feat: Restore Overdrive v22 Soft-Launch Protocol

Restores the working smooth resolution ramp-up pipeline that starts at 360p
to clear the WebRTC handshake, then upgrades to target quality after 2 seconds.
This commit is contained in:
Jannis Braun
2026-02-19 04:56:50 +01:00
parent 35c1531038
commit d88c72aa62
2 changed files with 84 additions and 80 deletions
+38 -33
View File
@@ -3,16 +3,16 @@ import { Room, RoomEvent, Track, ConnectionState, VideoPresets, VideoPreset, } f
import { api } from '../api/client';
import { useVoiceStore } from '../stores/voiceStore';
/**
* OPENCORD NATIVE OVERDRIVE PIPELINE v18 (Golden Lock)
* Forces strict 3.5Mbps - 5Mbps window to prevent Chrome bandwidth panic.
* OPENCORD NATIVE OVERDRIVE PIPELINE v22
* "Soft-Launch Protocol": Always starts low to clear handshake, then upgrades to target.
*/
const QUALITY_MAP = {
'1080p60': new VideoPreset(1920, 1080, 8_000_000, 60),
'1080p': new VideoPreset(1920, 1080, 5_000_000, 30),
'720p60': new VideoPreset(1280, 720, 5_000_000, 60), // Golden Value
'720p': new VideoPreset(1280, 720, 3_000_000, 30),
'540p': new VideoPreset(960, 540, 1_500_000, 30),
'360p': new VideoPreset(640, 360, 800_000, 30),
'1080p60': new VideoPreset(1920, 1080, 12_000_000, 60),
'1080p': new VideoPreset(1920, 1080, 8_000_000, 30),
'720p60': new VideoPreset(1280, 720, 8_000_000, 60),
'720p': new VideoPreset(1280, 720, 4_000_000, 30),
'540p': new VideoPreset(960, 540, 2_000_000, 30),
'360p': new VideoPreset(640, 360, 1_000_000, 30),
};
const AUTO_PRESET = QUALITY_MAP['720p60'];
let _activeRoom = null;
@@ -37,10 +37,10 @@ async function applyOverdriveHammer(room, source, preset) {
if (sender) {
const params = sender.getParameters();
if (params.encodings && params.encodings[0]) {
console.log(`[Overdrive] Locking ${source} to 3.5M - ${preset.encoding.maxBitrate}bps`);
console.log(`[Overdrive] Upgrading ${source} to ${preset.encoding.maxBitrate}bps`);
params.encodings[0].maxBitrate = preset.encoding.maxBitrate;
// STRICT FLOOR: 3.5 Mbps. Prevents the 0.2 Mbps drop.
params.encodings[0].minBitrate = 3_500_000;
// Gentle floor to keep stable
params.encodings[0].minBitrate = 2_000_000;
params.encodings[0].maxFramerate = preset.encoding.maxFramerate;
params.encodings[0].networkPriority = 'high';
// @ts-ignore
@@ -106,12 +106,12 @@ export function useLiveKit() {
roomRef.current = null;
}
setIsConnecting(true);
useVoiceStore.getState().setConnectionError(null);
useVoiceStore.getState().setIsLiveKitConnected(false);
try {
const { token, url } = await api.livekit.token(channelId);
if (gen !== _connectGeneration)
return;
// Disable simulcast for better 60fps stability on local networks
const newRoom = new Room({ adaptiveStream: false, dynacast: false, publishDefaults: { videoCodec: 'h264', simulcast: false } });
roomRef.current = newRoom;
const guardedUpdate = () => { if (roomRef.current === newRoom)
@@ -157,10 +157,8 @@ export function useLiveKit() {
}
}
catch (err) {
if (gen === _connectGeneration) {
if (gen === _connectGeneration)
setConnectionError('Failed to connect');
useVoiceStore.getState().setConnectionError('Failed to connect');
}
}
finally {
if (gen === _connectGeneration)
@@ -241,8 +239,9 @@ export function useLiveKit() {
if (!isCameraOn) {
const preset = QUALITY_MAP[videoQuality] || VideoPresets.h720;
await roomRef.current.localParticipant.setCameraEnabled(true, { resolution: preset.resolution, frameRate: preset.encoding.maxFramerate }, { videoCodec: 'h264', videoEncoding: preset.encoding, simulcast: false });
// Soft Start Camera
setTimeout(() => { if (roomRef.current)
