void backWorker_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e)
{
System.ComponentModel.BackgroundWorker b = sender as System.ComponentModel.BackgroundWorker;
int samples = 32;
short[] buffer = new short[samples];
bw = new BinaryWriter(File.Open(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/Code.huf", FileMode.Create));
stream = Bass.BASS_StreamCreateFile(path, 0L, 0L, BASSFlag.BASS_STREAM_DECODE);
ww = new WaveWriter(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "/HufSound.wav", stream, true);
int mult = 0;
long len = Bass.BASS_ChannelGetLength(stream, BASSMode.BASS_POS_BYTES);
while (Bass.BASS_ChannelIsActive(stream) == BASSActive.BASS_ACTIVE_PLAYING)
{
int length = Bass.BASS_ChannelGetData(stream, buffer, samples * 2);
mult++;
b.ReportProgress((int)(((samples * mult) * 100) / len * 2));
List <short> listBuffer = new List <short>();
HuffmanTree tree = new HuffmanTree();
if (length > 0)
{
listBuffer.AddRange(buffer);
short[] auxbuf = new short[buffer.Length];
auxbuf = buffer;
canvasWavComp.Dispatcher.Invoke(System.Windows.Threading.DispatcherPriority.SystemIdle, new Action(delegate
{
//Whole Wave
//double xScale = canvasWavComp.Width / samples;
//Formula by Manuel García. Dude you're amazing.
//NOTE: multiply by 2 'cos I supoused some relation with Nyquist Theorem
double xScale = (canvasWavComp.Width * samples) / len * 2;
double yScale = (canvasWavComp.Height / (double)(amplitude * 2)) * ((double)amplitude / MAX_AMP);
Polyline graphLine = new Polyline();
//This Line is used to move on the x axis
Canvas.SetLeft(graphLine, xAxis);
graphLine.Stroke = new SolidColorBrush(Color.FromRgb(244, 67, 54));
graphLine.StrokeThickness = 2;
for (int i = 0; i < buffer.Length; i++)
{
graphLine.Points.Add(new Point(xScale * i, (canvasWavComp.Height / 2) - (buffer[i] * yScale)));
}
xAxis += xScale;
//canvasWavComp.Children.Clear();
canvasWavComp.Children.Add(graphLine);
}));
double entaux = 0;
foreach (var sym in listBuffer.GroupBy(i => i))
{
NodeHuf nodeHuf = new NodeHuf();
nodeHuf.Symbol = sym.Key;
nodeHuf.Frequency = sym.Count();
nodeHuf.Right = nodeHuf.Left = null;
tree.Add(nodeHuf);
double prob = (double)nodeHuf.Frequency / samples;
//entropy -= prob * (Math.Log(prob) / Math.Log(2));
entaux += prob * Math.Log(1 / (prob), 2);
entauxlbl = entaux;
}
entropy += entaux;
entcount++;
tree.Build();
//Encode
System.Collections.BitArray encoded = tree.Encode(auxbuf);
byte[] arrayBytes = new byte[encoded.Length / 8 + (encoded.Length % 8 == 0 ? 0 : 1)];
encoded.CopyTo(arrayBytes, 0);
File.WriteAllBytes("Compress.bin", arrayBytes);
//Decode
byte[] data;
Stream fs = File.OpenRead("Compress.bin");
data = new byte[fs.Length];
fs.Read(data, 0, data.Length);
System.Collections.BitArray bitDec = new System.Collections.BitArray(data);
short[] decoded = tree.Decode(bitDec);
if (decoded.Length > 0)
{
ww.Write(decoded, length);
}
bw.Write(data);
fs.Close();
}
}
//Delete temporaly file
File.Delete("Compress.bin");
//Close de Stream WAV ww
ww.Close();
//If you not add this line, the backgroundworker will be restat but when file is create again
//there will be an incongruence because the bw never was closed.
bw.Close();
entropy /= entcount;// (len / samples);
entcount = 0;
}
private bool DoSplitMogg(string folder, string StemsToSplit, MoggSplitFormat format, string quality)
{
var ext = "ogg";
if (format == MoggSplitFormat.WAV)
{
ext = "wav";
}
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
var drums = folder + "drums." + ext;
var drums1 = folder + "drums_1." + ext;
var drums2 = folder + "drums_2." + ext;
var drums3 = folder + "drums_3." + ext;
var bass = folder + "bass." + ext;
var rhythm = folder + "rhythm." + ext;
var guitar = folder + "guitar." + ext;
var keys = folder + "keys." + ext;
var vocals = folder + "vocals." + ext;
var backing = folder + "backing." + ext;
var song = folder + "song." + ext;
var crowd = folder + "crowd." + ext;
var tracks = new List <string> {
drums, drums1, drums2, drums3, bass, guitar, keys, vocals, backing, crowd
};
foreach (var track in tracks)
{
Tools.DeleteFile(track);
}
try
{
if (!InitBass())
{
return(false);
}
SourceStream = Bass.BASS_StreamCreateFile(Tools.GetOggStreamIntPtr(), 0, Tools.PlayingSongOggData.Length, BASSFlag.BASS_STREAM_DECODE);
var info = Bass.BASS_ChannelGetInfo(SourceStream);
var ArrangedChannels = ArrangeStreamChannels(info.chans, true);
var isSlave = false;
if (Parser.Songs[0].ChannelsDrums > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("drums")))
{
switch (Parser.Songs[0].ChannelsDrums)
{
case 2:
PrepareChannelsToSplit(0, ArrangedChannels, 2, GetStemVolume(0), drums, format, quality, false);
break;
case 3:
PrepareChannelsToSplit(0, ArrangedChannels, 1, GetStemVolume(0), drums1, format, quality, false);
PrepareChannelsToSplit(1, ArrangedChannels, 2, GetStemVolume(1), drums2, format, quality);
break;
case 4:
PrepareChannelsToSplit(0, ArrangedChannels, 1, GetStemVolume(0), drums1, format, quality, false);
PrepareChannelsToSplit(1, ArrangedChannels, 1, GetStemVolume(1), drums2, format, quality);
PrepareChannelsToSplit(2, ArrangedChannels, 2, GetStemVolume(2), drums3, format, quality);
break;
case 5:
PrepareChannelsToSplit(0, ArrangedChannels, 1, GetStemVolume(0), drums1, format, quality, false);
PrepareChannelsToSplit(1, ArrangedChannels, 2, GetStemVolume(1), drums2, format, quality);
PrepareChannelsToSplit(3, ArrangedChannels, 2, GetStemVolume(3), drums3, format, quality);
break;
case 6:
