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diff --git a/services/camera/libcameraservice/device3/Camera3InputStream.h b/services/camera/libcameraservice/device3/Camera3InputStream.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 ANDROID_SERVERS_CAMERA3_INPUT_STREAM_H
+#define ANDROID_SERVERS_CAMERA3_INPUT_STREAM_H
+
+#include <utils/RefBase.h>
+#include <gui/Surface.h>
+#include <gui/BufferItemConsumer.h>
+
+#include "Camera3IOStreamBase.h"
+
+namespace android {
+
+namespace camera3 {
+
+/**
+ * A class for managing a single stream of input data to the camera device.
+ *
+ * This class serves as a consumer adapter for the HAL, and will consume the
+ * buffers by feeding them into the HAL, as well as releasing the buffers back
+ * the buffers once the HAL is done with them.
+ */
+class Camera3InputStream : public Camera3IOStreamBase {
+  public:
+    /**
+     * Set up a stream for formats that have fixed size, such as RAW and YUV.
+     */
+    Camera3InputStream(int id, uint32_t width, uint32_t height, int format);
+    ~Camera3InputStream();
+
+    virtual void     dump(int fd, const Vector<String16> &args) const;
+
+  private:
+
+    typedef BufferItemConsumer::BufferItem BufferItem;
+
+    sp<BufferItemConsumer> mConsumer;
+    Vector<BufferItem> mBuffersInFlight;
+
+    /**
+     * Camera3IOStreamBase
+     */
+    virtual status_t returnBufferCheckedLocked(
+            const camera3_stream_buffer &buffer,
+            nsecs_t timestamp,
+            bool output,
+            /*out*/
+            sp<Fence> *releaseFenceOut);
+
+    /**
+     * Camera3Stream interface
+     */
+
+    virtual status_t getInputBufferLocked(camera3_stream_buffer *buffer);
+    virtual status_t returnInputBufferLocked(
+            const camera3_stream_buffer &buffer);
+    virtual status_t disconnectLocked();
+
+    virtual status_t configureQueueLocked();
+
+    virtual status_t getEndpointUsage(uint32_t *usage);
+
+}; // class Camera3InputStream
+
+}; // namespace camera3
+
+}; // namespace android
+
+#endif