git.sesse.net Git - casparcg/blob - core/mixer/gpu/gpu_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 "gpu_write_frame.h"\r
  23 \r
  24 #include <core/producer/frame/pixel_format.h>\r
  25 \r
  26 #include "../image/image_mixer.h"\r
  27 #include "../audio/audio_mixer.h"\r
  28 \r
  29 #include "../gpu/host_buffer.h"\r
  30 \r
  31 #include <common/gl/gl_check.h>\r
  32 \r
  33 #include <boost/range/algorithm.hpp>\r
  34 \r
  35 namespace caspar { namespace mixer {\r
  36                                                                                                                                                                                                                                                                                                                         \r
  37 struct gpu_write_frame::implementation : boost::noncopyable\r
  38 {                               \r
  39         std::vector<safe_ptr<host_buffer>> buffers_;\r
  40         std::vector<short> audio_data_;\r
  41         const core::pixel_format_desc desc_;\r
  42         int tag_;\r
  43 \r
  44 public:\r
  45         implementation(int tag, const core::pixel_format_desc& desc, const std::vector<safe_ptr<host_buffer>>& buffers) \r
  46                 : desc_(desc)\r
  47                 , buffers_(buffers)\r
  48                 , tag_(tag){}\r
  49         \r
  50         void accept(gpu_write_frame& self, core::frame_visitor& visitor)\r
  51         {\r
  52                 visitor.begin(self);\r
  53                 visitor.visit(self);\r
  54                 visitor.end();\r
  55         }\r
  56 \r
  57         boost::iterator_range<unsigned char*> image_data(size_t index)\r
  58         {\r
  59                 if(index >= buffers_.size() || !buffers_[index]->data())\r
  60                         return boost::iterator_range<const unsigned char*>();\r
  61                 auto ptr = static_cast<unsigned char*>(buffers_[index]->data());\r
  62                 return boost::iterator_range<unsigned char*>(ptr, ptr+buffers_[index]->size());\r
  63         }\r
  64 \r
  65         const boost::iterator_range<const unsigned char*> image_data(size_t index) const\r
  66         {\r
  67                 if(index >= buffers_.size() || !buffers_[index]->data())\r
  68                         return boost::iterator_range<const unsigned char*>();\r
  69                 auto ptr = static_cast<const unsigned char*>(buffers_[index]->data());\r
  70                 return boost::iterator_range<const unsigned char*>(ptr, ptr+buffers_[index]->size());\r
  71         }\r
  72 };\r
  73         \r
  74 gpu_write_frame::gpu_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
  75 gpu_write_frame::gpu_write_frame(gpu_write_frame&& other) : impl_(std::move(other.impl_)){}\r
  76 void gpu_write_frame::swap(gpu_write_frame& other){impl_.swap(other.impl_);}\r
  77 gpu_write_frame& gpu_write_frame::operator=(gpu_write_frame&& other)\r
  78 {\r
  79         gpu_write_frame temp(std::move(other));\r
  80         temp.swap(*this);\r
  81         return *this;\r
  82 }\r
  83 void gpu_write_frame::accept(core::frame_visitor& visitor){impl_->accept(*this, visitor);}\r
  84 boost::iterator_range<unsigned char*> gpu_write_frame::image_data(size_t index){return impl_->image_data(index);}\r
  85 std::vector<short>& gpu_write_frame::audio_data() { return impl_->audio_data_; }\r
  86 const boost::iterator_range<const unsigned char*> gpu_write_frame::image_data(size_t index) const\r
  87 {\r
  88         return boost::iterator_range<const unsigned char*>(impl_->image_data(index).begin(), impl_->image_data(index).end());\r
  89 }\r
  90 const boost::iterator_range<const short*> gpu_write_frame::audio_data() const\r
  91 {\r
  92         return boost::iterator_range<const short*>(impl_->audio_data_.data(), impl_->audio_data_.data() + impl_->audio_data_.size());\r
  93 }\r
  94 int gpu_write_frame::tag() const {return impl_->tag_;}\r
  95 const core::pixel_format_desc& gpu_write_frame::get_pixel_format_desc() const{return impl_->desc_;}\r
  96 std::vector<safe_ptr<host_buffer>>& gpu_write_frame::get_plane_buffers(){return impl_->buffers_;}\r
  97 }}