commit cde790c36dbd437415e7fc971b5c1016a52b31f7
author James Zern <jzern@google.com> Wed Aug 27 16:29:34 2014 -0700
committer James Zern <jzern@google.com> Wed Aug 27 16:55:31 2014 -0700
tree c04d2a4b49196daebc8f83e16042004ea0542674
parent 4f27202df70ab870b3af3140b312df6cb55db728

vp9: fix crash in inline loopfilter w/corrupt file

attempting to decode a frame after the previous frame failed has the
potential of interrupting an earlier loop filter task

Change-Id: I6f2b1ddcdf5b89c3e2ee8caf5289dada2a087d66

vp9/decoder/vp9_decodeframe.c

diff --git a/vp9/decoder/vp9_decodeframe.c b/vp9/decoder/vp9_decodeframe.c
index 572ab0e..72e5edf 100644
--- a/vp9/decoder/vp9_decodeframe.c
+++ b/vp9/decoder/vp9_decodeframe.c
@@ -813,6 +813,8 @@
 
   if (cm->lf.filter_level) {
     LFWorkerData *const lf_data = (LFWorkerData*)pbi->lf_worker.data1;
+    // Be sure to sync as we might be resuming after a failed frame decode.
+    winterface->sync(&pbi->lf_worker);
     lf_data->frame_buffer = get_frame_new_buffer(cm);
     lf_data->cm = cm;
     vp9_copy(lf_data->planes, pbi->mb.plane);