* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdint.h>
-
-#include "../core/common.h"
+#include "common/common.h"
#include "macroblock.h"
-static const uint8_t block_idx_x[16] =
-{
- 0, 1, 0, 1, 2, 3, 2, 3, 0, 1, 0, 1, 2, 3, 2, 3
-};
-static const uint8_t block_idx_y[16] =
-{
- 0, 0, 1, 1, 0, 0, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3
-};
-static const uint8_t block_idx_xy[4][4] =
-{
- { 0, 2, 8, 10},
- { 1, 3, 9, 11},
- { 4, 6, 12, 14},
- { 5, 7, 13, 15}
-};
-
-static const int quant_mf[6][4][4] =
-{
- { { 13107, 8066, 13107, 8066}, { 8066, 5243, 8066, 5243},
- { 13107, 8066, 13107, 8066}, { 8066, 5243, 8066, 5243} },
- { { 11916, 7490, 11916, 7490}, { 7490, 4660, 7490, 4660},
- { 11916, 7490, 11916, 7490}, { 7490, 4660, 7490, 4660} },
- { { 10082, 6554, 10082, 6554}, { 6554, 4194, 6554, 4194},
- { 10082, 6554, 10082, 6554}, { 6554, 4194, 6554, 4194} },
- { { 9362, 5825, 9362, 5825}, { 5825, 3647, 5825, 3647},
- { 9362, 5825, 9362, 5825}, { 5825, 3647, 5825, 3647} },
- { { 8192, 5243, 8192, 5243}, { 5243, 3355, 5243, 3355},
- { 8192, 5243, 8192, 5243}, { 5243, 3355, 5243, 3355} },
- { { 7282, 4559, 7282, 4559}, { 4559, 2893, 4559, 2893},
- { 7282, 4559, 7282, 4559}, { 4559, 2893, 4559, 2893} }
-};
-
-static const int i_chroma_qp_table[52] =
-{
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
- 29, 30, 31, 32, 32, 33, 34, 34, 35, 35,
- 36, 36, 37, 37, 37, 38, 38, 38, 39, 39,
- 39, 39
-};
-
-/****************************************************************************
- * Scan and Quant functions
- ****************************************************************************/
-//static const int scan_zigzag_x[16]={0, 1, 0, 0, 1, 2, 3, 2, 1, 0, 1, 2, 3, 3, 2, 3};
-//static const int scan_zigzag_y[16]={0, 0, 1, 2, 1, 0, 0, 1, 2, 3, 3, 2, 1, 2, 3, 3};
-
-static inline void scan_zigzag_4x4full( int level[16], int16_t dct[4][4] )
-{
- level[0] = dct[0][0];
- level[1] = dct[0][1];
- level[2] = dct[1][0];
- level[3] = dct[2][0];
- level[4] = dct[1][1];
- level[5] = dct[0][2];
- level[6] = dct[0][3];
- level[7] = dct[1][2];
- level[8] = dct[2][1];
- level[9] = dct[3][0];
- level[10] = dct[3][1];
- level[11] = dct[2][2];
- level[12] = dct[1][3];
- level[13] = dct[2][3];
- level[14] = dct[3][2];
- level[15] = dct[3][3];
-#if 0
- int i;
- for( i = 0; i < 16; i++ )
- {
- level[i] = dct[scan_zigzag_y[i]][scan_zigzag_x[i]];
- }
-#endif
-}
-static inline void scan_zigzag_4x4( int level[15], int16_t dct[4][4] )
-{
- level[0] = dct[0][1];
- level[1] = dct[1][0];
- level[2] = dct[2][0];
- level[3] = dct[1][1];
- level[4] = dct[0][2];
- level[5] = dct[0][3];
- level[6] = dct[1][2];
- level[7] = dct[2][1];
- level[8] = dct[3][0];
- level[9] = dct[3][1];
- level[10] = dct[2][2];
- level[11] = dct[1][3];
- level[12] = dct[2][3];
- level[13] = dct[3][2];
- level[14] = dct[3][3];
-#if 0
- int i;
- for( i = 1; i < 16; i++ )
- {
- level[i - 1] = dct[scan_zigzag_y[i]][scan_zigzag_x[i]];
- }
-#endif
-}
-
-static inline void scan_zigzag_2x2_dc( int level[4], int16_t dct[2][2] )
-{
- level[0] = dct[0][0];
- level[1] = dct[0][1];
- level[2] = dct[1][0];
- level[3] = dct[1][1];
-}
-
-
-static void quant_4x4( int16_t dct[4][4], int i_qscale, int b_intra )
-{
- const int i_qbits = 15 + i_qscale / 6;
- const int i_mf = i_qscale % 6;
- const int f = ( 1 << i_qbits ) / ( b_intra ? 3 : 6 );
-
- int x,y;
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
- if( dct[y][x] > 0 )
- {
- dct[y][x] =( f + dct[y][x] * quant_mf[i_mf][y][x] ) >> i_qbits;
- }
- else
- {
- dct[y][x] = - ( ( f - dct[y][x] * quant_mf[i_mf][y][x] ) >> i_qbits );
- }
- }
- }
-}
-static void quant_4x4_dc( int16_t dct[4][4], int i_qscale )
-{
- const int i_qbits = 15 + i_qscale / 6;
- const int f2 = ( 2 << i_qbits ) / 3;
- const int i_qmf = quant_mf[i_qscale%6][0][0];
- int x,y;
-
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
- if( dct[y][x] > 0 )
- {
- dct[y][x] =( f2 + dct[y][x] * i_qmf) >> ( 1 + i_qbits );
- }
- else
- {
- dct[y][x] = - ( ( f2 - dct[y][x] * i_qmf ) >> (1 + i_qbits ) );
- }
- }
- }
-}
-static void quant_2x2_dc( int16_t dct[2][2], int i_qscale, int b_intra )
-{
- int const i_qbits = 15 + i_qscale / 6;
- const int f2 = ( 2 << i_qbits ) / ( b_intra ? 3 : 6 );
- const int i_qmf = quant_mf[i_qscale%6][0][0];
-
- int x,y;
- for( y = 0; y < 2; y++ )
- {
- for( x = 0; x < 2; x++ )
- {
- if( dct[y][x] > 0 )
- {
- dct[y][x] =( f2 + dct[y][x] * i_qmf) >> ( 1 + i_qbits );
- }
- else
- {
- dct[y][x] = - ( ( f2 - dct[y][x] * i_qmf ) >> (1 + i_qbits ) );
- }
- }
- }
-}
-#if 0
-/* From a JVT doc */
-static const int f_deadzone_intra[4][4][2] = /* [num][den] */
-{
- { {1,2}, {3,7}, {2,5}, {1,3} },
- { {3,7}, {2,5}, {1,3}, {1,4} },
- { {2,5}, {1,3}, {1,4}, {1,5} },
- { {1,3}, {1,4}, {1,5}, {1,5} }
-};
-static const int f_deadzone_inter[4][4][2] = /* [num][den] */
-{
- { {1,3}, {2,7}, {4,15},{2,9} },
- { {2,7}, {4,15},{2,9}, {1,6} },
- { {4,15},{2,9}, {1,6}, {1,7} },
- { {2,9}, {1,6}, {1,7}, {2,15} }
-};
-
-
-static void quant_4x4( int16_t dct[4][4], int i_qscale, int b_intra )
-{
- const int(*f_deadzone)[4][4][2] = b_intra ? &f_deadzone_intra : &f_deadzone_inter;
- const int i_qbits = 15 + i_qscale / 6;
- const int i_mf = i_qscale % 6;
-
- int x,y;
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
-#if 0
- const int f = b_intra ?
