コード例 #1
0
/// @brief Get provider 
/// @param video 
/// @return 
///
VideoProvider *VideoProviderFactory::GetProvider(std::string video) {
//XXX	std::vector<std::string> list = GetClasses(OPT_GET("Video/Provider")->GetString());
	std::vector<std::string> list = GetClasses("ffmpegsource");
	if (video.find("?dummy") == 0) list.insert(list.begin(), "Dummy");
	list.insert(list.begin(), "YUV4MPEG");

	bool fileFound = false;
	bool fileSupported = false;
	std::string errors;
	errors.reserve(1024);
	for (int i = 0; i < (signed)list.size(); ++i) {
		std::string err;
		try {
			VideoProvider *provider = Create(list[i], video);
			LOG_I("manager/video/provider") << list[i] << ": opened " << video;
			if (provider->WantsCaching()) {
				return new VideoProviderCache(provider);
			}
			return provider;
		}
		catch (agi::FileNotFoundError const&) {
			err = list[i] + ": file not found.";
			// Keep trying other providers as this one may just not be able to
			// open a valid path
		}
		catch (VideoNotSupported const&) {
			fileFound = true;
			err = list[i] + ": video is not in a supported format.";
		}
		catch (VideoOpenError const& ex) {
			fileSupported = true;
			err = list[i] + ": " + ex.GetMessage();
		}
		catch (agi::vfr::Error const& ex) {
			fileSupported = true;
			err = list[i] + ": " + ex.GetMessage();
		}
		errors += err;
		errors += "\n";
		LOG_D("manager/video/provider") << err;
	}

	// No provider could open the file
	LOG_E("manager/video/provider") << "Could not open " << video;
	std::string msg = "Could not open " + video + ":\n" + errors;

	if (!fileFound) throw agi::FileNotFoundError(video);
	if (!fileSupported) throw VideoNotSupported(msg);
	throw VideoOpenError(msg);
}
コード例 #2
0
/// @brief Get provider
/// @param video
/// @return
///
VideoProvider *VideoProviderFactory::GetProvider(wxString video) {
	std::vector<std::string> list = GetClasses(OPT_GET("Video/Provider")->GetString());
	if (video.StartsWith("?dummy")) list.insert(list.begin(), "Dummy");
	list.insert(list.begin(), "YUV4MPEG");

	bool fileFound = false;
	bool fileSupported = false;
	std::string errors;
	errors.reserve(1024);
	for (auto const& factory : list) {
		std::string err;
		try {
			VideoProvider *provider = Create(factory, video);
			LOG_I("manager/video/provider") << factory << ": opened " << from_wx(video);
			if (provider->WantsCaching()) {
				return new VideoProviderCache(provider);
			}
			return provider;
		}
		catch (agi::FileNotFoundError const&) {
			err = factory + ": file not found.";
			// Keep trying other providers as this one may just not be able to
			// open a valid path
		}
		catch (VideoNotSupported const&) {
			fileFound = true;
			err = factory + ": video is not in a supported format.";
		}
		catch (VideoOpenError const& ex) {
			fileSupported = true;
			err = factory + ": " + ex.GetMessage();
		}
		catch (agi::vfr::Error const& ex) {
			fileSupported = true;
			err = factory + ": " + ex.GetMessage();
		}
		errors += err;
		errors += "\n";
		LOG_D("manager/video/provider") << err;
	}

	// No provider could open the file
	LOG_E("manager/video/provider") << "Could not open " << from_wx(video);
	std::string msg = "Could not open " + from_wx(video) + ":\n" + errors;

	if (!fileFound) throw agi::FileNotFoundError(from_wx(video));
	if (!fileSupported) throw VideoNotSupported(msg);
	throw VideoOpenError(msg);
}