public void Convert()
{
if (File.Exists(this.MetaData.OutputFilePath.Value))
{
return;
}
var outputTag = new ID3TagData
{
Album = this.MetaData.Tag.Album,
Artist = this.MetaData.Tag.Artist,
Comment = this.MetaData.Tag.Comment,
Genre = this.MetaData.Tag.Genre,
Title = this.MetaData.Tag.Title,
Track = this.MetaData.Tag.Track,
Year = this.MetaData.Tag.Year,
};
using (var reader = new AudioFileReader(this.MetaData.InputFilePath))
using (var writer = new LameMP3FileWriter(this.MetaData.OutputFilePath.Value
, reader.WaveFormat
, 320
, outputTag
))
{
reader.CopyTo(writer);
}
using (var outputFile = TagLib.File.Create(this.MetaData.OutputFilePath.Value))
{
this.MetaData.Tag.CopyTo(this.MetaData.OutputFilePath.Value);
outputFile.Save();
}
}
/// <summary>
/// Convert WAV to MP3 using libmp3lame library
/// </summary>
/// <param name="waveFileName">WAV filename</param>
/// <param name="mp3FileName">MP3 filename</param>
/// <param name="bitRate">Bit rate, default 128</param>
/// <param name="artist">Optional artist name</param>
/// <param name="album">Optional album name</param>
/// <param name="setID3Tags">Set ID3 tags</param>
public static bool WavToMP3(string waveFileName, string mp3FileName, int bitRate = 128, string artist = null, string album = null, bool setID3Tags = false, string genre = "148")
{
bool result = true;
try
{
ID3TagData tags = new ID3TagData();
if (setID3Tags)
{
if (!String.IsNullOrEmpty(artist))
{
tags.Artist = artist;
tags.Album = album;
tags.Genre = genre;
}
}
using (var reader = new WaveFileReader(waveFileName))
using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, bitRate, tags))
reader.CopyTo(writer);
}
catch (Exception)
{
result = false;
}
return result;
}
// Compare the properties of two tags, throw assertion exception on any apparent differences
private static void CompareTags(ID3TagData left, ID3TagData right)
{
Assert.IsNotNull(right);
// confirm elements are the same
Assert.AreEqual(left.Title, right.Title, "Title mismatch");
Assert.AreEqual(left.Artist, right.Artist, "Artist mismatch");
Assert.AreEqual(left.Album, right.Album, "Album mismatch");
Assert.AreEqual(left.Year, right.Year, "Year mismatch");
Assert.AreEqual(left.Comment, right.Comment, "Comment mismatch");
Assert.AreEqual(left.Genre, right.Genre, "Genre mismatch");
Assert.AreEqual(left.Subtitle, right.Subtitle, "Subtitle mismatch");
Assert.AreEqual(left.AlbumArtist, right.AlbumArtist, "AlbumArtist mismatch");
Assert.AreEqual(left.UserDefinedText.Count, right.UserDefinedText.Count, "UserDefinedText count mismatch");
foreach (var key in left.UserDefinedText.Keys)
{
Assert.IsTrue(right.UserDefinedText.ContainsKey(key));
Assert.AreEqual(left.UserDefinedText[key], right.UserDefinedText[key], $"UDT[{key}] mismatch.");
}
Assert.AreEqual(left.AlbumArt?.Length ?? -1, right.AlbumArt?.Length ?? -1);
if (left.AlbumArt != null)
{
Assert.IsTrue(System.Linq.Enumerable.SequenceEqual(left.AlbumArt, right.AlbumArt));
}
}
public static async Task <string> WaveToMP3Async(string waveFileName,
string mp3FileName,
int bitRate = 192,
string title = "",
string subtitle = "",
string comment = "",
string artist = "",
string albumArtist = "",
string album = "",
string year = "",
string track = "",
string genre = "",
byte[] albumArt = null,
string[] userDefinedTags = null)
{
ID3TagData tag = new ID3TagData
{
Title = title,
Artist = artist,
Album = album,
Year = year,
Comment = comment,
Genre = LameMP3FileWriter.Genres[36], // 36 is game. FUll list @ http://ecmc.rochester.edu/ecmc/docs/lame/id3.html
Subtitle = subtitle,
AlbumArt = albumArt,
AlbumArtist = albumArtist,
Track = track,
UserDefinedTags = userDefinedTags
};
var reader = new AudioFileReader(waveFileName);
if (reader.WaveFormat.Channels <= 2)
{
using (reader)
{