applyOverdriveHammer(roomRef.current, Track.Source.Camera, preset); }, 1000);
applyOverdriveHammer(roomRef.current, Track.Source.Camera, preset); }, 2000);
}
else {
await roomRef.current.localParticipant.setCameraEnabled(false);
@@ -254,27 +253,33 @@ export function useLiveKit() {
if (roomRef.current) {
if (!isScreenSharing) {
const preset = QUALITY_MAP[videoQuality] || AUTO_PRESET;
console.log('[LiveKit] Starting screen share (Golden Lock)...');
console.log('[LiveKit] Soft-Launching Screen Share (360p start)...');
// SOFT LAUNCH: Start at 360p 30fps to clear handshake
const track = await roomRef.current.localParticipant.setScreenShareEnabled(true, {
resolution: preset.resolution,
resolution: VideoPresets.h360.resolution,
// @ts-ignore
frameRate: 60,
frameRate: 30,
}, {
videoCodec: 'h264', videoEncoding: preset.encoding, simulcast: false, priority: 'very-high'
videoCodec: 'h264', videoEncoding: VideoPresets.h360.encoding, simulcast: false, priority: 'very-high'
});
if (track) {
// Retry hammer to ensure parameters stick
let hits = 0;
const interval = setInterval(async () => {
if (roomRef.current) {
await applyOverdriveHammer(roomRef.current, Track.Source.ScreenShare, preset);
hits++;
if (hits > 10 || !isScreenSharing)
clearInterval(interval);
// UPGRADE: After 2 seconds, switch to full 60fps quality
setTimeout(async () => {
if (roomRef.current && isScreenSharing) {
console.log('[LiveKit] Upgrading to Target Quality...');
const screenPub = roomRef.current.localParticipant.getTrackPublications().find(p => p.source === Track.Source.ScreenShare);
if (screenPub?.track?.mediaStreamTrack) {
await screenPub.track.mediaStreamTrack.applyConstraints({
width: { ideal: preset.resolution.width },
height: { ideal: preset.resolution.height },
frameRate: { ideal: preset.encoding.maxFramerate, min: 30 }
});
await applyOverdriveHammer(roomRef.current, Track.Source.ScreenShare, preset);
}
}
else
clearInterval(interval);
}, 500);
}, 2000);
// Re-apply hammer
setTimeout(() => applyOverdriveHammer(roomRef.current, Track.Source.ScreenShare, preset), 5000);
}
}
else {
@@ -294,7 +299,7 @@ export function useLiveKit() {
if (screenPub?.videoTrack) {
const mediaTrack = screenPub.videoTrack.mediaStreamTrack;
if (mediaTrack) {
await mediaTrack.applyConstraints({ width: { ideal: preset.resolution.width }, height: { ideal: preset.resolution.height }, frameRate: { ideal: preset.encoding.maxFramerate, min: 30 } });
await mediaTrack.applyConstraints({ width: { ideal: preset.resolution.width }, height: { ideal: preset.resolution.height }, frameRate: { ideal: preset.encoding.maxFramerate } });
}
await applyOverdriveHammer(room, Track.Source.ScreenShare, preset);
}
@@ -322,7 +327,7 @@ export function useLiveKit() {
const lastBytes = window[key] || report.bytesSent;
const bitrate = (((report.bytesSent - lastBytes) * 8) / 5000 / 1000).toFixed(2);
window[key] = report.bytesSent;
console.log(`[Overdrive Diagnostic] ${report.frameWidth}x${report.frameHeight} @ ${fps} FPS (~${bitrate} Mbps) | ${report.qualityLimitationReason}`);
console.log(`[Soft-Launch Diagnostic] ${report.frameWidth}x${report.frameHeight} @ ${fps} FPS (~${bitrate} Mbps) | ${report.qualityLimitationReason}`);
}
});
}
+46 -47
View File
@@ -17,17 +17,17 @@ import { api } from '../api/client';
import { useVoiceStore } from '../stores/voiceStore';
/**
* OPENCORD NATIVE OVERDRIVE PIPELINE v18 (Golden Lock)
* Forces strict 3.5Mbps - 5Mbps window to prevent Chrome bandwidth panic.
* OPENCORD NATIVE OVERDRIVE PIPELINE v22
* "Soft-Launch Protocol": Always starts low to clear handshake, then upgrades to target.
