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-rw-r--r--contrib/Jamfile3
-rw-r--r--contrib/patch-x264-vbv-1pass.patch107
-rw-r--r--contrib/patch-x264-vbv-2pass.patch358
-rw-r--r--contrib/version_x264.txt2
4 files changed, 310 insertions, 160 deletions
diff --git a/contrib/Jamfile b/contrib/Jamfile
index 972c32817..aaeb38f0d 100644
--- a/contrib/Jamfile
+++ b/contrib/Jamfile
@@ -395,8 +395,7 @@ rule LibX264
LIBX264_PATCH += " $(PATCH) -p1 < ../patch-x264-solaris.patch && " ;
}
LIBX264_PATCH += "$(PATCH) -p0 < ../patch-x264-idr.patch && " ;
- LIBX264_PATCH += "$(PATCH) -p0 < ../patch-x264-vbv-1pass.patch && " ;
- LIBX264_PATCH += "$(PATCH) -p0 < ../patch-x264-vbv-2pass.patch && " ;
+ LIBX264_PATCH += "$(PATCH) -p0 < ../patch-x264-vbv-2pass.patch && " ;
Depends $(<) : $(>) ;
Depends lib : $(<) ;
}
diff --git a/contrib/patch-x264-vbv-1pass.patch b/contrib/patch-x264-vbv-1pass.patch
deleted file mode 100644
index fba885212..000000000
--- a/contrib/patch-x264-vbv-1pass.patch
+++ /dev/null
@@ -1,107 +0,0 @@
-Index: encoder/ratecontrol.c
-===================================================================
---- encoder/ratecontrol.c (revision 736)
-+++ encoder/ratecontrol.c (working copy)
-@@ -762,6 +899,15 @@
- return bits;
- }
-
-+double row_bits_so_far( x264_t *h, int y )
-+{
-+ int i;
-+ double bits = 0;
-+ for( i = 0; i <= y; i++ )
-+ bits += h->fdec->i_row_bits[i];
-+ return bits;
-+}
-+
- void x264_ratecontrol_mb( x264_t *h, int bits )
- {
- x264_ratecontrol_t *rc = h->rc;
-@@ -783,10 +929,10 @@
- /* B-frames shouldn't use lower QP than their reference frames */
- if( y < h->sps->i_mb_height-1 )
- {
-- rc->qpm = X264_MAX( rc->qp,
-- X264_MIN( h->fref0[0]->i_row_qp[y+1],
-- h->fref1[0]->i_row_qp[y+1] ));
-+ int avg_qp = (h->fref0[0]->i_row_qp[y+1]+h->fref1[0]->i_row_qp[y+1])*0.5+rc->pb_offset * ((h->fenc->i_type == X264_TYPE_BREF) ? 0.5 : 1);
-+ rc->qpm = X264_MAX( rc->qp, avg_qp);
- }
-+ //printf("Frame: %d QP: %d PrevQP: %d NextQP: %d NewQP: %d\n",h->i_frame,rc->qp,h->fref0[0]->i_row_qp[y+1],h->fref1[0]->i_row_qp[y+1],rc->qpm);
- }
- else
- {
-@@ -800,13 +946,47 @@
- int b1 = b0;
- int i_qp_max = X264_MIN( prev_row_qp + h->param.rc.i_qp_step, h->param.rc.i_qp_max );
- int i_qp_min = X264_MAX( prev_row_qp - h->param.rc.i_qp_step, h->param.rc.i_qp_min );
-- float buffer_left_planned = rc->buffer_fill - rc->frame_size_planned;
-+ float actual_size_planned = rc->frame_size_planned;
-+ /* Don't modify the row QPs until a suffient amount of the bits of the frame have been processed, in case a flat */
-+ /* area at the top of the frame was measured inaccurately. */
-+ if(row_bits_so_far(h,y) < 0.15 * actual_size_planned)
-+ {
-+ return;
-+ }
-+ /* If this frame is a P-frame, make sure it isn't too large. */
-+ if(h->sh.i_type != SLICE_TYPE_I)
-+ {
-+ /*if(actual_size_planned > 2 * rc->buffer_rate)
-+ {
-+ float min_size = 2 * rc->buffer_rate;
-+ actual_size_planned *= powf(min_size/actual_size_planned,0.8);
-+ }*/
-+ }
-+ /* If this frame is an I-frame and isn't too large, don't run the rest of row MBRC */
-+ else if(b1 < rc->buffer_fill * 0.6)
