git.sesse.net Git - casparcg/blob - modules/image/producer/image_scroll_producer.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 "image_scroll_producer.h"\r
  21 //\r
  22 //#include "image_loader.h"\r
  23 //\r
  24 //#include "../../mixer/basic_frame.h"\r
  25 //#include "../../mixer/basic_frame.h"\r
  26 //#include "../../video_format.h"\r
  27 //#include "../../mixer/frame_mixer_device.h"\r
  28 //#include "../../configuration.h"\r
  29 //\r
  30 //#include <tbb/parallel_for.h>\r
  31 //#include <tbb/parallel_invoke.h>\r
  32 //#include <tbb/scalable_allocator.h>\r
  33 //\r
  34 //#include <boost/assign.hpp>\r
  35 //#include <boost/algorithm/string/case_conv.hpp>\r
  36 //\r
  37 //using namespace boost::assign;\r
  38 //\r
  39 //namespace caspar { namespace core { namespace image{\r
  40 //\r
  41 //enum direction\r
  42 //{\r
  43 //      Up, Down, Left, Right\r
  44 //};\r
  45 //\r
  46 //struct image_scroll_producer : public frame_producer\r
  47 //{\r
  48 //      static const int DEFAULT_SCROLL_SPEED = 50;\r
  49 //\r
  50 //      image_scroll_producer(const std::wstring& filename, const std::vector<std::wstring>& params) \r
  51 //              : speed_(image_scroll_producer::DEFAULT_SCROLL_SPEED), direction_(direction::Up), offset_(0), filename_(filename)\r
  52 //      {\r
  53 //              auto pos = filename.find_last_of(L'_');\r
  54 //              if(pos != std::wstring::npos && pos + 1 < filename.size())\r
  55 //              {\r
  56 //                      std::wstring speedStr = filename.substr(pos + 1);\r
  57 //                      pos = speedStr.find_first_of(L'.');\r
  58 //                      if(pos != std::wstring::npos)\r
  59 //                      {\r
  60 //                              speedStr = speedStr.substr(0, pos);             \r
  61 //                              speed_ = lexical_cast_or_default<int>(speedStr, image_scroll_producer::DEFAULT_SCROLL_SPEED);\r
  62 //                      }\r
  63 //              }\r
  64 //\r
  65 //              loop_ = std::find(params.begin(), params.end(), L"LOOP") != params.end();\r
  66 //      }\r
  67 //\r
  68 //      void load_and_pad_image(const std::wstring& filename)\r
  69 //      {\r
  70 //              auto pBitmap = load_image(filename);\r
  71 //\r
  72 //              size_t width = FreeImage_GetWidth(pBitmap.get());\r
  73 //              size_t height = FreeImage_GetHeight(pBitmap.get());\r
  74 //\r
  75 //              image_width_ = std::max(width, format_desc_.width);\r
  76 //              image_height_ = std::max(height, format_desc_.height);\r
  77 //\r
  78 //              image_ = std::shared_ptr<unsigned char>(static_cast<unsigned char*>(scalable_aligned_malloc(image_width_*image_height_*4, 16)));\r
  79 //              std::fill_n(image_.get(), image_width_*image_height_*4, 0);\r
  80 //\r
  81 //              unsigned char* pBits = FreeImage_GetBits(pBitmap.get());\r
  82 //              \r
  83 //              for (size_t i = 0; i < height; ++i)\r
  84 //                      std::copy_n(&pBits[i* width * 4], width * 4, &image_.get()[i * image_width_ * 4]);\r
  85 //      }\r
  86 //\r
  87 //      basic_frame do_receive()\r
  88 //      {\r
  89 //              auto frame = frame_factory_->create_frame(format_desc_.width, format_desc_.height);\r
  90 //              std::fill(frame.image_data().begin(), frame.image_data().end(), 0);\r
  91 //\r
  92 //              const int delta_x = direction_ == direction::Left ? speed_ : -speed_;\r
  93 //              const int delta_y = direction_ == direction::Up ? speed_ : -speed_;\r
  94 //\r
  95 //              unsigned char* frame_data = frame.image_data().begin();\r
  96 //              unsigned char* image_data = image_.get();\r
  97 //      \r
  98 //              if (direction_ == direction::Up || direction_ == direction::Down)\r
  99 //              {\r
 100 //                      tbb::parallel_for(static_cast<size_t>(0), format_desc_.height, static_cast<size_t>(1), [&](size_t i)\r
 101 //                      {\r
 102 //                              int srcRow = i + offset_;\r
 103 //                              int dstInxex = i * format_desc_.width * 4;\r
 104 //                              int srcIndex = srcRow * format_desc_.width * 4;\r
 105 //                              int size = format_desc_.width * 4;\r
 106 //\r
 107 //                              std::copy_n(&image_data[srcIndex], size, &frame_data[dstInxex]);\r
 108 //                      });                             \r
