Fix failing tests, add missing license headers

src/hls/hls-demuxer.ts

@@ -1,3 +1,11 @@
+/*!
+ * Copyright (c) 2026-present, Vanilagy and contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
 import { AUDIO_CODECS, AudioCodec, inferCodecFromCodecString, MediaCodec, VIDEO_CODECS, VideoCodec } from '../codec';
 import { Demuxer, DurationMetadataRequestOptions } from '../demuxer';
 import { Input } from '../input';

src/hls/hls-misc.ts

@@ -1,3 +1,11 @@
+/*!
+ * Copyright (c) 2026-present, Vanilagy and contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
 export const canIgnoreLine = (line: string) => line.length === 0 || (line.startsWith('#') && !line.startsWith('#EXT'));
 
 export class AttributeList {

src/hls/hls-muxer.ts

@@ -1,3 +1,11 @@
+/*!
+ * Copyright (c) 2026-present, Vanilagy and contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
 import { MediaCodec, validateAudioChunkMetadata, validateVideoChunkMetadata } from '../codec';
 import { EncodedAudioPacketSource, EncodedVideoPacketSource } from '../media-source';
 import { arrayArgmax, assert, findLastIndex, joinPaths, textEncoder, toArray, UNDETERMINED_LANGUAGE } from '../misc';

src/hls/hls-segmented-input.ts

@@ -1,3 +1,11 @@
+/*!
+ * Copyright (c) 2026-present, Vanilagy and contributors
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
 import { AES_128_BLOCK_SIZE, createAes128CbcDecryptStream } from '../aes';
 import { ENCRYPTION_KEY_CACHE_GROUP, Input } from '../input';
 import { Segment, SegmentedInput, SegmentRetrievalOptions } from '../segmented-input';