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Free Android stream preview space with start and stop icons

stream-multiview
evgeny 6 days ago
parent
commit
bdb6bf80a4
  1. 3
      doc/tasks.md
  2. 124
      tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/StreamScreen.kt

3
doc/tasks.md

@ -9,6 +9,9 @@
В логе получатель дважды отклонил приглашение и отправил ACK; отправитель до проверки получил только late ACK request=507.
Отдельный повтор прошёл. Причина не установлена; проверить доставку UDP и шаги ускоренных часов под параллельной нагрузкой.
Логи: /tmp/config-name-local-transport-failure.log, /tmp/config-name-local-transport-retry.log.
Ещё один общий прогон 19.10: 161/162, chat_adapter упал на строке 145 при ожидании доставки request=501.
Получатель принял приглашение и дважды отправил ACK; до проверки в логе отправителя нет приёма этого ACK. Отдельный повтор прошёл.
Логи: /tmp/utun-stream-preview-local-transport-failure.log, /tmp/utun-stream-preview-local-transport-retry.log.
[ ] **Разобрать нестабильную проверку аудиопауз desktop-трансляции** — 17.10.2026:
При проверке зума test_stream_view::realH264RenderingAndClose получил silenceGaps=3 вместо gapsBefore=2.

124
tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/StreamScreen.kt

@ -24,7 +24,8 @@ import androidx.compose.material.icons.automirrored.filled.ArrowBack
import androidx.compose.material.icons.automirrored.filled.VolumeOff
import androidx.compose.material.icons.automirrored.filled.VolumeUp
import androidx.compose.material.icons.filled.Check
import androidx.compose.material.icons.filled.Close
import androidx.compose.material.icons.filled.PlayArrow
import androidx.compose.material.icons.filled.Stop
import androidx.compose.material.icons.outlined.Person
import androidx.compose.material3.*
import androidx.compose.runtime.*
@ -35,6 +36,7 @@ import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.geometry.Size
import androidx.compose.ui.graphics.StrokeCap
import androidx.compose.ui.graphics.Path
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.drawscope.Stroke
import androidx.compose.ui.graphics.drawscope.rotate
import androidx.compose.ui.semantics.clearAndSetSemantics
@ -145,54 +147,57 @@ fun StreamScreen(channelId: String, channelName: String, sources: List<StreamSou
})
}) { padding ->
Column(Modifier.fillMaxSize().padding(padding).padding(12.dp), verticalArrangement = Arrangement.spacedBy(8.dp)) {
StreamCaptureToolbar(cameras, shownConfig, displayDegrees,
enabled = if (ongoing != null) ongoing.phase == StreamPhase.LIVE && ongoing.pendingConfig == null else !loadingModes,
audio = shownAudio,
audioEnabled = if (ongoing != null) ongoing.phase == StreamPhase.LIVE && ongoing.audioAvailable else !loadingModes,
onAudioChange = {
LogManager.addLog("INFO", "stream", "screen audio group=$group enabled=$it live=${ongoing != null}")
if (ongoing != null) StreamController.setAudioEnabled(it)
else { audio = it; StreamController.rememberSettings(audio = it) }
}, onChange = {
LogManager.addLog("INFO", "stream", "screen capture selection group=$group live=${ongoing != null} config=$it")
if (ongoing != null) StreamController.change(it)
else { config = it; StreamController.rememberSettings(config = it) }
})
if (selected != null) {
Text(selected.displayName, style = MaterialTheme.typography.titleSmall)
if (selected.self && local?.ongoing == true) {
CaptureModeStatus(local.config, local.pendingConfig, local.notice)
StreamTxPanel(local.id)
Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.spacedBy(8.dp), verticalAlignment = Alignment.CenterVertically) {
StreamCaptureToolbar(cameras, shownConfig, displayDegrees, Modifier.weight(1f),
enabled = if (ongoing != null) ongoing.phase == StreamPhase.LIVE && ongoing.pendingConfig == null else !loadingModes,
audio = shownAudio,
audioEnabled = if (ongoing != null) ongoing.phase == StreamPhase.LIVE && ongoing.audioAvailable else !loadingModes,
onAudioChange = {
LogManager.addLog("INFO", "stream", "screen audio group=$group enabled=$it live=${ongoing != null}")
if (ongoing != null) StreamController.setAudioEnabled(it)
else { audio = it; StreamController.rememberSettings(audio = it) }
}, onChange = {
LogManager.addLog("INFO", "stream", "screen capture selection group=$group live=${ongoing != null} config=$it")
if (ongoing != null) StreamController.change(it)
else { config = it; StreamController.rememberSettings(config = it) }
})
val action = if (ongoing == null) R.string.stream_start
else if (ongoing.phase == StreamPhase.STOPPING) R.string.stream_stopping else R.string.stream_stop