- (f_deadzone_intra[y][x][0] * ( 1 << i_qbits ) / f_deadzone_intra[y][x][1])
- :
- (f_deadzone_inter[y][x][0] * ( 1 << i_qbits ) / f_deadzone_inter[y][x][1]);
-#else
- const int f = (*f_deadzone)[y][x][0] * ( 1 << i_qbits ) / (*f_deadzone)[y][x][1];
-#endif
-
- if( dct[y][x] > 0 )
- {
- dct[y][x] =( f + dct[y][x] * quant_mf[i_mf][y][x] ) >> i_qbits;
- }
- else
- {
- dct[y][x] = - ( ( f - dct[y][x] * quant_mf[i_mf][y][x] ) >> i_qbits );
- }
- }
- }
-}
-
-static void quant_4x4_dc( int16_t dct[4][4], int i_qscale )
-{
- const int i_qbits = 15 + i_qscale / 6;
- const int i_qmf = quant_mf[i_qscale%6][0][0];
- const int f2 = f_deadzone_intra[0][0][0] * ( 2 << i_qbits ) / f_deadzone_intra[0][0][1];
- int x,y;
-
- for( y = 0; y < 4; y++ )
- {
- for( x = 0; x < 4; x++ )
- {
-
- if( dct[y][x] > 0 )
- {
- dct[y][x] =( f2 + dct[y][x] * i_qmf) >> ( 1 + i_qbits );
- }
- else
- {
- dct[y][x] = - ( ( f2 - dct[y][x] * i_qmf ) >> (1 + i_qbits ) );
- }
- }
- }
-}
-
-static void quant_2x2_dc( int16_t dct[2][2], int i_qscale, int b_intra )
+#define ZIG(i,y,x) level[i] = dct[x][y];
+static inline void zigzag_scan_2x2_dc( int level[4], int16_t dct[2][2] )
{
- int const i_qbits = 15 + i_qscale / 6;
- const int i_qmf = quant_mf[i_qscale%6][0][0];
- const int f2 = b_intra ?
- (f_deadzone_intra[0][0][0] * ( 2 << i_qbits ) / f_deadzone_intra[0][0][1])
- :
- (f_deadzone_inter[0][0][0] * ( 2 << i_qbits ) / f_deadzone_inter[0][0][1]);
- int x,y;
- for( y = 0; y < 2; y++ )
- {
- for( x = 0; x < 2; x++ )
- {
- if( dct[y][x] > 0 )
- {
- dct[y][x] =( f2 + dct[y][x] * i_qmf) >> ( 1 + i_qbits );
- }
- else
- {
- dct[y][x] = - ( ( f2 - dct[y][x] * i_qmf ) >> (1 + i_qbits ) );
- }
- }
- }
-}
-
-
-#endif
-
-static inline int array_non_zero_count( int *v, int i_count )
-{
- int i;
- int i_nz;
-
- for( i = 0, i_nz = 0; i < i_count; i++ )
- {
- if( v[i] )
- {
- i_nz++;
- }
- }
- return i_nz;
+ ZIG(0,0,0)
+ ZIG(1,0,1)
+ ZIG(2,1,0)
+ ZIG(3,1,1)
}
+#undef ZIG
/* (ref: JVT-B118)
* x264_mb_decimate_score: given dct coeffs it returns a score to see if we could empty this dct coeffs
*/
static int x264_mb_decimate_score( int *dct, int i_max )
{
- static const int i_ds_table[16] = { 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
-
+ static const int i_ds_table4[16] = {
+ 3,2,2,1,1,1,0,0,0,0,0,0,0,0,0,0 };
+ static const int i_ds_table8[64] = {
+ 3,3,3,3,2,2,2,2,2,2,2,2,1,1,1,1,
+ 1,1,1,1,1,1,1,1,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 };
+
+ const int *ds_table = (i_max == 64) ? i_ds_table8 : i_ds_table4;
int i_score = 0;
int idx = i_max - 1;
while( idx >= 0 && dct[idx] == 0 )
- {
idx--;
- }
while( idx >= 0 )
{
int i_run;
if( abs( dct[idx--] ) > 1 )
- {
return 9;
- }
i_run = 0;
while( idx >= 0 && dct[idx] == 0 )
idx--;
i_run++;
}
- i_score += i_ds_table[i_run];
+ i_score += ds_table[i_run];
}
return i_score;
void x264_mb_encode_i4x4( x264_t *h, int idx, int i_qscale )
{
- const int i_stride = h->mb.pic.i_stride[0];
- uint8_t *p_src = &h->mb.pic.p_fenc[0][4 * block_idx_x[idx] + 4 * block_idx_y[idx] * i_stride];
- uint8_t *p_dst = &h->mb.pic.p_fdec[0][4 * block_idx_x[idx] + 4 * block_idx_y[idx] * i_stride];
-
- int16_t dct4x4[4][4];
+ int x = 4 * block_idx_x[idx];
+ int y = 4 * block_idx_y[idx];
+ 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];
+ DECLARE_ALIGNED( int16_t, dct4x4[4][4], 16 );
- h->dctf.sub4x4_dct( dct4x4, p_src, i_stride, p_dst, i_stride );
+ if( h->mb.b_lossless )
+ {
+ h->zigzagf.sub_4x4( h->dct.block[idx].luma4x4, p_src, p_dst );
+ return;
+ }
- quant_4x4( dct4x4, i_qscale, 1 );
+ h->dctf.sub4x4_dct( dct4x4, p_src, p_dst );
- scan_zigzag_4x4full( h->dct.block[idx].luma4x4, dct4x4 );
+ if( h->mb.b_trellis )
+ x264_quant_4x4_trellis( h, dct4x4, CQM_4IY, i_qscale, DCT_LUMA_4x4, 1 );
+ else
+ h->quantf.quant_4x4( dct4x4, h->quant4_mf[CQM_4IY][i_qscale], h->quant4_bias[CQM_4IY][i_qscale] );
- x264_mb_dequant_4x4( dct4x4, i_qscale );
+ h->zigzagf.scan_4x4( h->dct.block[idx].luma4x4, dct4x4 );
+ h->quantf.dequant_4x4( dct4x4, h->dequant4_mf[CQM_4IY], i_qscale );
/* output samples to fdec */
- h->dctf.add4x4_idct( p_dst, i_stride, dct4x4 );
+ h->dctf.add4x4_idct( p_dst, dct4x4 );
+}
+
