diff --git a/camera/photography/ICameraDeviceUser.cpp b/camera/photography/ICameraDeviceUser.cpp
new file mode 100644
index 0000000..0515bd7
--- /dev/null
+++ b/camera/photography/ICameraDeviceUser.cpp
@@ -0,0 +1,307 @@
+/*
+**
+** Copyright 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.
+*/
+
+// #define LOG_NDEBUG 0
+#define LOG_TAG "ICameraDeviceUser"
+#include <utils/Log.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <binder/Parcel.h>
+#include <camera/photography/ICameraDeviceUser.h>
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/Surface.h>
+#include <camera/CameraMetadata.h>
+#include <camera/photography/CaptureRequest.h>
+
+namespace android {
+
+typedef Parcel::WritableBlob WritableBlob;
+typedef Parcel::ReadableBlob ReadableBlob;
+
+enum {
+    DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
+    SUBMIT_REQUEST,
+    CANCEL_REQUEST,
+    DELETE_STREAM,
+    CREATE_STREAM,
+    CREATE_DEFAULT_REQUEST,
+    GET_CAMERA_INFO,
+};
+
+class BpCameraDeviceUser : public BpInterface<ICameraDeviceUser>
+{
+public:
+    BpCameraDeviceUser(const sp<IBinder>& impl)
+        : BpInterface<ICameraDeviceUser>(impl)
+    {
+    }
+
+    // disconnect from camera service
+    void disconnect()
+    {
+        ALOGV("disconnect");
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+        remote()->transact(DISCONNECT, data, &reply);
+        reply.readExceptionCode();
+    }
+
+    virtual int submitRequest(sp<CaptureRequest> request, bool streaming)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+
+        // arg0 = CaptureRequest
+        if (request != 0) {
+            data.writeInt32(1);
+            request->writeToParcel(&data);
+        } else {
+            data.writeInt32(0);
+        }
+
+        // arg1 = streaming (bool)
+        data.writeInt32(streaming);
+
+        remote()->transact(SUBMIT_REQUEST, data, &reply);
+
+        reply.readExceptionCode();
+        return reply.readInt32();
+    }
+
+    virtual status_t cancelRequest(int requestId)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+        data.writeInt32(requestId);
+
+        remote()->transact(CANCEL_REQUEST, data, &reply);
+
+        reply.readExceptionCode();
+        return reply.readInt32();
+    }
+
+    virtual status_t deleteStream(int streamId)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+        data.writeInt32(streamId);
+
+        remote()->transact(DELETE_STREAM, data, &reply);
+
+        reply.readExceptionCode();
+        return reply.readInt32();
+    }
+
+    virtual status_t createStream(int width, int height, int format,
+                          const sp<IGraphicBufferProducer>& bufferProducer)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+        data.writeInt32(width);
+        data.writeInt32(height);
+        data.writeInt32(format);
+
+        data.writeInt32(1); // marker that bufferProducer is not null
+        data.writeString16(String16("unknown_name")); // name of surface
+        sp<IBinder> b(bufferProducer->asBinder());
+        data.writeStrongBinder(b);
+
+        remote()->transact(CREATE_STREAM, data, &reply);
+
+        reply.readExceptionCode();
+        return reply.readInt32();
+    }
+
+    // Create a request object from a template.
