rdopt/pickinter: factor out some common setup

Add new get_predictor_pointers() and get_reference_search_order()
functions for code shared between the two implementations.

Change-Id: I1ebe76aa8f168b1f5cfabc00d05d8f19a0d4d207

diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
index 31101d1..592da9d 100644 (file)
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -491,10 +491,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
     int saddone=0;
     int sr=0;    //search range got from mv_pred(). It uses step_param levels. (0-7)
 
-    unsigned char *y_buffer[4];
-    unsigned char *u_buffer[4];
-    unsigned char *v_buffer[4];
-    int i;
+    unsigned char *plane[4][3];
     int ref_frame_map[4];
     int sign_bias = 0;
 
@@ -516,16 +513,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
     vpx_memset(&best_mbmode, 0, sizeof(best_mbmode));
 
     /* Setup search priorities */
-    i=0;
-    ref_frame_map[i++] = INTRA_FRAME;
-    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
-        ref_frame_map[i++] = LAST_FRAME;
-    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
-        ref_frame_map[i++] = GOLDEN_FRAME;
-    if (cpi->ref_frame_flags & VP8_ALT_FLAG) // &&(cpi->source_alt_ref_active || cpi->oxcf.number_of_layers > 1)
-        ref_frame_map[i++] = ALTREF_FRAME;
-    for(; i<4; i++)
-        ref_frame_map[i] = -1;
+    get_reference_search_order(cpi, ref_frame_map);
 
     /* Check to see if there is at least 1 valid reference frame that we need
      * to calculate near_mvs.
@@ -543,30 +531,7 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
         sign_bias = cpi->common.ref_frame_sign_bias[ref_frame_map[1]];
     }
 
-    // set up all the refframe dependent pointers.
-    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
-    {
-        YV12_BUFFER_CONFIG *lst_yv12 = &cpi->common.yv12_fb[cpi->common.lst_fb_idx];
-        y_buffer[LAST_FRAME] = lst_yv12->y_buffer + recon_yoffset;
-        u_buffer[LAST_FRAME] = lst_yv12->u_buffer + recon_uvoffset;
-        v_buffer[LAST_FRAME] = lst_yv12->v_buffer + recon_uvoffset;
-    }
-
-    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
-    {
-        YV12_BUFFER_CONFIG *gld_yv12 = &cpi->common.yv12_fb[cpi->common.gld_fb_idx];
-        y_buffer[GOLDEN_FRAME] = gld_yv12->y_buffer + recon_yoffset;
-        u_buffer[GOLDEN_FRAME] = gld_yv12->u_buffer + recon_uvoffset;
-        v_buffer[GOLDEN_FRAME] = gld_yv12->v_buffer + recon_uvoffset;
-    }
-
-    if (cpi->ref_frame_flags & VP8_ALT_FLAG)
-    {
-        YV12_BUFFER_CONFIG *alt_yv12 = &cpi->common.yv12_fb[cpi->common.alt_fb_idx];
-        y_buffer[ALTREF_FRAME] = alt_yv12->y_buffer + recon_yoffset;
-        u_buffer[ALTREF_FRAME] = alt_yv12->u_buffer + recon_uvoffset;
-        v_buffer[ALTREF_FRAME] = alt_yv12->v_buffer + recon_uvoffset;
-    }
+    get_predictor_pointers(cpi, plane, recon_yoffset, recon_uvoffset);
 
     cpi->mbs_tested_so_far++; // Count of the number of MBs tested so far this frame
 
@@ -610,9 +575,9 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
         // everything but intra
         if (x->e_mbd.mode_info_context->mbmi.ref_frame)
         {
-            x->e_mbd.pre.y_buffer = y_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame];
-            x->e_mbd.pre.u_buffer = u_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame];
-            x->e_mbd.pre.v_buffer = v_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame];
+            x->e_mbd.pre.y_buffer = plane[this_ref_frame][0];
+            x->e_mbd.pre.u_buffer = plane[this_ref_frame][1];
+            x->e_mbd.pre.v_buffer = plane[this_ref_frame][2];
 
             if (sign_bias !=
                 cpi->common.ref_frame_sign_bias[x->e_mbd.mode_info_context->mbmi.ref_frame])

diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index 9daeae0..726d3c4 100644 (file)
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -1716,6 +1716,7 @@ static void rd_update_mvcount(VP8_COMP *cpi, MACROBLOCK *x, int_mv *best_ref_mv)
     }
 }
 
+
 void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
                             int recon_uvoffset, int *returnrate,
                             int *returndistortion, int *returnintra)
@@ -1751,9 +1752,7 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
     int saddone=0;
     int sr=0;    //search range got from mv_pred(). It uses step_param levels. (0-7)
 
-    unsigned char *y_buffer[4];
-    unsigned char *u_buffer[4];
-    unsigned char *v_buffer[4];
+    unsigned char *plane[4][3];
     int ref_frame_map[4];
     int sign_bias = 0;
 
@@ -1762,16 +1761,7 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
     vpx_memset(&best_bmodes, 0, sizeof(best_bmodes));
 
     /* Setup search priorities */
-    i=0;
-    ref_frame_map[i++] = INTRA_FRAME;
-    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
-        ref_frame_map[i++] = LAST_FRAME;
-    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
-        ref_frame_map[i++] = GOLDEN_FRAME;
-    if (cpi->ref_frame_flags & VP8_ALT_FLAG)
-        ref_frame_map[i++] = ALTREF_FRAME;
-    for(; i<4; i++)
-        ref_frame_map[i] = -1;
+    get_reference_search_order(cpi, ref_frame_map);
 