PrepareChannelsToSplit(0, ArrangedChannels, 2, GetStemVolume(0), drums1, format, quality, false);
PrepareChannelsToSplit(2, ArrangedChannels, 2, GetStemVolume(2), drums2, format, quality);
PrepareChannelsToSplit(4, ArrangedChannels, 2, GetStemVolume(4), drums3, format, quality);
break;
}
isSlave = true;
}
var channel = Parser.Songs[0].ChannelsDrums;
if (Parser.Songs[0].ChannelsBass > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("bass") || StemsToSplit.Contains("rhythm")))
{
PrepareChannelsToSplit(channel, ArrangedChannels, Parser.Songs[0].ChannelsBass, GetStemVolume(channel), StemsToSplit.Contains("rhythm") ? rhythm : bass, format, quality, isSlave);
isSlave = true;
}
channel += Parser.Songs[0].ChannelsBass;
if (Parser.Songs[0].ChannelsGuitar > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("guitar")))
{
PrepareChannelsToSplit(channel, ArrangedChannels, Parser.Songs[0].ChannelsGuitar, GetStemVolume(channel), guitar, format, quality, isSlave);
isSlave = true;
}
channel += Parser.Songs[0].ChannelsGuitar;
if (Parser.Songs[0].ChannelsVocals > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("vocals")))
{
PrepareChannelsToSplit(channel, ArrangedChannels, Parser.Songs[0].ChannelsVocals, GetStemVolume(channel), vocals, format, quality, isSlave);
isSlave = true;
}
channel += Parser.Songs[0].ChannelsVocals;
if (Parser.Songs[0].ChannelsKeys > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("keys")))
{
PrepareChannelsToSplit(channel, ArrangedChannels, Parser.Songs[0].ChannelsKeys, GetStemVolume(channel), keys, format, quality, isSlave);
isSlave = true;
}
channel += Parser.Songs[0].ChannelsKeys;
if (Parser.Songs[0].ChannelsBacking() > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("backing") || StemsToSplit.Contains("song")))
{
PrepareChannelsToSplit(channel, ArrangedChannels, Parser.Songs[0].ChannelsBacking(), GetStemVolume(channel), StemsToSplit.Contains("song") ? song : backing, format, quality, isSlave);
isSlave = true;
}
channel += Parser.Songs[0].ChannelsBacking();
if (Parser.Songs[0].ChannelsCrowd > 0 && (StemsToSplit.Contains("allstems") || StemsToSplit.Contains("crowd")))
{
PrepareChannelsToSplit(channel, ArrangedChannels, Parser.Songs[0].ChannelsCrowd, GetStemVolume(channel), crowd, format, quality, isSlave);
}
while (true)
{
var buffer = new byte[20000];
var c = Bass.BASS_ChannelGetData(Splits[0], buffer, buffer.Length);
if (c < 0)
{
break;
}
for (var i = 1; i < Splits.Count; i++)
{
while (Bass.BASS_ChannelGetData(Splits[i], buffer, buffer.Length) > 0)
{
}
}
}
foreach (var split in Splits)
{
Bass.BASS_StreamFree(split);
}
UnloadLibraries();
Tools.ReleaseStreamHandle();
}
catch (Exception ex)
{
ErrorLog.Add("Error splitting mogg file:");
ErrorLog.Add(ex.Message);
foreach (var split in Splits)
{
Bass.BASS_StreamFree(split);
}
UnloadLibraries();
Tools.ReleaseStreamHandle();
return(false);
}
return(true);
}
/// <summary>
/// Read mono from file
/// </summary>
/// <param name = "filename">Name of the file</param>
/// <param name = "samplerate">Sample rate</param>
/// <param name = "milliseconds">milliseconds to read</param>
/// <param name = "startmillisecond">Start millisecond</param>
/// <returns>Array of samples</returns>
public float[] ReadMonoFromFile(string filename, int samplerate, int milliseconds, int startmillisecond)
{
//поробовать переделать эту фуункцию под float[]
int totalmilliseconds = milliseconds <= 0 ? Int32.MaxValue : milliseconds + startmillisecond;
float[] data = null;
//create streams for re-sampling
int stream = Bass.BASS_StreamCreateFile(filename, 0, 0, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_MONO | BASSFlag.BASS_SAMPLE_FLOAT); //Decode the stream
if (stream == 0)
{
throw new Exception(Bass.BASS_ErrorGetCode().ToString());
}
int mixerStream = BassMix.BASS_Mixer_StreamCreate(samplerate, 1, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_MONO | BASSFlag.BASS_SAMPLE_FLOAT);
if (mixerStream == 0)
{
throw new Exception(Bass.BASS_ErrorGetCode().ToString());
}
if (BassMix.BASS_Mixer_StreamAddChannel(mixerStream, stream, BASSFlag.BASS_MIXER_FILTER))
{
const int bufferSize = 5512 * 10 * 4; /*read ten seconds at each iteration*/
float[] buffer = new float[bufferSize];
List <float[]> chunks = new List <float[]>();
int size = 0;
while ((float)(size) / samplerate * 1000 < totalmilliseconds)
{
//get re-sampled/mono data
int bytesRead = Bass.BASS_ChannelGetData(mixerStream, buffer, bufferSize);
if (bytesRead == 0)
{
break;
}
float[] chunk = new float[bytesRead / 4]; //each float contains 4 bytes
Array.Copy(buffer, chunk, bytesRead / 4);
chunks.Add(chunk);
size += bytesRead / 4; //size of the data
}
if ((float)(size) / samplerate * 1000 < (milliseconds + startmillisecond))
{
return(null); /*not enough samples to return the requested data*/
}
int start = (int)((float)startmillisecond * samplerate / 1000);
int end = (milliseconds <= 0) ? size : (int)((float)(startmillisecond + milliseconds) * samplerate / 1000);
data = new float[size];
int index = 0;
/*Concatenate*/
foreach (float[] chunk in chunks)
{
Array.Copy(chunk, 0, data, index, chunk.Length);
index += chunk.Length;
}
/*Select specific part of the song*/
if (start != 0 || end != size)
{
float[] temp = new float[end - start];
Array.Copy(data, start, temp, 0, end - start);
data = temp;
}
}
else
{
throw new Exception(Bass.BASS_ErrorGetCode().ToString());
}
return(data);
}
public static void ExportWAV(string srcPath, string destPath, ExportOptions exportOptions)
{
Debug.Log("Exporting " + srcPath + " to " + destPath);
