/*****************************************************************************
* analyse.c: macroblock analysis
*****************************************************************************
- * Copyright (C) 2003-2013 x264 project
+ * Copyright (C) 2003-2016 x264 project
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Loren Merritt <lorenm@u.washington.edu>
static UNUSED x264_pthread_mutex_t cost_ref_mutex = X264_PTHREAD_MUTEX_INITIALIZER;
static uint16_t x264_cost_i4x4_mode[(QP_MAX+2)*32];
-float *x264_analyse_prepare_costs( x264_t *h )
-{
- float *logs = x264_malloc( (2*4*2048+1)*sizeof(float) );
- if( !logs )
- return NULL;
- logs[0] = 0.718f;
- for( int i = 1; i <= 2*4*2048; i++ )
- logs[i] = log2f(i+1)*2 + 1.718f;
- return logs;
-}
-
-int x264_analyse_init_costs( x264_t *h, float *logs, int qp )
+static int init_costs( x264_t *h, float *logs, int qp )
{
int lambda = x264_lambda_tab[qp];
if( h->cost_mv[qp] )
return -1;
}
+int x264_analyse_init_costs( x264_t *h )
+{
+ float *logs = x264_malloc( (2*4*2048+1) * sizeof(float) );
+ if( !logs )
+ return -1;
+
+ logs[0] = 0.718f;
+ for( int i = 1; i <= 2*4*2048; i++ )
+ logs[i] = log2f( i+1 ) * 2.0f + 1.718f;
+
+ for( int qp = X264_MIN( h->param.rc.i_qp_min, QP_MAX_SPEC ); qp <= h->param.rc.i_qp_max; qp++ )
+ if( init_costs( h, logs, qp ) )
+ goto fail;
+
+ if( init_costs( h, logs, X264_LOOKAHEAD_QP ) )
+ goto fail;
+
+ x264_free( logs );
+ return 0;
+fail:
+ x264_free( logs );
+ return -1;
+}
+
void x264_analyse_free_costs( x264_t *h )
{
for( int i = 0; i < QP_MAX+1; i++ )
/* non-RD PCM decision is inaccurate (as is psy-rd), so don't do it.
* PCM cost can overflow with high lambda2, so cap it at COST_MAX. */
uint64_t pcm_cost = ((uint64_t)X264_PCM_COST*a->i_lambda2 + 128) >> 8;
- a->i_satd_pcm = !h->mb.i_psy_rd && a->i_mbrd && pcm_cost < COST_MAX ? pcm_cost : COST_MAX;
+ a->i_satd_pcm = !h->param.i_avcintra_class && !h->mb.i_psy_rd && a->i_mbrd && pcm_cost < COST_MAX ? pcm_cost : COST_MAX;
a->b_fast_intra = 0;
a->b_avoid_topright = 0;
int lambda = a->i_lambda;
/*---------------- Try all mode and calculate their score ---------------*/
-
- /* 16x16 prediction selection */
- const int8_t *predict_mode = predict_16x16_mode_available( h->mb.i_neighbour_intra );
-
- /* Not heavily tuned */
- static const uint8_t i16x16_thresh_lut[11] = { 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4 };
- int i16x16_thresh = a->b_fast_intra ? (i16x16_thresh_lut[h->mb.i_subpel_refine]*i_satd_inter)>>1 : COST_MAX;
-
- if( !h->mb.b_lossless && predict_mode[3] >= 0 )
+ /* Disabled i16x16 for AVC-Intra compat */
+ if( !h->param.i_avcintra_class )
{
- h->pixf.intra_mbcmp_x3_16x16( p_src, p_dst, a->i_satd_i16x16_dir );
- a->i_satd_i16x16_dir[0] += lambda * bs_size_ue(0);
- a->i_satd_i16x16_dir[1] += lambda * bs_size_ue(1);
- a->i_satd_i16x16_dir[2] += lambda * bs_size_ue(2);
- COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[0], a->i_predict16x16, 0 );
- COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[1], a->i_predict16x16, 1 );
- COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[2], a->i_predict16x16, 2 );
+ const int8_t *predict_mode = predict_16x16_mode_available( h->mb.i_neighbour_intra );
- /* Plane is expensive, so don't check it unless one of the previous modes was useful. */
- if( a->i_satd_i16x16 <= i16x16_thresh )
+ /* Not heavily tuned */
+ static const uint8_t i16x16_thresh_lut[11] = { 2, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4 };
+ int i16x16_thresh = a->b_fast_intra ? (i16x16_thresh_lut[h->mb.i_subpel_refine]*i_satd_inter)>>1 : COST_MAX;
+
+ if( !h->mb.b_lossless && predict_mode[3] >= 0 )
{
- h->predict_16x16[I_PRED_16x16_P]( p_dst );
- a->i_satd_i16x16_dir[I_PRED_16x16_P] = h->pixf.mbcmp[PIXEL_16x16]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE );
