shithub: libvpx

Download patch

ref: 29e4d7e861eb044902a34291df0814e972e28bcb
parent: d90f0eb4c559595262f2cebc39adbfbbdf855efb
author: Ronald S. Bultje <rbultje@google.com>
date: Thu Feb 9 11:11:00 EST 2012

Merge dualpred (compound prediction) experiment.

Change-Id: Ieaaa07c50eae41118596197f6a4d848135946e41

--- a/configure
+++ b/configure
@@ -217,7 +217,6 @@
     unistd_h
 "
 EXPERIMENT_LIST="
-    dualpred
     extend_qrange
     segmentation
     segfeatures
--- a/vp8/common/alloccommon.c
+++ b/vp8/common/alloccommon.c
@@ -212,9 +212,7 @@
     vp8_default_bmode_probs(oci->fc.bmode_prob);
 
     oci->mb_no_coeff_skip = 1;
-#if CONFIG_DUALPRED
     oci->dual_pred_mode = HYBRID_PREDICTION;
-#endif /* CONFIG_DUALPRED */
     oci->no_lpf = 0;
     oci->filter_type = NORMAL_LOOPFILTER;
     oci->use_bilinear_mc_filter = 0;
--- a/vp8/common/blockd.h
+++ b/vp8/common/blockd.h
@@ -176,15 +176,11 @@
 typedef struct
 {
     MB_PREDICTION_MODE mode, uv_mode;
-    MV_REFERENCE_FRAME ref_frame;
+    MV_REFERENCE_FRAME ref_frame, second_ref_frame;
 #if CONFIG_T8X8
     TX_SIZE txfm_size;
 #endif
-    int_mv mv;
-#if CONFIG_DUALPRED
-    MV_REFERENCE_FRAME second_ref_frame;
-    int_mv second_mv;
-#endif
+    int_mv mv, second_mv;
     unsigned char partitioning;
     unsigned char mb_skip_coeff;                                /* does this mb has coefficients at all, 1=no coefficients, 0=need decode tokens */
     unsigned char need_to_clamp_mvs;
@@ -242,11 +238,9 @@
     int fullpixel_mask;
 
     YV12_BUFFER_CONFIG pre; /* Filtered copy of previous frame reconstruction */
-#if CONFIG_DUALPRED
     struct {
         uint8_t *y_buffer, *u_buffer, *v_buffer;
     } second_pre;
-#endif /* CONFIG_DUALPRED */
     YV12_BUFFER_CONFIG dst;
 
     MODE_INFO *prev_mode_info_context;
@@ -310,10 +304,8 @@
     vp8_subpix_fn_t  subpixel_predict8x4;
     vp8_subpix_fn_t  subpixel_predict8x8;
     vp8_subpix_fn_t  subpixel_predict16x16;
-#if CONFIG_DUALPRED
     vp8_subpix_fn_t  subpixel_predict_avg8x8;
     vp8_subpix_fn_t  subpixel_predict_avg16x16;
-#endif /* CONFIG_DUALPRED */
 
     void *current_bc;
 
--- a/vp8/common/filter.c
+++ b/vp8/common/filter.c
@@ -221,7 +221,6 @@
     }
 }
 
-#if CONFIG_DUALPRED
 /*
  * The only functional difference between filter_block2d_second_pass()
  * and this function is that filter_block2d_second_pass() does a sixtap
@@ -299,7 +298,6 @@
         output_ptr += output_pitch;
     }
 }
-#endif /* CONFIG_DUALPRED */
 
 static void filter_block2d
 (
@@ -368,7 +366,6 @@
 
 }
 
-#if CONFIG_DUALPRED
 void vp8_sixtap_predict_avg8x8_c
 (
     unsigned char  *src_ptr,
@@ -394,7 +391,6 @@
     /* then filter verticaly... */
     filter_block2d_second_pass_avg(FData + 8*(INTERP_EXTEND-1), dst_ptr, dst_pitch, 8, 8, 8, 8, VFilter);
 }
-#endif /* CONFIG_DUALPRED */
 
 void vp8_sixtap_predict8x4_c
 (
@@ -452,7 +448,6 @@
 
 }
 
-#if CONFIG_DUALPRED
 void vp8_sixtap_predict_avg16x16_c
 (
     unsigned char  *src_ptr,
@@ -479,7 +474,6 @@
     filter_block2d_second_pass_avg(FData + 16*(INTERP_EXTEND-1), dst_ptr, dst_pitch,
                                    16, 16, 16, 16, VFilter);
 }
-#endif /* CONFIG_DUALPRED */
 
 /****************************************************************************
  *
@@ -584,7 +578,6 @@
     }
 }
 
-#if CONFIG_DUALPRED
 /*
  * As before for filter_block2d_second_pass_avg(), the functional difference
  * between filter_block2d_bil_second_pass() and filter_block2d_bil_second_pass_avg()
@@ -623,7 +616,6 @@
         dst_ptr += dst_pitch;
     }
 }
-#endif /* CONFIG_DUALPRED */
 
 /****************************************************************************
  *
@@ -670,7 +662,6 @@
     filter_block2d_bil_second_pass(FData, dst_ptr, dst_pitch, Height, Width, VFilter);
 }
 
-#if CONFIG_DUALPRED
 static void filter_block2d_bil_avg
 (
     unsigned char *src_ptr,
@@ -691,7 +682,6 @@
     /* then 1-D vertically... */
     filter_block2d_bil_second_pass_avg(FData, dst_ptr, dst_pitch, Height, Width, VFilter);
 }
-#endif /* CONFIG_DUALPRED */
 
 void vp8_bilinear_predict4x4_c
 (
@@ -751,7 +741,6 @@
 
 }
 
-#if CONFIG_DUALPRED
 void vp8_bilinear_predict_avg8x8_c
 (
     unsigned char  *src_ptr,
@@ -771,7 +760,6 @@
     filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
                            dst_pitch, HFilter, VFilter, 8, 8);
 }
-#endif /* CONFIG_DUALPRED */
 
 void vp8_bilinear_predict8x4_c
 (
@@ -812,7 +800,6 @@
     filter_block2d_bil(src_ptr, dst_ptr, src_pixels_per_line, dst_pitch, HFilter, VFilter, 16, 16);
 }
 
