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feat(HLS): Improve Low Latency performance in HLS #4952

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Jan 31, 2023
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feat(HLS): Improve Low Latency performance in HLS #4952

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5 changes: 2 additions & 3 deletions lib/media/streaming_engine.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1261,10 +1261,9 @@ shaka.media.StreamingEngine = class {
stream.mimeType == 'audio/mp4';
const isReadableStreamSupported = window.ReadableStream;
// Enable MP4 low latency streaming with ReadableStream chunked data.
// Disabled when AES-128 is present, as we cannot decrypt part of a
// segment.
// And only for DASH.
if (this.config_.lowLatencyMode && isReadableStreamSupported && isMP4 &&
!reference.hlsAes128Key) {
this.manifest_.type != shaka.media.ManifestParser.HLS) {
let remaining = new Uint8Array(0);
let processingResult = false;
let callbackCalled = false;
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