shithub: libvpx

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vp9: sync workers at the start of decode_tiles_mt()

prevents any problems resuming decode after decoding a corrupt frame

Change-Id: Ib7eb1b5c062aebe71074fef1ece32a32822c16be

--- a/vp9/decoder/vp9_decodeframe.c

+++ b/vp9/decoder/vp9_decodeframe.c

@@ -994,6 +994,7 @@

   // Reset tile decoding hook

   for (n = 0; n < num_workers; ++n) {

+    winterface->sync(&pbi->tile_workers[n]);

     pbi->tile_workers[n].hook = (VP9WorkerHook)tile_worker_hook;

   }