     /* Check to see if there is at least 1 valid reference frame that we need
      * to calculate near_mvs.
@@ -1789,32 +1779,7 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
         sign_bias = cpi->common.ref_frame_sign_bias[ref_frame_map[1]];
     }
 
-    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
-    {
-        YV12_BUFFER_CONFIG *lst_yv12 = &cpi->common.yv12_fb[cpi->common.lst_fb_idx];
-
-        y_buffer[LAST_FRAME] = lst_yv12->y_buffer + recon_yoffset;
-        u_buffer[LAST_FRAME] = lst_yv12->u_buffer + recon_uvoffset;
-        v_buffer[LAST_FRAME] = lst_yv12->v_buffer + recon_uvoffset;
-    }
-
-    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
-    {
-        YV12_BUFFER_CONFIG *gld_yv12 = &cpi->common.yv12_fb[cpi->common.gld_fb_idx];
-
-        y_buffer[GOLDEN_FRAME] = gld_yv12->y_buffer + recon_yoffset;
-        u_buffer[GOLDEN_FRAME] = gld_yv12->u_buffer + recon_uvoffset;
-        v_buffer[GOLDEN_FRAME] = gld_yv12->v_buffer + recon_uvoffset;
-    }
-
-    if (cpi->ref_frame_flags & VP8_ALT_FLAG)
-    {
-        YV12_BUFFER_CONFIG *alt_yv12 = &cpi->common.yv12_fb[cpi->common.alt_fb_idx];
-
-        y_buffer[ALTREF_FRAME] = alt_yv12->y_buffer + recon_yoffset;
-        u_buffer[ALTREF_FRAME] = alt_yv12->u_buffer + recon_uvoffset;
-        v_buffer[ALTREF_FRAME] = alt_yv12->v_buffer + recon_uvoffset;
-    }
+    get_predictor_pointers(cpi, plane, recon_yoffset, recon_uvoffset);
 
     *returnintra = INT_MAX;
     cpi->mbs_tested_so_far++;          // Count of the number of MBs tested so far this frame
@@ -1861,9 +1826,9 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
         /* everything but intra */
         if (x->e_mbd.mode_info_context->mbmi.ref_frame)
         {
-            x->e_mbd.pre.y_buffer = y_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame];
-            x->e_mbd.pre.u_buffer = u_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame];
-            x->e_mbd.pre.v_buffer = v_buffer[x->e_mbd.mode_info_context->mbmi.ref_frame];
+            x->e_mbd.pre.y_buffer = plane[this_ref_frame][0];
+            x->e_mbd.pre.u_buffer = plane[this_ref_frame][1];
+            x->e_mbd.pre.v_buffer = plane[this_ref_frame][2];
 
             if (sign_bias !=
                 cpi->common.ref_frame_sign_bias[x->e_mbd.mode_info_context->mbmi.ref_frame])

diff --git a/vp8/encoder/rdopt.h b/vp8/encoder/rdopt.h
index 5ee8699..c93a69f 100644 (file)
--- a/vp8/encoder/rdopt.h
+++ b/vp8/encoder/rdopt.h
@@ -69,6 +69,54 @@ extern void vp8_initialize_rd_consts(VP8_COMP *cpi, int Qvalue);
 extern void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *returnrate, int *returndistortion, int *returnintra);
 extern void vp8_rd_pick_intra_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate);
 
+
+static void get_plane_pointers(const YV12_BUFFER_CONFIG *fb,
+                               unsigned char            *plane[3],
+                               unsigned int              recon_yoffset,
+                               unsigned int              recon_uvoffset)
+{
+    plane[0] = fb->y_buffer + recon_yoffset;
+    plane[1] = fb->u_buffer + recon_uvoffset;
+    plane[2] = fb->u_buffer + recon_uvoffset;
+}
+
+
+static void get_predictor_pointers(const VP8_COMP *cpi,
+                                       unsigned char  *plane[4][3],
+                                       unsigned int    recon_yoffset,
+                                       unsigned int    recon_uvoffset)
+{
+    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
+        get_plane_pointers(&cpi->common.yv12_fb[cpi->common.lst_fb_idx],
+                           plane[LAST_FRAME], recon_yoffset, recon_uvoffset);
+
+    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
+        get_plane_pointers(&cpi->common.yv12_fb[cpi->common.gld_fb_idx],
+                           plane[GOLDEN_FRAME], recon_yoffset, recon_uvoffset);
+
+    if (cpi->ref_frame_flags & VP8_ALT_FLAG)
+        get_plane_pointers(&cpi->common.yv12_fb[cpi->common.alt_fb_idx],
+                           plane[ALTREF_FRAME], recon_yoffset, recon_uvoffset);
+}
+
+
+static void get_reference_search_order(const VP8_COMP *cpi,
+                                           int             ref_frame_map[4])
+{
+    int i=0;
+
+    ref_frame_map[i++] = INTRA_FRAME;
+    if (cpi->ref_frame_flags & VP8_LAST_FLAG)
+        ref_frame_map[i++] = LAST_FRAME;
+    if (cpi->ref_frame_flags & VP8_GOLD_FLAG)
+        ref_frame_map[i++] = GOLDEN_FRAME;
+    if (cpi->ref_frame_flags & VP8_ALT_FLAG)
+        ref_frame_map[i++] = ALTREF_FRAME;
+    for(; i<4; i++)
+        ref_frame_map[i] = -1;
+}
+
+
 extern void vp8_mv_pred
 (
     VP8_COMP *cpi,