Fix mode selection infinite loop bug

Mode selection for SBs could enter an infinite loop because
the interpolation filter mode index was not being reset
correctly.

Change-Id: I4bbe726f29ef5b6836e94884067c46084713cc11

diff --git a/vp9/encoder/vp9_rdopt.c b/vp9/encoder/vp9_rdopt.c
index 282bf0c..774b577 100644 (file)
--- a/vp9/encoder/vp9_rdopt.c
+++ b/vp9/encoder/vp9_rdopt.c
@@ -4605,6 +4605,7 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
     // Test best rd so far against threshold for trying this mode.
     if (best_rd <= cpi->rd_threshes[mode_index] ||
         cpi->rd_threshes[mode_index] == INT_MAX) {
+      switchable_filter_index = 0;
       continue;
     }