Support for TVScraper and VDR resumepoints

Also have to bump protocol version

services_live.h

@@ -0,0 +1,46 @@
+#ifndef __LIVE_SERVICES_LIVE_H
+#define __LIVE_SERVICES_LIVE_H
+
+class cLiveImageProvider {
+  public:
+    virtual std::string getImageUrl(const std::string &imagePath, bool fullPath = true) = 0;
+      ///< input: imagePath on file system.
+      ///<   if fullPath = true: e.g. /var/cache/vdr/plugins/tvscraper/movies/300803_poster.jpg
+      ///<   if fullPath = false: e.g.                                 movies/300803_poster.jpg
+      ///<   for images returned by the "old" tvscraper interface: use the default fullPath = true
+      ///< output:
+      ///<   in case of no error:
+      ///<     URL to the image, e.g. http://rpi.fritz.box:8008/tvscraper/movies/300803_poster.jpg
+      ///<   in case of errors:
+      ///<     If fullPath = true, the input (imagePath) will be returned
+      ///<     If fullPath = false, the full file system path will be returned (if possible)
+      ///<     Also, an error message will be written to the system log
+      ///< possible errors:
+      ///<   missing server url. This url must be provided to live with -u URL,  --url=URL
+      ///<   missing directory for scraper images:
+      ///<     tvscraper makes this directory available to live with the service interface
+      ///<     for others, e.g. scraper2vdr: provide this to live with -t <dir>, --tvscraperimages=<dir>
+      ///<   image path %s does not start with %s: Will only occur if fullPath == true
+      ///<     imagePath does not start with directory for scraper images.
+      ///<     example:
+      ///<       directory for scraper images: /var/cache/vdr/plugins/tvscraper/
+      ///<       imagePath = /tmp/test.img
+      ///<       In this example, this error will occur.
+      ///<       This is a restriction of live, implemented for security reasons:
+      ///<       Only files under the scraper images path will be delivered
+    virtual ~cLiveImageProvider() {}
+};
+// service to return cLiveImageProvider instance
+class cGetLiveImageProvider {
+public:
+  cPlugin *call(cPlugin *pLive = NULL) {
+    if (!pLive) return cPluginManager::CallFirstService("GetLiveImageProvider", this);
+    return pLive->Service("GetLiveImageProvider", this)?pLive:NULL;
+  }
+//IN: Use constructor to set these values
+// No input parameters
+//OUT
+   std::unique_ptr<cLiveImageProvider> m_liveImageProvider;
+};
+
+#endif // __LIVE_SERVICES_LIVE_H