shithub: libvpx

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ref: 09c933ea804c37c4aa95c15a67769dcf1a27b5a1
parent: 4a2b684ef4b361b805be8e0db972cbe9b7e24752
author: Scott LaVarnway <slavarnway@google.com>
date: Tue Apr 19 07:42:15 EDT 2011 

Removed redundant checks of the mode_info_context flags

Code cleanup.  The build inter predictor functions are
redundantly checking the mode_info_context for either
INTRA_FRAME or SPLITMV.

Change-Id: I4d58c3a5192a4c2cec5c24ab1caf608bf13aebfb


--- a/vp8/common/reconinter.c
+++ b/vp8/common/reconinter.c
@@ -207,12 +207,12 @@
 }
 
 
+/*encoder only*/
 void vp8_build_inter_predictors_mbuv(MACROBLOCKD *x)
 {
     int i;
 
-    if (x->mode_info_context->mbmi.ref_frame != INTRA_FRAME &&
-        x->mode_info_context->mbmi.mode != SPLITMV)
+    if (x->mode_info_context->mbmi.mode != SPLITMV)
     {
         unsigned char *uptr, *vptr;
         unsigned char *upred_ptr = &x->predictor[256];
@@ -257,61 +257,25 @@
 }
 
 /*encoder only*/
-void vp8_build_inter_predictors_mby(MACROBLOCKD *x)
+void vp8_build_inter16x16_predictors_mby(MACROBLOCKD *x)
 {
+    unsigned char *ptr_base;
+    unsigned char *ptr;
+    unsigned char *pred_ptr = x->predictor;
+    int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
+    int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
+    int pre_stride = x->block[0].pre_stride;
 
-  if (x->mode_info_context->mbmi.ref_frame != INTRA_FRAME &&
-      x->mode_info_context->mbmi.mode != SPLITMV)
-    {
-        unsigned char *ptr_base;
-        unsigned char *ptr;
-        unsigned char *pred_ptr = x->predictor;
-        int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
-        int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
-        int pre_stride = x->block[0].pre_stride;
+    ptr_base = x->pre.y_buffer;
+    ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
 
-        ptr_base = x->pre.y_buffer;
-        ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
-
-        if ((mv_row | mv_col) & 7)
-        {
-            x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7, pred_ptr, 16);
-        }
-        else
-        {
-            RECON_INVOKE(&x->rtcd->recon, copy16x16)(ptr, pre_stride, pred_ptr, 16);
-        }
+    if ((mv_row | mv_col) & 7)
+    {
+        x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7, pred_ptr, 16);
     }
     else
     {
-        int i;
-
-        if (x->mode_info_context->mbmi.partitioning < 3)
-        {
-            for (i = 0; i < 4; i++)
-            {
-                BLOCKD *d = &x->block[bbb[i]];
-                build_inter_predictors4b(x, d, 16);
-            }
-
-        }
-        else
-        {
-            for (i = 0; i < 16; i += 2)
-            {
-                BLOCKD *d0 = &x->block[i];
-                BLOCKD *d1 = &x->block[i+1];
-
-                if (d0->bmi.mv.as_int == d1->bmi.mv.as_int)
-                    build_inter_predictors2b(x, d0, 16);
-                else
-                {
-                    vp8_build_inter_predictors_b(d0, 16, x->subpixel_predict);
-                    vp8_build_inter_predictors_b(d1, 16, x->subpixel_predict);
-                }
-
-            }
-        }
+        RECON_INVOKE(&x->rtcd->recon, copy16x16)(ptr, pre_stride, pred_ptr, 16);
     }
 }
 
@@ -318,8 +282,7 @@
 void vp8_build_inter_predictors_mb(MACROBLOCKD *x)
 {
 
-    if (x->mode_info_context->mbmi.ref_frame != INTRA_FRAME &&
-        x->mode_info_context->mbmi.mode != SPLITMV)
+    if (x->mode_info_context->mbmi.mode != SPLITMV)
     {
         int offset;
         unsigned char *ptr_base;
@@ -535,61 +498,61 @@
 
