| /* |
| * poll_thread.h - poll thread for event and buffer |
| * |
| * 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_POLL_THREAD_H |
| #define XCAM_POLL_THREAD_H |
| |
| #include "xcam_utils.h" |
| #include "xcam_mutex.h" |
| #include "x3a_event.h" |
| #include "v4l2_buffer_proxy.h" |
| #include "x3a_statistics_queue.h" |
| #include "v4l2_device.h" |
| #include "isp_controller.h" |
| |
| namespace XCam { |
| |
| class X3aIspStatistics; |
| |
| class PollCallback { |
| public: |
| virtual ~PollCallback() {} |
| virtual XCamReturn poll_buffer_ready (SmartPtr<V4l2BufferProxy> &buf) = 0; |
| virtual XCamReturn poll_buffer_failed (int64_t timestamp, const char *msg) = 0; |
| virtual XCamReturn poll_3a_stats_ready (SmartPtr<X3aIspStatistics> &stats) = 0; |
| virtual XCamReturn poll_dvs_stats_ready() = 0; |
| }; |
| |
| class V4l2Device; |
| class V4l2SubDevice; |
| class X3aStatisticsQueue; |
| class EventPollThread; |
| class CapturePollThread; |
| |
| class PollThread |
| { |
| friend class EventPollThread; |
| friend class CapturePollThread; |
| public: |
| explicit PollThread (); |
| ~PollThread (); |
| |
| bool set_capture_device (SmartPtr<V4l2Device> &dev); |
| bool set_event_device (SmartPtr<V4l2SubDevice> &sub_dev); |
| bool set_isp_controller (SmartPtr<IspController> &isp); |
| bool set_callback (PollCallback *callback); |
| |
| XCamReturn start(); |
| XCamReturn stop (); |
| |
| protected: |
| XCamReturn poll_subdev_event_loop (); |
| XCamReturn poll_buffer_loop (); |
| |
| XCamReturn handle_events (struct v4l2_event &event); |
| XCamReturn handle_3a_stats_event (struct v4l2_event &event); |
| |
| private: |
| XCamReturn init_3a_stats_pool (); |
| XCamReturn capture_3a_stats (SmartPtr<X3aIspStatistics> &stats); |
| |
| |
| private: |
| XCAM_DEAD_COPY (PollThread); |
| |
| private: |
| static const int default_subdev_event_timeout; |
| static const int default_capture_event_timeout; |
| |
| SmartPtr<EventPollThread> _event_loop; |
| SmartPtr<CapturePollThread> _capture_loop; |
| |
| SmartPtr<V4l2SubDevice> _event_dev; |
| SmartPtr<X3aStatisticsQueue> _3a_stats_pool; |
| |
| SmartPtr<V4l2Device> _capture_dev; |
| SmartPtr<IspController> _isp_controller; |
| |
| PollCallback *_callback; |
| }; |
| |
| }; |
| |
| #endif //XCAM_POLL_THREAD_H |