]> git.sesse.net Git - x264/blobdiff - encoder/encoder.c
MBAFF: Copy deblocked pixels to other plane
[x264] / encoder / encoder.c
index c1cf92e98d6dd325fb1ffb938fea93e1bca6459e..1e9a46fa19176196a866ba749f6ad055afa785c2 100644 (file)
@@ -1,7 +1,7 @@
 /*****************************************************************************
- * x264: h264 encoder
+ * encoder.c: top-level encoder functions
  *****************************************************************************
- * Copyright (C) 2003-2008 x264 project
+ * Copyright (C) 2003-2011 x264 project
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Loren Merritt <lorenm@u.washington.edu>
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
  *****************************************************************************/
 
-#include <math.h>
-
 #include "common/common.h"
 
 #include "set.h"
@@ -32,7 +33,7 @@
 #include "macroblock.h"
 #include "me.h"
 
-#ifdef HAVE_VISUALIZE
+#if HAVE_VISUALIZE
 #include "common/visualize.h"
 #endif
 
@@ -49,13 +50,18 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
  ******************************* x264 libs **********************************
  *
  ****************************************************************************/
-static float x264_psnr( int64_t i_sqe, int64_t i_size )
+static double x264_psnr( double sqe, double size )
 {
-    double f_mse = (double)i_sqe / ((double)65025.0 * (double)i_size);
-    if( f_mse <= 0.0000000001 ) /* Max 100dB */
+    double mse = sqe / (PIXEL_MAX*PIXEL_MAX * size);
+    if( mse <= 0.0000000001 ) /* Max 100dB */
         return 100;
 
-    return -10.0 * log10( f_mse );
+    return -10.0 * log10( mse );
+}
+
+static double x264_ssim( double ssim )
+{
+    return -10.0 * log10( 1 - ssim );
 }
 
 static void x264_frame_dump( x264_t *h )
@@ -64,10 +70,17 @@ static void x264_frame_dump( x264_t *h )
     if( !f )
         return;
     /* Write the frame in display order */
-    fseek( f, (uint64_t)h->fdec->i_frame * h->param.i_height * h->param.i_width * 3/2, SEEK_SET );
-    for( int i = 0; i < h->fdec->i_plane; i++ )
-        for( int y = 0; y < h->param.i_height >> !!i; y++ )
-            fwrite( &h->fdec->plane[i][y*h->fdec->i_stride[i]], 1, h->param.i_width >> !!i, f );
+    fseek( f, (uint64_t)h->fdec->i_frame * h->param.i_height * h->param.i_width * 3/2 * sizeof(pixel), SEEK_SET );
+    for( int y = 0; y < h->param.i_height; y++ )
+        fwrite( &h->fdec->plane[0][y*h->fdec->i_stride[0]], sizeof(pixel), h->param.i_width, f );
+    int cw = h->param.i_width>>1;
+    int ch = h->param.i_height>>1;
+    pixel *planeu = x264_malloc( (cw*ch*2+32)*sizeof(pixel) );
+    pixel *planev = planeu + cw*ch + 16;
+    h->mc.plane_copy_deinterleave( planeu, cw, planev, cw, h->fdec->plane[1], h->fdec->i_stride[1], cw, ch );
+    fwrite( planeu, 1, cw*ch*sizeof(pixel), f );
+    fwrite( planev, 1, cw*ch*sizeof(pixel), f );
+    x264_free( planeu );
     fclose( f );
 }
 
@@ -109,7 +122,7 @@ static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
 
     if( !h->mb.b_direct_auto_read && sh->i_type == SLICE_TYPE_B )
     {
-        if( h->fref1[0]->i_poc_l0ref0 == h->fref0[0]->i_poc )
+        if( h->fref[1][0]->i_poc_l0ref0 == h->fref[0][0]->i_poc )
         {
             if( h->mb.b_direct_auto_write )
                 sh->b_direct_spatial_mv_pred = ( h->stat.i_direct_score[1] > h->stat.i_direct_score[0] );
@@ -128,27 +141,29 @@ static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
     sh->i_num_ref_idx_l0_active = 1;
     sh->i_num_ref_idx_l1_active = 1;
 
-    sh->b_ref_pic_list_reordering_l0 = h->b_ref_reorder[0];
-    sh->b_ref_pic_list_reordering_l1 = h->b_ref_reorder[1];
+    sh->b_ref_pic_list_reordering[0] = h->b_ref_reorder[0];
+    sh->b_ref_pic_list_reordering[1] = h->b_ref_reorder[1];
 
     /* If the ref list isn't in the default order, construct reordering header */
-    /* List1 reordering isn't needed yet */
-    if( sh->b_ref_pic_list_reordering_l0 )
+    for( int list = 0; list < 2; list++ )
     {
-        int pred_frame_num = i_frame;
-        for( int i = 0; i < h->i_ref0; i++ )
+        if( sh->b_ref_pic_list_reordering[list] )
         {
-            int diff = h->fref0[i]->i_frame_num - pred_frame_num;
-            sh->ref_pic_list_order[0][i].idc = ( diff > 0 );
-            sh->ref_pic_list_order[0][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
-            pred_frame_num = h->fref0[i]->i_frame_num;
+            int pred_frame_num = i_frame;
+            for( int i = 0; i < h->i_ref[list]; i++ )
+            {
+                int diff = h->fref[list][i]->i_frame_num - pred_frame_num;
+                sh->ref_pic_list_order[list][i].idc = ( diff > 0 );
+                sh->ref_pic_list_order[list][i].arg = (abs(diff) - 1) & ((1 << sps->i_log2_max_frame_num) - 1);
+                pred_frame_num = h->fref[list][i]->i_frame_num;
+            }
         }
     }
 
     sh->i_cabac_init_idc = param->i_cabac_init_idc;
 
-    sh->i_qp = i_qp;
-    sh->i_qp_delta = i_qp - pps->i_pic_init_qp;
+    sh->i_qp = SPEC_QP(i_qp);
+    sh->i_qp_delta = sh->i_qp - pps->i_pic_init_qp;
     sh->b_sp_for_swidth = 0;
     sh->i_qs_delta = 0;
 
@@ -205,7 +220,7 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
     if( sh->i_type == SLICE_TYPE_B )
         bs_write1( s, sh->b_direct_spatial_mv_pred );
 
-    if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP || sh->i_type == SLICE_TYPE_B )
+    if( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_B )
     {
         bs_write1( s, sh->b_num_ref_idx_override );
         if( sh->b_num_ref_idx_override )
@@ -219,8 +234,8 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
     /* ref pic list reordering */
     if( sh->i_type != SLICE_TYPE_I )
     {
-        bs_write1( s, sh->b_ref_pic_list_reordering_l0 );
-        if( sh->b_ref_pic_list_reordering_l0 )
+        bs_write1( s, sh->b_ref_pic_list_reordering[0] );
+        if( sh->b_ref_pic_list_reordering[0] )
         {
             for( int i = 0; i < sh->i_num_ref_idx_l0_active; i++ )
             {
@@ -232,8 +247,8 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
     }
     if( sh->i_type == SLICE_TYPE_B )
     {
-        bs_write1( s, sh->b_ref_pic_list_reordering_l1 );
-        if( sh->b_ref_pic_list_reordering_l1 )
+        bs_write1( s, sh->b_ref_pic_list_reordering[1] );
+        if( sh->b_ref_pic_list_reordering[1] )
         {
             for( int i = 0; i < sh->i_num_ref_idx_l1_active; i++ )
             {
@@ -244,7 +259,7 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
         }
     }
 
-    if( sh->pps->b_weighted_pred && ( sh->i_type == SLICE_TYPE_P || sh->i_type == SLICE_TYPE_SP ) )
+    if( sh->pps->b_weighted_pred && sh->i_type == SLICE_TYPE_P )
     {
         /* pred_weight_table() */
         bs_write_ue( s, sh->weight[0][0].i_denom );
@@ -344,6 +359,20 @@ fail:
     return -1;
 }
 
+#if HAVE_THREAD
+static void x264_encoder_thread_init( x264_t *h )
+{
+    if( h->param.i_sync_lookahead )
+        x264_lower_thread_priority( 10 );
+
+#if HAVE_MMX
+    /* Misalign mask has to be set separately for each thread. */
+    if( h->param.cpu&X264_CPU_SSE_MISALIGN )
+        x264_cpu_mask_misalign_sse();
+#endif
+}
+#endif
+
 /****************************************************************************
  *
  ****************************************************************************
@@ -352,15 +381,15 @@ fail:
  *
  ****************************************************************************/
 
-static int x264_validate_parameters( x264_t *h )
+static int x264_validate_parameters( x264_t *h, int b_open )
 {
-#ifdef HAVE_MMX
+#if HAVE_MMX
 #ifdef __SSE__
-    if( !(x264_cpu_detect() & X264_CPU_SSE) )
+    if( b_open && !(x264_cpu_detect() & X264_CPU_SSE) )
     {
         x264_log( h, X264_LOG_ERROR, "your cpu does not support SSE1, but x264 was compiled with asm support\n");
 #else
-    if( !(x264_cpu_detect() & X264_CPU_MMXEXT) )
+    if( b_open && !(x264_cpu_detect() & X264_CPU_MMXEXT) )
     {
         x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm support\n");
 #endif
@@ -382,9 +411,17 @@ static int x264_validate_parameters( x264_t *h )
         return -1;
     }
     int i_csp = h->param.i_csp & X264_CSP_MASK;
-    if( i_csp != X264_CSP_I420 && i_csp != X264_CSP_YV12 )
+    if( i_csp <= X264_CSP_NONE || i_csp >= X264_CSP_MAX )
+    {
+        x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12/NV12 supported)\n" );
+        return -1;
+    }
+
+    if( (h->param.crop_rect.i_left + h->param.crop_rect.i_right ) >= h->param.i_width ||
+        (h->param.crop_rect.i_top  + h->param.crop_rect.i_bottom) >= h->param.i_height )
     {
-        x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12 supported)\n" );
+        x264_log( h, X264_LOG_ERROR, "invalid crop-rect %u,%u,%u,%u\n", h->param.crop_rect.i_left,
+                  h->param.crop_rect.i_top, h->param.crop_rect.i_right,  h->param.crop_rect.i_bottom );
         return -1;
     }
 
@@ -393,8 +430,8 @@ static int x264_validate_parameters( x264_t *h )
     h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
     if( h->param.i_threads > 1 )
     {
-#ifndef HAVE_PTHREAD
-        x264_log( h, X264_LOG_WARNING, "not compiled with pthread support!\n");
+#if !HAVE_THREAD
+        x264_log( h, X264_LOG_WARNING, "not compiled with thread support!\n");
         h->param.i_threads = 1;
 #endif
         /* Avoid absurdly small thread slices as they can reduce performance
@@ -408,22 +445,20 @@ static int x264_validate_parameters( x264_t *h )
     else
         h->param.b_sliced_threads = 0;
     h->i_thread_frames = h->param.b_sliced_threads ? 1 : h->param.i_threads;
+    if( h->i_thread_frames > 1 )
+        h->param.nalu_process = NULL;
 
-    if( h->param.b_interlaced )
+    h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
+    if( h->param.i_keyint_max == 1 )
     {
-        if( h->param.analyse.i_me_method >= X264_ME_ESA )
-        {
-            x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
-            h->param.analyse.i_me_method = X264_ME_UMH;
-        }
-        if( h->param.analyse.i_weighted_pred > 0 )
-        {
-            x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
-            h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
-        }
+        h->param.b_intra_refresh = 0;
+        h->param.analyse.i_weighted_pred = 0;
     }
 
+    h->param.i_frame_packing = x264_clip3( h->param.i_frame_packing, -1, 5 );
+
     /* Detect default ffmpeg settings and terminate with an error. */
+    if( b_open )
     {
         int score = 0;
         score += h->param.analyse.i_me_range == 0;
@@ -438,7 +473,10 @@ static int x264_validate_parameters( x264_t *h )
         if( score >= 5 )
         {
             x264_log( h, X264_LOG_ERROR, "broken ffmpeg default settings detected\n" );
-            x264_log( h, X264_LOG_ERROR, "use an encoding preset (vpre)\n" );
+            x264_log( h, X264_LOG_ERROR, "use an encoding preset (e.g. -vpre medium)\n" );
+            x264_log( h, X264_LOG_ERROR, "preset usage: -vpre <speed> -vpre <profile>\n" );
+            x264_log( h, X264_LOG_ERROR, "speed presets are listed in x264 --help\n" );
+            x264_log( h, X264_LOG_ERROR, "profile is optional; x264 defaults to high\n" );
             return -1;
         }
     }
@@ -448,11 +486,15 @@ static int x264_validate_parameters( x264_t *h )
         x264_log( h, X264_LOG_ERROR, "no ratecontrol method specified\n" );
         return -1;
     }
-    h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, 0, 51 );
-    h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, 51 );
+    h->param.rc.f_rf_constant = x264_clip3f( h->param.rc.f_rf_constant, -QP_BD_OFFSET, 51 );
+    h->param.rc.f_rf_constant_max = x264_clip3f( h->param.rc.f_rf_constant_max, -QP_BD_OFFSET, 51 );
+    h->param.rc.i_qp_constant = x264_clip3( h->param.rc.i_qp_constant, 0, QP_MAX );
+    h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 10 );
+    h->param.rc.f_ip_factor = X264_MAX( h->param.rc.f_ip_factor, 0.01f );
+    h->param.rc.f_pb_factor = X264_MAX( h->param.rc.f_pb_factor, 0.01f );
     if( h->param.rc.i_rc_method == X264_RC_CRF )
     {
-        h->param.rc.i_qp_constant = h->param.rc.f_rf_constant;
+        h->param.rc.i_qp_constant = h->param.rc.f_rf_constant + QP_BD_OFFSET;
         h->param.rc.i_bitrate = 0;
     }
     if( (h->param.rc.i_rc_method == X264_RC_CQP || h->param.rc.i_rc_method == X264_RC_CRF)
@@ -472,8 +514,8 @@ static int x264_validate_parameters( x264_t *h )
         h->param.analyse.i_noise_reduction = 0;
         h->param.analyse.b_psy = 0;
         h->param.i_bframe = 0;
-        /* 8x8dct is not useful at all in CAVLC lossless */
-        if( !h->param.b_cabac )
+        /* 8x8dct is not useful without RD in CAVLC lossless */
+        if( !h->param.b_cabac && h->param.analyse.i_subpel_refine < 6 )
             h->param.analyse.b_transform_8x8 = 0;
     }
     if( h->param.rc.i_rc_method == X264_RC_CQP )
@@ -481,13 +523,19 @@ static int x264_validate_parameters( x264_t *h )
         float qp_p = h->param.rc.i_qp_constant;
         float qp_i = qp_p - 6*log2f( h->param.rc.f_ip_factor );
         float qp_b = qp_p + 6*log2f( h->param.rc.f_pb_factor );
-        h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, 51 );
-        h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, 51 );
+        h->param.rc.i_qp_min = x264_clip3( (int)(X264_MIN3( qp_p, qp_i, qp_b )), 0, QP_MAX );
+        h->param.rc.i_qp_max = x264_clip3( (int)(X264_MAX3( qp_p, qp_i, qp_b ) + .999), 0, QP_MAX );
         h->param.rc.i_aq_mode = 0;
         h->param.rc.b_mb_tree = 0;
+        h->param.rc.i_bitrate = 0;
     }
-    h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, 51 );
+    h->param.rc.i_qp_max = x264_clip3( h->param.rc.i_qp_max, 0, QP_MAX );
     h->param.rc.i_qp_min = x264_clip3( h->param.rc.i_qp_min, 0, h->param.rc.i_qp_max );
+    h->param.rc.i_qp_step = x264_clip3( h->param.rc.i_qp_step, 0, QP_MAX );
+    h->param.rc.i_bitrate = x264_clip3( h->param.rc.i_bitrate, 0, 2000000 );
+    h->param.rc.i_vbv_buffer_size = x264_clip3( h->param.rc.i_vbv_buffer_size, 0, 2000000 );
+    h->param.rc.i_vbv_max_bitrate = x264_clip3( h->param.rc.i_vbv_max_bitrate, 0, 2000000 );
+    h->param.rc.f_vbv_buffer_init = x264_clip3f( h->param.rc.f_vbv_buffer_init, 0, 2000000 );
     if( h->param.rc.i_vbv_buffer_size )
     {
         if( h->param.rc.i_rc_method == X264_RC_CQP )
@@ -532,77 +580,105 @@ static int x264_validate_parameters( x264_t *h )
         x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-mbs is not implemented\n" );
         h->param.i_slice_max_mbs = 0;
     }
+    h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
+    h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
+
+    h->param.b_interlaced = !!h->param.b_interlaced;
     int max_slices = (h->param.i_height+((16<<h->param.b_interlaced)-1))/(16<<h->param.b_interlaced);
     if( h->param.b_sliced_threads )
         h->param.i_slice_count = x264_clip3( h->param.i_threads, 0, max_slices );
     else
     {
         h->param.i_slice_count = x264_clip3( h->param.i_slice_count, 0, max_slices );
-        h->param.i_slice_max_size = X264_MAX( h->param.i_slice_max_size, 0 );
-        h->param.i_slice_max_mbs = X264_MAX( h->param.i_slice_max_mbs, 0 );
         if( h->param.i_slice_max_mbs || h->param.i_slice_max_size )
             h->param.i_slice_count = 0;
     }
 