-+ {
-+ /* If the current row is higher QP than the frame QP, try lowering the QP */
-+ if(h->fdec->i_row_qp[0] < rc->qpm)
-+ {
-+ while(b1 < rc->buffer_fill * 0.6 && rc->qpm > h->fdec->i_row_qp[0])
-+ {
-+ rc->qpm--;
-+ b1 = predict_row_size_sum( h, y, rc->qpm );
-+ }
-+ return;
-+ }
-+ else
-+ return;
-+ }
-+ /* Don't let I-frames take up more than 60% of the remaining buffer. */
-+ else actual_size_planned = rc->buffer_fill * 0.6;
-+ float buffer_left_planned = rc->buffer_fill - actual_size_planned;
-
- if( !rc->b_vbv_min_rate )
- i_qp_min = X264_MAX( i_qp_min, h->sh.i_qp );
-
- while( rc->qpm < i_qp_max
-- && (b1 > rc->frame_size_planned * 1.15
-+ && (b1 > actual_size_planned * 1.15
- || (rc->buffer_fill - b1 < buffer_left_planned * 0.5)))
- {
- rc->qpm ++;
-@@ -814,8 +994,8 @@
- }
-
- while( rc->qpm > i_qp_min
-- && buffer_left_planned > rc->buffer_size * 0.4
-- && ((b1 < rc->frame_size_planned * 0.8 && rc->qpm <= prev_row_qp)
-+ && ((buffer_left_planned > rc->buffer_size * 0.4) || rc->qpm > h->fdec->i_row_qp[0])
-+ && ((b1 < actual_size_planned * 0.8 && rc->qpm <= prev_row_qp)
- || b1 < (rc->buffer_fill - rc->buffer_size + rc->buffer_rate) * 1.1) )
- {
- rc->qpm --;
-@@ -1191,8 +1373,8 @@
- ( pict_type == SLICE_TYPE_P ||
- ( pict_type == SLICE_TYPE_I && rcc->last_non_b_pict_type == SLICE_TYPE_I ) ) )
- {
-- if( rcc->buffer_fill/rcc->buffer_size < 0.5 )
-- q /= x264_clip3f( 2.0*rcc->buffer_fill/rcc->buffer_size, 0.5, 1.0 );
-+ float filled = 1.0 - rcc->buffer_fill/rcc->buffer_size;
-+ q *= (1/0.544331054) / pow(2 - filled,1.5);
- }
-
- if( rcc->b_vbv && rcc->last_satd > 0 )
-
diff --git a/contrib/patch-x264-vbv-2pass.patch b/contrib/patch-x264-vbv-2pass.patch
index ca60d315e..7f4692389 100644
--- a/contrib/patch-x264-vbv-2pass.patch
+++ b/contrib/patch-x264-vbv-2pass.patch
@@ -1,8 +1,80 @@
+Index: common/frame.c
+===================================================================
+--- common/frame.c
++++ common/frame.c
+@@ -844,11 +844,39 @@ void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed )
+ x264_pthread_mutex_unlock( &frame->mutex );
+ }
+
++void x264_frame_size_estimated_set( x264_t *h, int bits )
++{
++ x264_pthread_mutex_lock( &h->fenc->mutex );
++ x264_ratecontrol_set_estimated_size(h, bits);
++ x264_pthread_mutex_unlock( &h->fenc->mutex );
++}
++
++int x264_frame_size_estimated_get( x264_t const *h)
++{
++ int size;
++ x264_pthread_mutex_lock( &h->fenc->mutex );
++ size = x264_ratecontrol_get_estimated_size(h);
++ x264_pthread_mutex_unlock( &h->fenc->mutex );
++ return size;
++}
++
+ #else
+ void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed )
+ {}
+ void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed )
+ {}
++
++void x264_frame_size_estimated_set( x264_t *h, int bits )
++{
++ x264_ratecontrol_set_estimated_size(h, bits);
++}
++
++int x264_frame_size_estimated_get( x264_t const *h)
++{
++ int size;
++ size = x264_ratecontrol_set_estimated_size(h);
++ return size;
++}
+ #endif
+
+
+Index: common/frame.h
+===================================================================
