]> git.sesse.net Git - x264/blobdiff - encoder/encoder.c
CABAC trellis opts part 2: C optimizations
[x264] / encoder / encoder.c
index d642a1c7839a000409722e1685a149b3a18dd390..378840b1e3a422cca43f74f6a966054ae88d9ad5 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"
@@ -49,18 +50,22 @@ 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 / (PIXEL_MAX*PIXEL_MAX * (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 float x264_ssim( float ssim )
+static double x264_ssim( double ssim )
 {
-    return -10.0 * log10( 1 - ssim );
+    double inv_ssim = 1 - ssim;
+    if( inv_ssim <= 0.0000000001 ) /* Max 100dB */
+        return 100;
+
+    return -10.0 * log10( inv_ssim );
 }
 
 static void x264_frame_dump( x264_t *h )
@@ -68,21 +73,27 @@ static void x264_frame_dump( x264_t *h )
     FILE *f = fopen( h->param.psz_dump_yuv, "r+b" );
     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 * 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*sizeof(pixel) );
-    pixel *planev = planeu + cw*ch;
-    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*2*sizeof(pixel), f );
-    x264_free( planeu );
+    int frame_size = FRAME_SIZE( h->param.i_height * h->param.i_width * sizeof(pixel) );
+    fseek( f, (uint64_t)h->fdec->i_frame * frame_size, SEEK_SET );
+    for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
+        for( int y = 0; y < h->param.i_height; y++ )
+            fwrite( &h->fdec->plane[p][y*h->fdec->i_stride[p]], sizeof(pixel), h->param.i_width, f );
+    if( !CHROMA444 )
+    {
+        int cw = h->param.i_width>>1;
+        int ch = h->param.i_height>>CHROMA_V_SHIFT;
+        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 );
 }
 
-
 /* Fill "default" values */
 static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
                                     x264_sps_t *sps, x264_pps_t *pps,
@@ -100,7 +111,7 @@ static void x264_slice_header_init( x264_t *h, x264_slice_header_t *sh,
 
     sh->i_frame_num = i_frame;
 
-    sh->b_mbaff = h->param.b_interlaced;
+    sh->b_mbaff = PARAM_INTERLACED;
     sh->b_field_pic = 0;    /* no field support for now */
     sh->b_bottom_field = 0; /* not yet used */
 
@@ -120,7 +131,7 @@ 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] );
@@ -139,27 +150,29 @@ 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;
 
@@ -177,8 +190,10 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
 {
     if( sh->b_mbaff )
     {
-        assert( sh->i_first_mb % (2*sh->sps->i_mb_width) == 0 );
-        bs_write_ue( s, sh->i_first_mb >> 1 );
+        int first_x = sh->i_first_mb % sh->sps->i_mb_width;
+        int first_y = sh->i_first_mb / sh->sps->i_mb_width;
+        assert( (first_y&1) == 0 );
+        bs_write_ue( s, (2*first_x + sh->sps->i_mb_width*(first_y&~1) + (first_y&1)) >> 1 );
     }
     else
         bs_write_ue( s, sh->i_first_mb );
@@ -203,12 +218,6 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
         if( sh->pps->b_pic_order && !sh->b_field_pic )
             bs_write_se( s, sh->i_delta_poc_bottom );
     }
-    else if( sh->sps->i_poc_type == 1 && !sh->sps->b_delta_pic_order_always_zero )
-    {
-        bs_write_se( s, sh->i_delta_poc[0] );
-        if( sh->pps->b_pic_order && !sh->b_field_pic )
-            bs_write_se( s, sh->i_delta_poc[1] );
-    }
 
     if( sh->pps->b_redundant_pic_cnt )
         bs_write_ue( s, sh->i_redundant_pic_cnt );
@@ -230,8 +239,8 @@ 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++ )
             {
@@ -243,8 +252,8 @@ 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++ )
             {
@@ -329,8 +338,9 @@ static void x264_slice_header_write( bs_t *s, x264_slice_header_t *sh, int i_nal
 static int x264_bitstream_check_buffer( x264_t *h )
 {
     uint8_t *bs_bak = h->out.p_bitstream;
-    if( (h->param.b_cabac && (h->cabac.p_end - h->cabac.p < 2500)) ||
-        (h->out.bs.p_end - h->out.bs.p < 2500) )
+    int max_mb_size = 2500 << SLICE_MBAFF;
+    if( (h->param.b_cabac && (h->cabac.p_end - h->cabac.p < max_mb_size)) ||
+        (h->out.bs.p_end - h->out.bs.p < max_mb_size) )
     {
         h->out.i_bitstream += 100000;
         CHECKED_MALLOC( h->out.p_bitstream, h->out.i_bitstream );
@@ -355,7 +365,7 @@ fail:
     return -1;
 }
 
-#if HAVE_PTHREAD
+#if HAVE_THREAD
 static void x264_encoder_thread_init( x264_t *h )
 {
     if( h->param.i_sync_lookahead )
@@ -377,15 +387,15 @@ static void x264_encoder_thread_init( x264_t *h )
  *
  ****************************************************************************/
 
-static int x264_validate_parameters( x264_t *h )
+static int x264_validate_parameters( x264_t *h, int b_open )
 {
 #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_MMX2) )
     {
         x264_log( h, X264_LOG_ERROR, "your cpu does not support MMXEXT, but x264 was compiled with asm support\n");
 #endif
@@ -393,6 +403,17 @@ static int x264_validate_parameters( x264_t *h )
         return -1;
     }
 #endif
+
+#if HAVE_INTERLACED
+    h->param.b_interlaced = !!PARAM_INTERLACED;
+#else
+    if( h->param.b_interlaced )
+    {
+        x264_log( h, X264_LOG_ERROR, "not compiled with interlaced support\n" );
+        return -1;
+    }
+#endif
+
     if( h->param.i_width <= 0 || h->param.i_height <= 0 )
     {
         x264_log( h, X264_LOG_ERROR, "invalid width x height (%dx%d)\n",
@@ -400,26 +421,65 @@ static int x264_validate_parameters( x264_t *h )
         return -1;
     }
 