+void x264_mb_encode_i8x8( x264_t *h, int idx, int i_qscale )
+{
+ int x = 8 * (idx&1);
+ int y = 8 * (idx>>1);
+ 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];
+ DECLARE_ALIGNED( int16_t, dct8x8[8][8], 16 );
+
+ h->dctf.sub8x8_dct8( dct8x8, p_src, p_dst );
+
+ if( h->mb.b_trellis )
+ x264_quant_8x8_trellis( h, dct8x8, CQM_8IY, i_qscale, 1 );
+ else
+ h->quantf.quant_8x8( dct8x8, h->quant8_mf[CQM_8IY][i_qscale], h->quant8_bias[CQM_8IY][i_qscale] );
+
+ h->zigzagf.scan_8x8( h->dct.luma8x8[idx], dct8x8 );
+ h->quantf.dequant_8x8( dct8x8, h->dequant8_mf[CQM_8IY], i_qscale );
+ h->dctf.add8x8_idct8( p_dst, dct8x8 );
}
static void x264_mb_encode_i16x16( x264_t *h, int i_qscale )
{
- const int i_stride = h->mb.pic.i_stride[0];
uint8_t *p_src = h->mb.pic.p_fenc[0];
uint8_t *p_dst = h->mb.pic.p_fdec[0];
- int16_t dct4x4[16+1][4][4];
+ DECLARE_ALIGNED( int16_t, dct4x4[16+1][4][4], 16 );
int i;
- h->dctf.sub16x16_dct( &dct4x4[1], p_src, i_stride, p_dst, i_stride );
+ if( h->mb.b_lossless )
+ {
+ for( i = 0; i < 16; 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->zigzagf.sub_4x4ac( h->dct.block[i].residual_ac, p_src+oe, p_dst+od );
+ dct4x4[0][block_idx_x[i]][block_idx_y[i]] = p_src[oe] - p_dst[od];
+ p_dst[od] = p_src[oe];
+ }
+ h->zigzagf.scan_4x4( h->dct.luma16x16_dc, dct4x4[0] );
+ return;
+ }
+
+ h->dctf.sub16x16_dct( &dct4x4[1], p_src, p_dst );
for( i = 0; i < 16; i++ )
{
/* copy dc coeff */
dct4x4[0][block_idx_y[i]][block_idx_x[i]] = dct4x4[1+i][0][0];
/* quant/scan/dequant */
- quant_4x4( dct4x4[1+i], i_qscale, 1 );
- scan_zigzag_4x4( h->dct.block[i].residual_ac, dct4x4[1+i] );
- x264_mb_dequant_4x4( dct4x4[1+i], i_qscale );
+ if( h->mb.b_trellis )
+ x264_quant_4x4_trellis( h, dct4x4[1+i], CQM_4IY, i_qscale, DCT_LUMA_AC, 1 );
+ else
+ h->quantf.quant_4x4( dct4x4[1+i], h->quant4_mf[CQM_4IY][i_qscale], h->quant4_bias[CQM_4IY][i_qscale] );
+
+ h->zigzagf.scan_4x4ac( h->dct.block[i].residual_ac, dct4x4[1+i] );
+ h->quantf.dequant_4x4( dct4x4[1+i], h->dequant4_mf[CQM_4IY], i_qscale );
}
h->dctf.dct4x4dc( dct4x4[0] );
- quant_4x4_dc( dct4x4[0], i_qscale );
- scan_zigzag_4x4full( h->dct.luma16x16_dc, dct4x4[0] );
+ h->quantf.quant_4x4_dc( dct4x4[0], h->quant4_mf[CQM_4IY][i_qscale][0]>>1, h->quant4_bias[CQM_4IY][i_qscale][0]<<1 );
+ h->zigzagf.scan_4x4( h->dct.luma16x16_dc, dct4x4[0] );
/* output samples to fdec */
h->dctf.idct4x4dc( dct4x4[0] );
- x264_mb_dequant_4x4_dc( dct4x4[0], i_qscale ); /* XXX not inversed */
+ x264_mb_dequant_4x4_dc( dct4x4[0], h->dequant4_mf[CQM_4IY], i_qscale ); /* XXX not inversed */
/* calculate dct coeffs */
for( i = 0; i < 16; i++ )
dct4x4[1+i][0][0] = dct4x4[0][block_idx_y[i]][block_idx_x[i]];
}
/* put pixels to fdec */
- h->dctf.add16x16_idct( p_dst, i_stride, &dct4x4[1] );
+ h->dctf.add16x16_idct( p_dst, &dct4x4[1] );
}
-static void x264_mb_encode_8x8( x264_t *h, int b_inter, int i_qscale )
+void x264_mb_encode_8x8_chroma( x264_t *h, int b_inter, int i_qscale )
{
int i, ch;
+ int b_decimate = b_inter && (h->sh.i_type == SLICE_TYPE_B || h->param.analyse.b_dct_decimate);
for( ch = 0; ch < 2; ch++ )
{
- const int i_stride = h->mb.pic.i_stride[1+ch];
uint8_t *p_src = h->mb.pic.p_fenc[1+ch];
uint8_t *p_dst = h->mb.pic.p_fdec[1+ch];
int i_decimate_score = 0;
- int16_t dct2x2[2][2];
- int16_t dct4x4[4][4][4];
+ DECLARE_ALIGNED( int16_t, dct2x2[2][2] , 16 );
+ DECLARE_ALIGNED( int16_t, dct4x4[4][4][4], 16 );
- h->dctf.sub8x8_dct( dct4x4, p_src, i_stride, p_dst, i_stride );
+ if( h->mb.b_lossless )
+ {
+ for( 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->zigzagf.sub_4x4ac( h->dct.block[16+i+ch*4].residual_ac, p_src+oe, p_dst+od );
+ h->dct.chroma_dc[ch][i] = p_src[oe] - p_dst[od];
+ p_dst[od] = p_src[oe];
+ }
+ continue;
+ }
+
+ h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
/* calculate dct coeffs */
for( i = 0; i < 4; i++ )
{
/* copy dc coeff */
dct2x2[block_idx_y[i]][block_idx_x[i]] = dct4x4[i][0][0];
- quant_4x4( dct4x4[i], i_qscale, b_inter ? 0 : 1 );
- scan_zigzag_4x4( h->dct.block[16+i+ch*4].residual_ac, dct4x4[i] );
- x264_mb_dequant_4x4( dct4x4[i], i_qscale );
+ /* no trellis; it doesn't seem to help chroma noticeably */
