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Simplify backupCodec setting. #396

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merged 5 commits into from
Dec 13, 2023
Merged

Simplify backupCodec setting. #396

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7768e08
Simplify backupCodec setting.
cloudwebrtc Nov 7, 2023
7114399
Update options.dart
cloudwebrtc Nov 9, 2023
e1be6af
remove enableBackupCodec for VideoPublishOptions.
cloudwebrtc Dec 12, 2023
bf292a1
update.
cloudwebrtc Dec 12, 2023
bb9f9bf
Enabled backupcodec by defualt and disable it when E2EE is enabled.
cloudwebrtc Dec 13, 2023
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43 changes: 3 additions & 40 deletions example/lib/pages/connect.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,6 @@ class _ConnectPageState extends State<ConnectPage> {
bool _e2ee = false;
bool _multiCodec = false;
String _preferredCodec = 'Preferred Codec';
String _backupCodec = 'VP8';

@override
void initState() {
Expand Down Expand Up @@ -143,6 +142,8 @@ class _ConnectPageState extends State<ConnectPage> {
preferredCodec = _preferredCodec;
}

bool enableBackUpCodec = ['VP9', 'AV1'].contains(preferredCodec);

// create new room
final room = Room(
roomOptions: RoomOptions(
Expand All @@ -154,6 +155,7 @@ class _ConnectPageState extends State<ConnectPage> {
defaultVideoPublishOptions: VideoPublishOptions(
simulcast: _simulcast,
videoCodec: preferredCodec,
enableBackupCodec: enableBackUpCodec,
),
defaultScreenShareCaptureOptions: const ScreenShareCaptureOptions(
useiOSBroadcastExtension: true,
Expand Down Expand Up @@ -396,45 +398,6 @@ class _ConnectPageState extends State<ConnectPage> {
}).toList(),
)
])),
if (_multiCodec &&
_preferredCodec != 'Preferred Codec' &&
['av1', 'vp9'].contains(_preferredCodec.toLowerCase()))
Padding(
padding: const EdgeInsets.only(bottom: 25),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
const Text('Backup Codec:'),
DropdownButton<String>(
value: _backupCodec,
icon: const Icon(
Icons.arrow_drop_down,
color: Colors.blue,
),
elevation: 16,
style: const TextStyle(color: Colors.blue),
underline: Container(
height: 2,
color: Colors.blueAccent,
),
onChanged: (String? value) {
// This is called when the user selects an item.
setState(() {
_backupCodec = value!;
});
},
items: [
'Backup Codec',
'VP8',
'H264'
].map<DropdownMenuItem<String>>((String value) {
return DropdownMenuItem<String>(
value: value,
child: Text(value),
);
}).toList(),
)
])),
ElevatedButton(
onPressed: _busy ? null : () => _connect(context),
child: Row(
Expand Down
18 changes: 12 additions & 6 deletions lib/src/options.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ import 'track/track.dart';
import 'types/other.dart';
import 'types/video_encoding.dart';
import 'types/video_parameters.dart';
import 'utils.dart';

class TrackOption<E extends Object, T extends Object> {
final E? enabled;
Expand Down Expand Up @@ -163,7 +164,7 @@ class RoomOptions {

class BackupVideoCodec {
BackupVideoCodec({
this.codec = 'vp8',
this.codec = defaultVideoCodec,
this.encoding,
this.simulcast = true,
});
Expand Down Expand Up @@ -200,16 +201,19 @@ class VideoPublishOptions {

final String? scalabilityMode;

final BackupVideoCodec? backupCodec;
final bool enableBackupCodec;

final BackupVideoCodec? backupVideoCodec;

const VideoPublishOptions({
this.videoCodec = 'H264',
this.videoCodec = defaultVideoCodec,
this.videoEncoding,
this.simulcast = true,
this.videoSimulcastLayers = const [],
this.screenShareSimulcastLayers = const [],
this.name,
this.backupCodec,
this.enableBackupCodec = true,
this.backupVideoCodec,
this.scalabilityMode,
});

Expand All @@ -219,7 +223,8 @@ class VideoPublishOptions {
List<VideoParameters>? videoSimulcastLayers,
List<VideoParameters>? screenShareSimulcastLayers,
String? videoCodec,
BackupVideoCodec? backupCodec,
bool? enableBackupCodec,
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BackupVideoCodec? backupVideoCodec,
String? scalabilityMode,
}) =>
VideoPublishOptions(
Expand All @@ -229,7 +234,8 @@ class VideoPublishOptions {
screenShareSimulcastLayers:
screenShareSimulcastLayers ?? this.screenShareSimulcastLayers,
videoCodec: videoCodec ?? this.videoCodec,
backupCodec: backupCodec ?? this.backupCodec,
enableBackupCodec: enableBackupCodec ?? this.enableBackupCodec,
backupVideoCodec: backupVideoCodec ?? this.backupVideoCodec,
scalabilityMode: scalabilityMode ?? this.scalabilityMode,
);

Expand Down
18 changes: 12 additions & 6 deletions lib/src/participant/local.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -150,9 +150,10 @@ class LocalParticipant extends Participant<LocalTrackPublication> {
if (!room.roomOptions.dynacast) {
room.engine.roomOptions = room.roomOptions.copyWith(dynacast: true);
}
if (publishOptions.backupCodec == null) {

if (publishOptions.backupVideoCodec == null) {
publishOptions = publishOptions.copyWith(
backupCodec: BackupVideoCodec(),
backupVideoCodec: BackupVideoCodec(),
);
}
if (publishOptions.scalabilityMode == null) {
Expand Down Expand Up @@ -209,10 +210,15 @@ class LocalParticipant extends Participant<LocalTrackPublication> {
),
];

if (publishOptions.backupCodec != null &&
publishOptions.backupCodec!.codec != publishOptions.videoCodec) {
if (publishOptions.enableBackupCodec == true &&
publishOptions.backupVideoCodec == null) {
publishOptions.copyWith(backupVideoCodec: BackupVideoCodec());
}

if (publishOptions.enableBackupCodec == true &&
publishOptions.backupVideoCodec!.codec != publishOptions.videoCodec) {
simulcastCodecs.add(lk_rtc.SimulcastCodec(
codec: publishOptions.backupCodec!.codec.toLowerCase(),
codec: publishOptions.backupVideoCodec!.codec.toLowerCase(),
cid: '',
));
}
Expand Down Expand Up @@ -319,7 +325,7 @@ class LocalParticipant extends Participant<LocalTrackPublication> {
track: track,
);
addTrackPublication(pub);
pub.backupVideoCodec = publishOptions.backupCodec;
pub.backupVideoCodec = publishOptions.backupVideoCodec;

// did publish
await track.onPublish();
Expand Down
2 changes: 2 additions & 0 deletions lib/src/utils.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -631,3 +631,5 @@ String mimeTypeToVideoCodecString(String mimeType) {
}
return codec;
}

const defaultVideoCodec = 'vp8';
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