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Add pssh box parsing and expose them in resolveKey

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This commit is contained in:
Vanilagy
2026-04-24 19:01:25 +02:00
parent 1d6731e4f6
commit 5ee78c6480
8 changed files with 244 additions and 10 deletions
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test/node/hls-input.test.ts
+55 -1
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@@ -897,7 +897,17 @@ test.concurrent('Widevine encryption (SAMPLE-AES-CTR) succeeds with string keys'
formats: ALL_FORMATS,
formatOptions: {
isobmff: {
resolveKeyId: ({ keyId }) => {
resolveKeyId: ({ keyId, psshBoxes }) => {
expect(psshBoxes).toHaveLength(1);
expect(psshBoxes[0]!.systemId).toBe('edef8ba979d64acea3c827dcd51d21ed');
expect(psshBoxes[0]!.keyIds).toBeNull();
expect(psshBoxes[0]!.data).toEqual(new Uint8Array([
34, 22, 115, 104, 97, 107, 97, 95,
99, 101, 99, 50, 102, 54, 52, 97,
97, 55, 56, 57, 48, 97, 49, 49,
72, 227, 220, 149, 155, 6,
]));
const key = keyMap.get(keyId);
assert(key);
@@ -949,6 +959,50 @@ test.concurrent('Widevine encryption (SAMPLE-AES-CTR) succeeds with buffer keys'
expect(lastPacket.timestamp + lastPacket.duration).toBe(60);
});
test.concurrent('Widevine HLS passes #EXT-X-KEY PSSH boxes to key resolver', async () => {
const keyMap = new Map([
['4d97930a3d7b55fa81d0028653f5e499', '429ec76475e7a952d224d8ef867f12b6'],
['d21373c0b8ab5ba9954742bcdfb5f48b', '150a6c7d7dee6a91b74dccfce5b31928'],
['6f1729072b4a5cd288c916e11846b89e', 'a84b4bd66901874556093454c075e2c6'],
['800aacaa522958ae888062b5695db6bf', '775dbf7289c4cc5847becd571f536ff2'],
['67b30c86756f57c5a0a38a23ac8c9178', 'efa2878c2ccf6dd47ab349fcf90e6259'],
]);
using input = new Input({
source: new UrlSource('https://storage.googleapis.com/shaka-demo-assets/angel-one-widevine-hls/hls.m3u8'),
formats: ALL_FORMATS,
formatOptions: {
isobmff: {
_suppressPsshParsing: true,
resolveKeyId: ({ keyId, psshBoxes }) => {
expect(psshBoxes).toHaveLength(1);
expect(psshBoxes[0]!.systemId).toBe('edef8ba979d64acea3c827dcd51d21ed');
expect(psshBoxes[0]!.keyIds).toBeNull();
expect(psshBoxes[0]!.data).toEqual(new Uint8Array([
34, 22, 115, 104, 97, 107, 97, 95,
99, 101, 99, 50, 102, 54, 52, 97,
97, 55, 56, 57, 48, 97, 49, 49,
72, 227, 220, 149, 155, 6,
]));
const key = keyMap.get(keyId);
assert(key);
return key;
},
},
},
});
const videoTrack = await input.getPrimaryVideoTrack();
assert(videoTrack);
const sink = new EncodedPacketSink(videoTrack);
const lastPacket = await sink.getPacket(Infinity);
assert(lastPacket);
expect(lastPacket.timestamp + lastPacket.duration).toBe(60);
});
test.concurrent('SourceRequest.isRoot', async () => {
using input = new Input({
source: new CustomPathedSource(