StreamControlButton(stringResource(action),
enabled = if (ongoing != null) ongoing.phase != StreamPhase.STOPPING
else !loadingModes && config != null && group != 0L && state?.ongoing != true,
containerColor = if (ongoing != null) Color(0xFFB32632) else Color(0xFF24633D), onClick = {
if (ongoing != null) {
LogManager.addLog("INFO", "stream", "screen stop group=$group id=${ongoing.id} phase=${ongoing.phase}")
StreamController.stop()
} else if (!cameraGranted || (audio && !micGranted)) {
LogManager.addLog("INFO", "stream", "screen permissions group=$group camera=$cameraGranted mic=$micGranted audio=$audio")
permissions.launch(listOf(Manifest.permission.CAMERA)
.plus(if (audio) listOf(Manifest.permission.RECORD_AUDIO) else emptyList()).toTypedArray())
} else config?.let {
LogManager.addLog("INFO", "stream", "screen start group=$group audio=$audio config=$it")
StreamController.start(group, it, audio)
}
}) {
Icon(if (ongoing != null) Icons.Filled.Stop else Icons.Filled.PlayArrow,
contentDescription = null, modifier = Modifier.size(32.dp))
}
}
if (ongoing != null) {
CaptureModeStatus(ongoing.config, ongoing.pendingConfig, ongoing.notice)
if (ongoing.phase == StreamPhase.STOPPING) Text(stringResource(R.string.stream_stopping))
StreamTxPanel(ongoing.id)
}
if (selected != null) {
Box(Modifier.weight(1f).fillMaxWidth()) {
if (selected.self && local?.ongoing != true) Text(stringResource(R.string.stream_ended))
else key(group, selected.id, selected.epoch) {
local?.preview?.let { LiveStreamView(it, displayDegrees) }
}
}
IconButton(onClick = { onSelect(null); onBack() }) { Icon(Icons.Filled.Close, stringResource(R.string.stream_close_view)) }
if (selected.self && local?.ongoing == true) Button(onClick = StreamController::stop,
enabled = local.phase != StreamPhase.STOPPING) { Text(stringResource(R.string.stream_stop)) }
} else {
if (local?.ongoing == true) {
CaptureModeStatus(local.config, local.pendingConfig, local.notice)
StreamTxPanel(local.id)
Text(stringResource(when (local.phase) {
StreamPhase.LIVE -> R.string.stream_live
StreamPhase.STOPPING -> R.string.stream_stopping
else -> R.string.stream_connecting
}))
Button(onClick = StreamController::stop, enabled = local.phase != StreamPhase.STOPPING) { Text(stringResource(R.string.stream_stop)) }
} else {
if (!loadingModes && cameras.isEmpty()) Text(stringResource(R.string.stream_no_modes), color = MaterialTheme.colorScheme.error)
Button(onClick = {
if (!cameraGranted || (audio && !micGranted)) permissions.launch(
listOf(Manifest.permission.CAMERA).plus(if (audio) listOf(Manifest.permission.RECORD_AUDIO) else emptyList()).toTypedArray())
else {
config?.let { StreamController.start(group, it, audio) }
}
}, enabled = config != null && group != 0L && state?.ongoing != true) { Text(stringResource(R.string.stream_start)) }
}
if (ongoing == null && !loadingModes && cameras.isEmpty())
Text(stringResource(R.string.stream_no_modes), color = MaterialTheme.colorScheme.error)
local?.error?.let { Text(stringResource(it), color = MaterialTheme.colorScheme.error) }
if (sourcesFailed) Text(stringResource(R.string.stream_list_failed), color = MaterialTheme.colorScheme.error)
else if (sources.isEmpty() && local?.ongoing != true) Text(stringResource(R.string.stream_none))
@ -217,9 +222,9 @@ private fun StreamTxPanel(id: Long) {
val s = snapshot?.takeIf { it.id == id } ?: return
Column {
Text(stringResource(R.string.stream_tx_queues, s.videoBytes / 1024.0, s.inflightBytes / 1024.0),
style = MaterialTheme.typography.bodySmall, minLines = 2)
style = MaterialTheme.typography.bodySmall)
Text(stringResource(R.string.stream_tx_total, s.totalBytes / 1024.0, s.acked1s / 1024.0, s.acked1s * 8 / 1_000_000.0),
style = MaterialTheme.typography.bodySmall, minLines = 2)
style = MaterialTheme.typography.bodySmall)
}
}
@ -228,7 +233,7 @@ private enum class StreamIconShape { CAMERA, CHIP, GAUGE, SCREEN }
/** Одна строка управления: значки отражают применённый режим, меню сохраняют все варианты выбора. */
@Composable
private fun StreamCaptureToolbar(cameras: List<StreamCamera>, config: StreamCaptureConfig?, display: Int,
private fun StreamCaptureToolbar(cameras: List<StreamCamera>, config: StreamCaptureConfig?, display: Int, modifier: Modifier,
enabled: Boolean, audio: Boolean, audioEnabled: Boolean, onAudioChange: (Boolean) -> Unit,
onChange: (StreamCaptureConfig) -> Unit) {
val mode = config?.mode
@ -250,7 +255,7 @@ private fun StreamCaptureToolbar(cameras: List<StreamCamera>, config: StreamCapt
