp * 0xf;
- h->mb.cache.non_zero_count[x264_scan8[LUMA_DC+p]] = array_non_zero( dct_dc4x4 );
+ h->mb.cache.non_zero_count[x264_scan8[LUMA_DC+p]] = array_non_zero( dct_dc4x4, 16 );
h->zigzagf.scan_4x4( h->dct.luma16x16_dc[p], dct_dc4x4 );
return;
}
h->dctf.dct4x4dc( dct_dc4x4 );
if( h->mb.b_trellis )
- nz = x264_quant_dc_trellis( h, dct_dc4x4, i_quant_cat, i_qp, ctx_cat_plane[DCT_LUMA_DC][p], 1, 0, LUMA_DC+p );
+ nz = x264_quant_luma_dc_trellis( h, dct_dc4x4, i_quant_cat, i_qp, ctx_cat_plane[DCT_LUMA_DC][p], 1, LUMA_DC+p );
else
nz = h->quantf.quant_4x4_dc( dct_dc4x4, h->quant4_mf[i_quant_cat][i_qp][0]>>1, h->quant4_bias[i_quant_cat][i_qp][0]<<1 );
* 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 )
+static ALWAYS_INLINE int x264_mb_optimize_chroma_dc( x264_t *h, dctcoef *dct_dc, int dequant_mf[6][16], int i_qp, int chroma422 )
{
int dmf = dequant_mf[i_qp%6][0] << i_qp/6;
if( dmf > 32*64 )
return 1;
- return h->quantf.optimize_chroma_dc( dct2x2, dmf );
+ if( chroma422 )
+ return h->quantf.optimize_chroma_2x4_dc( dct_dc, dmf );
+ else
+ return h->quantf.optimize_chroma_2x2_dc( dct_dc, dmf );
}
-void x264_mb_encode_8x8_chroma( x264_t *h, int b_inter, int i_qp )
+static ALWAYS_INLINE void x264_mb_encode_chroma_internal( x264_t *h, int b_inter, int i_qp, int chroma422 )
{
int nz, nz_dc;
int b_decimate = b_inter && h->mb.b_dct_decimate;
- ALIGNED_ARRAY_16( dctcoef, dct2x2,[4] );
+ int (*dequant_mf)[16] = h->dequant4_mf[CQM_4IC + b_inter];
+ ALIGNED_ARRAY_16( dctcoef, dct_dc,[8] );
h->mb.i_cbp_chroma = 0;
h->nr_count[2] += h->mb.b_noise_reduction * 4;
* Values are experimentally derived. */
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 thresh = chroma422 ? (x264_lambda2_tab[i_qp] + 16) >> 5 : (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 chromapix = chroma422 ? PIXEL_8x16 : PIXEL_8x8;
+
+ int score = h->pixf.var2[chromapix]( 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] );
+ score += h->pixf.var2[chromapix]( h->mb.pic.p_fenc[2], FENC_STRIDE, h->mb.pic.p_fdec[2], FDEC_STRIDE, &ssd[1] );
if( score < thresh*4 )
{
M16( &h->mb.cache.non_zero_count[x264_scan8[16]] ) = 0;
M16( &h->mb.cache.non_zero_count[x264_scan8[18]] ) = 0;
M16( &h->mb.cache.non_zero_count[x264_scan8[32]] ) = 0;
M16( &h->mb.cache.non_zero_count[x264_scan8[34]] ) = 0;
+ if( chroma422 )
+ {
+ M16( &h->mb.cache.non_zero_count[x264_scan8[24]] ) = 0;
+ M16( &h->mb.cache.non_zero_count[x264_scan8[26]] ) = 0;
+ M16( &h->mb.cache.non_zero_count[x264_scan8[40]] ) = 0;
+ M16( &h->mb.cache.non_zero_count[x264_scan8[42]] ) = 0;