-#if CONFIG_DUALPRED
 void vp8_bilinear_predict_avg16x16_c
 (
     unsigned char  *src_ptr,
@@ -832,4 +819,3 @@
     filter_block2d_bil_avg(src_ptr, dst_ptr, src_pixels_per_line,
                            dst_pitch, HFilter, VFilter, 16, 16);
 }
-#endif /* CONFIG_DUALPRED */
--- a/vp8/common/generic/systemdependent.c
+++ b/vp8/common/generic/systemdependent.c
@@ -84,10 +84,8 @@
 #endif
     rtcd->recon.copy16x16   = vp8_copy_mem16x16_c;
     rtcd->recon.copy8x8     = vp8_copy_mem8x8_c;
-#if CONFIG_DUALPRED
     rtcd->recon.avg16x16    = vp8_avg_mem16x16_c;
     rtcd->recon.avg8x8      = vp8_avg_mem8x8_c;
-#endif /* CONFIG_DUALPRED */
     rtcd->recon.copy8x4     = vp8_copy_mem8x4_c;
     rtcd->recon.recon       = vp8_recon_b_c;
     rtcd->recon.recon_uv    = vp8_recon_uv_b_c;
@@ -112,18 +110,14 @@
 
     rtcd->subpix.sixtap16x16       = vp8_sixtap_predict16x16_c;
     rtcd->subpix.sixtap8x8         = vp8_sixtap_predict8x8_c;
-#if CONFIG_DUALPRED
     rtcd->subpix.sixtap_avg16x16   = vp8_sixtap_predict_avg16x16_c;
     rtcd->subpix.sixtap_avg8x8     = vp8_sixtap_predict_avg8x8_c;
-#endif /* CONFIG_DUALPRED */
     rtcd->subpix.sixtap8x4         = vp8_sixtap_predict8x4_c;
     rtcd->subpix.sixtap4x4         = vp8_sixtap_predict_c;
     rtcd->subpix.bilinear16x16     = vp8_bilinear_predict16x16_c;
     rtcd->subpix.bilinear8x8       = vp8_bilinear_predict8x8_c;
-#if CONFIG_DUALPRED
     rtcd->subpix.bilinear_avg16x16 = vp8_bilinear_predict_avg16x16_c;
     rtcd->subpix.bilinear_avg8x8   = vp8_bilinear_predict_avg8x8_c;
-#endif /* CONFIG_DUALPRED */
     rtcd->subpix.bilinear8x4       = vp8_bilinear_predict8x4_c;
     rtcd->subpix.bilinear4x4       = vp8_bilinear_predict4x4_c;
 
--- a/vp8/common/onyxc_int.h
+++ b/vp8/common/onyxc_int.h
@@ -42,9 +42,7 @@
 
 #define MAX_PARTITIONS 9
 
-#if CONFIG_DUALPRED
 #define DUAL_PRED_CONTEXTS   2
-#endif /* CONFIG_DUALPRED */
 
 typedef struct frame_contexts
 {
@@ -84,7 +82,6 @@
     BILINEAR = 1
 } INTERPOLATIONFILTERTYPE;
 
-#if CONFIG_DUALPRED
 typedef enum
 {
     SINGLE_PREDICTION_ONLY = 0,
@@ -92,7 +89,6 @@
     HYBRID_PREDICTION      = 2,
     NB_PREDICTION_TYPES    = 3,
 } DUALPREDMODE_TYPE;
-#endif /* CONFIG_DUALPRED */
 
 typedef struct VP8_COMMON_RTCD
 {
@@ -151,9 +147,7 @@
     /* profile settings */
     int experimental;
     int mb_no_coeff_skip;
-#if CONFIG_DUALPRED
     DUALPREDMODE_TYPE dual_pred_mode;
-#endif /* CONFIG_DUALPRED */
     int no_lpf;
     int use_bilinear_mc_filter;
     int full_pixel;
@@ -237,9 +231,7 @@
     vp8_prob ref_pred_probs[PREDICTION_PROBS];
     vp8_prob mod_refprobs[MAX_REF_FRAMES][PREDICTION_PROBS];
 
-#if CONFIG_DUALPRED
     vp8_prob prob_dualpred[DUAL_PRED_CONTEXTS];
-#endif /* CONFIG_DUALPRED */
 
     FRAME_CONTEXT lfc_a; /* last alt ref entropy */
     FRAME_CONTEXT lfc; /* last frame entropy */
--- a/vp8/common/recon.h
+++ b/vp8/common/recon.h
@@ -49,7 +49,6 @@
 #endif
 extern prototype_copy_block(vp8_recon_copy8x8);
 
-#if CONFIG_DUALPRED
 #ifndef vp8_recon_avg16x16
 #define vp8_recon_avg16x16 vp8_avg_mem16x16_c
 #endif
@@ -59,7 +58,6 @@
 #define vp8_recon_avg8x8 vp8_avg_mem8x8_c
 #endif
 extern prototype_copy_block(vp8_recon_avg8x8);
-#endif /* CONFIG_DUALPRED */
 
 #ifndef vp8_recon_copy8x4
 #define vp8_recon_copy8x4 vp8_copy_mem8x4_c
@@ -160,10 +158,8 @@
 {
     vp8_copy_block_fn_t  copy16x16;
     vp8_copy_block_fn_t  copy8x8;
-#if CONFIG_DUALPRED
     vp8_copy_block_fn_t  avg16x16;
     vp8_copy_block_fn_t  avg8x8;
-#endif /* CONFIG_DUALPRED */
     vp8_copy_block_fn_t  copy8x4;
     vp8_recon_fn_t       recon;
     vp8_recon_fn_t       recon_uv;
--- a/vp8/common/reconinter.c
+++ b/vp8/common/reconinter.c
@@ -62,7 +62,6 @@
 
 }
 
-#if CONFIG_DUALPRED
 void vp8_avg_mem16x16_c(
     unsigned char *src,
     int src_stride,
@@ -84,7 +83,6 @@
         dst += dst_stride;
     }
 }
-#endif /* CONFIG_DUALPRED */
 
 void vp8_copy_mem8x8_c(
     unsigned char *src,
@@ -116,7 +114,6 @@
 
 }
 
-#if CONFIG_DUALPRED
 void vp8_avg_mem8x8_c(
     unsigned char *src,
     int src_stride,
@@ -138,7 +135,6 @@
         dst += dst_stride;
     }
 }
-#endif /* CONFIG_DUALPRED */
 
 void vp8_copy_mem8x4_c(
     unsigned char *src,
@@ -478,7 +474,6 @@
 
 }
 
-#if CONFIG_DUALPRED
 /*
  * This function should be called after an initial call to
  * vp8_build_inter16x16_predictors_mb() or _mby()/_mbuv().
@@ -544,7 +539,6 @@
         RECON_INVOKE(&x->rtcd->recon, avg8x8)(vptr, pre_stride, dst_v, dst_uvstride);
     }
 }
-#endif /* CONFIG_DUALPRED */
 
 static void build_inter4x4_predictors_mb(MACROBLOCKD *x)
 {
@@ -665,7 +659,7 @@
     {
         vp8_build_inter16x16_predictors_mb(x, x->predictor, &x->predictor[256],
                                            &x->predictor[320], 16, 8);
-#if CONFIG_DUALPRED
+
         if (x->mode_info_context->mbmi.second_ref_frame)
         {
             /* 256 = offset of U plane in Y+U+V buffer;
@@ -675,7 +669,6 @@
                                                    &x->predictor[256],
                                                    &x->predictor[320], 16, 8);
         }
-#endif /* CONFIG_DUALPRED */
     }
     else
     {
--- a/vp8/common/subpixel.h
+++ b/vp8/common/subpixel.h
@@ -34,7 +34,6 @@
 #endif
 extern prototype_subpixel_predict(vp8_subpix_sixtap8x8);
 