+ h->quantf.quant_4x4( dct4x4[i], h->quant4_mf[CQM_4IC+b_inter][i_qscale], h->quant4_bias[CQM_4IC+b_inter][i_qscale] );
+ h->zigzagf.scan_4x4ac( h->dct.block[16+i+ch*4].residual_ac, dct4x4[i] );
- if( b_inter )
+ if( b_decimate )
{
i_decimate_score += x264_mb_decimate_score( h->dct.block[16+i+ch*4].residual_ac, 15 );
}
}
h->dctf.dct2x2dc( dct2x2 );
- quant_2x2_dc( dct2x2, i_qscale, b_inter ? 0 : 1 );
- scan_zigzag_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
+ h->quantf.quant_2x2_dc( dct2x2, h->quant4_mf[CQM_4IC+b_inter][i_qscale][0]>>1, h->quant4_bias[CQM_4IC+b_inter][i_qscale][0]<<1 );
+ zigzag_scan_2x2_dc( h->dct.chroma_dc[ch], dct2x2 );
/* output samples to fdec */
h->dctf.idct2x2dc( dct2x2 );
- x264_mb_dequant_2x2_dc( dct2x2, i_qscale ); /* XXX not inversed */
+ x264_mb_dequant_2x2_dc( dct2x2, h->dequant4_mf[CQM_4IC + b_inter], i_qscale ); /* XXX not inversed */
- if( b_inter && i_decimate_score < 7 )
+ if( b_decimate && i_decimate_score < 7 )
{
/* Near null chroma 8x8 block so make it null (bits saving) */
+ memset( &h->dct.block[16+ch*4], 0, 4 * sizeof( *h->dct.block ) );
+ if( !array_non_zero( dct2x2 ) )
+ continue;
+ memset( dct4x4, 0, sizeof( dct4x4 ) );
+ }
+ else
+ {
for( i = 0; i < 4; i++ )
- {
- int x, y;
- for( x = 0; x < 15; x++ )
- {
- h->dct.block[16+i+ch*4].residual_ac[x] = 0;
- }
- for( x = 0; x < 4; x++ )
- {
- for( y = 0; y < 4; y++ )
- {
- dct4x4[i][x][y] = 0;
- }
- }
- }
+ h->quantf.dequant_4x4( dct4x4[i], h->dequant4_mf[CQM_4IC + b_inter], i_qscale );
}
- /* calculate dct coeffs */
for( i = 0; i < 4; i++ )
- {
- /* copy dc coeff */
- dct4x4[i][0][0] = dct2x2[block_idx_y[i]][block_idx_x[i]];
- }
- h->dctf.add8x8_idct( p_dst, i_stride, dct4x4 );
+ dct4x4[i][0][0] = dct2x2[0][i];
+ h->dctf.add8x8_idct( p_dst, dct4x4 );
}
+
+ /* coded block pattern */
+ h->mb.i_cbp_chroma = 0;
+ for( i = 0; i < 8; i++ )
+ {
+ int nz = array_non_zero_count( h->dct.block[16+i].residual_ac, 15 );
+ h->mb.cache.non_zero_count[x264_scan8[16+i]] = nz;
+ h->mb.i_cbp_chroma |= nz;
+ }
+ if( h->mb.i_cbp_chroma )
+ h->mb.i_cbp_chroma = 2; /* dc+ac (we can't do only ac) */
+ else if( array_non_zero( h->dct.chroma_dc ) )
+ h->mb.i_cbp_chroma = 1; /* dc only */
}
-/*****************************************************************************
- * x264_macroblock_encode_pskip:
- * Encode an already marked skip block
- *****************************************************************************/
-void x264_macroblock_encode_pskip( x264_t *h )
+static void x264_macroblock_encode_skip( x264_t *h )
{
- const int mvx = h->mb.cache.mv[0][x264_scan8[0]][0];
- const int mvy = h->mb.cache.mv[0][x264_scan8[0]][1];
int i;
-
- /* Motion compensation XXX probably unneeded */
- h->mc[MC_LUMA]( h->mb.pic.p_fref[0][0][0], h->mb.pic.i_stride[0],
- h->mb.pic.p_fdec[0], h->mb.pic.i_stride[0],
- mvx, mvy, 16, 16 );
-
- /* Chroma MC */
- h->mc[MC_CHROMA]( h->mb.pic.p_fref[0][0][1], h->mb.pic.i_stride[1],
- h->mb.pic.p_fdec[1], h->mb.pic.i_stride[1],
- mvx, mvy, 8, 8 );
-
- h->mc[MC_CHROMA]( h->mb.pic.p_fref[0][0][2], h->mb.pic.i_stride[2],
- h->mb.pic.p_fdec[2], h->mb.pic.i_stride[2],
- mvx, mvy, 8, 8 );
-
h->mb.i_cbp_luma = 0x00;
h->mb.i_cbp_chroma = 0x00;
h->mb.cbp[h->mb.i_mb_xy] = 0;
}
+/*****************************************************************************
+ * x264_macroblock_encode_pskip:
+ * Encode an already marked skip block
+ *****************************************************************************/
+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] );
+
+ /* Motion compensation XXX probably unneeded */
+ 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 );
+
+ /* Chroma MC */
+ 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 );
+
+ x264_macroblock_encode_skip( h );
+}
+
/*****************************************************************************
* x264_macroblock_encode:
*****************************************************************************/
void x264_macroblock_encode( x264_t *h )
{
int i_cbp_dc = 0;
- int i_qscale;
+ 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_force_no_skip = 0;
int i;
+ 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]) )
+ {
+ /* The first skip is predicted to be a frame mb pair.