int stream = Bass.BASS_StreamCreateFile(srcPath, 0, 0, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT);
if (stream == 0 || Bass.BASS_ErrorGetCode() != BASSError.BASS_OK)
{
throw new Exception(Bass.BASS_ErrorGetCode().ToString());
}
WaveWriter ww = new WaveWriter(destPath, stream, true);
float[] data = new float[32768];
while (Bass.BASS_ChannelIsActive(stream) == BASSActive.BASS_ACTIVE_PLAYING)
{
// get the sample data as float values as well
int length = Bass.BASS_ChannelGetData(stream, data, 32768);
// and write the data to the wave file
if (length > 0)
{
ww.Write(data, length);
}
}
ww.Close();
Bass.BASS_StreamFree(stream);
/*
* const int WAV_HEADER_LENGTH = 44;
*
*
*
* FileStream ifs = null;
* BinaryReader br = null;
*
* FileStream ofs = null;
* BinaryWriter bw = null;
*
* try
* {
* ifs = new FileStream(srcPath, FileMode.Open, FileAccess.Read);
* br = new BinaryReader(ifs);
*
* ofs = new FileStream(destPath, FileMode.OpenOrCreate, FileAccess.Write);
* bw = new BinaryWriter(ofs);
*
* ifs.Seek(0, SeekOrigin.Begin);
*
* byte[] header = br.ReadBytes(WAV_HEADER_LENGTH);
*
* ifs.Seek(4, SeekOrigin.Begin);
* int chunkLength = br.ReadInt32(); // bytes 4 to 7
*
* ifs.Seek(16, SeekOrigin.Current);
* int frequency = br.ReadInt32();
* int byterate = br.ReadInt32();
*
* ifs.Seek(WAV_HEADER_LENGTH, SeekOrigin.Begin);
* byte[] chunk = br.ReadBytes(chunkLength);
*
*
* }
* catch
* {
* Debug.LogError("Error with writing wav file");
* }
* finally
* {
* try { br.Close(); }
* catch { }
*
* try { ifs.Close(); }
* catch { }
*
* try { bw.Close(); }
* catch { }
*
* try { ofs.Close(); }
* catch { }
* }
*/
}
public int ChannelGetData(int stream, float[] buffer, int lengthInBytes)
{
return(Bass.BASS_ChannelGetData(stream, buffer, lengthInBytes));
}
public void GetSpectrum(int _stream, out float[] _buffer)
{
_buffer = new float[256];
Bass.BASS_ChannelGetData(_stream, _buffer, (int)(BASSData.BASS_DATA_FFT512 | BASSData.BASS_DATA_FFT_COMPLEX));
}
public bool GetWaveData32(int length, out float[] waveData32)
{
waveData32 = new float[length];
return(_vizStream != null && Bass.BASS_ChannelGetData(_vizStream.Handle, waveData32, length) == (int)BASSError.BASS_OK);
}
public bool GetFFTData(float[] fftDataBuffer)
{
return(Bass.BASS_ChannelGetData(ActiveStreamHandle, fftDataBuffer, maxFFT) > 0);
}
private void FrameConverter_DoWork(object sender, DoWorkEventArgs e)
{
try
{
// Initialize BASS and variables
Bass.BASS_Init(0, 44100, BASSInit.BASS_DEVICE_NOSPEAKER, IntPtr.Zero);
Bass.BASS_SetConfig(BASSConfig.BASS_CONFIG_MIDI_VOICES, 0);
Data.StreamHandle = BassMidi.BASS_MIDI_StreamCreateFile(Data.MIDIToLoad, 0L, 0L, BASSFlag.BASS_MIDI_NOCROP | BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_MIDI_DECAYEND, 0);
Data.PlayedNotesAvg = new List <Double>();
// Check if the MIDI file is valid
BASSError Error = Bass.BASS_ErrorGetCode();
if (Error == BASSError.BASS_ERROR_ILLPARAM ||
Error == BASSError.BASS_ERROR_FILEOPEN ||
Error == BASSError.BASS_ERROR_FILEFORM)
{
MessageBox.Show("Invalid MIDI file.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
Settings.Interrupt = true;
return;
}
Data.OsuemSize = Properties.Settings.Default.CounterFont.Size;
Int64 StreamLength = Bass.BASS_ChannelGetLength(Data.StreamHandle);
Int32 ChunkLength = Convert.ToInt32(Bass.BASS_ChannelSeconds2Bytes(Data.StreamHandle, FFMPEGProcess.Hertz));
Byte[] Buffer;
// Initialize played notes sync
Data.NoteSync = new SYNCPROC(NoteSyncProc);
Bass.BASS_ChannelSetSync(Data.StreamHandle, BASSSync.BASS_SYNC_MIDI_EVENT, (long)BASSMIDIEvent.MIDI_EVENT_NOTE, Data.NoteSync, IntPtr.Zero);
// Initialize time signature sync
BassMidi.BASS_MIDI_StreamGetMark(Data.StreamHandle, BASSMIDIMarker.BASS_MIDI_MARK_TIMESIG, 0, Data.Mark);
Data.TimeSigSync = new SYNCPROC(TimeSigSyncProc);
Bass.BASS_ChannelSetSync(Data.StreamHandle, BASSSync.BASS_SYNC_MIDI_TIMESIG, (long)BASSMIDIMarker.BASS_MIDI_MARK_TIMESIG, Data.TimeSigSync, IntPtr.Zero);
// Initialize note count
Data.TotalNotes = Convert.ToUInt32(BassMidi.BASS_MIDI_StreamGetEvents(Data.StreamHandle, -1, (BASSMIDIEvent)0x20000, null));
Data.HowManyZeroesNotes = "00000";
// Initialize conversion
if (!StartConversion(Data.MIDIToLoad))
{
return;
}
FPSUpdate();
if (Properties.Settings.Default.StillFramesBeginning)
{
for (int a = 0; a <= (Properties.Settings.Default.FPSExport * 5); a++)
{
// 5 seconds of nothing
if (Settings.Interrupt == true)
{
break;
}
CheckPosition();
Data.NotesPerSecond = "0";
PushFrame(false);
FFMPEGProcess.Frames++;
FPSUpdate();
}
}
while (Bass.BASS_ChannelIsActive(Data.StreamHandle) == BASSActive.BASS_ACTIVE_PLAYING)
{
if (Data.OsuemSize > Properties.Settings.Default.CounterFont.Size)
{
Data.OsuemSize -= (Properties.Settings.Default.CounterFont.Size / 24);
if (Data.OsuemSize < Properties.Settings.Default.CounterFont.Size)
{
Data.OsuemSize = Properties.Settings.Default.CounterFont.Size;
}
}
else
{
Data.OsuemSize = Properties.Settings.Default.CounterFont.Size;
}
if (Settings.Interrupt == true)
{
break;
}
Buffer = new Byte[ChunkLength];
Bass.BASS_ChannelGetData(Data.StreamHandle, Buffer, ChunkLength);
CheckPosition();
if (FFMPEGProcess.Frames % (ulong)Properties.Settings.Default.FPSExport == 0)
{
Data.NotesPerSecond = Data.PlayedNotesFrame.ToString();
Data.PlayedNotesAvg.Add(Data.PlayedNotesFrame);
Data.AverageNotesPerSecond = Data.PlayedNotesAvg.Average().ToString("0.0");
Data.PlayedNotesFrame = 0;
}
PushFrame(false);
FFMPEGProcess.Frames++;
FPSUpdate();
}
Buffer = new Byte[ChunkLength];
