Commit 07/08/2025

.gitignore

@@ -1,5 +1,6 @@
 ### IntelliJ IDEA ###
 out/
+audiofile/
 !**/src/main/**/out/
 !**/src/test/**/out/
 

EWS_POC.iml

@@ -9,6 +9,7 @@
       <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/testResources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/html" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/audiofile" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />

html/assets/js/pocreceiver.js

@@ -1,20 +1,20 @@
 $(document).ready(function() {
     // Your code here
-    console.log('pocreceiver.js is ready!');
+    //console.log('pocreceiver.js is ready!');
     const path = window.location.pathname;
     const ws = new WebSocket('ws://' + window.location.host + path + '/ws');
 
     ws.onopen = function() {
-        console.log('WebSocket connection opened');
+        //console.log('WebSocket connection opened');
         $('#indicatorDisconnected').addClass('visually-hidden');
         $('#indicatorConnected').removeClass('visually-hidden');
         setInterval(function() {
             sendCommand({ command: "getZelloStatus" });
-        }, 5000);
+        }, 1000);
     };
 
     ws.onmessage = function(event) {
-        console.log('WebSocket message received:', event.data);
+        //console.log('WebSocket message received:', event.data);
         let msg = {};
         try {
             msg = JSON.parse(event.data);
@@ -25,13 +25,13 @@ $(document).ready(function() {
         }
         if (msg.reply === "getZelloStatus" && msg.data !== undefined && msg.data.length > 0) {
             const zelloData = msg.data;
-            console.log('Zello Status Data:', zelloData);
+            //console.log('Zello Status Data:', zelloData);
-            $('#zelloStatus').text(zelloData.status);
+            $('#zelloStatus').text(zelloData);
         }
     };
 
     ws.onclose = function() {
-        console.log('WebSocket connection closed');
+        //console.log('WebSocket connection closed');
         $('#indicatorDisconnected').removeClass('visually-hidden');
         $('#indicatorConnected').addClass('visually-hidden');
     };

html/pocreceiver.html

@@ -35,7 +35,7 @@
             <h1 class="text-center">Zello Status</h1>
         </div>
         <div class="row">
-            <p id="zelloStatus">Paragraph</p>
+            <p class="d-flex justify-content-center" id="zelloStatus">Paragraph</p>
         </div>
     </div>
     <script src="assets/bootstrap/js/bootstrap.min.js"></script>

src/Main.kt

@@ -10,12 +10,14 @@ import web.webApp
 import zello.ZelloClient
 import zello.ZelloEvent
 import javafx.util.Pair
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import org.slf4j.LoggerFactory
 import somecodes.Codes
 import web.WsCommand
 import java.util.function.BiFunction
-import kotlin.io.path.isRegularFile
-import kotlin.io.path.pathString
 
 //TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
 // click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
@@ -25,23 +27,140 @@ fun main() {
 
     val cfg = configFile()
     cfg.Load()
-    val au = AudioUtility()
     var audioID = 0
     val preferedAudioDevice = "Speakers"
-    au.DetectPlaybackDevices().forEach { pair ->
+
-        println("Device ID: ${pair.first}, Name: ${pair.second}")
+    AudioUtility.DetectPlaybackDevices().forEach { pair ->
+        logger.info("Device ID: ${pair.first}, Name: ${pair.second}")
         if (pair.second.contains(preferedAudioDevice)) {
             audioID = pair.first
         }
     }
     if (audioID!=0){
-        val initsuccess = au.InitDevice(audioID,44100)
+        val initsuccess = AudioUtility.InitDevice(audioID,44100)
-        println("Audio Device $audioID initialized: $initsuccess")
+        logger.info("Audio Device $audioID initialized: $initsuccess")
     }
 
+    // for Zello Client
     val o = OpusStreamReceiver(audioID)
+    // for AudioFilePlayer
     var afp: AudioFilePlayer? = null
 
