diff --git a/include/media/IStreamSource.h b/include/media/IStreamSource.h
new file mode 100644
index 0000000..6291124
--- /dev/null
+++ b/include/media/IStreamSource.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2010 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 ANDROID_ISTREAMSOURCE_H_
+
+#define ANDROID_ISTREAMSOURCE_H_
+
+#include <binder/IInterface.h>
+
+namespace android {
+
+struct IMemory;
+struct IStreamListener;
+
+struct IStreamSource : public IInterface {
+    DECLARE_META_INTERFACE(StreamSource);
+
+    virtual void setListener(const sp<IStreamListener> &listener) = 0;
+    virtual void setBuffers(const Vector<sp<IMemory> > &buffers) = 0;
+
+    virtual void onBufferAvailable(size_t index) = 0;
+};
+
+struct IStreamListener : public IInterface {
+    DECLARE_META_INTERFACE(StreamListener);
+
+    enum Command {
+        FLUSH,
+        DISCONTINUITY,
+        EOS
+    };
+
+    virtual void queueBuffer(size_t index, size_t size) = 0;
+    virtual void queueCommand(Command cmd) = 0;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+struct BnStreamSource : public BnInterface<IStreamSource> {
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+struct BnStreamListener : public BnInterface<IStreamListener> {
+    virtual status_t onTransact(
+            uint32_t code, const Parcel &data, Parcel *reply,
+            uint32_t flags = 0);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_ISTREAMSOURCE_H_