Releases/v1.3.1

## Improvements

* fix: enable() should reset the internal state + fix holding onto stale playhead time (#66)



Co-authored-by: Emily Dixon <edixon@mux.com>
Co-authored-by: GitHub <noreply@github.com>

core-android/src/main/java/com/mux/stats/sdk/muxstats/MuxDataSdk.kt

@@ -202,7 +202,10 @@ abstract class MuxDataSdk<Player, PlayerView : View> @JvmOverloads protected con
    * @param customerData [CustomerData] with metadata about the new view
    * @see CustomerData
    */
-  open fun enable(customerData: CustomerData) = muxStats.enable(customerData)
+  open fun enable(customerData: CustomerData) {
+    collector.resetState()
+    muxStats.enable(customerData)
+  }
 
   /**
    * Dispatch a raw event to the View. Please use this method with caution, as unexpected events can

core-android/src/main/java/com/mux/stats/sdk/muxstats/MuxStateCollector.kt

@@ -409,6 +409,7 @@ open class MuxStateCollector(
    */
   @Suppress("unused")
   fun programChange(customerVideoData: CustomerVideoData) {
+    // keep current play state, since the actual stream should still be playing
     reset()
     muxStats.programChange(customerVideoData)
   }
@@ -420,9 +421,17 @@ open class MuxStateCollector(
    */
   @Suppress("unused")
   fun videoChange(customerVideoData: CustomerVideoData) {
+    resetState()
+    muxStats.videoChange(customerVideoData)
+  }
+
+  /**
+   * Returns the Collector to the state where it has processed no events.
+   */
+  @Suppress("MemberVisibilityCanBePrivate")
+  fun resetState() {
     _playerState = MuxPlayerState.INIT
     reset()
-    muxStats.videoChange(customerVideoData)
   }
 
   /**
@@ -526,6 +535,7 @@ open class MuxStateCollector(
     seekedEventsSent = 0
     firstFrameReceived = false
     firstFrameRenderedAtMillis = FIRST_FRAME_NOT_RENDERED
+    playbackPositionMills = TIME_UNKNOWN
     allowedHeaders.clear()
   }