reduce duplication:

New shared controller for state + processing + distorted file cleanup
New shared UI section for anonymization header + preset selector

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/uploads/VoiceAnonymizationController.kt

@@ -0,0 +1,126 @@
+/**
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.ui.actions.uploads
+
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import com.vitorpamplona.quartz.utils.Log
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import java.io.File
+
+class VoiceAnonymizationController(
+    private val scope: CoroutineScope,
+    private val logTag: String,
+    private val onError: (Throwable) -> Unit,
+) {
+    var selectedPreset: VoicePreset by mutableStateOf(VoicePreset.NONE)
+        private set
+    var processingPreset: VoicePreset? by mutableStateOf(null)
+        private set
+    var distortedFiles: Map<VoicePreset, AnonymizedResult> by mutableStateOf(emptyMap())
+        private set
+
+    private var processingJob: Job? = null
+
+    fun activeFile(originalFile: File?): File? =
+        if (selectedPreset == VoicePreset.NONE) {
+            originalFile
+        } else {
+            distortedFiles[selectedPreset]?.file
+        }
+
+    fun activeWaveform(originalWaveform: List<Float>?): List<Float>? =
+        if (selectedPreset == VoicePreset.NONE) {
+            originalWaveform
+        } else {
+            distortedFiles[selectedPreset]?.waveform
+        }
+
+    fun selectPreset(
+        preset: VoicePreset,
+        originalFile: File?,
+    ) {
+        if (processingPreset != null || preset == selectedPreset) return
+
+        if (preset == VoicePreset.NONE) {
+            selectedPreset = preset
+            return
+        }
+
+        if (distortedFiles.containsKey(preset)) {
+            selectedPreset = preset
+            return
+        }
+
+        val file = originalFile ?: return
+
+        processingJob?.cancel()
+        processingJob =
+            scope.launch {
+                processingPreset = preset
+                try {
+                    val anonymizer = VoiceAnonymizer()
+                    val result = anonymizer.anonymize(file, preset)
+
+                    result
+                        .onSuccess { anonymizedResult ->
+                            distortedFiles = distortedFiles + (preset to anonymizedResult)
+                            selectedPreset = preset
+                        }.onFailure { error ->
+                            Log.w(logTag, "Failed to anonymize voice", error)
+                            onError(error)
+                        }
+                } finally {
+                    processingPreset = null
+                    processingJob = null
+                }
+            }
+    }
+
+    fun clear() {
+        cancelProcessing()
+        deleteDistortedFiles()
+        selectedPreset = VoicePreset.NONE
+    }
+
+    fun deleteDistortedFiles() {
+        distortedFiles.values.forEach { result ->
+            try {
+                if (result.file.exists()) {
+                    result.file.delete()
+                    Log.d(logTag, "Deleted distorted file: ${result.file.absolutePath}")
+                }
+            } catch (e: Exception) {
+                Log.w(logTag, "Failed to delete distorted file: ${result.file.absolutePath}", e)
+            }
+        }
+        distortedFiles = emptyMap()
+    }
+
+    private fun cancelProcessing() {
+        processingJob?.cancel()
+        processingJob = null
+        processingPreset = null
+    }
+}

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/uploads/VoiceAnonymizationSection.kt

@@ -0,0 +1,79 @@
+/**
+ * Copyright (c) 2025 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.amethyst.ui.actions.uploads
+
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.ui.stringRes
+import com.vitorpamplona.amethyst.ui.theme.DividerThickness
+import com.vitorpamplona.amethyst.ui.theme.Size5dp
+
+@Composable
+fun VoiceAnonymizationSection(
+    selectedPreset: VoicePreset,
+    processingPreset: VoicePreset?,
+    onPresetSelected: (VoicePreset) -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    Column(
+        modifier = modifier.fillMaxWidth(),
+    ) {
+        Spacer(modifier = Modifier.height(16.dp))
+        HorizontalDivider(thickness = DividerThickness)
+        Spacer(modifier = Modifier.height(12.dp))
+
+        Column(
+            verticalArrangement = Arrangement.spacedBy(Size5dp),
+        ) {
+            Text(
+                text = stringRes(R.string.voice_anonymize_title),
+                maxLines = 1,
+                overflow = TextOverflow.Ellipsis,
+            )
+            Text(
+                text = stringRes(R.string.voice_anonymize_description),
+                style = MaterialTheme.typography.bodySmall,
+                color = Color.Gray,
+                maxLines = 3,
+                overflow = TextOverflow.Ellipsis,
+            )
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+        VoicePresetSelector(
+            selectedPreset = selectedPreset,
+            processingPreset = processingPreset,
+            onPresetSelected = onPresetSelected,
+        )
+    }
+}

