Line data    Source code

       1             : /*
       2             :  *  Copyright (C) 2004-2024 Savoir-faire Linux Inc.
       3             :  *
       4             :  *  This program is free software: you can redistribute it and/or modify
       5             :  *  it under the terms of the GNU General Public License as published by
       6             :  *  the Free Software Foundation, either version 3 of the License, or
       7             :  *  (at your option) any later version.
       8             :  *
       9             :  *  This program is distributed in the hope that it will be useful,
      10             :  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      12             :  *  GNU General Public License for more details.
      13             :  *
      14             :  *  You should have received a copy of the GNU General Public License
      15             :  *  along with this program. If not, see <https://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #include "libav_deps.h" // MUST BE INCLUDED FIRST
      19             : #include "video_base.h"
      20             : #include "media_buffer.h"
      21             : #include "string_utils.h"
      22             : #include "logger.h"
      23             : 
      24             : #include <cassert>
      25             : 
      26             : namespace jami {
      27             : namespace video {
      28             : 
      29             : /*=== VideoGenerator =========================================================*/
      30             : 
      31             : VideoFrame&
      32        3541 : VideoGenerator::getNewFrame()
      33             : {
      34        3541 :     std::lock_guard lk(mutex_);
      35        3541 :     writableFrame_.reset(new VideoFrame());
      36        7082 :     return *writableFrame_.get();
      37        3541 : }
      38             : 
      39             : void
      40        3541 : VideoGenerator::publishFrame()
      41             : {
      42        3541 :     std::lock_guard lk(mutex_);
      43        3541 :     lastFrame_ = std::move(writableFrame_);
      44        3541 :     notify(std::static_pointer_cast<MediaFrame>(lastFrame_));
      45        3541 : }
      46             : 
      47             : void
      48        5021 : VideoGenerator::publishFrame(std::shared_ptr<VideoFrame> frame)
      49             : {
      50        5021 :     std::lock_guard lk(mutex_);
      51        5021 :     lastFrame_ = std::move(frame);
      52        5021 :     notify(std::static_pointer_cast<MediaFrame>(lastFrame_));
      53        5021 : }
      54             : 
      55             : void
      56          10 : VideoGenerator::flushFrames()
      57             : {
      58          10 :     std::lock_guard lk(mutex_);
      59          10 :     writableFrame_.reset();
      60          10 :     lastFrame_.reset();
      61          10 : }
      62             : 
      63             : std::shared_ptr<VideoFrame>
      64          38 : VideoGenerator::obtainLastFrame()
      65             : {
      66          38 :     std::lock_guard lk(mutex_);
      67          76 :     return lastFrame_;
      68          38 : }
      69             : 
      70             : /*=== VideoSettings =========================================================*/
      71             : 
      72             : static std::string
      73           0 : extractString(const std::map<std::string, std::string>& settings, const std::string& key)
      74             : {
      75           0 :     auto i = settings.find(key);
      76           0 :     if (i != settings.cend())
      77           0 :         return i->second;
      78           0 :     return {};
      79             : }
      80             : 
      81           0 : VideoSettings::VideoSettings(const std::map<std::string, std::string>& settings)
      82             : {
      83           0 :     name = extractString(settings, "name");
      84           0 :     unique_id = extractString(settings, "id");
      85           0 :     input = extractString(settings, "input");
      86           0 :     if (input.empty()) {
      87           0 :         input = unique_id;
      88             :     }
      89           0 :     channel = extractString(settings, "channel");
      90           0 :     video_size = extractString(settings, "size");
      91           0 :     framerate = extractString(settings, "rate");
      92           0 : }
      93             : 
      94             : std::map<std::string, std::string>
      95           0 : VideoSettings::to_map() const
      96             : {
      97           0 :     return {{"name", name},
      98           0 :             {"id", unique_id},
      99           0 :             {"input", input},
     100           0 :             {"size", video_size},
     101           0 :             {"channel", channel},
     102           0 :             {"rate", framerate}};
     103             : }
     104             : 
     105             : } // namespace video
     106             : } // namespace jami
     107             : 
     108             : namespace YAML {
     109             : 
     110             : Node
     111        1738 : convert<jami::video::VideoSettings>::encode(const jami::video::VideoSettings& rhs)
     112             : {
     113        1738 :     Node node;
     114        1738 :     node["name"] = rhs.name;
     115        1738 :     node["id"] = rhs.unique_id;
     116        1738 :     node["input"] = rhs.input;
     117        1738 :     node["video_size"] = rhs.video_size;
     118        1738 :     node["channel"] = rhs.channel;
     119        1738 :     node["framerate"] = rhs.framerate;
     120        1738 :     return node;
     121           0 : }
     122             : 
     123             : bool
     124          30 : convert<jami::video::VideoSettings>::decode(const Node& node, jami::video::VideoSettings& rhs)
     125             : {
     126          30 :     if (not node.IsMap()) {
     127           0 :         JAMI_WARN("Unable to decode VideoSettings YAML node");
     128           0 :         return false;
     129             :     }
     130          30 :     rhs.name = node["name"].as<std::string>();
     131          30 :     rhs.unique_id = node["id"].as<std::string>();
     132          30 :     rhs.input = node["input"].as<std::string>();
     133          30 :     rhs.video_size = node["video_size"].as<std::string>();
     134          30 :     rhs.channel = node["channel"].as<std::string>();
     135          30 :     rhs.framerate = node["framerate"].as<std::string>();
     136          30 :     return true;
     137             : }
     138             : 
     139             : Emitter&
     140        1738 : operator<<(Emitter& out, const jami::video::VideoSettings& v)
     141             : {
     142        1738 :     out << convert<jami::video::VideoSettings>::encode(v);
     143        1738 :     return out;
     144             : }
     145             : 
     146             : } // namespace YAML