using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, bitRate, tag))
await reader.CopyToAsync(writer); //reader.CopyTo(writer);
}
}
else if (reader.WaveFormat.Channels > 2)
{
reader.Dispose();
mp3FileName = string.Empty;
SplitWav(waveFileName);
var fileNames = MixSixChannel(waveFileName);
foreach (var fileName in fileNames)
{
using (reader = new AudioFileReader(fileName))
{
using (var writer = new LameMP3FileWriter(fileName.Replace(".wav", ".mp3"), reader.WaveFormat, bitRate, tag))
await reader.CopyToAsync(writer);
mp3FileName += fileName.Replace(".wav", ".mp3") + " ";
}
}
}
return($"{mp3FileName} created.\r\n\r\n");
}
/// <summary>Convert WAV file to MP3 using libmp3lame library, setting ID3 tag</summary>
/// <param name="waveFileName">Filename of WAV file to convert</param>
/// <param name="mp3FileName">Filename to save to</param>
/// <param name="tag">ID3 tag data to insert into file</param>
/// <param name="bitRate">MP3 bitrate in kbps, defaults to 128kbps</param>
/// <remarks>Uses NAudio to read, can read any file compatible with <see cref="NAudio.Wave.AudioFileReader"/></remarks>
public static void WaveToMP3(string waveFileName, string mp3FileName, ID3TagData tag, int bitRate = 128)
{
using (var reader = new AudioFileReader(waveFileName))
using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, 128, tag))
{
reader.CopyTo(writer);
}
}
/// <summary>
/// Convert a WAV into MP3 file
/// </summary>
/// <param name="inputFile">Input WAV files path</param>
/// <param name="outputFile">Output MP3 file path</param>
/// <param name="id3Tag">MP3 tags</param>
public static void WavToMp3(string inputFile, string outputFile, ID3TagData id3Tag)
{
var reader = new WaveFileReader(inputFile);
var writer = new LameMP3FileWriter(outputFile, reader.WaveFormat, ExportQuality, id3Tag);
reader.CopyTo(writer);
writer.Close();
reader.Close();
}
// Write tag to file, read it back, then ensure that the two match.
private static void CheckTagRoundTrip(ID3TagData tag)
{
// round-trip the tag
var newTag = GetTagAsWritten(tag);
Assert.IsNotNull(newTag);
// confirm the the various elements are the same
CompareTags(tag, newTag);
}
internal static void UpdateSongInfo()
{
if (IsDefaultStaion)
{
ID3TagData TempID3 = new ID3TagData();
using (WebClient client = new WebClient())
{
SongInfo.CurrentSong = GetSong(client, SongInfo.RadioStation.Endpoints.Song);
while (true)
{
TempID3 = GetSong(client, SongInfo.RadioStation.Endpoints.Song);
if (SongInfo.CurrentSong.Artist != TempID3.Artist && SongInfo.CurrentSong.Title != TempID3.Title)
{
if (!SongInfo.IsContinuous)
{
if (RecordStreamThread.ThreadState == ThreadState.Running)
{
RecordStreamThread.Abort();
}
Thread.Sleep(1000 * SongInfo.StreamDelay);
SongInfo.CurrentSong = TempID3;
SongInfo.Elapsed.Value = 0;
if (RecordStreamThread.ThreadState == ThreadState.Aborted)
{
if (Mp3Reader != null)
{
Mp3Reader = null;
}
if (Mp3Writer != null)
{
Mp3Writer = null;
}
RecordStreamThread = new Thread(RecordStream);
RecordStreamThread.Start();
}
}
}
UpdateElapsed();
}
}
}
else
{
while (true)
{
UpdateElapsed();
}
}
}
private void convertToMp3()
{
if (IsRecording)
{
return;
}
int i = 0;
var outputFile = Path.Combine(SettingsFile.Instance.SavePath, buildFileName(i));
while (File.Exists(outputFile))
{
outputFile = Path.Combine(SettingsFile.Instance.SavePath, buildFileName(++i));
}
try {
log.Debug($"Generating mp3: {outputFile}");
var tag = new ID3TagData();
tag.UserDefinedText.Add("CallId", Call.CallId);
tag.UserDefinedText.Add("From", Call.From?.SkypeId);
tag.UserDefinedText.Add("FromDisplayName", Call.From?.DisplayName);
tag.UserDefinedText.Add("To", Call.To?.SkypeId);
tag.UserDefinedText.Add("ToDisplayName", Call.To?.DisplayName);
var mixer = new WaveMixerStream32 {
AutoStop = true
};