+    /**
+     * Creates a ZelloClient instance based on the configuration.
+     */
+    fun CreateZelloFromConfig(): ZelloClient {
+        return when (cfg.ZelloServer) {
+            "work" -> {
+                ZelloClient.fromZelloWork(
+                    cfg.ZelloUsername ?: "",
+                    cfg.ZelloPassword ?: "",
+                    cfg.ZelloChannel ?: "",
+                    cfg.ZelloWorkNetworkName ?: ""
+                )
+            }
+            "enterprise" -> {
+                ZelloClient.fromZelloEnterpriseServer(
+                    cfg.ZelloUsername ?: "",
+                    cfg.ZelloPassword ?: "",
+                    cfg.ZelloChannel ?: "",
+                    cfg.ZelloEnterpriseServerDomain ?: ""
+                )
+            }
+            else -> {
+                ZelloClient.fromConsumerZello(cfg.ZelloUsername ?: "", cfg.ZelloPassword ?: "", cfg.ZelloChannel ?: "")
+            }
+        }
+    }
+
+    // Create Zello client from configuration and start it
+    var z = CreateZelloFromConfig()
+
+    // Create ZelloEvent implementation to handle events
+    val z_event = object : ZelloEvent{
+        override fun onChannelStatus(
+            channel: String,
+            status: String,
+            userOnline: Int,
+            error: String?,
+            errorType: String?
+        ) {
+            logger.info("Channel Status: $channel is $status with $userOnline users online.")
+            if (ValidString(error) && ValidString(errorType)) {
+                logger.info("Error: $error, Type: $errorType")
+            }
+        }
+
+        override fun onAudioData(streamID: Int, from: String, For: String, channel: String, data: ByteArray) {
+            logger.info("Audio Data received from $from for $For on channel $channel with streamID $streamID ")
+        }
+
+        override fun onThumbnailImage(imageID: Int, from: String, For: String, channel: String, data: ByteArray, timestamp: Long) {
+            logger.info("Thumbnail Image received from $from for $For on channel $channel with imageID $imageID at timestamp $timestamp")
+        }
+
+        override fun onFullImage(imageID: Int, from: String, For: String, channel: String, data: ByteArray, timestamp: Long) {
+            logger.info("Full Image received from $from for $For on channel $channel with imageID $imageID at timestamp $timestamp")
+        }
+
+        override fun onTextMessage(messageID: Int, from: String, For: String, channel: String, text: String, timestamp: Long) {
+            logger.info("Text Message received from $from for $For on channel $channel with messageID $messageID at timestamp $timestamp. Text: $text")
+        }
+
+        override fun onLocation(messageID: Int, from: String, For: String, channel: String, latitude: Double, longitude: Double, address: String, accuracy: Double, timestamp: Long) {
+            logger.info("Location received from $from for $For on channel $channel with messageID $messageID at timestamp $timestamp. Location($latitude,$longitude), Address:$address, Accuracy:$accuracy")
+        }
+
+        override fun onConnected() {
+            logger.info("Connected to Zello server.")
+        }
+
+        override fun onDisconnected(reason: String) {
+            logger.info("Disconnected from Zello Server, reason: $reason")
+            logger.info("Reconnecting after 10 seconds...")
+            z.Stop()
+            val e = this
+            CoroutineScope(Dispatchers.Default).launch {
+
+                delay(10000) // Wait for 10 seconds before trying to reconnect
+                z = CreateZelloFromConfig()
+                z.Start(e)
+            }
+        }
+
+        override fun onError(errorMessage: String) {
+            logger.info("Error occurred in Zello client: $errorMessage")
+        }
+
+        override fun onStartStreaming(from: String, For: String, channel: String) {
+            // stop any previous playback
+            afp?.Stop()
+            afp = null
+
+            if (o.Start()){
+                logger.info("Opus Receiver ready for streaming from $from for $For on channel $channel")
+            } else {
+                logger.info("Failed to start Opus Receiver for streaming from $from for $For on channel $channel")
+            }
+        }
+
+        override fun onStopStreaming(from: String, For: String, channel: String) {
+            o.Stop()
+            logger.info("Opus Receiver stopped streaming from $from for $For on channel $channel")
+        }
+
+        override fun onStreamingData(
+            from: String,
+            For: String,
+            channel: String,
+            data: ByteArray
+        ) {
+            if (o.isPlaying) o.PushData(data)
+        }
+    }
+    z.Start(z_event)
+
+    // Start the web application with WebSocket support
     val w = webApp("0.0.0.0",3030, BiFunction {
             source: String, cmd: WsCommand ->
         when (source) {
@@ -70,14 +189,39 @@ fun main() {
                 "setZelloConfig" -> {
                     try{
                         val xx = objectMapper.readValue(cmd.data, object: TypeReference<Map<String, String>>() {})
-                        cfg.ZelloUsername = xx["ZelloUsername"]
+                        var changed = false
-                        cfg.ZelloPassword = xx["ZelloPassword"]
+                        if (cfg.ZelloUsername != xx["ZelloUsername"]) {
-                        cfg.ZelloChannel = xx["ZelloChannel"]
+                            cfg.ZelloUsername = xx["ZelloUsername"] ?: ""
-                        cfg.ZelloServer = xx["ZelloServer"]
+                            changed = true
-                        cfg.ZelloWorkNetworkName = xx["ZelloWorkNetworkName"]
+                        }
-                        cfg.ZelloEnterpriseServerDomain = xx["ZelloEnterpriseServerDomain"]
+                        if (cfg.ZelloPassword != xx["ZelloPassword"]) {
-                        cfg.Save()
+                            cfg.ZelloPassword = xx["ZelloPassword"] ?: ""
-                        WsReply(cmd.command,"success")
+                            changed = true
+                        }
+                        if (cfg.ZelloChannel != xx["ZelloChannel"]) {
+                            cfg.ZelloChannel = xx["ZelloChannel"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.ZelloServer != xx["ZelloServer"]) {
+                            cfg.ZelloServer = xx["ZelloServer"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.ZelloWorkNetworkName != xx["ZelloWorkNetworkName"]) {
+                            cfg.ZelloWorkNetworkName = xx["ZelloWorkNetworkName"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.ZelloEnterpriseServerDomain != xx["ZelloEnterpriseServerDomain"]) {
+                            cfg.ZelloEnterpriseServerDomain = xx["ZelloEnterpriseServerDomain"] ?: ""
+                            changed = true
+                        }
+                        if (changed){
+                            cfg.Save()
+                            z.Stop()
+                            z = CreateZelloFromConfig()
+                            z.Start(z_event)
+
+                            WsReply(cmd.command,"success")
+                        } else WsReply(cmd.command,"No changes made")
                     } catch (e: Exception){
                         WsReply(cmd.command,"failed: ${e.message}")
                     }
@@ -87,16 +231,43 @@ fun main() {
                     try{
 