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/uploads/VoiceAnonymizer.kt

@@ -34,11 +34,11 @@ import be.tarsos.dsp.io.TarsosDSPAudioFloatConverter
 import be.tarsos.dsp.io.TarsosDSPAudioFormat
 import be.tarsos.dsp.resample.RateTransposer
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.withContext
 import java.io.File
 import java.nio.ByteOrder
-import kotlin.coroutines.coroutineContext
 import kotlin.math.abs
 
 data class AnonymizedResult(
@@ -147,7 +147,7 @@ class VoiceAnonymizer {
         var inputDone = false
         var outputDone = false
 
-        while (!outputDone && coroutineContext.isActive) {
+        while (!outputDone && currentCoroutineContext().isActive) {
             if (!inputDone) {
                 val inputBufferIndex = decoder.dequeueInputBuffer(10000)
                 if (inputBufferIndex >= 0) {

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/actions/uploads/VoicePreset.kt

@@ -20,16 +20,14 @@
  */
 package com.vitorpamplona.amethyst.ui.actions.uploads
 
-import androidx.annotation.StringRes
 import com.vitorpamplona.amethyst.R
 
 enum class VoicePreset(
     val pitchFactor: Double,
-    val formantShift: Double,
+    val labelRes: Int,
-    @StringRes val labelRes: Int,
 ) {
-    NONE(1.0, 0.0, R.string.voice_preset_none),
+    NONE(1.0, R.string.voice_preset_none),
-    DEEP(1.4, -3.0, R.string.voice_preset_deep),
+    DEEP(1.4, R.string.voice_preset_deep),
-    HIGH(0.75, 4.0, R.string.voice_preset_high),
+    HIGH(0.75, R.string.voice_preset_high),
-    NEUTRAL(0.9, -2.0, R.string.voice_preset_neutral),
+    NEUTRAL(0.9, R.string.voice_preset_neutral),
 }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/ShortNotePostScreen.kt

@@ -25,7 +25,6 @@ import android.net.Uri
 import android.os.Parcelable
 import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.horizontalScroll
-import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
@@ -39,24 +38,20 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Switch
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Alignment.Companion.CenterVertically
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.input.TextFieldValue
-import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.core.util.Consumer
 import androidx.lifecycle.viewmodel.compose.viewModel
@@ -70,8 +65,8 @@ import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMedia
 import com.vitorpamplona.amethyst.ui.actions.uploads.TakePictureButton
 import com.vitorpamplona.amethyst.ui.actions.uploads.TakeVideoButton
 import com.vitorpamplona.amethyst.ui.actions.uploads.UploadProgressIndicator
+import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceAnonymizationSection
 import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceMessagePreview
-import com.vitorpamplona.amethyst.ui.actions.uploads.VoicePresetSelector
 import com.vitorpamplona.amethyst.ui.components.getActivity
 import com.vitorpamplona.amethyst.ui.navigation.navs.Nav
 import com.vitorpamplona.amethyst.ui.navigation.topbars.PostingTopBar
@@ -101,7 +96,6 @@ import com.vitorpamplona.amethyst.ui.painterRes
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.settings.SettingsRow
 import com.vitorpamplona.amethyst.ui.stringRes
-import com.vitorpamplona.amethyst.ui.theme.DividerThickness
 import com.vitorpamplona.amethyst.ui.theme.Size10dp
 import com.vitorpamplona.amethyst.ui.theme.Size20Modifier
 import com.vitorpamplona.amethyst.ui.theme.Size35dp
@@ -385,29 +379,7 @@ private fun NewPostScreenBody(
 
