1 files changed, 154 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.h b/services/camera/libcameraservice/api2/CameraDeviceClient.h
new file mode 100644
index 0000000..b9c16aa
--- /dev/null
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.h
@@ -0,0 +1,154 @@
+/*
+ * 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_CAMERA_PHOTOGRAPHY_CAMERADEVICECLIENT_H
+#define ANDROID_SERVERS_CAMERA_PHOTOGRAPHY_CAMERADEVICECLIENT_H
+
+#include <camera/camera2/ICameraDeviceUser.h>
+#include <camera/camera2/ICameraDeviceCallbacks.h>
+
+#include "CameraService.h"
+#include "common/FrameProcessorBase.h"
+#include "common/Camera2ClientBase.h"
+
+namespace android {
+
+struct CameraDeviceClientBase :
+        public CameraService::BasicClient, public BnCameraDeviceUser
+{
+    typedef ICameraDeviceCallbacks TCamCallbacks;
+
+    const sp<ICameraDeviceCallbacks>& getRemoteCallback() {
+        return mRemoteCallback;
+    }
+
+protected:
+    CameraDeviceClientBase(const sp<CameraService>& cameraService,
+            const sp<ICameraDeviceCallbacks>& remoteCallback,
+            const String16& clientPackageName,
+            int cameraId,
+            int cameraFacing,
+            int clientPid,
+            uid_t clientUid,
+            int servicePid);
+
+    sp<ICameraDeviceCallbacks> mRemoteCallback;
+};
+
+/**
+ * Implements the binder ICameraDeviceUser API,
+ * meant for HAL3-public implementation of
+ * android.hardware.photography.CameraDevice
+ */
+class CameraDeviceClient :
+        public Camera2ClientBase<CameraDeviceClientBase>,
+        public camera2::FrameProcessorBase::FilteredListener
+{
+public:
+    /**
+     * ICameraDeviceUser interface (see ICameraDeviceUser for details)
+     */
+
+    // Note that the callee gets a copy of the metadata.
+    virtual int           submitRequest(sp<CaptureRequest> request,
+                                        bool streaming = false);
+    virtual status_t      cancelRequest(int requestId);
+
+    // Returns -EBUSY if device is not idle
+    virtual status_t      deleteStream(int streamId);
+
+    virtual status_t      createStream(
+            int width,
+            int height,
+            int format,
+            const sp<IGraphicBufferProducer>& bufferProducer);
+
+    // Create a request object from a template.
+    virtual status_t      createDefaultRequest(int templateId,
+                                               /*out*/
+                                               CameraMetadata* request);
+
+    // Get the static metadata for the camera
+    // -- Caller owns the newly allocated metadata
+    virtual status_t      getCameraInfo(/*out*/CameraMetadata* info);
+
+    // Wait until all the submitted requests have finished processing
+    virtual status_t      waitUntilIdle();
+
+    // Flush all active and pending requests as fast as possible
+    virtual status_t      flush();
+
+    /**
+     * Interface used by CameraService
+     */
+
+    CameraDeviceClient(const sp<CameraService>& cameraService,
+            const sp<ICameraDeviceCallbacks>& remoteCallback,
+            const String16& clientPackageName,
+            int cameraId,
+            int cameraFacing,
+            int clientPid,
+            uid_t clientUid,
+            int servicePid);
+    virtual ~CameraDeviceClient();
+
+    virtual status_t      initialize(camera_module_t *module);
+
+    virtual status_t      dump(int fd, const Vector<String16>& args);
+
+    /**
+     * Device listener interface
+     */
+
+    virtual void notifyIdle();
+    virtual void notifyError();
+    virtual void notifyShutter(int requestId, nsecs_t timestamp);
+
+    /**
+     * Interface used by independent components of CameraDeviceClient.
+     */
+protected:
+    /** FilteredListener implementation **/
+    virtual void          onFrameAvailable(int32_t requestId,
+                                           const CameraMetadata& frame);
+    virtual void          detachDevice();
+
+    // Calculate the ANativeWindow transform from android.sensor.orientation
+    status_t              getRotationTransformLocked(/*out*/int32_t* transform);
+
+private:
+    /** ICameraDeviceUser interface-related private members */
+
+    /** Preview callback related members */
+    sp<camera2::FrameProcessorBase> mFrameProcessor;
+    static const int32_t FRAME_PROCESSOR_LISTENER_MIN_ID = 0;
+    static const int32_t FRAME_PROCESSOR_LISTENER_MAX_ID = 0x7fffffffL;
+
+    /** Utility members */
+    bool enforceRequestPermissions(CameraMetadata& metadata);
+
+    // IGraphicsBufferProducer binder -> Stream ID
+    KeyedVector<sp<IBinder>, int> mStreamMap;
+
+    // Stream ID
+    Vector<int> mStreamingRequestList;
+
+    int32_t mRequestIdCounter;
+};
+
+}; // namespace android
+
+#endif