public static bool Convert2ReaEQ(REWEQFilters filters, string filePath)
{
List <ReaEQBand> ReaEqBands = new List <ReaEQBand>();
foreach (REWEQBand filter in filters)
{
ReaEQBand band = new ReaEQBand();
band.LogScaleAutoFreq = true;
band.FilterFreq = filter.FilterFreq;
band.FilterGain = filter.FilterGain;
band.FilterBWOct = filter.FilterBWOct;
band.Enabled = filter.Enabled;
switch (filter.FilterType)
{
case REWEQFilterType.PK:
band.FilterType = ReaEQFilterType.Band;
break;
case REWEQFilterType.LP:
band.FilterType = ReaEQFilterType.LowPass;
break;
case REWEQFilterType.HP:
band.FilterType = ReaEQFilterType.HighPass;
break;
case REWEQFilterType.LS:
band.FilterType = ReaEQFilterType.LowShelf;
break;
case REWEQFilterType.HS:
band.FilterType = ReaEQFilterType.HighShelf;
break;
default:
band.FilterType = ReaEQFilterType.Band;
break;
}
ReaEqBands.Add(band);
}
// store to file
FXP fxp = new FXP();
fxp.ChunkMagic = "CcnK";
fxp.ByteSize = 0; // will be set correctly by FXP class
fxp.FxMagic = "FPCh"; // FPCh = FXP (preset), FBCh = FXB (bank)
fxp.Version = 1; // Format Version (should be 1)
fxp.FxID = "reeq";
fxp.FxVersion = 1100;
fxp.ProgramCount = 1;
fxp.Name = "";
using (MemoryStream memStream = new MemoryStream(10))
{
BinaryFile binFile = new BinaryFile(memStream, BinaryFile.ByteOrder.LittleEndian);
binFile.Write((int)33);
binFile.Write((int)ReaEqBands.Count);
foreach (ReaEQBand band in ReaEqBands)
{
binFile.Write((int)band.FilterType);
binFile.Write((int)(band.Enabled ? 1 : 0));
binFile.Write((double)band.FilterFreq);
binFile.Write((double)Decibel2AmplitudeRatio(band.FilterGain));
binFile.Write((double)band.FilterBWOct);
binFile.Write((byte)1);
}
binFile.Write((int)1);
binFile.Write((int)1);
binFile.Write((double)Decibel2AmplitudeRatio(0.00));
binFile.Write((int)0);
memStream.Flush();
byte[] chunkData = memStream.GetBuffer();
fxp.ChunkSize = chunkData.Length;
fxp.ChunkDataByteArray = chunkData;
}
fxp.WriteFile(filePath);
return(true);
}
public static bool Convert2ReaEQ(REWEQFilters filters, string filePath)
{
List<ReaEQBand> ReaEqBands = new List<ReaEQBand>();
foreach (REWEQBand filter in filters) {
ReaEQBand band = new ReaEQBand();
band.LogScaleAutoFreq = true;
band.FilterFreq = filter.FilterFreq;
band.FilterGain = filter.FilterGain;
band.FilterBWOct = filter.FilterBWOct;
band.Enabled = filter.Enabled;
switch (filter.FilterType) {
case REWEQFilterType.PK:
band.FilterType = ReaEQFilterType.Band;
break;
case REWEQFilterType.LP:
band.FilterType = ReaEQFilterType.LowPass;
break;
case REWEQFilterType.HP:
band.FilterType = ReaEQFilterType.HighPass;
break;
case REWEQFilterType.LS:
band.FilterType = ReaEQFilterType.LowShelf;
break;
case REWEQFilterType.HS:
band.FilterType = ReaEQFilterType.HighShelf;
break;
default:
band.FilterType = ReaEQFilterType.Band;
break;
}
ReaEqBands.Add(band);
}
// store to file
FXP fxp = new FXP();
fxp.ChunkMagic = "CcnK";
fxp.ByteSize = 0; // will be set correctly by FXP class
fxp.FxMagic = "FPCh"; // FPCh = FXP (preset), FBCh = FXB (bank)
fxp.Version = 1; // Format Version (should be 1)
fxp.FxID = "reeq";
fxp.FxVersion = 1100;
fxp.ProgramCount = 1;
fxp.Name = "";
using(MemoryStream memStream = new MemoryStream(10))
{
BinaryFile binFile = new BinaryFile(memStream, BinaryFile.ByteOrder.LittleEndian);
binFile.Write((int)33);
binFile.Write((int)ReaEqBands.Count);
foreach (ReaEQBand band in ReaEqBands) {
binFile.Write((int) band.FilterType);
binFile.Write((int) (band.Enabled ? 1 : 0) );
binFile.Write((double) band.FilterFreq);
binFile.Write((double) Decibel2AmplitudeRatio(band.FilterGain));
