1 files changed, 133 insertions, 0 deletions
diff --git a/services/camera/libcameraservice/Camera3Device.h b/services/camera/libcameraservice/Camera3Device.h
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+++ b/services/camera/libcameraservice/Camera3Device.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_CAMERA_CAMERA3DEVICE_H
+#define ANDROID_SERVERS_CAMERA_CAMERA3DEVICE_H
+
+#include <utils/Condition.h>
+#include <utils/Errors.h>
+#include <utils/List.h>
+#include <utils/Mutex.h>
+#include <utils/Thread.h>
+
+#include "CameraDeviceBase.h"
+
+#include "hardware/camera3.h"
+
+/**
+ * Function pointer types with C calling convention to
+ * use for HAL callback functions.
+ */
+extern "C" {
+    typedef void (callbacks_process_capture_result_t)(
+        const struct camera3_callback_ops *,
+        const camera3_capture_result_t *);
+
+    typedef void (callbacks_notify_t)(
+        const struct camera3_callback_ops *,
+        const camera3_notify_msg_t *);
+}
+
+namespace android {
+
+/**
+ * CameraDevice for HAL devices with version CAMERA_DEVICE_API_VERSION_3_0
+ */
+class Camera3Device :
+            public CameraDeviceBase,
+            private camera3_callback_ops {
+  public:
+    Camera3Device(int id);
+
+    virtual ~Camera3Device();
+
+    /**
+     * CameraDevice interface
+     */
+    virtual status_t initialize(camera_module_t *module);
+    virtual status_t disconnect();
+    virtual status_t dump(int fd, const Vector<String16> &args);
+    virtual const CameraMetadata& info() const;
+    virtual status_t capture(CameraMetadata &request);
+    virtual status_t setStreamingRequest(const CameraMetadata &request);
+    virtual status_t clearStreamingRequest();
+    virtual status_t waitUntilRequestReceived(int32_t requestId, nsecs_t timeout);
+    virtual status_t createStream(sp<ANativeWindow> consumer,
+            uint32_t width, uint32_t height, int format, size_t size,
+            int *id);
+    virtual status_t createReprocessStreamFromStream(int outputId, int *id);
+    virtual status_t getStreamInfo(int id,
+            uint32_t *width, uint32_t *height, uint32_t *format);
+    virtual status_t setStreamTransform(int id, int transform);
+    virtual status_t deleteStream(int id);
+    virtual status_t deleteReprocessStream(int id);
+    virtual status_t createDefaultRequest(int templateId, CameraMetadata *request);
+    virtual status_t waitUntilDrained();
+    virtual status_t setNotifyCallback(NotificationListener *listener);
+    virtual status_t waitForNextFrame(nsecs_t timeout);
+    virtual status_t getNextFrame(CameraMetadata *frame);
+    virtual status_t triggerAutofocus(uint32_t id);
+    virtual status_t triggerCancelAutofocus(uint32_t id);
+    virtual status_t triggerPrecaptureMetering(uint32_t id);
+    virtual status_t pushReprocessBuffer(int reprocessStreamId,
+            buffer_handle_t *buffer, wp<BufferReleasedListener> listener);
+
+  private:
+    const int              mId;
+    camera3_device_t      *mHal3Device;
+
+    CameraMetadata         mDeviceInfo;
+    vendor_tag_query_ops_t mVendorTagOps;
+
+    /**
+     * Thread for managing capture request submission to HAL device.
+     */
+    class RequestThread: public Thread {
+
+      public:
+
+        RequestThread(wp<Camera3Device> parent);
+
+      protected:
+
+        virtual bool threadLoop();
+
+      private:
+
+        wp<Camera3Device> mParent;
+
+    };
+    sp<RequestThread> requestThread;
+
+    /**
+     * Callback functions from HAL device
+     */
+    void processCaptureResult(const camera3_capture_result *result);
+
+    void notify(const camera3_notify_msg *msg);
+
+    /**
+     * Static callback forwarding methods from HAL to instance
+     */
+    static callbacks_process_capture_result_t sProcessCaptureResult;
+
+    static callbacks_notify_t sNotify;
+
+}; // class Camera3Device
+
+}; // namespace android
+
+#endif