private void convert()
{
using (var reader = new WaveFileReader(path + rawFile))
{
var newFormat = new NAudio.Wave.WaveFormat(16000, 16, 1);
using (var conversionStream = new WaveFormatConversionStream(newFormat, reader))
{
WaveFileWriter.CreateWaveFile(path + wavFile, conversionStream);
}
}
if (!File.Exists(path + wavFile))
{
Console.WriteLine("wav file no!");
}
else
{
using (FileStream sourceStream = new FileStream(path + wavFile, FileMode.Open))
{
WAVReader audioSource = new WAVReader(path + wavFile, sourceStream);
AudioBuffer buff = new AudioBuffer(audioSource, 0x10000);
FlakeWriter flakeWriter = new FlakeWriter(path + flacFile, audioSource.PCM);
flakeWriter.CompressionLevel = 8;
while (audioSource.Read(buff, -1) != 0)
{
flakeWriter.Write(buff);
}
flakeWriter.Close();
audioSource.Close();
}
}
}
public void MyTestCleanup()
{
pipe.Close();
pipe = null;
wave.Close();
wave = null;
}
private void ConvertToFlac(Stream sourceStream)
{
var audioSource = new WAVReader(null, sourceStream);
try
{
if (audioSource.PCM.SampleRate != 44100)
{
throw new InvalidOperationException("Incorrect frequency - WAV file must be at 44.1 KHz.");
}
var buff = new AudioBuffer(audioSource, 0x10000);
var flakeWriter = new FlakeWriter(@"lol.flac", audioSource.PCM);
flakeWriter.CompressionLevel = 8;
while (audioSource.Read(buff, -1) != 0)
{
flakeWriter.Write(buff);
}
flakeWriter.Close();
}
finally
{
audioSource.Close();
//richTextBox1.Text += "Koniec Konwersji\n";
}
}
private static Tuple <int, string> WavToFlacHelper(WAVReader audioSource, string targetFlacPath)
{
int sampleRate;
AudioBuffer buffer = new AudioBuffer(audioSource, 0x10000);
FlakeWriterSettings settings = new FlakeWriterSettings();
settings.PCM = audioSource.PCM;
FlakeWriter audioDestination = new FlakeWriter(targetFlacPath, settings);
while (audioSource.Read(buffer, -1) != 0)
{
audioDestination.Write(buffer);
}
sampleRate = settings.PCM.SampleRate;
audioDestination.Close();
audioSource.Close();
return(new Tuple <int, string>(sampleRate, targetFlacPath));
}
/// <summary>Конвертирование wav-файла во flac</summary>
/// <returns>Частота дискретизации</returns>
private static void _Wav2Flac(String wavName, string flacName)
{
Debug.Assert(wavName != null);
Debug.Assert(!string.IsNullOrEmpty(flacName));
IAudioSource audioSource = new WAVReader(wavName, null);
AudioBuffer buff = new AudioBuffer(audioSource, 0x10000);
FlakeWriter flakewriter = new FlakeWriter(flacName, audioSource.PCM);
FlakeWriter audioDest = flakewriter;
while (audioSource.Read(buff, -1) != 0)
{
audioDest.Write(buff);
}
audioDest.Close();
audioSource.Close();
}
public static string WavStreamToGoogle(Stream stream)
{
FlakeWriter audioDest = null;
IAudioSource audioSource = null;
string answer;
try
{
var outStream = new MemoryStream();
stream.Position = 0;
audioSource = new WAVReader("", stream);
var buff = new AudioBuffer(audioSource, 0x10000);
audioDest = new FlakeWriter("", outStream, audioSource.PCM);
var sampleRate = audioSource.PCM.SampleRate;
while (audioSource.Read(buff, -1) != 0)
{
audioDest.Write(buff);
}
answer = GoogleRequest(outStream, sampleRate);
}
finally
{
if (audioDest != null)
{
audioDest.Close();
}
if (audioSource != null)
{
audioSource.Close();
}
}
return(answer);
}
private void ConvertToFlac(Stream sourceStream, Stream destinationStream)
{
var audioSource = new WAVReader(null, sourceStream);
try {
if (audioSource.PCM.SampleRate != 16000)
{
throw new InvalidOperationException("Incorrect frequency - WAV file must be at 16 KHz.");
}
var buff = new AudioBuffer(audioSource, 0x10000);
var flakeWriter = new FlakeWriter(null, destinationStream, audioSource.PCM);
//flakeWriter.CompressionLevel = 8;
while (audioSource.Read(buff, -1) != 0)
{
flakeWriter.Write(buff);
}
flakeWriter.Close();
}
finally {
audioSource.Close();
}
}
/// <summary>
/// Convert .wav file to .flac file with the same name
/// </summary>
/// <param name="WavName">path to .wav file</param>
/// <returns>Sample Rate of converted .flac</returns>
public static int Wav2Flac(string WavName)
{
int sampleRate;
var flacName = Path.ChangeExtension(WavName, "flac");
FlakeWriter audioDest = null;
IAudioSource audioSource = null;
try
{
audioSource = new WAVReader(WavName, null);
AudioBuffer buff = new AudioBuffer(audioSource, 0x10000);