binFile.Write((double) band.FilterBWOct);
binFile.Write((byte) 1);
}
binFile.Write((int)1);
binFile.Write((int)1);
binFile.Write((double) Decibel2AmplitudeRatio(0.00));
binFile.Write((int)0);
memStream.Flush();
byte[] chunkData = memStream.GetBuffer();
fxp.ChunkSize = chunkData.Length;
fxp.ChunkDataByteArray = chunkData;
}
fxp.WriteFile(filePath);
return true;
}
/// <summary>
/// Parse a REW filters output file
/// The users regional locale is also taken into consideration
/// </summary>
/// <param name="filePath">path to file</param>
/// <returns>a rew eq filter object</returns>
public static REWEQFilters ReadREWEQFiltersFile(string filePath)
{
REWEQFilters filters = new REWEQFilters();
// Get current culture's NumberFormatInfo object.
NumberFormatInfo nfi = CultureInfo.CurrentCulture.NumberFormat;
//NumberFormatInfo nfi = CultureInfo.InvariantCulture.NumberFormat; // For debugging
// Assign needed property values to variables.
string decimalSeparator = nfi.NumberDecimalSeparator;
// Form regular expression pattern using the current culture's decimal seperator.
Regex digitsAndDecimalSeparatorOnly = new Regex(@"[^\d" + Regex.Escape(decimalSeparator) + "]");
using (StreamReader r = new StreamReader(filePath))
{
string line;
int filterCount = 0;
string regexpPattern = @"^Filter\s+\d+";
bool usingBWOct = false;
while ((line = r.ReadLine()) != null)
{
if (line.StartsWith("Equaliser:")) {
// find out what filter parse rule to use
if (line.Equals("Equaliser: FBQ2496")) {
// Filter 1: ON PEQ Fc 64,0 Hz Gain -5,0 dB BW Oct 0,167
regexpPattern = @"^Filter\s+\d+:\s(\w+)\s+(\w+)\s+Fc ([\D\d" +
Regex.Escape(decimalSeparator) + @"]+) Hz Gain ([\s\d" +
Regex.Escape(decimalSeparator) + @"\-]+) dB BW Oct ([\s\d" +
Regex.Escape(decimalSeparator) + @"]+)$";
usingBWOct = true;
} else if(line.Equals("Equaliser: Generic")) {
// Filter 1: ON PK Fc 63,8 Hz Gain -5,0 dB Q 8,06
regexpPattern = @"^Filter\s+\d+:\s(\w+)\s+(\w+)\s+Fc ([\D\d" +
Regex.Escape(decimalSeparator) + @"]+) Hz Gain ([\s\d" +
Regex.Escape(decimalSeparator) + @"\-]+) dB Q ([\s\d" +
Regex.Escape(decimalSeparator) + @"]+)$";
usingBWOct = false;
} else {
Console.Error.WriteLine("No known equaliser format!", line);
return null;
}
}
// skip all lines that does not start with "Filter <number>:"
if (Regex.IsMatch(line, @"^Filter\s+\d+:")) {
// remove any non breaking spaces
line = Regex.Replace(line, "\xA0", String.Empty);
// skip line if filter type is "None"
if(Regex.Match(line, @"^Filter\s+\d+:\s+ON\s+None.*$").Success) continue;
Match match = Regex.Match(line, regexpPattern);
if (match.Success) {
filterCount++;
string enabled = match.Groups[1].Value.Trim();
string type = match.Groups[2].Value.Trim();
string freq = match.Groups[3].Value.Trim();
freq = digitsAndDecimalSeparatorOnly.Replace(freq, "");
string gain = match.Groups[4].Value.Trim();
string q = match.Groups[5].Value.Trim();
REWEQBand band = new REWEQBand();
if (enabled.Equals("ON")) band.Enabled = true;
if (type.Equals("PEQ") || type.Equals("PK")) band.FilterType = REWEQFilterType.PK;
try {
band.FilterFreq = Double.Parse(freq, nfi);
band.FilterGain = Double.Parse(gain, nfi);
if (usingBWOct) {
band.FilterBWOct = Double.Parse(q, nfi);
band.FilterQ = BWOct2Q(band.FilterBWOct);
} else {
band.FilterQ = Double.Parse(q, nfi);
band.FilterBWOct = Q2BWOct(band.FilterQ);
}
} catch (Exception e) {
Console.Error.WriteLine("Parse error", e.Message);
return null;
}
filters.EqBands.Add(band);
} else {
// By some reason we failed parsing the Filter line which should have worked!
