Visualization of selected bitrate and Representation

fivegmag_5GMSdAwareApplication/app/build.gradle

@@ -39,6 +39,7 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.8.0'
+    implementation 'org.greenrobot:eventbus:3.3.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'com.fivegmag:a5gmscommonlibrary:1.0.2'
     implementation 'com.fivegmag:a5gmsmediastreamhandler:1.0.2'

fivegmag_5GMSdAwareApplication/app/src/main/assets/config.properties.xml

@@ -5,4 +5,6 @@
     <!--<entry key="m8LocalAfAndAs">m8/config_local_af.json</entry>-->
     <entry key="m85GMAGHost">https://rt.5g-mag.com/</entry>
     <!-- <entry key="m8LocalDummyHost">http://10.147.67.179:3003/m8/</entry>-->
+    <entry key="m8LocalDummyHost">http://192.168.178.78:3003/m8/</entry>
+    <!-- <entry key="m8LocalDummyHost">http://194.95.175.90:3003/m8/</entry> -->
 </properties>

fivegmag_5GMSdAwareApplication/app/src/main/java/com/fivegmag/a5gmsdawareapplication/MainActivity.kt

@@ -15,6 +15,7 @@ import android.widget.AdapterView
 import android.widget.ArrayAdapter
 import android.widget.Button
 import android.widget.Spinner
+import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
 import androidx.media3.common.util.UnstableApi
 import com.fivegmag.a5gmscommonlibrary.models.EntryPoint
@@ -26,6 +27,7 @@ import com.fivegmag.a5gmsmediastreamhandler.MediaSessionHandlerAdapter
 import androidx.media3.ui.PlayerView
 import kotlinx.serialization.json.*
 import okhttp3.ResponseBody
+import org.greenrobot.eventbus.EventBus
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
@@ -38,10 +40,12 @@ import java.util.*
 
 const val TAG = "5GMS Aware Application"
 
-@UnstableApi class MainActivity : AppCompatActivity(), AdapterView.OnItemSelectedListener {
+@UnstableApi
+class MainActivity : AppCompatActivity(), AdapterView.OnItemSelectedListener {
 
     private val mediaSessionHandlerAdapter = MediaSessionHandlerAdapter()
     private val exoPlayerAdapter = ExoPlayerAdapter()
+    private val mediaStreamHandlerEventHandler = MediaStreamHandlerEventHandler()
     private var currentSelectedStreamIndex: Int = 0
     private lateinit var currentSelectedM8Key: String
     private lateinit var m8InterfaceApi: M8InterfaceApi
@@ -63,17 +67,25 @@ const val TAG = "5GMS Aware Application"
                 exoPlayerAdapter,
                 ::onConnectionToMediaSessionHandlerEstablished
             )
+            val representationInfoTextView = findViewById<TextView>(R.id.representationInfo)
+            mediaStreamHandlerEventHandler.initialize(representationInfoTextView, this)
         } catch (e: Exception) {
             e.printStackTrace()
         }
     }
 
     override fun onStop() {
+        EventBus.getDefault().unregister(mediaStreamHandlerEventHandler);
         super.onStop()
         // Unbind from the service
         mediaSessionHandlerAdapter.reset(this)
     }
 
+    override fun onStart() {
+        super.onStart()
+        EventBus.getDefault().register(mediaStreamHandlerEventHandler);
+    }
+
     private fun loadConfiguration() {
         try {
             val inputStream: InputStream = this.assets.open("config.properties.xml")
@@ -168,22 +180,24 @@ const val TAG = "5GMS Aware Application"
                 R.id.idStreamSpinner -> {
                     currentSelectedStreamIndex = position
                 }
+
                 R.id.idM8Spinner -> {
                     currentSelectedM8Key = parent.selectedItem as String
                     val selectedUri = URI(configProperties.getProperty(currentSelectedM8Key))
-                    if(selectedUri.isAbsolute) {
+                    if (selectedUri.isAbsolute) {
                         setM8DataViaEndpoint(selectedUri.toString())
                     } else {
                         setM8DataViaJson(selectedUri.toString())
                     }
                 }
+
                 else -> { // Note the block
                 }
             }
         }
     }
 
-    private fun setM8DataViaEndpoint(m8HostingEndpoint : String) {
+    private fun setM8DataViaEndpoint(m8HostingEndpoint: String) {
         try {
             initializeRetrofitForM8InterfaceApi(m8HostingEndpoint)
             val call: Call<ResponseBody>? =

fivegmag_5GMSdAwareApplication/app/src/main/java/com/fivegmag/a5gmsdawareapplication/MediaStreamHandlerEventHandler.kt

@@ -0,0 +1,41 @@
+package com.fivegmag.a5gmsdawareapplication
+
+import android.content.Context
+import android.widget.TextView
+import androidx.media3.common.util.UnstableApi
+import com.fivegmag.a5gmscommonlibrary.eventbus.DownstreamFormatChangedEvent
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
+
+@UnstableApi
+/**
+ * This class handles messages that are dispatched by the Media Stream Handler.
+ * Implements a pub/sub pattern using the eventbus library.
+ *
+ */
+class MediaStreamHandlerEventHandler {
+
+    private lateinit var representationInfoTextView: TextView
+    private lateinit var context: Context
+
+    fun initialize(repInfoTextView: TextView, ctxt: Context) {
+        representationInfoTextView = repInfoTextView
+        context = ctxt
+    }
+
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun onDownstreamFormatChangedEvent(event: DownstreamFormatChangedEvent) {
+        // Handle the event
+        if (event.mediaLoadData.trackFormat?.containerMimeType?.contains(
+                "video",
+                ignoreCase = true
+            ) == true
+        ) {
+            val kbitsPerSecond =
+                event.mediaLoadData.trackFormat?.peakBitrate?.div(1000).toString()
+            val id = event.mediaLoadData.trackFormat?.id.toString()
+            val text = context.getString(R.string.representationInfo, kbitsPerSecond, id)
+            representationInfoTextView.text = text
+        }
+    }
+}

fivegmag_5GMSdAwareApplication/app/src/main/res/layout-land/activity_main.xml

@@ -85,5 +85,14 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/idStreamSpinner" />
 
+    <TextView
+        android:id="@+id/representationInfo"
+        android:layout_width="348dp"
+        android:layout_height="19dp"
+        android:text=""
+        android:textColor="#FFFFFF"
+        app:layout_constraintStart_toStartOf="@+id/idExoPlayerVIew"
+        app:layout_constraintTop_toTopOf="@+id/idExoPlayerVIew" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

fivegmag_5GMSdAwareApplication/app/src/main/res/layout/activity_main.xml

@@ -86,5 +86,14 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/idStreamSpinner" />
 
+    <TextView
+        android:id="@+id/representationInfo"
+        android:layout_width="352dp"
+        android:layout_height="23dp"
+        android:text=""
+        android:textColor="#FFFFFF"
+        app:layout_constraintStart_toStartOf="@+id/idExoPlayerVIew"
+        app:layout_constraintTop_toTopOf="@+id/idExoPlayerVIew" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

fivegmag_5GMSdAwareApplication/app/src/main/res/values/strings.xml

@@ -4,4 +4,5 @@
     <string name="labelM8Selection">Select M8 Input</string>
     <string name="labelStreamSelection">Select a Stream</string>
     <string name="startPlaybackButton">Start Playback</string>
+    <string name="representationInfo">%1$s kbit/s - Rep ID: %2$s</string>
 </resources>