log.Debug($" adding wave input: {_micSourceFile}");
addMixerStream(mixer, _micSourceFile);
log.Debug($" adding wave input: {_spkSourceFile}");
addMixerStream(mixer, _spkSourceFile);
log.Debug($" encoding");
var wave32 = new Wave32To16Stream(mixer);
var mp3Writer = new LameMP3FileWriter(outputFile, wave32.WaveFormat, LAMEPreset.VBR_90, tag);
wave32.CopyTo(mp3Writer);
// close all streams
wave32.Close();
mp3Writer.Close();
log.Debug($" finished, removing temp files");
File.Delete(_micSourceFile);
File.Delete(_spkSourceFile);
}
catch (Exception ex) {
log.Error("Error generating mp3: " + ex.Message, ex);
}
}
/// <summary>
/// Concat a list of WAV in a MP3 file
/// </summary>
/// <param name="inputFiles">List of input WAV files paths</param>
/// <param name="outputFile">Output MP3 file path</param>
/// <param name="id3Tag">MP3 tags</param>
public static void WavToMp3(List <string> inputFiles, string outputFile, ID3TagData id3Tag)
{
var writer = new LameMP3FileWriter(outputFile, TempWaveFormat, ExportQuality, id3Tag);
foreach (var inputFile in inputFiles)
{
var reader = new WaveFileReader(inputFile);
reader.CopyTo(writer);
reader.Close();
}
writer.Flush();
writer.Close();
}
private void splitWavPrep(string albumPath, string filePath)
{
string artist = artistTxt.Text;
MediaFoundationReader reader = new MediaFoundationReader(filePath);
int bytesPerMilliSecond = reader.WaveFormat.AverageBytesPerSecond / 1000;
for (int i = 0; i < tracks.Count; i++)
{
int startMilliSeconds = getFullMilliSeconds(tracks[i].StartTime);
string trackName = tracks[i].Title;
int duration;
if (i < tracks.Count - 1)
{
//if there's a next track
duration = (int)getFullMilliSeconds(tracks[i + 1].StartTime) - startMilliSeconds;
}
else
{
//this is the last track
duration = (int)reader.TotalTime.TotalMilliseconds - startMilliSeconds;
}
int startPos = startMilliSeconds * bytesPerMilliSecond;
startPos = startPos - startPos % reader.WaveFormat.BlockAlign;
int endMilliSeconds = startMilliSeconds + duration;
int endBytes = (endMilliSeconds - startMilliSeconds) * bytesPerMilliSecond;
endBytes = endBytes - endBytes % reader.WaveFormat.BlockAlign;
int endPos = startPos + endBytes;
string trackPath = Path.Combine(albumPath, trackName + ".mp3");
ID3TagData tag = new ID3TagData
{
Title = trackName,
Artist = artist,
Album = albumNameTxt.Text,
Comment = "YT2MP3 https://github.com/teknoalex/YT2MP3",
AlbumArtist = artist,
Track = i.ToString(),
AlbumArt = getThumbnail(id)
};
splitMp3(trackPath, startPos, endPos, reader, tag);
}
}
public void Test_Issue42()
{
var waveFormat = new WaveFormat();
var tag = new ID3TagData {
Album = "Album"
};
using (var ms = new MemoryStream())
using (var writer = new LameMP3FileWriter(ms, waveFormat, LAMEPreset.STANDARD, tag))
{
byte[] empty = new byte[8192];
writer.Write(empty, 0, 8192);
writer.Flush();
}
}
// Create an in-memory MP3 file with the supplied ID3v2 tag, then read the tag back from the MP3 file
private static ID3TagData GetTagAsWritten(ID3TagData tag)
{
var waveFormat = new WaveFormat();
using (var ms = new MemoryStream())
{
using (var writer = new LameMP3FileWriter(ms, waveFormat, LAMEPreset.STANDARD, tag))
{
byte[] empty = new byte[8192];
writer.Write(empty, 0, 8192);
writer.Flush();
}
ms.Position = 0;
return(ID3Decoder.Decode(ReadID3v2Tag(ms)));
}
}
/// <summary>Convert WAV file to MP3 using libmp3lame library, setting ID3 tag</summary>
/// <param name="waveFileName">Filename of WAV file to convert</param>
/// <param name="mp3FileName">Filename to save to</param>
/// <param name="tag">ID3 tag data to insert into file</param>
/// <param name="bitRate">MP3 bitrate in kbps, defaults to 128kbps</param>
/// <remarks>Uses NAudio to read, can read any file compatible with <see cref="NAudio.Wave.AudioFileReader"/></remarks>
