int i_lambda;
int i_lambda2;
int i_qp;
- int16_t *p_cost_mv;
+ uint16_t *p_cost_mv;
uint16_t *p_cost_ref0;
uint16_t *p_cost_ref1;
int i_mbrd;
static void x264_analyse_update_cache( x264_t *h, x264_mb_analysis_t *a );
-/* Indexed by lambda instead of qp because, due to rounding,
- * some quantizers share lambdas. This saves memory. */
-uint16_t *x264_cost_mv_fpel[92][4];
-uint16_t x264_cost_ref[92][3][33];
+static uint16_t x264_cost_ref[92][3][33];
+static x264_pthread_mutex_t cost_ref_mutex = X264_PTHREAD_MUTEX_INITIALIZER;
-/* initialize an array of lambda*nbits for all possible mvs */
-static int x264_mb_analyse_load_costs( x264_t *h, x264_mb_analysis_t *a )
+int x264_analyse_init_costs( x264_t *h, int qp )
{
- static int16_t *p_cost_mv[92];
int i, j;
-
- if( !p_cost_mv[a->i_lambda] )
- {
- x264_emms();
- /* could be faster, but isn't called many times */
- /* factor of 4 from qpel, 2 from sign, and 2 because mv can be opposite from mvp */
- CHECKED_MALLOC( p_cost_mv[a->i_lambda], (4*4*2048 + 1) * sizeof(int16_t) );
- p_cost_mv[a->i_lambda] += 2*4*2048;
- for( i = 0; i <= 2*4*2048; i++ )
- {
- p_cost_mv[a->i_lambda][-i] =
- p_cost_mv[a->i_lambda][i] = a->i_lambda * (log2f(i+1)*2 + 0.718f + !!i) + .5f;
- }
- for( i = 0; i < 3; i++ )
- for( j = 0; j < 33; j++ )
- x264_cost_ref[a->i_lambda][i][j] = i ? a->i_lambda * bs_size_te( i, j ) : 0;
- }
- a->p_cost_mv = p_cost_mv[a->i_lambda];
- a->p_cost_ref0 = x264_cost_ref[a->i_lambda][x264_clip3(h->sh.i_num_ref_idx_l0_active-1,0,2)];
- a->p_cost_ref1 = x264_cost_ref[a->i_lambda][x264_clip3(h->sh.i_num_ref_idx_l1_active-1,0,2)];
-
- /* FIXME is this useful for all me methods? */
- if( h->param.analyse.i_me_method >= X264_ME_ESA && !x264_cost_mv_fpel[a->i_lambda][0] )
+ int lambda = x264_lambda_tab[qp];
+ if( h->cost_mv[lambda] )
+ return 0;
+ /* factor of 4 from qpel, 2 from sign, and 2 because mv can be opposite from mvp */
+ CHECKED_MALLOC( h->cost_mv[lambda], (4*4*2048 + 1) * sizeof(uint16_t) );
+ h->cost_mv[lambda] += 2*4*2048;
+ for( i = 0; i <= 2*4*2048; i++ )
+ {
+ h->cost_mv[lambda][-i] =
+ h->cost_mv[lambda][i] = lambda * (log2f(i+1)*2 + 0.718f + !!i) + .5f;
+ }
+ x264_pthread_mutex_lock( &cost_ref_mutex );
+ for( i = 0; i < 3; i++ )
+ for( j = 0; j < 33; j++ )
+ x264_cost_ref[lambda][i][j] = i ? lambda * bs_size_te( i, j ) : 0;
+ x264_pthread_mutex_unlock( &cost_ref_mutex );
+ if( h->param.analyse.i_me_method >= X264_ME_ESA && !h->cost_mv_fpel[lambda][0] )
{
for( j=0; j<4; j++ )
{
- CHECKED_MALLOC( x264_cost_mv_fpel[a->i_lambda][j], (4*2048 + 1) * sizeof(int16_t) );
- x264_cost_mv_fpel[a->i_lambda][j] += 2*2048;
+ CHECKED_MALLOC( h->cost_mv_fpel[lambda][j], (4*2048 + 1) * sizeof(uint16_t) );
+ h->cost_mv_fpel[lambda][j] += 2*2048;
for( i = -2*2048; i < 2*2048; i++ )
- x264_cost_mv_fpel[a->i_lambda][j][i] = p_cost_mv[a->i_lambda][i*4+j];
+ h->cost_mv_fpel[lambda][j][i] = h->cost_mv[lambda][i*4+j];
}
}
return 0;
return -1;
}
+void x264_analyse_free_costs( x264_t *h )
+{
+ int i, j;
+ for( i = 0; i < 92; i++ )
+ {
+ if( h->cost_mv[i] )
+ x264_free( h->cost_mv[i] - 2*4*2048 );
+ if( h->cost_mv_fpel[i][0] )
+ for( j = 0; j < 4; j++ )
+ x264_free( h->cost_mv_fpel[i][j] - 2*2048 );
+ }
+}
+
+/* initialize an array of lambda*nbits for all possible mvs */
+static void x264_mb_analyse_load_costs( x264_t *h, x264_mb_analysis_t *a )
+{
+ a->p_cost_mv = h->cost_mv[a->i_lambda];
+ a->p_cost_ref0 = x264_cost_ref[a->i_lambda][x264_clip3(h->sh.i_num_ref_idx_l0_active-1,0,2)];
+ a->p_cost_ref1 = x264_cost_ref[a->i_lambda][x264_clip3(h->sh.i_num_ref_idx_l1_active-1,0,2)];
+}
+
static void x264_mb_analyse_init( x264_t *h, x264_mb_analysis_t *a, int i_qp )
{
int i = h->param.analyse.i_subpel_refine - (h->sh.i_type == SLICE_TYPE_B);
/*****************************************************************************
* x264_macroblock_analyse:
*****************************************************************************/
-int x264_macroblock_analyse( x264_t *h )