+ * We don't yet support the aff part of mbaff, so force it to non-skip
+ * so that we can pick the aff flag. */
+ b_force_no_skip = 1;
+ if( IS_SKIP(h->mb.i_type) )
+ {
+ if( h->mb.i_type == P_SKIP )
+ h->mb.i_type = P_L0;
+ else if( h->mb.i_type == B_SKIP )
+ h->mb.i_type = B_DIRECT;
+ }
+ }
+
if( h->mb.i_type == P_SKIP )
{
/* A bit special */
x264_macroblock_encode_pskip( h );
return;
}
-
- /* quantification scale */
- i_qscale = h->mb.qp[h->mb.i_mb_xy];
+ if( h->mb.i_type == B_SKIP )
+ {
+ /* XXX motion compensation is probably unneeded */
+ x264_mb_mc( h );
+ x264_macroblock_encode_skip( h );
+ return;
+ }
if( h->mb.i_type == I_16x16 )
{
const int i_mode = h->mb.i_intra16x16_pred_mode;
+ h->mb.b_transform_8x8 = 0;
/* do the right prediction */
- h->predict_16x16[i_mode]( h->mb.pic.p_fdec[0], h->mb.pic.i_stride[0] );
+ h->predict_16x16[i_mode]( h->mb.pic.p_fdec[0] );
/* encode the 16x16 macroblock */
- x264_mb_encode_i16x16( h, i_qscale );
+ x264_mb_encode_i16x16( h, i_qp );
+ }
+ else if( h->mb.i_type == I_8x8 )
+ {
+ DECLARE_ALIGNED( uint8_t, edge[33], 16 );
+ 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 );
+ /* 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++ )
+ {
+ 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]];
- /* fix the pred mode value */
- h->mb.i_intra16x16_pred_mode = x264_mb_pred_mode16x16_fix[i_mode];
+ x264_predict_8x8_filter( p_dst, edge, h->mb.i_neighbour8[i], x264_pred_i4x4_neighbors[i_mode] );
+ h->predict_8x8[i_mode]( p_dst, edge );
+ x264_mb_encode_i8x8( h, i, i_qp );
+ }
}
else if( h->mb.i_type == I_4x4 )
{
- for( i = 0; i < 16; i++ )
+ h->mb.b_transform_8x8 = 0;
+ /* If we already encoded 15 of the 16 i4x4 blocks, we don't have to do them again. */
+ if( h->mb.i_skip_intra )
{
- const int i_dst = h->mb.pic.i_stride[0];
- uint8_t *p_dst = &h->mb.pic.p_fdec[0][4 * block_idx_x[i] + 4 * block_idx_y[i] * i_dst];
+ h->mc.copy[PIXEL_16x16]( h->mb.pic.p_fdec[0], FDEC_STRIDE, h->mb.pic.i4x4_fdec_buf, 16, 16 );
+ /* In RD mode, restore the now-overwritten DCT data. */
+ if( h->mb.i_skip_intra == 2 )
+ h->mc.memcpy_aligned( h->dct.block, 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++ )
+ {
+ uint8_t *p_dst = &h->mb.pic.p_fdec[0][4 * block_idx_x[i] + 4 * block_idx_y[i] * FDEC_STRIDE];
int i_mode = h->mb.cache.intra4x4_pred_mode[x264_scan8[i]];
- /* Do the right prediction */
- h->predict_4x4[i_mode]( p_dst, i_dst );
-
- /* encode one 4x4 block */
- x264_mb_encode_i4x4( h, i, i_qscale );
+ 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;
- /* fix the pred mode value */
- h->mb.cache.intra4x4_pred_mode[x264_scan8[i]] = x264_mb_pred_mode4x4_fix[i_mode];
+ h->predict_4x4[i_mode]( p_dst );
+ x264_mb_encode_i4x4( h, i, i_qp );
}
}
else /* Inter MB */
{
- int16_t dct4x4[16][4][4];
-
int i8x8, i4x4, idx;
int i_decimate_mb = 0;
/* Motion compensation */
x264_mb_mc( h );
- h->dctf.sub16x16_dct( dct4x4,
- h->mb.pic.p_fenc[0], h->mb.pic.i_stride[0],
- h->mb.pic.p_fdec[0], h->mb.pic.i_stride[0] );
-
- for( i8x8 = 0; i8x8 < 4; i8x8++ )
+ if( h->mb.b_lossless )
{
- int i_decimate_8x8;
-
- /* encode one 4x4 block */
- i_decimate_8x8 = 0;
- for( i4x4 = 0; i4x4 < 4; i4x4++ )
+ for( i4x4 = 0; i4x4 < 16; i4x4++ )
{
- idx = i8x8 * 4 + i4x4;
-
- quant_4x4( dct4x4[idx], i_qscale, 0 );
- scan_zigzag_4x4full( h->dct.block[idx].luma4x4, dct4x4[idx] );
- x264_mb_dequant_4x4( dct4x4[idx], i_qscale );
-
- i_decimate_8x8 += x264_mb_decimate_score( h->dct.block[idx].luma4x4, 16 );
+ int x = 4*block_idx_x[i4x4];
+ int y = 4*block_idx_y[i4x4];
+ h->zigzagf.sub_4x4( h->dct.block[i4x4].luma4x4,
+ h->mb.pic.p_fenc[0]+x+y*FENC_STRIDE,
+ h->mb.pic.p_fdec[0]+x+y*FDEC_STRIDE );
}
+ }
+ else if( h->mb.b_transform_8x8 )
+ {
+ DECLARE_ALIGNED( int16_t, dct8x8[4][8][8], 16 );
+ int nnz8x8[4] = {1,1,1,1};
+ b_decimate &= !h->mb.b_trellis; // 8x8 trellis is inherently optimal decimation
+ h->dctf.sub16x16_dct8( dct8x8, h->mb.pic.p_fenc[0], h->mb.pic.p_fdec[0] );
- /* decimate this 8x8 block */
- i_decimate_mb += i_decimate_8x8;
- if( i_decimate_8x8 < 4 )
+ for( idx = 0; idx < 4; idx++ )
