Merge pull request #1672 from davotoula/voice-notes-code-review-fixes

Voice notes enhancements and code review fixes
2026-01-20 08:33:11 -05:00
parent 6f62e2c7b1 505a6583ee
commit f134f815d0
16 changed files with 226 additions and 177 deletions
@@ -42,11 +42,14 @@ import com.vitorpamplona.amethyst.ui.stringRes
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive

+const val MAX_VOICE_RECORD_SECONDS = 180
+
@OptIn(ExperimentalPermissionsApi::class)
@Composable
 fun RecordAudioBox(
    modifier: Modifier,
    onRecordTaken: (RecordingResult) -> Unit,
+    maxDurationSeconds: Int? = null,
    content: @Composable (Boolean, Int) -> Unit,
 ) {
    val mediaRecorder = remember { mutableStateOf<VoiceMessageRecorder?>(null) }
@@ -107,6 +110,10 @@ fun RecordAudioBox(
            while (isActive) {
                delay(1000)
                elapsedSeconds++
+                if (maxDurationSeconds != null && elapsedSeconds >= maxDurationSeconds) {
+                    stopRecording()
+                    break
+                }
            }
        } else {
            // Reset elapsed time when not recording
@@ -42,7 +42,10 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.ui.stringRes

@Composable
-fun RecordVoiceButton(onVoiceTaken: (RecordingResult) -> Unit) {
+fun RecordVoiceButton(
+    onVoiceTaken: (RecordingResult) -> Unit,
+    maxDurationSeconds: Int? = null,
+) {
    var isRecording by remember { mutableStateOf(false) }
    var elapsedSeconds by remember { mutableIntStateOf(0) }

@@ -61,6 +64,7 @@ fun RecordVoiceButton(onVoiceTaken: (RecordingResult) -> Unit) {
                elapsedSeconds = 0
                onVoiceTaken(recording)
            },
+            maxDurationSeconds = maxDurationSeconds,
        ) { recordingState, elapsed ->
            // Update parent state after composition completes
            SideEffect {
@@ -61,6 +61,7 @@ class VoiceAnonymizationController(
        preset: VoicePreset,
        originalFile: File?,
    ) {
+        Log.d(logTag, "selectPreset called with: ${preset.name}, pitchFactor: ${preset.pitchFactor}")
        if (processingPreset != null || preset == selectedPreset) return

        if (preset == VoicePreset.NONE) {
@@ -76,9 +77,9 @@ class VoiceAnonymizationController(
        val file = originalFile ?: return

        processingJob?.cancel()
+        processingPreset = preset
        processingJob =
            scope.launch {
-                processingPreset = preset
                try {
                    val anonymizer = VoiceAnonymizer()
                    val result = anonymizer.anonymize(file, preset)
@@ -108,8 +109,11 @@ class VoiceAnonymizationController(
        distortedFiles.values.forEach { result ->
            try {
                if (result.file.exists()) {
-                    result.file.delete()
-                    Log.d(logTag, "Deleted distorted file: ${result.file.absolutePath}")
+                    if (result.file.delete()) {
+                        Log.d(logTag, "Deleted distorted file: ${result.file.absolutePath}")
+                    } else {
+                        Log.w(logTag, "Failed to delete distorted file: ${result.file.absolutePath}")
+                    }
                }
            } catch (e: Exception) {
                Log.w(logTag, "Failed to delete distorted file: ${result.file.absolutePath}", e)
@@ -30,7 +30,6 @@ 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
@@ -63,7 +62,7 @@ fun VoiceAnonymizationSection(
            Text(
                text = stringRes(R.string.voice_anonymize_description),
                style = MaterialTheme.typography.bodySmall,
-                color = Color.Gray,
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
                maxLines = 3,
                overflow = TextOverflow.Ellipsis,
            )
@@ -41,12 +41,26 @@ import java.io.File
 import java.nio.ByteOrder
 import kotlin.math.abs