+--- common/frame.h
++++ common/frame.h
+@@ -121,6 +121,9 @@ void x264_deblock_init( int cpu, x264_deblock_function_t *pf );
+ void x264_frame_cond_broadcast( x264_frame_t *frame, int i_lines_completed );
+ void x264_frame_cond_wait( x264_frame_t *frame, int i_lines_completed );
+
++void x264_frame_size_estimated_set( x264_t *h, int bits );
++int x264_frame_size_estimated_get( x264_t const *h);
++
+ void x264_frame_push( x264_frame_t **list, x264_frame_t *frame );
+ x264_frame_t *x264_frame_pop( x264_frame_t **list );
+ void x264_frame_unshift( x264_frame_t **list, x264_frame_t *frame );
+Index: encoder/encoder.c
+===================================================================
+--- encoder/encoder.c
++++ encoder/encoder.c
+@@ -631,6 +631,7 @@ x264_t *x264_encoder_open ( x264_param_t *param )
+ || h->param.rc.i_rc_method == X264_RC_CRF
+ || h->param.b_bframe_adaptive
+ || h->param.b_pre_scenecut );
++ h->frames.b_have_lowres |= (h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0);
+
+ h->frames.i_last_idr = - h->param.i_keyint_max;
+ h->frames.i_input = 0;
Index: encoder/ratecontrol.c
===================================================================
---- encoder/ratecontrol.c (revision 736)
-+++ encoder/ratecontrol.c (working copy)
-@@ -43,6 +43,7 @@
+old mode 100644
+new mode 100755
+--- encoder/ratecontrol.c
++++ encoder/ratecontrol.c
+@@ -43,6 +43,7 @@ typedef struct
int p_tex_bits;
int misc_bits;
uint64_t expected_bits;
@@ -10,16 +82,171 @@ Index: encoder/ratecontrol.c
float new_qscale;
int new_qp;
int i_count;
-@@ -1149,7 +1150,7 @@
+@@ -121,6 +122,7 @@ struct x264_ratecontrol_t
+ int frame_count[5]; /* number of frames of each type */
+
+ /* MBRC stuff */
++ double frame_size_estimated;
+ double frame_size_planned;
+ predictor_t *row_pred;
+ predictor_t row_preds[5];
+@@ -331,7 +333,7 @@ int x264_ratecontrol_new( x264_t *h )
+ rc->rate_tolerance = 0.01;
+ }
+
+- h->mb.b_variable_qp = (rc->b_vbv && !rc->b_2pass) || h->param.rc.i_aq_mode;
++ h->mb.b_variable_qp = rc->b_vbv || h->param.rc.i_aq_mode;
+
+ if( rc->b_abr )
+ {
+@@ -718,6 +720,16 @@ void x264_ratecontrol_delete( x264_t *h )
+ x264_free( rc );
+ }
+
++void x264_ratecontrol_set_estimated_size( x264_t *h, int bits )
++{
++ h->rc->frame_size_estimated = bits;
++}
++
++int x264_ratecontrol_get_estimated_size( x264_t const *h)
++{
++ return h->rc->frame_size_estimated;
++}
++
+ static void accum_p_qp_update( x264_t *h, float qp )
+ {
+ x264_ratecontrol_t *rc = h->rc;
+@@ -851,17 +863,25 @@ double predict_row_size( x264_t *h, int y, int qp )
+ return (pred_s + pred_t) / 2;
+ }
+
+-double predict_row_size_sum( x264_t *h, int y, int qp )
++double row_bits_so_far( x264_t *h, int y )
+ {
+ int i;
+ double bits = 0;
+ for( i = 0; i <= y; i++ )
+ bits += h->fdec->i_row_bits[i];
++ return bits;
++}
++
++double predict_row_size_sum( x264_t *h, int y, int qp )
++{
++ int i;
++ double bits = row_bits_so_far(h, y);
+ for( i = y+1; i < h->sps->i_mb_height; i++ )
+ bits += predict_row_size( h, i, qp );
+ return bits;
+ }
+
++
+ void x264_ratecontrol_mb( x264_t *h, int bits )
+ {