                             // Voice anonymization section (only show when not uploading and voice is pending)
                             if (postViewModel.voiceRecording != null) {
-                                Spacer(modifier = Modifier.height(16.dp))
+                                VoiceAnonymizationSection(
-                                HorizontalDivider(thickness = DividerThickness)
-                                Spacer(modifier = Modifier.height(12.dp))
-
-                                Column(
-                                    verticalArrangement = Arrangement.spacedBy(Size5dp),
-                                ) {
-                                    Text(
-                                        text = stringRes(R.string.voice_anonymize_title),
-                                        maxLines = 1,
-                                        overflow = TextOverflow.Ellipsis,
-                                    )
-                                    Text(
-                                        text = stringRes(R.string.voice_anonymize_description),
-                                        style = MaterialTheme.typography.bodySmall,
-                                        color = Color.Gray,
-                                        maxLines = 3,
-                                        overflow = TextOverflow.Ellipsis,
-                                    )
-                                }
-
-                                Spacer(modifier = Modifier.height(8.dp))
-                                VoicePresetSelector(
                                     selectedPreset = postViewModel.selectedPreset,
                                     processingPreset = postViewModel.processingPreset,
                                     onPresetSelected = { postViewModel.selectPreset(it) },

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/ShortNotePostViewModel.kt

@@ -50,11 +50,10 @@ import com.vitorpamplona.amethyst.service.uploads.UploadingState
 import com.vitorpamplona.amethyst.ui.actions.NewMessageTagger
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerName
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerType
-import com.vitorpamplona.amethyst.ui.actions.uploads.AnonymizedResult
 import com.vitorpamplona.amethyst.ui.actions.uploads.RecordingResult
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMedia
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMediaProcessing
-import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceAnonymizer
+import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceAnonymizationController
 import com.vitorpamplona.amethyst.ui.actions.uploads.VoicePreset
 import com.vitorpamplona.amethyst.ui.note.creators.draftTags.DraftTagState
 import com.vitorpamplona.amethyst.ui.note.creators.emojiSuggestions.EmojiSuggestionState
@@ -131,7 +130,6 @@ import com.vitorpamplona.quartz.nipA0VoiceMessages.VoiceReplyEvent
 import com.vitorpamplona.quartz.utils.Log
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.launch
@@ -199,26 +197,29 @@ open class ShortNotePostViewModel :
     var voiceOrchestrator by mutableStateOf<UploadOrchestrator?>(null)
 
     // Voice Anonymization
-    var selectedPreset: VoicePreset by mutableStateOf(VoicePreset.NONE)
+    private val voiceAnonymization =
-    var processingPreset: VoicePreset? by mutableStateOf(null)
+        VoiceAnonymizationController(
-    var distortedFiles: Map<VoicePreset, AnonymizedResult> by mutableStateOf(emptyMap())
+            scope = viewModelScope,
-    private var processingJob: Job? = null
+            logTag = "ShortNotePostViewModel",
+            onError = { error ->
+                accountViewModel.toastManager.toast(
+                    stringRes(Amethyst.instance.appContext, R.string.error),
+                    error.message ?: "Voice anonymization failed",
+                )
+            },
+        )
 
     val activeFile: java.io.File?
-        get() =
+        get() = voiceAnonymization.activeFile(voiceLocalFile)
-            if (selectedPreset == VoicePreset.NONE) {
-                voiceLocalFile
-            } else {
-                distortedFiles[selectedPreset]?.file
-            }
 
     val activeWaveform: List<Float>?
-        get() =
+        get() = voiceAnonymization.activeWaveform(voiceRecording?.amplitudes)
-            if (selectedPreset == VoicePreset.NONE) {
+
-                voiceRecording?.amplitudes
+    val selectedPreset: VoicePreset
-            } else {
+        get() = voiceAnonymization.selectedPreset
-                distortedFiles[selectedPreset]?.waveform
+
-            }
+    val processingPreset: VoicePreset?
+        get() = voiceAnonymization.processingPreset
 