+    virtual status_t createDefaultRequest(int templateId,
+                                          /*out*/
+                                          CameraMetadata* request)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+        data.writeInt32(templateId);
+        remote()->transact(CREATE_DEFAULT_REQUEST, data, &reply);
+
+        reply.readExceptionCode();
+        status_t result = reply.readInt32();
+
+        CameraMetadata out;
+        if (reply.readInt32() != 0) {
+            out.readFromParcel(&reply);
+        }
+
+        if (request != NULL) {
+            request->swap(out);
+        }
+        return result;
+    }
+
+
+    virtual status_t getCameraInfo(int cameraId, camera_metadata** info)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ICameraDeviceUser::getInterfaceDescriptor());
+        data.writeInt32(cameraId);
+        remote()->transact(GET_CAMERA_INFO, data, &reply);
+
+
+        reply.readExceptionCode();
+        status_t result = reply.readInt32();
+
+        if (reply.readInt32() != 0) {
+            CameraMetadata::readFromParcel(reply, /*out*/info);
+        } else if (info) {
+            *info = NULL;
+        }
+
+        return result;
+    }
+
+
+private:
+
+
+};
+
+IMPLEMENT_META_INTERFACE(CameraDeviceUser,
+                         "android.hardware.photography.ICameraDeviceUser");
+
+// ----------------------------------------------------------------------
+
+status_t BnCameraDeviceUser::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case DISCONNECT: {
+            ALOGV("DISCONNECT");
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+            disconnect();
+            reply->writeNoException();
+            return NO_ERROR;
+        } break;
+        case SUBMIT_REQUEST: {
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+
+            // arg0 = request
+            sp<CaptureRequest> request;
+            if (data.readInt32() != 0) {
+                request = new CaptureRequest();
+                request->readFromParcel(const_cast<Parcel*>(&data));
+            }
+
+            // arg1 = streaming (bool)
+            bool streaming = data.readInt32();
+
+            // return code: requestId (int32)
+            reply->writeNoException();
+            reply->writeInt32(submitRequest(request, streaming));
+
+            return NO_ERROR;
+        } break;
+        case CANCEL_REQUEST: {
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+            int requestId = data.readInt32();
+            reply->writeNoException();
+            reply->writeInt32(cancelRequest(requestId));
+            return NO_ERROR;
+        } break;
+        case DELETE_STREAM: {
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+            int streamId = data.readInt32();
+            reply->writeNoException();
+            reply->writeInt32(deleteStream(streamId));
+            return NO_ERROR;
+        } break;
+        case CREATE_STREAM: {
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+            int width, height, format;
+
+            width = data.readInt32();
+            ALOGV("%s: CREATE_STREAM: width = %d", __FUNCTION__, width);
+            height = data.readInt32();
+            ALOGV("%s: CREATE_STREAM: height = %d", __FUNCTION__, height);
+            format = data.readInt32();
+            ALOGV("%s: CREATE_STREAM: format = %d", __FUNCTION__, format);
+
+            sp<IGraphicBufferProducer> bp;
+            if (data.readInt32() != 0) {
+                String16 name = data.readString16();
+                bp = interface_cast<IGraphicBufferProducer>(
+                        data.readStrongBinder());
+
+                ALOGV("%s: CREATE_STREAM: bp = %p, name = %s", __FUNCTION__,
+                      bp.get(), String8(name).string());
+            } else {
+                ALOGV("%s: CREATE_STREAM: bp = unset, name = unset",
+                      __FUNCTION__);
+            }
+
+            status_t ret;
+            ret = createStream(width, height, format, bp);
+
+            reply->writeNoException();
+            ALOGV("%s: CREATE_STREAM: write noException", __FUNCTION__);
+            reply->writeInt32(ret);
+            ALOGV("%s: CREATE_STREAM: write ret = %d", __FUNCTION__, ret);
+
+            return NO_ERROR;
+        } break;
+
+        case CREATE_DEFAULT_REQUEST: {
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+
+            int templateId = data.readInt32();
+
+            CameraMetadata request;
+            status_t ret;
+            ret = createDefaultRequest(templateId, &request);
+
+            reply->writeNoException();
+            reply->writeInt32(ret);
+
+            reply->writeInt32(1); // to mark presence of metadata object
+            request.writeToParcel(const_cast<Parcel*>(reply));
+
+            return NO_ERROR;
+        } break;
+        case GET_CAMERA_INFO: {
+            CHECK_INTERFACE(ICameraDeviceUser, data, reply);
+
+            int cameraId = data.readInt32();
+
+            camera_metadata_t* info = NULL;
+            status_t ret;
+            ret = getCameraInfo(cameraId, &info);
+
+            reply->writeInt32(1); // to mark presence of metadata object
+            CameraMetadata::writeToParcel(*reply, info);
+
+            reply->writeNoException();
+            reply->writeInt32(ret);
+
+            free_camera_metadata(info);
+
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android