radio: add activation controls, live VAD meters and signal diagnostics

tools/chatgui-android/app/src/main/java/com/utun/chat/data/NativeLib.kt

@@ -214,7 +214,8 @@ object NativeLib {
     fun radioAudioStop() { nativeRadioAudioStop() }
     fun radioCaptureStart(groupId: Long, channels: Int, mode: Int): Boolean = nativeRadioCaptureStart(groupId, channels, mode)
     fun radioConfigure(requestId: Long, settings: RadioAutoSettings): Boolean = nativeRadioConfigure(requestId, settings.nativeValues())
-    fun radioInputStatus(): FloatArray = nativeRadioInputStatus() // уровень dBFS, valid, RX-блокировка
+    // dBFS, valid, RX-блокировка, вероятность речи 0..1, vadValid, усиление VAD в dB, компрессор VAD включён.
+    fun radioInputStatus(): FloatArray = nativeRadioInputStatus()
     fun radioCaptureStop() { nativeRadioCaptureStop() }
     fun radioTransmitting(): Boolean = nativeRadioTransmitting()
     fun radioAutoMode(): Int = nativeRadioAutoMode()

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/SettingsScreen.kt

@@ -584,7 +584,7 @@ private fun DeveloperSettingsTab(vm: ChatViewModel, onDirty: (Boolean) -> Unit,
         dismissButton = { TextButton(onClick = { showClearDb = false }) { Text(stringResource(R.string.cancel)) } })
 }
 
-/* Настройка детектора использует тот же native RMS, что и фактическая передача. */
+/* Измерители показывают фактические RMS и вероятность речи из native-детекторов. */
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 internal fun RadioAutomaticSettings(provider: ConfigProvider, compact: Boolean = false) {
@@ -596,6 +596,9 @@ internal fun RadioAutomaticSettings(provider: ConfigProvider, compact: Boolean =
     var saveError by remember { mutableStateOf(false) }
     var resumed by remember { mutableStateOf(false) }
     var level by remember { mutableStateOf<Float?>(null) }
+    var vadProbability by remember { mutableStateOf<Float?>(null) }
+    var vadGain by remember { mutableStateOf<Float?>(null) }
+    var vadCompressorEnabled by remember { mutableStateOf(false) }
     var blocked by remember { mutableStateOf(false) }
     var active by remember { mutableStateOf(engine.isActive()) }
     var micPermission by remember { mutableStateOf(MicrophonePermission.granted()) }
@@ -607,12 +610,15 @@ internal fun RadioAutomaticSettings(provider: ConfigProvider, compact: Boolean =
         onPauseOrDispose { resumed = false; engine.setLevelMonitoring(false) }
     }
     LaunchedEffect(resumed) {
-        if (!resumed) { level = null; return@LaunchedEffect }
+        if (!resumed) { level = null; vadProbability = null; vadGain = null; return@LaunchedEffect }
         while (true) {
             val status = NativeLib.radioInputStatus()
             active = engine.isActive()
             micPermission = MicrophonePermission.granted()
             level = if (active && status[1] != 0f) status[0] else null
+            vadProbability = if (active && status[4] != 0f) status[3] else null
+            vadGain = if (active && status[4] != 0f) status[5] else null
+            vadCompressorEnabled = status[6] != 0f
             blocked = status[2] != 0f
             delay(100)
         }
@@ -661,19 +667,34 @@ internal fun RadioAutomaticSettings(provider: ConfigProvider, compact: Boolean =
         Text("−90 dBFS", style = MaterialTheme.typography.bodySmall)
         Text("0", style = MaterialTheme.typography.bodySmall)
     }
-    if (draft.mode == RadioAutoSettings.LEVEL) {
-        LabeledSlider(stringResource(R.string.radio_level_on), draft.levelOn.toFloat(), -90f..0f, 89, "${draft.levelOn} dBFS",
-            { if (!saving) draft = draft.copy(levelOn = it.toInt()) })
-        LabeledSlider(stringResource(R.string.radio_level_off), draft.levelOff.toFloat(), -90f..0f, 89, "${draft.levelOff} dBFS",
-            { if (!saving) draft = draft.copy(levelOff = it.toInt()) })
-    } else {
-        LabeledSlider(stringResource(R.string.speech_threshold), draft.vadThreshold.toFloat(), 10f..95f, 84, "${draft.vadThreshold}%",
-            { if (!saving) draft = draft.copy(vadThreshold = it.toInt()) })
-        if (!compact) LabeledSlider(stringResource(R.string.vad_max_gain), draft.vadGain.toFloat(), 1f..60f, 58, "${draft.vadGain} dB",
-            { if (!saving) draft = draft.copy(vadGain = it.toInt()) })
-        if (!compact) Text(stringResource(R.string.vad_compressor_hint), style = MaterialTheme.typography.bodySmall)
+    LabeledSlider(stringResource(R.string.radio_level_on), draft.levelOn.toFloat(), -90f..0f, 89, "${draft.levelOn} dBFS",
+        { if (!saving) draft = draft.copy(levelOn = it.toInt()) })
+    LabeledSlider(stringResource(R.string.radio_level_off), draft.levelOff.toFloat(), -90f..0f, 89, "${draft.levelOff} dBFS",
+        { if (!saving) draft = draft.copy(levelOff = it.toInt()) })
+    HorizontalDivider()
+    Text(stringResource(R.string.vad_button), style = MaterialTheme.typography.titleSmall)
+    Text(vadProbability?.let { stringResource(R.string.radio_vad_current, it * 100f) } ?: stringResource(when {
+        !saved.enabled || saved.mode != RadioAutoSettings.VAD -> R.string.radio_vad_enable
+        blocked -> R.string.radio_vad_busy
+        else -> R.string.radio_vad_unavailable
+    }), style = MaterialTheme.typography.bodySmall)
+    Canvas(Modifier.fillMaxWidth().height(20.dp)) {
+        drawRect(background)
+        vadProbability?.let { drawRect(Color(0xFF27AE60), size = Size(it.coerceIn(0f, 1f) * size.width, size.height)) }
+        val thresholdX = draft.vadThreshold / 100f * size.width
+        drawLine(Color(0xFFE67E22), Offset(thresholdX, 0f), Offset(thresholdX, size.height), 3.dp.toPx())
     }
-    if (!compact) LabeledSlider(stringResource(R.string.silence_delay), draft.hangoverMs.toFloat(), 50f..2000f, 38,
+    LabeledSlider(stringResource(R.string.speech_threshold), draft.vadThreshold.toFloat(), 10f..95f, 84, "${draft.vadThreshold}%",
+        { if (!saving) draft = draft.copy(vadThreshold = it.toInt()) })
+    Text(when {
+        vadGain == null -> stringResource(R.string.radio_vad_gain_unavailable)
+        !vadCompressorEnabled -> stringResource(R.string.radio_vad_compressor_off)
+        else -> stringResource(R.string.radio_vad_gain_current, vadGain!!)
+    }, style = MaterialTheme.typography.bodySmall)
+    LabeledSlider(stringResource(R.string.vad_max_gain), draft.vadGain.toFloat(), 1f..60f, 58, "${draft.vadGain} dB",
+        { if (!saving) draft = draft.copy(vadGain = it.toInt()) })
+    if (!compact) Text(stringResource(R.string.vad_compressor_hint), style = MaterialTheme.typography.bodySmall)
+    LabeledSlider(stringResource(R.string.silence_delay), draft.hangoverMs.toFloat(), 50f..2000f, 38,
         stringResource(R.string.milliseconds, draft.hangoverMs), { if (!saving) draft = draft.copy(hangoverMs = it.toInt()) })
     if (draft.levelOff >= draft.levelOn) Text(stringResource(R.string.radio_level_invalid), color = MaterialTheme.colorScheme.error)
     if (saveError) Text(stringResource(R.string.radio_auto_save_failed), color = MaterialTheme.colorScheme.error)