     // Polls
     var canUsePoll by mutableStateOf(false)
@@ -820,7 +821,7 @@ open class ShortNotePostViewModel :
 
         multiOrchestrator = null
         isUploadingImage = false
-        processingJob?.cancel()
+        voiceAnonymization.clear()
         deleteVoiceLocalFile()
         voiceRecording = null
         voiceLocalFile = null
@@ -828,8 +829,6 @@ open class ShortNotePostViewModel :
         voiceMetadata = null
         voiceSelectedServer = null
         voiceOrchestrator = null
-        selectedPreset = VoicePreset.NONE
-        processingPreset = null
         pTags = null
 
         wantsPoll = false
@@ -981,13 +980,11 @@ open class ShortNotePostViewModel :
 
     fun selectVoiceRecording(recording: RecordingResult) {
         // Cancel any ongoing processing and delete existing files
-        processingJob?.cancel()
+        voiceAnonymization.clear()
         deleteVoiceLocalFile()
         voiceRecording = recording
         voiceLocalFile = recording.file
         voiceMetadata = null
-        selectedPreset = VoicePreset.NONE
-        processingPreset = null
     }
 
     fun getVoicePreviewMetadata(): AudioMeta? =
@@ -1001,48 +998,11 @@ open class ShortNotePostViewModel :
         }
 
     fun selectPreset(preset: VoicePreset) {
-        if (processingPreset != null || preset == selectedPreset) return
+        voiceAnonymization.selectPreset(preset, voiceLocalFile)
-
-        if (preset == VoicePreset.NONE) {
-            selectedPreset = preset
-            return
-        }
-
-        if (distortedFiles.containsKey(preset)) {
-            selectedPreset = preset
-            return
-        }
-
-        val originalFile = voiceLocalFile ?: return
-
-        processingJob?.cancel()
-        processingJob =
-            viewModelScope.launch {
-                processingPreset = preset
-                try {
-                    val anonymizer = VoiceAnonymizer()
-                    val result = anonymizer.anonymize(originalFile, preset)
-
-                    result
-                        .onSuccess { anonymizedResult ->
-                            distortedFiles = distortedFiles + (preset to anonymizedResult)
-                            selectedPreset = preset
-                        }.onFailure { error ->
-                            Log.w("ShortNotePostViewModel", "Failed to anonymize voice", error)
-                            accountViewModel.toastManager.toast(
-                                stringRes(Amethyst.instance.appContext, R.string.error),
-                                error.message ?: "Voice anonymization failed",
-                            )
-                        }
-                } finally {
-                    processingPreset = null
-                    processingJob = null
-                }
-            }
     }
 
     fun removeVoiceMessage() {
-        processingJob?.cancel()
+        voiceAnonymization.clear()
         deleteVoiceLocalFile()
         voiceRecording = null
         voiceLocalFile = null
@@ -1050,8 +1010,6 @@ open class ShortNotePostViewModel :
         voiceSelectedServer = null
         isUploadingVoice = false
         voiceOrchestrator = null
-        selectedPreset = VoicePreset.NONE
-        processingPreset = null
     }
 
     private fun deleteVoiceLocalFile() {
@@ -1065,18 +1023,6 @@ open class ShortNotePostViewModel :
                 Log.w("ShortNotePostViewModel", "Failed to delete voice file: ${file.absolutePath}", e)
             }
         }
-
-        distortedFiles.values.forEach { result ->
-            try {
-                if (result.file.exists()) {
-                    result.file.delete()
-                    Log.d("ShortNotePostViewModel", "Deleted distorted file: ${result.file.absolutePath}")
-                }
-            } catch (e: Exception) {
-                Log.w("ShortNotePostViewModel", "Failed to delete distorted file: ${result.file.absolutePath}", e)
-            }
-        }
-        distortedFiles = emptyMap()
     }
 
     suspend fun uploadVoiceMessageSync(
@@ -1128,6 +1074,7 @@ open class ShortNotePostViewModel :
                                 )
                             // Delete the local file after successful upload
                             deleteVoiceLocalFile()
+                            voiceAnonymization.deleteDistortedFiles()
                             voiceLocalFile = null
                             voiceRecording = null
                         }