                         val xx = objectMapper.readValue(cmd.data, object : TypeReference<Map<String, String>>() {})
-                        cfg.M1 = xx["M1"]
+                        var changed = false
-                        cfg.M2 = xx["M2"]
+                        if (cfg.M1 != xx["M1"]) {
-                        cfg.M3 = xx["M3"]
+                            cfg.M1 = xx["M1"] ?: ""
-                        cfg.M4 = xx["M4"]
+                            changed = true
-                        cfg.M5 = xx["M5"]
+                        }
-                        cfg.M6 = xx["M6"]
+                        if (cfg.M2 != xx["M2"]) {
-                        cfg.M7 = xx["M7"]
+                            cfg.M2 = xx["M2"] ?: ""
-                        cfg.M8 = xx["M8"]
+                            changed = true
-                        cfg.Save()
+                        }
-                        WsReply(cmd.command,"success")
+                        if (cfg.M3 != xx["M3"]) {
+                            cfg.M3 = xx["M3"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.M4 != xx["M4"]) {
+                            cfg.M4 = xx["M4"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.M5 != xx["M5"]) {
+                            cfg.M5 = xx["M5"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.M6 != xx["M6"]) {
+                            cfg.M6 = xx["M6"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.M7 != xx["M7"]) {
+                            cfg.M7 = xx["M7"] ?: ""
+                            changed = true
+                        }
+                        if (cfg.M8 != xx["M8"]) {
+                            cfg.M8 = xx["M8"] ?: ""
+                            changed = true
+                        }
+                        if (changed){
+                            cfg.Save()
+                            WsReply(cmd.command,"success")
+                        } else WsReply(cmd.command,"No changes made")
                     } catch (e: Exception){
                         WsReply(cmd.command,"failed: ${e.message}")
                     }
@@ -121,12 +292,18 @@ fun main() {
                 }
                 "getPlaybackStatus" ->{
                     if (afp!=null && true==afp?.isPlaying){
-                        WsReply(cmd.command, "Playing: ${afp?.ShortFileName()}")
+                        WsReply(cmd.command, "Playing: ${afp?.filename}, Duration: ${afp?.duration?.toInt()}, Elapsed: ${afp?.elapsed?.toInt()} seconds")
                     } else {
                         WsReply(cmd.command, "Idle")
                     }
                 }
                 "playMessage" ->{
+
+                    afp?.Stop()
+                    afp = null
+                    // stop Opus Receiver if it is running
+                    o.Stop()
+
                     val filename = when(cmd.data){
                         "M1" -> cfg.M1
                         "M2" -> cfg.M2
@@ -141,24 +318,21 @@ fun main() {
                         }
                     }
                     if (filename!=null){
-                        val completefilename = Codes.audioFilePath.resolve(filename)
+                        try{
-                        if (completefilename.isRegularFile()){
+                            afp= AudioFilePlayer(audioID, filename)
-                            try{
+                            afp?.Play { _ -> afp = null}
-
+                            WsReply(cmd.command,"success")
-                                val player= AudioFilePlayer(audioID, completefilename.pathString)
-                                player.Play { _ -> afp = null}
-                                afp = player
-                                WsReply(cmd.command,"success")
-
-                            } catch (e: Exception){
-                                WsReply(cmd.command, "failed: ${e.message}")
-                            }
-                        } else WsReply(cmd.command,"File Not Found : $filename")
-                    } else WsReply(cmd.command,"Invalid message name: ${cmd.data}")
-
-
-
 
+                        } catch (e: Exception){
+                            afp?.Stop()
+                            afp = null
+                            WsReply(cmd.command, "failed: ${e.message}")
+                        }
+                    } else {
+                        afp?.Stop()
+                        afp = null
+                        WsReply(cmd.command,"Invalid message name: ${cmd.data}")
+                    }
 
