add case if security api returns empty string (#141)

diff --git a/include/esplusplayer/drm.h b/include/esplusplayer/drm.h
index 427031a..8624380 100644 (file)
--- a/include/esplusplayer/drm.h
+++ b/include/esplusplayer/drm.h
@@ -59,7 +59,8 @@ const std::map<std::string, std::string> KeySystemToDrmNameConverter = {
     {"com.tvkey.drm", "EME_NagSam"},
     {"com.widevine.alpha", "EME_Widevine"},
     {"kr.atsc3.uhdcp", "EME_Atsc3uhdcp"},
-    {"org.w3.clearkey", "EME_ClearKey"}};
+    {"org.w3.clearkey", "EME_ClearKey"},
+    {"", "EME"}};
 
 // post from hlsdemux for getright