Bass.BASS_ChannelGetData(Data.StreamHandle, Buffer, ChunkLength);
if (Properties.Settings.Default.StillFramesEnd)
{
for (int a = 0; a <= (Properties.Settings.Default.FPSExport * 5); a++)
{
if (Data.OsuemSize > Properties.Settings.Default.CounterFont.Size)
{
Data.OsuemSize -= (Properties.Settings.Default.CounterFont.Size / 24);
if (Data.OsuemSize < Properties.Settings.Default.CounterFont.Size)
{
Data.OsuemSize = Properties.Settings.Default.CounterFont.Size;
}
}
else
{
Data.OsuemSize = Properties.Settings.Default.CounterFont.Size;
}
// 5 seconds of nothing
if (Settings.Interrupt == true)
{
break;
}
CheckPosition();
Data.NotesPerSecond = "0";
PushFrame(false);
FFMPEGProcess.Frames++;
FPSUpdate();
}
}
for (int i = 0; i < Data.PlayedNotesChan.Length; i++)
{
Data.PlayedNotesChan[i] = 0;
}
Data.Mark = new BASS_MIDI_MARK();
FFMPEGProcess.Frames = 0;
FFMPEGProcess.FFMPEG.StandardInput.Close();
Bass.BASS_StreamFree(Data.StreamHandle);
Bass.BASS_Free();
Settings.Interrupt = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
public bool ProcessAudio(int channel, bool bpmBeatsOnly)
{
if (channel == 0)
{
return(false);
}
this.beat = false;
this.bpmBeat = false;
this.subbandBeatHits = 0.0;
if (this._startCounter <= this._historyCount)
{
this._startCounter++;
}
try
{
if (Bass.BASS_ChannelGetData(channel, this._fft, -2147483647) > 0)
{
for (int i = 1; i < 128; i++)
{
this.Es = this._fft[i];
if (this._startCounter > this._historyCount)
{
this.avgE = this.AverageLocalEnergy(i);
this.varianceE = this.VarianceLocalEnergy(i, this.avgE);
this.envIn = (double)this.Es / (double)this.avgE;
if (this.avgE > 0f)
{
if (this.envIn > this._peakEnv[i])
{
this._peakEnv[i] = this.envIn;
}
else
{
this._peakEnv[i] *= this._beatRelease;
this._peakEnv[i] += (1.0 - this._beatRelease) * this.envIn;
}
if (!this._beatTrigger[i])
{
if (i <= this._LFfftBin1)
{
if (this._peakEnv[i] > 1.7 * (double)((this.avgE + this.varianceE) / this.avgE))
{
this._beatTrigger[i] = true;
}
}
else if (i >= this._MFfftBin0 && i <= this._MFfftBin1)
{
if (this._peakEnv[i] > 2.4 * (double)((this.avgE + this.varianceE) / this.avgE))
{
this._beatTrigger[i] = true;
}
}
else if (this._peakEnv[i] > 2.8 * (double)((this.avgE + this.varianceE) / this.avgE))
{
this._beatTrigger[i] = true;
}
}
else if (i <= this._LFfftBin1)
{
if (this._peakEnv[i] < 1.4 * (double)((this.avgE + this.varianceE) / this.avgE))
{
this._beatTrigger[i] = false;
}
}
else if (i >= this._MFfftBin0 && i <= this._MFfftBin1)
{
if (this._peakEnv[i] < 1.1 * (double)((this.avgE + this.varianceE) / this.avgE))
{
this._beatTrigger[i] = false;
}
}
else if (this._peakEnv[i] < 1.4 * (double)((this.avgE + this.varianceE) / this.avgE))
{
this._beatTrigger[i] = false;
}
if (this._beatTrigger[i] && !this._prevBeatPulse[i])
{
if (i <= this._LFfftBin1)
{
this.subbandBeatHits += 100.0 * (double)(this.avgE / this.varianceE);
}
else if (i >= this._MFfftBin0 && i <= this._MFfftBin1)
{
this.subbandBeatHits += 10.0 * (double)(this.avgE / this.varianceE);
}
else
{
this.subbandBeatHits += 2.0 * (double)(this.avgE / this.varianceE);
}
}
this._prevBeatPulse[i] = this._beatTrigger[i];
}
}
else
{
this._nextBeatStart = DateTime.Now;
this._nextBeatEnd = this._nextBeatStart.AddMilliseconds(330.0);
}
this.ShiftHistoryEnergy(i);
this._historyEnergy[i][0] = this.Es;
}
if (this.subbandBeatHits > this._peakSubbandBeatHits)
{
this._peakSubbandBeatHits = this.subbandBeatHits;
}
else
{
this._peakSubbandBeatHits = (this._peakSubbandBeatHits + this.subbandBeatHits) / 2.0;
}
if (!this._beatTriggerC)
{
if (this._peakSubbandBeatHits > 200.0)
{
this._beatTriggerC = true;
this.beatTime = DateTime.Now;
}
}
else if (this._peakSubbandBeatHits < 100.0)
{
this._beatTriggerC = false;
}
if (this._beatTriggerC && !this._prevBeatPulseC)
{
this.beat = true;
}
this._prevBeatPulseC = this._beatTriggerC;
if (this.beat)
{
if (this._beatTriggerD)
{
this.deltaMS = Math.Round((this.beatTime - this._lastBeatTime).TotalMilliseconds);
if (this.deltaMS < 333.0 && this._peakSubbandBeatHits < this._prevPeakSubbandBeatHits)
{
this.beat = false;
this.beatTime = this._lastBeatTime;
}
else
{
this._prevPeakSubbandBeatHits = this._peakSubbandBeatHits;
if (this.beatTime >= this._nextBeatStart && this.beatTime <= this._nextBeatEnd)
{
this.BPM = this.MillisecondsToBPM(this.deltaMS);
this.bpmBeat = true;
this._nextBeatStart = this.beatTime.AddMilliseconds((1.0 - this._beatRelease) * this.deltaMS);
this._nextBeatEnd = this.beatTime.AddMilliseconds((1.0 + this._beatRelease) * this.deltaMS);
}
else if (this.beatTime < this._nextBeatStart)
{
this._beatTriggerD = false;
}
}
if (this.beatTime > this._nextBeatEnd)
{
this._nextBeatStart = this.beatTime.AddMilliseconds((1.0 - this._beatRelease) * this.deltaMS);
this._nextBeatEnd = this.beatTime.AddMilliseconds((1.0 + this._beatRelease) * this.deltaMS);
}
}
this._lastBeatTime = this.beatTime;
this._beatTriggerD = true;
}
}
}
catch
{
}
if (bpmBeatsOnly)
{
return(this.bpmBeat);
}
return(this.beat);
}
private static string[] SplitAudio(string fileName, double[] segments, string prefix, string outputDirectory)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
if (segments == null)
{
throw new ArgumentNullException("segments");
}
if (prefix == null)
{
throw new ArgumentNullException("prefix");
}
if (outputDirectory == null)
{
throw new ArgumentNullException("outputDirectory");
}
int i = Bass.BASS_StreamCreateFile(fileName, 0, 0,
BASSFlag.BASS_STREAM_PRESCAN | BASSFlag.BASS_STREAM_DECODE);
if (i == 0)
{
throw new InvalidOperationException("Couldn't create stream");