+ }
h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+0]] = 0;
h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+1]] = 0;
{
if( ssd[ch] > thresh )
{
- h->dctf.sub8x8_dct_dc( dct2x2, h->mb.pic.p_fenc[1+ch], 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];
+
+ if( chroma422 )
+ /* Cannot be replaced by two calls to sub8x8_dct_dc since the hadamard transform is different */
+ h->dctf.sub8x16_dct_dc( dct_dc, p_src, p_dst );
+ else
+ h->dctf.sub8x8_dct_dc( dct_dc, p_src, p_dst );
+
if( h->mb.b_trellis )
- nz_dc = x264_quant_dc_trellis( h, dct2x2, CQM_4IC+b_inter, i_qp, DCT_CHROMA_DC, !b_inter, 1, CHROMA_DC+ch );
+ nz_dc = x264_quant_chroma_dc_trellis( h, dct_dc, i_qp+3*chroma422, !b_inter, CHROMA_DC+ch );
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 = 0;
+ for( int i = 0; i <= chroma422; i++ )
+ nz_dc |= h->quantf.quant_2x2_dc( &dct_dc[4*i], h->quant4_mf[CQM_4IC+b_inter][i_qp+3*chroma422][0] >> 1,
+ h->quant4_bias[CQM_4IC+b_inter][i_qp+3*chroma422][0] << 1 );
+ }
if( nz_dc )
{
- if( !x264_mb_optimize_chroma_dc( h, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp ) )
+ if( !x264_mb_optimize_chroma_dc( h, dct_dc, dequant_mf, i_qp+3*chroma422, chroma422 ) )
continue;
h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+ch]] = 1;
- zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
- 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 );
+ if( chroma422 )
+ {
+ zigzag_scan_2x4_dc( h->dct.chroma_dc[ch], dct_dc );
+ h->quantf.idct_dequant_2x4_dconly( dct_dc, dequant_mf, i_qp+3 );
+ }
+ else
+ {
+ zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct_dc );
+ idct_dequant_2x2_dconly( dct_dc, dequant_mf, i_qp );
+ }
+
+ for( int i = 0; i <= chroma422; i++ )
+ h->dctf.add8x8_idct_dc( p_dst + 8*i*FDEC_STRIDE, &dct_dc[4*i] );
h->mb.i_cbp_chroma = 1;
}
}
int i_decimate_score = 0;
int nz_ac = 0;
- ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[8],[16] );
if( h->mb.b_lossless )
{
- for( int i = 0; i < 4; i++ )
+ static const uint8_t chroma422_scan[8] = { 0, 2, 1, 5, 3, 6, 4, 7 };
+
+ for( int i = 0; i < (chroma422?8:4); 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;
- nz = h->zigzagf.sub_4x4ac( h->dct.luma4x4[16+i+ch*16], p_src+oe, p_dst+od, &h->dct.chroma_dc[ch][i] );
- h->mb.cache.non_zero_count[x264_scan8[16+i+ch*16]] = nz;
+ int oe = 4*(i&1) + 4*(i>>1)*FENC_STRIDE;
+ int od = 4*(i&1) + 4*(i>>1)*FDEC_STRIDE;
+ nz = h->zigzagf.sub_4x4ac( h->dct.luma4x4[16+i+(chroma422?i&4:0)+ch*16], p_src+oe, p_dst+od,
+ &h->dct.chroma_dc[ch][chroma422?chroma422_scan[i]:i] );