                 }
                 "stopMessage" ->{
@@ -169,6 +343,16 @@ fun main() {
                 else -> WsReply(cmd.command,"Invalid command: ${cmd.command}")
             }
             "pocreceiver" -> when(cmd.command){
+                "getZelloStatus" -> {
+                    var status = "Disconnected"
+                    if (z.currentChannel?.isNotBlank() == true){
+                        status = "Channel: ${z.currentChannel}, Online: ${z.isOnline}, Username: ${z.username}"
+                        if (z.isReceivingStreaming){
+                            status += ", Streaming From: ${z.receivingFrom}, Bytes Received: ${Codes.SizeToString(z.bytesReceived)}"
+                        }
+                    }
+                    WsReply(cmd.command, status)
+                }
                 else -> WsReply(cmd.command,"Invalid command: ${cmd.command}")
             }
             else -> WsReply(cmd.command,"Invalid source: $source")
@@ -177,76 +361,11 @@ fun main() {
     } , Pair("admin","admin1234"))
     w.Start()
 
-    val z = ZelloClient.fromConsumerZello("gtcdevice01","GtcDev2025")
-    z.Start(object : ZelloEvent {
-        override fun onChannelStatus(
-            channel: String,
-            status: String,
-            userOnline: Int,
-            error: String?,
-            errorType: String?
-        ) {
-            println("Channel Status: $channel is $status with $userOnline users online.")
-            if (ValidString(error) && ValidString(errorType)) {
-                println("Error: $error, Type: $errorType")
-            }
-        }
 
-        override fun onAudioData(streamID: Int, from: String, For: String, channel: String, data: ByteArray) {
-            println("Audio Data received from $from for $For on channel $channel with streamID $streamID ")
-        }
 
-        override fun onThumbnailImage(imageID: Int, from: String, For: String, channel: String, data: ByteArray, timestamp: Long) {
-            println("Thumbnail Image received from $from for $For on channel $channel with imageID $imageID at timestamp $timestamp")
-        }
-
-        override fun onFullImage(imageID: Int, from: String, For: String, channel: String, data: ByteArray, timestamp: Long) {
-            println("Full Image received from $from for $For on channel $channel with imageID $imageID at timestamp $timestamp")
-        }
-
-        override fun onTextMessage(messageID: Int, from: String, For: String, channel: String, text: String, timestamp: Long) {
-            println("Text Message received from $from for $For on channel $channel with messageID $messageID at timestamp $timestamp. Text: $text")
-        }
-
-        override fun onLocation(messageID: Int, from: String, For: String, channel: String, latitude: Double, longitude: Double, address: String, accuracy: Double, timestamp: Long) {
-            println("Location received from $from for $For on channel $channel with messageID $messageID at timestamp $timestamp. Location($latitude,$longitude), Address:$address, Accuracy:$accuracy")
-        }
-
-        override fun onConnected() {
-            println("Connected to Zello server.")
-        }
-
-        override fun onDisconnected() {
-            println("Disconnected from Zello server.")
-        }
-
-        override fun onError(errorMessage: String) {
-            println("Error occurred in Zello client: $errorMessage")
-        }
-
-        override fun onStartStreaming(from: String, For: String, channel: String) {
-            if (o.Start()){
-                println("Opus Receiver ready for streaming from $from for $For on channel $channel")
-            } else {
-                println("Failed to start Opus Receiver for streaming from $from for $For on channel $channel")
-            }
-        }
-
-        override fun onStopStreaming(from: String, For: String, channel: String) {
-            o.Stop()
-            println("Opus Receiver stopped streaming from $from for $For on channel $channel")
-        }
-
-        override fun onStreamingData(
-            from: String,
-            For: String,
-            channel: String,
-            data: ByteArray
-        ) {
-            if (o.isPlaying) o.PushData(data)
-        }
-    })
 
 }
 
 
+
+

src/audio/AudioFilePlayer.kt

@@ -4,77 +4,67 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import somecodes.Codes
 import java.util.function.Consumer
-import kotlin.io.path.Path
+import kotlin.io.path.absolutePathString
+import kotlin.io.path.exists
 
 /**
  * Audio Player for playing audio files.
  * Supported extensions : .wav, .mp3
  */
 @Suppress("unused")
-class AudioFilePlayer(deviceID: Int, filename: String, device_samplingrate: Int = 48000) {
+class AudioFilePlayer(deviceID: Int, val filename: String, device_samplingrate: Int = 48000) {
-    val bass: Bass = Bass.Instance
+    private val bass: Bass = Bass.Instance
-    var filehandle = 0
+    private var filehandle = 0
     var isPlaying = false
-    private val filepath = Path(filename)
+    val fileSize: Long
+    val duration: Double
+    var elapsed: Double = 0.0
     init{
-        if (bass.BASS_SetDevice(deviceID)){
+        val fullpath = Codes.audioFilePath.resolve(filename)
-            filehandle = bass.BASS_StreamCreateFile(false, filename, 0, 0, 0)
+        if (fullpath.exists()){
-            if (filehandle == 0) {
+            if (AudioUtility.InitDevice(deviceID, device_samplingrate)) {
-                throw Exception("Failed to create stream for file $filename: ${bass.BASS_ErrorGetCode()}")
+                filehandle = bass.BASS_StreamCreateFile(false, fullpath.absolutePathString(), 0, 0, 0)
-            }
+                if (filehandle!=0){
-        } else throw Exception("Failed to set device $deviceID")
+                    fileSize = bass.BASS_ChannelGetLength(filehandle, Bass.BASS_POS_BYTE)
+                    duration = bass.BASS_ChannelBytes2Seconds(filehandle, fileSize)
+                } else throw Exception("Failed to create stream for file $filename: ${bass.BASS_ErrorGetCode()}")
+
+            } else throw Exception("Error initializing device $deviceID with sampling rate $device_samplingrate, code ${bass.BASS_ErrorGetCode()}")
+        } else throw Exception("File $filename does not exists")
+
     }
 
