Author: abock
Date: 2005-09-07 21:38:58 -0400 (Wed, 07 Sep 2005)
New Revision: 49675
Added:
trunk/ipod-sharp/src/ShuffleSongDatabase.cs
Log:
iPod shuffle support! woo
Added: trunk/ipod-sharp/src/ShuffleSongDatabase.cs
===================================================================
--- trunk/ipod-sharp/src/ShuffleSongDatabase.cs 2005-09-08 01:38:33 UTC (rev
49674)
+++ trunk/ipod-sharp/src/ShuffleSongDatabase.cs 2005-09-08 01:38:58 UTC (rev
49675)
@@ -0,0 +1,117 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace IPod {
+
+ public class ShuffleSongDatabase {
+
+ public static bool Save(Device device) {
+
+ if(device.Model != DeviceModel.Shuffle)
+ return false;
+
+ string sdbFile = device.ControlPath + "/iTunes/iTunesSD";
+
+ using(BinaryWriter writer = new BinaryWriter(new FileStream(
+ sdbFile, FileMode.Create))) {
+
+ WriteHeader(writer, device.SongDatabase.Songs.Length);
+
+ foreach(Song song in device.SongDatabase.Songs) {
+ WriteSongEntry(writer, device, song);
+ }
+ }
+
+ return true;
+ }
+
+ private static void WriteHeader(BinaryWriter writer, int songCount) {
+
+ // number of song entries in the file
+ writer.Write((byte)0x00);
+ writer.Write(Utility.ReverseByteOrder((short)songCount));
+
+ // unknown (0x010600)
+ writer.Write((byte)0x01);
+ writer.Write((byte)0x06);
+ writer.Write((byte)0x00);
+
+ // size of header (0x000012, 18 byte header)
+ writer.Write((byte)0x00);
+ writer.Write((byte)0x00);
+ writer.Write((byte)0x12);
+
+ // 9 bytes of 0 padding?
+ writer.Write(new byte [9]);
+ }
+
+ private static void WriteSongEntry(BinaryWriter writer, Device device,
+ Song song) {
+
+ // size of entry
+ writer.Write((byte)0x00);
+ writer.Write(Utility.ReverseByteOrder((short)0x022e));
+
+ // unknown (0x5aa501)
+ writer.Write((byte)0x5a);
+ writer.Write((byte)0xa5);
+ writer.Write((byte)0x01);
+
+ // start time in 256ms increments (60 seconds = 0xea)
+ writer.Write(new byte [3]);
+ // unknown (always 0?)
+ writer.Write(new byte [3]);
+ // unknown, assoc. with start time
+ writer.Write(new byte [3]);
+
+ // stop time in 256ms increments (60 seconds = 0xea)
+ writer.Write(new byte [3]);
+ // unknown (always 0?)
+ writer.Write(new byte [3]);
+ // unknown, assoc. with stop time
+ writer.Write(new byte [3]);
+
+ // volume (-100 to 0 to 100)
+ writer.Write((byte)0x00);
+ writer.Write(Utility.ReverseByteOrder((short)0x0064));
+
+ // file type (0x01 = MP3, 0x02 = AAC, 0x04 = WAV)
+ writer.Write(new byte [2]);
+ switch(song.Track.Type) {
+ case TrackRecordType.MP3:
+ writer.Write((byte)0x01);
+ break;
+ case TrackRecordType.AAC:
+ default:
+ writer.Write((byte)0x02);
+ break;
+ }
+
+ // unknown (0x000200)
+ writer.Write((byte)0x00);
+ writer.Write((byte)0x02);
+ writer.Write((byte)0x00);
+
+ // file name (UTF-16, record is 522 bytes)
+ string file = song.Filename;
+ if(file.StartsWith(device.MountPoint)) {
+ file = file.Substring(device.MountPoint.Length);
+ }
+
+ byte [] filebytes = Encoding.Unicode.GetBytes(file);
+ writer.Write(filebytes);
+ writer.Write(new byte [522 - filebytes.Length]);
+
+ // shuffle flag (0x00 to disable playback in shuffle mode)
+ writer.Write((byte)0x01);
+
+ // bookmark flag (0x00 to disable)
+ writer.Write((byte)0x00);
+
+ // unknown, always 0?
+ writer.Write((byte)0x00);
+ }
+ }
+}
+
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