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

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\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 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #include "../stdafx.h"\r
  23 \r
  24 #include "frame.h"\r
  25 \r
  26 #include <common/except.h>\r
  27 #include <common/memory/array.h>\r
  28 \r
  29 #include <core/frame/frame_visitor.h>\r
  30 #include <core/frame/pixel_format.h>\r
  31 \r
  32 #include <boost/lexical_cast.hpp>\r
  33 #include <boost/thread/future.hpp>\r
  34 \r
  35 namespace caspar { namespace core {\r
  36                 \r
  37 const const_frame& const_frame::empty()\r
  38 {\r
  39         static int dummy;\r
  40         static const_frame empty(&dummy);\r
  41         return empty;\r
  42 }\r
  43 \r
  44 struct const_frame::impl : boost::noncopyable\r
  45 {                       \r
  46         mutable boost::shared_future<const_array>       future_buffer_;\r
  47         int                                                                                     id_;\r
  48         core::audio_buffer                                                      audio_data_;\r
  49         const core::pixel_format_desc                           desc_;\r
  50         const void*                                                                     tag_;\r
  51         double                                                                          frame_rate_;\r
  52         core::field_mode                                                        field_mode_;\r
  53 \r
  54         impl(const void* tag)\r
  55                 : desc_(core::pixel_format::invalid)\r
  56                 , tag_(tag)     \r
  57                 , id_(0)\r
  58                 , field_mode_(core::field_mode::empty)\r
  59         {\r
  60         }\r
  61         \r
  62         impl(boost::shared_future<const_array> image, audio_buffer audio_buffer, const void* tag, const core::pixel_format_desc& desc, double frame_rate, core::field_mode field_mode) \r
  63                 : future_buffer_(std::move(image))\r
  64                 , audio_data_(std::move(audio_buffer))\r
  65                 , desc_(desc)\r
  66                 , tag_(tag)\r
  67                 , id_(reinterpret_cast<int>(this))\r
  68                 , frame_rate_(frame_rate)\r
  69                 , field_mode_(field_mode)\r
  70         {\r
  71                 if(desc.format != core::pixel_format::bgra)\r
  72                         BOOST_THROW_EXCEPTION(not_implemented());\r
  73         }\r
  74 \r
  75         const_array image_data() const\r
  76         {\r
  77                 return tag_ != empty().tag() ? future_buffer_.get() : const_array(nullptr, 0, 0);\r
  78         }\r
  79 \r
  80         std::size_t width() const\r
  81         {\r
  82                 return tag_ != empty().tag() ? desc_.planes.at(0).width : 0;\r
  83         }\r
  84 \r
  85         std::size_t height() const\r
  86         {\r
  87                 return tag_ != empty().tag() ? desc_.planes.at(0).height : 0;\r
  88         }\r
  89 \r
  90         std::size_t size() const\r
  91         {\r
  92                 return tag_ != empty().tag() ? desc_.planes.at(0).size : 0;\r
  93         }\r
  94 \r
  95         bool operator==(const impl& other)\r
  96         {\r
  97                 return tag_ == other.tag_ && id_ == other.id_;\r
  98         }\r
  99 };\r
 100         \r
 101 const_frame::const_frame(const void* tag) : impl_(new impl(tag)){}\r
 102 const_frame::const_frame(boost::shared_future<const_array> image, audio_buffer audio_buffer, const void* tag, const core::pixel_format_desc& desc, double frame_rate, core::field_mode field_mode) \r
 103         : impl_(new impl(std::move(image), std::move(audio_buffer), tag, desc, frame_rate, field_mode)){}\r
 104 const_frame::~const_frame(){}\r
 105 const_frame::const_frame(const_frame&& other) : impl_(std::move(other.impl_)){}\r
 106 const_frame& const_frame::operator=(const_frame&& other)\r
 107 {\r
 108         impl_ = std::move(other.impl_);\r
 109         return *this;\r
 110 }\r
 111 const_frame::const_frame(const const_frame& other) : impl_(other.impl_){}\r
