git.sesse.net Git - casparcg/blob - core/mixer/write_frame.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 #include "../stdafx.h"\r
  21 \r
  22 #include "write_frame.h"\r
  23 \r
  24 #include <core/producer/frame/pixel_format.h>\r
  25 \r
  26 #include <common/gl/gl_check.h>\r
  27 \r
  28 #include <boost/range/algorithm.hpp>\r
  29 \r
  30 namespace caspar { namespace core {\r
  31                                                                                                                                                                                                                                                                                                                         \r
  32 struct write_frame::implementation : boost::noncopyable\r
  33 {                               \r
  34         std::vector<safe_ptr<host_buffer>> buffers_;\r
  35         std::vector<short> audio_data_;\r
  36         const core::pixel_format_desc desc_;\r
  37         int tag_;\r
  38 \r
  39 public:\r
  40         implementation(int tag, const core::pixel_format_desc& desc, const std::vector<safe_ptr<host_buffer>>& buffers) \r
  41                 : desc_(desc)\r
  42                 , buffers_(buffers)\r
  43                 , tag_(tag){}\r
  44         \r
  45         void accept(write_frame& self, core::frame_visitor& visitor)\r
  46         {\r
  47                 visitor.begin(self);\r
  48                 visitor.visit(self);\r
  49                 visitor.end();\r
  50         }\r
  51 \r
  52         boost::iterator_range<unsigned char*> image_data(size_t index)\r
  53         {\r
  54                 if(index >= buffers_.size() || !buffers_[index]->data())\r
  55                         return boost::iterator_range<const unsigned char*>();\r
  56                 auto ptr = static_cast<unsigned char*>(buffers_[index]->data());\r
  57                 return boost::iterator_range<unsigned char*>(ptr, ptr+buffers_[index]->size());\r
  58         }\r
  59 \r
  60         const boost::iterator_range<const unsigned char*> image_data(size_t index) const\r
  61         {\r
  62                 if(index >= buffers_.size() || !buffers_[index]->data())\r
  63                         return boost::iterator_range<const unsigned char*>();\r
  64                 auto ptr = static_cast<const unsigned char*>(buffers_[index]->data());\r
  65                 return boost::iterator_range<const unsigned char*>(ptr, ptr+buffers_[index]->size());\r
  66         }\r
  67 };\r
  68         \r
  69 write_frame::write_frame(int tag, const core::pixel_format_desc& desc, const std::vector<safe_ptr<host_buffer>>& buffers) : impl_(new implementation(tag, desc, buffers)){}\r
  70 void write_frame::accept(core::frame_visitor& visitor){impl_->accept(*this, visitor);}\r
  71 \r
  72 boost::iterator_range<unsigned char*> write_frame::image_data(size_t index){return impl_->image_data(index);}\r
  73 std::vector<short>& write_frame::audio_data() { return impl_->audio_data_; }\r
  74 const boost::iterator_range<const unsigned char*> write_frame::image_data(size_t index) const\r
  75 {\r
  76         return boost::iterator_range<const unsigned char*>(impl_->image_data(index).begin(), impl_->image_data(index).end());\r
  77 }\r
  78 const boost::iterator_range<const short*> write_frame::audio_data() const\r
  79 {\r
  80         return boost::iterator_range<const short*>(impl_->audio_data_.data(), impl_->audio_data_.data() + impl_->audio_data_.size());\r
  81 }\r
  82 int write_frame::tag() const {return impl_->tag_;}\r
  83 const core::pixel_format_desc& write_frame::get_pixel_format_desc() const{return impl_->desc_;}\r
  84 const std::vector<safe_ptr<host_buffer>>& write_frame::get_plane_buffers() const{return impl_->buffers_;}\r
  85 }}