-    h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, 16 );
-    if( h->param.i_keyint_max <= 0 )
-        h->param.i_keyint_max = 1;
+    if( h->param.b_bluray_compat )
+    {
+        h->param.i_bframe_pyramid = X264_MIN( X264_B_PYRAMID_STRICT, h->param.i_bframe_pyramid );
+        h->param.i_bframe = X264_MIN( h->param.i_bframe, 3 );
+        h->param.b_aud = 1;
+        h->param.i_nal_hrd = X264_MAX( h->param.i_nal_hrd, X264_NAL_HRD_VBR );
+        h->param.i_slice_max_size = 0;
+        h->param.i_slice_max_mbs = 0;
+        h->param.b_intra_refresh = 0;
+        h->param.i_frame_reference = X264_MIN( h->param.i_frame_reference, 6 );
+        h->param.i_dpb_size = X264_MIN( h->param.i_dpb_size, 6 );
+        /* Due to the proliferation of broken players that don't handle dupes properly. */
+        h->param.analyse.i_weighted_pred = X264_MIN( h->param.analyse.i_weighted_pred, X264_WEIGHTP_SIMPLE );
+        if( h->param.b_fake_interlaced )
+            h->param.b_pic_struct = 1;
+    }
+
+    h->param.i_frame_reference = x264_clip3( h->param.i_frame_reference, 1, X264_REF_MAX );
+    h->param.i_dpb_size = x264_clip3( h->param.i_dpb_size, 1, X264_REF_MAX );
     if( h->param.i_scenecut_threshold < 0 )
         h->param.i_scenecut_threshold = 0;
+    h->param.analyse.i_direct_mv_pred = x264_clip3( h->param.analyse.i_direct_mv_pred, X264_DIRECT_PRED_NONE, X264_DIRECT_PRED_AUTO );
     if( !h->param.analyse.i_subpel_refine && h->param.analyse.i_direct_mv_pred > X264_DIRECT_PRED_SPATIAL )
     {
         x264_log( h, X264_LOG_WARNING, "subme=0 + direct=temporal is not supported\n" );
         h->param.analyse.i_direct_mv_pred = X264_DIRECT_PRED_SPATIAL;
     }
-    h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_BFRAME_MAX );
-    if( h->param.i_keyint_max == 1 )
-    {
-        h->param.i_bframe = 0;
-        h->param.b_intra_refresh = 0;
-    }
+    h->param.i_bframe = x264_clip3( h->param.i_bframe, 0, X264_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
     h->param.i_bframe_bias = x264_clip3( h->param.i_bframe_bias, -90, 100 );
     if( h->param.i_bframe <= 1 )
         h->param.i_bframe_pyramid = X264_B_PYRAMID_NONE;
     h->param.i_bframe_pyramid = x264_clip3( h->param.i_bframe_pyramid, X264_B_PYRAMID_NONE, X264_B_PYRAMID_NORMAL );
+    h->param.i_bframe_adaptive = x264_clip3( h->param.i_bframe_adaptive, X264_B_ADAPT_NONE, X264_B_ADAPT_TRELLIS );
     if( !h->param.i_bframe )
     {
         h->param.i_bframe_adaptive = X264_B_ADAPT_NONE;
         h->param.analyse.i_direct_mv_pred = 0;
         h->param.analyse.b_weighted_bipred = 0;
+        h->param.b_open_gop = 0;
     }
     if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
     {
         x264_log( h, X264_LOG_WARNING, "b-pyramid normal + intra-refresh is not supported\n" );
         h->param.i_bframe_pyramid = X264_B_PYRAMID_STRICT;
     }
-    if( h->param.b_intra_refresh && h->param.i_frame_reference > 1 )
+    if( h->param.b_intra_refresh && (h->param.i_frame_reference > 1 || h->param.i_dpb_size > 1) )
     {
         x264_log( h, X264_LOG_WARNING, "ref > 1 + intra-refresh is not supported\n" );
         h->param.i_frame_reference = 1;
+        h->param.i_dpb_size = 1;
+    }
+    if( h->param.b_intra_refresh && h->param.b_open_gop )
+    {
+        x264_log( h, X264_LOG_WARNING, "intra-refresh is not compatible with open-gop\n" );
+        h->param.b_open_gop = 0;
     }
+    float fps = h->param.i_fps_num > 0 && h->param.i_fps_den > 0 ? (float) h->param.i_fps_num / h->param.i_fps_den : 25.0;
     if( h->param.i_keyint_min == X264_KEYINT_MIN_AUTO )
-        h->param.i_keyint_min = h->param.i_keyint_max / 10;
+        h->param.i_keyint_min = X264_MIN( h->param.i_keyint_max / 10, fps );
     h->param.i_keyint_min = x264_clip3( h->param.i_keyint_min, 1, h->param.i_keyint_max/2+1 );
     h->param.rc.i_lookahead = x264_clip3( h->param.rc.i_lookahead, 0, X264_LOOKAHEAD_MAX );
     {
         int maxrate = X264_MAX( h->param.rc.i_vbv_max_bitrate, h->param.rc.i_bitrate );
         float bufsize = maxrate ? (float)h->param.rc.i_vbv_buffer_size / maxrate : 0;
-        float fps = h->param.i_fps_num > 0 && h->param.i_fps_den > 0 ? (float) h->param.i_fps_num / h->param.i_fps_den : 25.0;
         h->param.rc.i_lookahead = X264_MIN( h->param.rc.i_lookahead, X264_MAX( h->param.i_keyint_max, bufsize*fps ) );
     }
 
-    if( !h->param.i_timebase_num || !h->param.i_timebase_den )
+    if( !h->param.i_timebase_num || !h->param.i_timebase_den || !(h->param.b_vfr_input || h->param.b_pulldown) )
     {
         h->param.i_timebase_num = h->param.i_fps_den;
         h->param.i_timebase_den = h->param.i_fps_num;
     }
 
     h->param.rc.f_qcompress = x264_clip3f( h->param.rc.f_qcompress, 0.0, 1.0 );
-    if( !h->param.rc.i_lookahead || h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
+    if( h->param.i_keyint_max == 1 || h->param.rc.f_qcompress == 1 )
+        h->param.rc.b_mb_tree = 0;
+    if( (!h->param.b_intra_refresh && h->param.i_keyint_max != X264_KEYINT_MAX_INFINITE) &&
+        !h->param.rc.i_lookahead && h->param.rc.b_mb_tree )
+    {
+        x264_log( h, X264_LOG_WARNING, "lookaheadless mb-tree requires intra refresh or infinite keyint\n" );
         h->param.rc.b_mb_tree = 0;
+    }
     if( h->param.rc.b_stat_read )
         h->param.rc.i_lookahead = 0;
-#ifdef HAVE_PTHREAD
+#if HAVE_THREAD
     if( h->param.i_sync_lookahead < 0 )
         h->param.i_sync_lookahead = h->param.i_bframe + 1;
     h->param.i_sync_lookahead = X264_MIN( h->param.i_sync_lookahead, X264_LOOKAHEAD_MAX );
@@ -625,14 +701,12 @@ static int x264_validate_parameters( x264_t *h )
     if( h->param.analyse.i_me_method < X264_ME_DIA ||
         h->param.analyse.i_me_method > X264_ME_TESA )
         h->param.analyse.i_me_method = X264_ME_HEX;
-    if( h->param.analyse.i_me_range < 4 )
-        h->param.analyse.i_me_range = 4;
+    h->param.analyse.i_me_range = x264_clip3( h->param.analyse.i_me_range, 4, 1024 );
     if( h->param.analyse.i_me_range > 16 && h->param.analyse.i_me_method <= X264_ME_HEX )
         h->param.analyse.i_me_range = 16;
     if( h->param.analyse.i_me_method == X264_ME_TESA &&
         (h->mb.b_lossless || h->param.analyse.i_subpel_refine <= 1) )
         h->param.analyse.i_me_method = X264_ME_ESA;
-    h->param.analyse.i_subpel_refine = x264_clip3( h->param.analyse.i_subpel_refine, 0, 10 );
     h->param.analyse.b_mixed_references = h->param.analyse.b_mixed_references && h->param.i_frame_reference > 1;
     h->param.analyse.inter &= X264_ANALYSE_PSUB16x16|X264_ANALYSE_PSUB8x8|X264_ANALYSE_BSUB16x16|
                               X264_ANALYSE_I4x4|X264_ANALYSE_I8x8;
@@ -645,36 +719,58 @@ static int x264_validate_parameters( x264_t *h )
         h->param.analyse.intra &= ~X264_ANALYSE_I8x8;
     }
     h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
-    if( !h->param.b_cabac )
-        h->param.analyse.i_trellis = 0;
     h->param.analyse.i_trellis = x264_clip3( h->param.analyse.i_trellis, 0, 2 );
+    h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 2 );
+    h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
+    if( h->param.rc.f_aq_strength == 0 )
+        h->param.rc.i_aq_mode = 0;
+
+    if( h->param.i_log_level < X264_LOG_INFO )
+    {
+        h->param.analyse.b_psnr = 0;
+        h->param.analyse.b_ssim = 0;
+    }
+    /* Warn users trying to measure PSNR/SSIM with psy opts on. */
+    if( b_open && (h->param.analyse.b_psnr || h->param.analyse.b_ssim) )
+    {
+        char *s = NULL;
+
+        if( h->param.analyse.b_psy )
+        {
+            s = h->param.analyse.b_psnr ? "psnr" : "ssim";
+            x264_log( h, X264_LOG_WARNING, "--%s used with psy on: results will be invalid!\n", s );
+        }
+        else if( !h->param.rc.i_aq_mode && h->param.analyse.b_ssim )
+        {
+            x264_log( h, X264_LOG_WARNING, "--ssim used with AQ off: results will be invalid!\n" );
+            s = "ssim";
+        }
+        else if(  h->param.rc.i_aq_mode && h->param.analyse.b_psnr )
+        {
+            x264_log( h, X264_LOG_WARNING, "--psnr used with AQ on: results will be invalid!\n" );
+            s = "psnr";
+        }
+        if( s )
+            x264_log( h, X264_LOG_WARNING, "--tune %s should be used if attempting to benchmark %s!\n", s, s );
+    }
+
     if( !h->param.analyse.b_psy )
     {
         h->param.analyse.f_psy_rd = 0;
         h->param.analyse.f_psy_trellis = 0;
     }
-    if( !h->param.analyse.i_trellis )
-        h->param.analyse.f_psy_trellis = 0;
     h->param.analyse.f_psy_rd = x264_clip3f( h->param.analyse.f_psy_rd, 0, 10 );
     h->param.analyse.f_psy_trellis = x264_clip3f( h->param.analyse.f_psy_trellis, 0, 10 );
-    if( h->param.analyse.i_subpel_refine < 6 )
-        h->param.analyse.f_psy_rd = 0;
-    h->mb.i_psy_rd = FIX8( h->param.analyse.f_psy_rd );
+    h->mb.i_psy_rd = h->param.analyse.i_subpel_refine >= 6 ? FIX8( h->param.analyse.f_psy_rd ) : 0;
+    h->mb.i_psy_trellis = h->param.analyse.i_trellis ? FIX8( h->param.analyse.f_psy_trellis / 4 ) : 0;
     /* Psy RDO increases overall quantizers to improve the quality of luma--this indirectly hurts chroma quality */
     /* so we lower the chroma QP offset to compensate */
-    /* This can be triggered repeatedly on multiple calls to parameter_validate, but since encoding
-     * uses the pps chroma qp offset not the param chroma qp offset, this is not a problem. */
-    if( h->mb.i_psy_rd )
+    if( b_open && h->mb.i_psy_rd )
         h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_rd < 0.25 ? 1 : 2;
-    h->mb.i_psy_trellis = FIX8( h->param.analyse.f_psy_trellis / 4 );
     /* Psy trellis has a similar effect. */
-    if( h->mb.i_psy_trellis )
+    if( b_open && h->mb.i_psy_trellis )
         h->param.analyse.i_chroma_qp_offset -= h->param.analyse.f_psy_trellis < 0.25 ? 1 : 2;
     h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -12, 12);
-    h->param.rc.i_aq_mode = x264_clip3( h->param.rc.i_aq_mode, 0, 2 );
-    h->param.rc.f_aq_strength = x264_clip3f( h->param.rc.f_aq_strength, 0, 3 );
-    if( h->param.rc.f_aq_strength == 0 )
-        h->param.rc.i_aq_mode = 0;
     /* MB-tree requires AQ to be on, even if the strength is zero. */
     if( !h->param.rc.i_aq_mode && h->param.rc.b_mb_tree )
     {
@@ -714,8 +810,23 @@ static int x264_validate_parameters( x264_t *h )
             h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> h->param.b_interlaced);
     }
 
-    h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, 0, X264_WEIGHTP_SMART );
-    if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy && !h->param.b_interlaced )
+    h->param.analyse.i_weighted_pred = x264_clip3( h->param.analyse.i_weighted_pred, X264_WEIGHTP_NONE, X264_WEIGHTP_SMART );
+
+    if( h->param.b_interlaced )
+    {
+        if( h->param.analyse.i_me_method >= X264_ME_ESA )
+        {
+            x264_log( h, X264_LOG_WARNING, "interlace + me=esa is not implemented\n" );
+            h->param.analyse.i_me_method = X264_ME_UMH;
+        }
+        if( h->param.analyse.i_weighted_pred > 0 )
+        {
+            x264_log( h, X264_LOG_WARNING, "interlace + weightp is not implemented\n" );
+            h->param.analyse.i_weighted_pred = X264_WEIGHTP_NONE;
+        }
+    }
+
+    if( !h->param.analyse.i_weighted_pred && h->param.rc.b_mb_tree && h->param.analyse.b_psy )
         h->param.analyse.i_weighted_pred = X264_WEIGHTP_FAKE;
 
     if( h->i_thread_frames > 1 )
@@ -741,6 +852,8 @@ static int x264_validate_parameters( x264_t *h )
         h->param.analyse.i_mv_range_thread = r2;
     }
 
+    if( h->param.rc.f_rate_tolerance < 0 )
+        h->param.rc.f_rate_tolerance = 0;
     if( h->param.rc.f_qblur < 0 )
         h->param.rc.f_qblur = 0;
     if( h->param.rc.f_complexity_blur < 0 )
@@ -748,15 +861,11 @@ static int x264_validate_parameters( x264_t *h )
 
     h->param.i_sps_id &= 31;
 
-    if( h->param.i_log_level < X264_LOG_INFO )
-    {
-        h->param.analyse.b_psnr = 0;
-        h->param.analyse.b_ssim = 0;
-    }
-
     if( h->param.b_interlaced )
         h->param.b_pic_struct = 1;
 