+ h->mb.cache.non_zero_count[x264_scan8[16+i+(chroma422?i&4:0)+ch*16]] = nz;
h->mb.i_cbp_chroma |= nz;
}
- h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+ch]] = array_non_zero( h->dct.chroma_dc[ch] );
+ h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+ch]] = array_non_zero( h->dct.chroma_dc[ch], chroma422?8:4 );
continue;
}
- h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+ for( int i = 0; i <= chroma422; i++ )
+ h->dctf.sub8x8_dct( &dct4x4[4*i], p_src + 8*i*FENC_STRIDE, p_dst + 8*i*FDEC_STRIDE );
+
if( h->mb.b_noise_reduction )
- for( int i = 0; i < 4; i++ )
+ for( int i = 0; i < (chroma422?8:4); i++ )
h->quantf.denoise_dct( dct4x4[i], h->nr_residual_sum[2], h->nr_offset[2], 16 );
- dct2x2dc( dct2x2, dct4x4 );
+
+ if( chroma422 )
+ h->dctf.dct2x4dc( dct_dc, dct4x4 );
+ else
+ dct2x2dc( dct_dc, dct4x4 );
+
/* calculate dct coeffs */
- for( int i = 0; i < 4; i++ )
+ for( int i = 0; i < (chroma422?8:4); 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 );
else
nz = h->quantf.quant_4x4( dct4x4[i], h->quant4_mf[CQM_4IC+b_inter][i_qp], h->quant4_bias[CQM_4IC+b_inter][i_qp] );
- h->mb.cache.non_zero_count[x264_scan8[16+i+ch*16]] = nz;
+ h->mb.cache.non_zero_count[x264_scan8[16+i+(chroma422?i&4:0)+ch*16]] = nz;
if( nz )
{
nz_ac = 1;
- h->zigzagf.scan_4x4( h->dct.luma4x4[16+i+ch*16], dct4x4[i] );
- h->quantf.dequant_4x4( dct4x4[i], h->dequant4_mf[CQM_4IC + b_inter], i_qp );
+ h->zigzagf.scan_4x4( h->dct.luma4x4[16+i+(chroma422?i&4:0)+ch*16], dct4x4[i] );
+ h->quantf.dequant_4x4( dct4x4[i], dequant_mf, i_qp );
if( b_decimate )
- i_decimate_score += h->quantf.decimate_score15( h->dct.luma4x4[16+i+ch*16] );
+ i_decimate_score += h->quantf.decimate_score15( h->dct.luma4x4[16+i+(chroma422?i&4:0)+ch*16] );
}
}
if( h->mb.b_trellis )
- nz_dc = x264_quant_dc_trellis( h, dct2x2, CQM_4IC+b_inter, i_qp, DCT_CHROMA_DC, !b_inter, 1, CHROMA_DC+ch );
+ nz_dc = x264_quant_chroma_dc_trellis( h, dct_dc, i_qp+3*chroma422, !b_inter, CHROMA_DC+ch );
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 = 0;
+ for( int i = 0; i <= chroma422; i++ )
+ nz_dc |= h->quantf.quant_2x2_dc( &dct_dc[4*i], h->quant4_mf[CQM_4IC+b_inter][i_qp+3*chroma422][0] >> 1,
+ h->quant4_bias[CQM_4IC+b_inter][i_qp+3*chroma422][0] << 1 );
+ }
h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+ch]] = nz_dc;
if( (b_decimate && i_decimate_score < 7) || !nz_ac )
{
/* Decimate the block */
- M16( &h->mb.cache.non_zero_count[x264_scan8[16+0+16*ch]] ) = 0;
- M16( &h->mb.cache.non_zero_count[x264_scan8[16+2+16*ch]] ) = 0;