}
double sum = segments.Sum();
long length = Bass.BASS_ChannelGetLength(i);
double seconds = Bass.BASS_ChannelBytes2Seconds(i, length);
if (sum > seconds)
{
throw new ArgumentOutOfRangeException("segments", "Required segments exceed file duration");
}
BASS_CHANNELINFO info = Bass.BASS_ChannelGetInfo(i);
if (!Directory.Exists(outputDirectory))
{
Directory.CreateDirectory(outputDirectory);
}
int index = 0;
var list = new List <string>();
foreach (double segment in segments)
{
double d = segment;
long seconds2Bytes = Bass.BASS_ChannelSeconds2Bytes(i, d);
var buffer = new byte[seconds2Bytes];
int getData = Bass.BASS_ChannelGetData(i, buffer, buffer.Length);
string name = string.Format("{0}_{1}.wav", prefix, index);
string combine = Path.Combine(outputDirectory, name);
int bitsPerSample = info.Is8bit ? 8 : info.Is32bit ? 32 : 16;
var waveWriter = new WaveWriter(combine, info.chans, info.freq, bitsPerSample, true);
waveWriter.WriteNoConvert(buffer, buffer.Length);
waveWriter.Close();
list.Add(combine);
index++;
}
bool free = Bass.BASS_StreamFree(i);
return(list.ToArray());
}
public void Evaluate(int SpreadMax)
{
if (this.FPinInHandle.PinIsChanged || this.FChannel == null)
{
//Just Update the Handle
double dhandle;
this.FPinInHandle.GetValue(0, out dhandle);
int ihandle = Convert.ToInt32(Math.Round(dhandle));
if (this.FManager.Exists(ihandle))
{
this.FChannel = this.FManager.GetChannel(ihandle);
if (this.FChannel.BassHandle.HasValue)
{
if (this.FChannel.IsDecoding)
{
int mixhandle = BassMix.BASS_Mixer_ChannelGetMixer(this.FChannel.BassHandle.Value);
if (mixhandle == 0)
{
// create a buffer of the source stream
//We can't get it from the main stream otherwise it would interfere with the asio buffering
bufferStream = new DSP_BufferStream();
bufferStream.ChannelHandle = this.FChannel.BassHandle.Value; // the stream to copy
bufferStream.DSPPriority = -4000;
bufferStream.Start();
this.FMyBassHandle = bufferStream.BufferStream;
this.FMixer = false;
}
else
{
//We have a mixer, much better :)
this.FMyBassHandle = this.FChannel.BassHandle.Value;
this.FMixer = true;
}
}
else
{
//If it's not decoding, no problem :)
this.FMyBassHandle = this.FChannel.BassHandle.Value;
this.FMixer = false;
}
}
else
{
this.FMyBassHandle = 0;
this.FChannel = null;
}
}
else
{
this.FMyBassHandle = 0;
this.FChannel = null;
}
}
int len = this.DataLength;
this.FPinOutSize.SetValue(0, len);
if (len != -1)
{
BASS_CHANNELINFO info = Bass.BASS_ChannelGetInfo(this.FChannel.BassHandle.Value);
//We get float, so length is divided by 4
float[] samples = new float[len];
int val;
if (this.FMixer)
{
val = BassMix.BASS_Mixer_ChannelGetData(this.FMyBassHandle, samples, this.DataType);
}
else
{
val = Bass.BASS_ChannelGetData(this.FMyBassHandle, samples, this.DataType);
}
this.SetData(samples);
this.FPinOutMsg.SetString(0, "OK");
}
else
{
this.FPinOutMsg.SetString(0, this.ErrorMsg);
}
}
public int ChannelGetData(int pChannel, float[] pFft, int pFftLength)
{
return(Bass.BASS_ChannelGetData(pChannel, pFft, pFftLength));
}
//複数のサウンドを合体(Posにマイナスが含まれている場合バグります
//引数:合体させるファイル, サウンドの開始位置, 音量, 再生速度, 保存先, MP3として保存するか(falseの場合は.wav形式), 元のファイルを削除するか
public static void Sound_Combine(List <string> Files, List <double> Pos, List <double> Volume, List <double> Speed, string To_File, bool IsEncodeMP3, bool IsFromFileDelete = false)
{
int mixer = BassMix.BASS_Mixer_StreamCreate(48000, 2, BASSFlag.BASS_STREAM_DECODE);
long Mixer_Max_Length = 0;
List <int> Streams = new List <int>();
List <int> Stream_Handles = new List <int>();
//ファイルをミックスする
for (int Number = 0; Number < Files.Count; Number++)
{
Streams.Add(Bass.BASS_StreamCreateFile(Files[Number], 0, 0, BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE));
Stream_Handles.Add(BassFx.BASS_FX_TempoCreate(Streams[Streams.Count - 1], BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_FX_FREESOURCE));
float Freq = 48000;
Bass.BASS_ChannelGetAttribute(Stream_Handles[Stream_Handles.Count - 1], BASSAttribute.BASS_ATTRIB_TEMPO_FREQ, ref Freq);
Bass.BASS_ChannelSetAttribute(Stream_Handles[Stream_Handles.Count - 1], BASSAttribute.BASS_ATTRIB_TEMPO_FREQ, Freq * (float)Speed[Number]);
Bass.BASS_ChannelSetAttribute(Stream_Handles[Stream_Handles.Count - 1], BASSAttribute.BASS_ATTRIB_VOL, (float)(Volume[Number] / 100));
long start = Bass.BASS_ChannelSeconds2Bytes(mixer, Pos[Number]);
BassMix.BASS_Mixer_StreamAddChannelEx(mixer, Stream_Handles[Stream_Handles.Count - 1], BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE, start, 0);
long Now_Stream_Length = Bass.BASS_ChannelGetLength(Streams[Streams.Count - 1], BASSMode.BASS_POS_BYTES);
if (Mixer_Max_Length < Now_Stream_Length + start)
{
Mixer_Max_Length = Now_Stream_Length + start;
}
}
//.wavでエンコード(こっちの方が速い + 安定性が高い)
EncoderWAV l = new EncoderWAV(mixer);
l.InputFile = null;
l.OutputFile = To_File + ".tmp";
l.WAV_BitsPerSample = 24;
l.Start(null, IntPtr.Zero, false);
byte[] encBuffer = new byte[65536];
while (Bass.BASS_ChannelIsActive(mixer) == BASSActive.BASS_ACTIVE_PLAYING)
{
int len = Bass.BASS_ChannelGetData(mixer, encBuffer, encBuffer.Length);
if (len <= 0)
{
break;
}
else if (Mixer_Max_Length <= Bass.BASS_ChannelGetPosition(mixer, BASSMode.BASS_POS_BYTES))
{
break;
}
}
l.Stop();
//メモリ解放
Bass.BASS_StreamFree(mixer);
foreach (int Stream in Stream_Handles)
{
Bass.BASS_StreamFree(Stream);
}
foreach (int Stream in Streams)
{
Bass.BASS_StreamFree(Stream);
}
//MP3形式にエンコード
if (IsEncodeMP3)
{
Un4seen.Bass.Misc.EncoderLAME mc = new Un4seen.Bass.Misc.EncoderLAME(0);