public static void WaveToMP3(string waveFileName, string mp3FileName, ID3TagData tag, int bitRate = 128)
{
byte[] tagBytes = null;
using (var reader = new AudioFileReader(waveFileName))
using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, 128, tag))
{
reader.CopyTo(writer);
tagBytes = writer.GetID3v2TagBytes();
}
if (tagBytes != null)
{
var dectag = ID3Decoder.Decode(tagBytes);
}
}
static void ID3Test()
{
ID3TagData tag = new ID3TagData
{
Title = "A Test File",
Artist = "Microsoft",
Album = "Windows 7",
Year = "2009",
Comment = "Test only.",
Genre = LameMP3FileWriter.Genres[1],
Subtitle = "From the Calligraphy theme",
AlbumArt = System.IO.File.ReadAllBytes(@"disco.png")
};
Codec.WaveToMP3("test.wav", "test_id3.mp3", tag);
}
public MyAudioClass(string filename, InputClass config, ID3TagData tagData)
{
// _filename = filename;
_config = config;
_txtWriter = File.CreateText($"{filename}.txt");
var format = new WaveFormat(config.SampleRate, 16, 2);
_mp3Writer = new LameMP3FileWriter($"{filename}.mp3", format, 128, tagData);
// var outfile = $"{filename}.wav";
var outfile = _rawStream;
_writer = new WaveFileWriter(outfile, format);
_lrc = new LrcClass($"{filename}.lrc");
_speaker = new SpeechSynthesizer();
_speaker.SelectVoice(_config.SpeakVoice);
_speaker.Rate = _config.Speed;
_speaker.Volume = _config.Volume;
}
static void ConvertFile(string sourceFileName, string destFileName)
{
Console.WriteLine($"------------------------------------------------------------");
Console.WriteLine($" Source: {sourceFileName}");
IMFMediaSource mediaSource = GetMediaSource(sourceFileName);
int bitRate = GetBitRate(mediaSource);
IMFMetadata metadata = GetMetadata(mediaSource);
ID3TagData tagData = new ID3TagData()
{
Title = GetStringProperty(metadata, "Title"),
Artist = GetStringProperty(metadata, "Author"),
Album = GetStringProperty(metadata, "WM/AlbumTitle"),
Year = GetStringProperty(metadata, "WM/Year"),
Genre = GetStringProperty(metadata, "WM/Genre"),
Track = GetUIntProperty(metadata, "WM/TrackNumber"),
AlbumArtist = GetStringProperty(metadata, "WM/AlbumArtist")
};
COMBase.SafeRelease(metadata);
metadata = null;
COMBase.SafeRelease(mediaSource);
mediaSource = null;
Console.WriteLine($" Title: {tagData.Title}");
Console.WriteLine($"Album artist: {tagData.AlbumArtist}");
Console.WriteLine($" Artist: {tagData.Artist}");
Console.WriteLine($" Album: {tagData.Album}");
Console.WriteLine($" Year: {tagData.Year}");
Console.WriteLine($" Genre: {tagData.Genre}");
Console.WriteLine($" Track: {tagData.Track}");
Console.WriteLine($" Bit rate: {bitRate}");
using (AudioFileReader reader = new AudioFileReader(sourceFileName))
{
using (LameMP3FileWriter writer = new LameMP3FileWriter(destFileName, reader.WaveFormat, bitRate, tagData))
{
reader.CopyTo(writer);
}
}
Console.WriteLine($" Destination: {destFileName}");
}
public static void Main(string[] args)
{
CheckAddBinPath();
Console.Write("请输入文件名: ");
var name = Console.ReadLine();
if (name == null)
{
return;
}
if (!File.Exists($"{name}/in.json"))
{
Console.WriteLine("文件不存在,新建配置");
Directory.CreateDirectory(name);
var config = InputClass.Default;
var inWriter = File.CreateText($"{name}/in.json");
inWriter.Write(JsonConvert.SerializeObject(config));
inWriter.Close();
Console.WriteLine("配置新建完成!");
return;
}
var streamReader = File.OpenText($"{name}/in.json");
var input = JsonConvert.DeserializeObject <InputClass>(streamReader.ReadToEnd());
streamReader.Close();
var tag = new ID3TagData
{
Album = name,
Artist = "WayZer",
Comment = "Made by WordVoiceCreater(by Way__Zer)",
};
for (int i = 0, n = 0; i < input.Parts.Length; n += input.Parts[i], i++)
{
var i1 = i;
tag.Title = $"{name}-{i1 + 1}";
var audiof = new MyAudioClass($"{name}/{name}.part{i1+1}", input, tag);
