shithub: libvpx

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clean out static analyzer warnings vp9_encodeframe.c

Change-Id: If14d2fc8cf4202d24f7d87ea74b8ce88a6a816d9

--- a/vp9/encoder/vp9_encodeframe.c

+++ b/vp9/encoder/vp9_encodeframe.c

@@ -345,7 +345,6 @@

                                       int mi_row, int mi_col,

                                       int output_enabled, int projected_rate) {

   VP9_COMMON *const cm = &cpi->common;

-  int target_rate = cpi->rc.sb64_target_rate << 8;   // convert to bits << 8

   const int mi_offset = mi_row * cm->mi_cols + mi_col;

   const int bw = num_8x8_blocks_wide_lookup[BLOCK_64X64];

@@ -362,7 +361,8 @@

   } else {

     // Rate depends on fraction of a SB64 in frame (xmis * ymis / bw * bh).

     // It is converted to bits * 256 units

-    target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) / (bw * bh);

+    const int target_rate = (cpi->rc.sb64_target_rate * xmis * ymis * 256) /

+                            (bw * bh);

     if (projected_rate < (target_rate / 4)) {

       segment = 2;

@@ -1980,7 +1980,11 @@

     restore_context(cpi, mi_row, mi_col, a, l, sa, sl, bsize);

   }

-

+  // TODO(jbb): This code added so that we avoid static analysis

+  // warning related to the fact that best_rd isn't used after this

+  // point.  This code should be refactored so that the duplicate

+  // checks occur in some sub function and thus are used...

+  (void) best_rd;

   *rate = best_rate;

   *dist = best_dist;