+    h->param.i_nal_hrd = x264_clip3( h->param.i_nal_hrd, X264_NAL_HRD_NONE, X264_NAL_HRD_CBR );
+
     if( h->param.i_nal_hrd && !h->param.rc.i_vbv_buffer_size )
     {
         x264_log( h, X264_LOG_WARNING, "NAL HRD parameters require VBV parameters\n" );
@@ -784,8 +893,12 @@ static int x264_validate_parameters( x264_t *h )
     BOOLIFY( b_repeat_headers );
     BOOLIFY( b_annexb );
     BOOLIFY( b_vfr_input );
+    BOOLIFY( b_pulldown );
+    BOOLIFY( b_tff );
     BOOLIFY( b_pic_struct );
     BOOLIFY( b_fake_interlaced );
+    BOOLIFY( b_open_gop );
+    BOOLIFY( b_bluray_compat );
     BOOLIFY( analyse.b_transform_8x8 );
     BOOLIFY( analyse.b_weighted_bipred );
     BOOLIFY( analyse.b_chroma_me );
@@ -810,6 +923,7 @@ static void mbcmp_init( x264_t *h )
     memcpy( h->pixf.mbcmp_unaligned, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.mbcmp_unaligned) );
     h->pixf.intra_mbcmp_x3_16x16 = satd ? h->pixf.intra_satd_x3_16x16 : h->pixf.intra_sad_x3_16x16;
     h->pixf.intra_mbcmp_x3_8x8c = satd ? h->pixf.intra_satd_x3_8x8c : h->pixf.intra_sad_x3_8x8c;
+    h->pixf.intra_mbcmp_x3_8x8 = satd ? h->pixf.intra_sa8d_x3_8x8 : h->pixf.intra_sad_x3_8x8;
     h->pixf.intra_mbcmp_x3_4x4 = satd ? h->pixf.intra_satd_x3_4x4 : h->pixf.intra_sad_x3_4x4;
     satd &= h->param.analyse.i_me_method == X264_ME_TESA;
     memcpy( h->pixf.fpelcmp, satd ? h->pixf.satd : h->pixf.sad, sizeof(h->pixf.fpelcmp) );
@@ -849,6 +963,7 @@ static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
                 h->param.vui.i_sar_width = i_w;
                 h->param.vui.i_sar_height = i_h;
             }
+            x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
         }
     }
 }
@@ -870,7 +985,13 @@ x264_t *x264_encoder_open( x264_param_t *param )
     if( param->param_free )
         param->param_free( param );
 
-    if( x264_validate_parameters( h ) < 0 )
+    if( x264_threading_init() )
+    {
+        x264_log( h, X264_LOG_ERROR, "unable to initialize threading\n" );
+        goto fail;
+    }
+
+    if( x264_validate_parameters( h, 1 ) < 0 )
         goto fail;
 
     if( h->param.psz_cqm_file )
@@ -882,8 +1003,6 @@ x264_t *x264_encoder_open( x264_param_t *param )
     if( h->param.rc.psz_stat_in )
         h->param.rc.psz_stat_in = strdup( h->param.rc.psz_stat_in );
 
-    x264_set_aspect_ratio( h, &h->param, 1 );
-
     x264_reduce_fraction( &h->param.i_fps_num, &h->param.i_fps_den );
     x264_reduce_fraction( &h->param.i_timebase_num, &h->param.i_timebase_den );
 
@@ -891,28 +1010,12 @@ x264_t *x264_encoder_open( x264_param_t *param )
     h->i_frame = -1;
     h->i_frame_num = 0;
     h->i_idr_pic_id = 0;
-    uint64_t new_timebase_den = h->param.i_timebase_den;
-    if( h->param.b_dts_compress )
-    {
-        /* h->i_dts_compress_multiplier == h->frames.i_bframe_delay + 1 */
-        h->i_dts_compress_multiplier = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 3 : 2) : 1;
-        if( h->i_dts_compress_multiplier != 1 )
-        {
-            new_timebase_den = h->param.i_timebase_den * h->i_dts_compress_multiplier;
-            x264_log( h, X264_LOG_DEBUG, "DTS compresion changed timebase: %u/%u -> %u/%"PRIu64"\n",
-                      h->param.i_timebase_num, h->param.i_timebase_den,
-                      h->param.i_timebase_num, new_timebase_den );
-        }
-    }
-    else
-        h->i_dts_compress_multiplier = 1;
 
-    if( new_timebase_den * 2 > UINT32_MAX )
+    if( (uint64_t)h->param.i_timebase_den * 2 > UINT32_MAX )
     {
-        x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %"PRIu64" exceeds H.264 maximum\n", new_timebase_den );
+        x264_log( h, X264_LOG_ERROR, "Effective timebase denominator %u exceeds H.264 maximum\n", h->param.i_timebase_den );
         goto fail;
     }
-    h->param.i_timebase_den = new_timebase_den;
 
     h->sps = &h->sps_array[0];
     x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
@@ -920,6 +1023,8 @@ x264_t *x264_encoder_open( x264_param_t *param )
     h->pps = &h->pps_array[0];
     x264_pps_init( h->pps, h->param.i_sps_id, &h->param, h->sps );
 
+    x264_set_aspect_ratio( h, &h->param, 1 );
+
     x264_validate_levels( h, 1 );
 
     h->chroma_qp_table = i_chroma_qp_table + 12 + h->pps->i_chroma_qp_index_offset;
@@ -927,7 +1032,13 @@ x264_t *x264_encoder_open( x264_param_t *param )
     if( x264_cqm_init( h ) < 0 )
         goto fail;
 
-    h->mb.i_mb_count = h->sps->i_mb_width * h->sps->i_mb_height;
+    h->mb.i_mb_width = h->sps->i_mb_width;
+    h->mb.i_mb_height = h->sps->i_mb_height;
+    h->mb.i_mb_count = h->mb.i_mb_width * h->mb.i_mb_height;
+    /* Adaptive MBAFF and subme 0 are not supported as we require halving motion
+     * vectors during prediction, resulting in hpel mvs.
+     * The chosen solution is to make MBAFF non-adaptive in this case. */
+    h->mb.b_adaptive_mbaff = h->param.b_interlaced && h->param.analyse.i_subpel_refine;
 
     /* Init frames. */
     if( h->param.i_bframe_adaptive == X264_B_ADAPT_TRELLIS && !h->param.rc.b_stat_read )
@@ -939,8 +1050,7 @@ x264_t *x264_encoder_open( x264_param_t *param )
     i_slicetype_length = h->frames.i_delay;
     h->frames.i_delay += h->i_thread_frames - 1;
     h->frames.i_delay += h->param.i_sync_lookahead;
-    h->frames.i_delay += h->param.b_vfr_input && (h->param.rc.i_rc_method == X264_RC_ABR || h->param.rc.b_stat_write
-                                                 || h->param.rc.i_vbv_buffer_size);
+    h->frames.i_delay += h->param.b_vfr_input;
     h->frames.i_bframe_delay = h->param.i_bframe ? (h->param.i_bframe_pyramid ? 2 : 1) : 0;
 
     h->frames.i_max_ref0 = h->param.i_frame_reference;
@@ -952,24 +1062,26 @@ x264_t *x264_encoder_open( x264_param_t *param )
           || h->param.i_bframe_adaptive
           || h->param.i_scenecut_threshold
           || h->param.rc.b_mb_tree
-          || h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART );
+          || h->param.analyse.i_weighted_pred );
     h->frames.b_have_lowres |= h->param.rc.b_stat_read && h->param.rc.i_vbv_buffer_size > 0;
     h->frames.b_have_sub8x8_esa = !!(h->param.analyse.inter & X264_ANALYSE_PSUB8x8);
 
+    h->frames.i_last_idr =
     h->frames.i_last_keyframe = - h->param.i_keyint_max;
     h->frames.i_input    = 0;
     h->frames.i_largest_pts = h->frames.i_second_largest_pts = -1;
+    h->frames.i_poc_last_open_gop = -1;
 
     CHECKED_MALLOCZERO( h->frames.unused[0], (h->frames.i_delay + 3) * sizeof(x264_frame_t *) );
     /* Allocate room for max refs plus a few extra just in case. */
-    CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + 20) * sizeof(x264_frame_t *) );
+    CHECKED_MALLOCZERO( h->frames.unused[1], (h->i_thread_frames + X264_REF_MAX + 4) * sizeof(x264_frame_t *) );
     CHECKED_MALLOCZERO( h->frames.current, (h->param.i_sync_lookahead + h->param.i_bframe
                         + h->i_thread_frames + 3) * sizeof(x264_frame_t *) );
     if( h->param.analyse.i_weighted_pred > 0 )
         CHECKED_MALLOCZERO( h->frames.blank_unused, h->i_thread_frames * 4 * sizeof(x264_frame_t *) );
-    h->i_ref0 = 0;
-    h->i_ref1 = 0;
-    h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = h->i_prev_duration = 0;
+    h->i_ref[0] = h->i_ref[1] = 0;
+    h->i_cpb_delay = h->i_coded_fields = h->i_disp_fields = 0;
+    h->i_prev_duration = ((uint64_t)h->param.i_fps_den * h->sps->vui.i_time_scale) / ((uint64_t)h->param.i_fps_num * h->sps->vui.i_num_units_in_tick);
     h->i_disp_fields_last_frame = -1;
     x264_rdo_init();
 
@@ -978,14 +1090,17 @@ x264_t *x264_encoder_open( x264_param_t *param )
     x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
     x264_predict_8x8_init( h->param.cpu, h->predict_8x8, &h->predict_8x8_filter );
     x264_predict_4x4_init( h->param.cpu, h->predict_4x4 );
-    if( !h->param.b_cabac )
-        x264_init_vlc_tables();
+    if( h->param.b_cabac )
+        x264_cabac_init();
+    else
+        x264_cavlc_init();
     x264_pixel_init( h->param.cpu, &h->pixf );
     x264_dct_init( h->param.cpu, &h->dctf );
     x264_zigzag_init( h->param.cpu, &h->zigzagf, h->param.b_interlaced );
     x264_mc_init( h->param.cpu, &h->mc );
     x264_quant_init( h, h->param.cpu, &h->quantf );
     x264_deblock_init( h->param.cpu, &h->loopf );
+    x264_bitstream_init( h->param.cpu, &h->bsf );
     x264_dct_init_weights();
 
     mbcmp_init( h );
@@ -1010,14 +1125,19 @@ x264_t *x264_encoder_open( x264_param_t *param )
         p += sprintf( p, " none!" );
     x264_log( h, X264_LOG_INFO, "%s\n", buf );
 
-    for( qp = h->param.rc.i_qp_min; qp <= h->param.rc.i_qp_max; qp++ )
-        if( x264_analyse_init_costs( h, qp ) )
+    float *logs = x264_analyse_prepare_costs( h );
+    if( !logs )
+        goto fail;
+    for( qp = X264_MIN( h->param.rc.i_qp_min, QP_MAX_SPEC ); qp <= h->param.rc.i_qp_max; qp++ )
+        if( x264_analyse_init_costs( h, logs, qp ) )
             goto fail;
-    if( x264_analyse_init_costs( h, X264_LOOKAHEAD_QP ) )
+    if( x264_analyse_init_costs( h, logs, X264_LOOKAHEAD_QP ) )
         goto fail;
+    x264_free( logs );
 
+    static const uint16_t cost_mv_correct[7] = { 24, 47, 95, 189, 379, 757, 1515 };
     /* Checks for known miscompilation issues. */
-    if( h->cost_mv[1][2013] != 24 )
+    if( h->cost_mv[X264_LOOKAHEAD_QP][2013] != cost_mv_correct[BIT_DEPTH-8] )
     {
         x264_log( h, X264_LOG_ERROR, "MV cost test failed: x264 has been miscompiled!\n" );
         goto fail;
@@ -1028,7 +1148,7 @@ x264_t *x264_encoder_open( x264_param_t *param )
     if( x264_clz( temp ) != 23 )
     {
         x264_log( h, X264_LOG_ERROR, "CLZ test failed: x264 has been miscompiled!\n" );
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
+#if ARCH_X86 || ARCH_X86_64
         x264_log( h, X264_LOG_ERROR, "Are you attempting to run an SSE4a-targeted build on a CPU that\n" );
         x264_log( h, X264_LOG_ERROR, "doesn't support it?\n" );
 #endif
@@ -1040,16 +1160,17 @@ x264_t *x264_encoder_open( x264_param_t *param )
         * ( h->param.rc.i_rc_method == X264_RC_ABR ? pow( 0.95, h->param.rc.i_qp_min )
           : pow( 0.95, h->param.rc.i_qp_constant ) * X264_MAX( 1, h->param.rc.f_ip_factor )));
 
-    CHECKED_MALLOC( h->nal_buffer, h->out.i_bitstream * 3/2 + 4 );
     h->nal_buffer_size = h->out.i_bitstream * 3/2 + 4;
+    CHECKED_MALLOC( h->nal_buffer, h->nal_buffer_size );
+
+    if( h->param.i_threads > 1 &&
+        x264_threadpool_init( &h->threadpool, h->param.i_threads, (void*)x264_encoder_thread_init, h ) )
+        goto fail;
 
     h->thread[0] = h;
     for( int i = 1; i < h->param.i_threads + !!h->param.i_sync_lookahead; i++ )
         CHECKED_MALLOC( h->thread[i], sizeof(x264_t) );
 
-    if( x264_lookahead_init( h, i_slicetype_length ) )
-        goto fail;
-
     for( int i = 0; i < h->param.i_threads; i++ )
     {
         int init_nal_count = h->param.i_slice_count + 3;
@@ -1066,6 +1187,9 @@ x264_t *x264_encoder_open( x264_param_t *param )
         else
             h->thread[i]->fdec = h->thread[0]->fdec;
 
+        h->thread[i]->sps = &h->thread[i]->sps_array[0];
+        h->thread[i]->pps = &h->thread[i]->pps_array[0];
+
         CHECKED_MALLOC( h->thread[i]->out.p_bitstream, h->out.i_bitstream );
         /* Start each thread with room for init_nal_count NAL units; it'll realloc later if needed. */
         CHECKED_MALLOC( h->thread[i]->out.nal, init_nal_count*sizeof(x264_nal_t) );
@@ -1075,6 +1199,9 @@ x264_t *x264_encoder_open( x264_param_t *param )
             goto fail;
     }
 
+    if( x264_lookahead_init( h, i_slicetype_length ) )
+        goto fail;
+
     for( int i = 0; i < h->param.i_threads; i++ )
         if( x264_macroblock_thread_allocate( h->thread[i], 0 ) < 0 )
             goto fail;
@@ -1105,11 +1232,26 @@ x264_t *x264_encoder_open( x264_param_t *param )
         fclose( f );
     }
 
-    x264_log( h, X264_LOG_INFO, "profile %s, level %d.%d\n",
-        h->sps->i_profile_idc == PROFILE_BASELINE ? "Baseline" :
-        h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
-        h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
-        "High 4:4:4 Predictive", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
+    const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Constrained Baseline" :
+                          h->sps->i_profile_idc == PROFILE_MAIN ? "Main" :
+                          h->sps->i_profile_idc == PROFILE_HIGH ? "High" :
+                          h->sps->i_profile_idc == PROFILE_HIGH10 ? (h->sps->b_constraint_set3 == 1 ? "High 10 Intra" : "High 10") :
+                          "High 4:4:4 Predictive";
+    char level[4];
+    snprintf( level, sizeof(level), "%d.%d", h->sps->i_level_idc/10, h->sps->i_level_idc%10 );
+    if( h->sps->i_level_idc == 9 || ( h->sps->i_level_idc == 11 && h->sps->b_constraint_set3 ) )
+        strcpy( level, "1b" );
+
+    if( h->sps->i_profile_idc < PROFILE_HIGH10 )
+    {
+        x264_log( h, X264_LOG_INFO, "profile %s, level %s\n",
+            profile, level );
+    }
+    else
+    {
+        x264_log( h, X264_LOG_INFO, "profile %s, level %s, bit depth %d\n",
+            profile, level, BIT_DEPTH );
+    }
 
     return h;
 fail:
@@ -1133,6 +1275,7 @@ int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
     COPY( b_deblocking_filter );
     COPY( i_deblocking_filter_alphac0 );
     COPY( i_deblocking_filter_beta );
+    COPY( i_frame_packing );
     COPY( analyse.inter );
     COPY( analyse.intra );
     COPY( analyse.i_direct_mv_pred );
@@ -1150,6 +1293,7 @@ int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
     COPY( analyse.b_mixed_references );
     COPY( analyse.f_psy_rd );
     COPY( analyse.f_psy_trellis );
+    COPY( crop_rect );
     // can only twiddle these if they were enabled to begin with:
     if( h->param.analyse.i_me_method >= X264_ME_ESA || param->analyse.i_me_method < X264_ME_ESA )
         COPY( analyse.i_me_method );
@@ -1162,32 +1306,28 @@ int x264_encoder_reconfig( x264_t *h, x264_param_t *param )
     COPY( i_slice_max_size );
     COPY( i_slice_max_mbs );
     COPY( i_slice_count );
+    COPY( b_tff );
 