// probably a locale problem
Console.Error.WriteLine("Could not parse line: {0}", line);
MessageBox.Show(new Form() { WindowState = FormWindowState.Maximized, TopMost = true },
"Failed parsing filter line using Culture: " + CultureInfo.CurrentCulture.DisplayName + ". Does the REW filter file use this Culture? (e.g. '"
+ nfi.NumberDecimalSeparator + "' as the Decimal Separator?)" +
"\n\nUnparsable line:\n" +
line,
"Critical Warning!",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return null;
}
}
}
}
return filters;
}
public static bool Convert2FabfilterProQ(REWEQFilters filters, string filePath)
{
List<ProQBand> proQBands = new List<ProQBand>();
foreach (REWEQBand filter in filters) {
ProQBand band = new ProQBand();
band.FilterFreq = filter.FilterFreq;
band.FilterGain = filter.FilterGain;
band.FilterQ = filter.FilterQ;
band.Enabled = filter.Enabled;
switch (filter.FilterType) {
case REWEQFilterType.PK:
band.FilterType = ProQFilterType.Bell;
break;
case REWEQFilterType.LP:
band.FilterType = ProQFilterType.HighCut;
break;
case REWEQFilterType.HP:
band.FilterType = ProQFilterType.LowCut;
break;
case REWEQFilterType.LS:
band.FilterType = ProQFilterType.LowShelf;
break;
case REWEQFilterType.HS:
band.FilterType = ProQFilterType.HighShelf;
break;
default:
band.FilterType = ProQFilterType.Bell;
break;
}
band.FilterLPHPSlope = ProQLPHPSlope.Slope24dB_oct;
band.FilterStereoPlacement = ProQStereoPlacement.Stereo;
proQBands.Add(band);
}
BinaryFile binFile = new BinaryFile(filePath, BinaryFile.ByteOrder.LittleEndian, true);
binFile.Write("FPQr");
binFile.Write((int) 2);
binFile.Write((int) 180);
binFile.Write((float) proQBands.Count);
for (int i = 0; i < 24; i++) {
if (i < proQBands.Count) {
binFile.Write((float) FreqConvert(proQBands[i].FilterFreq));
binFile.Write((float) proQBands[i].FilterGain);
binFile.Write((float) QConvert(proQBands[i].FilterQ));
binFile.Write((float) proQBands[i].FilterType);
binFile.Write((float) proQBands[i].FilterLPHPSlope);
binFile.Write((float) proQBands[i].FilterStereoPlacement);
binFile.Write((float) (proQBands[i].Enabled ? 1 : 0) );
} else {
binFile.Write((float) FreqConvert(1000));
binFile.Write((float) 0);
binFile.Write((float) QConvert(1));
binFile.Write((float) ProQFilterType.Bell);
binFile.Write((float) ProQLPHPSlope.Slope24dB_oct);
binFile.Write((float) ProQStereoPlacement.Stereo);
binFile.Write((float) 1);
}
}
binFile.Write((float) 0); // float output_gain; // -1 to 1 (- Infinity to +36 dB , 0 = 0 dB)
binFile.Write((float) 0); // float output_pan; // -1 to 1 (0 = middle)
binFile.Write((float) 2); // float display_range; // 0 = 6dB, 1 = 12dB, 2 = 30dB, 3 = 3dB
binFile.Write((float) 0); // float process_mode; // 0 = zero latency, 1 = lin.phase.low - medium - high - maximum
binFile.Write((float) 0); // float channel_mode; // 0 = Left/Right, 1 = Mid/Side
binFile.Write((float) 0); // float bypass; // 0 = No bypass
binFile.Write((float) 0); // float receive_midi; // 0 = Enabled?