 109 //                      \r
 110 //                      offset_ += delta_y;\r
 111 //              }\r
 112 //              else\r
 113 //              {\r
 114 //                      tbb::parallel_for(static_cast<size_t>(0), format_desc_.height, static_cast<size_t>(1), [&](size_t i)\r
 115 //                      {\r
 116 //                              int correctOffset = offset_;\r
 117 //                              int dstIndex = i * format_desc_.width * 4;\r
 118 //                              int srcIndex = (i * image_width_ + correctOffset) * 4;\r
 119 //                      \r
 120 //                              int stopOffset = std::min<int>(correctOffset + format_desc_ .width, image_width_);\r
 121 //                              int size = (stopOffset - correctOffset) * 4;\r
 122 //\r
 123 //                              std::copy_n(&image_data[srcIndex], size, &frame_data[dstIndex]);\r
 124 //                      });\r
 125 //\r
 126 //                      offset_ += delta_x;\r
 127 //              }\r
 128 //\r
 129 //              return std::move(frame);\r
 130 //      }\r
 131 //              \r
 132 //      safe_ptr<basic_frame> receive()\r
 133 //      {               \r
 134 //              if(format_desc_.mode != video_mode::progressive)                                \r
 135 //              {\r
 136 //                      basic_frame frame1;\r
 137 //                      basic_frame frame2;\r
 138 //                      tbb::parallel_invoke([&]{ frame1 = std::move(do_receive()); }, [&]{ frame2 = std::move(do_receive()); });\r
 139 //                      return basic_frame::interlace(std::move(frame1), std::move(frame2), format_desc_.mode);\r
 140 //              }                       \r
 141 //\r
 142 //              return receive();       \r
 143 //      }\r
 144 //      \r
 145 //      void initialize(const safe_ptr<frame_factory>& frame_factory)\r
 146 //      {\r
 147 //              frame_factory_ = frame_factory;\r
 148 //              format_desc_ = frame_factory_->get_video_format_desc();\r
 149 //                              \r
 150 //              if(image_width_ - format_desc_.width > image_height_ - format_desc_.height)\r
 151 //                      direction_ = speed_ < 0 ? direction::Right : direction::Left;\r
 152 //              else\r
 153 //                      direction_ = speed_ < 0 ? direction::Down : direction::Up;\r
 154 //\r
 155 //              if (direction_ == direction::Down)\r
 156 //                      offset_ = image_height_ - format_desc_.height;\r
 157 //              else if (direction_ == direction::Right)\r
 158 //                      offset_ = image_width_ - format_desc_.width;\r
 159 //\r
 160 //              speed_ = static_cast<int>(abs(static_cast<double>(speed_) / format_desc_.fps));\r
 161 //              \r
 162 //              load_and_pad_image(filename_);\r
 163 //      }\r
 164 //      \r
 165 //\r
 166 //      std::wstring print() const\r
 167 //      {\r
 168 //              return L"image_scroll_producer. filename: " + filename_;\r
 169 //      }\r
 170 //\r
 171 //      const video_format_desc& get_video_format_desc() const { return format_desc_; } \r
 172 //      \r
 173 //      int image_width_;\r
 174 //      int image_height_;\r
 175 //      int speed_;\r
 176 //      int offset_;\r
 177 //      direction direction_;\r
 178 //\r
 179 //      tbb::atomic<bool> loop_;\r
 180 //      std::shared_ptr<unsigned char> image_;\r
 181 //      video_format_desc format_desc_;\r
 182 //\r
 183 //      std::wstring filename_;\r
 184 //\r
 185 //      safe_ptr<frame_mixer_device> frame_factory_;\r
 186 //};\r
 187 //\r
 188 //safe_ptr<frame_producer> create_image_scroll_producer(const std::vector<std::wstring>& params)\r
 189 //{\r
 190 //      static const std::vector<std::wstring> extensions = list_of(L"spng")(L"stga")(L"sbmp")(L"sjpg")(L"sjpeg");\r
 191 //      std::wstring filename = configuration::media_folder() + L"\\" + params[0];\r
 192 //      \r
 193 //      auto ext = std::find_if(extensions.begin(), extensions.end(), [&](const std::wstring& ex) -> bool\r
 194 //              {                                       \r
 195 //                      return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename).replace_extension(ex));\r
 196 //              });\r
 197 //\r
 198 //      if(ext == extensions.end())\r
 199 //              return nullptr;\r
 200 //\r
 201 //      return std::make_shared<image_scroll_producer>(filename + L"." + *ext, params);\r
 202 //}\r
 203 //\r
 204 //}}}