Compress stream audio before Opus using radio settings

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

@@ -12,6 +12,7 @@ import androidx.datastore.preferences.preferencesDataStore
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.runBlocking
 import java.net.Inet4Address
 import java.net.Inet6Address
@@ -34,6 +35,8 @@ data class VoiceSettings(
     val targetLevelDb: Int = -3
 )
 
+data class RadioCompressorSettings(val enabled: Boolean = true, val maxGainDb: Int = 15, val riseRate: Int = 6)
+
 class ConfigProvider(private val context: Context) {
     private val nodePrivateKey = stringPreferencesKey("node_private_key")
     private val nodePublicKey = stringPreferencesKey("node_public_key")
@@ -88,6 +91,12 @@ class ConfigProvider(private val context: Context) {
     private val radioCompressorEnabledKey = intPreferencesKey("radio_compressor_enabled")
     private val radioCompressorMaxGainDbKey = intPreferencesKey("radio_compressor_max_gain_db")
 
+    // Трансляция наблюдает те же настройки TX, что и рация; история PCM у каждого владельца своя.
+    val radioCompressorSettings: Flow<RadioCompressorSettings> = context.dataStore.data.map { prefs ->
+        RadioCompressorSettings((prefs[radioCompressorEnabledKey] ?: 1) != 0,
+            prefs[radioCompressorMaxGainDbKey] ?: 15, prefs[chatCompressorRiseRate] ?: 6)
+    }.distinctUntilChanged()
+
     private fun keysFilePath(): String {
         val dir = runBlocking { context.dataStore.data.first()[dbPath] } ?: context.filesDir.absolutePath
         return "$dir/keys.conf"

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

@@ -209,7 +209,8 @@ object NativeLib {
     fun streamStop(id: Long) { nativeStreamStop(id) }
     fun streamPull(id: Long): ByteArray? = nativeStreamPull(id)
     fun streamOpusCreate(encode: Boolean): Long = nativeStreamOpusCreate(encode)
-    fun streamOpusEncode(handle: Long, pcm: ShortArray): ByteArray? = nativeStreamOpusEncode(handle, pcm)
+    fun streamOpusEncode(handle: Long, pcm: ShortArray, compressor: RadioCompressorSettings): ByteArray? =
+        nativeStreamOpusEncode(handle, pcm, compressor.enabled, compressor.maxGainDb, compressor.riseRate)
     fun streamOpusDecode(handle: Long, packet: ByteArray): ShortArray? = nativeStreamOpusDecode(handle, packet)
     fun streamOpusClose(handle: Long) { nativeStreamOpusClose(handle) }
     private external fun nativeStreamOpen(id: Long, group: Long, source: Long, width: Int, height: Int, rotation: Int,
@@ -220,7 +221,7 @@ object NativeLib {
     private external fun nativeStreamStop(id: Long)
     private external fun nativeStreamPull(id: Long): ByteArray?
     private external fun nativeStreamOpusCreate(encode: Boolean): Long
-    private external fun nativeStreamOpusEncode(handle: Long, pcm: ShortArray): ByteArray?
+    private external fun nativeStreamOpusEncode(handle: Long, pcm: ShortArray, compressor: Boolean, maxGainDb: Int, riseRate: Int): ByteArray?
     private external fun nativeStreamOpusDecode(handle: Long, packet: ByteArray): ShortArray?
     private external fun nativeStreamOpusClose(handle: Long)