Roll latest libvpx to fix hang when doing adaptive playback.

VP9 decoder will hang when switching from frames with 2 tiles to
4 tiles on a 4 core device.

libvpx hash:4fffefe189a9123d4b04482c26a1be5eb632b397

Bug: 13931133
Change-Id: I24a51fd572ca7e872bc440491e2c645a20e9a736

1 files changed, 8 insertions, 0 deletions

diff --git a/libvpx/third_party/libwebm/mkvreader.hpp b/libvpx/third_party/libwebm/mkvreader.hpp
index adcc29f..8ebdd99 100644
--- a/libvpx/third_party/libwebm/mkvreader.hpp
+++ b/libvpx/third_party/libwebm/mkvreader.hpp
@@ -21,6 +21,7 @@ class MkvReader : public IMkvReader
     MkvReader& operator=(const MkvReader&);
 public:
     MkvReader();
+    MkvReader(FILE* fp);
     virtual ~MkvReader();
 
     int Open(const char*);
@@ -29,8 +30,15 @@ public:
     virtual int Read(long long position, long length, unsigned char* buffer);
     virtual int Length(long long* total, long long* available);
 private:
+
+    // Determines the size of the file. This is called either by the constructor
+    // or by the Open function depending on file ownership. Returns true on
+    // success.
+    bool GetFileSize();
+
     long long m_length;
     FILE* m_file;
+    bool reader_owns_file_;
 };
 
 }  //end namespace mkvparser