-    if( h->param.i_width % 2 || h->param.i_height % 2 )
+    int i_csp = h->param.i_csp & X264_CSP_MASK;
+#if X264_CHROMA_FORMAT
+    if( CHROMA_FORMAT != CHROMA_420 && i_csp >= X264_CSP_I420 && i_csp <= X264_CSP_NV12 )
     {
-        x264_log( h, X264_LOG_ERROR, "width or height not divisible by 2 (%dx%d)\n",
-                  h->param.i_width, h->param.i_height );
+        x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:0 support\n" );
         return -1;
     }
-    int i_csp = h->param.i_csp & X264_CSP_MASK;
+    else if( CHROMA_FORMAT != CHROMA_422 && i_csp >= X264_CSP_I422 && i_csp <= X264_CSP_NV16 )
+    {
+        x264_log( h, X264_LOG_ERROR, "not compiled with 4:2:2 support\n" );
+        return -1;
+    }
+    else if( CHROMA_FORMAT != CHROMA_444 && i_csp >= X264_CSP_I444 && i_csp <= X264_CSP_RGB )
+    {
+        x264_log( h, X264_LOG_ERROR, "not compiled with 4:4:4 support\n" );
+        return -1;
+    }
+#endif
     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" );
+        x264_log( h, X264_LOG_ERROR, "invalid CSP (only I420/YV12/NV12/I422/YV16/NV16/I444/YV24/BGR/BGRA/RGB supported)\n" );
+        return -1;
+    }
+
+    if( i_csp < X264_CSP_I444 && h->param.i_width % 2 )
+    {
+        x264_log( h, X264_LOG_ERROR, "width not divisible by 2 (%dx%d)\n",
+                  h->param.i_width, h->param.i_height );
+        return -1;
+    }
+
+    if( i_csp < X264_CSP_I422 && PARAM_INTERLACED && h->param.i_height % 4 )
+    {
+        x264_log( h, X264_LOG_ERROR, "height not divisible by 4 (%dx%d)\n",
+                  h->param.i_width, h->param.i_height );
+        return -1;
+    }
+
+    if( (i_csp < X264_CSP_I422 || PARAM_INTERLACED) && h->param.i_height % 2 )
+    {
+        x264_log( h, X264_LOG_ERROR, "height not divisible by 2 (%dx%d)\n",
+                  h->param.i_width, h->param.i_height );
+        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 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;
     }
 
     if( h->param.i_threads == X264_THREADS_AUTO )
         h->param.i_threads = x264_cpu_num_processors() * (h->param.b_sliced_threads?2:3)/2;
-    h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
     if( h->param.i_threads > 1 )
     {
-#if !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
@@ -430,27 +490,24 @@ static int x264_validate_parameters( x264_t *h )
             h->param.i_threads = X264_MIN( h->param.i_threads, max_threads );
         }
     }
-    else
+    h->param.i_threads = x264_clip3( h->param.i_threads, 1, X264_THREAD_MAX );
+    if( h->param.i_threads == 1 )
         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;
@@ -465,7 +522,10 @@ 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;
         }
     }
@@ -475,11 +535,15 @@ 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, QP_MAX );
+    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, 11 );
+    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)
@@ -499,8 +563,8 @@ 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 )
@@ -512,9 +576,15 @@ static int x264_validate_parameters( x264_t *h )
         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, 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 )
@@ -549,52 +619,58 @@ static int x264_validate_parameters( x264_t *h )
         h->param.rc.i_vbv_max_bitrate = 0;
     }
 
-    if( h->param.b_interlaced && h->param.i_slice_max_size )
-    {
-        x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-size is not implemented\n" );
-        h->param.i_slice_max_size = 0;
-    }
-    if( h->param.b_interlaced && h->param.i_slice_max_mbs )
-    {
-        x264_log( h, X264_LOG_WARNING, "interlaced + slice-max-mbs is not implemented\n" );
-        h->param.i_slice_max_mbs = 0;
-    }
-    int max_slices = (h->param.i_height+((16<<h->param.b_interlaced)-1))/(16<<h->param.b_interlaced);
+    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 );
+
+    int max_slices = (h->param.i_height+((16<<PARAM_INTERLACED)-1))/(16<<PARAM_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;
     }
 
+    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 );
-    h->param.i_keyint_max = x264_clip3( h->param.i_keyint_max, 1, X264_KEYINT_MAX_INFINITE );
     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_MIN( X264_BFRAME_MAX, h->param.i_keyint_max-1 ) );
-    h->param.i_open_gop = x264_clip3( h->param.i_open_gop, X264_OPEN_GOP_NONE, X264_OPEN_GOP_BLURAY );
-    if( h->param.i_keyint_max == 1 )
-        h->param.b_intra_refresh = 0;
     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.i_open_gop = X264_OPEN_GOP_NONE;
+        h->param.b_open_gop = 0;
     }
     if( h->param.b_intra_refresh && h->param.i_bframe_pyramid == X264_B_PYRAMID_NORMAL )
     {
@@ -607,10 +683,10 @@ static int x264_validate_parameters( x264_t *h )
         h->param.i_frame_reference = 1;
         h->param.i_dpb_size = 1;
     }
-    if( h->param.b_intra_refresh && h->param.i_open_gop )
+    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.i_open_gop = X264_OPEN_GOP_NONE;
+        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 )
@@ -623,7 +699,7 @@ static int x264_validate_parameters( x264_t *h )
         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;
@@ -640,7 +716,7 @@ static int x264_validate_parameters( x264_t *h )
     }
     if( h->param.rc.b_stat_read )
         h->param.rc.i_lookahead = 0;
-#if 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 );
@@ -663,14 +739,12 @@ 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;
@@ -682,35 +756,62 @@ static int x264_validate_parameters( x264_t *h )
         h->param.analyse.inter &= ~X264_ANALYSE_I8x8;
         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);
     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;
+    h->param.analyse.i_chroma_qp_offset = x264_clip3(h->param.analyse.i_chroma_qp_offset, -32, 32);
+    /* In 4:4:4 mode, chroma gets twice as much resolution, so we can halve its quality. */
+    if( b_open && i_csp >= X264_CSP_I444 && i_csp < X264_CSP_BGR && h->param.analyse.b_psy )
+        h->param.analyse.i_chroma_qp_offset += 6;
     /* 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 )
     {
@@ -718,7 +819,7 @@ static int x264_validate_parameters( x264_t *h )
         h->param.rc.f_aq_strength = 0;
     }
     h->param.analyse.i_noise_reduction = x264_clip3( h->param.analyse.i_noise_reduction, 0, 1<<16 );
-    if( h->param.analyse.i_subpel_refine == 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
+    if( h->param.analyse.i_subpel_refine >= 10 && (h->param.analyse.i_trellis != 2 || !h->param.rc.i_aq_mode) )
         h->param.analyse.i_subpel_refine = 9;
 