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/VoiceReplyScreen.kt

@@ -37,7 +37,6 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Mic
 import androidx.compose.material.icons.filled.Stop
 import androidx.compose.material3.ExperimentalMaterial3Api
-import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
@@ -48,25 +47,21 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.FileServerSelectionRow
 import com.vitorpamplona.amethyst.ui.actions.uploads.RecordAudioBox
 import com.vitorpamplona.amethyst.ui.actions.uploads.UploadProgressIndicator
+import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceAnonymizationSection
 import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceMessagePreview
-import com.vitorpamplona.amethyst.ui.actions.uploads.VoicePresetSelector
 import com.vitorpamplona.amethyst.ui.actions.uploads.formatSecondsToTime
 import com.vitorpamplona.amethyst.ui.navigation.navs.Nav
 import com.vitorpamplona.amethyst.ui.navigation.topbars.PostingTopBar
 import com.vitorpamplona.amethyst.ui.note.NoteCompose
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.stringRes
-import com.vitorpamplona.amethyst.ui.theme.DividerThickness
 import com.vitorpamplona.amethyst.ui.theme.Size10dp
-import com.vitorpamplona.amethyst.ui.theme.Size5dp
 import com.vitorpamplona.amethyst.ui.theme.StdVertSpacer
 import com.vitorpamplona.amethyst.ui.theme.replyModifier
 
@@ -174,29 +169,7 @@ private fun VoiceReplyScreenBody(
             }
 
             // Voice anonymization section
-            Spacer(modifier = Modifier.height(16.dp))
+            VoiceAnonymizationSection(
-            HorizontalDivider(thickness = DividerThickness)
-            Spacer(modifier = Modifier.height(12.dp))
-
-            Column(
-                verticalArrangement = Arrangement.spacedBy(Size5dp),
-            ) {
-                Text(
-                    text = stringRes(R.string.voice_anonymize_title),
-                    maxLines = 1,
-                    overflow = TextOverflow.Ellipsis,
-                )
-                Text(
-                    text = stringRes(R.string.voice_anonymize_description),
-                    style = MaterialTheme.typography.bodySmall,
-                    color = Color.Gray,
-                    maxLines = 3,
-                    overflow = TextOverflow.Ellipsis,
-                )
-            }
-
-            Spacer(modifier = Modifier.height(8.dp))
-            VoicePresetSelector(
                 selectedPreset = viewModel.selectedPreset,
                 processingPreset = viewModel.processingPreset,
                 onPresetSelected = { viewModel.selectPreset(it) },

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/home/VoiceReplyViewModel.kt

@@ -34,9 +34,8 @@ import com.vitorpamplona.amethyst.service.uploads.UploadOrchestrator
 import com.vitorpamplona.amethyst.service.uploads.UploadingState
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerName
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerType
-import com.vitorpamplona.amethyst.ui.actions.uploads.AnonymizedResult
 import com.vitorpamplona.amethyst.ui.actions.uploads.RecordingResult
-import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceAnonymizer
+import com.vitorpamplona.amethyst.ui.actions.uploads.VoiceAnonymizationController
 import com.vitorpamplona.amethyst.ui.actions.uploads.VoicePreset
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.stringRes
@@ -70,26 +69,29 @@ class VoiceReplyViewModel : ViewModel() {
     var voiceOrchestrator: UploadOrchestrator? by mutableStateOf(null)
     var isUploading: Boolean by mutableStateOf(false)
 
-    var selectedPreset: VoicePreset by mutableStateOf(VoicePreset.NONE)
+    private val voiceAnonymization =
-    var processingPreset: VoicePreset? by mutableStateOf(null)
+        VoiceAnonymizationController(
-    var distortedFiles: Map<VoicePreset, AnonymizedResult> by mutableStateOf(emptyMap())
+            scope = viewModelScope,
-    private var processingJob: Job? = null
+            logTag = "VoiceReplyViewModel",
+            onError = { error ->
+                accountViewModel.toastManager.toast(
+                    stringRes(Amethyst.instance.appContext, R.string.error),
+                    error.message ?: "Voice anonymization failed",
+                )
+            },
+        )
 
     val activeFile: File?
-        get() =
+        get() = voiceAnonymization.activeFile(voiceLocalFile)
-            if (selectedPreset == VoicePreset.NONE) {
-                voiceLocalFile
-            } else {
-                distortedFiles[selectedPreset]?.file
-            }
 