+ M16( &h->mb.cache.non_zero_count[x264_scan8[16+16*ch]] ) = 0;
+ M16( &h->mb.cache.non_zero_count[x264_scan8[18+16*ch]] ) = 0;
+ if( chroma422 )
+ {
+ M16( &h->mb.cache.non_zero_count[x264_scan8[24+16*ch]] ) = 0;
+ M16( &h->mb.cache.non_zero_count[x264_scan8[26+16*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 ) )
+ if( !x264_mb_optimize_chroma_dc( h, dct_dc, dequant_mf, i_qp+3*chroma422, chroma422 ) )
{
h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+ch]] = 0;
continue;
}
/* DC-only */
- zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
- idct_dequant_2x2_dconly( dct2x2, dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
- h->dctf.add8x8_idct_dc( p_dst, dct2x2 );
+ if( chroma422 )
+ {
+ zigzag_scan_2x4_dc( h->dct.chroma_dc[ch], dct_dc );
+ h->quantf.idct_dequant_2x4_dconly( dct_dc, dequant_mf, i_qp+3 );
+ }
+ else
+ {
+ zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct_dc );
+ idct_dequant_2x2_dconly( dct_dc, dequant_mf, i_qp );
+ }
+
+ for( int i = 0; i <= chroma422; i++ )
+ h->dctf.add8x8_idct_dc( p_dst + 8*i*FDEC_STRIDE, &dct_dc[4*i] );
}
else
{
h->mb.i_cbp_chroma = 1;
+
if( nz_dc )
{
- zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
- idct_dequant_2x2_dc( dct2x2, dct4x4, h->dequant4_mf[CQM_4IC + b_inter], i_qp );
+ if( chroma422 )
+ {
+ zigzag_scan_2x4_dc( h->dct.chroma_dc[ch], dct_dc );
+ h->quantf.idct_dequant_2x4_dc( dct_dc, dct4x4, dequant_mf, i_qp+3 );
+ }
+ else
+ {
+ zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct_dc );
+ idct_dequant_2x2_dc( dct_dc, dct4x4, dequant_mf, i_qp );
+ }
}
- h->dctf.add8x8_idct( p_dst, dct4x4 );
+
+ for( int i = 0; i <= chroma422; i++ )
+ h->dctf.add8x8_idct( p_dst + 8*i*FDEC_STRIDE, &dct4x4[4*i] );
}
}
h->mb.cache.non_zero_count[x264_scan8[CHROMA_DC+1]] | h->mb.i_cbp_chroma);
}
+void x264_mb_encode_chroma( x264_t *h, int b_inter, int i_qp )
+{
+ if( CHROMA_FORMAT == CHROMA_420 )
+ x264_mb_encode_chroma_internal( h, b_inter, i_qp, 0 );
+ else
+ x264_mb_encode_chroma_internal( h, b_inter, i_qp, 1 );
+}
+
static void x264_macroblock_encode_skip( x264_t *h )
{
M32( &h->mb.cache.non_zero_count[x264_scan8[ 0]] ) = 0;
M32( &h->mb.cache.non_zero_count[x264_scan8[16+ 2]] ) = 0;
M32( &h->mb.cache.non_zero_count[x264_scan8[32+ 0]] ) = 0;
M32( &h->mb.cache.non_zero_count[x264_scan8[32+ 2]] ) = 0;
- if( CHROMA444 )
+ if( CHROMA_FORMAT >= CHROMA_422 )
{
M32( &h->mb.cache.non_zero_count[x264_scan8[16+ 8]] ) = 0;
M32( &h->mb.cache.non_zero_count[x264_scan8[16+10]] ) = 0;
* Intra prediction for predictive lossless mode.