     {
@@ -728,7 +829,6 @@ static int x264_validate_parameters( x264_t *h )
             int maxrate_bak = h->param.rc.i_vbv_max_bitrate;
             if( h->param.rc.i_rc_method == X264_RC_ABR && h->param.rc.i_vbv_buffer_size <= 0 )
                 h->param.rc.i_vbv_max_bitrate = h->param.rc.i_bitrate * 2;
-            h->sps = h->sps_array;
             x264_sps_init( h->sps, h->param.i_sps_id, &h->param );
             do h->param.i_level_idc = l->level_idc;
                 while( l[1].level_idc && x264_validate_levels( h, 0 ) && l++ );
@@ -745,13 +845,28 @@ static int x264_validate_parameters( x264_t *h )
             }
         }
         if( h->param.analyse.i_mv_range <= 0 )
-            h->param.analyse.i_mv_range = l->mv_range >> h->param.b_interlaced;
+            h->param.analyse.i_mv_range = l->mv_range >> PARAM_INTERLACED;
         else
-            h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> h->param.b_interlaced);
+            h->param.analyse.i_mv_range = x264_clip3(h->param.analyse.i_mv_range, 32, 512 >> PARAM_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( PARAM_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 )
@@ -777,6 +892,8 @@ 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 )
@@ -784,15 +901,11 @@ 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 )
+    if( PARAM_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" );
@@ -820,8 +933,12 @@ 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 );
@@ -845,15 +962,56 @@ static void mbcmp_init( x264_t *h )
     memcpy( h->pixf.mbcmp, satd ? h->pixf.satd : h->pixf.sad_aligned, sizeof(h->pixf.mbcmp) );
     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_8x16c = satd ? h->pixf.intra_satd_x3_8x16c : h->pixf.intra_sad_x3_8x16c;
+    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;
+    h->pixf.intra_mbcmp_x9_4x4 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
+                               : satd ? h->pixf.intra_satd_x9_4x4 : h->pixf.intra_sad_x9_4x4;
+    h->pixf.intra_mbcmp_x9_8x8 = h->param.b_cpu_independent || h->mb.b_lossless ? NULL
+                               : satd ? h->pixf.intra_sa8d_x9_8x8 : h->pixf.intra_sad_x9_8x8;
     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) );
     memcpy( h->pixf.fpelcmp_x3, satd ? h->pixf.satd_x3 : h->pixf.sad_x3, sizeof(h->pixf.fpelcmp_x3) );
     memcpy( h->pixf.fpelcmp_x4, satd ? h->pixf.satd_x4 : h->pixf.sad_x4, sizeof(h->pixf.fpelcmp_x4) );
 }
 
+static void chroma_dsp_init( x264_t *h )
+{
+    memcpy( h->luma2chroma_pixel, x264_luma2chroma_pixel[CHROMA_FORMAT], sizeof(h->luma2chroma_pixel) );
+
+    switch( CHROMA_FORMAT )
+    {
+        case CHROMA_420:
+            memcpy( h->predict_chroma, h->predict_8x8c, sizeof(h->predict_chroma) );
+            h->mc.prefetch_fenc = h->mc.prefetch_fenc_420;
+            h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_420;
+            h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_420_intra;
+            h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_420_mbaff;
+            h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_420_intra_mbaff;
+            h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x8c;
+            h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last4;
+            h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run4;
+            break;
+        case CHROMA_422:
+            memcpy( h->predict_chroma, h->predict_8x16c, sizeof(h->predict_chroma) );
+            h->mc.prefetch_fenc = h->mc.prefetch_fenc_422;
+            h->loopf.deblock_chroma[0] = h->loopf.deblock_h_chroma_422;
+            h->loopf.deblock_chroma_intra[0] = h->loopf.deblock_h_chroma_422_intra;
+            h->loopf.deblock_chroma_mbaff = h->loopf.deblock_chroma_422_mbaff;
+            h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_chroma_422_intra_mbaff;
+            h->pixf.intra_mbcmp_x3_chroma = h->pixf.intra_mbcmp_x3_8x16c;
+            h->quantf.coeff_last[DCT_CHROMA_DC] = h->quantf.coeff_last8;
+            h->quantf.coeff_level_run[DCT_CHROMA_DC] = h->quantf.coeff_level_run8;
+            break;
+        case CHROMA_444:
+            h->mc.prefetch_fenc = h->mc.prefetch_fenc_422; /* FIXME: doesn't cover V plane */
+            h->loopf.deblock_chroma_mbaff = h->loopf.deblock_luma_mbaff;
+            h->loopf.deblock_chroma_intra_mbaff = h->loopf.deblock_luma_intra_mbaff;
+            break;
+    }
+}
+
 static void x264_set_aspect_ratio( x264_t *h, x264_param_t *param, int initial )
 {
     /* VUI */
@@ -886,6 +1044,7 @@ 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 );
         }
     }
 }
@@ -907,7 +1066,13 @@ 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 )
@@ -919,8 +1084,6 @@ 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 );
 
@@ -928,35 +1091,18 @@ 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 compression 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 );
-
-    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;
@@ -968,6 +1114,14 @@ x264_t *x264_encoder_open( x264_param_t *param )
     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;
 
+    h->mb.chroma_h_shift = CHROMA_FORMAT == CHROMA_420 || CHROMA_FORMAT == CHROMA_422;
+    h->mb.chroma_v_shift = CHROMA_FORMAT == CHROMA_420;
+
+    /* 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 = PARAM_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 )
         h->frames.i_delay = X264_MAX(h->param.i_bframe,3)*4;
@@ -978,8 +1132,7 @@ 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;
@@ -991,7 +1144,7 @@ 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);
 
@@ -1008,29 +1161,33 @@ x264_t *x264_encoder_open( x264_param_t *param )
                         + 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();
 
     /* init CPU functions */
     x264_predict_16x16_init( h->param.cpu, h->predict_16x16 );
     x264_predict_8x8c_init( h->param.cpu, h->predict_8x8c );
+    x264_predict_8x16c_init( h->param.cpu, h->predict_8x16c );
     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();
     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_zigzag_init( h->param.cpu, &h->zigzagf_progressive, &h->zigzagf_interlaced );
+    memcpy( &h->zigzagf, PARAM_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
     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_deblock_init( h->param.cpu, &h->loopf, PARAM_INTERLACED );
     x264_bitstream_init( h->param.cpu, &h->bsf );
-    x264_dct_init_weights();
+    if( h->param.b_cabac )
+        x264_cabac_init( h );
+    else
+        x264_cavlc_init( h );
 
     mbcmp_init( h );
+    chroma_dsp_init( h );
 
     p = buf + sprintf( buf, "using cpu capabilities:" );
     for( int i = 0; x264_cpu_names[i].flags; i++ )
@@ -1052,15 +1209,19 @@ 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[x264_lambda_tab[X264_LOOKAHEAD_QP]][2013] != cost_mv_correct[BIT_DEPTH-8] )
+    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;
@@ -1083,8 +1244,8 @@ 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 ) )
@@ -1152,14 +1313,16 @@ x264_t *x264_encoder_open( x264_param_t *param )
         fclose( f );
     }
 