audiof.Run(n, i1);
audiof.Close();
}
}
static void Main(string[] args)
{
ID3TagData tag = new ID3TagData
{
Title = "A Test File",
Artist = "Microsoft",
Album = "Windows 7",
Year = "2009",
Comment = "Test only.",
Genre = LameMP3FileWriter.Genres[1],
Subtitle = "From the Calligraphy theme",
AlbumArt = System.IO.File.ReadAllBytes(@"disco.png")
};
using (var reader = new AudioFileReader(@"test.wav"))
using (var writer = new LameMP3FileWriter(@"test.mp3", reader.WaveFormat, 128, tag))
{
reader.CopyTo(writer);
}
}
private void ReadAudioTrack(
int track, ExtractionPaths paths, ProgressReporter progress)
{
Directory.CreateDirectory(paths.OutputDirectory);
string outputPath = GenerateOutputPath(paths, track - 1);
ID3TagData metadata = GenerateTrackMetadata(track - 1);
using (var mp3Writer = new LameMP3FileWriter(
outputPath, new WaveFormat(), LAMEPreset.STANDARD, metadata))
{
CdDataReadEventHandler onDataRead = (x, y) => OnDataRead(x, y, mp3Writer);
CdReadProgressEventHandler onProgress = (x, y) => OnTrackProgress(x, y, progress);
if (m_drive.ReadTrack(track, onDataRead, onProgress) == 0)
{
throw new InvalidOperationException($"Cannot read track {track}");
}
}
}
public void Encode(Stream source, string outputPath, SongTags tags, byte[] reusedBuffer)
{
WaveFileReader reader = null;
LameMP3FileWriter writer = null;
try //Idk if using captures the original instance - clearer to just use try-finally
{
reader = new WaveFileReader(source);
var id3 = new ID3TagData()
{
Artist = tags.Artist,
Title = tags.Title,
};
if (LamePreset != null)
{
writer = new LameMP3FileWriter(outputPath, reader.WaveFormat, LamePreset.GetValueOrDefault(), id3);
}
else if (BitRate != null)
{
writer = new LameMP3FileWriter(outputPath, reader.WaveFormat, BitRate.GetValueOrDefault(), id3);
}
else
{
writer = new LameMP3FileWriter(outputPath, reader.WaveFormat, LAMEPreset.STANDARD, id3);
}
while (reader.Position < reader.Length)
{
int bytesRead = reader.Read(reusedBuffer, 0, reusedBuffer.Length);
writer.Write(reusedBuffer, 0, bytesRead);
}
}
finally
{
reader?.Dispose();
writer?.Dispose();
}
}
private static ID3TagData MakeDefaultTag()
{
var res = new ID3TagData
{
Title = "Title",
Artist = "Artist",
Album = "Album",
Year = "1999",
Comment = "Comment, standard ASCII",
Genre = @"Other",
Track = "7",
Subtitle = "Subtitle",
AlbumArtist = "AlbumArtist",
};
res.SetUDT(new string[]
{
@"UDF01=Some simple ASCII text",
@"Empty=",
});
return(res);
}
static void ID3Test()
{
ID3TagData tag = new ID3TagData
{
Title = "A Test File",
Artist = "Microsoft",
Album = "Windows 7",
Year = "2009",
Comment = "Test only.",
Genre = LameMP3FileWriter.Genres[1],
Subtitle = "From the Calligraphy theme",
AlbumArt = System.IO.File.ReadAllBytes(@"disco.png")
};
tag.SetUDT(new[]
{
"udf1=First UDF added",
"udf2=Second UDF",
"unicode1=Unicode currency symbols: ₠ ₡ ₢ ₣ ₤ ₥ ₦ ₧ ₨ ₩ ₪ ₫"
});
Codec.WaveToMP3("test.wav", "test_id3.mp3", tag);
}
public bool SaveMP3(List <string> saveLocationList)
{
string tempFilename = System.IO.Path.GetFileNameWithoutExtension(myrecorder.FilePath);
int cnt = 0;
foreach (var p in saveLocationList)
{
if (p != "" && !System.IO.Directory.Exists(p))
{
var x1 = new SpecialMessageBox();
x1.ShowMessage(parent, "Error", "Check the save location(s)", String.Format("The save location \"{0}\" does not exist. Enter a valid location, or, leave it empty to skip.", p));
return(false);
}
cnt++;
}
if (cnt == 0)
{
var x1 = new SpecialMessageBox();
x1.ShowMessage(parent, "Error", "Check the save location(s)", String.Format("No save locations specified. Enter at least one location to save the MP3."));
return(false);
}
// path to the temporary location where the raw recording is saved (i.e. the WAV file),
// not including the file extension.