 
 
-void vp8_build_inter_predictors_mb_s(MACROBLOCKD *x)
+void vp8_build_inter16x16_predictors_mb_s(MACROBLOCKD *x)
 {
-    /*unsigned char *pred_ptr = x->block[0].predictor;
-    unsigned char *dst_ptr = *(x->block[0].base_dst) + x->block[0].dst;*/
-    unsigned char *pred_ptr = x->predictor;
     unsigned char *dst_ptr = x->dst.y_buffer;
 
-    if (x->mode_info_context->mbmi.mode != SPLITMV)
-    {
-        int offset;
-        unsigned char *ptr_base;
-        unsigned char *ptr;
-        unsigned char *uptr, *vptr;
-        /*unsigned char *pred_ptr = x->predictor;
-        unsigned char *upred_ptr = &x->predictor[256];
-        unsigned char *vpred_ptr = &x->predictor[320];*/
-        unsigned char *udst_ptr = x->dst.u_buffer;
-        unsigned char *vdst_ptr = x->dst.v_buffer;
+    int offset;
+    unsigned char *ptr_base;
+    unsigned char *ptr;
+    unsigned char *uptr, *vptr;
+    unsigned char *udst_ptr = x->dst.u_buffer;
+    unsigned char *vdst_ptr = x->dst.v_buffer;
 
-        int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
-        int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
-        int pre_stride = x->dst.y_stride; /*x->block[0].pre_stride;*/
+    int mv_row = x->mode_info_context->mbmi.mv.as_mv.row;
+    int mv_col = x->mode_info_context->mbmi.mv.as_mv.col;
+    int pre_stride = x->dst.y_stride; /*x->block[0].pre_stride;*/
 
-        ptr_base = x->pre.y_buffer;
-        ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
+    ptr_base = x->pre.y_buffer;
+    ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3);
 
-        if ((mv_row | mv_col) & 7)
-        {
-            x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
-        }
-        else
-        {
-            RECON_INVOKE(&x->rtcd->recon, copy16x16)(ptr, pre_stride, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
-        }
+    if ((mv_row | mv_col) & 7)
+    {
+        x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
+    }
+    else
+    {
+        RECON_INVOKE(&x->rtcd->recon, copy16x16)(ptr, pre_stride, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
+    }
 
-        mv_row = x->block[16].bmi.mv.as_mv.row;
-        mv_col = x->block[16].bmi.mv.as_mv.col;
-        pre_stride >>= 1;
-        offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
-        uptr = x->pre.u_buffer + offset;
-        vptr = x->pre.v_buffer + offset;
+    mv_row = x->block[16].bmi.mv.as_mv.row;
+    mv_col = x->block[16].bmi.mv.as_mv.col;
+    pre_stride >>= 1;
+    offset = (mv_row >> 3) * pre_stride + (mv_col >> 3);
+    uptr = x->pre.u_buffer + offset;
+    vptr = x->pre.v_buffer + offset;
 