-    const char *profile = h->sps->i_profile_idc == PROFILE_BASELINE ? "Baseline" :
+    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 ? "High 10" :
-                          "High 4:4:4 Predictive";
+                          h->sps->i_profile_idc == PROFILE_HIGH10 ? (h->sps->b_constraint_set3 == 1 ? "High 10 Intra" : "High 10") :
+                          h->sps->i_profile_idc == PROFILE_HIGH422 ? (h->sps->b_constraint_set3 == 1 ? "High 4:2:2 Intra" : "High 4:2:2") :
+                          h->sps->b_constraint_set3 == 1 ? "High 4:4:4 Intra" : "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 ) )
+    if( h->sps->i_level_idc == 9 || ( h->sps->i_level_idc == 11 && h->sps->b_constraint_set3 &&
+        (h->sps->i_profile_idc >= PROFILE_BASELINE && h->sps->i_profile_idc <= PROFILE_EXTENDED) ) )
         strcpy( level, "1b" );
 
     if( h->sps->i_profile_idc < PROFILE_HIGH10 )
@@ -1169,8 +1332,9 @@ x264_t *x264_encoder_open( x264_param_t *param )
     }
     else
     {
-        x264_log( h, X264_LOG_INFO, "profile %s, level %s, bit depth %d\n",
-            profile, level, BIT_DEPTH );
+        static const char * const subsampling[4] = { "4:0:0", "4:2:0", "4:2:2", "4:4:4" };
+        x264_log( h, X264_LOG_INFO, "profile %s, level %s, %s %d-bit\n",
+            profile, level, subsampling[CHROMA_FORMAT], BIT_DEPTH );
     }
 
     return h;
@@ -1195,6 +1359,7 @@ 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 );
@@ -1212,6 +1377,7 @@ 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 );
@@ -1224,32 +1390,28 @@ 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
@@ -1302,7 +1464,11 @@ static int x264_nal_check_buffer( x264_t *h )
 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;
+    uint8_t *end = &h->out.p_bitstream[bs_pos( &h->out.bs ) / 8];
+    nal->i_payload = end - nal->p_payload;
+    /* nal_escape_mmx reads past the end of the input.
+     * While undefined padding wouldn't actually affect the output, it makes valgrind unhappy. */
+    memset( end, 0xff, 32 );
     if( h->param.nalu_process )
         h->param.nalu_process( h, nal );
     h->out.i_nal++;
@@ -1328,9 +1494,11 @@ 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 )
@@ -1373,7 +1541,7 @@ int x264_encoder_headers( x264_t *h, x264_nal_t **pp_nal, int *pi_nal )
 
     /* generate picture parameters */
     x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
-    x264_pps_write( &h->out.bs, h->pps );
+    x264_pps_write( &h->out.bs, h->sps, h->pps );
     if( x264_nal_end( h ) )
         return -1;
 
@@ -1385,6 +1553,8 @@ 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;
@@ -1406,40 +1576,56 @@ static inline void x264_reference_check_reorder( x264_t *h )
             h->b_ref_reorder[0] = 1;
             return;
         }
-    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 )
+    for( int list = 0; list <= (h->sh.i_type == SLICE_TYPE_B); list++ )
+        for( int i = 0; i < h->i_ref[list] - 1; i++ )
         {
-            h->b_ref_reorder[0] = 1;
-            return;
+            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 != x264_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 < X264_REF_MAX )
-        ++h->i_ref0;
-    h->fref0[X264_REF_MAX-1] = 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;
 }
@@ -1447,14 +1633,14 @@ 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][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] << SLICE_MBAFF); i_ref++ )
         for( int i = 0; i < 3; i++ )
             h->sh.weight[i_ref][i].weightfn = NULL;
 
@@ -1462,51 +1648,79 @@ static void x264_weighted_pred_init( x264_t *h )
     if( h->sh.i_type != SLICE_TYPE_P || h->param.analyse.i_weighted_pred <= 0 )
         return;
 
-    int i_padv = PADV << h->param.b_interlaced;
+    int i_padv = PADV << PARAM_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][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++ )
         {
-            pixel *src = h->fref0[j]->filtered[0] - h->fref0[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;
+            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 )
@@ -1514,8 +1728,8 @@ 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;
 
@@ -1524,60 +1738,56 @@ static inline void x264_reference_build_list( x264_t *h, int i_poc )
         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;
@@ -1596,7 +1806,7 @@ static inline void x264_reference_build_list( x264_t *h, int i_poc )
                 {
                     SET_WEIGHT( h->fenc->weight[0][0], 1, 1, 0, h->fenc->weight[0][0].i_offset );
                 }
-                x264_weighted_reference_duplicate( h, 0, weight_none );
+                x264_weighted_reference_duplicate( h, 0, x264_weight_none );
                 if( h->fenc->weight[0][0].i_offset > -128 )
                 {
                     w[0] = h->fenc->weight[0][0];
@@ -1606,21 +1816,12 @@ 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 <= X264_REF_MAX );
-    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 )
@@ -1630,24 +1831,37 @@ static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
     int b_deblock = h->sh.i_disable_deblocking_filter_idc != 1;
     int b_end = mb_y == h->i_threadslice_end;
     int b_measure_quality = 1;
-    int min_y = mb_y - (1 << h->sh.b_mbaff);
+    int min_y = mb_y - (1 << SLICE_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 )
     {
         b_deblock = 0;         /* We already deblocked on the inloop pass. */
         b_measure_quality = 0; /* We already measured quality on the inloop pass. */
     }
-    if( mb_y & h->sh.b_mbaff )
+    if( mb_y & SLICE_MBAFF )
         return;
     if( min_y < h->i_threadslice_start )
         return;
 
     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 << SLICE_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( PARAM_INTERLACED )
+        for( int p = 0; p < h->fdec->i_plane; p++ )
+            for( int i = minpix_y>>(CHROMA_V_SHIFT && p); i < maxpix_y>>(CHROMA_V_SHIFT && 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->mb.i_mb_height;
@@ -1659,40 +1873,52 @@ static void x264_fdec_filter_row( x264_t *h, int mb_y, int b_inloop )
         }
     }
 
-    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)) );
+    if( SLICE_MBAFF )
+        for( int i = 0; i < 3; 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] );
+        }
 
-    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( 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 << SLICE_MBAFF)) );
 