+/**
+ * Result of voice anonymization processing.
+ *
+ * @property file The output audio file (AAC in MP4 container)
+ * @property waveform Amplitude data for waveform visualization (one value per second)
+ * @property duration Audio duration in seconds
+ */
 data class AnonymizedResult(
    val file: File,
    val waveform: List<Float>,
    val duration: Int,
 )

+/**
+ * Processes audio files to alter voice characteristics for privacy.
+ *
+ * Uses TarsosDSP's WSOLA (Waveform Similarity Overlap-Add) algorithm combined with
+ * rate transposition to shift pitch while preserving duration. Note that in TarsosDSP,
+ * pitch factors work inversely: factor < 1 raises pitch, factor > 1 lowers pitch.
+ */
 class VoiceAnonymizer {
    companion object {
        private const val TAG = "VoiceAnonymizer"
@@ -54,6 +68,20 @@ class VoiceAnonymizer {
        private const val BIT_RATE = 128000
    }

+    /**
+     * Applies voice anonymization to an audio file.
+     *
+     * The process involves three stages:
+     * 1. Decode input audio to PCM (0-30% progress)
+     * 2. Apply pitch shifting with TarsosDSP (30-70% progress)
+     * 3. Encode processed audio to AAC (70-100% progress)
+     *
+     * @param inputFile Source audio file (supports formats decodable by MediaCodec)
+     * @param preset Voice transformation preset (NONE is not allowed)
+     * @param onProgress Callback invoked with progress value from 0.0 to 1.0
+     * @return [Result.success] with [AnonymizedResult] containing the output file,
+     *         waveform data, and duration; or [Result.failure] with the exception
+     */
    suspend fun anonymize(
        inputFile: File,
        preset: VoicePreset,
@@ -98,7 +126,8 @@ class VoiceAnonymizer {
    ): File {
        val baseName = inputFile.nameWithoutExtension
        val presetSuffix = preset.name.lowercase()
-        return File(inputFile.parentFile, "${baseName}_$presetSuffix.mp4")
+        val parentDir = inputFile.parentFile ?: inputFile.absoluteFile.parentFile
+        return File(parentDir, "${baseName}_$presetSuffix.mp4")
    }

    private data class DecodedAudio(
@@ -129,9 +158,7 @@ class VoiceAnonymizer {
                }
            }

-            if (audioTrackIndex == -1 || format == null) {
-                throw IllegalStateException("No audio track found in file")
-            }
+            check(audioTrackIndex != -1 && format != null) { "No audio track found in file" }

            extractor.selectTrack(audioTrackIndex)
            val mime = format.getString(MediaFormat.KEY_MIME) ?: "audio/mp4a-latm"
@@ -143,7 +170,8 @@ class VoiceAnonymizer {
            decoder.configure(format, null, null, 0)
            decoder.start()

-            val pcmSamples = mutableListOf<Float>()
+            val estimatedSamples = (sampleRate.toLong() * durationUs / 1_000_000).toInt()
+            val pcmSamples = ArrayList<Float>(estimatedSamples)
            val bufferInfo = MediaCodec.BufferInfo()
            var inputDone = false
            var outputDone = false
@@ -196,7 +224,11 @@ class VoiceAnonymizer {

            return DecodedAudio(pcmSamples.toFloatArray(), sampleRate, duration)
        } finally {
-            decoder?.stop()
+            try {
+                decoder?.stop()
+            } catch (_: IllegalStateException) {
+                // Decoder was never started
+            }
            decoder?.release()
            extractor.release()
        }
@@ -218,8 +250,8 @@ class VoiceAnonymizer {
                }
                else -> baseFactor
            }
-        val processedSamples = mutableListOf<Float>()
        val totalSamples = pcmData.size
+        val processedSamples = ArrayList<Float>(totalSamples)

        val wsola =
            WaveformSimilarityBasedOverlapAdd(
@@ -252,7 +284,9 @@ class VoiceAnonymizer {
                    return true
                }

-                override fun processingFinished() {}
+                override fun processingFinished() {
+                    // No-op: no cleanup needed
+                }
            }

        val dispatcher =
@@ -276,7 +310,9 @@ class VoiceAnonymizer {
                    return true
                }