     /* VBV can't be turned on if it wasn't on to begin with */
     if( h->param.rc.i_vbv_max_bitrate > 0 && h->param.rc.i_vbv_buffer_size > 0 &&
           param->rc.i_vbv_max_bitrate > 0 &&   param->rc.i_vbv_buffer_size > 0 )
     {
+        rc_reconfig |= h->param.rc.i_vbv_max_bitrate != param->rc.i_vbv_max_bitrate;
+        rc_reconfig |= h->param.rc.i_vbv_buffer_size != param->rc.i_vbv_buffer_size;
+        rc_reconfig |= h->param.rc.i_bitrate != param->rc.i_bitrate;
         COPY( rc.i_vbv_max_bitrate );
         COPY( rc.i_vbv_buffer_size );
         COPY( rc.i_bitrate );
-        rc_reconfig = 1;
-    }
-    if( h->param.rc.f_rf_constant != param->rc.f_rf_constant )
-    {
-        COPY( rc.f_rf_constant );
-        rc_reconfig = 1;
-    }
-    if( h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max )
-    {
-        COPY( rc.f_rf_constant_max );
-        rc_reconfig = 1;
     }
-
+    rc_reconfig |= h->param.rc.f_rf_constant != param->rc.f_rf_constant;
+    rc_reconfig |= h->param.rc.f_rf_constant_max != param->rc.f_rf_constant_max;
+    COPY( rc.f_rf_constant );
+    COPY( rc.f_rf_constant_max );
 #undef COPY
 
     mbcmp_init( h );
 
-    int ret = x264_validate_parameters( h );
+    int ret = x264_validate_parameters( h, 0 );
 
     /* Supported reconfiguration options (1-pass only):
      * vbv-maxrate
@@ -1213,8 +1353,9 @@ static void x264_nal_start( x264_t *h, int i_type, int i_ref_idc )
 {
     x264_nal_t *nal = &h->out.nal[h->out.i_nal];
 
-    nal->i_ref_idc = i_ref_idc;
-    nal->i_type    = i_type;
+    nal->i_ref_idc        = i_ref_idc;
+    nal->i_type           = i_type;
+    nal->b_long_startcode = 1;
 
     nal->i_payload= 0;
     nal->p_payload= &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
@@ -1240,6 +1381,8 @@ static int x264_nal_end( x264_t *h )
 {
     x264_nal_t *nal = &h->out.nal[h->out.i_nal];
     nal->i_payload = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8] - nal->p_payload;
+    if( h->param.nalu_process )
+        h->param.nalu_process( h, nal );
     h->out.i_nal++;
 
     return x264_nal_check_buffer( h );
@@ -1249,6 +1392,13 @@ static int x264_encoder_encapsulate_nals( x264_t *h, int start )
 {
     int nal_size = 0, previous_nal_size = 0;
 
+    if( h->param.nalu_process )
+    {
+        for( int i = start; i < h->out.i_nal; i++ )
+            nal_size += h->out.nal[i].i_payload;
+        return nal_size;
+    }
+
     for( int i = 0; i < start; i++ )
         previous_nal_size += h->out.nal[i].i_payload;
 
@@ -1256,9 +1406,11 @@ static int x264_encoder_encapsulate_nals( x264_t *h, int start )
         nal_size += h->out.nal[i].i_payload;
 
     /* Worst-case NAL unit escaping: reallocate the buffer if it's too small. */
-    if( h->nal_buffer_size < nal_size * 3/2 + h->out.i_nal * 4 )
+    int necessary_size = nal_size * 3/2 + h->out.i_nal * 4;
+    if( h->nal_buffer_size < necessary_size )
     {
-        uint8_t *buf = x264_malloc( nal_size * 2 + h->out.i_nal * 4 );
+        h->nal_buffer_size = necessary_size * 2;
+        uint8_t *buf = x264_malloc( h->nal_buffer_size );
         if( !buf )
             return -1;
         if( previous_nal_size )
@@ -1271,13 +1423,13 @@ static int x264_encoder_encapsulate_nals( x264_t *h, int start )
 
     for( int i = start; i < h->out.i_nal; i++ )
     {
-        int long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS;
-        int size = x264_nal_encode( nal_buffer, &h->out.nal[i], h->param.b_annexb, long_startcode );
-        h->out.nal[i].i_payload = size;
-        h->out.nal[i].p_payload = nal_buffer;
-        nal_buffer += size;
+        h->out.nal[i].b_long_startcode = !i || h->out.nal[i].i_type == NAL_SPS || h->out.nal[i].i_type == NAL_PPS;
+        x264_nal_encode( h, nal_buffer, &h->out.nal[i] );
+        nal_buffer += h->out.nal[i].i_payload;
     }
 
+    x264_emms();
+
     return nal_buffer - (h->nal_buffer + previous_nal_size);
 }
 
@@ -1313,6 +1465,8 @@ int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
         return -1;
 
     frame_size = x264_encoder_encapsulate_nals( h, 0 );
+    if( frame_size < 0 )
+        return -1;
 
     /* now set output*/
     *pi_nal = h->out.i_nal;
@@ -1326,40 +1480,64 @@ int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
  * from the standard's default. */
 static inline void x264_reference_check_reorder( x264_t *h )
 {
-    for( int i = 0; i < h->i_ref0 - 1; i++ )
-        /* P and B-frames use different default orders. */
-        if( h->sh.i_type == SLICE_TYPE_P ? h->fref0[i]->i_frame_num < h->fref0[i+1]->i_frame_num
-                                         : h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
+    /* The reorder check doesn't check for missing frames, so just
+     * force a reorder if one of the reference list is corrupt. */
+    for( int i = 0; h->frames.reference[i]; i++ )
+        if( h->frames.reference[i]->b_corrupt )
         {
             h->b_ref_reorder[0] = 1;
-            break;
+            return;
+        }
+    for( int list = 0; list <= (h->sh.i_type == SLICE_TYPE_B); list++ )
+        for( int i = 0; i < h->i_ref[list] - 1; i++ )
+        {
+            int framenum_diff = h->fref[list][i+1]->i_frame_num - h->fref[list][i]->i_frame_num;
+            int poc_diff = h->fref[list][i+1]->i_poc - h->fref[list][i]->i_poc;
+            /* P and B-frames use different default orders. */
+            if( h->sh.i_type == SLICE_TYPE_P ? framenum_diff > 0 : list == 1 ? poc_diff < 0 : poc_diff > 0 )
+            {
+                h->b_ref_reorder[list] = 1;
+                return;
+            }
         }
 }
 
 /* return -1 on failure, else return the index of the new reference frame */
 int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w )
 {
-    int i = h->i_ref0;
+    int i = h->i_ref[0];
     int j = 1;
     x264_frame_t *newframe;
     if( i <= 1 ) /* empty list, definitely can't duplicate frame */
         return -1;
 
+    //Duplication is only used in X264_WEIGHTP_SMART
+    if( h->param.analyse.i_weighted_pred != X264_WEIGHTP_SMART )
+        return -1;
+
+    /* Duplication is a hack to compensate for crappy rounding in motion compensation.
+     * With high bit depth, it's not worth doing, so turn it off except in the case of
+     * unweighted dupes. */
+    if( BIT_DEPTH > 8 && w != weight_none )
+        return -1;
+
     newframe = x264_frame_pop_blank_unused( h );
+    if( !newframe )
+        return -1;
 
     //FIXME: probably don't need to copy everything
-    *newframe = *h->fref0[i_ref];
+    *newframe = *h->fref[0][i_ref];
     newframe->i_reference_count = 1;
-    newframe->orig = h->fref0[i_ref];
+    newframe->orig = h->fref[0][i_ref];
     newframe->b_duplicate = 1;
     memcpy( h->fenc->weight[j], w, sizeof(h->fenc->weight[i]) );
 
     /* shift the frames to make space for the dupe. */
     h->b_ref_reorder[0] = 1;
-    if( h->i_ref0 < 16 )
-        ++h->i_ref0;
-    h->fref0[15] = NULL;
-    x264_frame_unshift( &h->fref0[j], newframe );
+    if( h->i_ref[0] < X264_REF_MAX )
+        ++h->i_ref[0];
+    h->fref[0][X264_REF_MAX-1] = NULL;
+    x264_frame_unshift( &h->fref[0][j], newframe );
 
     return j;
 }
@@ -1367,14 +1545,14 @@ int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t
 static void x264_weighted_pred_init( x264_t *h )
 {
     /* for now no analysis and set all weights to nothing */
-    for( int i_ref = 0; i_ref < h->i_ref0; i_ref++ )
-        h->fenc->weighted[i_ref] = h->fref0[i_ref]->filtered[0];
+    for( int i_ref = 0; i_ref < h->i_ref[0]; i_ref++ )
+        h->fenc->weighted[i_ref] = h->fref[0][i_ref]->filtered[0];
 
     // FIXME: This only supports weighting of one reference frame
     // and duplicates of that frame.
     h->fenc->i_lines_weighted = 0;
 
-    for( int i_ref = 0; i_ref < (h->i_ref0 << h->sh.b_mbaff); i_ref++ )
+    for( int i_ref = 0; i_ref < (h->i_ref[0] << h->sh.b_mbaff); i_ref++ )
         for( int i = 0; i < 3; i++ )
             h->sh.weight[i_ref][i].weightfn = NULL;
 
@@ -1384,49 +1562,77 @@ static void x264_weighted_pred_init( x264_t *h )
 
     int i_padv = PADV << h->param.b_interlaced;
     int denom = -1;
-    int weightluma = 0;
+    int weightplane[2] = { 0, 0 };
     int buffer_next = 0;
-    //FIXME: when chroma support is added, move this into loop
-    h->sh.weight[0][1].weightfn = h->sh.weight[0][2].weightfn = NULL;
-    h->sh.weight[0][1].i_denom = h->sh.weight[0][2].i_denom = 0;
-    for( int j = 0; j < h->i_ref0; j++ )
+    for( int i = 0; i < 3; i++ )
     {
-        if( h->fenc->weight[j][0].weightfn )
+        for( int j = 0; j < h->i_ref[0]; j++ )
         {
-            h->sh.weight[j][0] = h->fenc->weight[j][0];
-            // if weight is useless, don't write it to stream
-            if( h->sh.weight[j][0].i_scale == 1<<h->sh.weight[j][0].i_denom && h->sh.weight[j][0].i_offset == 0 )
-                h->sh.weight[j][0].weightfn = NULL;
-            else
+            if( h->fenc->weight[j][i].weightfn )
             {
-                if( !weightluma )
+                h->sh.weight[j][i] = h->fenc->weight[j][i];
+                // if weight is useless, don't write it to stream
+                if( h->sh.weight[j][i].i_scale == 1<<h->sh.weight[j][i].i_denom && h->sh.weight[j][i].i_offset == 0 )
+                    h->sh.weight[j][i].weightfn = NULL;
+                else
                 {
-                    weightluma = 1;
-                    h->sh.weight[0][0].i_denom = denom = h->sh.weight[j][0].i_denom;
-                    assert( x264_clip3( denom, 0, 7 ) == denom );
+                    if( !weightplane[!!i] )
+                    {
+                        weightplane[!!i] = 1;
+                        h->sh.weight[0][!!i].i_denom = denom = h->sh.weight[j][i].i_denom;
+                        assert( x264_clip3( denom, 0, 7 ) == denom );
+                    }
+
+                    assert( h->sh.weight[j][i].i_denom == denom );
+                    if( !i )
+                    {
+                        h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] + h->fenc->i_stride[0] * i_padv + PADH;
+                        //scale full resolution frame
+                        if( h->param.i_threads == 1 )
+                        {
+                            pixel *src = h->fref[0][j]->filtered[0] - h->fref[0][j]->i_stride[0]*i_padv - PADH;
+                            pixel *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
+                            int stride = h->fenc->i_stride[0];
+                            int width = h->fenc->i_width[0] + PADH*2;
+                            int height = h->fenc->i_lines[0] + i_padv*2;
+                            x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
+                            h->fenc->i_lines_weighted = height;
+                        }
+                    }
                 }
-                assert( h->sh.weight[j][0].i_denom == denom );
-                assert( x264_clip3( h->sh.weight[j][0].i_scale, 0, 127 ) == h->sh.weight[j][0].i_scale );
-                assert( x264_clip3( h->sh.weight[j][0].i_offset, -128, 127 ) == h->sh.weight[j][0].i_offset );
-                h->fenc->weighted[j] = h->mb.p_weight_buf[buffer_next++] +
-                    h->fenc->i_stride[0] * i_padv + PADH;
             }
         }
+    }
 
-        //scale full resolution frame
-        if( h->sh.weight[j][0].weightfn && h->param.i_threads == 1 )
+    if( weightplane[1] )
+        for( int i = 0; i < h->i_ref[0]; i++ )
         {
-            uint8_t *src = h->fref0[j]->filtered[0] - h->fref0[j]->i_stride[0]*i_padv - PADH;
-            uint8_t *dst = h->fenc->weighted[j] - h->fenc->i_stride[0]*i_padv - PADH;
-            int stride = h->fenc->i_stride[0];
-            int width = h->fenc->i_width[0] + PADH*2;
-            int height = h->fenc->i_lines[0] + i_padv*2;
-            x264_weight_scale_plane( h, dst, stride, src, stride, width, height, &h->sh.weight[j][0] );
-            h->fenc->i_lines_weighted = height;
+            if( h->sh.weight[i][1].weightfn && !h->sh.weight[i][2].weightfn )
+            {
+                h->sh.weight[i][2].i_scale = 1 << h->sh.weight[0][1].i_denom;
+                h->sh.weight[i][2].i_offset = 0;
+            }
+            else if( h->sh.weight[i][2].weightfn && !h->sh.weight[i][1].weightfn )
+            {
+                h->sh.weight[i][1].i_scale = 1 << h->sh.weight[0][1].i_denom;
+                h->sh.weight[i][1].i_offset = 0;
+            }
         }
-    }
-    if( !weightluma )
+
+    if( !weightplane[0] )
         h->sh.weight[0][0].i_denom = 0;
+    if( !weightplane[1] )
+        h->sh.weight[0][1].i_denom = 0;
+    h->sh.weight[0][2].i_denom = h->sh.weight[0][1].i_denom;
+}
+
+static inline int x264_reference_distance( x264_t *h, x264_frame_t *frame )
+{
+    if( h->param.i_frame_packing == 5 )
+        return abs((h->fenc->i_frame&~1) - (frame->i_frame&~1)) +
+                  ((h->fenc->i_frame&1) != (frame->i_frame&1));
+    else
+        return abs(h->fenc->i_frame - frame->i_frame);
 }
 
 static inline void x264_reference_build_list( x264_t *h, int i_poc )
@@ -1434,68 +1640,66 @@ static inline void x264_reference_build_list( x264_t *h, int i_poc )
     int b_ok;
 
     /* build ref list 0/1 */
-    h->mb.pic.i_fref[0] = h->i_ref0 = 0;
-    h->mb.pic.i_fref[1] = h->i_ref1 = 0;
+    h->mb.pic.i_fref[0] = h->i_ref[0] = 0;
+    h->mb.pic.i_fref[1] = h->i_ref[1] = 0;
     if( h->sh.i_type == SLICE_TYPE_I )
         return;
 
     for( int i = 0; h->frames.reference[i]; i++ )
     {
+        if( h->frames.reference[i]->b_corrupt )
+            continue;
         if( h->frames.reference[i]->i_poc < i_poc )
-            h->fref0[h->i_ref0++] = h->frames.reference[i];
+            h->fref[0][h->i_ref[0]++] = h->frames.reference[i];
         else if( h->frames.reference[i]->i_poc > i_poc )
-            h->fref1[h->i_ref1++] = h->frames.reference[i];
+            h->fref[1][h->i_ref[1]++] = h->frames.reference[i];
     }
 
