Skip to content

microphone gain control added to app #269

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
habibialireza wants to merge 1 commit into
base: main
Choose a base branch
from
Open

microphone gain control added to app #269

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 9 additions & 0 deletions open_wearable/lib/widgets/devices/device_detail/device_detail_page.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import 'package:open_wearable/widgets/app_toast.dart';
import 'package:open_wearable/widgets/common/app_section_card.dart';
import 'package:open_wearable/widgets/devices/device_detail/audio_mode_widget.dart';
import 'package:open_wearable/widgets/devices/device_detail/device_detail_shared_widgets.dart';
import 'package:open_wearable/widgets/devices/device_detail/microphone_gain_controls.dart';
import 'package:open_wearable/widgets/devices/device_detail/power_saving_mode_widget.dart';
import 'package:open_wearable/widgets/devices/device_status_pills.dart';
import 'package:open_wearable/widgets/devices/wearable_icon.dart';
Expand Down Expand Up @@ -242,6 +243,14 @@ class _DeviceDetailPageState extends State<DeviceDetailPage> {
),
),
),
if (widget.device.hasCapability<MicrophoneGainManager>())
Card(
margin: EdgeInsets.zero,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
child: MicrophoneGainControls(device: widget.device),
),
),
if (widget.device.hasCapability<MicrophoneManager>())
Card(
margin: EdgeInsets.zero,
Expand Down
352 changes: 352 additions & 0 deletions open_wearable/lib/widgets/devices/device_detail/microphone_gain_controls.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,352 @@
import 'package:flutter/material.dart';
import 'package:open_earable_flutter/open_earable_flutter.dart';

class MicrophoneGainControls extends StatefulWidget {
final Wearable? device;
final Wearable? pairedDevice;

const MicrophoneGainControls({
super.key,
required this.device,
this.pairedDevice,
});

@override
State<MicrophoneGainControls> createState() => _MicrophoneGainControlsState();
}

class _MicrophoneGainControlsState extends State<MicrophoneGainControls> {
int _leftRegister = MicrophoneGain.defaultRegister;
int _rightRegister = MicrophoneGain.defaultRegister;
int _lastLeftRegister = MicrophoneGain.defaultRegister;
int _lastRightRegister = MicrophoneGain.defaultRegister;
bool _linked = true;
bool _muted = false;
bool _loading = true;
bool _writing = false;
String? _error;

MicrophoneGainManager? get _manager =>
widget.device?.getCapability<MicrophoneGainManager>();

MicrophoneGainManager? get _pairedManager =>
widget.pairedDevice?.getCapability<MicrophoneGainManager>();

bool get _hasPairedTarget =>
widget.pairedDevice != null &&
widget.pairedDevice?.deviceId != widget.device?.deviceId &&
_pairedManager != null;

@override
void initState() {
super.initState();
_readGain();
}

@override
void didUpdateWidget(covariant MicrophoneGainControls oldWidget) {
super.didUpdateWidget(oldWidget);
if (oldWidget.device?.deviceId != widget.device?.deviceId ||
oldWidget.pairedDevice?.deviceId != widget.pairedDevice?.deviceId) {
_readGain();
}
}

@override
Widget build(BuildContext context) {
final manager = _manager;
if (manager == null) {
return const SizedBox.shrink();
}

final colorScheme = Theme.of(context).colorScheme;
final disabled = _loading || _writing || _muted;

return Container(
width: double.infinity,
padding: const EdgeInsets.fromLTRB(10, 10, 10, 8),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(10),
border: Border.all(
color: colorScheme.outlineVariant.withValues(alpha: 0.45),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Row(
children: [
Expanded(
child: Text(
'Microphone Gain',
style: Theme.of(
context,
).textTheme.bodyMedium?.copyWith(fontWeight: FontWeight.w700),
),
),
IconButton(
tooltip: 'Refresh',
onPressed: _loading || _writing ? null : _readGain,
icon: const Icon(Icons.refresh_rounded, size: 18),
),
],
),
const SizedBox(height: 2),
Row(
children: [
Checkbox.adaptive(
value: _linked,
onChanged: _loading || _writing
? null
: (value) => _setLinked(value ?? false),
),
Expanded(
child: Text(
'Link channels',
style: Theme.of(
context,
).textTheme.bodySmall?.copyWith(fontWeight: FontWeight.w600),
),
),
FilledButton.tonalIcon(
onPressed: _loading || _writing ? null : _toggleMute,
icon: Icon(
_muted ? Icons.volume_up_rounded : Icons.volume_off_rounded,
size: 18,
),
label: Text(_muted ? 'Unmute' : 'Mute'),
),
],
),
if (_loading) ...[
const SizedBox(height: 8),
const LinearProgressIndicator(minHeight: 2),
] else ...[
const SizedBox(height: 8),
_GainSlider(
label: 'Left',
register: _leftRegister,
fallbackRegister: _lastLeftRegister,
enabled: !disabled,
onChanged: (db) => _updateGain(left: true, db: db),
onChangeEnd: (_) => _writeGain(),
),
_GainSlider(
label: 'Right',
register: _rightRegister,
fallbackRegister: _lastRightRegister,
enabled: !disabled && !_linked,
onChanged: (db) => _updateGain(left: false, db: db),
onChangeEnd: (_) => _writeGain(),
),
],
if (_error != null) ...[
const SizedBox(height: 6),
Text(
_error!,
style: Theme.of(
context,
).textTheme.labelSmall?.copyWith(color: colorScheme.error),
),
],
],
),
);
}