-                override fun processingFinished() {}
+                override fun processingFinished() {
+                    // No-op: no cleanup needed
+                }
            }
        dispatcher.addAudioProcessor(progressProcessor)

@@ -400,7 +436,11 @@ class VoiceAnonymizer {
                }
            }
        } finally {
-            encoder.stop()
+            try {
+                encoder.stop()
+            } catch (_: IllegalStateException) {
+                // Encoder was never started
+            }
            encoder.release()
            if (muxerStarted) {
                muxer.stop()
@@ -446,5 +486,7 @@ private class FloatArrayAudioInputStream(
        return actualSkip.toLong() * 2
    }

-    override fun close() {}
+    override fun close() {
+        // No-op: no cleanup needed
+    }
 }
@@ -35,8 +35,10 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Close
+import androidx.compose.material.icons.filled.Mic
 import androidx.compose.material.icons.filled.Pause
 import androidx.compose.material.icons.filled.PlayArrow
+import androidx.compose.material.icons.filled.Stop
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
@@ -67,6 +69,8 @@ fun VoiceMessagePreview(
    voiceMetadata: AudioMeta,
    localFile: File? = null,
    onRemove: () -> Unit,
+    onReRecord: ((RecordingResult) -> Unit)? = null,
+    isUploading: Boolean = false,
    modifier: Modifier = Modifier,
 ) {
    val context = LocalContext.current
@@ -101,77 +105,159 @@ fun VoiceMessagePreview(
                    shape = RoundedCornerShape(8.dp),
                ).padding(12.dp),
    ) {
-        Row(
-            modifier = Modifier.fillMaxWidth(),
-            verticalAlignment = Alignment.CenterVertically,
-            horizontalArrangement = Arrangement.SpaceBetween,
-        ) {
-            // Play/Pause Button
-            IconButton(
-                onClick = {
-                    handlePlayPauseClick(
-                        mediaPlayer = mediaPlayer,
-                        isPlaying = isPlaying,
-                        progress = progress,
-                        onProgressReset = { progress = 0f },
-                        onPlayingChanged = { isPlaying = it },
-                    )
-                },
-                modifier = Modifier.size(48.dp),
+        Column {
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.SpaceBetween,
            ) {
-                Icon(
-                    imageVector = if (isPlaying) Icons.Default.Pause else Icons.Default.PlayArrow,
-                    contentDescription = if (isPlaying) stringRes(context, R.string.pause) else stringRes(context, R.string.play),
-                    tint = MaterialTheme.colorScheme.primary,
-                )
-            }
-
-            Spacer(modifier = Modifier.width(8.dp))
-
-            // Waveform and Duration
-            Column(
-                modifier = Modifier.weight(1f),
-                verticalArrangement = Arrangement.Center,
-            ) {
-                AudioWaveformReadOnly(
-                    amplitudes = voiceMetadata.waveform ?: emptyList(),
-                    progress = progress,
-                    waveformBrush = Brush.linearGradient(listOf(MaterialTheme.colorScheme.onSurfaceVariant, MaterialTheme.colorScheme.onSurfaceVariant)),
-                    progressBrush = Brush.linearGradient(listOf(MaterialTheme.colorScheme.primary, MaterialTheme.colorScheme.primary)),
-                    onProgressChange = { newProgress ->
-                        handleWaveformScrub(
-                            newProgress = newProgress,
+                // Play/Pause Button
+                IconButton(
+                    onClick = {
+                        handlePlayPauseClick(
                            mediaPlayer = mediaPlayer,
-                            onProgressChanged = { progress = it },
+                            isPlaying = isPlaying,
+                            progress = progress,
+                            onProgressReset = { progress = 0f },
+                            onPlayingChanged = { isPlaying = it },
                        )
                    },
-                )
+                    modifier = Modifier.size(48.dp),
+                ) {
+                    Icon(
+                        imageVector = if (isPlaying) Icons.Default.Pause else Icons.Default.PlayArrow,
+                        contentDescription = if (isPlaying) stringRes(context, R.string.pause) else stringRes(context, R.string.play),
+                        tint = MaterialTheme.colorScheme.primary,
+                    )
+                }