mc.EncoderDirectory = Voice_Set.Special_Path + "/Encode_Mp3";
mc.InputFile = To_File + ".tmp";
mc.OutputFile = To_File;
mc.LAME_Bitrate = (int)Un4seen.Bass.Misc.EncoderLAME.BITRATE.kbps_144;
mc.LAME_Mode = Un4seen.Bass.Misc.EncoderLAME.LAMEMode.Default;
mc.LAME_Quality = Un4seen.Bass.Misc.EncoderLAME.LAMEQuality.Q2;
Un4seen.Bass.Misc.BaseEncoder.EncodeFile(mc, null, true, false, true);
mc.Dispose();
File.Delete(To_File + ".tmp");
}
else
{
Sub_Code.File_Move(To_File + ".tmp", To_File, true);
}
if (File.Exists(To_File) && IsFromFileDelete)
{
foreach (string File_Now in Files)
{
Sub_Code.File_Delete_V2(File_Now);
}
}
}
//if (Bass.BASS_ChannelIsActive(stream) == BASSActive.BASS_ACTIVE_PLAYING) 可以获取状态
public float[] GetFFTData(string name)
{
float[] fft = new float[512];
Bass.BASS_ChannelGetData(soundlist[name].stream, fft, (int)BASSData.BASS_DATA_FFT1024);
return(fft);
}
private void timer1_Tick(object sender, EventArgs e)
{
double n_data, M697, M770, M852, M941, M1209, M1336, M1477, M1633;
double max;
string result, s, DTMF_symbol;
//получить массив
n_data = Bass.BASS_ChannelGetData(stream, data, length * 2);
if (n_data < length * 2)
{
return; //если слишком мало получено, не рассчитать
}
//молучаем магнитуды нужных частот
M697 = GetMagnitude(697);
M770 = GetMagnitude(770);
M852 = GetMagnitude(852);
M941 = GetMagnitude(941);
M1209 = GetMagnitude(1209);
M1336 = GetMagnitude(1336);
M1477 = GetMagnitude(1477);
M1633 = GetMagnitude(1633);
max = 20; //чувствительность
result = "";
//достаточна ли магнитуда
s = (M697 > max) ? "1" : "0";
result = result + s; //добавляем к результату
s = (M770 > max) ? "1" : "0";
result = result + s;
s = (M852 > max) ? "1" : "0";
result = result + s;
s = (M941 > max) ? "1" : "0";
result = result + s;
s = (M1209 > max) ? "1" : "0";
result = result + s;
s = (M1336 > max) ? "1" : "0";
result = result + s;
s = (M1477 > max) ? "1" : "0";
result = result + s;
s = (M1633 > max) ? "1" : "0";
result = result + s;
DTMF_symbol = "";
//в итоге получается нечто похожее на битовое поле
switch (result)
{
case "10001000": //1 - есть частоста, 0 - нет частоты в спектре (в зависимости от того какие частоты есть определяется символ)
DTMF_symbol = "1";
break;
case "10000100":
DTMF_symbol = "2";
break;
case "10000010":
DTMF_symbol = "3";
break;
case "01001000":
DTMF_symbol = "4";
break;
case "01000100":
DTMF_symbol = "5";
break;
case "01000010":
DTMF_symbol = "6";
break;
case "00101000":
DTMF_symbol = "7";
break;
case "00100100":
DTMF_symbol = "8";
break;
case "00100010":
DTMF_symbol = "9";
break;
case "00011000":
DTMF_symbol = "*";
break;
case "00010100":
DTMF_symbol = "0";
break;
case "00010010":
DTMF_symbol = "#";
break;
case "10000001":
DTMF_symbol = "A";
break;
case "01000001":
DTMF_symbol = "B";
break;
case "00100001":
DTMF_symbol = "C";
break;
case "00010001":
DTMF_symbol = "D";
break;
}
if (DTMF_symbol != "") //символ определился
{
counter = 0; //отсчет завершения слова
if (last_simbol != DTMF_symbol) //символ сменился
{
DTMF_word = DTMF_word + DTMF_symbol; //символ добавляется к слову
last_simbol = DTMF_symbol;
}
}
if (DTMF_word != "")
{
counter++; //у нас есть слово, ждем паузы, когда больше не будут декодироваться символы
}
if (counter > 5) //есть пауза
{
textBox1.AppendText(DTMF_word + Environment.NewLine);
DTMF_word = "";
last_simbol = "";
counter = 0;
}
}
public bool GetFFTData(string name, float[] fft)
{
Bass.BASS_ChannelGetData(soundlist[name].stream, fft, (int)BASSData.BASS_DATA_FFT1024);
return(true);
}
public void Resample_16To16()
{
//-- 1. Create a raw sine sample which shall be 44100 Hz and 16 Bit
int sampleLength = 500;
short[] buffer = new short[sampleLength];
for (int i = 0; i < sampleLength; i++)
{
buffer [i] = (short)(30000.0f * Math.Sin(((float)i / (float)sampleLength) * (Math.PI * 2.0f)));
}
using (BinaryWriter writerRaw = new BinaryWriter(File.Open("test1_in_sine_44100_16.raw", FileMode.Create))) {
for (uint i = 0; i < sampleLength; i++)
{
writerRaw.Write(buffer [i]);
}
}
GCHandle _hGCFile;
// now create a pinned handle, so that the Garbage Collector will not move this object
_hGCFile = GCHandle.Alloc(buffer, GCHandleType.Pinned);
int handle = Bass.BASS_StreamCreate(44100, 1, BASSFlag.BASS_STREAM_DECODE, BASSStreamProc.STREAMPROC_PUSH);
int ret = Bass.BASS_StreamPutData(handle, _hGCFile.AddrOfPinnedObject(), buffer.Length * sizeof(short) | (int)BASSStreamProc.BASS_STREAMPROC_END);
Assert.AreEqual(buffer.Length * sizeof(short), ret);
//-- 2. Mix it
int mixer = BassMix.BASS_Mixer_StreamCreate(11025, 1, BASSFlag.BASS_STREAM_DECODE);
// add channel to mixer
bool isMixerGood = BassMix.BASS_Mixer_StreamAddChannel(mixer, handle, BASSFlag.BASS_MIXER_NORAMPIN);
Assert.AreEqual(true, isMixerGood);
//-- 3. grab Stream and compare
short[] buffer2 = new short[1000];
// total data written to the new byte[] buffer
int totalDataWritten = Bass.BASS_ChannelGetData(mixer, buffer2, (int)1000);
Console.WriteLine("totalDataWritten " + totalDataWritten);
using (BinaryWriter writerRaw = new BinaryWriter(File.Open("test1_out_sine_11025_16.raw", FileMode.Create))) {
for (uint i = 0; i < totalDataWritten / 2; i++)
{
writerRaw.Write(buffer2 [i]);
}
}
byte[] buffer3 = new byte[2000];
Buffer.BlockCopy(buffer2, 0, buffer3, 0, totalDataWritten);
string hashGen = MD5Utils.GenerateMd5Hash(buffer3);
Bass.BASS_StreamFree(handle);
Bass.BASS_StreamFree(mixer);
Assert.AreEqual("2c61dc0767698eb28c7735cb073cea6c", hashGen);
}
/// <summary>
/// Saves audio data as a mono wave.
