static async Task <bool> To_MP3(int File_Number, string To_Dir, bool IsFromFileDelete)
{
if (!File.Exists(From_Files[File_Number]))
{
return(false);
}
try
{
string To_Audio_File = To_Dir + "\\" + Path.GetFileNameWithoutExtension(From_Files[File_Number]) + ".mp3";
await Task.Run(() =>
{
string Ex = Path.GetExtension(From_Files[File_Number]);
if (Ex == ".ogg")
{
using (NAudio.Vorbis.VorbisWaveReader reader = new NAudio.Vorbis.VorbisWaveReader(From_Files[File_Number]))
using (LameMP3FileWriter wtr = new LameMP3FileWriter(To_Audio_File, reader.WaveFormat, 128))
reader.CopyTo(wtr);
}
else if (Ex == ".wav")
{
using (WaveFileReader reader = new WaveFileReader(From_Files[File_Number]))
using (LameMP3FileWriter wtr = new LameMP3FileWriter(To_Audio_File, reader.WaveFormat, 128))
reader.CopyTo(wtr);
}
else if (Ex == ".flac")
{
using (NAudio.Flac.FlacReader reader = new NAudio.Flac.FlacReader(From_Files[File_Number]))
using (LameMP3FileWriter wtr = new LameMP3FileWriter(To_Audio_File, reader.WaveFormat, 128))
reader.CopyTo(wtr);
}
else if (Ex == ".aac" || Ex == ".wma" || Ex == ".mp4" || Ex == ".webm")
{
using (MediaFoundationReader reader = new MediaFoundationReader(From_Files[File_Number]))
using (LameMP3FileWriter wtr = new LameMP3FileWriter(To_Audio_File, reader.WaveFormat, 128))
reader.CopyTo(wtr);
}
else
{
Un4seen.Bass.Misc.EncoderLAME mc = new Un4seen.Bass.Misc.EncoderLAME(0);
mc.EncoderDirectory = Voice_Set.Special_Path + "/Encode_Mp3";
mc.InputFile = From_Files[File_Number];
mc.OutputFile = To_Audio_File;
mc.LAME_Bitrate = (int)Un4seen.Bass.Misc.EncoderLAME.BITRATE.kbps_160;
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);
}
if (IsFromFileDelete)
{
File.Delete(From_Files[File_Number]);
}
});
}
catch
{
return(false);
}
return(true);
}
public static TimeSpan GetFileDurationFlac(string file)
{
using (var fs = File.OpenRead(file))
using (var reader = new NAudio.Flac.FlacReader(fs))
{
return reader.TotalTime;
}
}
public static byte[] Flac_to_wav(string fil_n, byte ch, out byte[] mono)
{
byte[] mono2 = null;
Task a = Task.Run(() =>
{
WaveFormat format = new WaveFormat(48000, 16, 1);
try
{
using (NAudio.Flac.FlacReader reader = new NAudio.Flac.FlacReader(fil_n))
{
using (WaveFormatConversionStream stream = new WaveFormatConversionStream(format, reader))
{
mono2 = new byte[stream.Length];
stream.Read(mono2, 0, mono2.Length);
}
}
}
catch (Exception) { }
});
byte[] buffer = null;
try
{
WaveFormat format = new WaveFormat(48000, 16, ch);
using (NAudio.Flac.FlacReader reader = new NAudio.Flac.FlacReader(fil_n))
{
using (WaveFormatConversionStream stream = new WaveFormatConversionStream(format, reader))
{
buffer = new byte[stream.Length];
stream.Read(buffer, 0, buffer.Length);
}
}
}
catch (Exception) { }
a.Wait();
mono = mono2;
return(buffer);
}
static async Task <bool> To_WAV(int File_Number, string To_Dir, bool IsFromFileDelete, bool IsUseFFmpeg, bool IsUseBass)
{
if (!File.Exists(From_Files[File_Number]))
{
return(false);
}
if (IsUseFFmpeg)
{
if (IsUseBass)
{
string To_Audio_File = To_Dir + "\\" + Path.GetFileNameWithoutExtension(From_Files[File_Number]) + ".wav";