+void x264_macroblock_analyse( x264_t *h )
{
x264_mb_analysis_t analysis;
int i_cost = COST_MAX;
int i_thresh16x8;
int i_satd_inter, i_satd_intra;
- if( x264_mb_analyse_load_costs( h, &analysis ) )
- return -1;
+ x264_mb_analyse_load_costs( h, &analysis );
x264_mb_analyse_inter_p16x16( h, &analysis );
if( h->mb.i_type == P_SKIP )
- return 0;
+ return;
if( flags & X264_ANALYSE_PSUB16x16 )
{
else if( i_partition == D_16x16 )
{
x264_macroblock_cache_ref( h, 0, 0, 4, 4, 0, analysis.l0.me16x16.i_ref );
- analysis.l0.me16x16.cost = analysis.l0.i_rd16x16;
+ analysis.l0.me16x16.cost = i_cost;
x264_me_refine_qpel_rd( h, &analysis.l0.me16x16, analysis.i_lambda2, 0, 0 );
}
else if( i_partition == D_16x8 )
}
else if( h->mb.i_sub_partition[i8x8] == D_L0_8x4 )
{
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x4[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me8x4[i8x8][1], analysis.i_lambda2, i8x8*4+2, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me8x4[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me8x4[i8x8][1], analysis.i_lambda2, i8x8*4+2, 0 );
}
else if( h->mb.i_sub_partition[i8x8] == D_L0_4x8 )
{
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x8[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x8[i8x8][1], analysis.i_lambda2, i8x8*4+1, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me4x8[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me4x8[i8x8][1], analysis.i_lambda2, i8x8*4+1, 0 );
}
else if( h->mb.i_sub_partition[i8x8] == D_L0_4x4 )
{
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][1], analysis.i_lambda2, i8x8*4+1, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][2], analysis.i_lambda2, i8x8*4+2, 0 );
- x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][3], analysis.i_lambda2, i8x8*4+3, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][0], analysis.i_lambda2, i8x8*4+0, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][1], analysis.i_lambda2, i8x8*4+1, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][2], analysis.i_lambda2, i8x8*4+2, 0 );
+ x264_me_refine_qpel_rd( h, &analysis.l0.me4x4[i8x8][3], analysis.i_lambda2, i8x8*4+3, 0 );
}
}
}
int i_satd_inter;
h->mb.b_skip_mc = 0;
- if( x264_mb_analyse_load_costs( h, &analysis ) )
- return -1;
+ x264_mb_analyse_load_costs( h, &analysis );
/* select best inter mode */
/* direct must be first */
{
h->mb.i_type = B_SKIP;
x264_analyse_update_cache( h, &analysis );
- return 0;
+ return;
}
}
{
if( i_type == B_L0_L0 )
{
- analysis.l0.me16x16.cost = analysis.l0.i_rd16x16;
+ analysis.l0.me16x16.cost = i_cost;
x264_me_refine_qpel_rd( h, &analysis.l0.me16x16, analysis.i_lambda2, 0, 0 );
}
else if( i_type == B_L1_L1 )
{
- analysis.l1.me16x16.cost = analysis.l1.i_rd16x16;
+ analysis.l1.me16x16.cost = i_cost;
x264_me_refine_qpel_rd( h, &analysis.l1.me16x16, analysis.i_lambda2, 0, 1 );
}
else if( i_type == B_BI_BI )
x264_analyse_update_cache( h, &analysis );
+ /* In rare cases we can end up qpel-RDing our way back to a larger partition size
+ * without realizing it. Check for this and account for it if necessary. */
+ if( analysis.i_mbrd >= 2 )
+ {
+ /* Don't bother with bipred or 8x8-and-below, the odds are incredibly low. */
+ static const uint8_t check_mv_lists[X264_MBTYPE_MAX] = {[P_L0]=1, [B_L0_L0]=1, [B_L1_L1]=2};
+ int list = check_mv_lists[h->mb.i_type] - 1;
+ if( list >= 0 && h->mb.i_partition != D_16x16 &&
+ *(uint32_t*)&h->mb.cache.mv[list][x264_scan8[0]] == *(uint32_t*)&h->mb.cache.mv[list][x264_scan8[12]] &&
+ h->mb.cache.ref[list][x264_scan8[0]] == h->mb.cache.ref[list][x264_scan8[12]] )
+ h->mb.i_partition = D_16x16;
+ }
+
if( !analysis.i_mbrd )
x264_mb_analyse_transform( h );
x264_psy_trellis_init( h, 0 );
if( h->mb.b_trellis == 1 || h->mb.b_noise_reduction )
h->mb.i_skip_intra = 0;
- return 0;
}
/*-------------------- Update MB from the analysis ----------------------*/
projects / x264 / blobdiff