git.sesse.net Git - casparcg/blob - core/video_channel.cpp

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20 \r
  21 #include "StdAfx.h"\r
  22 \r
  23 #include "video_channel.h"\r
  24 \r
  25 #include "video_format.h"\r
  26 \r
  27 #include "consumer/output.h"\r
  28 #include "mixer/mixer.h"\r
  29 #include "producer/stage.h"\r
  30 \r
  31 #include <common/concurrency/executor.h>\r
  32 #include <common/diagnostics/graph.h>\r
  33 \r
  34 #include "mixer/gpu/ogl_device.h"\r
  35 \r
  36 #include <agents_extras.h>\r
  37 \r
  38 #include <boost/timer.hpp>\r
  39 \r
  40 #ifdef _MSC_VER\r
  41 #pragma warning(disable : 4355)\r
  42 #endif\r
  43 \r
  44 namespace caspar { namespace core {\r
  45 \r
  46 struct video_channel::implementation : boost::noncopyable\r
  47 {\r
  48         Concurrency::unbounded_buffer<safe_ptr<message<std::map<int, safe_ptr<basic_frame>>>>>  stage_frames_;\r
  49         Concurrency::unbounded_buffer<safe_ptr<message<safe_ptr<read_frame>>>>                                  mixer_frames_;\r
  50         \r
  51         const video_format_desc format_desc_;\r
  52 \r
  53         safe_ptr<caspar::core::output>                  output_;\r
  54         std::shared_ptr<caspar::core::mixer>    mixer_;\r
  55         safe_ptr<caspar::core::stage>                   stage_;\r
  56 \r
  57         safe_ptr<diagnostics::graph>    graph_;\r
  58         boost::timer                                    frame_timer_;\r
  59         boost::timer                                    tick_timer_;\r
  60         boost::timer                                    output_timer_;\r
  61         \r
  62 public:\r
  63         implementation(int index, const video_format_desc& format_desc, ogl_device& ogl)  \r
  64                 : graph_(diagnostics::create_graph(narrow(print()), false))\r
  65                 , format_desc_(format_desc)\r
  66                 , output_(new caspar::core::output(mixer_frames_, format_desc))\r
  67                 , mixer_(new caspar::core::mixer(stage_frames_, mixer_frames_, format_desc, ogl))\r
  68                 , stage_(new caspar::core::stage(stage_frames_))        \r
  69         {\r
  70                 graph_->add_guide("produce-time", 0.5f);        \r
  71                 graph_->set_color("produce-time", diagnostics::color(0.0f, 1.0f, 0.0f));\r
  72                 graph_->set_color("tick-time", diagnostics::color(0.0f, 0.6f, 0.9f));   \r
  73                 graph_->set_color("output-time", diagnostics::color(1.0f, 0.5f, 0.0f));\r
  74                 graph_->set_color("mix-time", diagnostics::color(1.0f, 1.0f, 0.9f));\r
  75                 graph_->start();\r
  76 \r
  77                 CASPAR_LOG(info) << print() << " Successfully Initialized.";\r
  78         }\r
  79         \r
  80         //void tick()\r
  81         //{\r
  82         //      try\r
  83         //      {\r
  84         //              // Produce\r
  85 \r
  86         //              frame_timer_.restart();\r
  87 \r
  88         //              auto simple_frames = stage_->execute();\r
  89 \r
  90         //              graph_->update_value("produce-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
  91         //      \r
  92         //              // Mix\r
  93 \r
  94         //              frame_timer_.restart();\r
  95 \r
  96         //              auto finished_frame = mixer_->execute(simple_frames);\r
  97         //      \r
  98         //              graph_->update_value("mix-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
  99         //      \r
 100         //              // Consume\r
 101         //      \r
 102         //              output_timer_.restart();\r
 103 \r
 104         //              output_->execute(finished_frame);\r
 105         //      \r
 106         //              graph_->update_value("output-time", frame_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
 107 \r
 108         //      \r
 109         //              graph_->update_value("tick-time", tick_timer_.elapsed()*context_.get_format_desc().fps*0.5);\r
 110         //              tick_timer_.restart();\r
 111         //      }\r
 112         //      catch(...)\r
 113         //      {\r
 114         //              CASPAR_LOG_CURRENT_EXCEPTION();\r
 115         //              CASPAR_LOG(error) << context_.print() << L" Unexpected exception. Clearing stage and freeing memory";\r
 116         //              restart();\r
 117         //      }\r
 118 \r
 119         //      context_.execution().begin_invoke([this]{tick();});\r
 120         //}\r
 121 \r
 122         //void restart()\r
 123         //{\r
 124         //      stage_->clear();\r
 125         //      context_.ogl().gc().wait();\r
 126 \r
 127         //      mixer_ = nullptr;\r
 128         //      mixer_.reset(new caspar::core::mixer(context_));\r
 129         //}\r
 130                 \r
 131         std::wstring print() const\r
 132         {\r
 133                 return L"video_channel";\r
 134         }\r
 135 \r
 136         //void set_video_format_desc(const video_format_desc& format_desc)\r
 137         //{\r
 138         //      context_.execution().begin_invoke([=]\r
 139         //      {\r
 140         //              stage_->clear();\r
 141         //              context_.ogl().gc().wait();\r
 142         //              context_.set_format_desc(format_desc);\r
 143         //      });\r
 144         //}\r
 145 };\r
 146 \r
 147 video_channel::video_channel(int index, const video_format_desc& format_desc, ogl_device& ogl) : impl_(new implementation(index, format_desc, ogl)){}\r
 148 video_channel::video_channel(video_channel&& other) : impl_(std::move(other.impl_)){}\r
 149 safe_ptr<stage> video_channel::stage() { return impl_->stage_;} \r
 150 safe_ptr<mixer> video_channel::mixer() { return make_safe_ptr(impl_->mixer_);} \r
 151 safe_ptr<output> video_channel::output() { return impl_->output_;} \r
 152 video_format_desc video_channel::get_video_format_desc() const{return impl_->format_desc_;}\r
 153 std::wstring video_channel::print() const { return impl_->print();}\r
 154 \r
 155 }}