std::unique_ptr<VideoProvider> VideoProviderFactory::GetProvider(agi::fs::path const& video_file, std::string const& colormatrix) { std::vector<std::string> factories = GetClasses(OPT_GET("Video/Provider")->GetString()); factories.insert(factories.begin(), "YUV4MPEG"); factories.insert(factories.begin(), "Dummy"); bool found = false; bool supported = false; std::string errors; errors.reserve(1024); for (auto const& factory : factories) { std::string err; try { auto provider = Create(factory, video_file, colormatrix); LOG_I("manager/video/provider") << factory << ": opened " << video_file; return provider->WantsCaching() ? agi::util::make_unique<VideoProviderCache>(std::move(provider)) : std::move(provider); } catch (agi::fs::FileNotFound const&) { err = "file not found."; // Keep trying other providers as this one may just not be able to // open a valid path } catch (VideoNotSupported const&) { found = true; err = "video is not in a supported format."; } catch (VideoOpenError const& ex) { supported = true; err = ex.GetMessage(); } catch (agi::vfr::Error const& ex) { supported = true; err = ex.GetMessage(); } errors += factory + ": " + err + "\n"; LOG_D("manager/video/provider") << factory << ": " << err; } // No provider could open the file LOG_E("manager/video/provider") << "Could not open " << video_file; std::string msg = "Could not open " + video_file.string() + ":\n" + errors; if (!found) throw agi::fs::FileNotFound(video_file.string()); if (!supported) throw VideoNotSupported(msg); throw VideoOpenError(msg); }
std::unique_ptr<VideoProvider> VideoProviderFactory::GetProvider(agi::fs::path const& filename, std::string const& colormatrix, agi::BackgroundRunner *br) { auto preferred = OPT_GET("Video/Provider")->GetString(); auto sorted = GetSorted(boost::make_iterator_range(std::begin(providers), std::end(providers)), preferred); bool found = false; bool supported = false; std::string errors; errors.reserve(1024); for (auto factory : sorted) { std::string err; try { auto provider = factory->create(filename, colormatrix, br); if (!provider) continue; LOG_I("manager/video/provider") << factory->name << ": opened " << filename; return provider->WantsCaching() ? CreateCacheVideoProvider(std::move(provider)) : std::move(provider); } catch (agi::fs::FileNotFound const&) { err = "file not found."; // Keep trying other providers as this one may just not be able to // open a valid path } catch (VideoNotSupported const&) { found = true; err = "video is not in a supported format."; } catch (VideoOpenError const& ex) { supported = true; err = ex.GetMessage(); } catch (agi::vfr::Error const& ex) { supported = true; err = ex.GetMessage(); } errors += std::string(factory->name) + ": " + err + "\n"; LOG_D("manager/video/provider") << factory->name << ": " << err; } // No provider could open the file LOG_E("manager/video/provider") << "Could not open " << filename; std::string msg = "Could not open " + filename.string() + ":\n" + errors; if (!found) throw agi::fs::FileNotFound(filename.string()); if (!supported) throw VideoNotSupported(msg); throw VideoOpenError(msg); }