-#if CONFIG_DUALPRED
 #ifndef vp8_subpix_sixtap_avg16x16
 #define vp8_subpix_sixtap_avg16x16 vp8_sixtap_predict_avg16x16_c
 #endif
@@ -44,8 +43,6 @@
 #define vp8_subpix_sixtap_avg8x8 vp8_sixtap_predict_avg8x8_c
 #endif
 extern prototype_subpixel_predict(vp8_subpix_sixtap_avg8x8);
-#endif /* CONFIG_DUALPRED */
-
 #ifndef vp8_subpix_sixtap8x4
 #define vp8_subpix_sixtap8x4 vp8_sixtap_predict8x4_c
 #endif
@@ -66,7 +63,6 @@
 #endif
 extern prototype_subpixel_predict(vp8_subpix_bilinear8x8);
 
-#if CONFIG_DUALPRED
 #ifndef vp8_subpix_bilinear_avg16x16
 #define vp8_subpix_bilinear_avg16x16 vp8_bilinear_predict_avg16x16_c
 #endif
@@ -76,7 +72,6 @@
 #define vp8_subpix_bilinear_avg8x8 vp8_bilinear_predict_avg8x8_c
 #endif
 extern prototype_subpixel_predict(vp8_subpix_bilinear_avg8x8);
-#endif /* CONFIG_DUALPRED */
 
 #ifndef vp8_subpix_bilinear8x4
 #define vp8_subpix_bilinear8x4 vp8_bilinear_predict8x4_c
@@ -93,18 +88,14 @@
 {
     vp8_subpix_fn_t  sixtap16x16;
     vp8_subpix_fn_t  sixtap8x8;
-#if CONFIG_DUALPRED
     vp8_subpix_fn_t  sixtap_avg16x16;
     vp8_subpix_fn_t  sixtap_avg8x8;
-#endif /* CONFIG_DUALPRED */
     vp8_subpix_fn_t  sixtap8x4;
     vp8_subpix_fn_t  sixtap4x4;
     vp8_subpix_fn_t  bilinear16x16;
     vp8_subpix_fn_t  bilinear8x8;
-#if CONFIG_DUALPRED
     vp8_subpix_fn_t  bilinear_avg16x16;
     vp8_subpix_fn_t  bilinear_avg8x8;
-#endif /* CONFIG_DUALPRED */
     vp8_subpix_fn_t  bilinear8x4;
     vp8_subpix_fn_t  bilinear4x4;
 } vp8_subpix_rtcd_vtable_t;
--- a/vp8/decoder/decodemv.c
+++ b/vp8/decoder/decodemv.c
@@ -416,7 +416,6 @@
         // frame prediction fails.
         compute_mod_refprobs( cm );
 
-#if CONFIG_DUALPRED
         pbi->common.dual_pred_mode = vp8_read(bc, 128);
         if (cm->dual_pred_mode)
             cm->dual_pred_mode += vp8_read(bc, 128);
@@ -426,7 +425,6 @@
             for ( i = 0; i < DUAL_PRED_CONTEXTS; i++ )
                 cm->prob_dualpred[i] = (vp8_prob)vp8_read_literal(bc, 8);
         }
-#endif /* CONFIG_DUALPRED */
 
         if (vp8_read_bit(bc))
         {
@@ -541,9 +539,7 @@
     mb_to_top_edge -= LEFT_TOP_MARGIN;
     mb_to_bottom_edge += RIGHT_BOTTOM_MARGIN;
     mbmi->need_to_clamp_mvs = 0;
-#if CONFIG_DUALPRED
     mbmi->second_ref_frame = 0;
-#endif /* CONFIG_DUALPRED */
     /* Distance of Mb to the various image edges.
      * These specified to 8th pel as they are always compared to MV values that are in 1/8th pel units
      */
@@ -732,7 +728,6 @@
 
         propagate_mv:  /* same MV throughout */
 
-#if CONFIG_DUALPRED
             if ( cm->dual_pred_mode == DUAL_PREDICTION_ONLY ||
                  (cm->dual_pred_mode == HYBRID_PREDICTION &&
                      vp8_read(bc, get_pred_prob( cm, xd, PRED_DUAL ))) )
@@ -776,7 +771,6 @@
                     break;
                 }
             }
-#endif /* CONFIG_DUALPRED */
 
 #if CONFIG_ERROR_CONCEALMENT
             if(pbi->ec_enabled)
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -134,7 +134,7 @@
         vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
                                            xd->dst.u_buffer, xd->dst.v_buffer,
                                            xd->dst.y_stride, xd->dst.uv_stride);
-#if CONFIG_DUALPRED
+
         if (xd->mode_info_context->mbmi.second_ref_frame)
         {
             vp8_build_2nd_inter16x16_predictors_mb(xd, xd->dst.y_buffer,
@@ -141,7 +141,6 @@
                                                    xd->dst.u_buffer, xd->dst.v_buffer,
                                                    xd->dst.y_stride, xd->dst.uv_stride);
         }
-#endif /* CONFIG_DUALPRED */
     }
 #ifdef DEC_DEBUG
         if (dec_debug) {
@@ -571,7 +570,6 @@
             xd->pre.u_buffer = pc->yv12_fb[ref_fb_idx].u_buffer +recon_uvoffset;
             xd->pre.v_buffer = pc->yv12_fb[ref_fb_idx].v_buffer +recon_uvoffset;
 
-#if CONFIG_DUALPRED
             if (xd->mode_info_context->mbmi.second_ref_frame)
             {
                 int second_ref_fb_idx;
@@ -592,7 +590,6 @@
                 xd->second_pre.v_buffer =
                        pc->yv12_fb[second_ref_fb_idx].v_buffer + recon_uvoffset;
             }
-#endif /* CONFIG_DUALPRED */
 
             if (xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME)
             {
@@ -697,7 +694,6 @@
         xd->pre.u_buffer = pc->yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
         xd->pre.v_buffer = pc->yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
 
