Initial working version

2022-12-22 20:22:22 +11:00
parent ce9675a1cc
commit ced7fa5092
902 changed files with 150252 additions and 0 deletions
@@ -0,0 +1,30 @@
+import { BasicParser } from '../common/BasicParser';
+import { Atom } from './Atom';
+export declare class MP4Parser extends BasicParser {
+    private static read_BE_Integer;
+    private audioLengthInBytes;
+    private tracks;
+    parse(): Promise<void>;
+    handleAtom(atom: Atom, remaining: number): Promise<void>;
+    private getTrackDescription;
+    private calculateBitRate;
+    private addTag;
+    private addWarning;
+    /**
+     * Parse data of Meta-item-list-atom (item of 'ilst' atom)
+     * @param metaAtom
+     * Ref: https://developer.apple.com/library/content/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW8
+     */
+    private parseMetadataItemData;
+    private parseValueAtom;
+    private atomParsers;
+    /**
+     * @param sampleDescription
+     * Ref: https://developer.apple.com/library/archive/documentation/QuickTime/QTFF/QTFFChap3/qtff3.html#//apple_ref/doc/uid/TP40000939-CH205-128916
+     */
+    private parseSoundSampleDescription;
+    private parseChapterTrack;
+    private findSampleOffset;
+    private getChunkDuration;
+    private getSamplesPerChunk;
+}