string tempRecordingPath = System.IO.Path.Combine(appPreferences.TempLocation, tempFilename);
//if (!_usingCustomPath && File.Exists(saveLocation.Text) &&
// MessageBox.Show("A file with the same name exists, overwrite?", "File exists", MessageBoxButtons.YesNo,
// MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.No) return;
//btnSave.Enabled = false;
foreach (var p in saveLocationList)
{
if (p != "")
{
var testFile = System.IO.Path.Combine(p, tempFilename + ".mp3");
if (System.IO.File.Exists(testFile))
{
var x1 = new SpecialMessageBox();
x1.ShowMessage(parent, "Error", "Sermon not saved.", String.Format("The MP3 export was aborted because the file already exists at the save location:\n\n\"" + testFile + "\""));
return(false);
}
}
}
var tag = new ID3TagData
{
Title = _title.Trim(),
Artist = _speaker.Trim(),
Album = _series.Trim(),
Year = $"{Recorder.StartTime.Year:#0000}{Recorder.StartTime.Month:#00}{Recorder.StartTime.Day:#00}",
Comment = _passage,
AlbumArtist = _service.Trim(),
Genre = "swec.org.au"
};
//TaskbarManager.Instance.SetProgressState(TaskbarProgressBarState.Normal);
//TaskbarManager.Instance.SetProgressValue(0, 1);
using (var inputWave = new WaveFileReader(myrecorder.FilePath))
using (var compressor = new SimpleCompressorStream(inputWave)
{
Attack = (float)1.5,
Enabled = true,
Threshold = 10,
Ratio = 4,
MakeUpGain = -3
})
using (var writer = new LameMP3FileWriter(tempRecordingPath + ".compressed.mp3", inputWave.WaveFormat,
LAMEPreset.MEDIUM,
tag))
{
writer.MinProgressTime = 0;
writer.OnProgress += (w, i, o, f) =>
{
//if (f) Close(); //??? throw...
//else UpdateProgressBar(i, inputWave.Length);
};
var bytesPerMillisecond = inputWave.WaveFormat.AverageBytesPerSecond / 1000;
var startPos = 0; // (int)waveform.TimeStart.TotalMilliseconds * bytesPerMillisecond;
var endBytes = 0; // (int)waveform.TimeEnd.TotalMilliseconds * bytesPerMillisecond;
endBytes = endBytes - endBytes % inputWave.WaveFormat.BlockAlign;
var endPos = (int)inputWave.Length - endBytes;
inputWave.Position = startPos - startPos % inputWave.WaveFormat.BlockAlign;
var buffer = new byte[1024];
while (inputWave.Position < endPos)
{
var bytesRequired = (int)(endPos - inputWave.Position);
if (bytesRequired > 0)
{
var bytesToRead = Math.Min(bytesRequired, buffer.Length);
var bytesRead = compressor.Read(buffer, 0, bytesToRead);
if (bytesRead > 0)
{
writer.Write(buffer, 0, bytesRead);
}
}
}
}
using (var inputWave = new WaveFileReader(myrecorder.FilePath))
using (var writer = new LameMP3FileWriter(tempRecordingPath + ".mp3", inputWave.WaveFormat, LAMEPreset.MEDIUM, tag))
{
inputWave.CopyTo(writer);
}
foreach (var p in saveLocationList)
{
if (p != "")
{
System.IO.File.Copy(tempRecordingPath + ".compressed.mp3", System.IO.Path.Combine(p, tempFilename + ".mp3"));
}
}
// Cleanup
System.IO.File.Delete(tempRecordingPath + ".mp3");
System.IO.File.Delete(tempRecordingPath + ".compressed.mp3");
return(true);
}
private async Task ConvertAsync(
string waveFileName,
string mp3FileName,
int bitRate = 192,
string title = "",
string subtitle = "",
string comment = "",
string artist = "",
string albumArtist = "",
string album = "",
string year = "",
string track = "",
string genre = "",
byte[] albumArt = null)
{
var tag = new ID3TagData
{
Title = title,
Artist = artist,
Album = album,
Year = year,
Comment = comment,