+ x264_ratecontrol_t *rc = h->rc;
+@@ -873,7 +893,7 @@ void x264_ratecontrol_mb( x264_t *h, int bits )
+ rc->qpa_rc += rc->qpm;
+ rc->qpa_aq += h->mb.i_qp;
+
+- if( h->mb.i_mb_x != h->sps->i_mb_width - 1 || !rc->b_vbv || rc->b_2pass )
++ if( h->mb.i_mb_x != h->sps->i_mb_width - 1 || !rc->b_vbv)
return;
-
+
+ h->fdec->i_row_qp[y] = rc->qpm;
+@@ -883,9 +903,13 @@ void x264_ratecontrol_mb( x264_t *h, int bits )
+ /* B-frames shouldn't use lower QP than their reference frames */
+ if( y < h->sps->i_mb_height-1 )
+ {
+- rc->qpm = X264_MAX( rc->qp,
+- X264_MIN( h->fref0[0]->i_row_qp[y+1],
+- h->fref1[0]->i_row_qp[y+1] ));
++ int i_estimated;
++ int avg_qp = X264_MAX(h->fref0[0]->i_row_qp[y+1], h->fref1[0]->i_row_qp[y+1])
++ + rc->pb_offset * ((h->fenc->i_type == X264_TYPE_BREF) ? 0.5 : 1);
++ rc->qpm = X264_MIN(X264_MAX( rc->qp, avg_qp), 51); //avg_qp could go higher than 51 due to pb_offset
++ i_estimated = row_bits_so_far(h, y); //FIXME: compute full estimated size
++ if (i_estimated > h->rc->frame_size_planned)
++ x264_frame_size_estimated_set(h, i_estimated);
+ }
+ }
+ else
+@@ -901,26 +925,49 @@ void x264_ratecontrol_mb( x264_t *h, int bits )
+ int i_qp_max = X264_MIN( prev_row_qp + h->param.rc.i_qp_step, h->param.rc.i_qp_max );
+ int i_qp_min = X264_MAX( prev_row_qp - h->param.rc.i_qp_step, h->param.rc.i_qp_min );
+ float buffer_left_planned = rc->buffer_fill - rc->frame_size_planned;
++ float rc_tol = 1;
++ float headroom = 0;
++
++ /* Don't modify the row QPs until a sufficent amount of the bits of the frame have been processed, in case a flat */
++ /* area at the top of the frame was measured inaccurately. */
++ if(row_bits_so_far(h,y) < 0.05 * rc->frame_size_planned)
++ {
++ return;
++ }
++
++ headroom = buffer_left_planned/rc->buffer_size;
++ if(h->sh.i_type != SLICE_TYPE_I)
++ headroom /= 2;
++ rc_tol += headroom;
+
+ if( !rc->b_vbv_min_rate )
+ i_qp_min = X264_MAX( i_qp_min, h->sh.i_qp );
+
+ while( rc->qpm < i_qp_max
+- && (b1 > rc->frame_size_planned * 1.15
++ && (b1 > rc->frame_size_planned * rc_tol
+ || (rc->buffer_fill - b1 < buffer_left_planned * 0.5)))
+ {
+ rc->qpm ++;
+ b1 = predict_row_size_sum( h, y, rc->qpm );
+ }
+
++ /* avoid VBV underflow */
++ while( (rc->qpm < h->param.rc.i_qp_max)
++ && (rc->buffer_fill - b1 < rc->buffer_size * 0.005))
++ {
++ rc->qpm ++;
++ b1 = predict_row_size_sum( h, y, rc->qpm );
++ }
++
+ while( rc->qpm > i_qp_min
+- && buffer_left_planned > rc->buffer_size * 0.4
++ && ((buffer_left_planned > rc->buffer_size * 0.4) || rc->qpm > h->fdec->i_row_qp[0])
+ && ((b1 < rc->frame_size_planned * 0.8 && rc->qpm <= prev_row_qp)
+ || b1 < (rc->buffer_fill - rc->buffer_size + rc->buffer_rate) * 1.1) )
+ {
+ rc->qpm --;
+ b1 = predict_row_size_sum( h, y, rc->qpm );
+ }
++ x264_frame_size_estimated_set(h, b1);
+ }
+ }
+ }
+@@ -1249,7 +1296,7 @@ static void update_vbv( x264_t *h, int bits )
+ return;
+
rct->buffer_fill_final += rct->buffer_rate - bits;
- if( rct->buffer_fill_final < 0 && !rct->b_2pass )
+ if( rct->buffer_fill_final < 0 )
x264_log( h, X264_LOG_WARNING, "VBV underflow (%.0f bits)\n", rct->buffer_fill_final );