*****************************************************************************/
-void x264_predict_lossless_8x8_chroma( x264_t *h, int i_mode )
+void x264_predict_lossless_chroma( x264_t *h, int i_mode )
{
+ int height = 16 >> CHROMA_V_SHIFT;
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[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 );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc[1]-FENC_STRIDE, FENC_STRIDE, height );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc[2]-FENC_STRIDE, FENC_STRIDE, height );
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[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 );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc[1]-1, FENC_STRIDE, height );
+ h->mc.copy[PIXEL_8x8]( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc[2]-1, FENC_STRIDE, height );
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 );
+ if( CHROMA_FORMAT == CHROMA_422 )
+ {
+ x264_copy_column8( h->mb.pic.p_fdec[1]+12*FDEC_STRIDE, h->mb.pic.p_fdec[1]+12*FDEC_STRIDE-1 );
+ x264_copy_column8( h->mb.pic.p_fdec[2]+12*FDEC_STRIDE, h->mb.pic.p_fdec[2]+12*FDEC_STRIDE-1 );
+ }
}
else
{
- h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[1] );
- h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[2] );
+ h->predict_chroma[i_mode]( h->mb.pic.p_fdec[1] );
+ h->predict_chroma[i_mode]( h->mb.pic.p_fdec[2] );
}
}
h->predict_4x4[i_mode]( p_dst );
}
-void x264_predict_lossless_8x8( x264_t *h, pixel *p_dst, int p, int idx, int i_mode, pixel edge[33] )
+void x264_predict_lossless_8x8( x264_t *h, pixel *p_dst, int p, int idx, int i_mode, pixel edge[36] )
{
int stride = h->fenc->i_stride[p] << MB_INTERLACED;
pixel *p_src = h->mb.pic.p_fenc_plane[p] + (idx&1)*8 + (idx>>1)*8*stride;
h->mc.copy[PIXEL_16x16]( h->mb.pic.p_fdec[p], FDEC_STRIDE, h->mb.pic.p_fenc[p], FENC_STRIDE, 16 );
if( chroma )
{
- 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 );
+ int height = 16 >> CHROMA_V_SHIFT;
+ h->mc.copy[PIXEL_8x8] ( h->mb.pic.p_fdec[1], FDEC_STRIDE, h->mb.pic.p_fenc[1], FENC_STRIDE, height );
+ h->mc.copy[PIXEL_8x8] ( h->mb.pic.p_fdec[2], FDEC_STRIDE, h->mb.pic.p_fenc[2], FENC_STRIDE, height );
}
return;
}
if( chroma )
{
+ int v_shift = CHROMA_V_SHIFT;
+ int height = 16 >> v_shift;
+
/* 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 );
+ mvx, 2*mvy>>v_shift, 8, height );
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] );
+ h->mc.load_deinterleave_chroma_fdec( h->mb.pic.p_fdec[1], h->mb.pic.p_fref[0][0][4],
+ h->mb.pic.i_stride[1], height );
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 );
+ &h->sh.weight[0][1], height );
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 );
+ &h->sh.weight[0][2], height );
}
}
for( int i = (p == 0 && h->mb.i_skip_intra) ? 3 : 0 ; i < 4; i++ )
{
int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[4*i]];