binFile.Write((float) 3); // float analyzer; // 0 = Off, 1 = Pre, 2 = Post, 3 = Pre+Post
binFile.Write((float) 1); // float analyzer_resolution; // 0 - 3 : low - medium[x] - high - maximum
binFile.Write((float) 2); // float analyzer_speed; // 0 - 3 : very slow, slow, medium[x], fast
binFile.Write((float) -1); // float solo_band; // -1
binFile.Close();
return true;
}
void MainForm_DragDrop(object sender, DragEventArgs e)
{
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
foreach (string inputFilePath in files)
{
string fileExtension = Path.GetExtension(inputFilePath);
string directoryName = Path.GetDirectoryName(inputFilePath);
string fileName = Path.GetFileNameWithoutExtension(inputFilePath);
if (fileExtension.Equals(".txt"))
{
Boolean success = false;
REWEQFilters filters = REWEQ.ReadREWEQFiltersFile(inputFilePath);
if (filters != null && filters.Count > 0)
{
string outputFilePath = directoryName + Path.DirectorySeparatorChar + fileName;
switch (listBoxPluginSelection.SelectedIndex)
{
// I added some asserts to ensure switch cases corresponds to the right plugin
case 0: // ReaEQ
Debug.Assert(listBoxPluginSelection.SelectedItem.ToString().ToLower().Contains("reaeq"));
outputFilePath += ".fxp";
success = ReaEQ.Convert2ReaEQ(filters, outputFilePath);
break;
case 1: // EasyQ
Debug.Assert(listBoxPluginSelection.SelectedItem.ToString().ToLower().Contains("easyq"));
outputFilePath += ".xml";
// success = EasyQ.Convert2EasyQ(filters, outputFilePath);
break;
case 2: // FabFilter Pro-Q
Debug.Assert(listBoxPluginSelection.SelectedItem.ToString().ToLower().Contains("fabfilter"));
outputFilePath += ".ffp";
success = FabfilterProQ.Convert2FabfilterProQ(filters, outputFilePath);
break;
case -1: // No plugin selected
MessageBox.Show(new Form()
{
WindowState = FormWindowState.Maximized, TopMost = true
},
"Please select a plugin !",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Exclamation,
MessageBoxDefaultButton.Button1);
break;
default:
break;
}
}
if (success)
{
MessageBox.Show(new Form()
{
WindowState = FormWindowState.Maximized, TopMost = true
},
listBoxPluginSelection.SelectedItem.ToString() + " file generated (" + filters.Count + " filters)",
"Success",
MessageBoxButtons.OK,
MessageBoxIcon.Information,
MessageBoxDefaultButton.Button1);
}
else if (listBoxPluginSelection.SelectedIndex != -1)
{
MessageBox.Show(new Form()
{
WindowState = FormWindowState.Maximized, TopMost = true
},
listBoxPluginSelection.SelectedItem.ToString() + " file not generated",
"Error",
MessageBoxButtons.OK,
MessageBoxIcon.Error,
MessageBoxDefaultButton.Button1);
break;
}
}
}
}
/// <summary>
/// Parse a REW filters output file
/// The users regional locale is also taken into consideration
/// </summary>
/// <param name="filePath">path to file</param>
/// <returns>a rew eq filter object</returns>
public static REWEQFilters ReadREWEQFiltersFile(string filePath)
{
REWEQFilters filters = new REWEQFilters();
// Get current culture's NumberFormatInfo object.