     fun Stop(){
         if (filehandle!=0){
-            bass.BASS_ChannelStop(filehandle)
+            bass.BASS_ChannelFree(filehandle)
-            bass.BASS_StreamFree(filehandle)
             filehandle = 0
         }
-    }
+        isPlaying = false
-
+        AudioUtility.Free()
-    fun ShortFileName() : String {
-        return filepath.fileName.toString()
     }
 
     fun Play(finished: Consumer<Any> ) : Boolean{
         if (bass.BASS_ChannelPlay(filehandle, false)){
-
+            elapsed = 0.0
             CoroutineScope(Dispatchers.Default).launch {
                 isPlaying = true
                 while(true){
-                    delay(1000)
+                    delay(50)
 
                     if (bass.BASS_ChannelIsActive(filehandle)!= Bass.BASS_ACTIVE_PLAYING){
                         // finished playing
                         break
                     }
+                    elapsed = bass.BASS_ChannelBytes2Seconds(filehandle, bass.BASS_ChannelGetPosition(filehandle, Bass.BASS_POS_BYTE))
                 }
                 isPlaying = false
-                bass.BASS_StreamFree(filehandle)
+                bass.BASS_ChannelFree(filehandle)
                 filehandle = 0
                 finished.accept(true)
             }
-            // Revisi 06/08/2025 Ganti thread dengan Coroutine
+
-//            val thread = Thread{
-//                isPlaying = true
-//                while(true){
-//                    Thread.sleep(1000)
-//
-//                    if (bass.BASS_ChannelIsActive(filehandle)!= Bass.BASS_ACTIVE_PLAYING){
-//                        // finished playing
-//                        break
-//                    }
-//                }
-//                isPlaying = false
-//                bass.BASS_StreamFree(filehandle)
-//                filehandle = 0
-//                finished.accept(true)
-//            }
-//            thread.name = "AudioFilePlayer $filename"
-//            thread.isDaemon = true
-//            thread.start()
             return true
         }
         return false

src/audio/AudioUtility.kt

@@ -3,39 +3,61 @@ import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 
 class AudioUtility {
-    private val bass = Bass.Instance
+
     private val logger : Logger = LoggerFactory.getLogger(AudioUtility::class.java)
 
+
+
+    companion object{
+        private val bass = Bass.Instance
+
+        fun DetectPlaybackDevices() : List<Pair<Int, String>> {
+            val result = ArrayList<Pair<Int, String>>()
+            for(i in 0..10){
+                val dev = Bass.BASS_DEVICEINFO()
+                if (bass.BASS_GetDeviceInfo(i, dev)){
+                    if (dev.flags and Bass.BASS_DEVICE_ENABLED != 0){
+                        result.add(Pair(i, dev.name))
+                    }
+                }
+            }
+            return result
+        }
+
+        fun InitDevice(deviceID: Int, device_samplingrate: Int = 48000) : Boolean {
+            val dev = Bass.BASS_DEVICEINFO()
+            if (bass.BASS_GetDeviceInfo(deviceID, dev)) {
+                if (dev.flags and Bass.BASS_DEVICE_ENABLED > 0){
+                    if (dev.flags and Bass.BASS_DEVICE_INIT > 0){
+                        return true     // sudah init
+                    } else {
+                        val initflag = Bass.BASS_DEVICE_16BITS or Bass.BASS_DEVICE_MONO
+                        return bass.BASS_Init(deviceID, device_samplingrate,initflag)
+                    }
+                }
+            }
+            return false        // gagal GetDeviceInfo
+        }
+
+        /**
+         * Check if the device is having some handles opened.
+         * @param deviceID the device ID to check
+         * @return true if the device is opening something, false otherwise
+         */
+        fun DeviceIsOpeningSomething(deviceID: Int) : Boolean {
+            return bass.BASS_GetConfig(Bass.BASS_CONFIG_HANDLES) > 0
+
+        }
+
+        fun Free(){
+            bass.BASS_Free()
+        }
+    }
+
     init{
         logger.info("Bass Version = ${bass.BASS_GetVersion().toHexString()}")
     }
 