- x264_mb_encode_i8x8( h, p, i, i_qp, i_mode, NULL );
+ x264_mb_encode_i8x8( h, p, i, i_qp, i_mode, NULL, 1 );
}
i_qp = h->mb.i_chroma_qp;
}
/* emulate missing topright samples */
MPIXEL_X4( &p_dst[4-FDEC_STRIDE] ) = PIXEL_SPLAT_X4( p_dst[3-FDEC_STRIDE] );
- x264_mb_encode_i4x4( h, p, i, i_qp, i_mode );
+ x264_mb_encode_i4x4( h, p, i, i_qp, i_mode, 1 );
}
i_qp = h->mb.i_chroma_qp;
}
{
if( IS_INTRA( h->mb.i_type ) )
{
- const int i_mode = h->mb.i_chroma_pred_mode;
+ int i_mode = h->mb.i_chroma_pred_mode;
if( h->mb.b_lossless )
- x264_predict_lossless_8x8_chroma( h, i_mode );
+ x264_predict_lossless_chroma( h, i_mode );
else
{
- h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[1] );
- h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[2] );
+ h->predict_chroma[i_mode]( h->mb.pic.p_fdec[1] );
+ h->predict_chroma[i_mode]( h->mb.pic.p_fdec[2] );
}
}
/* encode the 8x8 blocks */
- x264_mb_encode_8x8_chroma( h, !IS_INTRA( h->mb.i_type ), h->mb.i_chroma_qp );
+ x264_mb_encode_chroma( h, !IS_INTRA( h->mb.i_type ), h->mb.i_chroma_qp );
}
else
h->mb.i_cbp_chroma = 0;
*****************************************************************************/
static ALWAYS_INLINE int x264_macroblock_probe_skip_internal( x264_t *h, int b_bidir, int plane_count, int chroma )
{
- ALIGNED_ARRAY_16( dctcoef, dct4x4,[4],[16] );
- ALIGNED_ARRAY_16( dctcoef, dct2x2,[4] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[8],[16] );
ALIGNED_ARRAY_16( dctcoef, dctscan,[16] );
ALIGNED_4( int16_t mvp[2] );
-
int i_qp = h->mb.i_qp;
- int thresh, ssd;
for( int p = 0; p < plane_count; p++ )
{
i_qp = h->mb.i_chroma_qp;
}
- if( chroma )
+ if( chroma == CHROMA_420 || chroma == CHROMA_422 )
{
- /* encode chroma */
i_qp = h->mb.i_chroma_qp;
- thresh = (x264_lambda2_tab[i_qp] + 32) >> 6;
+ int chroma422 = chroma == CHROMA_422;
+ int thresh = chroma422 ? (x264_lambda2_tab[i_qp] + 16) >> 5 : (x264_lambda2_tab[i_qp] + 32) >> 6;
+ int ssd;
+ ALIGNED_ARRAY_16( dctcoef, dct_dc,[8] );
if( !b_bidir )
{
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 );
+ mvp[0], mvp[1]<<chroma422, 8, chroma422?16:8 );
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] );
+ h->mc.load_deinterleave_chroma_fdec( h->mb.pic.p_fdec[1], h->mb.pic.p_fref[0][0][4],
+ h->mb.pic.i_stride[1], chroma422?16:8 );
}
for( int ch = 0; ch < 2; 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 );
+ &h->sh.weight[0][1+ch], chroma422?16:8 );
/* 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. */
- ssd = h->pixf.ssd[PIXEL_8x8]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE );
+ ssd = h->pixf.ssd[chroma422?PIXEL_8x16:PIXEL_8x8]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE );
if( ssd < thresh )
continue;
* 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++ )
+ for( int i = 0; i <= chroma422; i++ )
+ h->dctf.sub8x8_dct( &dct4x4[4*i], p_src + 8*i*FENC_STRIDE, p_dst + 8*i*FDEC_STRIDE );