Genre = genre.Length == 0 ? LameMP3FileWriter.Genres[36] : genre, // 36 is game. Full list @ http://ecmc.rochester.edu/ecmc/docs/lame/id3.html
Subtitle = subtitle,
AlbumArt = albumArt,
AlbumArtist = albumArtist,
Track = track
};
var reader = new AudioFileReader(waveFileName);
if (reader.WaveFormat.Channels <= 2)
{
using (reader)
using (var writer = new LameMP3FileWriter(mp3FileName, reader.WaveFormat, bitRate, tag))
{
await reader.CopyToAsync(writer);
}
var createMessage = $"{mp3FileName} created";
_sendMessageEvent.OnSendMessageEvent(new SendMessageEventArgs(createMessage));
_logger.LogInformation(createMessage);
}
else if (reader.WaveFormat.Channels == 4 || reader.WaveFormat.Channels == 6)
{
reader.Dispose();
mp3FileName = string.Empty;
await Task.Run(() => SplitWav(waveFileName));
var fileNames = MixSixChannel(waveFileName);
foreach (var fileName in fileNames)
{
using (reader = new AudioFileReader(fileName))
{
using (var writer = new LameMP3FileWriter(fileName.Replace(".wav", ".mp3"), reader.WaveFormat, bitRate: bitRate, id3: tag))
{
await reader.CopyToAsync(writer);
}
mp3FileName += string.IsNullOrEmpty(mp3FileName) ? fileName.Replace(".wav", ".mp3") + " & " : fileName.Replace(".wav", ".mp3");
}
}
var createMessage = $"{mp3FileName} created";
_sendMessageEvent.OnSendMessageEvent(new SendMessageEventArgs(createMessage));
_logger.LogInformation(createMessage);
}
else
{
throw new Exception($"Could not convert {mp3FileName.Trim()}: It has {reader.WaveFormat.Channels} channels.");
}
}
private static void mixFinalAudio(string outputFilename, List <KeyPosition> sounds, List <string> samples)
{
var mixedSamples = new List <OffsetSampleProvider>();
// Find P1 and P2 ends
int[] playerEnd = { -1, -1 };
foreach (var sound in sounds)
{
if (sound.keysoundId == -1 && sound.key == -1)
{
playerEnd[sound.player] = sound.offset;
}
}
foreach (var sound in sounds)
{
if (sound.keysoundId == -1)
{
continue;
}
var audioFile = new AudioFileReader(samples[sound.keysoundId]);
var volSample = new VolumeSampleProvider(audioFile);
if (volSample.WaveFormat.Channels == 1)
{
volSample = new VolumeSampleProvider(volSample.ToStereo());
}
if (volSample.WaveFormat.SampleRate != 44100)
{
// Causes pop sound at end of audio
volSample = new VolumeSampleProvider(
new WaveToSampleProvider(
new MediaFoundationResampler(
new SampleToWaveProvider(volSample),
WaveFormat.CreateIeeeFloatWaveFormat(44100, 2)
)
{
ResamplerQuality = 60
}
)
);
}
if (options.AssistClap && sound.keysoundId == assistClapIdx)
{
volSample.Volume = options.AssistClapVolume;
}
else
{
volSample.Volume = options.RenderVolume;
}
var sample = new OffsetSampleProvider(volSample);
sample.DelayBy = TimeSpan.FromMilliseconds(sound.offset);
if (sound.player >= 0 && sound.player <= 1 && playerEnd[sound.player] != -1 && sound.offset + audioFile.TotalTime.TotalMilliseconds > playerEnd[sound.player])
{
sample.Take = TimeSpan.FromMilliseconds(playerEnd[sound.player] - sound.offset);
}
mixedSamples.Add(sample);
}
var mixers = new List <MixingSampleProvider>();
for (int i = 0; i < mixedSamples.Count; i += 128)
{
var arr = mixedSamples.Skip(i).Take(128).ToArray();
mixers.Add(new MixingSampleProvider(arr));
}
var mixer = new MixingSampleProvider(mixers);
if (options.OutputFormat.ToLower() == "wav")
{
WaveFileWriter.CreateWaveFile16(outputFilename, mixer);
}
else if (options.OutputFormat.ToLower() == "mp3")
{