-    fun DetectPlaybackDevices() : List<Pair<Int, String>> {
-        val result = ArrayList<Pair<Int, String>>()
-        for(i in 0..10){
-            val dev = Bass.BASS_DEVICEINFO()
-            if (bass.BASS_GetDeviceInfo(i, dev)){
-                if (dev.flags and Bass.BASS_DEVICE_ENABLED != 0){
-                    result.add(Pair(i, dev.name))
-                }
-            }
-        }
-        return result
-    }
 
-    fun InitDevice(deviceID: Int, device_samplingrate: Int = 48000) : Boolean {
-        val dev = Bass.BASS_DEVICEINFO()
-        if (bass.BASS_GetDeviceInfo(deviceID, dev)) {
-            if (dev.flags and Bass.BASS_DEVICE_ENABLED > 0){
-                if (dev.flags and Bass.BASS_DEVICE_INIT > 0){
-                    return true     // sudah init
-                } else {
-                    val initflag = Bass.BASS_DEVICE_16BITS or Bass.BASS_DEVICE_MONO
-                    return bass.BASS_Init(deviceID, device_samplingrate,initflag)
-                }
-            }
-        }
-        return false        // gagal GetDeviceInfo
-    }
 
 }

src/audio/OpusStreamReceiver.kt

@@ -12,7 +12,7 @@ import org.slf4j.LoggerFactory
  * @throws Exception if the device cannot be set.
  */
 @Suppress("unused")
-class OpusStreamReceiver(deviceID: Int, val samplingrate: Int = 16000) {
+class OpusStreamReceiver(val deviceID: Int, val samplingrate: Int = 16000) {
     private val bass = Bass.Instance
     private val bassopus = BASSOPUS.Instance
     private var filehandle = 0
@@ -20,29 +20,29 @@ class OpusStreamReceiver(deviceID: Int, val samplingrate: Int = 16000) {
     var isPlaying = false
 
 
-    init{
+
-        if (!bass.BASS_SetDevice(deviceID)){
-            throw Exception("Failed to set device $deviceID")
-        }
-    }
 
     /**
      * Starts the Opus stream playback.
      * @return true if the stream started successfully, false otherwise.
      */
     fun Start() : Boolean{
-        val opushead = BASSOPUS.BASS_OPUS_HEAD()
+
-        opushead.version = 1
+        if (AudioUtility.InitDevice(deviceID, samplingrate)){
-        opushead.channels = 1
+            val opushead = BASSOPUS.BASS_OPUS_HEAD()
-        opushead.inputrate = samplingrate
+            opushead.version = 1
-        val procpush = Pointer(-1)
+            opushead.channels = 1
-        filehandle = bassopus.BASS_OPUS_StreamCreate(opushead,0, procpush, null)
+            opushead.inputrate = samplingrate
-        if (filehandle != 0){
+            val procpush = Pointer(-1)
-            if (bass.BASS_ChannelPlay(filehandle,false)){
+            filehandle = bassopus.BASS_OPUS_StreamCreate(opushead,0, procpush, null)
-                isPlaying = true
+            if (filehandle != 0){
-                return true
+                if (bass.BASS_ChannelPlay(filehandle,false)){
-            } else logger.error("BASS_ChannelPlay failed for filehandle $filehandle, code ${bass.BASS_ErrorGetCode()}")
+                    isPlaying = true
-        } else logger.error("BASS_OPUS_StreamCreate failed, code ${bass.BASS_ErrorGetCode()}")
+                    return true
+                } else logger.error("BASS_ChannelPlay failed for filehandle $filehandle, code ${bass.BASS_ErrorGetCode()}")
+            } else logger.error("BASS_OPUS_StreamCreate failed, code ${bass.BASS_ErrorGetCode()}")
+        } else logger.error("Error initializing device $deviceID with sampling rate $samplingrate, code ${bass.BASS_ErrorGetCode()}")
+
         return false
     }
 
@@ -51,11 +51,11 @@ class OpusStreamReceiver(deviceID: Int, val samplingrate: Int = 16000) {
      */
     fun Stop(){
         if (filehandle!=0){
-            bass.BASS_ChannelStop(filehandle)
+            bass.BASS_ChannelFree(filehandle)
-            bass.BASS_StreamFree(filehandle)
             filehandle = 0
-            isPlaying = false
         }
+        isPlaying = false
+        AudioUtility.Free()
     }
 
