1 files changed, 46 insertions, 0 deletions
diff --git a/include/media/stagefright/BufferProducerWrapper.h b/include/media/stagefright/BufferProducerWrapper.h
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+++ b/include/media/stagefright/BufferProducerWrapper.h
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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef BUFFER_PRODUCER_WRAPPER_H_
+
+#define BUFFER_PRODUCER_WRAPPER_H_
+
+#include <gui/IGraphicBufferProducer.h>
+
+namespace android {
+
+// Can't use static_cast to cast a RefBase back to an IGraphicBufferProducer,
+// because IGBP's parent (IInterface) uses virtual inheritance.  This class
+// wraps IGBP while we pass it through AMessage.
+
+struct BufferProducerWrapper : RefBase {
+    BufferProducerWrapper(
+            const sp<IGraphicBufferProducer>& bufferProducer) :
+        mBufferProducer(bufferProducer) { }
+
+    sp<IGraphicBufferProducer> getBufferProducer() const {
+        return mBufferProducer;
+    }
+
+private:
+    const sp<IGraphicBufferProducer> mBufferProducer;
+
+    DISALLOW_EVIL_CONSTRUCTORS(BufferProducerWrapper);
+};
+
+}  // namespace android
+
+#endif  // BUFFER_PRODUCER_WRAPPER_H_