| /* |
| * device_manager.h - device manager |
| * |
| * Copyright (c) 2014-2015 Intel Corporation |
| * |
| * 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. |
| * |
| * Author: Wind Yuan <feng.yuan@intel.com> |
| */ |
| |
| #ifndef XCAM_DEVICE_MANAGER_H |
| #define XCAM_DEVICE_MANAGER_H |
| |
| #include "xcam_common.h" |
| #include "xcam_defs.h" |
| #include "smartptr.h" |
| #include "v4l2_device.h" |
| #include "v4l2_buffer_proxy.h" |
| #include "x3a_analyzer.h" |
| #include "image_processor.h" |
| #include "x3a_statistics_queue.h" |
| #include "poll_thread.h" |
| |
| namespace XCam { |
| |
| enum XCamMessageType { |
| XCAM_MESSAGE_BUF_OK = 0, |
| XCAM_MESSAGE_BUF_ERROR, |
| XCAM_MESSAGE_STATS_OK, |
| XCAM_MESSAGE_STATS_ERROR, |
| XCAM_MESSAGE_3A_RESULTS_OK, |
| XCAM_MESSAGE_3A_RESULTS_ERROR, |
| }; |
| |
| struct XCamMessage { |
| int64_t timestamp; |
| XCamMessageType msg_id; |
| char *msg; |
| |
| XCamMessage ( |
| XCamMessageType type, |
| int64_t timestamp = InvalidTimestamp, |
| const char *message = NULL); |
| ~XCamMessage (); |
| }; |
| |
| class MessageThread; |
| class X3aImageProcessCenter; |
| |
| class DeviceManager |
| : public PollCallback |
| , public AnalyzerCallback |
| , public ImageProcessCallback |
| { |
| friend class MessageThread; |
| |
| public: |
| DeviceManager(); |
| virtual ~DeviceManager(); |
| |
| bool set_capture_device (SmartPtr<V4l2Device> &device); |
| bool set_event_device (SmartPtr<V4l2SubDevice> &device); |
| bool set_isp_controller (SmartPtr<IspController> &controller); |
| bool set_analyzer (SmartPtr<X3aAnalyzer> &analyzer); |
| bool add_image_processor (SmartPtr<ImageProcessor> &processor); |
| |
| bool is_running () const { |
| return _is_running; |
| } |
| bool has_3a () const { |
| return _has_3a; |
| } |
| |
| XCamReturn start (); |
| XCamReturn stop (); |
| |
| protected: |
| virtual void handle_message (SmartPtr<XCamMessage> &msg) = 0; |
| virtual void handle_buffer (SmartPtr<VideoBuffer> &buf) = 0; |
| |
| protected: |
| //virtual functions derived from PollCallback |
| virtual XCamReturn poll_buffer_ready (SmartPtr<V4l2BufferProxy> &buf); |
| virtual XCamReturn poll_buffer_failed (int64_t timestamp, const char *msg); |
| virtual XCamReturn poll_3a_stats_ready (SmartPtr<X3aIspStatistics> &stats); |
| virtual XCamReturn poll_dvs_stats_ready (); |
| |
| //virtual functions derived from AnalyzerCallback |
| virtual void x3a_calculation_done (X3aAnalyzer *analyzer, X3aResultList &results); |
| virtual void x3a_calculation_failed (X3aAnalyzer *analyzer, int64_t timestamp, const char *msg); |
| |
| //virtual functions derived from ImageProcessCallback |
| virtual void process_buffer_done (ImageProcessor *processor, SmartPtr<VideoBuffer> &buf); |
| virtual void process_buffer_failed (ImageProcessor *processor, SmartPtr<VideoBuffer> &buf); |
| virtual void process_image_result_done (ImageProcessor *processor, SmartPtr<X3aResult> &result); |
| |
| private: |
| void post_message (XCamMessageType type, int64_t timestamp, const char *msg); |
| XCamReturn message_loop (); |
| |
| XCAM_DEAD_COPY (DeviceManager); |
| |
| protected: |
| SmartPtr<V4l2Device> _device; |
| SmartPtr<V4l2SubDevice> _subdevice; |
| SmartPtr<PollThread> _poll_thread; |
| SmartPtr<IspController> _isp_controller; |
| |
| /* 3A calculation and image processing*/ |
| bool _has_3a; |
| SmartPtr<X3aAnalyzer> _3a_analyzer; |
| SmartPtr<X3aImageProcessCenter> _3a_process_center; |
| |
| /* msg queue */ |
| SafeList<XCamMessage> _msg_queue; |
| SmartPtr<MessageThread> _msg_thread; |
| |
| bool _is_running; |
| }; |
| |
| }; |
| |
| #endif //XCAM_DEVICE_MANAGER_H |