Line data    Source code

       1              : /*
       2              :  * If not stated otherwise in this file or this component's LICENSE file the
       3              :  * following copyright and licenses apply:
       4              :  *
       5              :  * Copyright 2022 Sky UK
       6              :  *
       7              :  * Licensed under the Apache License, Version 2.0 (the "License");
       8              :  * you may not use this file except in compliance with the License.
       9              :  * You may obtain a copy of the License at
      10              :  *
      11              :  * http://www.apache.org/licenses/LICENSE-2.0
      12              :  *
      13              :  * Unless required by applicable law or agreed to in writing, software
      14              :  * distributed under the License is distributed on an "AS IS" BASIS,
      15              :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      16              :  * See the License for the specific language governing permissions and
      17              :  * limitations under the License.
      18              :  */
      19              : 
      20              : #ifndef FIREBOLT_RIALTO_SERVER_GST_DISPATCHER_THREAD_H_
      21              : #define FIREBOLT_RIALTO_SERVER_GST_DISPATCHER_THREAD_H_
      22              : 
      23              : #include "IGstDispatcherThread.h"
      24              : #include <atomic>
      25              : #include <gst/gst.h>
      26              : #include <memory>
      27              : #include <thread>
      28              : 
      29              : namespace firebolt::rialto::server
      30              : {
      31              : class GstDispatcherThreadFactory : public IGstDispatcherThreadFactory
      32              : {
      33              : public:
      34            4 :     ~GstDispatcherThreadFactory() override = default;
      35              :     std::unique_ptr<IGstDispatcherThread>
      36              :     createGstDispatcherThread(IGstDispatcherThreadClient &client, GstElement *pipeline,
      37              :                               const std::shared_ptr<IFlushOnPrerollController> &flushOnPrerollController,
      38              :                               const std::shared_ptr<firebolt::rialto::wrappers::IGstWrapper> &gstWrapper) const override;
      39              : };
      40              : 
      41              : class GstDispatcherThread : public IGstDispatcherThread
      42              : {
      43              : public:
      44              :     GstDispatcherThread(IGstDispatcherThreadClient &client, GstElement *pipeline,
      45              :                         const std::shared_ptr<IFlushOnPrerollController> &flushOnPrerollController,
      46              :                         const std::shared_ptr<firebolt::rialto::wrappers::IGstWrapper> &gstWrapper);
      47              :     ~GstDispatcherThread() override;
      48              : 
      49              : private:
      50              :     /**
      51              :      * @brief For handling gst bus messages in Gstreamer dispatcher thread
      52              :      *
      53              :      * @param[in] pipeline : The pipeline
      54              :      */
      55              :     void gstBusEventHandler(GstElement *pipeline);
      56              : 
      57              : private:
      58              :     /**
      59              :      * @brief The listening client.
      60              :      */
      61              :     IGstDispatcherThreadClient &m_client;
      62              : 
      63              :     /**
      64              :      * @brief The flush on preroll controller.
      65              :      */
      66              :     std::shared_ptr<IFlushOnPrerollController> m_flushOnPrerollController;
      67              : 
      68              :     /**
      69              :      * @brief The gstreamer wrapper object.
      70              :      */
      71              :     std::shared_ptr<firebolt::rialto::wrappers::IGstWrapper> m_gstWrapper;
      72              : 
      73              :     /**
      74              :      * @brief Flag used to check, if task thread is active
      75              :      */
      76              :     std::atomic<bool> m_isGstreamerDispatcherActive;
      77              : 
      78              :     /**
      79              :      * @brief Thread for handling gst bus callbacks
      80              :      */
      81              :     std::thread m_gstBusDispatcherThread;
      82              : };
      83              : } // namespace firebolt::rialto::server
      84              : 
      85              : #endif // FIREBOLT_RIALTO_SERVER_GST_DISPATCHER_THREAD_H_