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 2025 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              : #include "tasks/generic/SynchroniseSubtitleClock.h"
      21              : #include "IGstGenericPlayerPrivate.h"
      22              : #include "RialtoServerLogging.h"
      23              : #include "TypeConverters.h"
      24              : #include <inttypes.h>
      25              : 
      26              : namespace firebolt::rialto::server::tasks::generic
      27              : {
      28            1 : SynchroniseSubtitleClock::SynchroniseSubtitleClock(
      29              :     GenericPlayerContext &context, IGstGenericPlayerPrivate &player,
      30              :     const std::shared_ptr<firebolt::rialto::wrappers::IGstWrapper> &gstWrapper,
      31            1 :     const std::shared_ptr<firebolt::rialto::wrappers::IGlibWrapper> &glibWrapper)
      32            1 :     : m_context{context}, m_player{player}, m_gstWrapper{gstWrapper}, m_glibWrapper{glibWrapper}
      33              : {
      34            1 :     RIALTO_SERVER_LOG_DEBUG("Constructing SynchroniseSubtitleClock");
      35              : }
      36              : 
      37            2 : SynchroniseSubtitleClock::~SynchroniseSubtitleClock()
      38              : {
      39            1 :     RIALTO_SERVER_LOG_DEBUG("SynchroniseSubtitleClock finished");
      40            2 : }
      41              : 
      42            0 : void SynchroniseSubtitleClock::execute() const
      43              : {
      44            0 :     RIALTO_SERVER_LOG_DEBUG("Executing SynchroniseSubtitleClock");
      45            0 :     if (m_context.videoSink)
      46              :     {
      47            0 :         gint64 position = 0;
      48            0 :         if (m_gstWrapper->gstElementQueryPosition(m_context.videoSink, GST_FORMAT_TIME, &position))
      49              :         {
      50            0 :             RIALTO_SERVER_LOG_DEBUG("Videosink position: %" PRId64 " ns", position);
      51              :         }
      52              : 
      53            0 :         auto sourceElem = m_context.streamInfo.find(MediaSourceType::SUBTITLE);
      54            0 :         GstElement *source{nullptr};
      55              : 
      56            0 :         if (sourceElem != m_context.streamInfo.end())
      57              :         {
      58            0 :             source = sourceElem->second.appSrc;
      59              :         }
      60              :         else
      61              :         {
      62            0 :             RIALTO_SERVER_LOG_WARN("subtitle source not found");
      63            0 :             return;
      64              :         }
      65              : 
      66            0 :         GstStructure *structure = m_gstWrapper->gstStructureNew("current-pts", "pts", G_TYPE_UINT64, position, nullptr);
      67            0 :         GstEvent *event = m_gstWrapper->gstEventNewCustom(GST_EVENT_CUSTOM_DOWNSTREAM_OOB, structure);
      68              : 
      69            0 :         if (event)
      70              :         {
      71            0 :             if (m_gstWrapper->gstElementSendEvent(source, event))
      72              :             {
      73            0 :                 RIALTO_SERVER_LOG_DEBUG("Sent current-pts event to subtitlesource");
      74              :             }
      75              :             else
      76              :             {
      77            0 :                 RIALTO_SERVER_LOG_ERROR("Failed to send current-pts event to source");
      78              :             }
      79              :         }
      80              :         else
      81              :         {
      82            0 :             RIALTO_SERVER_LOG_ERROR("Failed to create current-pts event");
      83              :         }
      84              :     }
      85              :     else
      86              :     {
      87            0 :         RIALTO_SERVER_LOG_ERROR("video-sink is NULL");
      88              :     }
      89              : }
      90              : 
      91              : } // namespace firebolt::rialto::server::tasks::generic