M4A/MP4 : Support mdta metadata handler

Zeugma440 · Zeugma440 · commit 9aeaab2163ff · 2025-01-22T08:43:15.000+01:00
diff --git a/ATL/AudioData/IO/MP4.cs b/ATL/AudioData/IO/MP4.cs
@@ -1350,7 +1350,8 @@ private void readTag(BinaryReader source, ReadTagParams readTagParams)
             source.BaseStream.Seek(4, SeekOrigin.Current); // Quicktime type
             string strData = Utils.Latin1Encoding.GetString(source.ReadBytes(4)); // Meta data type
 
-            if (!strData.Equals("mdir"))
+            // mdir and mdta both represent the same kind of metadata
+            if (!strData.Equals("mdir") && !strData.Equals("mdta"))
             {
                 string errMsg = "ATL does not support ";
                 if (strData.Equals("mp7t")) errMsg += "MPEG-7 XML metadata";

Original file line number	Diff line number	Diff line change
`@@ -1350,7 +1350,8 @@ private void readTag(BinaryReader source, ReadTagParams readTagParams)`
`1350`	`1350`	`source.BaseStream.Seek(4, SeekOrigin.Current); // Quicktime type`
`1351`	`1351`	`string strData = Utils.Latin1Encoding.GetString(source.ReadBytes(4)); // Meta data type`
`1352`	`1352`
`1353`		`- if (!strData.Equals("mdir"))`
	`1353`	`+ // mdir and mdta both represent the same kind of metadata`
	`1354`	`+ if (!strData.Equals("mdir") && !strData.Equals("mdta"))`
`1354`	`1355`	`{`
`1355`	`1356`	`string errMsg = "ATL does not support ";`
`1356`	`1357`	`if (strData.Equals("mp7t")) errMsg += "MPEG-7 XML metadata";`