     if( b_measure_quality )
     {
+        maxpix_y = X264_MIN( maxpix_y, h->param.i_height );
         if( h->param.analyse.b_psnr )
         {
-            uint64_t ssd_y = x264_pixel_ssd_wxh( &h->pixf,
-                h->fdec->plane[0] + min_y * h->fdec->i_stride[0], h->fdec->i_stride[0],
-                h->fenc->plane[0] + min_y * h->fenc->i_stride[0], h->fenc->i_stride[0],
-                h->param.i_width, max_y-min_y );
-            uint64_t ssd_uv = x264_pixel_ssd_nv12( &h->pixf,
-                h->fdec->plane[1] + (min_y>>1) * h->fdec->i_stride[1], h->fdec->i_stride[1],
-                h->fenc->plane[1] + (min_y>>1) * h->fenc->i_stride[1], h->fenc->i_stride[1],
-                h->param.i_width>>1, (max_y-min_y)>>1 );
-            h->stat.frame.i_ssd[0] += ssd_y;
-            h->stat.frame.i_ssd[1] += (uint32_t)ssd_uv;
-            h->stat.frame.i_ssd[2] += ssd_uv>>32;
+            for( int p = 0; p < (CHROMA444 ? 3 : 1); p++ )
+                h->stat.frame.i_ssd[p] += x264_pixel_ssd_wxh( &h->pixf,
+                    h->fdec->plane[p] + minpix_y * h->fdec->i_stride[p], h->fdec->i_stride[p],
+                    h->fenc->plane[p] + minpix_y * h->fenc->i_stride[p], h->fenc->i_stride[p],
+                    h->param.i_width, maxpix_y-minpix_y );
+            if( !CHROMA444 )
+            {
+                uint64_t ssd_u, ssd_v;
+                int v_shift = CHROMA_V_SHIFT;
+                x264_pixel_ssd_nv12( &h->pixf,
+                    h->fdec->plane[1] + (minpix_y>>v_shift) * h->fdec->i_stride[1], h->fdec->i_stride[1],
+                    h->fenc->plane[1] + (minpix_y>>v_shift) * h->fenc->i_stride[1], h->fenc->i_stride[1],
+                    h->param.i_width>>1, (maxpix_y-minpix_y)>>v_shift, &ssd_u, &ssd_v );
+                h->stat.frame.i_ssd[1] += ssd_u;
+                h->stat.frame.i_ssd[2] += ssd_v;
+            }
         }
 
         if( h->param.analyse.b_ssim )
         {
+            int ssim_cnt;
             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, &ssim_cnt );
+            h->stat.frame.i_ssim_cnt += ssim_cnt;
         }
     }
 }
@@ -1786,8 +2012,8 @@ 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, -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) )
         {
@@ -1795,23 +2021,26 @@ 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 )
     {
         h->sh.i_poc = h->fdec->i_poc;
-        if( h->param.b_interlaced )
+        if( PARAM_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;
-    }
-    else if( h->sps->i_poc_type == 1 )
-    {
-        /* FIXME TODO FIXME */
+        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
     {
@@ -1826,18 +2055,22 @@ 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. */
     int mv_bits_bak = 0;
     int tex_bits_bak = 0;
-    /* 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;
+    /* 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 );
 
@@ -1864,58 +2097,86 @@ 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, x264_clip3( h->sh.i_qp-QP_BD_OFFSET, 0, 51 ), h->sh.i_cabac_init_idc );
+        x264_cabac_context_init( h, &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;
+    h->mb.field_decoding_flag = 0;
 
     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->mb.i_mb_width) <= h->sh.i_last_mb )
+    while( 1 )
     {
+        mb_xy = i_mb_x + i_mb_y * h->mb.i_mb_width;
         int mb_spos = bs_pos(&h->out.bs) + x264_cabac_pos(&h->cabac);
 
-        if( x264_bitstream_check_buffer( h ) )
-            return -1;
-
-        if( h->param.i_slice_max_size > 0 )
+        if( !(i_mb_y & SLICE_MBAFF) )
         {
-            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). */
-            if( h->param.b_cabac )
-            {
-                memcpy( &cabac_bak, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
-                /* x264's CABAC writer modifies the previous byte during carry, so it has to be
-                 * backed up. */
-                cabac_prevbyte_bak = h->cabac.p[-1];
-            }
-            else
+            if( x264_bitstream_check_buffer( h ) )
+                return -1;
+
+            if( back_up_bitstream )
             {
-                bs_bak = h->out.bs;
-                i_skip_bak = i_skip;
+                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). */
+                if( h->param.b_cabac )
+                {
+                    memcpy( &cabac_bak, &h->cabac, offsetof(x264_cabac_t, f8_bits_encoded) );
+                    /* x264's CABAC writer modifies the previous byte during carry, so it has to be
+                     * backed up. */
+                    cabac_prevbyte_bak = h->cabac.p[-1];
+                }
+                else
+                {
+                    bs_bak = h->out.bs;
+                    i_skip_bak = i_skip;
+                }
             }
         }
 
         if( i_mb_x == 0 && !h->mb.b_reencode_mb )
             x264_fdec_filter_row( h, i_mb_y, 1 );
 
+        if( PARAM_INTERLACED )
+        {
+            if( h->mb.b_adaptive_mbaff )
+            {
+                if( !(i_mb_y&1) )
+                {
+                    /* FIXME: VSAD is fast but fairly poor at choosing the best interlace type. */
+                    h->mb.b_interlaced = x264_field_vsad( h, i_mb_x, i_mb_y );
+                    memcpy( &h->zigzagf, MB_INTERLACED ? &h->zigzagf_interlaced : &h->zigzagf_progressive, sizeof(h->zigzagf) );
+                    if( !MB_INTERLACED && (i_mb_y+2) == h->mb.i_mb_height )
+                        x264_expand_border_mbpair( h, i_mb_x, i_mb_y );
+                }
+            }
+            h->mb.field[mb_xy] = MB_INTERLACED;
+        }
+
         /* load cache */
-        x264_macroblock_cache_load( h, i_mb_x, i_mb_y );
+        if( SLICE_MBAFF )
+            x264_macroblock_cache_load_interlaced( h, i_mb_x, i_mb_y );
+        else
+            x264_macroblock_cache_load_progressive( 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( h->param.b_cabac )
         {
-            if( mb_xy > h->sh.i_first_mb && !(h->sh.b_mbaff && (i_mb_y&1)) )
+            if( mb_xy > h->sh.i_first_mb && !(SLICE_MBAFF && (i_mb_y&1)) )
                 x264_cabac_encode_terminal( &h->cabac );
 
             if( IS_SKIP( h->mb.i_type ) )
@@ -1939,41 +2200,77 @@ 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 )
             {
-                h->stat.frame.i_mv_bits = mv_bits_bak;
-                h->stat.frame.i_tex_bits = tex_bits_bak;
-                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;
+                    if( SLICE_MBAFF )
+                    {
+                        // set to bottom of previous mbpair
+                        if( i_mb_x )
+                            h->sh.i_last_mb = mb_xy-1+h->mb.i_mb_stride*(!(i_mb_y&1));
+                        else
+                            h->sh.i_last_mb = (i_mb_y-2+!(i_mb_y&1))*h->mb.i_mb_stride + h->mb.i_mb_width - 1;
+                    }
+                    else
+                        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;
 