-#if CONFIG_DUALPRED
         if (xd->mode_info_context->mbmi.second_ref_frame)
         {
             int second_ref_fb_idx;
@@ -714,7 +710,6 @@
             xd->second_pre.u_buffer = pc->yv12_fb[second_ref_fb_idx].u_buffer + recon_uvoffset;
             xd->second_pre.v_buffer = pc->yv12_fb[second_ref_fb_idx].v_buffer + recon_uvoffset;
         }
-#endif /* CONFIG_DUALPRED */
 
         if (xd->mode_info_context->mbmi.ref_frame != INTRA_FRAME)
         {
@@ -964,10 +959,8 @@
             xd->subpixel_predict8x4   = SUBPIX_INVOKE(RTCD_VTABLE(subpix), sixtap8x4);
             xd->subpixel_predict8x8   = SUBPIX_INVOKE(RTCD_VTABLE(subpix), sixtap8x8);
             xd->subpixel_predict16x16 = SUBPIX_INVOKE(RTCD_VTABLE(subpix), sixtap16x16);
-#if CONFIG_DUALPRED
             xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE(RTCD_VTABLE(subpix), sixtap_avg8x8);
             xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE(RTCD_VTABLE(subpix), sixtap_avg16x16);
-#endif /* CONFIG_DUALPRED */
         }
         else
         {
@@ -975,10 +968,8 @@
             xd->subpixel_predict8x4   = SUBPIX_INVOKE(RTCD_VTABLE(subpix), bilinear8x4);
             xd->subpixel_predict8x8   = SUBPIX_INVOKE(RTCD_VTABLE(subpix), bilinear8x8);
             xd->subpixel_predict16x16 = SUBPIX_INVOKE(RTCD_VTABLE(subpix), bilinear16x16);
-#if CONFIG_DUALPRED
             xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE(RTCD_VTABLE(subpix), bilinear_avg8x8);
             xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE(RTCD_VTABLE(subpix), bilinear_avg16x16);
-#endif /* CONFIG_DUALPRED */
         }
 
         if (pbi->decoded_key_frame && pbi->ec_enabled && !pbi->ec_active)
--- a/vp8/decoder/threading.c
+++ b/vp8/decoder/threading.c
@@ -49,10 +49,8 @@
         mbd->subpixel_predict8x4     = xd->subpixel_predict8x4;
         mbd->subpixel_predict8x8     = xd->subpixel_predict8x8;
         mbd->subpixel_predict16x16   = xd->subpixel_predict16x16;
-#if CONFIG_DUALPRED
         mbd->subpixel_predict_avg8x8 = xd->subpixel_predict_avg8x8;
         mbd->subpixel_predict_avg16x16 = xd->subpixel_predict_avg16x16;
-#endif /* CONFIG_DUALPRED */
 
         mbd->mode_info_context = pc->mi   + pc->mode_info_stride * (i + 1);
         mbd->mode_info_stride  = pc->mode_info_stride;
--- a/vp8/encoder/bitstream.c
+++ b/vp8/encoder/bitstream.c
@@ -967,9 +967,7 @@
     const MV_CONTEXT *mvc = pc->fc.mvc;
     MACROBLOCKD *xd = &cpi->mb.e_mbd;
 
-#if CONFIG_DUALPRED
     int i;
-#endif
     int pred_context;
 
     MODE_INFO *m = pc->mi;
@@ -1022,7 +1020,6 @@
     vp8_write_literal(w, pc->prob_last_coded, 8);
     vp8_write_literal(w, pc->prob_gf_coded, 8);
 
-#if CONFIG_DUALPRED
     if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
     {
         vp8_write(w, 1, 128);
@@ -1052,7 +1049,6 @@
         vp8_write(w, 1, 128);
         vp8_write(w, 0, 128);
     }
-#endif /* CONFIG_DUALPRED */
 
     update_mbintra_mode_probs(cpi);
 
@@ -1220,7 +1216,7 @@
 #endif
 
                             write_mv(w, &mi->mv.as_mv, &best_mv, mvc);
-#if CONFIG_DUALPRED
+
                             if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
                             {
                                 vp8_write(w,
@@ -1239,7 +1235,6 @@
                                                   cpi->common.ref_frame_sign_bias);
                                 write_mv(w, &mi->second_mv.as_mv, &best_mv, mvc);
                             }
-#endif /* CONFIG_DUALPRED */
                             break;
 
                         case SPLITMV:
@@ -1288,7 +1283,6 @@
                         }
                         break;
                         default:
-#if CONFIG_DUALPRED
                             if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
                             {
                                 vp8_write(w,
@@ -1295,7 +1289,6 @@
                                           mi->second_ref_frame != INTRA_FRAME,
                                           get_pred_prob( pc, xd, PRED_DUAL ) );
                             }
-#endif /* CONFIG_DUALPRED */
                             break;
                         }
                     }
@@ -1326,9 +1319,7 @@
     const MV_CONTEXT *mvc = pc->fc.mvc;
     MACROBLOCKD *xd = &cpi->mb.e_mbd;
 
-#if CONFIG_DUALPRED
     int i;
-#endif
     int pred_context;
 
 
@@ -1378,7 +1369,6 @@
     vp8_write_literal(w, pc->prob_last_coded, 8);
     vp8_write_literal(w, pc->prob_gf_coded, 8);
 
-#if CONFIG_DUALPRED
     if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
     {
         vp8_write(w, 1, 128);
@@ -1408,7 +1398,6 @@
         vp8_write(w, 1, 128);
         vp8_write(w, 0, 128);
     }
-#endif /* CONFIG_DUALPRED */
 
     update_mbintra_mode_probs(cpi);
 
@@ -1556,7 +1545,7 @@
     #endif
 
                         write_mv(w, &mi->mv.as_mv, &best_mv, mvc);
-#if CONFIG_DUALPRED
+
                         if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
                         {
                             vp8_write(w, mi->second_ref_frame != INTRA_FRAME,
@@ -1574,7 +1563,6 @@
                                               cpi->common.ref_frame_sign_bias);
                             write_mv(w, &mi->second_mv.as_mv, &best_mv, mvc);
                         }
-#endif /* CONFIG_DUALPRED */
                         break;
                     case SPLITMV:
                     {
@@ -1622,13 +1610,11 @@
                     }
                     break;
                     default:
-#if CONFIG_DUALPRED
                         if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
                         {
                             vp8_write(w, mi->second_ref_frame != INTRA_FRAME,
                                       get_pred_prob( pc, xd, PRED_DUAL ) );
                         }
-#endif /* CONFIG_DUALPRED */
                         break;
                     }
                 }
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -1214,12 +1214,10 @@
                                         &cpi->common.rtcd.subpix, sixtap8x8);
         xd->subpixel_predict16x16   = SUBPIX_INVOKE(
                                         &cpi->common.rtcd.subpix, sixtap16x16);
-#if CONFIG_DUALPRED
         xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE(
                                         &cpi->common.rtcd.subpix, sixtap_avg8x8);
         xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE(
                                         &cpi->common.rtcd.subpix, sixtap_avg16x16);
-#endif /* CONFIG_DUALPRED */
     }
     else
     {
@@ -1231,12 +1229,10 @@
                                         &cpi->common.rtcd.subpix, bilinear8x8);
         xd->subpixel_predict16x16   = SUBPIX_INVOKE(
                                       &cpi->common.rtcd.subpix, bilinear16x16);
-#if CONFIG_DUALPRED
         xd->subpixel_predict_avg8x8 = SUBPIX_INVOKE(
                                       &cpi->common.rtcd.subpix, bilinear_avg8x8);
         xd->subpixel_predict_avg16x16 = SUBPIX_INVOKE(
                                       &cpi->common.rtcd.subpix, bilinear_avg16x16);
-#endif /* CONFIG_DUALPRED */
     }
 
