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Add ducktyped Promise checks (fixes #472)

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Vanilagy
2026-08-26 11:24:24 +02:00
parent 0f9dc1f91b
commit 14fb7d0119
19 changed files with 162 additions and 128 deletions
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src/adts/adts-demuxer.ts
+6 -5
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@@ -23,6 +23,7 @@ import {
AsyncMutex,
binarySearchExact,
binarySearchLessOrEqual,
isThenable,
UNDETERMINED_LANGUAGE,
} from '../misc';
import { EncodedPacket, PLACEHOLDER_DATA } from '../packet';
@@ -84,7 +85,7 @@ export class AdtsDemuxer extends Demuxer {
// Skip all ID3v2 tags at the start of the file
while (true) {
let slice = this.reader.requestSlice(this.lastLoadedPos, ID3_V2_HEADER_SIZE);
if (slice instanceof Promise) slice = await slice;
if (isThenable(slice)) slice = await slice;
if (!slice) {
this.lastSampleLoaded = true;
@@ -105,7 +106,7 @@ export class AdtsDemuxer extends Demuxer {
MIN_ADTS_FRAME_HEADER_SIZE,
MAX_ADTS_FRAME_HEADER_SIZE,
);
if (slice instanceof Promise) slice = await slice;
if (isThenable(slice)) slice = await slice;
if (!slice) {
this.lastSampleLoaded = true;
return;
@@ -167,7 +168,7 @@ export class AdtsDemuxer extends Demuxer {
while (true) {
let headerSlice = this.reader.requestSlice(currentPos, ID3_V2_HEADER_SIZE);
if (headerSlice instanceof Promise) headerSlice = await headerSlice;
if (isThenable(headerSlice)) headerSlice = await headerSlice;
if (!headerSlice) break;
const id3V2Header = readId3V2Header(headerSlice);
@@ -176,7 +177,7 @@ export class AdtsDemuxer extends Demuxer {
}
let contentSlice = this.reader.requestSlice(headerSlice.filePos, id3V2Header.size);
if (contentSlice instanceof Promise) contentSlice = await contentSlice;
if (isThenable(contentSlice)) contentSlice = await contentSlice;
if (!contentSlice) break;
parseId3V2Tag(contentSlice, id3V2Header, this.metadataTags);
@@ -306,7 +307,7 @@ class AdtsAudioTrackBacking implements InputAudioTrackBacking {
data = PLACEHOLDER_DATA;
} else {
let slice = this.demuxer.reader.requestSlice(rawSample.dataStart, rawSample.dataSize);
if (slice instanceof Promise) slice = await slice;
if (isThenable(slice)) slice = await slice;
if (!slice) {
return null; // Data didn't fit into the rest of the file