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 +1,44 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TheoraParser = void 0;
+const initDebug = require("debug");
+const Theora_1 = require("./Theora");
+const debug = initDebug('music-metadata:parser:ogg:theora');
+/**
+ * Ref:
+ *   https://theora.org/doc/Theora.pdf
+ */
+class TheoraParser {
+    constructor(metadata, options, tokenizer) {
+        this.metadata = metadata;
+        this.tokenizer = tokenizer;
+    }
+    /**
+     * Vorbis 1 parser
+     * @param header Ogg Page Header
+     * @param pageData Page data
+     */
+    parsePage(header, pageData) {
+        if (header.headerType.firstPage) {
+            this.parseFirstPage(header, pageData);
+        }
+    }
+    flush() {
+        debug('flush');
+    }
+    calculateDuration(header) {
+        debug('duration calculation not implemented');
+    }
+    /**
+     * Parse first Theora Ogg page. the initial identification header packet
+     * @param {IPageHeader} header
+     * @param {Buffer} pageData
+     */
+    parseFirstPage(header, pageData) {
+        debug('First Ogg/Theora page');
+        this.metadata.setFormat('codec', 'Theora');
+        const idHeader = Theora_1.IdentificationHeader.get(pageData, 0);
+        this.metadata.setFormat('bitrate', idHeader.nombr);
+    }
+}
+exports.TheoraParser = TheoraParser;