     /**

src/somecodes/Codes.kt

@@ -9,6 +9,18 @@ class Codes {
     companion object{
         val audioFilePath = Path(System.getProperty("user.dir"), "audiofile")
         private val validAudioExtensions = setOf("wav", "mp3")
+        private val KB_size = 1024 // 1 KB = 1024 bytes
+        private val MB_size = 1024 * KB_size // 1 MB = 1024 KB
+        private val GB_size = 1024 * MB_size // 1 GB = 1024 MB
+
+        fun SizeToString(size: Long) : String {
+            return when {
+                size >= GB_size -> String.format("%.2f GB", size.toDouble() / GB_size)
+                size >= MB_size -> String.format("%.2f MB", size.toDouble() / MB_size)
+                size >= KB_size -> String.format("%.2f KB", size.toDouble() / KB_size)
+                else -> "$size bytes"
+            }
+        }
         fun getAudioFiles() : Array<String> {
             val audioDir = audioFilePath.toFile()
             if (!audioDir.exists()) {

src/web/webApp.java

@@ -10,7 +10,6 @@ import somecodes.Codes;
 
 import java.io.InputStream;
 import java.nio.file.Files;
-import java.nio.file.Path;
 import java.nio.file.StandardCopyOption;
 import java.util.HashMap;
 import java.util.Map;
@@ -72,7 +71,7 @@ public class webApp {
                         String message = wsMessageContext.message();
                         try{
                             var command = objectMapper.readValue(message, WsCommand.class);
-                            logger.info("Received command from pocreceiver.html/ws : {}", command);
+                            //logger.info("Received command from pocreceiver.html/ws : {}", command);
                             var reply = callback.apply("pocreceiver", command);
                             wsMessageContext.send(reply);
                         } catch (Exception e){

src/zello/ZelloClient.kt

@@ -2,10 +2,6 @@ package zello
 
 import com.fasterxml.jackson.module.kotlin.contains
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
 import org.java_websocket.client.WebSocketClient
 import org.java_websocket.handshake.ServerHandshake
 import org.slf4j.Logger
@@ -20,23 +16,27 @@ import java.util.function.BiConsumer
 /**
  * ZelloClient is a WebSocket client for connecting to Zello services.
  * [Source](https://github.com/zelloptt/zello-channel-api/blob/master/API.md)
+ * @param address the WebSocket address of the Zello server, e.g. "wss://zello.io/ws"
+ * @param username the username for Zello authentication
+ * @param password the password for Zello authentication
+ * @param channel the default channel to join after connecting
  *
  */
-class ZelloClient(val address : URI, val username: String, val password: String) {
+class ZelloClient(val address : URI, val username: String, val password: String, val channel: String="GtcDev2025") {
     private val streamJob = HashMap<Int, ZelloAudioJob>()
     private val imageJob = HashMap<Int, ZelloImageJob>()
     private val commandJob = HashMap<Int, Any>()
     companion object {
-        fun fromConsumerZello(username : String, password: String) : ZelloClient {
+        fun fromConsumerZello(username : String, password: String, channel: String) : ZelloClient {
-            return ZelloClient(URI.create("wss://zello.io/ws"), username, password)
+            return ZelloClient(URI.create("wss://zello.io/ws"), username, password, channel)
         }
 
-        fun fromZelloWork(username: String, password: String, networkName : String) : ZelloClient{
+        fun fromZelloWork(username: String, password: String, channel: String, networkName : String) : ZelloClient{
-            return ZelloClient(URI.create("wss://zellowork.io/ws/$networkName"), username, password)
+            return ZelloClient(URI.create("wss://zellowork.io/ws/$networkName"), username, password, channel)
         }
 
-        fun fromZelloEnterpriseServer(username: String, password: String, serverDomain: String) : ZelloClient{
+        fun fromZelloEnterpriseServer(username: String, password: String, channel: String, serverDomain: String) : ZelloClient{
-            return ZelloClient(URI.create("wss://$serverDomain/ws/mesh"), username, password)
+            return ZelloClient(URI.create("wss://$serverDomain/ws/mesh"), username, password, channel)
         }
     }
 
@@ -45,21 +45,29 @@ class ZelloClient(val address : URI, val username: String, val password: String)
     // this key is temporary, valid only 30 days from 2025-07-29
     // if need to create, from https://developers.zello.com/keys
     private val developerKey : String  = "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJpc3MiOiJXa002Y21ScllYSjBiMjV2T2pFLi1yYjJ2THFRbUhYV3dKY2I2azl2TDdUMEtzRWZMRjcxZm5jcktTZ0s2ZE0iLCJleHAiOjE3NTY0MzIyMTIsImF6cCI6ImRldiJ9.ANK7BIS6WVVWsQRjcZXyGWrV2RodCUQD4WXWaA6E4Dlyy8bBCMFdbiKN2D7B_x729HQULailnfRhbXF4Avfg14qONdc1XE_0iGiPUO1kfUSgdd11QylOzjxy6FTKSeZmHOh65JZq2dIWxobCcva-RPvbR8TA656upHh32xrWv9zlU0N707FTca04kze0Iq-q-uC5EL82yK10FEvOPDX88MYy71QRYi8Qh_KbSyMcYAhe2bTsiyjm51ZH9ntkRHd0HNiaijNZI6-qXkkp5Soqmzh-bTtbbgmbX4BT3Qpz_IP3epaX3jl_Aq5DHxXwCsJ9FThif9um5D0TWVGQteR0cQ"
-    // default channel to join
-    private var channels = arrayOf("GtcDev2025")
     // refresh token for the session
     // this is set after the first LogonReply
     private var refresh_token: String? = null
 