 #if HAVE_VISUALIZE
         if( h->param.b_visualize )
@@ -1987,9 +2284,10 @@ static int x264_slice_write( x264_t *h )
         h->stat.frame.i_mb_count[h->mb.i_type]++;
 
         int b_intra = IS_INTRA( h->mb.i_type );
+        int b_skip = IS_SKIP( h->mb.i_type );
         if( h->param.i_log_level >= X264_LOG_INFO || h->param.rc.b_stat_write )
         {
-            if( !b_intra && !IS_SKIP( h->mb.i_type ) && !IS_DIRECT( h->mb.i_type ) )
+            if( !b_intra && !b_skip && !IS_DIRECT( h->mb.i_type ) )
             {
                 if( h->mb.i_partition != D_8x8 )
                         h->stat.frame.i_mb_partition[h->mb.i_partition] += 4;
@@ -2011,11 +2309,26 @@ static int x264_slice_write( x264_t *h )
         {
             if( h->mb.i_cbp_luma | h->mb.i_cbp_chroma )
             {
-                int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
-                           + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
-                h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
-                h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
-                h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
+                if( CHROMA444 )
+                {
+                    for( int i = 0; i < 4; i++ )
+                        if( h->mb.i_cbp_luma & (1 << i) )
+                            for( int p = 0; p < 3; p++ )
+                            {
+                                int s8 = i*4+p*16;
+                                int nnz8x8 = M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+0] )
+                                           | M16( &h->mb.cache.non_zero_count[x264_scan8[s8]+8] );
+                                h->stat.frame.i_mb_cbp[!b_intra + p*2] += !!nnz8x8;
+                            }
+                }
+                else
+                {
+                    int cbpsum = (h->mb.i_cbp_luma&1) + ((h->mb.i_cbp_luma>>1)&1)
+                               + ((h->mb.i_cbp_luma>>2)&1) + (h->mb.i_cbp_luma>>3);
+                    h->stat.frame.i_mb_cbp[!b_intra + 0] += cbpsum;
+                    h->stat.frame.i_mb_cbp[!b_intra + 2] += !!h->mb.i_cbp_chroma;
+                    h->stat.frame.i_mb_cbp[!b_intra + 4] += h->mb.i_cbp_chroma >> 1;
+                }
             }
             if( h->mb.i_cbp_luma && !b_intra )
             {
@@ -2032,26 +2345,21 @@ static int x264_slice_write( x264_t *h )
                 else //if( h->mb.i_type == I_4x4 )
                     for( int i = 0; i < 16; i++ )
                         h->stat.frame.i_mb_pred_mode[2][h->mb.cache.intra4x4_pred_mode[x264_scan8[i]]]++;
-                h->stat.frame.i_mb_pred_mode[3][x264_mb_pred_mode8x8c_fix[h->mb.i_chroma_pred_mode]]++;
+                h->stat.frame.i_mb_pred_mode[3][x264_mb_chroma_pred_mode_fix[h->mb.i_chroma_pred_mode]]++;
             }
+            h->stat.frame.i_mb_field[b_intra?0:b_skip?2:1] += MB_INTERLACED;
         }
 
         /* calculate deblock strength values (actual deblocking is done per-row along with hpel) */
         if( b_deblock )
-        {
-            int mvy_limit = 4 >> h->sh.b_mbaff;
-            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) );
-            else
-                h->loopf.deblock_strength( h->mb.cache.non_zero_count, h->mb.cache.ref, h->mb.cache.mv,
-                                           bs, mvy_limit, h->sh.i_type == SLICE_TYPE_B );
-        }
+            x264_macroblock_deblock_strength( h );
 
         x264_ratecontrol_mb( h, mb_size );
 
-        if( h->sh.b_mbaff )
+        if( mb_xy == h->sh.i_last_mb )
+            break;
+
+        if( SLICE_MBAFF )
         {
             i_mb_x += i_mb_y & 1;
             i_mb_y ^= i_mb_x < h->mb.i_mb_width;
@@ -2111,6 +2419,7 @@ 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 )
@@ -2134,15 +2443,28 @@ static void *x264_slices_write( x264_t *h )
     /* init stats */
     memset( &h->stat.frame, 0, sizeof(h->stat.frame) );
     h->mb.b_reencode_mb = 0;
-    while( h->sh.i_first_mb <= last_thread_mb )
+    while( h->sh.i_first_mb + SLICE_MBAFF*h->mb.i_mb_stride <= last_thread_mb )
     {
         h->sh.i_last_mb = last_thread_mb;
         if( h->param.i_slice_max_mbs )
-            h->sh.i_last_mb = h->sh.i_first_mb + h->param.i_slice_max_mbs - 1;
+        {
+            if( SLICE_MBAFF )
+            {
+                // convert first to mbaff form, add slice-max-mbs, then convert back to normal form
+                int last_mbaff = 2*(h->sh.i_first_mb % h->mb.i_mb_width)
+                    + h->mb.i_mb_width*(h->sh.i_first_mb / h->mb.i_mb_width)
+                    + h->param.i_slice_max_mbs - 1;
+                int last_x = (last_mbaff % (2*h->mb.i_mb_width))/2;
+                int last_y = (last_mbaff / (2*h->mb.i_mb_width))*2 + 1;
+                h->sh.i_last_mb = last_x + h->mb.i_mb_stride*last_y;
+            }
+            else
+                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->mb.i_mb_height >> h->param.b_interlaced;
-            int width = h->mb.i_mb_width << h->param.b_interlaced;
+            int height = h->mb.i_mb_height >> PARAM_INTERLACED;
+            int width = h->mb.i_mb_width << PARAM_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;
         }
@@ -2150,6 +2472,9 @@ static void *x264_slices_write( x264_t *h )
         if( x264_stack_align( x264_slice_write, h ) )
             return (void *)-1;
         h->sh.i_first_mb = h->sh.i_last_mb + 1;
+        // if i_first_mb is not the last mb in a row then go to the next mb in MBAFF order
+        if( SLICE_MBAFF && h->sh.i_first_mb % h->mb.i_mb_width )
+            h->sh.i_first_mb -= h->mb.i_mb_stride;
     }
 
 #if HAVE_VISUALIZE
@@ -2174,9 +2499,9 @@ 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->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;
+        int height = h->mb.i_mb_height >> PARAM_INTERLACED;
+        t->i_threadslice_start = ((height *  i    + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
+        t->i_threadslice_end   = ((height * (i+1) + h->param.i_slice_count/2) / h->param.i_threads) << PARAM_INTERLACED;
         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;
     }
@@ -2202,7 +2527,7 @@ static int x264_threaded_slices_write( x264_t *h )
     for( int i = 1; i < h->param.i_threads; i++ )
     {
         x264_fdec_filter_row( h->thread[i], h->thread[i]->i_threadslice_start + 1, 0 );
-        if( h->sh.b_mbaff )
+        if( SLICE_MBAFF )
             x264_fdec_filter_row( h->thread[i], h->thread[i]->i_threadslice_start + 2, 0 );
     }
 
@@ -2223,6 +2548,7 @@ static int x264_threaded_slices_write( x264_t *h )
         for( int j = 0; j < 3; j++ )
             h->stat.frame.i_ssd[j] += t->stat.frame.i_ssd[j];
         h->stat.frame.f_ssim += t->stat.frame.f_ssim;
+        h->stat.frame.i_ssim_cnt += t->stat.frame.i_ssim_cnt;
     }
 
     return 0;
@@ -2296,7 +2622,7 @@ int     x264_encoder_encode( x264_t *h,
         thread_oldest  = h;
     }
 #if HAVE_MMX
-    if( h->i_thread_frames == 1 && h->param.cpu&X264_CPU_SSE_MISALIGN )
+    if( h->param.cpu&X264_CPU_SSE_MISALIGN )
         x264_cpu_mask_misalign_sse();
 #endif
 