-                Text(
-                    text = formatSecondsToTime(voiceMetadata.duration ?: 0),
-                    style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant,
-                    modifier = Modifier.padding(top = 4.dp),
-                )
+                Spacer(modifier = Modifier.width(8.dp))
+
+                // Waveform and Duration
+                Column(
+                    modifier = Modifier.weight(1f),
+                    verticalArrangement = Arrangement.Center,
+                ) {
+                    AudioWaveformReadOnly(
+                        amplitudes = voiceMetadata.waveform ?: emptyList(),
+                        progress = progress,
+                        waveformBrush = Brush.linearGradient(listOf(MaterialTheme.colorScheme.onSurfaceVariant, MaterialTheme.colorScheme.onSurfaceVariant)),
+                        progressBrush = Brush.linearGradient(listOf(MaterialTheme.colorScheme.primary, MaterialTheme.colorScheme.primary)),
+                        onProgressChange = { newProgress ->
+                            handleWaveformScrub(
+                                newProgress = newProgress,
+                                mediaPlayer = mediaPlayer,
+                                onProgressChanged = { progress = it },
+                            )
+                        },
+                    )
+
+                    Text(
+                        text = formatSecondsToTime(voiceMetadata.duration ?: 0),
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                        modifier = Modifier.padding(top = 4.dp),
+                    )
+                }
+
+                Spacer(modifier = Modifier.width(8.dp))
+
+                // Remove Button
+                IconButton(
+                    onClick = onRemove,
+                    modifier = Modifier.size(48.dp),
+                ) {
+                    Icon(
+                        imageVector = Icons.Default.Close,
+                        contentDescription = stringRes(context, R.string.remove),
+                        tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                    )
+                }
            }

-            Spacer(modifier = Modifier.width(8.dp))
-
-            // Remove Button
-            IconButton(
-                onClick = onRemove,
-                modifier = Modifier.size(48.dp),
-            ) {
-                Icon(
-                    imageVector = Icons.Default.Close,
-                    contentDescription = stringRes(context, R.string.remove),
-                    tint = MaterialTheme.colorScheme.onSurfaceVariant,
+            if (onReRecord != null) {
+                Spacer(modifier = Modifier.size(8.dp))
+                ReRecordButton(
+                    isUploading = isUploading,
+                    isPlaying = isPlaying,
+                    onRecordTaken = onReRecord,
                )
            }
        }
    }
 }