     // Reset frame count of inter 0,0 motion vector usage.
@@ -1276,11 +1272,10 @@
 
     // re-initencode frame context.
     init_encode_frame_mb_context(cpi);
-#if CONFIG_DUALPRED
+
     cpi->rd_single_diff = cpi->rd_dual_diff = cpi->rd_hybrid_diff = 0;
     vpx_memset(cpi->single_pred_count, 0, sizeof(cpi->single_pred_count));
     vpx_memset(cpi->dual_pred_count, 0, sizeof(cpi->dual_pred_count));
-#endif /* CONFIG_DUALPRED */
 
     {
         struct vpx_usec_timer  emr_timer;
@@ -1438,7 +1433,6 @@
 
 void vp8_encode_frame(VP8_COMP *cpi)
 {
-#if CONFIG_DUALPRED
     if (cpi->sf.RD)
     {
         int frame_type, pred_type;
@@ -1561,7 +1555,6 @@
         }
     }
     else
-#endif /* CONFIG_DUALPRED */
     {
         encode_frame_internal(cpi);
     }
@@ -1807,7 +1800,7 @@
         }
         vp8_rd_pick_inter_mode(cpi, x, recon_yoffset, recon_uvoffset, &rate,
                                &distortion, &intra_error, &single, &dual, &hybrid);
-#if CONFIG_DUALPRED
+
         cpi->rd_single_diff += single;
         cpi->rd_dual_diff   += dual;
         cpi->rd_hybrid_diff += hybrid;
@@ -1823,7 +1816,6 @@
             else
                 cpi->dual_pred_count[pred_context]++;
         }
-#endif /* CONFIG_DUALPRED */
 
         /* switch back to the regular quantizer for the encode */
         if (cpi->sf.improved_quant)
@@ -1989,7 +1981,6 @@
         xd->pre.u_buffer = cpi->common.yv12_fb[ref_fb_idx].u_buffer + recon_uvoffset;
         xd->pre.v_buffer = cpi->common.yv12_fb[ref_fb_idx].v_buffer + recon_uvoffset;
 
-#if CONFIG_DUALPRED
         if (xd->mode_info_context->mbmi.second_ref_frame) {
             int second_ref_fb_idx;
 
@@ -2007,7 +1998,6 @@
             xd->second_pre.v_buffer = cpi->common.yv12_fb[second_ref_fb_idx].v_buffer +
                                             recon_uvoffset;
         }
-#endif /* CONFIG_DUALPRED */
 
         if (!x->skip)
         {
--- a/vp8/encoder/ethreading.c
+++ b/vp8/encoder/ethreading.c
@@ -390,10 +390,8 @@
         zd->subpixel_predict8x4      = xd->subpixel_predict8x4;
         zd->subpixel_predict8x8      = xd->subpixel_predict8x8;
         zd->subpixel_predict16x16    = xd->subpixel_predict16x16;
-#if CONFIG_DUALPRED
         zd->subpixel_predict_avg8x8  = xd->subpixel_predict_avg8x8;
         zd->subpixel_predict_avg16x16 = xd->subpixel_predict_avg16x16;
-#endif /* CONFIG_DUALPRED */
         zd->segmentation_enabled     = xd->segmentation_enabled;
         zd->mb_segement_abs_delta      = xd->mb_segement_abs_delta;
 
@@ -434,10 +432,8 @@
         mbd->subpixel_predict8x4     = xd->subpixel_predict8x4;
         mbd->subpixel_predict8x8     = xd->subpixel_predict8x8;
         mbd->subpixel_predict16x16   = xd->subpixel_predict16x16;
-#if CONFIG_DUALPRED
         mbd->subpixel_predict_avg8x8 = xd->subpixel_predict_avg8x8;
         mbd->subpixel_predict_avg16x16 = xd->subpixel_predict_avg16x16;
-#endif /* CONFIG_DUALPRED */
 #if CONFIG_RUNTIME_CPU_DETECT
         mbd->rtcd                   = xd->rtcd;
 #endif
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -893,7 +893,6 @@
         sf->thresh_mult[THR_SPLITG   ] = 5000;
         sf->thresh_mult[THR_SPLITA   ] = 5000;
 
-#if CONFIG_DUALPRED
         sf->thresh_mult[THR_DUAL_ZEROLG   ] = 0;
         sf->thresh_mult[THR_DUAL_NEARESTLG] = 0;
         sf->thresh_mult[THR_DUAL_NEARLG   ] = 0;
@@ -907,7 +906,6 @@
         sf->thresh_mult[THR_DUAL_NEWLG    ] = 1000;
         sf->thresh_mult[THR_DUAL_NEWLA    ] = 1000;
         sf->thresh_mult[THR_DUAL_NEWGA    ] = 1000;
-#endif /* CONFIG_DUALPRED */
 
         sf->first_step = 0;
         sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
@@ -958,7 +956,6 @@
         sf->thresh_mult[THR_SPLITG   ] = 4500;
         sf->thresh_mult[THR_SPLITA   ] = 4500;
 
-#if CONFIG_DUALPRED
         sf->thresh_mult[THR_DUAL_ZEROLG   ] = 0;
         sf->thresh_mult[THR_DUAL_NEARESTLG] = 0;
         sf->thresh_mult[THR_DUAL_NEARLG   ] = 0;
@@ -972,7 +969,6 @@
         sf->thresh_mult[THR_DUAL_NEWLG    ] = 1000;
         sf->thresh_mult[THR_DUAL_NEWLA    ] = 1000;
         sf->thresh_mult[THR_DUAL_NEWGA    ] = 1000;
-#endif /* CONFIG_DUALPRED */
 #else
         sf->thresh_mult[THR_NEWMV    ] = 1500;
         sf->thresh_mult[THR_NEWG     ] = 1500;
@@ -1033,7 +1029,6 @@
                 sf->thresh_mult[THR_SPLITA   ] = 20000;
             }
 
-#if CONFIG_DUALPRED
             sf->thresh_mult[THR_DUAL_ZEROLG   ] = 1500;
             sf->thresh_mult[THR_DUAL_NEARESTLG] = 1500;
             sf->thresh_mult[THR_DUAL_NEARLG   ] = 1500;
@@ -1047,7 +1042,6 @@
             sf->thresh_mult[THR_DUAL_NEWLG    ] = 2000;
             sf->thresh_mult[THR_DUAL_NEWLA    ] = 2000;
             sf->thresh_mult[THR_DUAL_NEWGA    ] = 2000;
-#endif /* CONFIG_DUALPRED */
         }
 
         if (Speed > 2)
@@ -1086,7 +1080,6 @@
                 sf->thresh_mult[THR_SPLITA   ] = 50000;
             }
 
