init commit

remotion/node_modules/@remotion/media-parser/dist/metadata/get-metadata.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.hasMetadata = exports.getMetadata = void 0;
+const get_metadata_from_flac_1 = require("../containers/flac/get-metadata-from-flac");
+const get_metadata_from_mp3_1 = require("../containers/mp3/get-metadata-from-mp3");
+const get_metadata_from_wav_1 = require("../containers/wav/get-metadata-from-wav");
+const metadata_from_iso_1 = require("./metadata-from-iso");
+const metadata_from_matroska_1 = require("./metadata-from-matroska");
+const metadata_from_riff_1 = require("./metadata-from-riff");
+const getMetadata = (state) => {
+    var _a, _b;
+    const structure = state.structure.getStructure();
+    if (structure.type === 'matroska') {
+        return (0, metadata_from_matroska_1.getMetadataFromMatroska)(structure);
+    }
+    if (structure.type === 'riff') {
+        return (0, metadata_from_riff_1.getMetadataFromRiff)(structure);
+    }
+    if (structure.type === 'transport-stream' || structure.type === 'm3u') {
+        return [];
+    }
+    if (structure.type === 'mp3') {
+        const tags = (0, get_metadata_from_mp3_1.getMetadataFromMp3)(structure);
+        // Not all MP3s file have this header.
+        // Internal link: https://discord.com/channels/809501355504959528/1001500302375125055/1408880907602890752
+        return tags !== null && tags !== void 0 ? tags : [];
+    }
+    if (structure.type === 'wav') {
+        return (_a = (0, get_metadata_from_wav_1.getMetadataFromWav)(structure)) !== null && _a !== void 0 ? _a : [];
+    }
+    if (structure.type === 'aac') {
+        return [];
+    }
+    if (structure.type === 'flac') {
+        return (_b = (0, get_metadata_from_flac_1.getMetadataFromFlac)(structure)) !== null && _b !== void 0 ? _b : [];
+    }
+    if (structure.type === 'iso-base-media') {
+        return (0, metadata_from_iso_1.getMetadataFromIsoBase)(state);
+    }
+    throw new Error('Unknown container ' + structure);
+};
+exports.getMetadata = getMetadata;
+// TODO: This forces some containers to check the whole file
+// we can do this better! skip over video data
+const hasMetadata = (structure) => {
+    if (structure.type === 'mp3') {
+        return (0, get_metadata_from_mp3_1.getMetadataFromMp3)(structure) !== null;
+    }
+    if (structure.type === 'wav') {
+        return (0, get_metadata_from_wav_1.getMetadataFromWav)(structure) !== null;
+    }
+    // M3U, Transport Stream, AAC cannot store any metadata
+    if (structure.type === 'm3u' ||
+        structure.type === 'transport-stream' ||
+        structure.type === 'aac') {
+        return true;
+    }
+    if (structure.type === 'flac') {
+        return (0, get_metadata_from_flac_1.getMetadataFromFlac)(structure) !== null;
+    }
+    // The following containers (MP4, Matroska, AVI) all have mechanisms
+    // to skip over video sections, and tests for it in read-metadata.test.ts
+    if (structure.type === 'iso-base-media') {
+        return false;
+    }
+    if (structure.type === 'matroska') {
+        return false;
+    }
+    if (structure.type === 'riff') {
+        return false;
+    }
+    throw new Error('Unknown container ' + structure);
+};
+exports.hasMetadata = hasMetadata;