Future<void> _readGain() async {
final manager = _manager;
if (manager == null) {
if (!mounted) return;
setState(() {
_loading = false;
_error = null;
});
return;
}

setState(() {
_loading = true;
_error = null;
});

try {
final gain = await manager.getMicrophoneGain();
if (!mounted) return;
setState(() {
_leftRegister = gain.leftRegister;
_rightRegister = gain.rightRegister;
_muted = gain.isMuted;
_linked = gain.leftRegister == gain.rightRegister;
if (!gain.isMuted) {
_lastLeftRegister = gain.leftRegister;
_lastRightRegister = gain.rightRegister;
}
_loading = false;
});
} catch (_) {
if (!mounted) return;
setState(() {
_loading = false;
_error = 'Could not read microphone gain.';
});
}
}

void _setLinked(bool linked) {
setState(() {
_linked = linked;
if (linked) {
_rightRegister = _leftRegister;
_lastRightRegister = _lastLeftRegister;
}
});
if (linked && !_muted) {
_writeGain();
}
}

void _updateGain({required bool left, required double db}) {
final register = MicrophoneGain.dbToRegister(db);
setState(() {
if (_linked) {
_leftRegister = register;
_rightRegister = register;
_lastLeftRegister = register;
_lastRightRegister = register;
} else if (left) {
_leftRegister = register;
_lastLeftRegister = register;
} else {
_rightRegister = register;
_lastRightRegister = register;
}
});
}

Future<void> _toggleMute() async {
setState(() {
if (_muted) {
_leftRegister = _lastLeftRegister;
_rightRegister = _linked ? _lastLeftRegister : _lastRightRegister;
_muted = false;
} else {
_lastLeftRegister = _leftRegister == MicrophoneGain.muteRegister
? MicrophoneGain.defaultRegister
: _leftRegister;
_lastRightRegister = _rightRegister == MicrophoneGain.muteRegister
? MicrophoneGain.defaultRegister
: _rightRegister;
_leftRegister = MicrophoneGain.muteRegister;
_rightRegister = MicrophoneGain.muteRegister;
_muted = true;
}
});
await _writeGain();
}

Future<void> _writeGain() async {
final manager = _manager;
if (manager == null) {
return;
}

setState(() {
_writing = true;
_error = null;
});

try {
final gain = MicrophoneGain(
leftRegister: _leftRegister,
rightRegister: _rightRegister,
);
await manager.setMicrophoneGain(gain);
if (_hasPairedTarget) {
await _pairedManager!.setMicrophoneGain(gain);
}
} catch (_) {
if (!mounted) return;
setState(() {
_error = _hasPairedTarget
? 'Could not write microphone gain to both devices.'
: 'Could not write microphone gain.';
});
} finally {
if (mounted) {
setState(() {
_writing = false;
});
}
}
}
}

class _GainSlider extends StatelessWidget {
final String label;
final int register;
final int fallbackRegister;
final bool enabled;
final ValueChanged<double> onChanged;
final ValueChanged<double> onChangeEnd;

const _GainSlider({
required this.label,
required this.register,
required this.fallbackRegister,
required this.enabled,
required this.onChanged,
required this.onChangeEnd,
});

@override
Widget build(BuildContext context) {
final displayRegister =
register == MicrophoneGain.muteRegister ? fallbackRegister : register;
final db = MicrophoneGain.registerToDb(displayRegister) ??
MicrophoneGain.registerToDb(MicrophoneGain.defaultRegister)!;

return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Row(
children: [
Expanded(
child: Text(
label,
style: Theme.of(
context,
).textTheme.bodySmall?.copyWith(fontWeight: FontWeight.w600),
),
),
Text(
register == MicrophoneGain.muteRegister
? 'Muted'
: '${_formatDb(db)} (${_formatRegister(register)})',
style: Theme.of(context).textTheme.labelMedium,
),
],
),
Slider.adaptive(
min: MicrophoneGain.minGainDb,
max: MicrophoneGain.maxGainDb,
divisions: MicrophoneGain.minGainRegister,
value: db,
label: _formatDb(db),
onChanged: enabled ? onChanged : null,
onChangeEnd: enabled ? onChangeEnd : null,
),
],
);
}

String _formatDb(double db) {
final value = db.abs() < 0.001 ? 0.0 : db;
final sign = value > 0 ? '+' : '';
return '$sign${value.toStringAsFixed(2)} dB';
}

String _formatRegister(int register) {
return '0x${register.toRadixString(16).padLeft(2, '0').toUpperCase()}';
}
}
Loading
Loading