public static LameTag FromBinaryReader(BinaryReader br)
{
LameTag tag1 = new LameTag();
tag1.Quality = br.ReadByte();
tag1.Encoder = br.ReadBytes(4);
tag1.VersionString = br.ReadBytes(5);
tag1.TagRevision_EncodingMethod = (byte) (br.ReadByte() & 15);
tag1.Lowpass = br.ReadByte();
tag1.ReplayGain = br.ReadBytes(8);
tag1.EncodingFlags_ATHType = (byte) (br.ReadByte() & 15);
tag1.Bitrate = br.ReadByte();
tag1.EncoderDelays = br.ReadBytes(3);
tag1.MiscInfo = br.ReadByte();
tag1.MP3Gain = br.ReadByte();
tag1.Surround_Preset = br.ReadBytes(2);
tag1.MusicLength = br.ReadBytes(4);
tag1.MusicCRC = br.ReadBytes(2);
tag1.InfoTagCRC = br.ReadBytes(2);
tag1.NoiseShaping = (byte) (tag1.MiscInfo & 3);
tag1.StereoMode = (byte) ((tag1.MiscInfo & 0x1c) >> 2);
return tag1;
}
public static LameTag FromBinaryReader(BinaryReader br)
{
LameTag tag1 = new LameTag();
tag1.Quality = br.ReadByte();
tag1.Encoder = br.ReadBytes(4);
tag1.VersionString = br.ReadBytes(5);
tag1.TagRevision_EncodingMethod = (byte)(br.ReadByte() & 15);
tag1.Lowpass = br.ReadByte();
tag1.ReplayGain = br.ReadBytes(8);
tag1.EncodingFlags_ATHType = (byte)(br.ReadByte() & 15);
tag1.Bitrate = br.ReadByte();
tag1.EncoderDelays = br.ReadBytes(3);
tag1.MiscInfo = br.ReadByte();
tag1.MP3Gain = br.ReadByte();
tag1.Surround_Preset = br.ReadBytes(2);
tag1.MusicLength = br.ReadBytes(4);
tag1.MusicCRC = br.ReadBytes(2);
tag1.InfoTagCRC = br.ReadBytes(2);
tag1.NoiseShaping = (byte)(tag1.MiscInfo & 3);
tag1.StereoMode = (byte)((tag1.MiscInfo & 0x1c) >> 2);
return(tag1);
}
public BasicLameTagReader(string path)
{
this.m_IsLameTagFound = true;
this.m_Tag = new LameTag();
using (BinaryReader reader1 = new BinaryReader(File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read)))
{
int num1 = ID3v2Helper.GetTagSize(reader1.BaseStream);
reader1.BaseStream.Seek((long)num1, SeekOrigin.Begin);
StartOfFile file1 = StartOfFile.FromBinaryReader(reader1);
reader1.BaseStream.Seek((long)num1, SeekOrigin.Begin);
string text1 = Encoding.ASCII.GetString(file1.Info1);
string text2 = Encoding.ASCII.GetString(file1.Info2);
string text3 = Encoding.ASCII.GetString(file1.Info3);
switch (text1)
{
case "Xing":
case "Info":
reader1.BaseStream.Seek((long)13, SeekOrigin.Current);
break;
default:
switch (text2)
{
case "Xing":
case "Info":
reader1.BaseStream.Seek((long)0x15, SeekOrigin.Current);
break;
}
switch (text3)
{
case "Xing":
case "Info":
reader1.BaseStream.Seek((long)0x24, SeekOrigin.Current);
break;
}
this.m_IsLameTagFound = true;
break;
}
reader1.BaseStream.Seek((long)0x77, SeekOrigin.Current);
this.m_Tag = LameTag.FromBinaryReader(reader1);
reader1.BaseStream.Seek((long)-Marshal.SizeOf(typeof(LameTag)), SeekOrigin.Current);
OldLameHeader header1 = OldLameHeader.FromBinaryReader(reader1);
this.m_VersionStringNonLameTag = Encoding.ASCII.GetString(header1.VersionString);
}
if (this.m_Tag.VersionString[1] == 0x2e)
{
byte[] buffer1 = new byte[6];
int num2 = 0;
while ((num2 < 4) || ((num2 == 4) && (this.m_Tag.VersionString[num2] == 0x62)))
{
buffer1[num2] = this.m_Tag.VersionString[num2];
num2++;
}
Array.Resize <byte>(ref buffer1, num2);
this.m_VersionString = Encoding.ASCII.GetString(buffer1);
}
else
{
this.m_VersionString = "";
}
if (Encoding.ASCII.GetString(this.m_Tag.Encoder) != "LAME")
{
this.m_IsLameTagFound = false;
}
this.m_Preset = (ushort)(((this.m_Tag.Surround_Preset[0] << 8) + this.m_Tag.Surround_Preset[1]) & 0x7ff);
this.m_PresetGuess = new PresetGuesser().GuessPreset(this.VersionStringNonLameTag, this.m_Tag.Bitrate, this.m_Tag.Quality, this.m_Tag.TagRevision_EncodingMethod, this.m_Tag.NoiseShaping, this.m_Tag.StereoMode, this.m_Tag.EncodingFlags_ATHType, this.m_Tag.Lowpass, out this.m_IsPresetGuessNonBitrate);
}