 112 const_frame& const_frame::operator=(const const_frame& other)\r
 113 {\r
 114         impl_ = other.impl_;\r
 115         return *this;\r
 116 }\r
 117 bool const_frame::operator==(const const_frame& other){return *impl_ == *other.impl_;}\r
 118 bool const_frame::operator!=(const const_frame& other){return !(*this == other);}\r
 119 const core::pixel_format_desc& const_frame::pixel_format_desc()const{return impl_->desc_;}\r
 120 const_array const_frame::image_data()const{return impl_->image_data();}\r
 121 const core::audio_buffer& const_frame::audio_data()const{return impl_->audio_data_;}\r
 122 double const_frame::frame_rate()const{return impl_->frame_rate_;}\r
 123 core::field_mode const_frame::field_mode()const{return impl_->field_mode_;}\r
 124 std::size_t const_frame::width()const{return impl_->width();}\r
 125 std::size_t const_frame::height()const{return impl_->height();} \r
 126 std::size_t const_frame::size()const{return impl_->size();}                                             \r
 127 const void* const_frame::tag()const{return impl_->tag_;}        \r
 128 \r
 129 struct mutable_frame::impl : boost::noncopyable\r
 130 {                       \r
 131         std::vector<mutable_array>                                      buffers_;\r
 132         core::audio_buffer                                                      audio_data_;\r
 133         const core::pixel_format_desc                           desc_;\r
 134         const void*                                                                     tag_;\r
 135         double                                                                          frame_rate_;\r
 136         core::field_mode                                                        field_mode_;\r
 137         \r
 138         impl(std::vector<mutable_array> buffers, audio_buffer audio_buffer, const void* tag, const core::pixel_format_desc& desc, double frame_rate, core::field_mode field_mode) \r
 139                 : buffers_(std::move(buffers))\r
 140                 , audio_data_(std::move(audio_buffer))\r
 141                 , desc_(desc)\r
 142                 , tag_(tag)\r
 143                 , frame_rate_(frame_rate)\r
 144                 , field_mode_(field_mode)\r
 145         {\r
 146                 BOOST_FOREACH(auto& buffer, buffers_)\r
 147                         if(!buffer.data())\r
 148                                 BOOST_THROW_EXCEPTION(invalid_argument() << msg_info("mutable_frame: null argument"));\r
 149         }\r
 150 };\r
 151         \r
 152 mutable_frame::mutable_frame(std::vector<mutable_array> image_buffers, audio_buffer audio_buffer, const void* tag, const core::pixel_format_desc& desc, double frame_rate, core::field_mode field_mode) \r
 153         : impl_(new impl(std::move(image_buffers), std::move(audio_buffer), tag, desc, frame_rate, field_mode)){}\r
 154 mutable_frame::~mutable_frame(){}\r
 155 mutable_frame::mutable_frame(mutable_frame&& other) : impl_(std::move(other.impl_)){}\r
 156 mutable_frame& mutable_frame::operator=(mutable_frame&& other)\r
 157 {\r
 158         impl_ = std::move(other.impl_);\r
 159         return *this;\r
 160 }\r
 161 void mutable_frame::swap(mutable_frame& other){impl_.swap(other.impl_);}\r
 162 const core::pixel_format_desc& mutable_frame::pixel_format_desc() const{return impl_->desc_;}\r
 163 const mutable_array& mutable_frame::image_data(std::size_t index) const{return impl_->buffers_.at(index);}\r
 164 const core::audio_buffer& mutable_frame::audio_data() const{return impl_->audio_data_;}\r
 165 mutable_array& mutable_frame::image_data(std::size_t index){return impl_->buffers_.at(index);}\r
 166 core::audio_buffer& mutable_frame::audio_data(){return impl_->audio_data_;}\r
 167 double mutable_frame::frame_rate() const{return impl_->frame_rate_;}\r
 168 core::field_mode mutable_frame::field_mode() const{return impl_->field_mode_;}\r
 169 std::size_t mutable_frame::width() const{return impl_->desc_.planes.at(0).width;}\r
 170 std::size_t mutable_frame::height() const{return impl_->desc_.planes.at(0).height;}                                             \r
 171 const void* mutable_frame::tag() const{return impl_->tag_;}     \r
 172 \r
 173 }}