Merge pull request #11 from SidOfc/patch/mp4-v2

patch/mp4 v2
SidOfc · Mar 19, 2023 · 880bef9 · 880bef9
2 parents 8193b1b + 92445f1
commit 880bef9
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Showing 4 changed files with 6 additions and 4 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,3 +1,4 @@
 dist
 node_modules
 debug.js
+test/local
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "leather",
-    "version": "2.1.1",
+    "version": "2.1.2",
     "description": "A pure JS library for extracting image/video attributes such as width, height, size, and mime type",
     "author": "Sidney Liebrand",
     "license": "MIT",

diff --git a/src/extractors/mp4.js b/src/extractors/mp4.js
@@ -10,6 +10,7 @@ export function attributes(input) {
     const type = stream.skip(4).take(8).toString('hex');
     const mime = MIME_TYPES[type] || 'video/mp4';
 
+    stream.goto(0);
     const result = Object.assign(v2(stream) ?? {}, {size: stream.size(), mime});
 
     if (!Number.isInteger(result.width) || !Number.isInteger(result.height)) {
@@ -68,6 +69,6 @@ function v2(stream, lastTkhd) {
             stream.goto(pos);
         }
 
-        stream.skip(size);
+        stream.skip(size - 8);
     }
 }