@@ -2326,8 +2652,10 @@ int     x264_encoder_encode( x264_t *h,
 
         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" );
@@ -2340,7 +2668,11 @@ int     x264_encoder_encode( x264_t *h,
 
         if( fenc->i_pic_struct == PIC_STRUCT_AUTO )
         {
+#if HAVE_INTERLACED
             int b_interlaced = fenc->param ? fenc->param->b_interlaced : h->param.b_interlaced;
+#else
+            int b_interlaced = 0;
+#endif
             if( b_interlaced )
             {
                 int b_tff = fenc->param ? fenc->param->b_tff : h->param.b_tff;
@@ -2450,7 +2782,7 @@ 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_I;
         x264_reference_hierarchy_reset( h );
-        if( h->param.i_open_gop )
+        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 )
@@ -2480,25 +2812,14 @@ int     x264_encoder_encode( x264_t *h,
     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 *= h->i_dts_compress_multiplier;
+    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;
-        if( h->i_frame <= h->frames.i_bframe_delay )
-        {
-            if( h->i_dts_compress_multiplier == 1 )
-                h->fdec->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;
-                h->fdec->i_dts = h->i_frame * thread_current->frames.i_init_delta / h->i_dts_compress_multiplier;
-            }
-        }
-        else
-            h->fdec->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;
+        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;
@@ -2561,10 +2882,10 @@ int     x264_encoder_encode( x264_t *h,
         }
         else if( h->fenc->i_type == X264_TYPE_P )
         {
-            int pocdiff = (h->fdec->i_poc - h->fref0[0]->i_poc)/2;
+            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->fref0[0]->f_pir_position;
-            h->fdec->i_frames_since_pir = h->fref0[0]->i_frames_since_pir + pocdiff;
+            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->mb.i_mb_width) )
             {
@@ -2596,14 +2917,42 @@ int     x264_encoder_encode( x264_t *h,
 
             /* generate picture parameters */
             x264_nal_start( h, NAL_PPS, NAL_PRIORITY_HIGHEST );
-            x264_pps_write( &h->out.bs, h->pps );
+            x264_pps_write( &h->out.bs, h->sps, h->pps );
             if( x264_nal_end( h ) )
                 return -1;
             overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
         }
 
-        /* buffering period sei is written in x264_encoder_frame_end */
+        /* when frame threading is used, buffering period sei is written in x264_encoder_frame_end */
+        if( h->i_thread_frames == 1 && h->sps->vui.b_nal_hrd_parameters_present )
+        {
+            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 ) )
+               return -1;
+            overhead += h->out.nal[h->out.i_nal-1].i_payload + NALU_OVERHEAD;
+        }
+    }
 
+    /* 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 */
@@ -2617,10 +2966,20 @@ int     x264_encoder_encode( x264_t *h,
 
         if( h->fenc->i_type != X264_TYPE_IDR )
         {
-            int time_to_recovery = h->param.i_open_gop ? 0 : X264_MIN( h->mb.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);
         }
     }
@@ -2635,6 +2994,20 @@ 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 );
@@ -2649,18 +3022,18 @@ 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++;
 
@@ -2703,8 +3076,8 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
     }
 
     x264_emms();
-    /* generate sei buffering period and insert it into place */
-    if( h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
+    /* generate buffering period sei and insert it into place */
+    if( h->i_thread_frames > 1 && h->fenc->b_keyframe && h->sps->vui.b_nal_hrd_parameters_present )
     {
         x264_hrd_fullness( h );
         x264_nal_start( h, NAL_SEI, NAL_PRIORITY_DISPOSABLE );
@@ -2723,11 +3096,14 @@ 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;
@@ -2735,13 +3111,17 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
     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;
+    pic_out->opaque = h->fenc->opaque;
+
+    pic_out->img.i_csp = h->fdec->i_csp;
+#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 < 2; i++ )
+    for( int i = 0; i < pic_out->img.i_plane; i++ )
     {
-        pic_out->img.i_stride[i] = h->fdec->i_stride[i];
-        // FIXME This breaks the API when pixel != uint8_t.
-        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 );
@@ -2773,6 +3153,8 @@ 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;
     }
@@ -2808,17 +3190,12 @@ static int x264_encoder_frame_end( x264_t *h, x264_t *thread_current,
         for( int i_list = 0; i_list < 2; i_list++ )
             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 )
+    for( int i = 0; i < 3; i++ )
+        h->stat.i_mb_field[i] += h->stat.frame.i_mb_field[i];
+    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 )
     {
@@ -2833,33 +3210,40 @@ 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],
         };
+        int luma_size = h->param.i_width * h->param.i_height;
+        int chroma_size = CHROMA_SIZE( luma_size );
+        double psnr_y = x264_psnr( ssd[0], luma_size );
+        double psnr_u = x264_psnr( ssd[1], chroma_size );
+        double psnr_v = x264_psnr( ssd[2], chroma_size );
 
-        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], luma_size + chroma_size*2 );
+        h->stat.f_psnr_mean_y[h->sh.i_type]  += dur * psnr_y;
+        h->stat.f_psnr_mean_u[h->sh.i_type]  += dur * psnr_u;
+        h->stat.f_psnr_mean_v[h->sh.i_type]  += dur * psnr_v;
 
-        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 ),
-                  x264_psnr( ssd[1], h->param.i_width * h->param.i_height / 4),
-                  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", psnr_y, psnr_u, psnr_v );
     }
 
     if( h->param.analyse.b_ssim )
     {
         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.frame.i_ssim_cnt;
+        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 );
     }
@@ -2902,15 +3286,16 @@ 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;
 }
@@ -2931,7 +3316,7 @@ static void x264_print_intra( int64_t *i_mb_count, double i_count, int b_print_p
  ****************************************************************************/
 void    x264_encoder_close  ( x264_t *h )
 {
-    int64_t i_yuv_size = 3 * h->param.i_width * h->param.i_height / 2;
+    int64_t i_yuv_size = FRAME_SIZE( h->param.i_width * h->param.i_height );
     int64_t i_mb_count_size[2][7] = {{0}};
     char buf[200];
     int b_print_pcm = h->stat.i_mb_count[SLICE_TYPE_I][I_PCM]
@@ -2966,7 +3351,8 @@ void    x264_encoder_close  ( x264_t *h )
 