- a->i_satd_i16x16_dir[I_PRED_16x16_P] += lambda * bs_size_ue(3);
- COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[I_PRED_16x16_P], a->i_predict16x16, 3 );
+ h->pixf.intra_mbcmp_x3_16x16( p_src, p_dst, a->i_satd_i16x16_dir );
+ a->i_satd_i16x16_dir[0] += lambda * bs_size_ue(0);
+ a->i_satd_i16x16_dir[1] += lambda * bs_size_ue(1);
+ a->i_satd_i16x16_dir[2] += lambda * bs_size_ue(2);
+ COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[0], a->i_predict16x16, 0 );
+ COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[1], a->i_predict16x16, 1 );
+ COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[2], a->i_predict16x16, 2 );
+
+ /* Plane is expensive, so don't check it unless one of the previous modes was useful. */
+ if( a->i_satd_i16x16 <= i16x16_thresh )
+ {
+ h->predict_16x16[I_PRED_16x16_P]( p_dst );
+ a->i_satd_i16x16_dir[I_PRED_16x16_P] = h->pixf.mbcmp[PIXEL_16x16]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE );
+ a->i_satd_i16x16_dir[I_PRED_16x16_P] += lambda * bs_size_ue(3);
+ COPY2_IF_LT( a->i_satd_i16x16, a->i_satd_i16x16_dir[I_PRED_16x16_P], a->i_predict16x16, 3 );
+ }
}
- }
- else
- {
- for( ; *predict_mode >= 0; predict_mode++ )
+ else
{
- int i_satd;
- int i_mode = *predict_mode;
+ for( ; *predict_mode >= 0; predict_mode++ )
+ {
+ int i_satd;
+ int i_mode = *predict_mode;
- if( h->mb.b_lossless )
- x264_predict_lossless_16x16( h, 0, i_mode );
- else
- h->predict_16x16[i_mode]( p_dst );
+ if( h->mb.b_lossless )
+ x264_predict_lossless_16x16( h, 0, i_mode );
+ else
+ h->predict_16x16[i_mode]( p_dst );
- i_satd = h->pixf.mbcmp[PIXEL_16x16]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE ) +
- lambda * bs_size_ue( x264_mb_pred_mode16x16_fix[i_mode] );
- COPY2_IF_LT( a->i_satd_i16x16, i_satd, a->i_predict16x16, i_mode );
- a->i_satd_i16x16_dir[i_mode] = i_satd;
+ i_satd = h->pixf.mbcmp[PIXEL_16x16]( p_dst, FDEC_STRIDE, p_src, FENC_STRIDE ) +
+ lambda * bs_size_ue( x264_mb_pred_mode16x16_fix[i_mode] );
+ COPY2_IF_LT( a->i_satd_i16x16, i_satd, a->i_predict16x16, i_mode );
+ a->i_satd_i16x16_dir[i_mode] = i_satd;
+ }
}
- }
- if( h->sh.i_type == SLICE_TYPE_B )
- /* cavlc mb type prefix */
- a->i_satd_i16x16 += lambda * i_mb_b_cost_table[I_16x16];
+ if( h->sh.i_type == SLICE_TYPE_B )
+ /* cavlc mb type prefix */
+ a->i_satd_i16x16 += lambda * i_mb_b_cost_table[I_16x16];
- if( a->i_satd_i16x16 > i16x16_thresh )
- return;
+ if( a->i_satd_i16x16 > i16x16_thresh )
+ return;
+ }
uint16_t *cost_i4x4_mode = (uint16_t*)ALIGN((intptr_t)x264_cost_i4x4_mode,64) + a->i_qp*32 + 8;
/* 8x8 prediction selection */
int i_best = COST_MAX;
int i_pred_mode = x264_mb_predict_intra4x4_mode( h, 4*idx );
- predict_mode = predict_8x8_mode_available( a->b_avoid_topright, h->mb.i_neighbour8[idx], idx );
+ const int8_t *predict_mode = predict_8x8_mode_available( a->b_avoid_topright, h->mb.i_neighbour8[idx], idx );
h->predict_8x8_filter( p_dst_by, edge, h->mb.i_neighbour8[idx], ALL_NEIGHBORS );
if( h->pixf.intra_mbcmp_x9_8x8 && predict_mode[8] >= 0 )
int i_best = COST_MAX;
int i_pred_mode = x264_mb_predict_intra4x4_mode( h, idx );
- predict_mode = predict_4x4_mode_available( a->b_avoid_topright, h->mb.i_neighbour4[idx], idx );
+ const int8_t *predict_mode = predict_4x4_mode_available( a->b_avoid_topright, h->mb.i_neighbour4[idx], idx );
if( (h->mb.i_neighbour4[idx] & (MB_TOPRIGHT|MB_TOP)) == MB_TOP )
/* emulate missing topright samples */
int cost00 = h->pixf.mbcmp[PIXEL_16x16]( h->mb.pic.p_fenc[0], FENC_STRIDE, pix0, 16 )
+ ref_costs + l0_mv_cost + l1_mv_cost;
- if( h->mb.b_chroma_me )
+ if( h->mb.b_chroma_me && cost00 < a->i_cost16x16bi )
{
ALIGNED_ARRAY_16( pixel, bi, [16*FENC_STRIDE] );
projects / x264 / blobdiff