-#if CONFIG_DUALPRED
             sf->thresh_mult[THR_DUAL_ZEROLG   ] = 2000;
             sf->thresh_mult[THR_DUAL_NEARESTLG] = 2000;
             sf->thresh_mult[THR_DUAL_NEARLG   ] = 2000;
@@ -1100,7 +1093,6 @@
             sf->thresh_mult[THR_DUAL_NEWLG    ] = 2500;
             sf->thresh_mult[THR_DUAL_NEWLA    ] = 2500;
             sf->thresh_mult[THR_DUAL_NEWGA    ] = 2500;
-#endif /* CONFIG_DUALPRED */
 
             sf->improved_quant = 0;
             sf->improved_dct = 0;
@@ -1153,7 +1145,6 @@
                 cpi->mode_check_freq[THR_NEWA] = 4;
             }
 
-#if CONFIG_DUALPRED
             cpi->mode_check_freq[THR_DUAL_NEARLG   ] = 2;
             cpi->mode_check_freq[THR_DUAL_NEARLA   ] = 2;
             cpi->mode_check_freq[THR_DUAL_NEARGA   ] = 2;
@@ -1160,7 +1151,6 @@
             cpi->mode_check_freq[THR_DUAL_NEWLG    ] = 4;
             cpi->mode_check_freq[THR_DUAL_NEWLA    ] = 4;
             cpi->mode_check_freq[THR_DUAL_NEWGA    ] = 4;
-#endif /* CONFIG_DUALPRED */
 
             if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
             {
@@ -1178,11 +1168,9 @@
                 sf->thresh_mult[THR_NEWA     ] = 4000;
             }
 
-#if CONFIG_DUALPRED
             sf->thresh_mult[THR_DUAL_NEWLG    ] = 4000;
             sf->thresh_mult[THR_DUAL_NEWLA    ] = 4000;
             sf->thresh_mult[THR_DUAL_NEWGA    ] = 4000;
-#endif /* CONFIG_DUALPRED */
         }
 
         break;
@@ -1215,7 +1203,6 @@
         sf->thresh_mult[THR_SPLITA   ] = 10000;
         sf->search_method = NSTEP;
 
-#if CONFIG_DUALPRED
         sf->thresh_mult[THR_DUAL_ZEROLG   ] = 1000;
         sf->thresh_mult[THR_DUAL_NEARESTLG] = 1000;
         sf->thresh_mult[THR_DUAL_NEARLG   ] = 1000;
@@ -1229,7 +1216,6 @@
         sf->thresh_mult[THR_DUAL_NEWLG    ] = 2000;
         sf->thresh_mult[THR_DUAL_NEWLA    ] = 2000;
         sf->thresh_mult[THR_DUAL_NEWGA    ] = 2000;
-#endif /* CONFIG_DUALPRED */
 
         if (Speed > 0)
         {
@@ -1315,7 +1301,6 @@
                 sf->thresh_mult[THR_SPLITA   ] = 50000;
             }
 
-#if CONFIG_DUALPRED
             sf->thresh_mult[THR_DUAL_ZEROLG   ] = 2000;
             sf->thresh_mult[THR_DUAL_NEARESTLG] = 2000;
             sf->thresh_mult[THR_DUAL_NEARLG   ] = 2000;
@@ -1329,7 +1314,6 @@
             sf->thresh_mult[THR_DUAL_NEWLG    ] = 2500;
             sf->thresh_mult[THR_DUAL_NEWLA    ] = 2500;
             sf->thresh_mult[THR_DUAL_NEWGA    ] = 2500;
-#endif /* CONFIG_DUALPRED */
         }
 
         if (Speed > 2)
@@ -1353,7 +1337,6 @@
                 cpi->mode_check_freq[THR_NEWA] = 4;
             }
 
-#if CONFIG_DUALPRED
             cpi->mode_check_freq[THR_DUAL_NEARLG   ] = 2;
             cpi->mode_check_freq[THR_DUAL_NEARLA   ] = 2;
             cpi->mode_check_freq[THR_DUAL_NEARGA   ] = 2;
@@ -1360,7 +1343,6 @@
             cpi->mode_check_freq[THR_DUAL_NEWLG    ] = 4;
             cpi->mode_check_freq[THR_DUAL_NEWLA    ] = 4;
             cpi->mode_check_freq[THR_DUAL_NEWGA    ] = 4;
-#endif /* CONFIG_DUALPRED */
 
             sf->thresh_mult[THR_SPLITMV  ] = INT_MAX;
             sf->thresh_mult[THR_SPLITG  ] = INT_MAX;
@@ -1421,11 +1403,9 @@
                 sf->thresh_mult[THR_NEWA     ] = 4000;
             }
 
-#if CONFIG_DUALPRED
             sf->thresh_mult[THR_DUAL_NEWLG    ] = 4000;
             sf->thresh_mult[THR_DUAL_NEWLA    ] = 4000;
             sf->thresh_mult[THR_DUAL_NEWGA    ] = 4000;
-#endif /* CONFIG_DUALPRED */
         }
 
         if (Speed > 5)
@@ -1493,7 +1473,6 @@
                 sf->thresh_mult[THR_NEARA    ] = thresh;
             }
 
-#if CONFIG_DUALPRED
             sf->thresh_mult[THR_DUAL_ZEROLG   ] = thresh;
             sf->thresh_mult[THR_DUAL_NEARESTLG] = thresh;
             sf->thresh_mult[THR_DUAL_NEARLG   ] = thresh;
@@ -1507,7 +1486,6 @@
             sf->thresh_mult[THR_DUAL_NEWLG    ] = thresh << 1;
             sf->thresh_mult[THR_DUAL_NEWLA    ] = thresh << 1;
             sf->thresh_mult[THR_DUAL_NEWGA    ] = thresh << 1;
-#endif /* CONFIG_DUALPRED */
 
             // Disable other intra prediction modes
             sf->thresh_mult[THR_TM] = INT_MAX;
@@ -1545,7 +1523,6 @@
                 cpi->mode_check_freq[THR_NEWA] = 1 << (Tmp + 1);
             }
 