         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,
@@ -2975,9 +3361,9 @@ void    x264_encoder_close  ( x264_t *h )
                           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
             {
@@ -2990,11 +3376,11 @@ void    x264_encoder_close  ( x264_t *h )
             }
         }
     }
-    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++ )
@@ -3054,17 +3440,18 @@ void    x264_encoder_close  ( x264_t *h )
         list_count[2] += h->stat.i_mb_partition[SLICE_TYPE_B][D_BI_8x8];
         i_mb_count[B_DIRECT] += (h->stat.i_mb_partition[SLICE_TYPE_B][D_DIRECT_8x8]+2)/4;
         i_mb_list_count = (list_count[0] + list_count[1] + list_count[2]) / 100.0;
-        x264_log( h, X264_LOG_INFO,
-                  "mb B  %s  B16..8: %4.1f%% %4.1f%% %4.1f%%  direct:%4.1f%%  skip:%4.1f%%  L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%\n",
-                  buf,
-                  i_mb_size[PIXEL_16x16] / (i_count*4),
-                  (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
-                  i_mb_size[PIXEL_8x8] / (i_count*4),
-                  i_mb_count[B_DIRECT] / i_count,
-                  i_mb_count[B_SKIP]   / i_count,
-                  list_count[0] / i_mb_list_count,
-                  list_count[1] / i_mb_list_count,
-                  list_count[2] / i_mb_list_count );
+        sprintf( buf + strlen(buf), "  B16..8: %4.1f%% %4.1f%% %4.1f%%  direct:%4.1f%%  skip:%4.1f%%",
+                 i_mb_size[PIXEL_16x16] / (i_count*4),
+                 (i_mb_size[PIXEL_16x8] + i_mb_size[PIXEL_8x16]) / (i_count*4),
+                 i_mb_size[PIXEL_8x8] / (i_count*4),
+                 i_mb_count[B_DIRECT] / i_count,
+                 i_mb_count[B_SKIP]   / i_count );
+        if( i_mb_list_count != 0 )
+            sprintf( buf + strlen(buf), "  L0:%4.1f%% L1:%4.1f%% BI:%4.1f%%",
+                     list_count[0] / i_mb_list_count,
+                     list_count[1] / i_mb_list_count,
+                     list_count[2] / i_mb_list_count );
+        x264_log( h, X264_LOG_INFO, "mb B  %s\n", buf );
     }
 
     x264_ratecontrol_summary( h );
@@ -3077,19 +3464,28 @@ void    x264_encoder_close  ( x264_t *h )
         int64_t i_intra = i_i8x8 + SUM3b( h->stat.i_mb_count, I_4x4 )
                                  + SUM3b( h->stat.i_mb_count, I_16x16 );
         int64_t i_all_intra = i_intra + SUM3b( h->stat.i_mb_count, I_PCM);
+        int64_t i_skip = SUM3b( h->stat.i_mb_count, P_SKIP )
+                       + SUM3b( h->stat.i_mb_count, B_SKIP );
         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 = (int64_t)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
+        int64_t i_inter = i_mb_count - i_skip - i_intra;
+        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];
+        float f_bitrate = SUM3(h->stat.i_frame_size) / duration / 125;
+
+        if( PARAM_INTERLACED )
         {
-            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;
+            char *fieldstats = buf;
+            fieldstats[0] = 0;
+            if( i_inter )
+                fieldstats += sprintf( fieldstats, " inter:%.1f%%", h->stat.i_mb_field[1] * 100.0 / i_inter );
+            if( i_skip )
+                fieldstats += sprintf( fieldstats, " skip:%.1f%%", h->stat.i_mb_field[2] * 100.0 / i_skip );
+            x264_log( h, X264_LOG_INFO, "field mbs: intra: %.1f%%%s\n",
+                      h->stat.i_mb_field[0] * 100.0 / i_intra, buf );
         }
 
         if( h->pps->b_transform_8x8_mode )
@@ -3110,15 +3506,17 @@ void    x264_encoder_close  ( x264_t *h )
         }
 
         buf[0] = 0;
+        int csize = CHROMA444 ? 4 : 1;
         if( i_mb_count != i_all_intra )
             sprintf( buf, " inter: %.1f%% %.1f%% %.1f%%",
                      h->stat.i_mb_cbp[1] * 100.0 / ((i_mb_count - i_all_intra)*4),
-                     h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra)  ),
-                     h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)) );
-        x264_log( h, X264_LOG_INFO, "coded y,uvDC,uvAC intra: %.1f%% %.1f%% %.1f%%%s\n",
+                     h->stat.i_mb_cbp[3] * 100.0 / ((i_mb_count - i_all_intra)*csize),
+                     h->stat.i_mb_cbp[5] * 100.0 / ((i_mb_count - i_all_intra)*csize) );
+        x264_log( h, X264_LOG_INFO, "coded y,%s,%s intra: %.1f%% %.1f%% %.1f%%%s\n",
+                  CHROMA444?"u":"uvDC", CHROMA444?"v":"uvAC",
                   h->stat.i_mb_cbp[0] * 100.0 / (i_all_intra*4),
-                  h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra  ),
-                  h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra  ), buf );
+                  h->stat.i_mb_cbp[2] * 100.0 / (i_all_intra*csize),
+                  h->stat.i_mb_cbp[4] * 100.0 / (i_all_intra*csize), buf );
 
         int64_t fixed_pred_modes[4][9] = {{0}};
         int64_t sum_pred_modes[4] = {0};
@@ -3154,19 +3552,20 @@ void    x264_encoder_close  ( x264_t *h )
         }
         for( int i = 0; i <= I_PRED_CHROMA_DC_128; i++ )
         {
-            fixed_pred_modes[3][x264_mb_pred_mode8x8c_fix[i]] += h->stat.i_mb_pred_mode[3][i];
+            fixed_pred_modes[3][x264_mb_chroma_pred_mode_fix[i]] += h->stat.i_mb_pred_mode[3][i];
             sum_pred_modes[3] += h->stat.i_mb_pred_mode[3][i];
         }
-        if( sum_pred_modes[3] )
+        if( sum_pred_modes[3] && !CHROMA444 )
             x264_log( h, X264_LOG_INFO, "i8c dc,h,v,p: %2.0f%% %2.0f%% %2.0f%% %2.0f%%\n",
                       fixed_pred_modes[3][0] * 100.0 / sum_pred_modes[3],
                       fixed_pred_modes[3][1] * 100.0 / sum_pred_modes[3],
                       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++ )
@@ -3189,18 +3588,18 @@ void    x264_encoder_close  ( x264_t *h )
 
         if( h->param.analyse.b_ssim )
         {
-            float ssim = 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
@@ -3231,6 +3630,12 @@ 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;
@@ -3245,10 +3650,13 @@ 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 );
@@ -3258,9 +3666,6 @@ void    x264_encoder_close  ( x264_t *h )
     }
 }
 
-/****************************************************************************
- * x264_encoder_delayed_frames:
- ****************************************************************************/
 int x264_encoder_delayed_frames( x264_t *h )
 {
     int delayed_frames = 0;
@@ -3281,3 +3686,8 @@ 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;
+}