     val activeWaveform: List<Float>?
-        get() =
+        get() = voiceAnonymization.activeWaveform(voiceRecording?.amplitudes)
-            if (selectedPreset == VoicePreset.NONE) {
+
-                voiceRecording?.amplitudes
+    val selectedPreset: VoicePreset
-            } else {
+        get() = voiceAnonymization.selectedPreset
-                distortedFiles[selectedPreset]?.waveform
+
-            }
+    val processingPreset: VoicePreset?
+        get() = voiceAnonymization.processingPreset
 
     private var uploadJob: Job? = null
 
@@ -137,13 +139,11 @@ class VoiceReplyViewModel : ViewModel() {
 
     fun selectRecording(recording: RecordingResult) {
         cancelUpload()
-        processingJob?.cancel()
+        voiceAnonymization.clear()
-        processingPreset = null
         deleteVoiceLocalFile()
         voiceRecording = recording
         voiceLocalFile = recording.file
         voiceMetadata = null
-        selectedPreset = VoicePreset.NONE
     }
 
     private fun cancelUpload() {
@@ -162,61 +162,12 @@ class VoiceReplyViewModel : ViewModel() {
                 Log.w("VoiceReplyViewModel", "Failed to delete voice file: ${file.absolutePath}", e)
             }
         }
-
-        distortedFiles.values.forEach { result ->
-            try {
-                if (result.file.exists()) {
-                    result.file.delete()
-                    Log.d("VoiceReplyViewModel", "Deleted distorted file: ${result.file.absolutePath}")
-                }
-            } catch (e: Exception) {
-                Log.w("VoiceReplyViewModel", "Failed to delete distorted file: ${result.file.absolutePath}", e)
-            }
-        }
-        distortedFiles = emptyMap()
     }
 
     fun canSend(): Boolean = voiceRecording != null && !isUploading && processingPreset == null
 
     fun selectPreset(preset: VoicePreset) {
-        if (processingPreset != null || preset == selectedPreset) return
+        voiceAnonymization.selectPreset(preset, voiceLocalFile)
-
-        if (preset == VoicePreset.NONE) {
-            selectedPreset = preset
-            return
-        }
-
-        if (distortedFiles.containsKey(preset)) {
-            selectedPreset = preset
-            return
-        }
-
-        val originalFile = voiceLocalFile ?: return
-
-        processingJob?.cancel()
-        processingJob =
-            viewModelScope.launch {
-                processingPreset = preset
-                try {
-                    val anonymizer = VoiceAnonymizer()
-                    val result = anonymizer.anonymize(originalFile, preset)
-
-                    result
-                        .onSuccess { anonymizedResult ->
-                            distortedFiles = distortedFiles + (preset to anonymizedResult)
-                            selectedPreset = preset
-                        }.onFailure { error ->
-                            Log.w("VoiceReplyViewModel", "Failed to anonymize voice", error)
-                            accountViewModel.toastManager.toast(
-                                stringRes(Amethyst.instance.appContext, R.string.error),
-                                error.message ?: "Voice anonymization failed",
-                            )
-                        }
-                } finally {
-                    processingPreset = null
-                    processingJob = null
-                }
-            }
     }
 
     fun sendVoiceReply(onSuccess: () -> Unit) {
@@ -326,6 +277,7 @@ class VoiceReplyViewModel : ViewModel() {
                         }
 
                         deleteVoiceLocalFile()
+                        voiceAnonymization.deleteDistortedFiles()
                         voiceLocalFile = null
                         voiceRecording = null
                         voiceMetadata = audioMeta
@@ -348,7 +300,7 @@ class VoiceReplyViewModel : ViewModel() {
 
     fun cancel() {
         cancelUpload()
-        processingJob?.cancel()
+        voiceAnonymization.clear()
         deleteVoiceLocalFile()
         voiceRecording = null
         voiceLocalFile = null
@@ -356,8 +308,6 @@ class VoiceReplyViewModel : ViewModel() {
         voiceSelectedServer = null
         isUploading = false
         voiceOrchestrator = null
-        selectedPreset = VoicePreset.NONE
-        processingPreset = null
     }
 
     override fun onCleared() {