/// </summary>
/// <param name="audioData">The audio data.</param>
/// <param name="outFilename">The output filename.</param>
/// <param name="length">The maximum length in seconds, or 0 for no limit.</param>
/// <param name="gain">The gain.</param>
/// <exception cref="System.Exception">Cannot load audio data</exception>
public static void SaveAsMonoWave(byte[] audioData, string outFilename, double length, float gain)
{
// DebugHelper.WriteLine("SaveAsMonoWave");
var audioDataHandle = GCHandle.Alloc(audioData, GCHandleType.Pinned);
var audioDataPointer = audioDataHandle.AddrOfPinnedObject();
var channel = Bass.BASS_StreamCreateFile(audioDataPointer, 0, audioData.Length,
BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_STREAM_PRESCAN);
if (channel == 0)
{
throw new Exception("Cannot load audio data");
}
// create a mono 44100Hz mixer
var mixer = BassMix.BASS_Mixer_StreamCreate(44100, 1, BASSFlag.BASS_MIXER_END | BASSFlag.BASS_STREAM_DECODE);
// plug in the source
BassMix.BASS_Mixer_StreamAddChannel(mixer, channel,
BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_MIXER_NORAMPIN);
AudioStreamHelper.SetReplayGain(mixer, gain);
const BASSEncode flags = BASSEncode.BASS_ENCODE_PCM;
BassEnc.BASS_Encode_Start(mixer, outFilename, flags, null, IntPtr.Zero);
const int startByte = 0;
if (length == 0)
{
length = Bass.BASS_ChannelBytes2Seconds(channel, Bass.BASS_ChannelGetLength(channel));
}
var totalTransferLength = Bass.BASS_ChannelSeconds2Bytes(mixer, length);
Bass.BASS_ChannelSetPosition(channel, startByte, BASSMode.BASS_POS_BYTES);
while (totalTransferLength > 0)
{
var buffer = new byte[65536];
var transferLength = totalTransferLength;
if (transferLength > buffer.Length)
{
transferLength = buffer.Length;
}
// get the decoded sample data
var transferred = Bass.BASS_ChannelGetData(mixer, buffer, (int)transferLength);
if (transferred <= 1)
{
break; // error or the end
}
totalTransferLength -= transferred;
}
BassEnc.BASS_Encode_Stop(mixer);
BassMix.BASS_Mixer_ChannelRemove(channel);
Bass.BASS_StreamFree(channel);
Bass.BASS_StreamFree(mixer);
audioDataHandle.Free();
// DebugHelper.WriteLine("END SaveAsMonoWave");
}
public static bool GetEQ(ref EQControl EQSETTINGS)
{
bool extensiveLogging = Settings.Instance.ExtensiveLogging;
bool flag2 = (EQSETTINGS.UseStereoEq | EQSETTINGS.UseVUmeter) | EQSETTINGS.UseVUmeter2;
if (g_Player.Player == null || !g_Player.IsMusic || !BassMusicPlayer.IsDefaultMusicPlayer)
{
return(false);
}
if (!EQSETTINGS.UseEqDisplay)
{
return(false);
}
if (EQSETTINGS._AudioUseASIO)
{
return(false);
}
try
{
if (EQSETTINGS.DelayEQ & (g_Player.CurrentPosition < EQSETTINGS._DelayEQTime))
{
EQSETTINGS._EQDisplayTitle = false;
EQSETTINGS._LastEQTitle = (DateTime.Now.Ticks / 1000);
return(false);
}
if (EQSETTINGS.EQTitleDisplay)
{
if (g_Player.CurrentPosition < EQSETTINGS._EQTitleDisplayTime)
{
EQSETTINGS._EQDisplayTitle = false;
}
if (((DateTime.Now.Ticks / 1000) - EQSETTINGS._LastEQTitle) > (EQSETTINGS._EQTitleDisplayTime * 10000))
{
EQSETTINGS._LastEQTitle = (DateTime.Now.Ticks / 1000);
EQSETTINGS._EQDisplayTitle = !EQSETTINGS._EQDisplayTitle;
}
if (EQSETTINGS._EQDisplayTitle &
(((DateTime.Now.Ticks / 1000) - EQSETTINGS._LastEQTitle) < (EQSETTINGS._EQTitleShowTime * 10000)))
{
return(false);
}
}
}
catch
{
EQSETTINGS._EQDisplayTitle = false;
EQSETTINGS._LastEQTitle = (DateTime.Now.Ticks / 1000);
return(false);
}
int handle = -1;
try
{
handle = g_Player.Player.CurrentAudioStream;
}
catch (Exception exception)
{
Log.Debug("MiniDisplay.GetEQ(): Caugth exception obtaining audio stream: {0}", new object[] { exception });
return(false);
}
if ((handle != 0) & (handle != -1))
{
int num2;
if (extensiveLogging)
{
Log.Info("MiniDisplay.GetEQ(): attempting to retrieve equalizer data from audio stream {0}",
new object[] { handle });
}
try
{
int num3;
if (flag2)
{
num3 = -2147483630;
}
else
{
num3 = -2147483646;
}
num2 = Bass.BASS_ChannelGetData(handle, EQSETTINGS.EqFftData, num3);
}
catch
{
if (extensiveLogging)
{
Log.Info("MiniDisplay.GetEQ(): CAUGHT EXCeption - audio stream {0} disappeared", new object[] { handle });
}
return(false);
}
if (num2 > 0)
{
return(true);
}
if (extensiveLogging)
{
Log.Info("MiniDisplay.GetEQ(): unable to retreive equalizer data");
}
return(false);
}
if (extensiveLogging)
{
Log.Info("MiniDisplay.GetEQ(): Audio Stream not available");
}
return(false);
}
public bool GetFFTData(float[] fftDataBuffer)
{
return(_vizStream != null && Bass.BASS_ChannelGetData(_vizStream.Handle, fftDataBuffer, _maxFFT) > 0);
}
public bool DownmixMogg(string CON_file, string output, MoggSplitFormat format, string quality, bool doWii = false, double start = 0.0, double length = 0.0, double fadeIn = 0.0, double fadeOut = 0.0, double volume = 0.0, string stems = "allstems")
{
if (!ExtractDecryptMogg(CON_file, true))
{
return(false);
}
try
{
if (!InitBass())
{
return(false);
}
var BassStream = Bass.BASS_StreamCreateFile(Tools.GetOggStreamIntPtr(), 0, Tools.PlayingSongOggData.Length, BASSFlag.BASS_STREAM_DECODE);
var channel_info = Bass.BASS_ChannelGetInfo(BassStream);
var BassMixer = BassMix.BASS_Mixer_StreamCreate(doWii ? 22050 : channel_info.freq, 2, BASSFlag.BASS_MIXER_END | BASSFlag.BASS_STREAM_DECODE);
if (doWii)
{
BassMix.BASS_Mixer_StreamAddChannelEx(BassMixer, BassStream, BASSFlag.BASS_MIXER_MATRIX, 0, Bass.BASS_ChannelSeconds2Bytes(BassMixer, length));
var track_vol = (float)Utils.DBToLevel(Convert.ToDouble(volume), 1.0);
Bass.BASS_ChannelSetPosition(BassStream, Bass.BASS_ChannelSeconds2Bytes(BassStream, start));
BASS_MIXER_NODE[] nodes =
{
new BASS_MIXER_NODE(0, 0),
new BASS_MIXER_NODE(Bass.BASS_ChannelSeconds2Bytes(BassMixer, fadeIn), track_vol),
new BASS_MIXER_NODE(Bass.BASS_ChannelSeconds2Bytes(BassMixer, length - fadeOut),track_vol),
new BASS_MIXER_NODE(Bass.BASS_ChannelSeconds2Bytes(BassMixer, length), 0)
};
BassMix.BASS_Mixer_ChannelSetEnvelope(BassStream, BASSMIXEnvelope.BASS_MIXER_ENV_VOL, nodes, nodes.Count());
}
else
{
BassMix.BASS_Mixer_StreamAddChannel(BassMixer, BassStream, BASSFlag.BASS_MIXER_MATRIX);
}
var matrix = GetChannelMatrix(Parser.Songs[0], channel_info.chans, stems);
BassMix.BASS_Mixer_ChannelSetMatrix(BassStream, matrix);
var output_file = output;
if (string.IsNullOrWhiteSpace(output))
{
output_file = Path.GetDirectoryName(CON_file) + "\\" + Parser.Songs[0].InternalName + (format == MoggSplitFormat.WAV ? ".wav" : ".ogg");
}
if (format == MoggSplitFormat.OGG)
{
var cmd = "bin\\oggenc2.exe -q" + quality + " - -o\"" + output_file + "\"";
BassEnc.BASS_Encode_Start(BassMixer, cmd, BASSEncode.BASS_ENCODE_FP_24BIT | BASSEncode.BASS_ENCODE_AUTOFREE, null, IntPtr.Zero);
}
else
{
BassEnc.BASS_Encode_Start(BassMixer, output_file, BASSEncode.BASS_ENCODE_PCM | BASSEncode.BASS_ENCODE_AUTOFREE, null, IntPtr.Zero);
}
while (true)
{
var buffer = new byte[20000];
var c = Bass.BASS_ChannelGetData(BassMixer, buffer, buffer.Length);
if (c < 0)
{
break;
}
}
UnloadLibraries();
Tools.ReleaseStreamHandle();
return(File.Exists(output_file));
}
catch (Exception ex)
{
ErrorLog.Add("Error downmixing mogg file:");
ErrorLog.Add(ex.Message);
UnloadLibraries();
Tools.ReleaseStreamHandle();
return(false);
}
}
/// <summary>
/// Determines if the stream contains frames with the specified syncwords.