-#if CONFIG_DUALPRED
             cpi->mode_check_freq[THR_DUAL_ZEROLG   ] = 1 << (Tmp - 1);
             cpi->mode_check_freq[THR_DUAL_NEARESTLG] = 1 << (Tmp - 1);
             cpi->mode_check_freq[THR_DUAL_NEARLG   ] = 1 << Tmp;
@@ -1559,7 +1536,6 @@
             cpi->mode_check_freq[THR_DUAL_NEWLG    ] = 1 << (Tmp + 1);
             cpi->mode_check_freq[THR_DUAL_NEWLA    ] = 1 << (Tmp + 1);
             cpi->mode_check_freq[THR_DUAL_NEWGA    ] = 1 << (Tmp + 1);
-#endif /* CONFIG_DUALPRED */
 
             cpi->mode_check_freq[THR_NEWMV] = 1 << (Tmp - 1);
         }
@@ -1606,7 +1582,6 @@
         sf->thresh_mult[THR_SPLITA   ] = INT_MAX;
     }
 
-#if CONFIG_DUALPRED
     if ((cpi->ref_frame_flags & (VP8_LAST_FLAG | VP8_GOLD_FLAG)) != (VP8_LAST_FLAG | VP8_GOLD_FLAG))
     {
         sf->thresh_mult[THR_DUAL_ZEROLG   ] = INT_MAX;
@@ -1630,7 +1605,6 @@
         sf->thresh_mult[THR_DUAL_NEARGA   ] = INT_MAX;
         sf->thresh_mult[THR_DUAL_NEWGA    ] = INT_MAX;
     }
-#endif /* CONFIG_DUALPRED */
 
     // Slow quant, dct and trellis not worthwhile for first pass
     // so make sure they are always turned off.
@@ -2332,10 +2306,8 @@
     cm->prob_last_coded               = 128;
     cm->prob_gf_coded                 = 128;
     cm->prob_intra_coded              = 63;
-#if CONFIG_DUALPRED
     for ( i = 0; i < DUAL_PRED_CONTEXTS; i++ )
         cm->prob_dualpred[i]         = 128;
-#endif /* CONFIG_DUALPRED */
 
     // Prime the recent reference frame useage counters.
     // Hereafter they will be maintained as a sort of moving average
--- a/vp8/encoder/onyx_int.h
+++ b/vp8/encoder/onyx_int.h
@@ -42,11 +42,7 @@
 #define AF_THRESH   25
 #define AF_THRESH2  100
 #define ARF_DECAY_THRESH 12
-#if CONFIG_DUALPRED
 #define MAX_MODES 33
-#else /* CONFIG_DUALPRED */
-#define MAX_MODES 21
-#endif /* CONFIG_DUALPRED */
 
 #define MIN_THRESHMULT  32
 #define MAX_THRESHMULT  512
@@ -194,7 +190,6 @@
     THR_B_PRED         = 19,
     THR_I8X8_PRED      = 20,
 
-#if CONFIG_DUALPRED
     THR_DUAL_ZEROLG    = 21,
     THR_DUAL_NEARESTLG = 22,
     THR_DUAL_NEARLG    = 23,
@@ -210,7 +205,6 @@
     THR_DUAL_NEWLG     = 30,
     THR_DUAL_NEWLA     = 31,
     THR_DUAL_NEWGA     = 32,
-#endif /* CONFIG_DUALPRED */
 }
 THR_MODES;
 
@@ -362,12 +356,10 @@
     int rd_thresh_mult[MAX_MODES];
     int rd_baseline_thresh[MAX_MODES];
     int rd_threshes[MAX_MODES];
-#if CONFIG_DUALPRED
     int rd_single_diff, rd_dual_diff, rd_hybrid_diff;
     int rd_prediction_type_threshes[4][NB_PREDICTION_TYPES];
     int dual_pred_count[DUAL_PRED_CONTEXTS];
     int single_pred_count[DUAL_PRED_CONTEXTS];
-#endif /* CONFIG_DUALPRED */
 
     int RDMULT;
     int RDDIV ;
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -531,10 +531,8 @@
         if (best_rd <= cpi->rd_threshes[mode_index])
             continue;
 
-#if CONFIG_DUALPRED
         if (vp8_second_ref_frame_order[mode_index])
             continue;
-#endif /* CONFIG_DUALPRED */
 
         x->e_mbd.mode_info_context->mbmi.ref_frame = vp8_ref_frame_order[mode_index];
 
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -105,7 +105,6 @@
     B_PRED,
     I8X8_PRED,
 
-#if CONFIG_DUALPRED
     /* dual prediction modes */
     ZEROMV,
     NEARESTMV,
@@ -122,7 +121,6 @@
     NEWMV,
     NEWMV,
     NEWMV,
-#endif /* CONFIG_DUALPRED */
 };
 
 const MV_REFERENCE_FRAME vp8_ref_frame_order[MAX_MODES] =
@@ -157,7 +155,6 @@
     INTRA_FRAME,
     INTRA_FRAME,
 
-#if CONFIG_DUALPRED
     /* dual prediction modes */
     LAST_FRAME,
     LAST_FRAME,
@@ -174,10 +171,8 @@
     LAST_FRAME,
     ALTREF_FRAME,
     GOLDEN_FRAME,
-#endif /* CONFIG_DUALPRED */
 };
 
-#if CONFIG_DUALPRED
 const MV_REFERENCE_FRAME vp8_second_ref_frame_order[MAX_MODES] =
 {
     0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -201,7 +196,6 @@
     LAST_FRAME,
     ALTREF_FRAME,
 };
-#endif /* CONFIG_DUALPRED */
 
 static void fill_token_costs(
     unsigned int c      [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [MAX_ENTROPY_TOKENS],
@@ -2110,11 +2104,9 @@
     int distortion;
     int best_rd = INT_MAX;
     int best_intra_rd = INT_MAX;
-#if CONFIG_DUALPRED
     int best_dual_rd = INT_MAX;
     int best_single_rd = INT_MAX;
     int best_hybrid_rd = INT_MAX;
-#endif /* CONFIG_DUALPRED */
     int rate2, distortion2;
     int uv_intra_rate, uv_intra_distortion, uv_intra_rate_tokenonly;
     int rate_y, UNINITIALIZED_IS_SAFE(rate_uv);
@@ -2135,9 +2127,7 @@
     int_mv frame_nearest_mv[4];
     int_mv frame_near_mv[4];
     int_mv frame_best_ref_mv[4];
-#if CONFIG_DUALPRED
     int_mv mc_search_result[4];
-#endif /* CONFIG_DUALPRED */
     int frame_mdcounts[4][4];
     unsigned char *y_buffer[4];
     unsigned char *u_buffer[4];
@@ -2148,13 +2138,11 @@
     vpx_memset(&best_mbmode, 0, sizeof(best_mbmode));
     vpx_memset(&best_bmodes, 0, sizeof(best_bmodes));
 
-#if CONFIG_DUALPRED
     for (i = 0; i < 4; i++)
     {
 #define INVALID_MV 0x80008000
         mc_search_result[i].as_int = INVALID_MV;
     }
-#endif /* CONFIG_DUALPRED */
 
     if (cpi->ref_frame_flags & VP8_LAST_FLAG)
     {
@@ -2218,10 +2206,8 @@
         int this_rd = INT_MAX;
         int disable_skip = 0;
         int other_cost = 0;
-#if CONFIG_DUALPRED
         int dualmode_cost = 0;
         int mode_excluded = 0;
-#endif /* CONFIG_DUALPRED */
 