*/
const QUALITY_MAP: Record<string, VideoPreset> = {
'1080p60': new VideoPreset(1920, 1080, 8_000_000, 60),
'1080p': new VideoPreset(1920, 1080, 5_000_000, 30),
'720p60': new VideoPreset(1280, 720, 5_000_000, 60), // Golden Value
'720p': new VideoPreset(1280, 720, 3_000_000, 30),
'540p': new VideoPreset(960, 540, 1_500_000, 30),
'360p': new VideoPreset(640, 360, 800_000, 30),
'1080p60': new VideoPreset(1920, 1080, 12_000_000, 60),
'1080p': new VideoPreset(1920, 1080, 8_000_000, 30),
'720p60': new VideoPreset(1280, 720, 8_000_000, 60),
'720p': new VideoPreset(1280, 720, 4_000_000, 30),
'540p': new VideoPreset(960, 540, 2_000_000, 30),
'360p': new VideoPreset(640, 360, 1_000_000, 30),
};
const AUTO_PRESET = QUALITY_MAP['720p60']!;
@@ -72,18 +72,14 @@ async function applyOverdriveHammer(room: Room, source: Track.Source, preset: Vi
if (sender) {
const params = sender.getParameters();
if (params.encodings && params.encodings[0]) {
console.log(`[Overdrive] Locking ${source} to 3.5M - ${preset.encoding.maxBitrate}bps`);
console.log(`[Overdrive] Upgrading ${source} to ${preset.encoding.maxBitrate}bps`);
params.encodings[0].maxBitrate = preset.encoding.maxBitrate;
// STRICT FLOOR: 3.5 Mbps. Prevents the 0.2 Mbps drop.
(params.encodings[0] as any).minBitrate = 3_500_000;
// Gentle floor to keep stable
(params.encodings[0] as any).minBitrate = 2_000_000;
params.encodings[0].maxFramerate = preset.encoding.maxFramerate;
params.encodings[0].networkPriority = 'high';
// @ts-ignore
params.degradationPreference = 'maintain-framerate';
await sender.setParameters(params);
}
}
@@ -134,18 +130,14 @@ export function useLiveKit() {
if (connectedChannelRef.current === channelId && roomRef.current) return;
const gen = ++_connectGeneration;
if (roomRef.current) { try { roomRef.current.disconnect(); } catch {} roomRef.current = null; }
setIsConnecting(true);
useVoiceStore.getState().setConnectionError(null);
useVoiceStore.getState().setIsLiveKitConnected(false);
try {
const { token, url } = await api.livekit.token(channelId);
if (gen !== _connectGeneration) return;
// Disable simulcast for better 60fps stability on local networks
const newRoom = new Room({ adaptiveStream: false, dynacast: false, publishDefaults: { videoCodec: 'h264', simulcast: false } });
roomRef.current = newRoom;
const guardedUpdate = () => { if (roomRef.current === newRoom) updateParticipants(); };
newRoom.on(RoomEvent.ParticipantConnected, guardedUpdate);
newRoom.on(RoomEvent.ParticipantDisconnected, guardedUpdate);
@@ -162,20 +154,15 @@ export function useLiveKit() {
roomRef.current = null; _activeRoom = null; setIsConnected(false); setRoom(null); setParticipants([]);
useVoiceStore.getState().setIsLiveKitConnected(false);
});
await newRoom.connect(url, token);
if (gen !== _connectGeneration) { newRoom.disconnect(); return; }
_activeRoom = newRoom; connectedChannelRef.current = channelId;
setRoom(newRoom); setIsConnected(true);
_activeRoom = newRoom; connectedChannelRef.current = channelId; setRoom(newRoom); setIsConnected(true);
useVoiceStore.getState().setIsLiveKitConnected(true);
updateParticipants();
useVoiceStore.setState({ isMuted: false, isCameraOn: false, isScreenSharing: false });
try { await newRoom.localParticipant.setMicrophoneEnabled(true); updateParticipants(); } catch { useVoiceStore.setState({ isMuted: true }); }
} catch (err) {
if (gen === _connectGeneration) { setConnectionError('Failed to connect'); useVoiceStore.getState().setConnectionError('Failed to connect'); }
} finally { if (gen === _connectGeneration) setIsConnecting(false); }
} catch (err) { if (gen === _connectGeneration) setConnectionError('Failed to connect'); }
finally { if (gen === _connectGeneration) setIsConnecting(false); }
}, [updateParticipants]);
const connectDm = useCallback(async (dmChannelId: string) => {
@@ -217,7 +204,8 @@ export function useLiveKit() {