/// </summary>
/// <param name="syncWord">Syncword to search for.</param>
/// <returns></returns>
private bool IsEncoded(SyncWord syncWord)
{
const int framesToCheck = 5;
const int bytesPerSample = 4;
const int bytesPerWord = 2;
const int channelCount = 2;
long streamLength = Bass.BASS_ChannelGetLength(_handle);
long currentPosition = 0;
if (streamLength > 0)
{
currentPosition = Bass.BASS_ChannelGetPosition(_handle);
if (currentPosition != 0)
{
Bass.BASS_ChannelSetPosition(_handle, 0);
}
}
SyncFifoBuffer syncFifoBuffer = new SyncFifoBuffer(syncWord);
float[] readBuffer = new float[channelCount];
int lastSyncWordPosition = -1;
int lastFrameSize = -1;
int frameCount = 0;
bool result = false;
int sampleIndex = 0;
int maxSampleIndex = (syncWord.MaxFrameSize / bytesPerWord) * framesToCheck + syncWord.WordLength;
while (!result && sampleIndex < maxSampleIndex)
{
int bytesRead = Bass.BASS_ChannelGetData(_handle, readBuffer, readBuffer.Length * bytesPerSample);
if (bytesRead <= 0)
{
// End of stream
break;
}
int samplesRead = bytesRead / bytesPerSample;
int readSample = 0;
while (!result && readSample < samplesRead)
{
// Convert float value to word
UInt16 word = (UInt16)(readBuffer[readSample] * 32768);
// Add word to fifo buffer
syncFifoBuffer.Write(word);
// Check Sync word
if (syncFifoBuffer.IsMatch())
{
int newSyncWordPosition = (sampleIndex - syncWord.WordLength + 1) * bytesPerWord;
if (lastSyncWordPosition != -1)
{
int thisFrameSize = newSyncWordPosition - lastSyncWordPosition;
if (lastFrameSize != -1)
{
if (thisFrameSize != lastFrameSize)
{
break;
}
}
lastFrameSize = thisFrameSize;
frameCount++;
}
lastSyncWordPosition = newSyncWordPosition;
result = (frameCount == framesToCheck);
}
sampleIndex++;
readSample++;
}
}
if (streamLength > 0)
{
Bass.BASS_ChannelSetPosition(_handle, currentPosition);
}
return(result);
}
public void Evaluate(int SpreadMax)
{
bool reset = false;
if (this.FPinInPath.PinIsChanged)
{
//Bass.BASS_StreamFree(this.FHandle);
string path;
this.FPinInPath.GetString(0, out path);
if (File.Exists(path))
{
int handle = Bass.BASS_StreamCreateFile(path, 0, 0, BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT | BASSFlag.BASS_STREAM_PRESCAN);
if (handle < -1)
{
this.FHandle = handle;
BASS_CHANNELINFO info = Bass.BASS_ChannelGetInfo(this.FHandle);
this.FNumChans = info.chans;
this.FFileValid = true;
}
else
{
this.FFileValid = false;
this.FHandle = -1;
this.FPinOutLeft.SliceCount = 0;
this.FPinOutRight.SliceCount = 0;
this.FPinOutStatus.SetString(0, "Inavlid file format");
}
}
else
{
this.FFileValid = false;
this.FHandle = -1;
this.FPinOutLeft.SliceCount = 0;
this.FPinOutRight.SliceCount = 0;
this.FPinOutStatus.SetString(0, "File does not exist");
}
reset = true;
}
if (this.FPinInInvidivual.PinIsChanged ||
this.FPinInSize.PinIsChanged || reset)
{
this.FFlag = this.GetDataType();
if (this.FFlag != -1)
{
this.FFlagValid = true;
}
else
{
this.FFlagValid = false;
this.FPinOutLeft.SliceCount = 0;
this.FPinOutRight.SliceCount = 0;
this.FPinOutStatus.SetString(0, "FFT must be 256,512,1024,2048,4096 or 8192");
}
reset = true;
}
if (this.FPinInPosition.PinIsChanged || reset)
{
if (this.FFlagValid && this.FFileValid)
{
double position;
this.FPinInPosition.GetValue(0, out position);
int len = this.FSize;
if (!this.FIndividual || this.FNumChans == 1)
{
len = len / 2;
}
//byte[] buffer = new byte[len * 4];
float[] samples = new float[len];
Bass.BASS_ChannelSetPosition(this.FHandle, position);
int cnt = Bass.BASS_ChannelGetData(this.FHandle, samples, this.GetDataType());
long pos = Bass.BASS_ChannelGetPosition(this.FHandle);
double dpos = Bass.BASS_ChannelBytes2Seconds(this.FHandle, pos);
//float[] samples = new float[len];
//GCHandle handle;
//handle = GCHandle.Alloc(samples, GCHandleType.Pinned);
//Marshal.Copy(samples, 0, handle.AddrOfPinnedObject(), buffer.Length);
//handle.Free();
this.FPinOutPosition.SetValue(0, dpos);
this.FPinOutStatus.SetString(0, "OK");
if (this.FNumChans == 1 || !this.FIndividual)
{
this.FPinOutLeft.SliceCount = len;
this.FPinOutRight.SliceCount = len;
for (int i = 0; i < len; i++)
{
this.FPinOutLeft.SetValue(i, (double)samples[i]);
this.FPinOutRight.SetValue(i, (double)samples[i]);
}
}
else
{
this.FPinOutLeft.SliceCount = len / 2;
this.FPinOutRight.SliceCount = len / 2;
for (int i = 0; i < len; i++)
{
if (i % 2 == 0)
{
this.FPinOutLeft.SetValue(i / 2, (double)samples[i]);
}
else
{
this.FPinOutRight.SetValue(i / 2, (double)samples[i]);
}
}
}
}
}
}