tools/chatgui-android/app/src/main/res/values-ru/strings.xml

@@ -407,6 +407,13 @@
     <string name="radio_level_allow_mic">"Разрешить доступ к микрофону"</string>
     <string name="radio_level_unavailable">"Уровень микрофона недоступен"</string>
     <string name="radio_level_current">"Текущий уровень: %1$.1f dBFS"</string>
+    <string name="radio_vad_current">"Вероятность речи VAD: %1$.1f%%"</string>
+    <string name="radio_vad_enable">"Включите автопередачу в режиме VAD для оценки вероятности речи"</string>
+    <string name="radio_vad_busy">"Оценка VAD приостановлена: эфир занят"</string>
+    <string name="radio_vad_unavailable">"Оценка вероятности речи VAD недоступна"</string>
+    <string name="radio_vad_gain_current">"Текущее усиление компрессора VAD: %1$+.1f dB"</string>
+    <string name="radio_vad_gain_unavailable">"Текущее усиление компрессора VAD: —"</string>
+    <string name="radio_vad_compressor_off">"Компрессор VAD выключен (0 dB)"</string>
     <string name="radio_level_on">"Порог включения (оранжевый):"</string>
     <string name="radio_level_off">"Порог отключения (синий):"</string>
     <string name="radio_level_invalid">"Порог отключения должен быть ниже порога включения"</string>

tools/chatgui-android/app/src/main/res/values/strings.xml

@@ -406,6 +406,13 @@
     <string name="radio_level_allow_mic">"Allow microphone access"</string>
     <string name="radio_level_unavailable">"Microphone level unavailable"</string>
     <string name="radio_level_current">"Current level: %1$.1f dBFS"</string>
+    <string name="radio_vad_current">"VAD speech probability: %1$.1f%%"</string>
+    <string name="radio_vad_enable">"Enable automatic transmission in VAD mode to see speech probability"</string>
+    <string name="radio_vad_busy">"VAD measurement paused: channel busy"</string>
+    <string name="radio_vad_unavailable">"VAD speech probability unavailable"</string>
+    <string name="radio_vad_gain_current">"Current VAD compressor gain: %1$+.1f dB"</string>
+    <string name="radio_vad_gain_unavailable">"Current VAD compressor gain: —"</string>
+    <string name="radio_vad_compressor_off">"VAD compressor off (0 dB)"</string>
     <string name="radio_level_on">"Start threshold (orange):"</string>
     <string name="radio_level_off">"Stop threshold (blue):"</string>
     <string name="radio_level_invalid">"The stop threshold must be lower than the start threshold"</string>