public void ReadTest() { Assert.AreEqual(-1L, pipe.Length, "CUETools.Codecs.WAVReader.Length did not return the expected value."); AudioBuffer buff = new AudioBuffer(pipe, 54); int actual = pipe.Read(buff, -1); Assert.AreEqual(53, actual, "CUETools.Codecs.WAVReader.Read did not return the expected value."); Assert.AreEqual(actual, buff.Length, "CUETools.Codecs.WAVReader.Read did not return the expected value."); CollectionAssert.AreEqual(pipeSamples, buff.Samples, "AudioBuffer.Samples was not set correctly."); actual = pipe.Read(buff, -1); Assert.AreEqual(0, actual, "CUETools.Codecs.WAVReader.Read did not return the expected value."); }
private static Hashtable Initialize(string fileName) { string _wav = _dir + "\\files\\" + fileName + ".wav"; string _flac = _dir + "\\files\\temporary.flac"; int sampleRate = 0; IAudioSource audioSource = new WAVReader(_wav, null); AudioBuffer buff = new AudioBuffer(audioSource, 0x10000); FlakeWriter flakewriter = new FlakeWriter(_flac, audioSource.PCM); sampleRate = audioSource.PCM.SampleRate; while (audioSource.Read(buff, -1) != 0) { flakewriter.Write(buff); } flakewriter.Close(); int _sample = sampleRate; Hashtable Response = new Hashtable(); Response.Add("wav_name", _wav); Response.Add("flac_name", _flac); Response.Add("sample_rate", _sample); return(Response); }
private byte[] Wav2FlacBuffConverter(byte[] Buffer) { Stream OutWavStream = new MemoryStream(); Stream OutFlacStream = new MemoryStream(); AudioPCMConfig pcmconf = new AudioPCMConfig(SAMPLE_ENCODING, CHANELS, RATE); WAVWriter wr = new WAVWriter(null, OutWavStream, pcmconf); wr.Write(new AudioBuffer(pcmconf, Buffer, Buffer.Length / 2)); OutWavStream.Seek(0, SeekOrigin.Begin); WAVReader audioSource = new WAVReader(null, OutWavStream); if (audioSource.PCM.SampleRate != RATE) { return(null); } AudioBuffer buff = new AudioBuffer(audioSource, 0x10000); FlakeWriter flakeWriter = new FlakeWriter(null, OutFlacStream, audioSource.PCM); flakeWriter.CompressionLevel = 8; while (audioSource.Read(buff, -1) != 0) { flakeWriter.Write(buff); } OutFlacStream.Seek(0, SeekOrigin.Begin); byte[] barr = new byte[OutFlacStream.Length]; OutFlacStream.Read(barr, 0, (int)OutFlacStream.Length); return(barr); }
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 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(); } } }
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> public static int Wav2Flac(Stream wavStream, Stream flacStream) { int sampleRate = 0; IAudioSource audioSource = new WAVReader(null, wavStream); AudioBuffer buff = new AudioBuffer(audioSource, 0x10000); FlakeWriter flakewriter = new FlakeWriter(null, flacStream, audioSource.PCM); sampleRate = audioSource.PCM.SampleRate; FlakeWriter audioDest = flakewriter; while (audioSource.Read(buff, -1) != 0) { audioDest.Write(buff); } return(sampleRate); }
/// <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> Конвертирование wav-файла во flac </summary> /// <returns>Частота дискретизации</returns> public static int Wav2Flac(String wavName, string flacName) { int sampleRate = 0; IAudioSource audioSource = new WAVReader(wavName, null); AudioBuffer buff = new AudioBuffer(audioSource, 0x10000); FlakeWriter flakewriter = new FlakeWriter(flacName, audioSource.PCM); sampleRate = audioSource.PCM.SampleRate; FlakeWriter audioDest = flakewriter; while (audioSource.Read(buff, -1) != 0) { audioDest.Write(buff); } audioDest.Close(); audioDest.Close(); return(sampleRate); }
/// <summary> /// Converts .wav to .flac and returns sample rate via CUETools. /// </summary> /// <param name="wavFilePath">Full path to the .wav file.</param> /// <param name="flacFilePath">Full path to the .flac file.</param> /// <returns>Returns sample rate of the .flac file.</returns> public static int ConvertWavToFlac(String wavFilePath, String flacFilePath) { int sampleRate = 0; IAudioSource audioSource = new WAVReader(wavFilePath, null); AudioBuffer buff = new AudioBuffer(audioSource, 0x10000); FlakeWriter flakewriter = new FlakeWriter(flacFilePath, audioSource.PCM); sampleRate = audioSource.PCM.SampleRate; FlakeWriter audioDest = flakewriter; while (audioSource.Read(buff, -1) != 0) { audioDest.Write(buff); } audioDest.Close(); //TODO: Check - maybe it should be flakewriter.Close(); audioDest.Close(); return(sampleRate); }
private byte[] Wav2FlacBuffConverter(byte[] Buffer) { AudioPCMConfig pcmconf = new AudioPCMConfig(16, 1, 16000); if (flakeWriter == null) { OutFlacStream = new MemoryStream(); flakeWriter = new FlakeWriter(null, OutFlacStream, pcmconf); flakeWriter.Padding = 0; } Stream OutWavStream = new MemoryStream(); WAVWriter wr = new WAVWriter(null, OutWavStream, pcmconf); wr.Write(new AudioBuffer(pcmconf, Buffer, Buffer.Length / 2)); OutWavStream.Seek(0, SeekOrigin.Begin); WAVReader audioSource = new WAVReader(null, OutWavStream); if (audioSource.PCM.SampleRate != 16000) { return(null); } AudioBuffer buff = new AudioBuffer(audioSource, Buffer.Length); flakeWriter.CompressionLevel = 8; while (audioSource.Read(buff, -1) != 0) { flakeWriter.Write(buff); } OutFlacStream.Seek(0, SeekOrigin.Begin); byte[] barr = new byte[OutFlacStream.Length]; OutFlacStream.Read(barr, 0, (int)OutFlacStream.Length); return(barr); }
/// <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 }