bufferpool2.0: Implement buffer invalidation
Change-Id: If7a4a38004f50b4d43a2fae4781f541fe322c249
diff --git a/media/bufferpool/2.0/Accessor.h b/media/bufferpool/2.0/Accessor.h
index a718da1..4b5b17a 100644
--- a/media/bufferpool/2.0/Accessor.h
+++ b/media/bufferpool/2.0/Accessor.h
@@ -95,6 +95,9 @@
/** Returns whether the accessor is valid. */
bool isValid();
+ /** Invalidates all buffers which are owned by bufferpool */
+ ResultStatus flush();
+
/** Allocates a buffer from a buffer pool.
*
* @param connectionId the connection id of the client.
@@ -135,20 +138,28 @@
* created connection in order to communicate with the buffer pool. An
* FMQ for buffer status message is also created for the client.
*
- * @param connection created connection
- * @param pConnectionId the id of the created connection
- * @param fmqDescPtr FMQ descriptor for shared buffer status message
- * queue between a buffer pool and the client.
+ * @param observer client observer for buffer invalidation
* @param local true when a connection request comes from local process,
* false otherwise.
+ * @param connection created connection
+ * @param pConnectionId the id of the created connection
+ * @param pMsgId the id of the recent buffer pool message
+ * @param statusDescPtr FMQ descriptor for shared buffer status message
+ * queue between a buffer pool and the client.
+ * @param invDescPtr FMQ descriptor for buffer invalidation message
+ * queue from a buffer pool to the client.
*
* @return OK when a connection is successfully made.
* NO_MEMORY when there is no memory.
* CRITICAL_ERROR otherwise.
*/
ResultStatus connect(
+ const sp<IObserver>& observer,
+ bool local,
sp<Connection> *connection, ConnectionId *pConnectionId,
- const StatusDescriptor** fmqDescPtr, bool local);
+ uint32_t *pMsgId,
+ const StatusDescriptor** statusDescPtr,
+ const InvalidationDescriptor** invDescPtr);
/**
* Closes the specified connection to the client.
@@ -176,7 +187,7 @@
private:
class Impl;
- std::unique_ptr<Impl> mImpl;
+ std::shared_ptr<Impl> mImpl;
};
} // namespace implementation