Added fail fast in case liveMaxLatencyDurationCount <= liveSyncDurati…

…onCount,

as player would not stop seeking

API.md

@@ -229,6 +229,7 @@ decreasing this value is likely to cause playback stalls.
 
 maximum delay allowed from edge of live, expressed in multiple of ```EXT-X-TARGETDURATION```.
 if set to 10, the player will seek back to ```liveSyncDurationCount``` whenever the next fragment to be loaded is older than N-10, N being the last fragment of the live playlist.
+If set, this value must be stricly superior to ```liveSyncDurationCount```
 a value too close from ```liveSyncDurationCount``` is likely to cause playback stalls.
 
 #### ```enableWorker```

src/hls.js

@@ -61,6 +61,11 @@ class Hls {
         if (prop in config) { continue; }
         config[prop] = configDefault[prop];
     }
+
+    if (config.liveMaxLatencyDurationCount !== undefined && config.liveMaxLatencyDurationCount <= config.liveSyncDurationCount) {
+      throw new Error('Illegal hls.js configuration: "liveMaxLatencyDurationCount" must be strictly superior to "liveSyncDurationCount" in player configuration');
+    }
+
     enableLogs(config.debug);
     this.config = config;
     // observer setup