private static bool ReadID3v2(IntPtr p, TAG_INFO tags)
{
if ((p == IntPtr.Zero) || (tags == null))
{
return(false);
}
try
{
ID3v2Reader reader = new ID3v2Reader(p);
while (reader.Read())
{
string key = reader.GetKey();
object obj2 = reader.GetValue();
if (obj2 is string)
{
tags.EvalTagEntry(string.Format("{0}={1}", key, obj2));
}
else if ((key == "APIC") && (obj2 is byte[]))
{
TagPicture tagPicture = reader.GetPicture(obj2 as byte[], tags.PictureCount);
if (tagPicture != null)
{
tags.AddPicture(tagPicture);
}
}
}
reader.Close();
}
catch
{
return(false);
}
return(true);
}
public static bool BASS_TAG_GetFromURL(int stream, TAG_INFO tags)
{
if ((stream == 0) || (tags == null))
{
return(false);
}
bool flag = false;
IntPtr ptr = BASS_ChannelGetTags(stream, BASSTag.BASS_TAG_ICY);
if (ptr == IntPtr.Zero)
{
ptr = BASS_ChannelGetTags(stream, BASSTag.BASS_TAG_HTTP);
}
if (ptr != IntPtr.Zero)
{
flag = tags.UpdateFromMETA(ptr.ToInt32(), false);
}
ptr = BASS_ChannelGetTags(stream, BASSTag.BASS_TAG_META);
if (ptr == IntPtr.Zero)
{
ptr = BASS_ChannelGetTags(stream, BASSTag.BASS_TAG_OGG);
}
if (ptr == IntPtr.Zero)
{
ptr = BASS_ChannelGetTags(stream, BASSTag.BASS_TAG_APE);
}
if (ptr == IntPtr.Zero)
{
ptr = BASS_ChannelGetTags(stream, BASSTag.BASS_TAG_WMA);
}
if (ptr != IntPtr.Zero)
{
flag = tags.UpdateFromMETA(ptr.ToInt32(), false);
}
return(flag);
}
private static bool ReadID3v1(IntPtr p, TAG_INFO tags)
{
if ((p == IntPtr.Zero) || (tags == null))
{
return(false);
}
if (Marshal.PtrToStringAnsi(p, 3) != "TAG")
{
return(false);
}
p = new IntPtr(p.ToInt32() + 3);
tags.title = Marshal.PtrToStringAuto(p).TrimEnd(new char[1]);
int index = tags.title.IndexOf('\0');
if (index > 0)
{
tags.title = tags.title.Substring(0, index);
}
p = new IntPtr(p.ToInt32() + 30);
tags.artist = Marshal.PtrToStringAnsi(p, 30).TrimEnd(new char[1]);
index = tags.artist.IndexOf('\0');
if (index > 0)
{
tags.artist = tags.artist.Substring(0, index);
}
p = new IntPtr(p.ToInt32() + 30);
tags.album = Marshal.PtrToStringAnsi(p, 30).TrimEnd(new char[1]);
index = tags.album.IndexOf('\0');
if (index > 0)
{
tags.album = tags.album.Substring(0, index);
}
p = new IntPtr(p.ToInt32() + 30);
tags.year = Marshal.PtrToStringAnsi(p, 4).TrimEnd(new char[1]);
index = tags.year.IndexOf('\0');
if (index > 0)
{
tags.year = tags.year.Substring(0, index);
}
p = new IntPtr(p.ToInt32() + 4);
tags.comment = Marshal.PtrToStringAnsi(p, 30).TrimEnd(new char[1]);
index = tags.comment.IndexOf('\0');
if (index > 0)
{
tags.comment = tags.comment.Substring(0, index);
}
p = new IntPtr(p.ToInt32() + 30);
int num2 = Marshal.ReadByte(p);
try
{
tags.genre = Enum.GetName(typeof(ID3v1Genre), num2);
}
catch
{
tags.genre = ID3v1Genre.Unknown.ToString();
}
return(true);
}
public static bool BASS_TAG_GetFromFile(int stream, TAG_INFO tags)
{
if ((stream == 0) || (tags == null))
{
return(false);
}
bool flag = false;
tags.channelInfo = new BASS_CHANNELINFO();
if (BASS_ChannelGetInfo(stream, tags.channelInfo))
{
BASSTag tagType = BASSTag.BASS_TAG_UNKNOWN;
IntPtr p = BASS_TAG_GetIntPtr(stream, tags.channelInfo, out tagType);
if (p != IntPtr.Zero)
{
switch (tagType)
{
case BASSTag.BASS_TAG_ID3:
return(ReadID3v1(p, tags));
case BASSTag.BASS_TAG_ID3V2:
return(ReadID3v2(p, tags));
case BASSTag.BASS_TAG_OGG:
return(tags.UpdateFromMETA(p.ToInt32(), true));
case BASSTag.BASS_TAG_HTTP:
case BASSTag.BASS_TAG_ICY:
case BASSTag.BASS_TAG_META:
return(flag);
case BASSTag.BASS_TAG_APE:
return(tags.UpdateFromMETA(p.ToInt32(), false));
case BASSTag.BASS_TAG_MP4:
return(tags.UpdateFromMETA(p.ToInt32(), false));
case BASSTag.BASS_TAG_WMA:
flag = tags.UpdateFromMETA(p.ToInt32(), true);
try
{
IntPtr pUnk = BASS_WMA_GetWMObject(stream);
if (!(pUnk != IntPtr.Zero))
{
return(flag);
}
IWMHeaderInfo3 objectForIUnknown = (IWMHeaderInfo3)Marshal.GetObjectForIUnknown(pUnk);
ArrayList allPictures = new WMFMetadataEditor(objectForIUnknown).GetAllPictures();
if (allPictures != null)
{
foreach (TagPicture picture in allPictures)
{
tags.AddPicture(picture);
}
}
objectForIUnknown = null;
GC.Collect();
}
catch
{
}
return(flag);
case BASSTag.BASS_TAG_RIFF_INFO:
return(tags.UpdateFromMETA(p.ToInt32(), false));
case BASSTag.BASS_TAG_MUSIC_NAME:
tags.title = BASS_ChannelGetMusicName(stream);
tags.artist = BASS_ChannelGetMusicMessage(stream);
return(true);
}
}
}
return(flag);
}