val bitrateValue = config?.let { stringResource(R.string.stream_bitrate_value, it.bitrate / 1_000_000.0) } ?: "—"
val bitrateDescription = if (config != null && config.videoBitrate == null)
stringResource(R.string.stream_bitrate_auto_value, bitrateValue) else stringResource(R.string.stream_bitrate, bitrateValue)
Row(Modifier.fillMaxWidth().horizontalScroll(rememberScrollState()), horizontalArrangement = Arrangement.spacedBy(4.dp),
Row(modifier.horizontalScroll(rememberScrollState()), horizontalArrangement = Arrangement.spacedBy(4.dp),
verticalAlignment = Alignment.CenterVertically) {
StreamControlButton(stringResource(if (audio) R.string.stream_audio_on else R.string.stream_audio_off),
enabled = audioEnabled, checked = audio, onClick = { onAudioChange(!audio) }) {
@ -347,21 +352,23 @@ private fun StreamCaptureToolbar(cameras: List<StreamCamera>, config: StreamCapt
@OptIn(ExperimentalMaterial3Api::class)
@Composable
private fun StreamControlButton(description: String, enabled: Boolean = true, checked: Boolean? = null,
onClick: () -> Unit, icon: @Composable () -> Unit) {
containerColor: Color? = null, onClick: () -> Unit, icon: @Composable () -> Unit) {
TooltipBox(positionProvider = TooltipDefaults.rememberPlainTooltipPositionProvider(), tooltip = { PlainTooltip { Text(description) } },
state = rememberTooltipState()) {
val modifier = Modifier.size(48.dp).semantics { contentDescription = description }
val colors = MaterialTheme.colorScheme
val background = colors.surfaceVariant.copy(alpha = 0.55f)
val background = containerColor ?: colors.surfaceVariant.copy(alpha = 0.55f)
val disabledBackground = containerColor?.copy(alpha = 0.38f) ?: colors.surfaceVariant.copy(alpha = 0.2f)
val content = if (containerColor != null) Color.White else colors.onSurface
val shape = RoundedCornerShape(12.dp)
if (checked == null) FilledTonalIconButton(onClick = onClick, enabled = enabled, modifier = modifier, shape = shape,
colors = IconButtonDefaults.filledTonalIconButtonColors(containerColor = background, contentColor = colors.onSurface,
disabledContainerColor = colors.surfaceVariant.copy(alpha = 0.2f))) {
colors = IconButtonDefaults.filledTonalIconButtonColors(containerColor = background, contentColor = content,
disabledContainerColor = disabledBackground, disabledContentColor = content.copy(alpha = 0.38f))) {
Box(Modifier.clearAndSetSemantics {}) { icon() }
} else FilledTonalIconToggleButton(checked = checked, onCheckedChange = { onClick() }, enabled = enabled,
modifier = modifier, shape = shape,
colors = IconButtonDefaults.filledTonalIconToggleButtonColors(containerColor = background, contentColor = colors.onSurfaceVariant,
disabledContainerColor = colors.surfaceVariant.copy(alpha = 0.2f), checkedContainerColor = colors.primaryContainer,
disabledContainerColor = disabledBackground, checkedContainerColor = colors.primaryContainer,
checkedContentColor = colors.onPrimaryContainer)) {
Box(Modifier.clearAndSetSemantics {}) { icon() }
}
@ -513,12 +520,17 @@ internal fun StreamDisplayDegrees(): Int {
private fun CameraPreviewSurface(preview: StreamPreview, displayDegrees: Int) {
val state by preview.state.collectAsState()
val aspect = state.format?.aspect(displayDegrees) ?: 9f / 16f
Column(Modifier.fillMaxSize()) {
Text(stringResource(if (state.failed) R.string.stream_preview_failed else if (state.active) R.string.stream_live else R.string.stream_connecting))
Box(Modifier.weight(1f).fillMaxWidth(), contentAlignment = Alignment.Center) {
Box(Modifier.aspectRatio(aspect, matchHeightConstraintsFirst = true)) {
AndroidView(factory = { CameraPreviewView(it, preview) }, modifier = Modifier.matchParentSize(),
update = { it.update(state.format, displayDegrees) }, onRelease = { it.close() })
Box(Modifier.fillMaxSize(), contentAlignment = Alignment.Center) {
Box(Modifier.aspectRatio(aspect, matchHeightConstraintsFirst = true)) {
AndroidView(factory = { CameraPreviewView(it, preview) }, modifier = Modifier.matchParentSize(),
update = { it.update(state.format, displayDegrees) }, onRelease = { it.close() })
}
if (state.failed || !state.active) {
Surface(Modifier.align(Alignment.TopCenter).padding(8.dp), shape = RoundedCornerShape(8.dp),
color = MaterialTheme.colorScheme.surface.copy(alpha = 0.9f)) {
Text(stringResource(if (state.failed) R.string.stream_preview_failed else R.string.stream_connecting),
Modifier.padding(horizontal = 8.dp, vertical = 4.dp),
color = if (state.failed) MaterialTheme.colorScheme.error else MaterialTheme.colorScheme.onSurface)
}
}
}

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