var tempFilename = GetTempFileName();
WaveFileWriter.CreateWaveFile16(tempFilename, mixer);
ID3TagData id3 = new ID3TagData();
id3.Album = options.Id3Album;
id3.AlbumArtist = options.Id3AlbumArtist;
id3.Title = options.Id3Title;
id3.Artist = options.Id3Artist;
id3.Genre = options.Id3Genre;
id3.Track = options.Id3Track;
id3.Year = options.Id3Year;
using (var reader = new AudioFileReader(tempFilename))
using (var writer = new LameMP3FileWriter(outputFilename, reader.WaveFormat, 320, id3))
{
reader.CopyTo(writer);
}
File.Delete(tempFilename);
}
}
private void BtnSave_Click(object sender, EventArgs e)
{
if (!_usingCustomPath && File.Exists(saveLocation.Text) &&
MessageBox.Show("A file with the same name exists, overwrite?", "File exists", MessageBoxButtons.YesNo,
MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2) == DialogResult.No)
{
return;
}
btnSave.Enabled = false;
var tag = new ID3TagData
{
Title = _title.Text.Trim(),
Artist = _speaker.Text.Trim(),
Album = _series.Text.Trim(),
Year = $"{Recorder.StartTime.Year:#0000}{Recorder.StartTime.Month:#00}{Recorder.StartTime.Day:#00}",
Comment = _passage.Text,
AlbumArtist = _service.Text.Trim(),
Genre = "swec.org.au"
};
TaskbarManager.Instance.SetProgressState(TaskbarProgressBarState.Normal);
TaskbarManager.Instance.SetProgressValue(0, 1);
using (var inputWave = new WaveFileReader(Recorder.FilePath))
using (var compressor = new SimpleCompressorStream(inputWave)
{
Attack = (float)1.5,
Enabled = true,
Threshold = 10,
Ratio = 4,
MakeUpGain = -3
})
using (var writer = new LameMP3FileWriter(saveLocation.Text + ".compressed.mp3", inputWave.WaveFormat,
LAMEPreset.MEDIUM,
tag))
{
writer.MinProgressTime = 0;
writer.OnProgress += (w, i, o, f) =>
{
if (f)
{
Close();
}
else
{
UpdateProgressBar(i, inputWave.Length);
}
};
var bytesPerMillisecond = inputWave.WaveFormat.AverageBytesPerSecond / 1000;
var startPos = (int)waveform.TimeStart.TotalMilliseconds * bytesPerMillisecond;
var endBytes = (int)waveform.TimeEnd.TotalMilliseconds * bytesPerMillisecond;
endBytes = endBytes - endBytes % inputWave.WaveFormat.BlockAlign;
var endPos = (int)inputWave.Length - endBytes;
inputWave.Position = startPos - startPos % inputWave.WaveFormat.BlockAlign;
var buffer = new byte[1024];
while (inputWave.Position < endPos)
{
var bytesRequired = (int)(endPos - inputWave.Position);
if (bytesRequired > 0)
{
var bytesToRead = Math.Min(bytesRequired, buffer.Length);
var bytesRead = compressor.Read(buffer, 0, bytesToRead);
if (bytesRead > 0)
{
writer.Write(buffer, 0, bytesRead);
}
}
}
}
using (var inputWave = new WaveFileReader(Recorder.FilePath))
using (var writer = new LameMP3FileWriter(saveLocation.Text, inputWave.WaveFormat, LAMEPreset.MEDIUM,
tag))
{
inputWave.CopyTo(writer);
}
}
private void splitMp3(string trackPath, int startPos, int endPos, MediaFoundationReader reader, ID3TagData tagData)
{
int progress = 0;
using (var writer = new NAudio.Lame.LameMP3FileWriter(trackPath, reader.WaveFormat, NAudio.Lame.LAMEPreset.V3, tagData))
{
reader.Position = startPos;
byte[] buffer = new byte[1024];
while (reader.Position < endPos)
{
int bytesRequired = (int)(endPos - reader.Position);
if (bytesRequired > 0)
{
int bytesToRead = Math.Min(bytesRequired, buffer.Length);
int bytesRead = reader.Read(buffer, 0, bytesToRead);
if (bytesRead > 0)
{
writer.Write(buffer, 0, bytesRead);
progress += bytesRead;
}
}
}
}
}