-    /* Order ref0 from higher to lower poc */
-    do
+    /* Order reference lists by distance from the current frame. */
+    for( int list = 0; list < 2; list++ )
     {
-        b_ok = 1;
-        for( int i = 0; i < h->i_ref0 - 1; i++ )
+        h->fref_nearest[list] = h->fref[list][0];
+        do
         {
-            if( h->fref0[i]->i_poc < h->fref0[i+1]->i_poc )
+            b_ok = 1;
+            for( int i = 0; i < h->i_ref[list] - 1; i++ )
             {
-                XCHG( x264_frame_t*, h->fref0[i], h->fref0[i+1] );
-                b_ok = 0;
-                break;
+                if( list ? h->fref[list][i+1]->i_poc < h->fref_nearest[list]->i_poc
+                         : h->fref[list][i+1]->i_poc > h->fref_nearest[list]->i_poc )
+                    h->fref_nearest[list] = h->fref[list][i+1];
+                if( x264_reference_distance( h, h->fref[list][i] ) > x264_reference_distance( h, h->fref[list][i+1] ) )
+                {
+                    XCHG( x264_frame_t*, h->fref[list][i], h->fref[list][i+1] );
+                    b_ok = 0;
+                    break;
+                }
             }
-        }
-    } while( !b_ok );
+        } while( !b_ok );
+    }
 
     if( h->sh.i_mmco_remove_from_end )
-        for( int i = h->i_ref0-1; i >= h->i_ref0 - h->sh.i_mmco_remove_from_end; i-- )
+        for( int i = h->i_ref[0]-1; i >= h->i_ref[0] - h->sh.i_mmco_remove_from_end; i-- )
         {
-            int diff = h->i_frame_num - h->fref0[i]->i_frame_num;
-            h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref0[i]->i_poc;
+            int diff = h->i_frame_num - h->fref[0][i]->i_frame_num;
+            h->sh.mmco[h->sh.i_mmco_command_count].i_poc = h->fref[0][i]->i_poc;
             h->sh.mmco[h->sh.i_mmco_command_count++].i_difference_of_pic_nums = diff;
         }
 
-    /* Order ref1 from lower to higher poc (bubble sort) for B-frame */
-    do
-    {
-        b_ok = 1;
-        for( int i = 0; i < h->i_ref1 - 1; i++ )
-        {
-            if( h->fref1[i]->i_poc > h->fref1[i+1]->i_poc )
-            {
-                XCHG( x264_frame_t*, h->fref1[i], h->fref1[i+1] );
-                b_ok = 0;
-                break;
-            }
-        }
-    } while( !b_ok );
-
     x264_reference_check_reorder( h );
 
-    h->i_ref1 = X264_MIN( h->i_ref1, h->frames.i_max_ref1 );
-    h->i_ref0 = X264_MIN( h->i_ref0, h->frames.i_max_ref0 );
-    h->i_ref0 = X264_MIN( h->i_ref0, h->param.i_frame_reference ); // if reconfig() has lowered the limit
+    h->i_ref[1] = X264_MIN( h->i_ref[1], h->frames.i_max_ref1 );
+    h->i_ref[0] = X264_MIN( h->i_ref[0], h->frames.i_max_ref0 );
+    h->i_ref[0] = X264_MIN( h->i_ref[0], h->param.i_frame_reference ); // if reconfig() has lowered the limit
+
+    /* For Blu-ray compliance, don't reference frames outside of the minigop. */
+    if( IS_X264_TYPE_B( h->fenc->i_type ) && h->param.b_bluray_compat )
+        h->i_ref[0] = X264_MIN( h->i_ref[0], IS_X264_TYPE_B( h->fref[0][0]->i_type ) + 1 );
 
     /* add duplicates */
     if( h->fenc->i_type == X264_TYPE_P )
     {
         int idx = -1;
-        if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
+        if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
         {
             x264_weight_t w[3];
             w[1].weightfn = w[2].weightfn = NULL;
@@ -1524,21 +1728,12 @@ static inline void x264_reference_build_list( x264_t *h, int i_poc )
                 }
             }
         }
-        else if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_BLIND )
-        {
-            //weighted offset=-1
-            x264_weight_t w[3];
-            SET_WEIGHT( w[0], 1, 1, 0, -1 );
-            h->fenc->weight[0][0].i_denom = 0;
-            w[1].weightfn = w[2].weightfn = NULL;
-            idx = x264_weighted_reference_duplicate( h, 0, w );
-        }
         h->mb.ref_blind_dupe = idx;
     }
 
-    assert( h->i_ref0 + h->i_ref1 <= 16 );
-    h->mb.pic.i_fref[0] = h->i_ref0;
-    h->mb.pic.i_fref[1] = h->i_ref1;
+    assert( h->i_ref[0] + h->i_ref[1] <= X264_REF_MAX );
+    h->mb.pic.i_fref[0] = h->i_ref[0];
+    h->mb.pic.i_fref[1] = h->i_ref[1];
 }
 
 static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
@@ -1550,7 +1745,10 @@ static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
     int b_measure_quality = 1;
     int min_y = mb_y - (1 << h->sh.b_mbaff);
     int b_start = min_y == h->i_threadslice_start;
-    int max_y = b_end ? h->i_threadslice_end : mb_y;
+    /* Even in interlaced mode, deblocking never modifies more than 4 pixels
+     * above each MB, as bS=4 doesn't happen for the top of interlaced mbpairs. */
+    int minpix_y = min_y*16 - 4 * !b_start;
+    int maxpix_y = mb_y*16 - 4 * !b_end;
     b_deblock &= b_hpel || h->param.psz_dump_yuv;
     if( h->param.b_sliced_threads && b_start && min_y && !b_inloop )
     {
@@ -1562,22 +1760,23 @@ static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
     if( min_y < h->i_threadslice_start )
         return;
 
-    if( !b_end && b_inloop )
-        for( int j = 0; j <= h->sh.b_mbaff; j++ )
-            for( int i = 0; i < 3; i++ )
-            {
-                memcpy( h->intra_border_backup[j][i],
-                        h->fdec->plane[i] + ((mb_y*16 >> !!i) + j - 1 - h->sh.b_mbaff) * h->fdec->i_stride[i],
-                        h->sps->i_mb_width*16 >> !!i );
-            }
-
     if( b_deblock )
-        for( int y = min_y; y < max_y; y += (1 << h->sh.b_mbaff) )
+        for( int y = min_y; y < mb_y; y += (1 << h->sh.b_mbaff) )
             x264_frame_deblock_row( h, y );
 
+    /* FIXME: Prediction requires different borders for interlaced/progressive mc,
+     * but the actual image data is equivalent. For now, maintain this
+     * consistency by copying deblocked pixels between planes. */
+    if( h->param.b_interlaced )
+        for( int p = 0; p < 2; p++ )
+            for( int i = minpix_y>>p; i < maxpix_y>>p; i++ )
+                memcpy( h->fdec->plane_fld[p] + i*h->fdec->i_stride[p],
+                        h->fdec->plane[p]     + i*h->fdec->i_stride[p],
+                        h->mb.i_mb_width*16*sizeof(pixel) );
+
     if( b_hpel )
     {
-        int end = mb_y == h->sps->i_mb_height;
+        int end = mb_y == h->mb.i_mb_height;
         x264_frame_expand_border( h, h->fdec, min_y, end );
         if( h->param.analyse.i_subpel_refine )
         {
@@ -1586,33 +1785,46 @@ static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
         }
     }
 
+    if( h->sh.b_mbaff )
+        for( int i = 0; i < 2; i++ )
+        {
+            XCHG( pixel *, h->intra_border_backup[0][i], h->intra_border_backup[3][i] );
+            XCHG( pixel *, h->intra_border_backup[1][i], h->intra_border_backup[4][i] );
+        }
+
     if( h->i_thread_frames > 1 && h->fdec->b_kept_as_ref )
         x264_frame_cond_broadcast( h->fdec, mb_y*16 + (b_end ? 10000 : -(X264_THREAD_HEIGHT << h->sh.b_mbaff)) );
 
-    min_y = min_y*16 - 8 * !b_start;
-    max_y = b_end ? X264_MIN( h->i_threadslice_end*16 , h->param.i_height ) : mb_y*16 - 8;
-
     if( b_measure_quality )
     {
+        maxpix_y = X264_MIN( maxpix_y, h->param.i_height );
         if( h->param.analyse.b_psnr )
-            for( int i = 0; i < 3; i++ )
-                h->stat.frame.i_ssd[i] +=
-                    x264_pixel_ssd_wxh( &h->pixf,
-                        h->fdec->plane[i] + (min_y>>!!i) * h->fdec->i_stride[i], h->fdec->i_stride[i],
-                        h->fenc->plane[i] + (min_y>>!!i) * h->fenc->i_stride[i], h->fenc->i_stride[i],
-                        h->param.i_width >> !!i, (max_y-min_y) >> !!i );
+        {
+            uint64_t ssd_y = x264_pixel_ssd_wxh( &h->pixf,
+                h->fdec->plane[0] + minpix_y * h->fdec->i_stride[0], h->fdec->i_stride[0],
+                h->fenc->plane[0] + minpix_y * h->fenc->i_stride[0], h->fenc->i_stride[0],
+                h->param.i_width, maxpix_y-minpix_y );
+            uint64_t ssd_u, ssd_v;
+            x264_pixel_ssd_nv12( &h->pixf,
+                h->fdec->plane[1] + (minpix_y>>1) * h->fdec->i_stride[1], h->fdec->i_stride[1],
+                h->fenc->plane[1] + (minpix_y>>1) * h->fenc->i_stride[1], h->fenc->i_stride[1],
+                h->param.i_width>>1, (maxpix_y-minpix_y)>>1, &ssd_u, &ssd_v );
+            h->stat.frame.i_ssd[0] += ssd_y;
+            h->stat.frame.i_ssd[1] += ssd_u;
+            h->stat.frame.i_ssd[2] += ssd_v;
+        }
 
         if( h->param.analyse.b_ssim )
         {
             x264_emms();
             /* offset by 2 pixels to avoid alignment of ssim blocks with dct blocks,
              * and overlap by 4 */
-            min_y += b_start ? 2 : -6;
+            minpix_y += b_start ? 2 : -6;
             h->stat.frame.f_ssim +=
                 x264_pixel_ssim_wxh( &h->pixf,
-                    h->fdec->plane[0] + 2+min_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
-                    h->fenc->plane[0] + 2+min_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
-                    h->param.i_width-2, max_y-min_y, h->scratch_buffer );
+                    h->fdec->plane[0] + 2+minpix_y*h->fdec->i_stride[0], h->fdec->i_stride[0],
+                    h->fenc->plane[0] + 2+minpix_y*h->fenc->i_stride[0], h->fenc->i_stride[0],
+                    h->param.i_width-2, maxpix_y-minpix_y, h->scratch_buffer );
         }
     }
 }
@@ -1659,35 +1871,37 @@ static inline void x264_reference_hierarchy_reset( x264_t *h )
 {
     int ref;
     int b_hasdelayframe = 0;
-    if( !h->param.i_bframe_pyramid )
-        return;
 
     /* look for delay frames -- chain must only contain frames that are disposable */
     for( int i = 0; h->frames.current[i] && IS_DISPOSABLE( h->frames.current[i]->i_type ); i++ )
         b_hasdelayframe |= h->frames.current[i]->i_coded
                         != h->frames.current[i]->i_frame + h->sps->vui.i_num_reorder_frames;
 
-    if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe )
+    /* This function must handle b-pyramid and clear frames for open-gop */
+    if( h->param.i_bframe_pyramid != X264_B_PYRAMID_STRICT && !b_hasdelayframe && h->frames.i_poc_last_open_gop == -1 )
         return;
 
     /* Remove last BREF. There will never be old BREFs in the
      * dpb during a BREF decode when pyramid == STRICT */
     for( ref = 0; h->frames.reference[ref]; ref++ )
     {
-        if( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
+        if( h->param.i_bframe_pyramid == X264_B_PYRAMID_STRICT
             && h->frames.reference[ref]->i_type == X264_TYPE_BREF )
+            || ( h->frames.reference[ref]->i_poc < h->frames.i_poc_last_open_gop
+            && h->sh.i_type != SLICE_TYPE_B ) )
         {
             int diff = h->i_frame_num - h->frames.reference[ref]->i_frame_num;
             h->sh.mmco[h->sh.i_mmco_command_count].i_difference_of_pic_nums = diff;
             h->sh.mmco[h->sh.i_mmco_command_count++].i_poc = h->frames.reference[ref]->i_poc;
-            x264_frame_push_unused( h, x264_frame_pop( h->frames.reference ) );
+            x264_frame_push_unused( h, x264_frame_shift( &h->frames.reference[ref] ) );
             h->b_ref_reorder[0] = 1;
-            break;
+            ref--;
         }
     }
 
-    /* Prepare to room in the dpb for the delayed display time of the later b-frame's */
-    h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
+    /* Prepare room in the dpb for the delayed display time of the later b-frame's */
+    if( h->param.i_bframe_pyramid )
+        h->sh.i_mmco_remove_from_end = X264_MAX( ref + 2 - h->frames.i_max_dpb, 0 );
 }
 
 static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
@@ -1697,15 +1911,15 @@ static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
     {
         x264_slice_header_init( h, &h->sh, h->sps, h->pps, h->i_idr_pic_id, h->i_frame_num, i_global_qp );
 
-        /* increment id */
-        h->i_idr_pic_id = ( h->i_idr_pic_id + 1 ) % 65536;
+        /* alternate id */
+        h->i_idr_pic_id ^= 1;
     }
     else
     {
         x264_slice_header_init( h, &h->sh, h->sps, h->pps, -1, h->i_frame_num, i_global_qp );
 
-        h->sh.i_num_ref_idx_l0_active = h->i_ref0 <= 0 ? 1 : h->i_ref0;
-        h->sh.i_num_ref_idx_l1_active = h->i_ref1 <= 0 ? 1 : h->i_ref1;
+        h->sh.i_num_ref_idx_l0_active = h->i_ref[0] <= 0 ? 1 : h->i_ref[0];
+        h->sh.i_num_ref_idx_l1_active = h->i_ref[1] <= 0 ? 1 : h->i_ref[1];
         if( h->sh.i_num_ref_idx_l0_active != h->pps->i_num_ref_idx_l0_default_active ||
             (h->sh.i_type == SLICE_TYPE_B && h->sh.i_num_ref_idx_l1_active != h->pps->i_num_ref_idx_l1_default_active) )
         {
@@ -1713,6 +1927,12 @@ static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
         }
     }
 
+    if( h->fenc->i_type == X264_TYPE_BREF && h->param.b_bluray_compat && h->sh.i_mmco_command_count )
+    {
+        h->b_sh_backup = 1;
+        h->sh_backup = h->sh;
+    }
+
     h->fdec->i_frame_num = h->sh.i_frame_num;
 
     if( h->sps->i_poc_type == 0 )
@@ -1721,11 +1941,12 @@ static inline void x264_slice_init( x264_t *h, int i_nal_type, int i_global_qp )
         if( h->param.b_interlaced )
         {
             h->sh.i_delta_poc_bottom = h->param.b_tff ? 1 : -1;
-            if( h->sh.i_delta_poc_bottom == -1 )
-                h->sh.i_poc = h->fdec->i_poc + 1;
+            h->sh.i_poc += h->sh.i_delta_poc_bottom == -1;
         }
         else
             h->sh.i_delta_poc_bottom = 0;
+        h->fdec->i_delta_poc[0] = h->sh.i_delta_poc_bottom == -1;
+        h->fdec->i_delta_poc[1] = h->sh.i_delta_poc_bottom ==  1;
     }
     else if( h->sps->i_poc_type == 1 )
     {
@@ -1744,21 +1965,28 @@ static int x264_slice_write( x264_t *h )
     int i_skip;
     int mb_xy, i_mb_x, i_mb_y;
     int i_skip_bak = 0; /* Shut up GCC. */
-    bs_t bs_bak;
+    bs_t UNINIT(bs_bak);
     x264_cabac_t cabac_bak;
     uint8_t cabac_prevbyte_bak = 0; /* Shut up GCC. */
-    /* Assume no more than 3 bytes of NALU escaping.
-     * NALUs other than the first use a 3-byte startcode. */
-    int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 3;
-    int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : INT_MAX;
+    int mv_bits_bak = 0;
+    int tex_bits_bak = 0;
+    /* NALUs other than the first use a 3-byte startcode.
+     * Add one extra byte for the rbsp, and one more for the final CABAC putbyte.
+     * Then add an extra 5 bytes just in case, to account for random NAL escapes and
+     * other inaccuracies. */
+    int overhead_guess = (NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal)) + 1 + h->param.b_cabac + 5;
+    int slice_max_size = h->param.i_slice_max_size > 0 ? (h->param.i_slice_max_size-overhead_guess)*8 : 0;
+    int back_up_bitstream = slice_max_size || (!h->param.b_cabac && h->sps->i_profile_idc < PROFILE_HIGH);
     int starting_bits = bs_pos(&h->out.bs);
     int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
     int b_hpel = h->fdec->b_kept_as_ref;
+    uint8_t *last_emu_check;
     b_deblock &= b_hpel || h->param.psz_dump_yuv;
     bs_realign( &h->out.bs );
 