         // Experimental debug code.
         // Record of rd values recorded for this MB. -1 indicates not measured
@@ -2243,9 +2229,7 @@
         x->e_mbd.mode_info_context->mbmi.mode = this_mode;
         x->e_mbd.mode_info_context->mbmi.uv_mode = DC_PRED;
         x->e_mbd.mode_info_context->mbmi.ref_frame = vp8_ref_frame_order[mode_index];
-#if CONFIG_DUALPRED
         x->e_mbd.mode_info_context->mbmi.second_ref_frame = vp8_second_ref_frame_order[mode_index];
-#endif /* CONFIG_DUALPRED */
 
         // If the segment reference frame feature is enabled....
         // then do nothing if the current ref frame is not allowed..
@@ -2327,9 +2311,7 @@
             vp8_update_zbin_extra(cpi, x);
         }
 
-#if CONFIG_DUALPRED
         if (!x->e_mbd.mode_info_context->mbmi.second_ref_frame)
-#endif /* CONFIG_DUALPRED */
         switch (this_mode)
         {
         case B_PRED:
@@ -2569,9 +2551,7 @@
                                              &cpi->fn_ptr[BLOCK_16X16],
                                              x->mvcost, &dis, &sse);
             }
-#if CONFIG_DUALPRED
             mc_search_result[x->e_mbd.mode_info_context->mbmi.ref_frame].as_int = d->bmi.mv.as_int;
-#endif /* CONFIG_DUALPRED */
 
             mode_mv[NEWMV].as_int = d->bmi.mv.as_int;
 
@@ -2600,10 +2580,8 @@
             vp8_set_mbmode_and_mvs(x, this_mode, &mode_mv[this_mode]);
             vp8_build_inter16x16_predictors_mby(&x->e_mbd);
 
-#if CONFIG_DUALPRED
             dualmode_cost =
                 vp8_cost_bit( get_pred_prob( cm, xd, PRED_DUAL ), 0 );
-#endif /* CONFIG_DUALPRED */
 
             if (cpi->active_map_enabled && x->active_ptr[0] == 0) {
                 x->skip = 1;
@@ -2667,15 +2645,12 @@
             rd_inter16x16_uv(cpi, x, &rate_uv, &distortion_uv, cpi->common.full_pixel);
             rate2 += rate_uv;
             distortion2 += distortion_uv;
-#if CONFIG_DUALPRED
             mode_excluded = cpi->common.dual_pred_mode == DUAL_PREDICTION_ONLY;
-#endif /* CONFIG_DUALPRED */
             break;
 
         default:
             break;
         }
-#if CONFIG_DUALPRED
         else /* x->e_mbd.mode_info_context->mbmi.second_ref_frame != 0 */
         {
             int ref1 = x->e_mbd.mode_info_context->mbmi.ref_frame;
@@ -2760,7 +2735,6 @@
             dualmode_cost =
                 vp8_cost_bit( get_pred_prob( cm, xd, PRED_DUAL ), 1 );
         }
-#endif /* CONFIG_DUALPRED */
 
         // Where skip is allowable add in the default per mb cost for the no skip case.
         // where we then decide to skip we have to delete this and replace it with the
@@ -2772,12 +2746,10 @@
             rate2 += prob_skip_cost;
         }
 
-#if CONFIG_DUALPRED
         if (cpi->common.dual_pred_mode == HYBRID_PREDICTION)
         {
             rate2 += dualmode_cost;
         }
-#endif /* CONFIG_DUALPRED */
 
 
         // Estimate the reference frame signaling cost and add it
@@ -2833,7 +2805,6 @@
             *returnintra = distortion2 ;
         }
 
-#if CONFIG_DUALPRED
         if (!disable_skip &&
             (this_mode == SPLITMV || x->e_mbd.mode_info_context->mbmi.ref_frame == INTRA_FRAME))
         {
@@ -2844,15 +2815,12 @@
             if (this_rd < best_hybrid_rd)
                 best_hybrid_rd = this_rd;
         }
-#endif /* CONFIG_DUALPRED */
 
         // Did this mode help.. i.i is it the new best mode
         if (this_rd < best_rd || x->skip)
         {
-#if CONFIG_DUALPRED
             if (!mode_excluded)
             {
-#endif /* CONFIG_DUALPRED */
             // Note index of best mode so far
             best_mode_index = mode_index;
 
@@ -2882,9 +2850,7 @@
                 {
                     best_bmodes[i] = x->e_mbd.block[i].bmi;
                 }
-#if CONFIG_DUALPRED
             }
-#endif /* CONFIG_DUALPRED */
 
             // Testing this mode gave rise to an improvement in best error score. Lower threshold a bit for next time
             cpi->rd_thresh_mult[mode_index] = (cpi->rd_thresh_mult[mode_index] >= (MIN_THRESHMULT + 2)) ? cpi->rd_thresh_mult[mode_index] - 2 : MIN_THRESHMULT;
@@ -2902,7 +2868,6 @@
             cpi->rd_threshes[mode_index] = (cpi->rd_baseline_thresh[mode_index] >> 7) * cpi->rd_thresh_mult[mode_index];
         }
 
-#if CONFIG_DUALPRED
         /* keep record of best dual/single-only prediction */
         if (!disable_skip &&
             x->e_mbd.mode_info_context->mbmi.ref_frame != INTRA_FRAME &&
@@ -2942,7 +2907,6 @@
                 if (0) printf("hybrid rd [DMC: %d]: %d\n", best_hybrid_rd, hybrid_rd);
             }
         }
-#endif /* CONFIG_DUALPRED */
 
         if (x->skip)
             break;
@@ -2996,9 +2960,7 @@
                                         (cpi->common.mb_no_coeff_skip) ? 1 : 0;
         x->e_mbd.mode_info_context->mbmi.partitioning = 0;
 
-#if CONFIG_DUALPRED
         *best_single_rd_diff = *best_dual_rd_diff = *best_hybrid_rd_diff = 0;
-#endif /* CONFIG_DUALPRED */
 
         return;
     }
@@ -3034,11 +2996,9 @@
 
     rd_update_mvcount(cpi, x, &frame_best_ref_mv[xd->mode_info_context->mbmi.ref_frame]);
 
-#if CONFIG_DUALPRED
     *best_single_rd_diff = best_rd - best_single_rd;
     *best_dual_rd_diff   = best_rd - best_dual_rd;
     *best_hybrid_rd_diff = best_rd - best_hybrid_rd;
-#endif /* CONFIG_DUALPRED */
 }
 
 void vp8_rd_pick_intra_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate_)