{
- for( i4x4 = 0; i4x4 < 4; i4x4++ )
+ if( h->mb.b_noise_reduction )
+ x264_denoise_dct( h, (int16_t*)dct8x8[idx] );
+ if( h->mb.b_trellis )
+ x264_quant_8x8_trellis( h, dct8x8[idx], CQM_8PY, i_qp, 0 );
+ else
+ h->quantf.quant_8x8( dct8x8[idx], h->quant8_mf[CQM_8PY][i_qp], h->quant8_bias[CQM_8PY][i_qp] );
+
+ h->zigzagf.scan_8x8( h->dct.luma8x8[idx], dct8x8[idx] );
+
+ if( b_decimate )
{
- int x, y;
- idx = i8x8 * 4 + i4x4;
- for( i = 0; i < 16; i++ )
+ int i_decimate_8x8 = x264_mb_decimate_score( h->dct.luma8x8[idx], 64 );
+ i_decimate_mb += i_decimate_8x8;
+ if( i_decimate_8x8 < 4 )
{
- h->dct.block[idx].luma4x4[i] = 0;
+ memset( h->dct.luma8x8[idx], 0, sizeof( h->dct.luma8x8[idx] ) );
+ memset( dct8x8[idx], 0, sizeof( dct8x8[idx] ) );
+ nnz8x8[idx] = 0;
}
- for( x = 0; x < 4; x++ )
+ }
+ else
+ nnz8x8[idx] = array_non_zero( dct8x8[idx] );
+ }
+
+ if( i_decimate_mb < 6 && b_decimate )
+ memset( h->dct.luma8x8, 0, sizeof( h->dct.luma8x8 ) );
+ else
+ {
+ for( idx = 0; idx < 4; idx++ )
+ if( nnz8x8[idx] )
{
- for( y = 0; y < 4; y++ )
- {
- dct4x4[idx][x][y] = 0;
- }
+ 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] );
}
- }
}
}
-
- if( i_decimate_mb < 6 )
+ else
{
- for( idx = 0; idx < 16; idx++ )
+ DECLARE_ALIGNED( int16_t, dct4x4[16][4][4], 16 );
+ int nnz8x8[4] = {1,1,1,1};
+ h->dctf.sub16x16_dct( dct4x4, h->mb.pic.p_fenc[0], h->mb.pic.p_fdec[0] );
+
+ for( i8x8 = 0; i8x8 < 4; i8x8++ )
{
- for( i = 0; i < 16; i++ )
+ int i_decimate_8x8;
+
+ /* encode one 4x4 block */
+ i_decimate_8x8 = 0;
+ for( i4x4 = 0; i4x4 < 4; i4x4++ )
+ {
+ idx = i8x8 * 4 + i4x4;
+
+ if( h->mb.b_noise_reduction )
+ x264_denoise_dct( h, (int16_t*)dct4x4[idx] );
+ if( h->mb.b_trellis )
+ x264_quant_4x4_trellis( h, dct4x4[idx], CQM_4PY, i_qp, DCT_LUMA_4x4, 0 );
+ else
+ h->quantf.quant_4x4( dct4x4[idx], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] );
+
+ h->zigzagf.scan_4x4( h->dct.block[idx].luma4x4, dct4x4[idx] );
+
+ if( b_decimate )
+ i_decimate_8x8 += x264_mb_decimate_score( h->dct.block[idx].luma4x4, 16 );
+ }
+
+ /* decimate this 8x8 block */
+ i_decimate_mb += i_decimate_8x8;
+ if( i_decimate_8x8 < 4 && b_decimate )
{
- h->dct.block[idx].luma4x4[i] = 0;
+ memset( &dct4x4[i8x8*4], 0, 4 * sizeof( *dct4x4 ) );
+ memset( &h->dct.block[i8x8*4], 0, 4 * sizeof( *h->dct.block ) );
+ nnz8x8[i8x8] = 0;
}
}
- }
- else
- {
- h->dctf.add16x16_idct( h->mb.pic.p_fdec[0], h->mb.pic.i_stride[0], dct4x4 );
+
+ if( i_decimate_mb < 6 && b_decimate )
+ memset( h->dct.block, 0, 16 * sizeof( *h->dct.block ) );
+ else
+ {
+ for( i8x8 = 0; i8x8 < 4; i8x8++ )
+ if( nnz8x8[i8x8] )
+ {
+ for( i = 0; i < 4; i++ )
+ h->quantf.dequant_4x4( dct4x4[i8x8*4+i], h->dequant4_mf[CQM_4PY], i_qp );
+ h->dctf.add8x8_idct( &h->mb.pic.p_fdec[0][(i8x8&1)*8 + (i8x8>>1)*8*FDEC_STRIDE], &dct4x4[i8x8*4] );
+ }
+ }
}
}
/* encode chroma */
- i_qscale = i_chroma_qp_table[x264_clip3( i_qscale + h->pps->i_chroma_qp_index_offset, 0, 51 )];
if( IS_INTRA( h->mb.i_type ) )
{
const int i_mode = h->mb.i_chroma_pred_mode;
- /* do the right prediction */
- h->predict_8x8[i_mode]( h->mb.pic.p_fdec[1], h->mb.pic.i_stride[1] );
- h->predict_8x8[i_mode]( h->mb.pic.p_fdec[2], h->mb.pic.i_stride[2] );
-
- /* fix the pred mode value */
- h->mb.i_chroma_pred_mode = x264_mb_pred_mode8x8_fix[i_mode];
+ h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[1] );
+ h->predict_8x8c[i_mode]( h->mb.pic.p_fdec[2] );
}
/* encode the 8x8 blocks */
- x264_mb_encode_8x8( h, !IS_INTRA( h->mb.i_type ), i_qscale );
+ x264_mb_encode_8x8_chroma( h, !IS_INTRA( h->mb.i_type ), h->mb.i_chroma_qp );
- /* Calculate the Luma/Chroma patern and non_zero_count */
+ /* coded block pattern and non_zero_count */
+ h->mb.i_cbp_luma = 0x00;
if( h->mb.i_type == I_16x16 )
{
- h->mb.i_cbp_luma = 0x00;
for( i = 0; i < 16; i++ )
{
const int nz = array_non_zero_count( h->dct.block[i].residual_ac, 15 );
h->mb.cache.non_zero_count[x264_scan8[i]] = nz;
if( nz > 0 )
- {
h->mb.i_cbp_luma = 0x0f;
- }
+ }
+ }
+ else if( h->mb.b_transform_8x8 )
+ {
+ /* coded_block_flag is enough for CABAC.