     /* Slice */
     x264_nal_start( h, h->i_nal_type, h->i_nal_ref_idc );
+    h->out.nal[h->out.i_nal].i_first_mb = h->sh.i_first_mb;
 
     /* Slice header */
     x264_macroblock_thread_init( h );
@@ -1766,7 +1994,7 @@ static int x264_slice_write( x264_t *h )
     /* If this isn't the first slice in the threadslice, set the slice QP
      * equal to the last QP in the previous slice for more accurate
      * CABAC initialization. */
-    if( h->sh.i_first_mb != h->i_threadslice_start * h->sps->i_mb_width )
+    if( h->sh.i_first_mb != h->i_threadslice_start * h->mb.i_mb_width )
     {
         h->sh.i_qp = h->mb.i_last_qp;
         h->sh.i_qp_delta = h->sh.i_qp - h->pps->i_pic_init_qp;
@@ -1779,21 +2007,30 @@ static int x264_slice_write( x264_t *h )
         bs_align_1( &h->out.bs );
 
         /* init cabac */
-        x264_cabac_context_init( &h->cabac, h->sh.i_type, h->sh.i_qp, h->sh.i_cabac_init_idc );
+        x264_cabac_context_init( &h->cabac, h->sh.i_type, x264_clip3( h->sh.i_qp-QP_BD_OFFSET, 0, 51 ), h->sh.i_cabac_init_idc );
         x264_cabac_encode_init ( &h->cabac, h->out.bs.p, h->out.bs.p_end );
+        last_emu_check = h->cabac.p;
     }
+    else
+        last_emu_check = h->out.bs.p;
     h->mb.i_last_qp = h->sh.i_qp;
     h->mb.i_last_dqp = 0;
 
-    i_mb_y = h->sh.i_first_mb / h->sps->i_mb_width;
-    i_mb_x = h->sh.i_first_mb % h->sps->i_mb_width;
+    i_mb_y = h->sh.i_first_mb / h->mb.i_mb_width;
+    i_mb_x = h->sh.i_first_mb % h->mb.i_mb_width;
     i_skip = 0;
 
-    while( (mb_xy = i_mb_x + i_mb_y * h->sps->i_mb_width) <= h->sh.i_last_mb )
+    while( (mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width) <= h->sh.i_last_mb )
     {
         int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
-        if( h->param.i_slice_max_size > 0 )
+
+        if( x264_bitstream_check_buffer( h ) )
+            return -1;
+
+        if( back_up_bitstream )
         {
+            mv_bits_bak = h->stat.frame.i_mv_bits;
+            tex_bits_bak = h->stat.frame.i_tex_bits;
             /* We don't need the contexts because flushing the CABAC encoder has no context
              * dependency and macroblocks are only re-encoded in the case where a slice is
              * ended (and thus the content of all contexts are thrown away). */
@@ -1814,17 +2051,26 @@ static int x264_slice_write( x264_t *h )
         if( i_mb_x == 0 && !h->mb.b_reencode_mb )
             x264_fdec_filter_row( h, i_mb_y, 1 );
 
+        if( h->param.b_interlaced )
+        {
+            if( h->mb.b_adaptive_mbaff )
+            {
+                if( !(i_mb_y&1) )
+                    h->mb.b_interlaced = 1;
+                x264_zigzag_init( h->param.cpu, &h->zigzagf, h->mb.b_interlaced );
+            }
+            h->mb.field[mb_xy] = h->mb.b_interlaced;
+        }
+
         /* load cache */
         x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
 
         x264_macroblock_analyse( h );
 
         /* encode this macroblock -> be careful it can change the mb type to P_SKIP if needed */
+reencode:
         x264_macroblock_encode( h );
 
-        if( x264_bitstream_check_buffer( h ) )
-            return -1;
-
         if( h->param.b_cabac )
         {
             if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) )
@@ -1851,41 +2097,70 @@ static int x264_slice_write( x264_t *h )
                     i_skip = 0;
                 }
                 x264_macroblock_write_cavlc( h );
+                /* If there was a CAVLC level code overflow, try again at a higher QP. */
+                if( h->mb.b_overflow )
+                {
+                    h->mb.i_chroma_qp = h->chroma_qp_table[++h->mb.i_qp];
+                    h->mb.i_skip_intra = 0;
+                    h->mb.b_skip_mc = 0;
+                    h->mb.b_overflow = 0;
+                    h->out.bs = bs_bak;
+                    i_skip = i_skip_bak;
+                    h->stat.frame.i_mv_bits = mv_bits_bak;
+                    h->stat.frame.i_tex_bits = tex_bits_bak;
+                    goto reencode;
+                }
             }
         }
 
         int total_bits = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
         int mb_size = total_bits - mb_spos;
 
-        /* We'll just re-encode this last macroblock if we go over the max slice size. */
-        if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
+        if( slice_max_size )
         {
-            if( mb_xy != h->sh.i_first_mb )
+            /* Count the skip run, just in case. */
+            if( !h->param.b_cabac )
+                total_bits += bs_size_ue_big( i_skip );
+            /* Check for escape bytes. */
+            uint8_t *end = h->param.b_cabac ? h->cabac.p : h->out.bs.p;
+            for( ; last_emu_check < end - 2; last_emu_check++ )
+                if( last_emu_check[0] == 0 && last_emu_check[1] == 0 && last_emu_check[2] <= 3 )
+                {
+                    slice_max_size -= 8;
+                    last_emu_check++;
+                }
+            /* We'll just re-encode this last macroblock if we go over the max slice size. */
+            if( total_bits - starting_bits > slice_max_size && !h->mb.b_reencode_mb )
             {
-                if( h->param.b_cabac )
+                if( mb_xy != h->sh.i_first_mb )
                 {
-                    memcpy( &h->cabac, &cabac_bak, offsetof(x264_cabac_t, f8_bits_encoded) );
-                    h->cabac.p[-1] = cabac_prevbyte_bak;
+                    h->stat.frame.i_mv_bits = mv_bits_bak;
+                    h->stat.frame.i_tex_bits = tex_bits_bak;
+                    if( h->param.b_cabac )
+                    {
+                        memcpy( &h->cabac, &cabac_bak, offsetof(x264_cabac_t, f8_bits_encoded) );
+                        h->cabac.p[-1] = cabac_prevbyte_bak;
+                    }
+                    else
+                    {
+                        h->out.bs = bs_bak;
+                        i_skip = i_skip_bak;
+                    }
+                    h->mb.b_reencode_mb = 1;
+                    h->sh.i_last_mb = mb_xy-1;
+                    break;
                 }
                 else
                 {
-                    h->out.bs = bs_bak;
-                    i_skip = i_skip_bak;
+                    h->sh.i_last_mb = mb_xy;
+                    h->mb.b_reencode_mb = 0;
                 }
-                h->mb.b_reencode_mb = 1;
-                h->sh.i_last_mb = mb_xy-1;
-                break;
             }
             else
-            {
-                h->sh.i_last_mb = mb_xy;
                 h->mb.b_reencode_mb = 0;
-            }
         }
-        else
-            h->mb.b_reencode_mb = 0;
 
-#ifdef HAVE_VISUALIZE
+#if HAVE_VISUALIZE
         if( h->param.b_visualize )
             x264_visualize_mb( h );
 #endif
@@ -1950,7 +2225,7 @@ static int x264_slice_write( x264_t *h )
         if( b_deblock )
         {
             int mvy_limit = 4 >> h->sh.b_mbaff;
-            uint8_t (*bs)[4][4] = h->deblock_strength[h->mb.i_mb_y&h->sh.b_mbaff][h->mb.i_mb_x];
+            uint8_t (*bs)[4][4] = h->deblock_strength[h->mb.i_mb_y&1][h->mb.i_mb_x];
             x264_macroblock_cache_load_deblock( h );
             if( IS_INTRA( h->mb.type[h->mb.i_mb_xy] ) )
                 memset( bs, 3, 2*4*4*sizeof(uint8_t) );
@@ -1964,16 +2239,17 @@ static int x264_slice_write( x264_t *h )
         if( h->sh.b_mbaff )
         {
             i_mb_x += i_mb_y & 1;
-            i_mb_y ^= i_mb_x < h->sps->i_mb_width;
+            i_mb_y ^= i_mb_x < h->mb.i_mb_width;
         }
         else
             i_mb_x++;
-        if( i_mb_x == h->sps->i_mb_width )
+        if( i_mb_x == h->mb.i_mb_width )
         {
             i_mb_y++;
             i_mb_x = 0;
         }
     }
+    h->out.nal[h->out.i_nal].i_last_mb = h->sh.i_last_mb;
 
     if( h->param.b_cabac )
     {
@@ -1991,7 +2267,7 @@ static int x264_slice_write( x264_t *h )
     if( x264_nal_end( h ) )
         return -1;
 
-    if( h->sh.i_last_mb == (h->i_threadslice_end * h->sps->i_mb_width - 1) )
+    if( h->sh.i_last_mb == (h->i_threadslice_end * h->mb.i_mb_width - 1) )
     {
         h->stat.frame.i_misc_bits = bs_pos( &h->out.bs )
                                   + (h->out.i_nal*NALU_OVERHEAD * 8)
@@ -2020,6 +2296,7 @@ static void x264_thread_sync_context( x264_t *dst, x264_t *src )
     memcpy( &dst->i_frame, &src->i_frame, offsetof(x264_t, mb.type) - offsetof(x264_t, i_frame) );
     dst->param = src->param;
     dst->stat = src->stat;
+    dst->pixf = src->pixf;
 }
 
 static void x264_thread_sync_stat( x264_t *dst, x264_t *src )
@@ -2033,16 +2310,8 @@ static void *x264_slices_write( x264_t *h )
 {
     int i_slice_num = 0;
     int last_thread_mb = h->sh.i_last_mb;
-    if( h->param.i_sync_lookahead )
-        x264_lower_thread_priority( 10 );
-
-#ifdef HAVE_MMX
-    /* Misalign mask has to be set separately for each thread. */
-    if( h->param.cpu&X264_CPU_SSE_MISALIGN )
-        x264_cpu_mask_misalign_sse();
-#endif
 
-#ifdef HAVE_VISUALIZE
+#if HAVE_VISUALIZE
     if( h->param.b_visualize )
         if( x264_visualize_init( h ) )
             return (void *)-1;
@@ -2058,8 +2327,8 @@ static void *x264_slices_write( x264_t *h )
             h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
         else if( h->param.i_slice_count && !h->param.b_sliced_threads )
         {
-            int height = h->sps->i_mb_height >> h->param.b_interlaced;
-            int width = h->sps->i_mb_width << h->param.b_interlaced;
+            int height = h->mb.i_mb_height >> h->param.b_interlaced;
+            int width = h->mb.i_mb_width << h->param.b_interlaced;
             i_slice_num++;
             h->sh.i_last_mb = (height * i_slice_num + h->param.i_slice_count/2) / h->param.i_slice_count * width - 1;
         }
@@ -2069,7 +2338,7 @@ static void *x264_slices_write( x264_t *h )
         h->sh.i_first_mb = h->sh.i_last_mb + 1;
     }
 
-#ifdef HAVE_VISUALIZE
+#if HAVE_VISUALIZE
     if( h->param.b_visualize )
     {
         x264_visualize_show( h );
@@ -2082,11 +2351,6 @@ static void *x264_slices_write( x264_t *h )
 
 static int x264_threaded_slices_write( x264_t *h )
 {
-    void *ret = NULL;
-#ifdef HAVE_MMX
-    if( h->param.cpu&X264_CPU_SSE_MISALIGN )
-        x264_cpu_mask_misalign_sse();
-#endif
     /* set first/last mb and sync contexts */
     for( int i = 0; i < h->param.i_threads; i++ )
     {
@@ -2096,30 +2360,28 @@ static int x264_threaded_slices_write( x264_t *h )
             t->param = h->param;
             memcpy( &t->i_frame, &h->i_frame, offsetof(x264_t, rc) - offsetof(x264_t, i_frame) );
         }
-        int height = h->sps->i_mb_height >> h->param.b_interlaced;
+        int height = h->mb.i_mb_height >> h->param.b_interlaced;
         t->i_threadslice_start = ((height *  i    + h->param.i_slice_count/2) / h->param.i_threads) << h->param.b_interlaced;
         t->i_threadslice_end   = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << h->param.b_interlaced;
-        t->sh.i_first_mb = t->i_threadslice_start * h->sps->i_mb_width;
-        t->sh.i_last_mb  =   t->i_threadslice_end * h->sps->i_mb_width - 1;
+        t->sh.i_first_mb = t->i_threadslice_start * h->mb.i_mb_width;
+        t->sh.i_last_mb  =   t->i_threadslice_end * h->mb.i_mb_width - 1;
     }
 
-    x264_stack_align( x264_analyse_weight_frame, h, h->sps->i_mb_height*16 + 16 );
+    x264_stack_align( x264_analyse_weight_frame, h, h->mb.i_mb_height*16 + 16 );
 
     x264_threads_distribute_ratecontrol( h );
 
     /* dispatch */
     for( int i = 0; i < h->param.i_threads; i++ )
     {
-        if( x264_pthread_create( &h->thread[i]->thread_handle, NULL, (void*)x264_slices_write, (void*)h->thread[i] ) )
-            return -1;
+        x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h->thread[i] );
         h->thread[i]->b_thread_active = 1;
     }
     for( int i = 0; i < h->param.i_threads; i++ )
     {
-        x264_pthread_join( h->thread[i]->thread_handle, &ret );
         h->thread[i]->b_thread_active = 0;
-        if( (intptr_t)ret )
-            return (intptr_t)ret;
+        if( (intptr_t)x264_threadpool_wait( h->threadpool, h->thread[i] ) )
+            return -1;
     }
 
     /* Go back and fix up the hpel on the borders between slices. */
@@ -2158,6 +2420,30 @@ void x264_encoder_intra_refresh( x264_t *h )
     h->b_queued_intra_refresh = 1;
 }
 
+int x264_encoder_invalidate_reference( x264_t *h, int64_t pts )
+{
+    if( h->param.i_bframe )
+    {
+        x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with B-frames enabled\n" );
+        return -1;
+    }
+    if( h->param.b_intra_refresh )
+    {
+        x264_log( h, X264_LOG_ERROR, "x264_encoder_invalidate_reference is not supported with intra refresh enabled\n" );
+        return -1;
+    }
+    h = h->thread[h->i_thread_phase];
+    if( pts >= h->i_last_idr_pts )
+    {
+        for( int i = 0; h->frames.reference[i]; i++ )
+            if( pts <= h->frames.reference[i]->i_pts )
+                h->frames.reference[i]->b_corrupt = 1;
+        if( pts <= h->fdec->i_pts )
+            h->fdec->b_corrupt = 1;
+    }
+    return 0;
+}
+
 /****************************************************************************
  * x264_encoder_encode:
  *  XXX: i_poc   : is the poc of the current given picture
@@ -2195,6 +2481,10 @@ int     x264_encoder_encode( x264_t *h,
         thread_current =
         thread_oldest  = h;
     }
+#if HAVE_MMX
+    if( h->param.cpu&X264_CPU_SSE_MISALIGN )
+        x264_cpu_mask_misalign_sse();
+#endif
 
     // ok to call this before encoding any frames, since the initial values of fdec have b_kept_as_ref=0
     if( x264_reference_update( h ) )
@@ -2216,14 +2506,16 @@ int     x264_encoder_encode( x264_t *h,
         if( x264_frame_copy_picture( h, fenc, pic_in ) < 0 )
             return -1;
 
-        if( h->param.i_width != 16 * h->sps->i_mb_width ||
-            h->param.i_height != 16 * h->sps->i_mb_height )
+        if( h->param.i_width != 16 * h->mb.i_mb_width ||
+            h->param.i_height != 16 * h->mb.i_mb_height )
             x264_frame_expand_border_mod16( h, fenc );
 
         fenc->i_frame = h->frames.i_input++;
 
+        if( fenc->i_frame == 0 )
+            h->frames.i_first_pts = fenc->i_pts;
         if( h->frames.i_bframe_delay && fenc->i_frame == h->frames.i_bframe_delay )
-            h->frames.i_bframe_delay_time = fenc->i_pts;
+            h->frames.i_bframe_delay_time = fenc->i_pts - h->frames.i_first_pts;
 
         if( h->param.b_vfr_input && fenc->i_pts <= h->frames.i_largest_pts )
             x264_log( h, X264_LOG_WARNING, "non-strictly-monotonic PTS\n" );
@@ -2246,20 +2538,19 @@ int     x264_encoder_encode( x264_t *h,
                 fenc->i_pic_struct = PIC_STRUCT_PROGRESSIVE;
         }
 
