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Enhancement: Ensure playback starts from the beginning of the seekable range for live and recorded streams

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This commit is contained in:
SergeantPanda 2026-04-26 11:54:01 -05:00
parent aa693f7a6a
commit 8a89f43afd
1 changed files with 38 additions and 4 deletions
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42
frontend/src/components/FloatingVideo.jsx
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@ -242,10 +242,40 @@ export default function FloatingVideo() {
const { volume: savedVolume, muted: savedMuted } = getPlayerPrefs();
if (typeof savedVolume === 'number') video.volume = savedVolume;
if (typeof savedMuted === 'boolean') video.muted = savedMuted;
// Always start playback from the beginning of the seekable range.
let hasSeekedToStart = false;
const seekToStart = () => {
if (hasSeekedToStart) return;
try {
let target = 0;
if (video.seekable && video.seekable.length > 0) {
target = video.seekable.start(0);
}
// Only apply if we're not already at/near the start. Avoid
// setting currentTime when the video has no duration yet.
if (
Number.isFinite(target) &&
Math.abs((video.currentTime || 0) - target) > 0.25
) {
video.currentTime = target;
}
hasSeekedToStart = true;
} catch {
// ignore
}
};
const handleLoadStart = () => setIsLoading(true);
const handleLoadedData = () => setIsLoading(false);
const handleLoadedMetadata = () => {
seekToStart();
};
const handleLoadedData = () => {
setIsLoading(false);
seekToStart();
};
const handleCanPlay = () => {
setIsLoading(false);
seekToStart();
// Auto-play for VOD content
video.play().catch((e) => {
console.log('Auto-play prevented:', e);
@ -275,6 +305,7 @@ export default function FloatingVideo() {
// Add event listeners
video.addEventListener('loadstart', handleLoadStart);
video.addEventListener('loadedmetadata', handleLoadedMetadata);
video.addEventListener('loadeddata', handleLoadedData);
video.addEventListener('canplay', handleCanPlay);
video.addEventListener('error', handleError);
@ -298,6 +329,10 @@ export default function FloatingVideo() {
if (isHls && Hls.isSupported()) {
hls = new Hls({
// Start playback at the very beginning of the recording rather than
// the live edge. Without this, an in-progress recording would
// open at "now" and hide all already-recorded content.
startPosition: 0,
// Allow seeking back to the start of the recording, regardless of
// current playhead position. Recordings can be hours long and the
// user may want to scrub anywhere; we explicitly disable buffer
@ -330,9 +365,7 @@ export default function FloatingVideo() {
// ignore
}
} else {
setLoadError(
`HLS playback error: ${data.details || data.type}`
);
setLoadError(`HLS playback error: ${data.details || data.type}`);
}
}
});
@ -354,6 +387,7 @@ export default function FloatingVideo() {
playerRef.current = {
destroy: () => {
video.removeEventListener('loadstart', handleLoadStart);
video.removeEventListener('loadedmetadata', handleLoadedMetadata);
video.removeEventListener('loadeddata', handleLoadedData);
video.removeEventListener('canplay', handleCanPlay);
video.removeEventListener('error', handleError);