+
+ for( int i4x4 = 0; i4x4 < (chroma422?8:4); i4x4++ )
{
h->quantf.denoise_dct( dct4x4[i4x4], h->nr_residual_sum[2], h->nr_offset[2], 16 );
- dct2x2[i4x4] = dct4x4[i4x4][0];
+ dct_dc[i4x4] = dct4x4[i4x4][0];
}
}
else
- h->dctf.sub8x8_dct_dc( dct2x2, p_src, p_dst );
+ {
+ if( chroma422 )
+ h->dctf.sub8x16_dct_dc( dct_dc, p_src, p_dst );
+ else
+ h->dctf.sub8x8_dct_dc( dct_dc, 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;
+ for( int i = 0; i <= chroma422; i++ )
+ if( h->quantf.quant_2x2_dc( &dct_dc[4*i], h->quant4_mf[CQM_4PC][i_qp+3*chroma422][0] >> 1,
+ h->quant4_bias[CQM_4PC][i_qp+3*chroma422][0] << 1 ) )
+ return 0;
/* If there wasn't a termination in DC, we can check against a much higher threshold. */
if( ssd < thresh*4 )
continue;
if( !h->mb.b_noise_reduction )
- h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
+ for( int i = 0; i <= chroma422; i++ )
+ h->dctf.sub8x8_dct( &dct4x4[4*i], p_src + 8*i*FENC_STRIDE, p_dst + 8*i*FDEC_STRIDE );
/* calculate dct coeffs */
- for( int i4x4 = 0, i_decimate_mb = 0; i4x4 < 4; i4x4++ )
+ for( int i4x4 = 0, i_decimate_mb = 0; i4x4 < (chroma422?8:4); i4x4++ )
{
dct4x4[i4x4][0] = 0;
if( h->mb.b_noise_reduction )
int x264_macroblock_probe_skip( x264_t *h, int b_bidir )
{
- if( CHROMA444 )
- return x264_macroblock_probe_skip_internal( h, b_bidir, 3, 0 );
+ if( CHROMA_FORMAT == CHROMA_444 )
+ return x264_macroblock_probe_skip_internal( h, b_bidir, 3, CHROMA_444 );
+ else if( CHROMA_FORMAT == CHROMA_422 )
+ return x264_macroblock_probe_skip_internal( h, b_bidir, 1, CHROMA_422 );
else
- return x264_macroblock_probe_skip_internal( h, b_bidir, 1, 1 );
+ return x264_macroblock_probe_skip_internal( h, b_bidir, 1, CHROMA_420 );
}
/****************************************************************************
{
int dct8x8 = cat&1;
int size = dct8x8 ? 64 : 16;
- const uint16_t *weight = dct8x8 ? x264_dct8_weight2_tab : x264_dct4_weight2_tab;
+ const uint32_t *weight = dct8x8 ? x264_dct8_weight2_tab : x264_dct4_weight2_tab;
if( h->nr_count[cat] > (dct8x8 ? (1<<16) : (1<<18)) )
{
int x = i8&1;
int y = i8>>1;
int nz;
+ int chroma422 = chroma == CHROMA_422;
h->mb.i_cbp_chroma = 0;
h->mb.i_cbp_luma &= ~(1 << i8);
}
h->mb.i_cbp_luma |= nnz8x8 << i8;
}
- if( chroma )
+ if( chroma == CHROMA_420 || chroma == CHROMA_422 )
{
for( int ch = 0; ch < 2; ch++ )
{
dctcoef dc;
- pixel *p_fenc = h->mb.pic.p_fenc[1+ch] + 4*x + 4*y*FENC_STRIDE;
- pixel *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*16], p_fenc, p_fdec, &dc );
- h->mb.cache.non_zero_count[x264_scan8[16+i8+ch*16]] = nz;
+ pixel *p_fenc = h->mb.pic.p_fenc[1+ch] + 4*x + (chroma422?8:4)*y*FENC_STRIDE;
+ pixel *p_fdec = h->mb.pic.p_fdec[1+ch] + 4*x + (chroma422?8:4)*y*FDEC_STRIDE;
+
+ for( int i4x4 = 0; i4x4 <= chroma422; i4x4++ )
+ {
+ int offset = chroma422 ? 8*y + 2*i4x4 + x : i8;