     private val logger : Logger = LoggerFactory.getLogger(ZelloClient::class.java)
     private val mapper = jacksonObjectMapper()
+
+    var currentChannel: String? = null ; private set
+    var isOnline: Boolean = false ; private set
+    var isReceivingStreaming: Boolean = false
+    var receivingFrom: String? = null; private set
+    var bytesReceived: Long = 0; private set
+
     fun Start(event: ZelloEvent){
         client = object : WebSocketClient(address) {
             override fun onOpen(handshakedata: ServerHandshake?) {
                 //logger.info("Connected to $address")
+                isOnline = false
+                currentChannel = null
+                isReceivingStreaming = false
                 seqID = 0
                 inc_seqID()
-                val lg = LogonCommand.create(seqID,channels, developerKey, username, password)
+                val lg = LogonCommand.create(seqID,arrayOf(channel), developerKey, username, password)
                 val value = mapper.writeValueAsString(lg)
                 send(value)
             }
@@ -82,6 +90,7 @@ class ZelloClient(val address : URI, val username: String, val password: String)
                                 job.pushAudioData(data)
                                 event.onStreamingData(job.from, job.For?:"", job.channel, data)
                             }
+                            bytesReceived += data.size
 
                         }
                         0x02.toByte() ->{
@@ -130,7 +139,7 @@ class ZelloClient(val address : URI, val username: String, val password: String)
                                 refresh_token = lgreply.refresh_token
                                 event.onConnected()
                             } else {
-                                logger.error("Failed to logon: ${lgreply.error ?: "Unknown error"}")
+                                event.onError("Failed to logon: ${lgreply.error ?: "Unknown error"}")
                             }
                         }
                         else ->{
@@ -163,6 +172,8 @@ class ZelloClient(val address : URI, val username: String, val password: String)
                         "on_channel_status" -> {
                             val channelstatus = mapper.treeToValue(jsnode, Event_OnChannelStatus::class.java)
                             event.onChannelStatus(channelstatus.channel, channelstatus.status, channelstatus.users_online, channelstatus.error, channelstatus.error_type)
+                            currentChannel = channelstatus.channel
+                            isOnline = channelstatus.status== "online"
                         }
                         "on_error" -> {
                             val error = mapper.treeToValue(jsnode, Event_OnError::class.java)
@@ -173,6 +184,9 @@ class ZelloClient(val address : URI, val username: String, val password: String)
                             logger.info("Stream started on channel ${streamstart.channel} from ${streamstart.from} for ${streamstart.For}")
                             streamJob[streamstart.stream_id] = ZelloAudioJob.fromEventOnStreamStart(streamstart)
                             event.onStartStreaming(streamstart.from, streamstart.For, streamstart.channel)
+                            isReceivingStreaming = true
+                            receivingFrom = streamstart.from
+                            bytesReceived = 0 // reset bytes received
                         }
                         "on_stream_stop" -> {
                             val streamstop = mapper.treeToValue(jsnode, Event_OnStreamStop::class.java)
@@ -184,6 +198,8 @@ class ZelloClient(val address : URI, val username: String, val password: String)
                                 event.onStopStreaming(job.from, job.For?:"", job.channel)
                                 event.onAudioData(job.streamID, job.from, job.For?:"", job.channel, job.getAudioData())
                             }
+                            isReceivingStreaming = false
+                            receivingFrom = null
                         }
                         "on_image" ->{
                             val image = mapper.treeToValue(jsnode, Event_OnImage::class.java)
@@ -209,12 +225,10 @@ class ZelloClient(val address : URI, val username: String, val password: String)
 
             override fun onClose(code: Int, reason: String?, remote: Boolean) {
                 logger.info("Closed from ${if (remote) "Remote side" else "Local side"}, Code=$code, Reason=$reason")
-                event.onDisconnected()
+                event.onDisconnected(reason?: "Unknown reason")
-                // try reconnecting after 10 seconds
+                isOnline = false
-                CoroutineScope(Dispatchers.Default).launch {
+                currentChannel = null
-                    delay(10000)
+
-                    connect()
-                }
 
                 //Revisi 06/08/2025 : Change to Coroutines
 //                val thread = Thread {

src/zello/ZelloEvent.kt

@@ -9,7 +9,7 @@ interface ZelloEvent {
     fun onTextMessage(messageID: Int, from: String, For: String, channel: String, text: String, timestamp: Long)
     fun onLocation(messageID: Int, from: String, For: String, channel: String,  latitude: Double, longitude: Double, address:String, accuracy: Double, timestamp: Long )
     fun onConnected()
-    fun onDisconnected()
+    fun onDisconnected(reason: String)
     fun onError(errorMessage: String)
     fun onStartStreaming(from: String, For: String, channel: String)
     fun onStopStreaming(from: String, For: String, channel: String)