+@Composable
+private fun ReRecordButton(
+    isUploading: Boolean,
+    isPlaying: Boolean,
+    onRecordTaken: (RecordingResult) -> Unit,
+) {
+    if (isUploading || isPlaying) {
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            Icon(
+                imageVector = Icons.Default.Mic,
+                contentDescription = stringRes(id = R.string.record_a_message),
+                tint = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+            Text(
+                text = stringRes(id = R.string.re_record),
+                color = MaterialTheme.colorScheme.onSurfaceVariant,
+            )
+        }
+        return
+    }
+
+    RecordAudioBox(
+        modifier = Modifier,
+        onRecordTaken = onRecordTaken,
+        maxDurationSeconds = MAX_VOICE_RECORD_SECONDS,
+    ) { isRecording, elapsedSeconds ->
+        val contentColor =
+            if (isRecording) {
+                MaterialTheme.colorScheme.onPrimary
+            } else {
+                MaterialTheme.colorScheme.onSurfaceVariant
+            }
+        val icon =
+            if (isRecording) {
+                Icons.Default.Stop
+            } else {
+                Icons.Default.Mic
+            }
+        val label =
+            if (isRecording) {
+                formatSecondsToTime(elapsedSeconds)
+            } else {
+                stringRes(id = R.string.re_record)
+            }
+        val iconDescription =
+            if (isRecording) {
+                stringRes(id = R.string.recording_indicator_description)
+            } else {
+                stringRes(id = R.string.record_a_message)
+            }
+        Row(
+            modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+        ) {
+            Icon(
+                imageVector = icon,
+                contentDescription = iconDescription,
+                tint = contentColor,
+            )
+            Text(
+                text = label,
+                color = contentColor,
+            )
+        }
+    }
+}
+
@Composable
 private fun ManageMediaPlayer(
    voiceMetadata: AudioMeta,
@@ -29,5 +29,5 @@ enum class VoicePreset(
    NONE(1.0, R.string.voice_preset_none),
    DEEP(1.4, R.string.voice_preset_deep),
    HIGH(0.75, R.string.voice_preset_high),
-    NEUTRAL(0.9, R.string.voice_preset_neutral),
+    NEUTRAL(1.1, R.string.voice_preset_neutral),
 }
@@ -113,6 +113,7 @@ import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNo
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.nwc.NWCFinderFilterAssemblerSubscription
 import com.vitorpamplona.amethyst.ui.actions.CrossfadeIfEnabled
 import com.vitorpamplona.amethyst.ui.actions.uploads.FloatingRecordingIndicator
+import com.vitorpamplona.amethyst.ui.actions.uploads.MAX_VOICE_RECORD_SECONDS
 import com.vitorpamplona.amethyst.ui.actions.uploads.RecordAudioBox
 import com.vitorpamplona.amethyst.ui.components.AnimatedBorderTextCornerRadius
 import com.vitorpamplona.amethyst.ui.components.ClickableBox
@@ -635,6 +636,7 @@ fun ReplyViaVoiceReaction(
                )
            }
        },
+        maxDurationSeconds = MAX_VOICE_RECORD_SECONDS,
    ) { isRecording, elapsedSeconds ->
        if (voiceRecordingState != null) {
            SideEffect {
@@ -20,8 +20,6 @@
 */
 package com.vitorpamplona.amethyst.ui.note.types

-import android.R.attr.label
-import android.R.attr.maxLines
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.FlowRow
@@ -59,6 +59,7 @@ import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.FileServerSelectionRow
 import com.vitorpamplona.amethyst.ui.actions.mediaServers.ServerType
+import com.vitorpamplona.amethyst.ui.actions.uploads.MAX_VOICE_RECORD_SECONDS
 import com.vitorpamplona.amethyst.ui.actions.uploads.RecordVoiceButton
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectFromGallery
 import com.vitorpamplona.amethyst.ui.actions.uploads.SelectedMedia
@@ -374,6 +375,8 @@ private fun NewPostScreenBody(
                            VoiceMessagePreview(
                                voiceMetadata = displayMetadata,
                                localFile = postViewModel.activeFile,
+                                onReRecord = { recording -> postViewModel.selectVoiceRecording(recording) },
+                                isUploading = postViewModel.isUploadingVoice,
                                onRemove = { postViewModel.removeVoiceMessage() },
                            )

@@ -497,6 +500,7 @@ private fun BottomRowActions(postViewModel: ShortNotePostViewModel) {
            onVoiceTaken = { recording ->
                postViewModel.selectVoiceRecording(recording)
            },
+            maxDurationSeconds = MAX_VOICE_RECORD_SECONDS,
        )

        if (postViewModel.canUsePoll) {
@@ -21,46 +21,32 @@
 package com.vitorpamplona.amethyst.ui.screen.loggedIn.home