audioDest = new FlakeWriter(flacName, audioSource.PCM);
sampleRate = audioSource.PCM.SampleRate;
while (audioSource.Read(buff, -1) != 0)
{
audioDest.Write(buff);
}
}
finally
{
if (audioDest != null)
{
audioDest.Close();
}
if (audioSource != null)
{
audioSource.Close();
}
}
return(sampleRate);
}
static void Main(string[] args)
{
Console.SetOut(Console.Error);
Console.WriteLine("LossyWAV {0}, Copyright (C) 2007,2008 Nick Currie, Copyleft.", LossyWAVWriter.version_string);
Console.WriteLine("C# port Copyright (C) 2008 Grigory Chudov.");
Console.WriteLine("This is free software under the GNU GPLv3+ license; There is NO WARRANTY, to");
Console.WriteLine("the extent permitted by law. <http://www.gnu.org/licenses/> for details.");
if (args.Length < 1 || (args[0].StartsWith("-") && args[0] != "-"))
{
Usage();
return;
}
string sourceFile = args[0];
string stdinName = null;
double quality = 5.0;
bool createCorrection = false;
bool toStdout = false;
int outputBPS = 0;
for (int arg = 1; arg < args.Length; arg++)
{
bool ok = true;
if (args[arg] == "-I" || args[arg] == "--insane")
{
quality = 10;
}
else if (args[arg] == "-E" || args[arg] == "--extreme")
{
quality = 7.5;
}
else if (args[arg] == "-S" || args[arg] == "--standard")
{
quality = 5.0;
}
else if (args[arg] == "-P" || args[arg] == "--portable")
{
quality = 2.5;
}
else if (args[arg] == "-C" || args[arg] == "--correction")
{
createCorrection = true;
}
else if (args[arg] == "--16")
{
outputBPS = 16;
}
else if ((args[arg] == "-N" || args[arg] == "--stdinname") && ++arg < args.Length)
{
stdinName = args[arg];
}
else if ((args[arg] == "-q" || args[arg] == "--quality") && ++arg < args.Length)
{
ok = double.TryParse(args[arg], out quality);
}
else if (args[arg] == "--stdout")
{
toStdout = true;
}
else
{
ok = false;
}
if (!ok)
{
Usage();
return;
}
}
DateTime start = DateTime.Now;
TimeSpan lastPrint = TimeSpan.FromMilliseconds(0);
#if !DEBUG
try
#endif
{
WAVReader audioSource = new WAVReader(sourceFile, (sourceFile == "-" ? Console.OpenStandardInput() : null));
if (sourceFile == "-" && stdinName != null)
{
sourceFile = stdinName;
}
AudioPCMConfig pcm = outputBPS == 0 ? audioSource.PCM : new AudioPCMConfig(outputBPS, audioSource.PCM.ChannelCount, audioSource.PCM.SampleRate, audioSource.PCM.ChannelMask);
WAVWriter audioDest = new WAVWriter(Path.ChangeExtension(sourceFile, ".lossy.wav"), toStdout ? Console.OpenStandardOutput() : null, new WAVWriterSettings(pcm));
WAVWriter lwcdfDest = createCorrection ? new WAVWriter(Path.ChangeExtension(sourceFile, ".lwcdf.wav"), null, new WAVWriterSettings(audioSource.PCM)) : null;
LossyWAVWriter lossyWAV = new LossyWAVWriter(audioDest, lwcdfDest, quality, new AudioEncoderSettings(audioSource.PCM));
AudioBuffer buff = new AudioBuffer(audioSource, 0x10000);
Console.WriteLine("Filename : {0}", sourceFile);
Console.WriteLine("File Info : {0}kHz; {1} channel; {2} bit; {3}", audioSource.PCM.SampleRate, audioSource.PCM.ChannelCount, audioSource.PCM.BitsPerSample, TimeSpan.FromSeconds(audioSource.Length * 1.0 / audioSource.PCM.SampleRate));
lossyWAV.FinalSampleCount = audioSource.Length;
while (audioSource.Read(buff, -1) != 0)
{
lossyWAV.Write(buff);
TimeSpan elapsed = DateTime.Now - start;
if ((elapsed - lastPrint).TotalMilliseconds > 60)
{
Console.Error.Write("\rProgress : {0:00}%; {1:0.0000} bits; {2:0.00}x; {3}/{4}",
100.0 * audioSource.Position / audioSource.Length,
1.0 * lossyWAV.OverallBitsRemoved / audioSource.PCM.ChannelCount / lossyWAV.BlocksProcessed,
lossyWAV.SamplesProcessed / elapsed.TotalSeconds / audioSource.PCM.SampleRate,
elapsed,
TimeSpan.FromMilliseconds(elapsed.TotalMilliseconds / lossyWAV.SamplesProcessed * audioSource.Length)
);
lastPrint = elapsed;
}
}
TimeSpan totalElapsed = DateTime.Now - start;
Console.Error.Write("\r \r");
Console.WriteLine("Results : {0:0.0000} bits; {1:0.00}x; {2}",
(1.0 * lossyWAV.OverallBitsRemoved) / audioSource.PCM.ChannelCount / lossyWAV.BlocksProcessed,
lossyWAV.SamplesProcessed / totalElapsed.TotalSeconds / audioSource.PCM.SampleRate,
totalElapsed
);
audioSource.Close();
lossyWAV.Close();
}
#if !DEBUG
catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine("Error: {0}", ex.Message);
//Console.WriteLine("{0}", ex.StackTrace);
}
#endif
}