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 "mixer/gpu/ogl_device.h"\r
  30 #include "producer/stage.h"\r
  31 \r
  32 #include <common/diagnostics/graph.h>\r
  33 #include <common/env.h>\r
  34 \r
  35 #include <string>\r
  36 \r
  37 namespace caspar { namespace core {\r
  38 \r
  39 struct video_channel::implementation : boost::noncopyable\r
  40 {\r
  41         const int                                               index_;\r
  42         video_format_desc                               format_desc_;\r
  43         const safe_ptr<ogl_device>              ogl_;\r
  44         safe_ptr<diagnostics::graph>    graph_;\r
  45 \r
  46         safe_ptr<caspar::core::output>  output_;\r
  47         safe_ptr<caspar::core::mixer>   mixer_;\r
  48         safe_ptr<caspar::core::stage>   stage_;\r
  49         \r
  50 public:\r
  51         implementation(int index, const video_format_desc& format_desc, const safe_ptr<ogl_device>& ogl)  \r
  52                 : index_(index)\r
  53                 , format_desc_(format_desc)\r
  54                 , ogl_(ogl)\r
  55                 , output_(new caspar::core::output(graph_, format_desc, index))\r
  56                 , mixer_(new caspar::core::mixer(graph_, output_, format_desc, ogl))\r
  57                 , stage_(new caspar::core::stage(graph_, mixer_, format_desc))  \r
  58         {\r
  59                 graph_->set_text(print());\r
  60                 diagnostics::register_graph(graph_);\r
  61 \r
  62                 for(int n = 0; n < std::max(1, env::properties().get("configuration.pipeline-tokens", 2)); ++n)\r
  63                         stage_->spawn_token();\r
  64 \r
  65                 CASPAR_LOG(info) << print() << " Successfully Initialized.";\r
  66         }\r
  67         \r
  68         void set_video_format_desc(const video_format_desc& format_desc)\r
  69         {\r
  70                 try\r
  71                 {\r
  72                         output_->set_video_format_desc(format_desc);\r
  73                         mixer_->set_video_format_desc(format_desc);\r
  74                         ogl_->gc();\r
  75                 }\r
  76                 catch(...)\r
  77                 {\r
  78                         output_->set_video_format_desc(format_desc_);\r
  79                         mixer_->set_video_format_desc(format_desc_);\r
  80                         throw;\r
  81                 }\r
  82                 format_desc_ = format_desc;\r
  83         }\r
  84                 \r
  85         std::wstring print() const\r
  86         {\r
  87                 return L"video_channel[" + boost::lexical_cast<std::wstring>(index_) + L"|" +  format_desc_.name + L"]";\r
  88         }\r
  89 };\r
  90 \r
  91 video_channel::video_channel(int index, const video_format_desc& format_desc, const safe_ptr<ogl_device>& ogl) : impl_(new implementation(index, format_desc, ogl)){}\r
  92 safe_ptr<stage> video_channel::stage() { return impl_->stage_;} \r
  93 safe_ptr<mixer> video_channel::mixer() { return impl_->mixer_;} \r
  94 safe_ptr<output> video_channel::output() { return impl_->output_;} \r
  95 video_format_desc video_channel::get_video_format_desc() const{return impl_->format_desc_;}\r
  96 void video_channel::set_video_format_desc(const video_format_desc& format_desc){impl_->set_video_format_desc(format_desc);}\r
  97 \r
  98 }}