55     : mDataSource(AMediaDataSource_new()) {  in NdkDataSource()
56     AMediaDataSource_setReadAt(mDataSource, dataSource->readAt);  in NdkDataSource()
57     AMediaDataSource_setGetSize(mDataSource, dataSource->getSize);  in NdkDataSource()
58     AMediaDataSource_setClose(mDataSource, dataSource->close);  in NdkDataSource()
59     AMediaDataSource_setUserdata(mDataSource, dataSource->userdata);  in NdkDataSource()
60     AMediaDataSource_setGetAvailableSize(mDataSource, dataSource->getAvailableSize);  in NdkDataSource()
61     mDataSource->mImpl = dataSource->mImpl;  in NdkDataSource()
62     mDataSource->mFlags = dataSource->mFlags;  in NdkDataSource()
66     AMediaDataSource_delete(mDataSource);  in ~NdkDataSource()
74     return mDataSource->mFlags;  in flags()
79     if (mDataSource->readAt == NULL || mDataSource->userdata == NULL) {  in readAt()
82     return mDataSource->readAt(mDataSource->userdata, offset, data, size);  in readAt()
87     if (mDataSource->getSize == NULL || mDataSource->userdata == NULL) {  in getSize()
91         *size = mDataSource->getSize(mDataSource->userdata);  in getSize()
105     if (mDataSource->close != NULL && mDataSource->userdata != NULL) {  in close()
106         mDataSource->close(mDataSource->userdata);  in close()
112     if (mDataSource->getAvailableSize != NULL  in getAvailableSize()
113             && mDataSource->userdata != NULL  in getAvailableSize()
115         size = mDataSource->getAvailableSize(mDataSource->userdata, offset);  in getAvailableSize()