+ nz = h->zigzagf.sub_4x4ac( h->dct.luma4x4[16+offset+ch*16], p_fenc+4*i4x4*FENC_STRIDE, p_fdec+4*i4x4*FDEC_STRIDE, &dc );
+ h->mb.cache.non_zero_count[x264_scan8[16+offset+ch*16]] = nz;
+ }
}
h->mb.i_cbp_chroma = 0x02;
}
h->dctf.sub8x8_dct( dct4x4, p_fenc, p_fdec );
for( int i4 = 0; i4 < 4; i4++ )
{
- nz = x264_quant_4x4( h, dct4x4[i4], i_qp, ctx_cat_plane[DCT_LUMA_4x4][p], 0, p, 8*4+i4 );
+ nz = x264_quant_4x4( h, dct4x4[i4], i_qp, ctx_cat_plane[DCT_LUMA_4x4][p], 0, p, i8*4+i4 );
h->mb.cache.non_zero_count[x264_scan8[p*16+i8*4+i4]] = nz;
if( nz )
{
}
}
- if( chroma )
+ if( chroma == CHROMA_420 || chroma == CHROMA_422 )
{
i_qp = h->mb.i_chroma_qp;
for( int ch = 0; ch < 2; ch++ )
{
- ALIGNED_ARRAY_16( dctcoef, dct4x4,[16] );
- pixel *p_fenc = h->mb.pic.p_fenc[1+ch] + 4*x + 4*y*FENC_STRIDE;
- pixel *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 )
- nz = x264_quant_4x4_trellis( h, dct4x4, CQM_4PC, i_qp, DCT_CHROMA_AC, 0, 1, 0 );
- else
- nz = h->quantf.quant_4x4( dct4x4, h->quant4_mf[CQM_4PC][i_qp], h->quant4_bias[CQM_4PC][i_qp] );
+ ALIGNED_ARRAY_16( dctcoef, dct4x4,[2],[16] );
+ pixel *p_fenc = h->mb.pic.p_fenc[1+ch] + 4*x + (chroma422?8:4)*y*FENC_STRIDE;
+ pixel *p_fdec = h->mb.pic.p_fdec[1+ch] + 4*x + (chroma422?8:4)*y*FDEC_STRIDE;
- h->mb.cache.non_zero_count[x264_scan8[16+i8+ch*16]] = nz;
- if( nz )
+ for( int i4x4 = 0; i4x4 <= chroma422; i4x4++ )
{
- h->zigzagf.scan_4x4( h->dct.luma4x4[16+i8+ch*16], dct4x4 );
- h->quantf.dequant_4x4( dct4x4, h->dequant4_mf[CQM_4PC], i_qp );
- h->dctf.add4x4_idct( p_fdec, dct4x4 );
+ h->dctf.sub4x4_dct( dct4x4[i4x4], p_fenc + 4*i4x4*FENC_STRIDE, p_fdec + 4*i4x4*FDEC_STRIDE );
+
+ if( h->mb.b_noise_reduction )
+ h->quantf.denoise_dct( dct4x4[i4x4], h->nr_residual_sum[2], h->nr_offset[2], 16 );
+ dct4x4[i4x4][0] = 0;
+
+ if( h->mb.b_trellis )
+ nz = x264_quant_4x4_trellis( h, dct4x4[i4x4], CQM_4PC, i_qp, DCT_CHROMA_AC, 0, 1, 0 );
+ else
+ nz = h->quantf.quant_4x4( dct4x4[i4x4], h->quant4_mf[CQM_4PC][i_qp], h->quant4_bias[CQM_4PC][i_qp] );
+
+ int offset = chroma422 ? ((5*i8) & 0x09) + 2*i4x4 : i8;
+ h->mb.cache.non_zero_count[x264_scan8[16+offset+ch*16]] = nz;
+ if( nz )
+ {
+ h->zigzagf.scan_4x4( h->dct.luma4x4[16+offset+ch*16], dct4x4[i4x4] );
+ h->quantf.dequant_4x4( dct4x4[i4x4], h->dequant4_mf[CQM_4PC], i_qp );
+ h->dctf.add4x4_idct( p_fdec + 4*i4x4*FDEC_STRIDE, dct4x4[i4x4] );
+ }
}
}
h->mb.i_cbp_chroma = 0x02;
void x264_macroblock_encode_p8x8( x264_t *h, int i8 )
{
if( CHROMA444 )
- x264_macroblock_encode_p8x8_internal( h, i8, 3, 0 );
+ x264_macroblock_encode_p8x8_internal( h, i8, 3, CHROMA_444 );
+ else if( CHROMA_FORMAT == CHROMA_422 )
+ x264_macroblock_encode_p8x8_internal( h, i8, 1, CHROMA_422 );
else
- x264_macroblock_encode_p8x8_internal( h, i8, 1, 1 );
+ x264_macroblock_encode_p8x8_internal( h, i8, 1, CHROMA_420 );
}
/*****************************************************************************