-        if( h->frames.b_have_lowres )
-        {
-            if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_FAKE || h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
-                x264_weight_plane_analyse( h, fenc );
-            x264_frame_init_lowres( h, fenc );
-        }
-
         if( h->param.rc.b_mb_tree && h->param.rc.b_stat_read )
         {
-            if( x264_macroblock_tree_read( h, fenc ) )
+            if( x264_macroblock_tree_read( h, fenc, pic_in->prop.quant_offsets ) )
                 return -1;
         }
-        else if( h->param.rc.i_aq_mode )
-            x264_adaptive_quant_frame( h, fenc );
+        else
+            x264_stack_align( x264_adaptive_quant_frame, h, fenc, pic_in->prop.quant_offsets );
+
+        if( pic_in->prop.quant_offsets_free )
+            pic_in->prop.quant_offsets_free( pic_in->prop.quant_offsets );
+
+        if( h->frames.b_have_lowres )
+            x264_frame_init_lowres( h, fenc );
 
         /* 2: Place the frame into the queue for its slice type decision */
         x264_lookahead_put_frame( h, fenc );
@@ -2300,16 +2591,35 @@ int     x264_encoder_encode( x264_t *h,
             h->fenc->param->param_free( h->fenc->param );
     }
 
+    if( !IS_X264_TYPE_I( h->fenc->i_type ) )
+    {
+        int valid_refs_left = 0;
+        for( int i = 0; h->frames.reference[i]; i++ )
+            if( !h->frames.reference[i]->b_corrupt )
+                valid_refs_left++;
+        /* No valid reference frames left: force an IDR. */
+        if( !valid_refs_left )
+        {
+            h->fenc->b_keyframe = 1;
+            h->fenc->i_type = X264_TYPE_IDR;
+        }
+    }
+
     if( h->fenc->b_keyframe )
     {
         h->frames.i_last_keyframe = h->fenc->i_frame;
         if( h->fenc->i_type == X264_TYPE_IDR )
+        {
             h->i_frame_num = 0;
+            h->frames.i_last_idr = h->fenc->i_frame;
+        }
     }
     h->sh.i_mmco_command_count =
     h->sh.i_mmco_remove_from_end = 0;
     h->b_ref_reorder[0] =
     h->b_ref_reorder[1] = 0;
+    h->fdec->i_poc =
+    h->fenc->i_poc = 2 * ( h->fenc->i_frame - X264_MAX( h->frames.i_last_idr, 0 ) );
 
     /* ------------------- Setup frame context ----------------------------- */
     /* 5: Init data dependent of frame type */
@@ -2320,6 +2630,7 @@ int     x264_encoder_encode( x264_t *h,
         i_nal_ref_idc = NAL_PRIORITY_HIGHEST;
         h->sh.i_type = SLICE_TYPE_I;
         x264_reference_reset( h );
+        h->frames.i_poc_last_open_gop = -1;
     }
     else if( h->fenc->i_type == X264_TYPE_I )
     {
@@ -2327,6 +2638,8 @@ int     x264_encoder_encode( x264_t *h,
         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
         h->sh.i_type = SLICE_TYPE_I;
         x264_reference_hierarchy_reset( h );
+        if( h->param.b_open_gop )
+            h->frames.i_poc_last_open_gop = h->fenc->b_keyframe ? h->fenc->i_poc : -1;
     }
     else if( h->fenc->i_type == X264_TYPE_P )
     {
@@ -2334,6 +2647,7 @@ int     x264_encoder_encode( x264_t *h,
         i_nal_ref_idc = NAL_PRIORITY_HIGH; /* Not completely true but for now it is (as all I/P are kept as ref)*/
         h->sh.i_type = SLICE_TYPE_P;
         x264_reference_hierarchy_reset( h );
+        h->frames.i_poc_last_open_gop = -1;
     }
     else if( h->fenc->i_type == X264_TYPE_BREF )
     {
@@ -2349,14 +2663,24 @@ int     x264_encoder_encode( x264_t *h,
         h->sh.i_type = SLICE_TYPE_B;
     }
 
-    h->fdec->i_poc =
-    h->fenc->i_poc = 2 * (h->fenc->i_frame - h->frames.i_last_keyframe);
     h->fdec->i_type = h->fenc->i_type;
     h->fdec->i_frame = h->fenc->i_frame;
     h->fenc->b_kept_as_ref =
     h->fdec->b_kept_as_ref = i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE && h->param.i_keyint_max > 1;
 
-
+    h->fdec->i_pts = h->fenc->i_pts;
+    if( h->frames.i_bframe_delay )
+    {
+        int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
+        h->fdec->i_dts = h->i_frame > h->frames.i_bframe_delay
+                       ? prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ]
+                       : h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
+        prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts;
+    }
+    else
+        h->fdec->i_dts = h->fenc->i_reordered_pts;
+    if( h->fenc->i_type == X264_TYPE_IDR )
+        h->i_last_idr_pts = h->fdec->i_pts;
 
     /* ------------------- Init                ----------------------------- */
     /* build ref list 0/1 */
@@ -2410,16 +2734,16 @@ int     x264_encoder_encode( x264_t *h,
             h->b_queued_intra_refresh = 0;
             /* PIR is currently only supported with ref == 1, so any intra frame effectively refreshes
              * the whole frame and counts as an intra refresh. */
-            h->fdec->f_pir_position = h->sps->i_mb_width;
+            h->fdec->f_pir_position = h->mb.i_mb_width;
         }
         else if( h->fenc->i_type == X264_TYPE_P )
         {
-            int pocdiff = (h->fdec->i_poc - h->fref0[0]->i_poc)/2;
-            float increment = X264_MAX( ((float)h->sps->i_mb_width-1) / h->param.i_keyint_max, 1 );
-            h->fdec->f_pir_position = h->fref0[0]->f_pir_position;
-            h->fdec->i_frames_since_pir = h->fref0[0]->i_frames_since_pir + pocdiff;
+            int pocdiff = (h->fdec->i_poc - h->fref[0][0]->i_poc)/2;
+            float increment = X264_MAX( ((float)h->mb.i_mb_width-1) / h->param.i_keyint_max, 1 );
+            h->fdec->f_pir_position = h->fref[0][0]->f_pir_position;
+            h->fdec->i_frames_since_pir = h->fref[0][0]->i_frames_since_pir + pocdiff;
             if( h->fdec->i_frames_since_pir >= h->param.i_keyint_max ||
-                (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->sps->i_mb_width) )
+                (h->b_queued_intra_refresh && h->fdec->f_pir_position + 0.5 >= h->mb.i_mb_width) )
             {
                 h->fdec->f_pir_position = 0;
                 h->fdec->i_frames_since_pir = 0;
@@ -2429,6 +2753,9 @@ int     x264_encoder_encode( x264_t *h,
             h->fdec->i_pir_start_col = h->fdec->f_pir_position+0.5;
             h->fdec->f_pir_position += increment * pocdiff;
             h->fdec->i_pir_end_col = h->fdec->f_pir_position+0.5;
+            /* If our intra refresh has reached the right side of the frame, we're done. */
+            if( h->fdec->i_pir_end_col >= h->mb.i_mb_width - 1 )
+                h->fdec->f_pir_position = h->mb.i_mb_width;
         }
     }
 
@@ -2453,7 +2780,26 @@ int     x264_encoder_encode( x264_t *h,
         }
 
         /* buffering period sei is written in x264_encoder_frame_end */
+    }
+
+    /* write extra sei */
+    for( int i = 0; i < h->fenc->extra_sei.num_payloads; i++ )
+    {
+        x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
+        x264_sei_write( &h->out.bs, h->fenc->extra_sei.payloads[i].payload, h->fenc->extra_sei.payloads[i].payload_size,
+                        h->fenc->extra_sei.payloads[i].payload_type );
+        if( x264_nal_end( h ) )
+            return -1;
+        overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
+        if( h->fenc->extra_sei.sei_free && h->fenc->extra_sei.payloads[i].payload )
+            h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads[i].payload );
+    }
+
+    if( h->fenc->extra_sei.sei_free && h->fenc->extra_sei.payloads )
+        h->fenc->extra_sei.sei_free( h->fenc->extra_sei.payloads );
 
+    if( h->fenc->b_keyframe )
+    {
         if( h->param.b_repeat_headers && h->fenc->i_frame == 0 )
         {
             /* identify ourself */
@@ -2467,10 +2813,20 @@ int     x264_encoder_encode( x264_t *h,
 
         if( h->fenc->i_type != X264_TYPE_IDR )
         {
-            int time_to_recovery = X264_MIN( h->sps->i_mb_width - 1, h->param.i_keyint_max ) + h->param.i_bframe;
+            int time_to_recovery = h->param.b_open_gop ? 0 : X264_MIN( h->mb.i_mb_width - 1, h->param.i_keyint_max ) + h->param.i_bframe - 1;
             x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
             x264_sei_recovery_point_write( h, &h->out.bs, time_to_recovery );
-            x264_nal_end( h );
+            if( x264_nal_end( h ) )
+                return -1;
+            overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
+        }
+
+        if ( h->param.i_frame_packing >= 0 )
+        {
+            x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
+            x264_sei_frame_packing_write( h, &h->out.bs );
+            if( x264_nal_end( h ) )
+                return -1;
             overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
         }
     }
@@ -2485,6 +2841,20 @@ int     x264_encoder_encode( x264_t *h,
         overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
     }
 
+    /* As required by Blu-ray. */
+    if( !IS_X264_TYPE_B( h->fenc->i_type ) && h->b_sh_backup )
+    {
+        h->b_sh_backup = 0;
+        x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
+        x264_sei_dec_ref_pic_marking_write( h, &h->out.bs );
+        if( x264_nal_end( h ) )
+            return -1;
+        overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD - (h->param.b_annexb && h->out.i_nal-1);
+    }
+
+    if( h->fenc->b_keyframe && h->param.b_intra_refresh )
+        h->i_cpb_delay_pir_offset = h->fenc->i_cpb_delay;
+
     /* Init the rate control */
     /* FIXME: Include slice header bit cost. */
     x264_ratecontrol_start( h, h->fenc->i_qpplus1, overhead*8 );
@@ -2499,28 +2869,27 @@ int     x264_encoder_encode( x264_t *h,
         x264_reference_check_reorder( h );
     }
 
-    if( h->i_ref0 )
-        h->fdec->i_poc_l0ref0 = h->fref0[0]->i_poc;
+    if( h->i_ref[0] )
+        h->fdec->i_poc_l0ref0 = h->fref[0][0]->i_poc;
+
+    /* ------------------------ Create slice header  ----------------------- */
+    x264_slice_init( h, i_nal_type, i_global_qp );
 
+    /*------------------------- Weights -------------------------------------*/
     if( h->sh.i_type == SLICE_TYPE_B )
         x264_macroblock_bipred_init( h );
 
-    /*------------------------- Weights -------------------------------------*/
     x264_weighted_pred_init( h );
 
-    /* ------------------------ Create slice header  ----------------------- */
-    x264_slice_init( h, i_nal_type, i_global_qp );
-
     if( i_nal_ref_idc != NAL_PRIORITY_DISPOSABLE )
         h->i_frame_num++;
 
     /* Write frame */
     h->i_threadslice_start = 0;
-    h->i_threadslice_end = h->sps->i_mb_height;
+    h->i_threadslice_end = h->mb.i_mb_height;
     if( h->i_thread_frames > 1 )
     {
-        if( x264_pthread_create( &h->thread_handle, NULL, (void*)x264_slices_write, h ) )
-            return -1;
+        x264_threadpool_run( h->threadpool, (void*)x264_slices_write, h );
         h->b_thread_active = 1;
     }
     else if( h->param.b_sliced_threads )
@@ -2543,11 +2912,9 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
 
     if( h->b_thread_active )
     {
-        void *ret = NULL;
-        x264_pthread_join( h->thread_handle, &ret );
         h->b_thread_active = 0;
-        if( (intptr_t)ret )
-            return (intptr_t)ret;
+        if( (intptr_t)x264_threadpool_wait( h->threadpool, h ) )
+            return -1;
     }
     if( !h->out.i_nal )
     {
@@ -2559,8 +2926,7 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
     /* generate sei buffering period and insert it into place */
     if( h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
     {
-        h->initial_cpb_removal_delay = x264_hrd_fullness( h );
-
+        x264_hrd_fullness( h );
         x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
         x264_sei_buffering_period_write( h, &h->out.bs );
         if( x264_nal_end( h ) )
@@ -2577,42 +2943,30 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
     }
 
     int frame_size = x264_encoder_encapsulate_nals( h, 0 );
+    if( frame_size < 0 )
+        return -1;
 
     /* Set output picture properties */
     pic_out->i_type = h->fenc->i_type;
 
     pic_out->b_keyframe = h->fenc->b_keyframe;
+    pic_out->i_pic_struct = h->fenc->i_pic_struct;
+
+    pic_out->i_pts = h->fdec->i_pts;
+    pic_out->i_dts = h->fdec->i_dts;
 
-    pic_out->i_pts = h->fenc->i_pts *= h->i_dts_compress_multiplier;
-    if( h->frames.i_bframe_delay )
-    {
-        int64_t *prev_reordered_pts = thread_current->frames.i_prev_reordered_pts;
-        if( h->i_frame <= h->frames.i_bframe_delay )
-        {
-            if( h->i_dts_compress_multiplier == 1 )
-                pic_out->i_dts = h->fenc->i_reordered_pts - h->frames.i_bframe_delay_time;
-            else
-            {
-                /* DTS compression */
-                if( h->i_frame == 1 )
-                    thread_current->frames.i_init_delta = h->fenc->i_reordered_pts * h->i_dts_compress_multiplier;
-                pic_out->i_dts = h->i_frame * thread_current->frames.i_init_delta / h->i_dts_compress_multiplier;
-            }
-        }
-        else
-            pic_out->i_dts = prev_reordered_pts[ (h->i_frame - h->frames.i_bframe_delay) % h->frames.i_bframe_delay ];
-        prev_reordered_pts[ h->i_frame % h->frames.i_bframe_delay ] = h->fenc->i_reordered_pts * h->i_dts_compress_multiplier;
-    }
-    else
-        pic_out->i_dts = h->fenc->i_reordered_pts;
     if( pic_out->i_pts < pic_out->i_dts )
         x264_log( h, X264_LOG_WARNING, "invalid DTS: PTS is less than DTS\n" );
 
+    pic_out->img.i_csp = X264_CSP_NV12;
+#if HIGH_BIT_DEPTH
+    pic_out->img.i_csp |= X264_CSP_HIGH_DEPTH;
+#endif
     pic_out->img.i_plane = h->fdec->i_plane;
-    for( int i = 0; i < 3; i++ )
+    for( int i = 0; i < 2; i++ )
     {
-        pic_out->img.i_stride[i] = h->fdec->i_stride[i];
-        pic_out->img.plane[i] = h->fdec->plane[i];
+        pic_out->img.i_stride[i] = h->fdec->i_stride[i] * sizeof(pixel);
+        pic_out->img.plane[i] = (uint8_t*)h->fdec->plane[i];
     }
 
     x264_frame_push_unused( thread_current, h->fenc );
@@ -2644,6 +2998,8 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
         if( x264_nal_end( h ) )
             return -1;
         int total_size = x264_encoder_encapsulate_nals( h, h->out.i_nal-1 );
+        if( total_size < 0 )
+            return -1;
         frame_size += total_size;
         filler -= total_size;
     }
@@ -2677,19 +3033,12 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
             h->stat.i_mb_pred_mode[i][j] += h->stat.frame.i_mb_pred_mode[i][j];
     if( h->sh.i_type != SLICE_TYPE_I )
         for( int i_list = 0; i_list < 2; i_list++ )
-            for( int i = 0; i < 32; i++ )
+            for( int i = 0; i < X264_REF_MAX*2; i++ )
                 h->stat.i_mb_count_ref[h->sh.i_type][i_list][i] += h->stat.frame.i_mb_count_ref[i_list][i];
-    if( h->sh.i_type == SLICE_TYPE_P )
+    if( h->sh.i_type == SLICE_TYPE_P && h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE )
     {
-        h->stat.i_consecutive_bframes[h->fdec->i_frame - h->fref0[0]->i_frame - 1]++;
-        if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART )
-            for( int i = 0; i < 3; i++ )
-                for( int j = 0; j < h->i_ref0; j++ )
-                    if( h->sh.weight[0][i].i_denom != 0 )
-                    {
-                        h->stat.i_wpred[i]++;
-                        break;
-                    }
+        h->stat.i_wpred[0] += !!h->sh.weight[0][0].weightfn;
+        h->stat.i_wpred[1] += !!h->sh.weight[0][1].weightfn || !!h->sh.weight[0][2].weightfn;
     }
     if( h->sh.i_type == SLICE_TYPE_B )
     {
@@ -2704,21 +3053,26 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
                 h->stat.i_direct_score[i] += h->stat.frame.i_direct_score[i];
         }
     }
+    else
+        h->stat.i_consecutive_bframes[h->fenc->i_bframes]++;
 
     psz_message[0] = '\0';
+    double dur = h->fenc->f_duration;
+    h->stat.f_frame_duration[h->sh.i_type] += dur;
     if( h->param.analyse.b_psnr )
     {
-        int64_t ssd[3] = {
+        int64_t ssd[3] =
+        {
             h->stat.frame.i_ssd[0],
             h->stat.frame.i_ssd[1],
             h->stat.frame.i_ssd[2],
         };
 