 import androidx.activity.compose.BackHandler
-import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.consumeWindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.navigationBarsPadding
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-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.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Surface
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 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.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.Size10dp
 import com.vitorpamplona.amethyst.ui.theme.StdVertSpacer
 import com.vitorpamplona.amethyst.ui.theme.replyModifier
@@ -103,9 +89,6 @@ fun VoiceReplyScreen(
                },
            )
        },
-        bottomBar = {
-            ReRecordButton(viewModel)
-        },
    ) { pad ->
        Surface(
            modifier =
@@ -161,6 +144,8 @@ private fun VoiceReplyScreenBody(
                VoiceMessagePreview(
                    voiceMetadata = displayMetadata,
                    localFile = viewModel.activeFile,
+                    onReRecord = { recording -> viewModel.selectRecording(recording) },
+                    isUploading = viewModel.isUploading,
                    onRemove = {
                        viewModel.cancel()
                        nav.popBack()
@@ -192,80 +177,3 @@ private fun VoiceReplyScreenBody(
        Spacer(modifier = Modifier.height(80.dp))
    }
 }
-
-@Composable
-private fun ReRecordButton(viewModel: VoiceReplyViewModel) {
-    Column(
-        modifier =
-            Modifier
-                .fillMaxWidth()
-                .navigationBarsPadding()
-                .padding(vertical = 16.dp, horizontal = Size10dp),
-        horizontalAlignment = Alignment.CenterHorizontally,
-    ) {
-        if (viewModel.isUploading) {
-            Row(
-                verticalAlignment = Alignment.CenterVertically,
-                horizontalArrangement = Arrangement.spacedBy(8.dp),
-            ) {
-                Icon(
-                    imageVector = Icons.Default.Mic,
-                    contentDescription = stringRes(id = R.string.record_a_message),
-                    tint = MaterialTheme.colorScheme.onBackground,
-                )
-                Text(
-                    text = stringRes(id = R.string.re_record),
-                    color = MaterialTheme.colorScheme.onBackground,
-                )
-            }
-            return
-        }
-
-        RecordAudioBox(
-            modifier = Modifier,
-            onRecordTaken = { recording ->
-                viewModel.selectRecording(recording)
-            },
-        ) { isRecording, elapsedSeconds ->
-            val contentColor =
-                if (isRecording) {
-                    MaterialTheme.colorScheme.onPrimary
-                } else {
-                    MaterialTheme.colorScheme.onBackground
-                }
-            val icon =
-                if (isRecording) {
-                    Icons.Default.Stop
-                } else {
-                    Icons.Default.Mic
-                }
-            val label =
-                if (isRecording) {
-                    formatSecondsToTime(elapsedSeconds)
-                } else {
-                    stringRes(id = R.string.re_record)
-                }
-            val iconDescription =
-                if (isRecording) {
-                    stringRes(id = R.string.recording_indicator_description)
-                } else {
-                    stringRes(id = R.string.record_a_message)
-                }
-            Row(
-                modifier = Modifier.padding(horizontal = 12.dp, vertical = 6.dp),
-                verticalAlignment = Alignment.CenterVertically,
-                horizontalArrangement = Arrangement.spacedBy(8.dp),
-            ) {
-                Icon(
-                    imageVector = icon,
-                    contentDescription = iconDescription,
-                    tint = contentColor,
-                )
-                Text(
-                    text = label,
-                    color = contentColor,
-                )
-            }
-        }
-    }
-}
@@ -34,7 +34,6 @@ import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import java.lang.ref.WeakReference
-import kotlin.collections.plus

@Stable
 class Chatroom : NotesGatherer {
@@ -20,7 +20,6 @@
 */
 package com.vitorpamplona.amethyst.commons.richtext

-import com.vitorpamplona.amethyst.commons.richtext.RichTextParser
 import java.util.Base64

 object Base64Image {
@@ -45,7 +45,6 @@ import java.net.MalformedURLException
 import java.net.URISyntaxException
 import java.net.URL
 import kotlin.coroutines.cancellation.CancellationException
-import kotlin.text.iterator

 class RichTextParser {
    fun createMediaContent(
@@ -20,7 +20,6 @@
 */
 package com.vitorpamplona.amethyst.desktop.network

-import com.vitorpamplona.amethyst.desktop.network.RelayConnectionManager
 import com.vitorpamplona.quartz.nip01Core.relay.sockets.okhttp.BasicOkHttpWebSocket

 /**
@@ -49,7 +49,6 @@ import com.vitorpamplona.quartz.nip19Bech32.pubKeys
 import com.vitorpamplona.quartz.nip31Alts.alt
 import com.vitorpamplona.quartz.nip50Search.SearchableEvent
 import com.vitorpamplona.quartz.utils.TimeUtils
-import kotlinx.serialization.json.JsonNull.content

@Immutable
 class TextNoteEvent(