+ * the full non_zero_count is done only in CAVLC. */
+ for( i = 0; i < 4; i++ )
+ {
+ const int nz = array_non_zero( h->dct.luma8x8[i] );
+ int j;
+ for( j = 0; j < 4; j++ )
+ h->mb.cache.non_zero_count[x264_scan8[4*i+j]] = nz;
+ if( nz > 0 )
+ h->mb.i_cbp_luma |= 1 << i;
}
}
else
{
- h->mb.i_cbp_luma = 0x00;
for( i = 0; i < 16; i++ )
{
const int nz = array_non_zero_count( h->dct.block[i].luma4x4, 16 );
h->mb.cache.non_zero_count[x264_scan8[i]] = nz;
if( nz > 0 )
- {
h->mb.i_cbp_luma |= 1 << (i/4);
- }
}
}
- /* Calculate the chroma patern */
- h->mb.i_cbp_chroma = 0x00;
- for( i = 0; i < 8; i++ )
- {
- const int nz = array_non_zero_count( h->dct.block[16+i].residual_ac, 15 );
- h->mb.cache.non_zero_count[x264_scan8[16+i]] = nz;
- if( nz > 0 )
- {
- h->mb.i_cbp_chroma = 0x02; /* dc+ac (we can't do only ac) */
- }
- }
- if( h->mb.i_cbp_chroma == 0x00 &&
- ( array_non_zero_count( h->dct.chroma_dc[0], 4 ) > 0 || array_non_zero_count( h->dct.chroma_dc[1], 4 ) ) > 0 )
- {
- h->mb.i_cbp_chroma = 0x01; /* dc only */
- }
-
if( h->param.b_cabac )
{
- if( h->mb.i_type == I_16x16 && array_non_zero_count( h->dct.luma16x16_dc, 16 ) > 0 )
- i_cbp_dc = 0x01;
- else
- i_cbp_dc = 0x00;
-
- if( array_non_zero_count( h->dct.chroma_dc[0], 4 ) > 0 )
- i_cbp_dc |= 0x02;
- if( array_non_zero_count( h->dct.chroma_dc[1], 4 ) > 0 )
- i_cbp_dc |= 0x04;
+ i_cbp_dc = ( h->mb.i_type == I_16x16 && array_non_zero( h->dct.luma16x16_dc ) )
+ | array_non_zero( h->dct.chroma_dc[0] ) << 1
+ | array_non_zero( h->dct.chroma_dc[1] ) << 2;
}
/* store cbp */
/* Check for P_SKIP
* XXX: in the me perhaps we should take x264_mb_predict_mv_pskip into account
* (if multiple mv give same result)*/
- if( h->mb.i_type == P_L0 && h->mb.i_partition == D_16x16 &&
- h->mb.i_cbp_luma == 0x00 && h->mb.i_cbp_chroma== 0x00 &&
- h->mb.qp[h->mb.i_mb_xy] == h->mb.i_last_qp )
+ if( !b_force_no_skip )
{
- if( h->mb.cache.ref[0][x264_scan8[0]] == 0 )
+ if( h->mb.i_type == P_L0 && h->mb.i_partition == D_16x16 &&
+ h->mb.i_cbp_luma == 0x00 && h->mb.i_cbp_chroma == 0x00 &&
+ h->mb.cache.mv[0][x264_scan8[0]][0] == h->mb.cache.pskip_mv[0] &&
+ h->mb.cache.mv[0][x264_scan8[0]][1] == h->mb.cache.pskip_mv[1] &&
+ h->mb.cache.ref[0][x264_scan8[0]] == 0 )
{
- int mvp[2];
+ h->mb.i_type = P_SKIP;
+ }
- x264_mb_predict_mv_pskip( h, mvp );
- if( h->mb.cache.mv[0][x264_scan8[0]][0] == mvp[0] &&
- h->mb.cache.mv[0][x264_scan8[0]][1] == mvp[1] )
- {
- h->mb.type[h->mb.i_mb_xy] = h->mb.i_type = P_SKIP;
- }
+ /* Check for B_SKIP */
+ if( h->mb.i_type == B_DIRECT &&
+ h->mb.i_cbp_luma == 0x00 && h->mb.i_cbp_chroma== 0x00 )
+ {
+ h->mb.i_type = B_SKIP;
}
}
}
/*****************************************************************************
- * x264_macroblock_probe_pskip:
- * Check if the current MB could be encoded as a P_SKIP (it supposes you use
+ * x264_macroblock_probe_skip:
+ * Check if the current MB could be encoded as a [PB]_SKIP (it supposes you use
* the previous QP
*****************************************************************************/
-int x264_macroblock_probe_pskip( x264_t *h )
+int x264_macroblock_probe_skip( x264_t *h, const int b_bidir )
{
DECLARE_ALIGNED( int16_t, dct4x4[16][4][4], 16 );
DECLARE_ALIGNED( int16_t, dct2x2[2][2], 16 );
DECLARE_ALIGNED( int, dctscan[16], 16 );
- int i_qp;
+ int i_qp = h->mb.i_qp;
int mvp[2];
int ch;
- int n;
int i8x8, i4x4;
int i_decimate_mb;
- /* quantification scale */
- i_qp = h->mb.qp[h->mb.i_mb_xy];
-
- /* Get the MV */
- x264_mb_predict_mv_pskip( h, mvp );
-
- /* Special case, need to clip the vector */
- n = 16 * h->mb.i_mb_x + mvp[0];
- if( n < -24 )
- mvp[0] = -24 - 16*h->mb.i_mb_x;
- else if( n > 16 * h->sps->i_mb_width + 24 )
- mvp[0] = 16 * ( h->sps->i_mb_width - h->mb.i_mb_x ) + 24;
-
- n = 16 * h->mb.i_mb_y + mvp[1];
- if( n < -24 )
- mvp[1] = -24 - 16*h->mb.i_mb_y;
- else if( n > 16 * h->sps->i_mb_height + 8 )
- mvp[1] = 16 * ( h->sps->i_mb_height - h->mb.i_mb_y ) + 8;
-
+ if( !b_bidir )
+ {
+ /* Get the MV */
+ mvp[0] = x264_clip3( h->mb.cache.pskip_mv[0], h->mb.mv_min[0], h->mb.mv_max[0] );
+ mvp[1] = x264_clip3( h->mb.cache.pskip_mv[1], h->mb.mv_min[1], h->mb.mv_max[1] );
- /* Motion compensation */
- h->mc[MC_LUMA]( h->mb.pic.p_fref[0][0][0], h->mb.pic.i_stride[0],
- h->mb.pic.p_fdec[0], h->mb.pic.i_stride[0],
- mvp[0], mvp[1], 16, 16 );
+ /* 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 );
+ }
/* get luma diff */
- h->dctf.sub16x16_dct( dct4x4, h->mb.pic.p_fenc[0], h->mb.pic.i_stride[0],
- h->mb.pic.p_fdec[0], h->mb.pic.i_stride[0] );
+ h->dctf.sub16x16_dct( dct4x4, h->mb.pic.p_fenc[0],
+ h->mb.pic.p_fdec[0] );
for( i8x8 = 0, i_decimate_mb = 0; i8x8 < 4; i8x8++ )
{
{
const int idx = i8x8 * 4 + i4x4;
- quant_4x4( dct4x4[idx], i_qp, 0 );
- scan_zigzag_4x4full( dctscan, dct4x4[idx] );
+ h->quantf.quant_4x4( dct4x4[idx], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] );
+ h->zigzagf.scan_4x4( dctscan, dct4x4[idx] );
i_decimate_mb += x264_mb_decimate_score( dctscan, 16 );
}
/* encode chroma */
- i_qp = i_chroma_qp_table[x264_clip3( i_qp + h->pps->i_chroma_qp_index_offset, 0, 51 )];
