GenericSource: Synchronize access to dataSource

DataSource and HTTPSource can be accessed/modified by
GenericSource's looper and Client's thread which can
lead to race conditions when copying the sp<>.
Add a Mutex lock to synchronize such accesses and avoid
race conditions.

CRs-Fixed: 906899
Change-Id: I2fb4b4a7079e638e151f4fe67a780007a4011652

1 files changed, 1 insertions, 0 deletions

diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.h b/media/libmediaplayerservice/nuplayer/GenericSource.h
index ebc1fdc..c1d6e3e 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.h
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.h
@@ -137,6 +137,7 @@ protected:
     int64_t mOffset;
     int64_t mLength;
 
+    Mutex mSourceLock;
     sp<DataSource> mDataSource;
     sp<NuCachedSource2> mCachedSource;
     sp<DataSource> mHttpSource;