NumberFormatInfo nfi = CultureInfo.CurrentCulture.NumberFormat;
//NumberFormatInfo nfi = CultureInfo.InvariantCulture.NumberFormat; // For debugging
// Assign needed property values to variables.
string decimalSeparator = nfi.NumberDecimalSeparator;
// Form regular expression pattern using the current culture's decimal seperator.
Regex digitsAndDecimalSeparatorOnly = new Regex(@"[^\d" + Regex.Escape(decimalSeparator) + "]");
using (StreamReader r = new StreamReader(filePath))
{
string line;
int filterCount = 0;
string regexpPattern = @"^Filter\s+\d+";
bool usingBWOct = false;
while ((line = r.ReadLine()) != null)
{
if (line.StartsWith("Equaliser:"))
{
// find out what filter parse rule to use
if (line.Equals("Equaliser: FBQ2496"))
{
// Filter 1: ON PEQ Fc 64,0 Hz Gain -5,0 dB BW Oct 0,167
regexpPattern = @"^Filter\s+\d+:\s(\w+)\s+(\w+)\s+Fc ([\D\d" +
Regex.Escape(decimalSeparator) + @"]+) Hz Gain ([\s\d" +
Regex.Escape(decimalSeparator) + @"\-]+) dB BW Oct ([\s\d" +
Regex.Escape(decimalSeparator) + @"]+)$";
usingBWOct = true;
}
else if (line.Equals("Equaliser: Generic"))
{
// Filter 1: ON PK Fc 63,8 Hz Gain -5,0 dB Q 8,06
regexpPattern = @"^Filter\s+\d+:\s(\w+)\s+(\w+)\s+Fc ([\D\d" +
Regex.Escape(decimalSeparator) + @"]+) Hz Gain ([\s\d" +
Regex.Escape(decimalSeparator) + @"\-]+) dB Q ([\s\d" +
Regex.Escape(decimalSeparator) + @"]+)$";
usingBWOct = false;
}
else
{
Console.Error.WriteLine("No known equaliser format!", line);
return(null);
}
}
// skip all lines that does not start with "Filter <number>:"
if (Regex.IsMatch(line, @"^Filter\s+\d+:"))
{
// remove any non breaking spaces
line = Regex.Replace(line, "\xA0", String.Empty);
// skip line if filter type is "None"
if (Regex.Match(line, @"^Filter\s+\d+:\s+ON\s+None.*$").Success)
{
continue;
}
Match match = Regex.Match(line, regexpPattern);
if (match.Success)
{
filterCount++;
string enabled = match.Groups[1].Value.Trim();
string type = match.Groups[2].Value.Trim();
string freq = match.Groups[3].Value.Trim();
freq = digitsAndDecimalSeparatorOnly.Replace(freq, "");
string gain = match.Groups[4].Value.Trim();
string q = match.Groups[5].Value.Trim();
REWEQBand band = new REWEQBand();
if (enabled.Equals("ON"))
{
band.Enabled = true;
}
if (type.Equals("PEQ") || type.Equals("PK"))
{
band.FilterType = REWEQFilterType.PK;
}
try {
band.FilterFreq = Double.Parse(freq, nfi);
band.FilterGain = Double.Parse(gain, nfi);
if (usingBWOct)
{
band.FilterBWOct = Double.Parse(q, nfi);
band.FilterQ = BWOct2Q(band.FilterBWOct);
}
else
{
band.FilterQ = Double.Parse(q, nfi);
band.FilterBWOct = Q2BWOct(band.FilterQ);
}
} catch (Exception e) {
Console.Error.WriteLine("Parse error", e.Message);
return(null);
}
filters.EqBands.Add(band);
}
else
{
// By some reason we failed parsing the Filter line which should have worked!