+ i_qp = h->mb.i_chroma_qp;
for( ch = 0; ch < 2; ch++ )
{
- const int i_stride = h->mb.pic.i_stride[1+ch];
uint8_t *p_src = h->mb.pic.p_fenc[1+ch];
uint8_t *p_dst = h->mb.pic.p_fdec[1+ch];
- h->mc[MC_CHROMA]( h->mb.pic.p_fref[0][0][1+ch], i_stride,
- h->mb.pic.p_fdec[1+ch], i_stride,
- mvp[0], mvp[1], 8, 8 );
+ 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],
+ mvp[0], mvp[1], 8, 8 );
+ }
- h->dctf.sub8x8_dct( dct4x4, p_src, i_stride, p_dst, i_stride );
+ h->dctf.sub8x8_dct( dct4x4, p_src, p_dst );
/* calculate dct DC */
dct2x2[0][0] = dct4x4[0][0][0];
dct2x2[1][0] = dct4x4[2][0][0];
dct2x2[1][1] = dct4x4[3][0][0];
h->dctf.dct2x2dc( dct2x2 );
- quant_2x2_dc( dct2x2, i_qp, 0 );
+ h->quantf.quant_2x2_dc( dct2x2, h->quant4_mf[CQM_4PC][i_qp][0]>>1, h->quant4_bias[CQM_4PC][i_qp][0]<<1 );
if( dct2x2[0][0] || dct2x2[0][1] || dct2x2[1][0] || dct2x2[1][1] )
{
/* can't be */
/* calculate dct coeffs */
for( i4x4 = 0, i_decimate_mb = 0; i4x4 < 4; i4x4++ )
{
- quant_4x4( dct4x4[i4x4], i_qp, 0 );
- scan_zigzag_4x4( dctscan, dct4x4[i4x4] );
+ h->quantf.quant_4x4( dct4x4[i4x4], h->quant4_mf[CQM_4PC][i_qp], h->quant4_bias[CQM_4PC][i_qp] );
+ h->zigzagf.scan_4x4ac( dctscan, dct4x4[i4x4] );
i_decimate_mb += x264_mb_decimate_score( dctscan, 15 );
if( i_decimate_mb >= 7 )
return 1;
}
+
+/****************************************************************************
+ * DCT-domain noise reduction / adaptive deadzone
+ * from libavcodec
+ ****************************************************************************/
+
+void x264_noise_reduction_update( x264_t *h )
+{
+ int cat, i;
+ for( cat = 0; cat < 2; cat++ )
+ {
+ int size = cat ? 64 : 16;
+ const uint16_t *weight = cat ? x264_dct8_weight2_tab : x264_dct4_weight2_tab;
+
+ if( h->nr_count[cat] > (cat ? (1<<16) : (1<<18)) )
+ {
+ for( i = 0; i < size; i++ )
+ h->nr_residual_sum[cat][i] >>= 1;
+ h->nr_count[cat] >>= 1;
+ }
+
+ for( 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);
+ }
+}
+
+void x264_denoise_dct( x264_t *h, int16_t *dct )
+{
+ const int cat = h->mb.b_transform_8x8;
+ int i;
+
+ h->nr_count[cat]++;
+
+ for( i = (cat ? 63 : 15); i >= 1; i-- )
+ {
+ int level = dct[i];
+ if( level )
+ {
+ if( level > 0 )
+ {
+ h->nr_residual_sum[cat][i] += level;
+ level -= h->nr_offset[cat][i];
+ if( level < 0 )
+ level = 0;
+ }
+ else
+ {
+ h->nr_residual_sum[cat][i] -= level;
+ level += h->nr_offset[cat][i];
+ if( level > 0 )
+ level = 0;
+ }
+ dct[i] = level;
+ }
+ }
+}
+
+/*****************************************************************************
+ * RD only; 4 calls to this do not make up for one macroblock_encode.
+ * doesn't transform chroma dc.
+ *****************************************************************************/
+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 nnz8x8;
+ int ch;
+
+ x264_mb_mc_8x8( h, i8 );
+
+ if( h->mb.b_transform_8x8 )
+ {
+ DECLARE_ALIGNED( int16_t, dct8x8[8][8], 16 );
+ h->dctf.sub8x8_dct8( dct8x8, p_fenc, p_fdec );
+ h->quantf.quant_8x8( dct8x8, h->quant8_mf[CQM_8PY][i_qp], h->quant8_bias[CQM_8PY][i_qp] );
+ h->zigzagf.scan_8x8( h->dct.luma8x8[i8], dct8x8 );
+
+ if( b_decimate )
+ nnz8x8 = 4 <= x264_mb_decimate_score( h->dct.luma8x8[i8], 64 );
+ else
+ nnz8x8 = array_non_zero( dct8x8 );
+
+ if( nnz8x8 )
+ {
+ h->quantf.dequant_8x8( dct8x8, h->dequant8_mf[CQM_8PY], i_qp );
+ h->dctf.add8x8_idct8( p_fdec, dct8x8 );
+ }
+ }
+ else
+ {
+ int i4;
+ DECLARE_ALIGNED( int16_t, dct4x4[4][4][4], 16 );
+ h->dctf.sub8x8_dct( dct4x4, p_fenc, p_fdec );
+ h->quantf.quant_4x4( dct4x4[0], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] );
+ h->quantf.quant_4x4( dct4x4[1], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] );
+ h->quantf.quant_4x4( dct4x4[2], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] );
+ h->quantf.quant_4x4( dct4x4[3], h->quant4_mf[CQM_4PY][i_qp], h->quant4_bias[CQM_4PY][i_qp] );
+ for( i4 = 0; i4 < 4; i4++ )
+ h->zigzagf.scan_4x4( h->dct.block[i8*4+i4].luma4x4, dct4x4[i4] );
+
+ if( b_decimate )
+ {
+ int i_decimate_8x8 = 0;
+ for( i4 = 0; i4 < 4 && i_decimate_8x8 < 4; i4++ )
+ i_decimate_8x8 += x264_mb_decimate_score( h->dct.block[i8*4+i4].luma4x4, 16 );
+ nnz8x8 = 4 <= i_decimate_8x8;
+ }
+ else
+ nnz8x8 = array_non_zero( dct4x4 );
+
+ if( nnz8x8 )
+ {
+ for( i4 = 0; i4 < 4; i4++ )
+ h->quantf.dequant_4x4( dct4x4[i4], h->dequant4_mf[CQM_4PY], i_qp );
+ h->dctf.add8x8_idct( p_fdec, dct4x4 );
+ }
+ }
+
+ i_qp = h->mb.i_chroma_qp;
+
+ for( ch = 0; ch < 2; ch++ )
+ {
+ DECLARE_ALIGNED( int16_t, dct4x4[4][4], 16 );
+ 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;
+
+ h->dctf.sub4x4_dct( dct4x4, p_fenc, p_fdec );
+ h->quantf.quant_4x4( dct4x4, h->quant4_mf[CQM_4PC][i_qp], h->quant4_bias[CQM_4PC][i_qp] );
+ h->zigzagf.scan_4x4ac( h->dct.block[16+i8+ch*4].residual_ac, dct4x4 );
+ if( array_non_zero( dct4x4 ) )
+ {
+ h->quantf.dequant_4x4( dct4x4, h->dequant4_mf[CQM_4PC], i_qp );
+ h->dctf.add4x4_idct( p_fdec, dct4x4 );
+ }
+ }
+
+ if( nnz8x8 )
+ h->mb.i_cbp_luma |= (1 << i8);
+ else
+ h->mb.i_cbp_luma &= ~(1 << i8);
+ h->mb.i_cbp_chroma = 0x02;
+}
projects / x264 / blobdiff