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-rw-r--r--src/hls-player.js7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/hls-player.js b/src/hls-player.js
index d0878e2..18292dd 100644
--- a/src/hls-player.js
+++ b/src/hls-player.js
@@ -2,10 +2,13 @@
// <video> through Media Source. Chrome and Safari play the playlist as a
// plain src, so this file is fetched only when needed. The single-file
// build replaces it with a stub (attachHls → null): no stream there.
-export async function attachHls(video, src) {
+// A stream that's on (`live`) is held near its live edge: started 1.5 s
+// back, played up to 1.1× when it drifts past 5 s.
+export async function attachHls(video, src, { live = false } = {}) {
const { default: Hls } = await import('hls.js');
if (!Hls.isSupported()) return null;
- const hls = new Hls({ lowLatencyMode: true, backBufferLength: 30 });
+ const hls = new Hls({ lowLatencyMode: true, backBufferLength: 30,
+ ...(live ? { liveSyncDuration: 1.5, liveMaxLatencyDuration: 5, maxLiveSyncPlaybackRate: 1.1 } : {}) });
hls.loadSource(src);
hls.attachMedia(video);
hls.on(Hls.Events.ERROR, (_, d) => {