From eaea04e21930adb08a3771e61ababd14c5e3f318 Mon Sep 17 00:00:00 2001
From: sebastjanartic <45803536-sebastjanartic@users.noreply.replit.com>
Date: Fri, 29 Aug 2025 10:09:40 +0000
Subject: [PATCH] Improve video playback speed and responsiveness during
 initial loading

Adjust HLS.js configuration for low-latency streaming, reducing initial buffer lengths and optimizing start-up quality selection for faster video playback initiation.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 2eb1084e-b728-4449-9231-f1665924c8d5
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/2eb1084e-b728-4449-9231-f1665924c8d5/P3O2FU7
---
 client/src/components/video-card.tsx | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/client/src/components/video-card.tsx b/client/src/components/video-card.tsx
index f914da5..0f3471c 100644
--- a/client/src/components/video-card.tsx
+++ b/client/src/components/video-card.tsx
@@ -80,15 +80,19 @@ export default function VideoCard({ video, onClick, className = "" }: VideoCardP
         console.log('Setting up HLS preview for:', video.title);
         hlsRef.current = new Hls({
           enableWorker: false,
-          lowLatencyMode: false,
-          backBufferLength: 30,
-          maxBufferLength: 60,
-          maxMaxBufferLength: 120,
-          maxBufferSize: 60 * 1000 * 1000,
-          maxBufferHole: 0.5,
-          startLevel: 0,
+          lowLatencyMode: true,
+          backBufferLength: 10,
+          maxBufferLength: 15,
+          maxMaxBufferLength: 30,
+          maxBufferSize: 30 * 1000 * 1000,
+          maxBufferHole: 0.1,
+          startLevel: -1, // Auto select lowest quality for fast start
           autoStartLoad: true,
           debug: false,
+          liveSyncDurationCount: 3,
+          liveMaxLatencyDurationCount: 10,
+          startFragPrefetch: true,
+          testBandwidth: false,
         });
         
         hlsRef.current.loadSource(video.videoUrl);