-        if ((mv_row | mv_col) & 7)
-        {
-            x->subpixel_predict8x8(uptr, pre_stride, mv_col & 7, mv_row & 7, udst_ptr, x->dst.uv_stride);
-            x->subpixel_predict8x8(vptr, pre_stride, mv_col & 7, mv_row & 7, vdst_ptr, x->dst.uv_stride);
-        }
-        else
-        {
-            RECON_INVOKE(&x->rtcd->recon, copy8x8)(uptr, pre_stride, udst_ptr, x->dst.uv_stride);
-            RECON_INVOKE(&x->rtcd->recon, copy8x8)(vptr, pre_stride, vdst_ptr, x->dst.uv_stride);
-        }
+    if ((mv_row | mv_col) & 7)
+    {
+        x->subpixel_predict8x8(uptr, pre_stride, mv_col & 7, mv_row & 7, udst_ptr, x->dst.uv_stride);
+        x->subpixel_predict8x8(vptr, pre_stride, mv_col & 7, mv_row & 7, vdst_ptr, x->dst.uv_stride);
     }
     else
     {
+        RECON_INVOKE(&x->rtcd->recon, copy8x8)(uptr, pre_stride, udst_ptr, x->dst.uv_stride);
+        RECON_INVOKE(&x->rtcd->recon, copy8x8)(vptr, pre_stride, vdst_ptr, x->dst.uv_stride);
+    }
+}
+void vp8_build_inter_predictors_mb_s(MACROBLOCKD *x)
+{
+    unsigned char *dst_ptr = x->dst.y_buffer;
+
+    if (x->mode_info_context->mbmi.mode != SPLITMV)
+    {
+        vp8_build_inter16x16_predictors_mb_s(x);
+    }
+    else
+    {
         /* note: this whole ELSE part is not executed at all. So, no way to test the correctness of my modification. Later,
          * if sth is wrong, go back to what it is in build_inter_predictors_mb.
          */
@@ -599,26 +562,21 @@
         {
             for (i = 0; i < 4; i++)
             {
+                unsigned char *ptr_base;
+                unsigned char *ptr;
                 BLOCKD *d = &x->block[bbb[i]];
-                /*build_inter_predictors4b(x, d, 16);*/
 
-                {
-                    unsigned char *ptr_base;
-                    unsigned char *ptr;
-                    unsigned char *pred_ptr = d->predictor;
+                ptr_base = *(d->base_pre);
+                ptr = ptr_base + d->pre + (d->bmi.mv.as_mv.row >> 3) * d->pre_stride + (d->bmi.mv.as_mv.col >> 3);
 
-                    ptr_base = *(d->base_pre);
-                    ptr = ptr_base + d->pre + (d->bmi.mv.as_mv.row >> 3) * d->pre_stride + (d->bmi.mv.as_mv.col >> 3);
-
-                    if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
-                    {
-                        x->subpixel_predict8x8(ptr, d->pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
-                    }
-                    else
-                    {
-                        RECON_INVOKE(&x->rtcd->recon, copy8x8)(ptr, d->pre_stride, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
-                    }
+                if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7)
+                {
+                    x->subpixel_predict8x8(ptr, d->pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
                 }
+                else
+                {
+                    RECON_INVOKE(&x->rtcd->recon, copy8x8)(ptr, d->pre_stride, dst_ptr, x->dst.y_stride); /*x->block[0].dst_stride);*/
+                }
             }
         }
         else
@@ -633,7 +591,6 @@
                     /*build_inter_predictors2b(x, d0, 16);*/
                     unsigned char *ptr_base;
                     unsigned char *ptr;
-                    unsigned char *pred_ptr = d0->predictor;
 
                     ptr_base = *(d0->base_pre);
                     ptr = ptr_base + d0->pre + (d0->bmi.mv.as_mv.row >> 3) * d0->pre_stride + (d0->bmi.mv.as_mv.col >> 3);
@@ -665,7 +622,6 @@
                 /*build_inter_predictors2b(x, d0, 8);*/
                 unsigned char *ptr_base;
                 unsigned char *ptr;
-                unsigned char *pred_ptr = d0->predictor;
 
                 ptr_base = *(d0->base_pre);
                 ptr = ptr_base + d0->pre + (d0->bmi.mv.as_mv.row >> 3) * d0->pre_stride + (d0->bmi.mv.as_mv.col >> 3);
--- a/vp8/common/reconinter.h
+++ b/vp8/common/reconinter.h
@@ -14,8 +14,9 @@
 
 extern void vp8_build_inter_predictors_mb(MACROBLOCKD *x);
 extern void vp8_build_inter_predictors_mb_s(MACROBLOCKD *x);
+extern void vp8_build_inter16x16_predictors_mb_s(MACROBLOCKD *x);
 
