git.sesse.net Git - casparcg/blob - modules/image/producer/image_producer.cpp

   1 #include "image_producer.h"\r
   2 \r
   3 #include "../util/image_loader.h"\r
   4 \r
   5 #include <core/video_format.h>\r
   6 \r
   7 #include <core/producer/frame/basic_frame.h>\r
   8 #include <core/producer/frame/write_frame.h>\r
   9 \r
  10 #include <common/env.h>\r
  11 \r
  12 #include <boost/assign.hpp>\r
  13 #include <boost/filesystem.hpp>\r
  14 \r
  15 #include <algorithm>\r
  16 \r
  17 using namespace boost::assign;\r
  18 \r
  19 namespace caspar {\r
  20 \r
  21 struct image_producer : public core::frame_producer\r
  22 {       \r
  23         std::wstring filename_;\r
  24         safe_ptr<core::basic_frame> frame_;\r
  25         \r
  26         explicit image_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::wstring& filename) \r
  27                 : filename_(filename)\r
  28                 , frame_(core::basic_frame::empty())    \r
  29         {\r
  30                 auto bitmap = load_image(filename_);\r
  31                 FreeImage_FlipVertical(bitmap.get());\r
  32                 auto frame = frame_factory->create_frame(this, FreeImage_GetWidth(bitmap.get()), FreeImage_GetHeight(bitmap.get()));\r
  33                 std::copy_n(FreeImage_GetBits(bitmap.get()), frame->image_data().size(), frame->image_data().begin());\r
  34                 frame_ = std::move(frame);\r
  35         }\r
  36         \r
  37         virtual safe_ptr<core::basic_frame> receive(){return frame_;}\r
  38 \r
  39         \r
  40         virtual std::wstring print() const\r
  41         {\r
  42                 return L"image_producer[" + filename_ + L"]";\r
  43         }\r
  44 };\r
  45 \r
  46 safe_ptr<core::frame_producer> create_image_producer(const safe_ptr<core::frame_factory>& frame_factory, const std::vector<std::wstring>& params)\r
  47 {\r
  48         static const std::vector<std::wstring> extensions = list_of(L"png")(L"tga")(L"bmp")(L"jpg")(L"jpeg");\r
  49         std::wstring filename = env::media_folder() + L"\\" + params[0];\r
  50         \r
  51         auto ext = std::find_if(extensions.begin(), extensions.end(), [&](const std::wstring& ex) -> bool\r
  52                 {                                       \r
  53                         return boost::filesystem::is_regular_file(boost::filesystem::wpath(filename).replace_extension(ex));\r
  54                 });\r
  55 \r
  56         if(ext == extensions.end())\r
  57                 return core::frame_producer::empty();\r
  58 \r
  59         return make_safe<image_producer>(frame_factory, filename + L"." + *ext);\r
  60 }\r
  61 \r
  62 \r
  63 }