rct->buffer_fill_final = x264_clip3f( rct->buffer_fill_final, 0, rct->buffer_size );
}
-@@ -1325,6 +1326,22 @@
+@@ -1269,6 +1316,7 @@ static void update_vbv_plan( x264_t *h )
+ double bits = t->rc->frame_size_planned;
+ if( !t->b_thread_active )
+ continue;
++ bits = X264_MAX(bits, x264_frame_size_estimated_get(t));
+ rcc->buffer_fill += rcc->buffer_rate - bits;
+ rcc->buffer_fill = x264_clip3( rcc->buffer_fill, 0, rcc->buffer_size );
+ }
+@@ -1405,6 +1453,7 @@ static float rate_estimate_qscale( x264_t *h )
+ q += rcc->pb_offset;
+
+ rcc->frame_size_planned = predict_size( rcc->pred_b_from_p, q, h->fref1[h->i_ref1-1]->i_satd );
++ x264_frame_size_estimated_set(h, rcc->frame_size_planned);
+ rcc->last_satd = 0;
+ return qp2qscale(q);
+ }
+@@ -1425,6 +1474,24 @@ static float rate_estimate_qscale( x264_t *h )
double w = x264_clip3f( time*100, 0.0, 1.0 );
q *= pow( (double)total_bits / rcc->expected_bits_sum, w );
}
@@ -27,27 +254,44 @@ Index: encoder/ratecontrol.c
+ {
+ double expected_size = qscale2bits(&rce, q);
+ double expected_vbv = rcc->buffer_fill + rcc->buffer_rate - expected_size;
-+ if( (expected_vbv < rcc->buffer_size*.4) && (expected_vbv < rce.expected_vbv) )
++ double expected_fullness = rce.expected_vbv / rcc->buffer_size;
++ double qmax = q*(2 - expected_fullness);
++ double size_constraint = 1 + expected_fullness;
++ if (expected_fullness < .05)
++ qmax = lmax;
++ qmax = X264_MIN(qmax, lmax);
++ while( (expected_vbv < rce.expected_vbv/size_constraint) && (q < qmax) )
+ {
-+ double qmax = (expected_vbv < rcc->buffer_size*.15) ? lmax : q*1.5;
-+ double size_constraint = 1 + rce.expected_vbv/rcc->buffer_size;
-+ while( (expected_vbv < rce.expected_vbv/size_constraint) && (q < qmax) )
-+ {
-+ q *= 1.05;
-+ expected_size = qscale2bits(&rce, q);
-+ expected_vbv = rcc->buffer_fill + rcc->buffer_rate - expected_size;
-+ }
++ q *= 1.05;
++ expected_size = qscale2bits(&rce, q);
++ expected_vbv = rcc->buffer_fill + rcc->buffer_rate - expected_size;
+ }
++ rcc->last_satd = x264_rc_analyse_slice( h );
+ }
q = x264_clip3f( q, lmin, lmax );
}
else /* 1pass ABR */
-@@ -1455,6 +1472,137 @@
+@@ -1509,10 +1576,14 @@ static float rate_estimate_qscale( x264_t *h )
+ rcc->last_qscale_for[pict_type] =
+ rcc->last_qscale = q;
+
+- if( !rcc->b_2pass && h->fenc->i_frame == 0 )
++ if( !(rcc->b_2pass && !rcc->b_vbv) && h->fenc->i_frame == 0 )
+ rcc->last_qscale_for[SLICE_TYPE_P] = q;
+
+- rcc->frame_size_planned = predict_size( &rcc->pred[h->sh.i_type], q, rcc->last_satd );
++ if( rcc->b_2pass && rcc->b_vbv)
++ rcc->frame_size_planned = qscale2bits(&rce, q);
++ else
++ rcc->frame_size_planned = predict_size( &rcc->pred[h->sh.i_type], q, rcc->last_satd );
++ x264_frame_size_estimated_set(h, rcc->frame_size_planned);
+ return q;
+ }
+ }
+@@ -1555,6 +1626,134 @@ void x264_thread_sync_ratecontrol( x264_t *cur, x264_t *prev, x264_t *next )
/* the rest of the variables are either constant or thread-local */
}
-
-+FILE *fh_vbv;
-+
+
+static int find_underflow( x264_t *h, double *fills, int *t0, int *t1, int over )
+{