-extern void vp8_build_inter_predictors_mby(MACROBLOCKD *x);
+extern void vp8_build_inter16x16_predictors_mby(MACROBLOCKD *x);
 extern void vp8_build_uvmvs(MACROBLOCKD *x, int fullpixel);
 extern void vp8_build_inter_predictors_b(BLOCKD *d, int pitch, vp8_subpix_fn_t sppf);
 extern void vp8_build_inter_predictors_mbuv(MACROBLOCKD *x);
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -120,7 +120,7 @@
     }
     else
     {
-        vp8_build_inter_predictors_mb_s(xd);
+        vp8_build_inter16x16_predictors_mb_s(xd);
     }
 }
 
--- a/vp8/decoder/threading.c
+++ b/vp8/decoder/threading.c
@@ -122,7 +122,7 @@
         }
         else
         {
-            vp8_build_inter_predictors_mb_s(xd);
+            vp8_build_inter16x16_predictors_mb_s(xd);
         }
         return;
     }
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -1391,7 +1391,7 @@
 
         }
         else
-            vp8_stuff_inter16x16(x);
+            vp8_build_inter_predictors_mb_s(xd);
     }
 
     if (!x->skip)
--- a/vp8/encoder/encodemb.c
+++ b/vp8/encoder/encodemb.c
@@ -196,40 +196,7 @@
 }
 
 
-void vp8_stuff_inter16x16(MACROBLOCK *x)
-{
-    vp8_build_inter_predictors_mb_s(&x->e_mbd);
-    /*
-        // recon = copy from predictors to destination
-        {
-            BLOCKD *b = &x->e_mbd.block[0];
-            unsigned char *pred_ptr = b->predictor;
-            unsigned char *dst_ptr = *(b->base_dst) + b->dst;
-            int stride = b->dst_stride;
 
-            int i;
-            for(i=0;i<16;i++)
-                vpx_memcpy(dst_ptr+i*stride,pred_ptr+16*i,16);
-
-            b = &x->e_mbd.block[16];
-            pred_ptr = b->predictor;
-            dst_ptr = *(b->base_dst) + b->dst;
-            stride = b->dst_stride;
-
-            for(i=0;i<8;i++)
-                vpx_memcpy(dst_ptr+i*stride,pred_ptr+8*i,8);
-
-            b = &x->e_mbd.block[20];
-            pred_ptr = b->predictor;
-            dst_ptr = *(b->base_dst) + b->dst;
-            stride = b->dst_stride;
-
-            for(i=0;i<8;i++)
-                vpx_memcpy(dst_ptr+i*stride,pred_ptr+8*i,8);
-        }
-    */
-}
-
 #define RDTRUNC(RM,DM,R,D) ( (128+(R)*(RM)) & 0xFF )
 
 typedef struct vp8_token_state vp8_token_state;
@@ -631,7 +598,7 @@
 /* this funciton is used by first pass only */
 void vp8_encode_inter16x16y(const VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x)
 {
-    vp8_build_inter_predictors_mby(&x->e_mbd);
+    vp8_build_inter16x16_predictors_mby(&x->e_mbd);
 
     ENCODEMB_INVOKE(&rtcd->encodemb, submby)(x->src_diff, x->src.y_buffer, x->e_mbd.predictor, x->src.y_stride);
 
--- a/vp8/encoder/encodemb.h
+++ b/vp8/encoder/encodemb.h
@@ -95,8 +95,6 @@
 struct VP8_ENCODER_RTCD;
 void vp8_encode_inter16x16(const struct VP8_ENCODER_RTCD *rtcd, MACROBLOCK *x);
 
-extern void vp8_stuff_inter16x16(MACROBLOCK *x);
-
 void vp8_build_dcblock(MACROBLOCK *b);
 void vp8_transform_mb(MACROBLOCK *mb);
 void vp8_transform_mbuv(MACROBLOCK *x);
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -2234,7 +2234,7 @@
                 continue;
 
             vp8_set_mbmode_and_mvs(x, this_mode, &mode_mv[this_mode]);
-            vp8_build_inter_predictors_mby(&x->e_mbd);
+            vp8_build_inter16x16_predictors_mby(&x->e_mbd);
 
             if (cpi->active_map_enabled && x->active_ptr[0] == 0) {
                 x->skip = 1;