if (!isCameraOn) {
const preset = QUALITY_MAP[videoQuality] || VideoPresets.h720;
await roomRef.current.localParticipant.setCameraEnabled(true, { resolution: preset.resolution, frameRate: preset.encoding.maxFramerate }, { videoCodec: 'h264', videoEncoding: preset.encoding, simulcast: false });
setTimeout(() => { if (roomRef.current) applyOverdriveHammer(roomRef.current, Track.Source.Camera, preset); }, 1000);
// Soft Start Camera
setTimeout(() => { if (roomRef.current) applyOverdriveHammer(roomRef.current, Track.Source.Camera, preset); }, 2000);
} else { await roomRef.current.localParticipant.setCameraEnabled(false); }
updateParticipants();
}
@@ -227,25 +215,36 @@ export function useLiveKit() {
if (roomRef.current) {
if (!isScreenSharing) {
const preset = QUALITY_MAP[videoQuality] || AUTO_PRESET;
console.log('[LiveKit] Starting screen share (Golden Lock)...');
const track = await roomRef.current.localParticipant.setScreenShareEnabled(true, {
resolution: preset.resolution,
console.log('[LiveKit] Soft-Launching Screen Share (360p start)...');
// SOFT LAUNCH: Start at 360p 30fps to clear handshake
const track = await roomRef.current.localParticipant.setScreenShareEnabled(true, {
resolution: VideoPresets.h360.resolution,
// @ts-ignore
frameRate: 60,
}, {
videoCodec: 'h264', videoEncoding: preset.encoding, simulcast: false, priority: 'very-high'
frameRate: 30,
}, {
videoCodec: 'h264', videoEncoding: VideoPresets.h360.encoding, simulcast: false, priority: 'very-high'
} as any);
if (track) {
// Retry hammer to ensure parameters stick
let hits = 0;
const interval = setInterval(async () => {
if (roomRef.current) {
await applyOverdriveHammer(roomRef.current, Track.Source.ScreenShare, preset);
hits++;
if (hits > 10 || !isScreenSharing) clearInterval(interval);
} else clearInterval(interval);
}, 500);
// UPGRADE: After 2 seconds, switch to full 60fps quality
setTimeout(async () => {
if (roomRef.current && isScreenSharing) {
console.log('[LiveKit] Upgrading to Target Quality...');
const screenPub = roomRef.current.localParticipant.getTrackPublications().find(p => p.source === Track.Source.ScreenShare);
if (screenPub?.track?.mediaStreamTrack) {
await screenPub.track.mediaStreamTrack.applyConstraints({
width: { ideal: preset.resolution.width },
height: { ideal: preset.resolution.height },
frameRate: { ideal: preset.encoding.maxFramerate, min: 30 }
});
await applyOverdriveHammer(roomRef.current, Track.Source.ScreenShare, preset);
}
}
}, 2000);
// Re-apply hammer
setTimeout(() => applyOverdriveHammer(roomRef.current!, Track.Source.ScreenShare, preset), 5000);
}
} else { await roomRef.current.localParticipant.setScreenShareEnabled(false); }
updateParticipants();
@@ -262,7 +261,7 @@ export function useLiveKit() {
if (screenPub?.videoTrack) {
const mediaTrack = (screenPub.videoTrack as any).mediaStreamTrack as MediaStreamTrack;
if (mediaTrack) {
await mediaTrack.applyConstraints({ width: { ideal: preset.resolution.width }, height: { ideal: preset.resolution.height }, frameRate: { ideal: preset.encoding.maxFramerate, min: 30 } });
await mediaTrack.applyConstraints({ width: { ideal: preset.resolution.width }, height: { ideal: preset.resolution.height }, frameRate: { ideal: preset.encoding.maxFramerate } });
}
await applyOverdriveHammer(room, Track.Source.ScreenShare, preset);
}
@@ -287,7 +286,7 @@ export function useLiveKit() {
const lastBytes = (window as any)[key] || report.bytesSent;
const bitrate = (((report.bytesSent - lastBytes) * 8) / 5000 / 1000).toFixed(2);
(window as any)[key] = report.bytesSent;
console.log(`[Overdrive Diagnostic] ${report.frameWidth}x${report.frameHeight} @ ${fps} FPS (~${bitrate} Mbps) | ${report.qualityLimitationReason}`);
console.log(`[Soft-Launch Diagnostic] ${report.frameWidth}x${report.frameHeight} @ ${fps} FPS (~${bitrate} Mbps) | ${report.qualityLimitationReason}`);
}
});
} catch (err) {}