+ /* find an interval ending on an overflow or underflow (depending on whether
@@ -78,17 +322,23 @@ Index: encoder/ratecontrol.c
+ return start>=0 && end>=0;
+}
+
-+static void fix_underflow( x264_t *h, int t0, int t1, double adjustment, double qscale_min, double qscale_max)
++static int fix_underflow( x264_t *h, int t0, int t1, double adjustment, double qscale_min, double qscale_max)
+{
+ x264_ratecontrol_t *rcc = h->rc;
-+ double qscale_new;
++ double qscale_orig, qscale_new;
+ int i;
++ int adjusted = 0;
+ if(t0 > 0)
+ t0++;
+ for(i=t0; i<=t1; i++) {
-+ qscale_new = rcc->entry[i].new_qscale *= adjustment;
-+ rcc->entry[i].new_qscale = x264_clip3f(qscale_new, qscale_min, qscale_max);
++ qscale_orig = rcc->entry[i].new_qscale;
++ qscale_orig = x264_clip3f(qscale_orig, qscale_min, qscale_max);
++ qscale_new = qscale_orig * adjustment;
++ qscale_new = x264_clip3f(qscale_new, qscale_min, qscale_max);
++ rcc->entry[i].new_qscale = qscale_new;
++ adjusted = adjusted || (qscale_new != qscale_orig);
+ }
++ return adjusted;
+}
+
+static double count_expected_bits( x264_t *h )
@@ -105,19 +355,6 @@ Index: encoder/ratecontrol.c
+ return expected_bits;
+}
+
-+static void debug_dump_vbv( x264_t *h )
-+{
-+ x264_ratecontrol_t *rcc = h->rc;
-+ double fill = rcc->buffer_size * h->param.rc.f_vbv_buffer_init;
-+ int i;
-+ for(i=0; i<rcc->num_entries; i++)
-+ {
-+ fill += rcc->buffer_rate - qscale2bits(&rcc->entry[i], rcc->entry[i].new_qscale);
-+ fill = x264_clip3f(fill, rcc->buffer_size*-.5, rcc->buffer_size);
-+ fprintf(fh_vbv, "%d %.0f\n", i, fill);
-+ }
-+}
-+
+static void vbv_pass2( x264_t *h )
+{
+ /* foreach interval of buffer_full .. underflow
@@ -137,6 +374,7 @@ Index: encoder/ratecontrol.c
+ double qscale_min = qp2qscale(h->param.rc.i_qp_min);
+ double qscale_max = qp2qscale(h->param.rc.i_qp_max);
+ int iterations = 0;
++ int adj_min, adj_max;
+
+ fills++;
+
@@ -150,9 +388,10 @@ Index: encoder/ratecontrol.c
+ fills[-1] = rcc->buffer_size * h->param.rc.f_vbv_buffer_init;
+ t0 = 0;
+ //fix overflows
-+ while(find_underflow(h, fills, &t0, &t1, 1))
++ adj_min = 1;
++ while(adj_min && find_underflow(h, fills, &t0, &t1, 1))
+ {
-+ fix_underflow(h, t0, t1, adjustment, qscale_min, qscale_max);
++ adj_min = fix_underflow(h, t0, t1, adjustment, qscale_min, qscale_max);
+ t0 = t1;
+ }
+ }
@@ -160,14 +399,18 @@ Index: encoder/ratecontrol.c
+ fills[-1] = rcc->buffer_size * (1. - h->param.rc.f_vbv_buffer_init);
+ t0 = 0;
+ //fix underflows - should be done after overflow, as we'd better undersize target than underflowing VBV
-+ while(find_underflow(h, fills, &t0, &t1, 0))
++ adj_max = 1;
++ while(adj_max && find_underflow(h, fills, &t0, &t1, 0))
+ {
-+ fix_underflow(h, t0, t1, 1.001, qscale_min, qscale_max);
++ adj_max = fix_underflow(h, t0, t1, 1.001, qscale_min, qscale_max);
+ }
+
+ expected_bits = count_expected_bits(h);
+ } while(expected_bits < .995*all_available_bits && expected_bits > prev_bits);
+
++ if (!adj_max)
++ x264_log( h, X264_LOG_WARNING, "vbv-maxrate issue, qpmax or vbv-maxrate too low\n");
++
+ //store expected vbv filling values for tracking when encoding