Un4seen.Bass.Misc.EncoderWAV w = new Un4seen.Bass.Misc.EncoderWAV(0);
w.InputFile = From_Files[File_Number];
w.OutputFile = To_Audio_File;
w.WAV_BitsPerSample = 24;
w.Start(null, IntPtr.Zero, false);
w.Stop();
if (IsFromFileDelete)
{
File.Delete(From_Files[File_Number]);
}
}
else
{
string Encode_Style = "-y -vn -ac 2 -ar 44100 -acodec pcm_s24le -f wav";
StreamWriter stw = File.CreateText(Voice_Set.Special_Path + "/Encode_Mp3/Audio_Encode" + File_Number + ".bat");
stw.WriteLine("chcp 65001");
stw.Write("\"" + Voice_Set.Special_Path + "/Encode_Mp3/ffmpeg.exe\" -i \"" + From_Files[File_Number] + "\" " + Encode_Style + " \"" + To_Dir + "\\" +
Path.GetFileNameWithoutExtension(From_Files[File_Number]) + ".wav\"");
stw.Close();
ProcessStartInfo processStartInfo = new ProcessStartInfo
{
FileName = Voice_Set.Special_Path + "/Encode_Mp3/Audio_Encode" + File_Number + ".bat",
CreateNoWindow = true,
UseShellExecute = false
};
Process p = Process.Start(processStartInfo);
await Task.Run(() =>
{
p.WaitForExit();
if (IsFromFileDelete)
{
File.Delete(From_Files[File_Number]);
}
File.Delete(Voice_Set.Special_Path + "/Encode_Mp3/Audio_Encode" + File_Number + ".bat");
});
}
}
else if (IsUseBass)
{
string To_Audio_File = To_Dir + "\\" + Path.GetFileNameWithoutExtension(From_Files[File_Number]) + ".wav";
Un4seen.Bass.Misc.EncoderWAV w = new Un4seen.Bass.Misc.EncoderWAV(0);
w.InputFile = From_Files[File_Number];
w.OutputFile = To_Audio_File;
w.WAV_BitsPerSample = 24;
w.Start(null, IntPtr.Zero, false);
w.Stop();
if (IsFromFileDelete)
{
File.Delete(From_Files[File_Number]);
}
}
else
{
int Number = 0;
string To_Audio_File = To_Dir + "\\" + Path.GetFileNameWithoutExtension(From_Files[File_Number]) + ".wav";
await Task.Run(() =>
{
start:
try
{
string Ex = Path.GetExtension(From_Files[File_Number]);
if (Ex == ".ogg")
{
using (NAudio.Vorbis.VorbisWaveReader reader = new NAudio.Vorbis.VorbisWaveReader(From_Files[File_Number]))
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
WaveFileWriter.CreateWaveFile(To_Audio_File, pcmStream);
}
else if (Ex == ".mp3")
{
using (NAudio.Wave.Mp3FileReader reader = new NAudio.Wave.Mp3FileReader(From_Files[File_Number]))
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
WaveFileWriter.CreateWaveFile(To_Audio_File, pcmStream);
}
else if (Ex == ".flac")
{
using (NAudio.Flac.FlacReader reader = new NAudio.Flac.FlacReader(From_Files[File_Number]))
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
WaveFileWriter.CreateWaveFile(To_Audio_File, pcmStream);
}
else if (Ex == ".aac" || Ex == ".wma" || Ex == ".mp4")
{
using (MediaFoundationReader reader = new MediaFoundationReader(From_Files[File_Number]))
WaveFileWriter.CreateWaveFile(To_Audio_File, reader);
}
else if (Ex == ".wav")
{
using (WaveFileReader reader = new WaveFileReader(From_Files[File_Number]))
using (WaveStream pcmStream = WaveFormatConversionStream.CreatePcmStream(reader))
WaveFileWriter.CreateWaveFile(To_Audio_File, pcmStream);
}
if (IsFromFileDelete)
{
File.Delete(From_Files[File_Number]);
}
}
catch (Exception e)
{
if (Number < 4)
{
Number++;
//goto文...許してください...
goto start;
}
else
{
Sub_Code.Error_Log_Write(e.Message);
}
}
});
}
return(true);
}