-        h->stat.i_ssd_global[h->sh.i_type] += ssd[0] + ssd[1] + ssd[2];
-        h->stat.f_psnr_average[h->sh.i_type] += x264_psnr( ssd[0] + ssd[1] + ssd[2], 3 * h->param.i_width * h->param.i_height / 2 );
-        h->stat.f_psnr_mean_y[h->sh.i_type] += x264_psnr( ssd[0], h->param.i_width * h->param.i_height );
-        h->stat.f_psnr_mean_u[h->sh.i_type] += x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4 );
-        h->stat.f_psnr_mean_v[h->sh.i_type] += x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4 );
+        h->stat.f_ssd_global[h->sh.i_type]   += dur * (ssd[0] + ssd[1] + ssd[2]);
+        h->stat.f_psnr_average[h->sh.i_type] += dur * x264_psnr( ssd[0] + ssd[1] + ssd[2], 3 * h->param.i_width * h->param.i_height / 2 );
+        h->stat.f_psnr_mean_y[h->sh.i_type]  += dur * x264_psnr( ssd[0], h->param.i_width * h->param.i_height );
+        h->stat.f_psnr_mean_u[h->sh.i_type]  += dur * x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4 );
+        h->stat.f_psnr_mean_v[h->sh.i_type]  += dur * x264_psnr( ssd[2], h->param.i_width * h->param.i_height / 4 );
 
         snprintf( psz_message, 80, " PSNR Y:%5.2f U:%5.2f V:%5.2f",
                   x264_psnr( ssd[0], h->param.i_width * h->param.i_height ),
@@ -2730,7 +3084,7 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
     {
         double ssim_y = h->stat.frame.f_ssim
                       / (((h->param.i_width-6)>>2) * ((h->param.i_height-6)>>2));
-        h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y;
+        h->stat.f_ssim_mean_y[h->sh.i_type] += ssim_y * dur;
         snprintf( psz_message + strlen(psz_message), 80 - strlen(psz_message),
                   " SSIM Y:%.5f", ssim_y );
     }
@@ -2758,14 +3112,14 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
 {
     static const char mb_chars[] = { 'i', 'i', 'I', 'C', 'P', '8', 'S',
         'D', '<', 'X', 'B', 'X', '>', 'B', 'B', 'B', 'B', '8', 'S' };
-    for( int mb_xy = 0; mb_xy < h->sps->i_mb_width * h->sps->i_mb_height; mb_xy++ )
+    for( int mb_xy = 0; mb_xy < h->mb.i_mb_width * h->mb.i_mb_height; mb_xy++ )
     {
         if( h->mb.type[mb_xy] < X264_MBTYPE_MAX && h->mb.type[mb_xy] >= 0 )
             fprintf( stderr, "%c ", mb_chars[ h->mb.type[mb_xy] ] );
         else
             fprintf( stderr, "? " );
 
-        if( (mb_xy+1) % h->sps->i_mb_width == 0 )
+        if( (mb_xy+1) % h->mb.i_mb_width == 0 )
             fprintf( stderr, "\n" );
     }
 }
@@ -2773,15 +3127,16 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
 
     /* Remove duplicates, must be done near the end as breaks h->fref0 array
      * by freeing some of its pointers. */
-     for( int i = 0; i < h->i_ref0; i++ )
-         if( h->fref0[i] && h->fref0[i]->b_duplicate )
-         {
-             x264_frame_push_blank_unused( h, h->fref0[i] );
-             h->fref0[i] = 0;
-         }
+    for( int i = 0; i < h->i_ref[0]; i++ )
+        if( h->fref[0][i] && h->fref[0][i]->b_duplicate )
+        {
+            x264_frame_push_blank_unused( h, h->fref[0][i] );
+            h->fref[0][i] = 0;
+        }
 
     if( h->param.psz_dump_yuv )
         x264_frame_dump( h );
+    x264_emms();
 
     return frame_size;
 }
@@ -2812,66 +3167,61 @@ void    x264_encoder_close  ( x264_t *h )
     x264_lookahead_delete( h );
 
     if( h->param.i_threads > 1 )
+        x264_threadpool_delete( h->threadpool );
+    if( h->i_thread_frames > 1 )
     {
-        // don't strictly have to wait for the other threads, but it's simpler than canceling them
-        for( int i = 0; i < h->param.i_threads; i++ )
+        for( int i = 0; i < h->i_thread_frames; i++ )
             if( h->thread[i]->b_thread_active )
-                x264_pthread_join( h->thread[i]->thread_handle, NULL );
-        if( h->i_thread_frames > 1 )
-        {
-            for( int i = 0; i < h->i_thread_frames; i++ )
-                if( h->thread[i]->b_thread_active )
-                {
-                    assert( h->thread[i]->fenc->i_reference_count == 1 );
-                    x264_frame_delete( h->thread[i]->fenc );
-                }
+            {
+                assert( h->thread[i]->fenc->i_reference_count == 1 );
+                x264_frame_delete( h->thread[i]->fenc );
+            }
 
-            x264_t *thread_prev = h->thread[h->i_thread_phase];
-            x264_thread_sync_ratecontrol( h, thread_prev, h );
-            x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
-            h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
-        }
+        x264_t *thread_prev = h->thread[h->i_thread_phase];
+        x264_thread_sync_ratecontrol( h, thread_prev, h );
+        x264_thread_sync_ratecontrol( thread_prev, thread_prev, h );
+        h->i_frame = thread_prev->i_frame + 1 - h->i_thread_frames;
     }
     h->i_frame++;
 
     /* Slices used and PSNR */
-    for( int i = 0; i < 5; i++ )
+    for( int i = 0; i < 3; i++ )
     {
-        static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_SI, SLICE_TYPE_P, SLICE_TYPE_SP, SLICE_TYPE_B };
-        static const char * const slice_name[] = { "P", "B", "I", "SP", "SI" };
+        static const uint8_t slice_order[] = { SLICE_TYPE_I, SLICE_TYPE_P, SLICE_TYPE_B };
         int i_slice = slice_order[i];
 
         if( h->stat.i_frame_count[i_slice] > 0 )
         {
-            const int i_count = h->stat.i_frame_count[i_slice];
+            int i_count = h->stat.i_frame_count[i_slice];
+            double dur =  h->stat.f_frame_duration[i_slice];
             if( h->param.analyse.b_psnr )
             {
                 x264_log( h, X264_LOG_INFO,
-                          "frame %s:%-5d Avg QP:%5.2f  size:%6.0f  PSNR Mean Y:%5.2f U:%5.2f V:%5.2f Avg:%5.2f Global:%5.2f\n",
-                          slice_name[i_slice],
+                          "frame %c:%-5d Avg QP:%5.2f  size:%6.0f  PSNR Mean Y:%5.2f U:%5.2f V:%5.2f Avg:%5.2f Global:%5.2f\n",
+                          slice_type_to_char[i_slice],
                           i_count,
                           h->stat.f_frame_qp[i_slice] / i_count,
                           (double)h->stat.i_frame_size[i_slice] / i_count,
-                          h->stat.f_psnr_mean_y[i_slice] / i_count, h->stat.f_psnr_mean_u[i_slice] / i_count, h->stat.f_psnr_mean_v[i_slice] / i_count,
-                          h->stat.f_psnr_average[i_slice] / i_count,
-                          x264_psnr( h->stat.i_ssd_global[i_slice], i_count * i_yuv_size ) );
+                          h->stat.f_psnr_mean_y[i_slice] / dur, h->stat.f_psnr_mean_u[i_slice] / dur, h->stat.f_psnr_mean_v[i_slice] / dur,
+                          h->stat.f_psnr_average[i_slice] / dur,
+                          x264_psnr( h->stat.f_ssd_global[i_slice], dur * i_yuv_size ) );
             }
             else
             {
                 x264_log( h, X264_LOG_INFO,
-                          "frame %s:%-5d Avg QP:%5.2f  size:%6.0f\n",
-                          slice_name[i_slice],
+                          "frame %c:%-5d Avg QP:%5.2f  size:%6.0f\n",
+                          slice_type_to_char[i_slice],
                           i_count,
                           h->stat.f_frame_qp[i_slice] / i_count,
                           (double)h->stat.i_frame_size[i_slice] / i_count );
             }
         }
     }
-    if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_P] )
+    if( h->param.i_bframe && h->stat.i_frame_count[SLICE_TYPE_B] )
     {
         char *p = buf;
         int den = 0;
-        // weight by number of frames (including the P-frame) that are in a sequence of N B-frames
+        // weight by number of frames (including the I/P-frames) that are in a sequence of N B-frames
         for( int i = 0; i <= h->param.i_bframe; i++ )
             den += (i+1) * h->stat.i_consecutive_bframes[i];
         for( int i = 0; i <= h->param.i_bframe; i++ )
@@ -2957,17 +3307,11 @@ void    x264_encoder_close  ( x264_t *h )
         const int i_count = h->stat.i_frame_count[SLICE_TYPE_I] +
                             h->stat.i_frame_count[SLICE_TYPE_P] +
                             h->stat.i_frame_count[SLICE_TYPE_B];
-        int64_t i_mb_count = i_count * h->mb.i_mb_count;
-        float fps = (float) h->param.i_fps_num / h->param.i_fps_den;
-        float f_bitrate;
-        /* duration algorithm fails with one frame */
-        if( !h->param.b_vfr_input || i_count == 1 )
-            f_bitrate = fps * SUM3(h->stat.i_frame_size) / i_count / 125;
-        else
-        {
-            float duration = (float)(2 * h->frames.i_largest_pts - h->frames.i_second_largest_pts) * h->param.i_timebase_num / h->param.i_timebase_den;
-            f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
-        }
+        const double duration = h->stat.f_frame_duration[SLICE_TYPE_I] +
+                                h->stat.f_frame_duration[SLICE_TYPE_P] +
+                                h->stat.f_frame_duration[SLICE_TYPE_B];
+        int64_t i_mb_count = (int64_t)i_count * h->mb.i_mb_count;
+        float f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
 
         if( h->pps->b_transform_8x8_mode )
         {
@@ -3041,9 +3385,10 @@ void    x264_encoder_close  ( x264_t *h )
                       fixed_pred_modes[3][2] * 100.0 / sum_pred_modes[3],
                       fixed_pred_modes[3][3] * 100.0 / sum_pred_modes[3] );
 
-        if( h->param.analyse.i_weighted_pred == X264_WEIGHTP_SMART && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
-            x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%%\n",
-                      h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
+        if( h->param.analyse.i_weighted_pred >= X264_WEIGHTP_SIMPLE && h->stat.i_frame_count[SLICE_TYPE_P] > 0 )
+            x264_log( h, X264_LOG_INFO, "Weighted P-Frames: Y:%.1f%% UV:%.1f%%\n",
+                      h->stat.i_wpred[0] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P],
+                      h->stat.i_wpred[1] * 100.0 / h->stat.i_frame_count[SLICE_TYPE_P] );
 
         for( int i_list = 0; i_list < 2; i_list++ )
             for( int i_slice = 0; i_slice < 2; i_slice++ )
@@ -3051,7 +3396,7 @@ void    x264_encoder_close  ( x264_t *h )
                 char *p = buf;
                 int64_t i_den = 0;
                 int i_max = 0;
-                for( int i = 0; i < 32; i++ )
+                for( int i = 0; i < X264_REF_MAX*2; i++ )
                     if( h->stat.i_mb_count_ref[i_slice][i_list][i] )
                     {
                         i_den += h->stat.i_mb_count_ref[i_slice][i_list][i];
@@ -3066,19 +3411,18 @@ void    x264_encoder_close  ( x264_t *h )
 
         if( h->param.analyse.b_ssim )
         {
-            x264_log( h, X264_LOG_INFO,
-                      "SSIM Mean Y:%.7f\n",
-                      SUM3( h->stat.f_ssim_mean_y ) / i_count );
+            float ssim = SUM3( h->stat.f_ssim_mean_y ) / duration;
+            x264_log( h, X264_LOG_INFO, "SSIM Mean Y:%.7f (%6.3fdb)\n", ssim, x264_ssim( ssim ) );
         }
         if( h->param.analyse.b_psnr )
         {
             x264_log( h, X264_LOG_INFO,
                       "PSNR Mean Y:%6.3f U:%6.3f V:%6.3f Avg:%6.3f Global:%6.3f kb/s:%.2f\n",
-                      SUM3( h->stat.f_psnr_mean_y ) / i_count,
-                      SUM3( h->stat.f_psnr_mean_u ) / i_count,
-                      SUM3( h->stat.f_psnr_mean_v ) / i_count,
-                      SUM3( h->stat.f_psnr_average ) / i_count,
-                      x264_psnr( SUM3( h->stat.i_ssd_global ), i_count * i_yuv_size ),
+                      SUM3( h->stat.f_psnr_mean_y ) / duration,
+                      SUM3( h->stat.f_psnr_mean_u ) / duration,
+                      SUM3( h->stat.f_psnr_mean_v ) / duration,
+                      SUM3( h->stat.f_psnr_average ) / duration,
+                      x264_psnr( SUM3( h->stat.f_ssd_global ), duration * i_yuv_size ),
                       f_bitrate );
         }
         else
@@ -3109,6 +3453,12 @@ void    x264_encoder_close  ( x264_t *h )
 
     h = h->thread[0];
 
+    for( int i = 0; i < h->i_thread_frames; i++ )
+        if( h->thread[i]->b_thread_active )
+            for( int j = 0; j < h->thread[i]->i_ref[0]; j++ )
+                if( h->thread[i]->fref[0][j] && h->thread[i]->fref[0][j]->b_duplicate )
+                    x264_frame_delete( h->thread[i]->fref[0][j] );
+
     for( int i = h->param.i_threads - 1; i >= 0; i-- )
     {
         x264_frame_t **frame;
@@ -3123,10 +3473,13 @@ void    x264_encoder_close  ( x264_t *h )
                     x264_frame_delete( *frame );
             }
             frame = &h->thread[i]->fdec;
-            assert( (*frame)->i_reference_count > 0 );
-            (*frame)->i_reference_count--;
-            if( (*frame)->i_reference_count == 0 )
-                x264_frame_delete( *frame );
+            if( *frame )
+            {
+                assert( (*frame)->i_reference_count > 0 );
+                (*frame)->i_reference_count--;
+                if( (*frame)->i_reference_count == 0 )
+                    x264_frame_delete( *frame );
+            }
             x264_macroblock_cache_free( h->thread[i] );
         }
         x264_macroblock_thread_free( h->thread[i], 0 );
@@ -3136,9 +3489,6 @@ void    x264_encoder_close  ( x264_t *h )
     }
 }
 
-/****************************************************************************
- * x264_encoder_delayed_frames:
- ****************************************************************************/
 int x264_encoder_delayed_frames( x264_t *h )
 {
     int delayed_frames = 0;
@@ -3159,3 +3509,8 @@ int x264_encoder_delayed_frames( x264_t *h )
     x264_pthread_mutex_unlock( &h->lookahead->ofbuf.mutex );
     return delayed_frames;
 }
+
+int x264_encoder_maximum_delayed_frames( x264_t *h )
+{
+    return h->frames.i_delay;
+}