WMA : Support full date in YEAR field [#374]

Author: Zeugma440

ATL.unit-test/IO/HighLevel.cs

@@ -1,6 +1,7 @@
 using System.Buffers.Binary;
 using ATL.AudioData;
 using System.Drawing;
+using System.Text;
 using ATL.test.IO.MetaData;
 using static ATL.Logging.Log;
 using ATL.Logging;
@@ -1278,6 +1279,7 @@ public void TagIO_RW_Year_or_Date_On_File()
         {
             tagIO_RW_Year_or_Date_On_File("MP4/empty.m4a", "MP4/mp4.m4a", "MP4/mp4_date_in_©day.m4a", 20, 26);
             tagIO_RW_Year_or_Date_On_File("OGG/empty.ogg", "OGG/chapters.ogg", "OGG/ogg.ogg", 9, 15);
+            tagIO_RW_Year_or_Date_On_File("WMA/empty_full.wma", "WMA/wma.wma", "WMA/date_in_year.wma", 10, 22);
 
             MetaDataIOFactory.TagType defType = ATL.Settings.DefaultTagsWhenNoMetadata[0];
             ATL.Settings.DefaultTagsWhenNoMetadata[0] = MetaDataIOFactory.TagType.APE;
@@ -1398,6 +1400,7 @@ private int getDateFieldLength(string filePath)
             using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
             {
                 if (filePath.EndsWith("ogg")) return getVorbisDateFieldLength(fs);
+                if (filePath.EndsWith("wma")) return getWmaDateFieldLength(fs);
                 if (filePath.EndsWith("m4a")) return getMP4DateFieldLength(fs);
                 if (filePath.EndsWith("mp3")) return getApeDateFieldLength(fs);
                 return -1;
@@ -1440,6 +1443,15 @@ private int getApeDateFieldLength(Stream s)
             return BinaryPrimitives.ReadInt32LittleEndian(buffer);
         }
 
+        private int getWmaDateFieldLength(Stream s)
+        {
+            Assert.AreEqual(true, StreamUtils.FindSequence(s, Encoding.BigEndianUnicode.GetBytes("WM/Year")));
+            byte[] buffer = new byte[4];
+            s.Seek(2, SeekOrigin.Current);
+            s.Read(buffer, 0, 4);
+            return BinaryPrimitives.ReadInt32BigEndian(buffer);
+        }
+
         [TestMethod]
         public void TagIO_RW_Track_Number_Str_Num()
         {

ATL.unit-test/Resources/WMA/date_in_year.wma

@@ -93,7 +93,7 @@ private void Reset()
             { "WM/AUTHOR", Field.ARTIST },
             { "WM/COPYRIGHT", Field.COPYRIGHT },
             { "WM/DESCRIPTION", Field.COMMENT },
-            { "WM/Year", Field.RECORDING_YEAR },
+            { "WM/Year", Field.RECORDING_DATE_OR_YEAR },
             { "WM/Genre", Field.GENRE },
             { "WM/TrackNumber", Field.TRACK_NUMBER_TOTAL },
             { "WM/PartOfSet", Field.DISC_NUMBER_TOTAL },