+ for(i=0; i<rcc->num_entries; i++)
+ rcc->entry[i].expected_vbv = rcc->buffer_size - fills[i];
@@ -180,15 +423,15 @@ Index: encoder/ratecontrol.c
static int init_pass2( x264_t *h )
{
x264_ratecontrol_t *rcc = h->rc;
-@@ -1543,7 +1691,6 @@
+@@ -1643,7 +1842,6 @@ static int init_pass2( x264_t *h )
rcc->last_non_b_pict_type = -1;
rcc->last_accum_p_norm = 1;
rcc->accum_p_norm = 0;
- rcc->buffer_fill = rcc->buffer_size * h->param.rc.f_vbv_buffer_init;
-
+
/* find qscale */
for(i=0; i<rcc->num_entries; i++){
-@@ -1580,18 +1727,11 @@
+@@ -1680,18 +1878,11 @@ static int init_pass2( x264_t *h )
/* find expected bits */
for(i=0; i<rcc->num_entries; i++){
ratecontrol_entry_t *rce = &rcc->entry[i];
@@ -203,15 +446,15 @@ Index: encoder/ratecontrol.c
- rcc->buffer_fill = rcc->buffer_fill_final;
+ expected_bits += qscale2bits(rce, rce->new_qscale);
}
-
+
-//printf("expected:%llu available:%llu factor:%lf avgQ:%lf\n", (uint64_t)expected_bits, all_available_bits, rate_factor);
if(expected_bits > all_available_bits) rate_factor -= step;
}
-
-@@ -1599,6 +1739,10 @@
+
+@@ -1699,6 +1890,10 @@ static int init_pass2( x264_t *h )
if(filter_size > 1)
x264_free(blurred_qscale);
-
+
+ if(rcc->b_vbv)
+ vbv_pass2(h);
+ expected_bits = count_expected_bits(h);
@@ -219,17 +462,17 @@ Index: encoder/ratecontrol.c
if(fabs(expected_bits/all_available_bits - 1.0) > 0.01)
{
double avgq = 0;
-@@ -1606,7 +1750,8 @@
+@@ -1706,7 +1901,8 @@ static int init_pass2( x264_t *h )
avgq += rcc->entry[i].new_qscale;
avgq = qscale2qp(avgq / rcc->num_entries);
-
+
- x264_log(h, X264_LOG_WARNING, "Error: 2pass curve failed to converge\n");
+ if ((expected_bits > all_available_bits) || (!rcc->b_vbv))
+ x264_log(h, X264_LOG_WARNING, "Error: 2pass curve failed to converge\n");
x264_log(h, X264_LOG_WARNING, "target: %.2f kbit/s, expected: %.2f kbit/s, avg QP: %.4f\n",
(float)h->param.rc.i_bitrate,
expected_bits * rcc->fps / (rcc->num_entries * 1000.),
-@@ -1625,7 +1770,7 @@
+@@ -1725,7 +1921,7 @@ static int init_pass2( x264_t *h )
else
x264_log(h, X264_LOG_WARNING, "try increasing target bitrate\n");
}
@@ -237,3 +480,18 @@ Index: encoder/ratecontrol.c
+ else if(!(rcc->b_2pass && rcc->b_vbv))
x264_log(h, X264_LOG_WARNING, "internal error\n");
}
+
+Index: encoder/ratecontrol.h
+===================================================================
+old mode 100644
+new mode 100755
+--- encoder/ratecontrol.h
++++ encoder/ratecontrol.h
+@@ -35,6 +35,8 @@ int x264_ratecontrol_qp( x264_t * );
+ void x264_ratecontrol_end( x264_t *, int bits );
+ void x264_ratecontrol_summary( x264_t * );
+ void x264_adaptive_quant( x264_t * );
++void x264_ratecontrol_set_estimated_size( x264_t *, int bits );
++int x264_ratecontrol_get_estimated_size( x264_t const *);
+
+ #endif
diff --git a/contrib/version_x264.txt b/contrib/version_x264.txt
index 73c68878e..6c77b3867 100644
--- a/contrib/version_x264.txt
+++ b/contrib/version_x264.txt
@@ -1 +1 @@
-http://download.m0k.org/handbrake/contrib/x264-r828-ee95c7f.tar.gz \ No newline at end of file
+http://download.m0k.org/handbrake/contrib/x264-r859-ce13bb6.tar.gz