// probably a locale problem
Console.Error.WriteLine("Could not parse line: {0}", line);
MessageBox.Show(new Form()
{
WindowState = FormWindowState.Maximized, TopMost = true
},
"Failed parsing filter line using Culture: " + CultureInfo.CurrentCulture.DisplayName + ". Does the REW filter file use this Culture? (e.g. '"
+ nfi.NumberDecimalSeparator + "' as the Decimal Separator?)" +
"\n\nUnparsable line:\n" +
line,
"Critical Warning!",
MessageBoxButtons.OK,
MessageBoxIcon.Warning);
return(null);
}
}
}
}
return(filters);
}
public static bool Convert2FabfilterProQ(REWEQFilters filters, string filePath)
{
List <ProQBand> proQBands = new List <ProQBand>();
foreach (REWEQBand filter in filters)
{
ProQBand band = new ProQBand();
band.FilterFreq = filter.FilterFreq;
band.FilterGain = filter.FilterGain;
band.FilterQ = filter.FilterQ;
band.Enabled = filter.Enabled;
switch (filter.FilterType)
{
case REWEQFilterType.PK:
band.FilterType = ProQFilterType.Bell;
break;
case REWEQFilterType.LP:
band.FilterType = ProQFilterType.HighCut;
break;
case REWEQFilterType.HP:
band.FilterType = ProQFilterType.LowCut;
break;
case REWEQFilterType.LS:
band.FilterType = ProQFilterType.LowShelf;
break;
case REWEQFilterType.HS:
band.FilterType = ProQFilterType.HighShelf;
break;
default:
band.FilterType = ProQFilterType.Bell;
break;
}
band.FilterLPHPSlope = ProQLPHPSlope.Slope24dB_oct;
band.FilterStereoPlacement = ProQStereoPlacement.Stereo;
proQBands.Add(band);
}
BinaryFile binFile = new BinaryFile(filePath, BinaryFile.ByteOrder.LittleEndian, true);
binFile.Write("FPQr");
binFile.Write((int)2);
binFile.Write((int)180);
binFile.Write((float)proQBands.Count);
for (int i = 0; i < 24; i++)
{
if (i < proQBands.Count)
{
binFile.Write((float)FreqConvert(proQBands[i].FilterFreq));
binFile.Write((float)proQBands[i].FilterGain);
binFile.Write((float)QConvert(proQBands[i].FilterQ));
binFile.Write((float)proQBands[i].FilterType);
binFile.Write((float)proQBands[i].FilterLPHPSlope);
binFile.Write((float)proQBands[i].FilterStereoPlacement);
binFile.Write((float)(proQBands[i].Enabled ? 1 : 0));
}
else
{
binFile.Write((float)FreqConvert(1000));
binFile.Write((float)0);
binFile.Write((float)QConvert(1));
binFile.Write((float)ProQFilterType.Bell);
binFile.Write((float)ProQLPHPSlope.Slope24dB_oct);
binFile.Write((float)ProQStereoPlacement.Stereo);
binFile.Write((float)1);
}
}
binFile.Write((float)0); // float output_gain; // -1 to 1 (- Infinity to +36 dB , 0 = 0 dB)
binFile.Write((float)0); // float output_pan; // -1 to 1 (0 = middle)
binFile.Write((float)2); // float display_range; // 0 = 6dB, 1 = 12dB, 2 = 30dB, 3 = 3dB
binFile.Write((float)0); // float process_mode; // 0 = zero latency, 1 = lin.phase.low - medium - high - maximum
binFile.Write((float)0); // float channel_mode; // 0 = Left/Right, 1 = Mid/Side
binFile.Write((float)0); // float bypass; // 0 = No bypass
binFile.Write((float)0); // float receive_midi; // 0 = Enabled?
binFile.Write((float)3); // float analyzer; // 0 = Off, 1 = Pre, 2 = Post, 3 = Pre+Post
binFile.Write((float)1); // float analyzer_resolution; // 0 - 3 : low - medium[x] - high - maximum
binFile.Write((float)2); // float analyzer_speed; // 0 - 3 : very slow, slow, medium[x], fast
binFile.Write((float)-1); // float solo_band; // -1
binFile.Close();
return(true);
}
