本文整理汇总了C#中NAudio.Wave.Mp3FileReader.Read方法的典型用法代码示例。如果您正苦于以下问题：C# Mp3FileReader.Read方法的具体用法？C# Mp3FileReader.Read怎么用？C# Mp3FileReader.Read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NAudio.Wave.Mp3FileReader的用法示例。
在下文中一共展示了Mp3FileReader.Read方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CanLoadAndReadVariousProblemMp3Files
public void CanLoadAndReadVariousProblemMp3Files()
{
string testDataFolder = @"C:\Users\Mark\Downloads\NAudio";
if (!Directory.Exists(testDataFolder))
{
Assert.Ignore("{0} not found", testDataFolder);
}
foreach (string file in Directory.GetFiles(testDataFolder, "*.mp3"))
{
string mp3File = Path.Combine(testDataFolder, file);
Debug.WriteLine(String.Format("Opening {0}", mp3File));
using (var reader = new Mp3FileReader(mp3File))
{
byte[] buffer = new byte[4096];
int bytesRead;
int total = 0;
do
{
bytesRead = reader.Read(buffer, 0, buffer.Length);
total += bytesRead;
} while (bytesRead > 0);
Debug.WriteLine(String.Format("Read {0} bytes", total));
}
}
}示例2: GetNextChunk
public double[][] GetNextChunk(int samplesDesired, Mp3FileReader fr, bool fullnormalize = false)
{
byte[] buffer = new byte[samplesDesired * 4];
short[] left = new short[samplesDesired];
//short[] right = new short[samplesDesired];
double[] leftd = new double[samplesDesired];
//double[] rightd = new double[samplesDesired];
int bytesRead = 0;
try
{
bytesRead = fr.Read(buffer, 0, 4 * samplesDesired);
}
catch
{
new Exception("An error occurred while reading file");
}
int index = 0;
for (int sample = 0; sample < bytesRead / 4; sample++)
{
left[sample] = BitConverter.ToInt16(buffer, index); index += 2;
//right[sample] = BitConverter.ToInt16(buffer, index);
index += 2;
}
if (fullnormalize)
leftd = Utilities.NormalizeFull(ref left, left.Length);
else
leftd = Utilities.Normalize(ref left, left.Length);
return new double[][] { leftd, null }; //rightd };
}示例3: mp3Processor
public mp3Processor(string file)
{
buf = new byte[maxLen];
WaveStream mp3Reader = new Mp3FileReader(file);
int read = mp3Reader.Read(buf, 0, buf.Length);
len = read;
}示例4: getByteArray
public static byte[] getByteArray(string file, ref int len, ref int channels)
{
byte[] buf = new byte[maxLen];
WaveStream mp3Reader = new Mp3FileReader(file);
channels = mp3Reader.WaveFormat.Channels;
int read = mp3Reader.Read(buf, 0, buf.Length);
len = read;
return buf;
}示例5: MakeSnaps
public bool MakeSnaps(int _snapsize, int _snapcount, string _path, int smooth_size)
{
try
{
using (Mp3FileReader pcm = new Mp3FileReader(_path))
{
int samplesDesired = _snapsize;
int blockscount = _snapcount;
snap_size = _snapsize;
snap_count = _snapcount;
total_samples = pcm.Length;
length = pcm.TotalTime.Seconds;
path = _path;
if ((pcm.WaveFormat.SampleRate != 44100) || (pcm.WaveFormat.BitsPerSample != 16))
return false;
for (int i = 0; i < blockscount; i++)
{
byte[] buffer = new byte[samplesDesired * 4];
short[] left = new short[samplesDesired];
short[] right = new short[samplesDesired];
double[] leftd = new double[samplesDesired];
double[] rightd = new double[samplesDesired];
int bytesRead = 0;
//for (int j = 0; j < 1; j++) ///////////
int seek_counter = 0;
seek: pcm.Seek((i + 1) * (i + 1) * (i + 1) * blockscount * samplesDesired % (total_samples - samplesDesired), SeekOrigin.Begin);
seek_counter++;
bytesRead = pcm.Read(buffer, 0, 4 * samplesDesired);
int index = 0;
for (int sample = 0; sample < bytesRead / 4; sample++)
{
left[sample] = BitConverter.ToInt16(buffer, index); index += 2;
right[sample] = BitConverter.ToInt16(buffer, index); index += 2;
}
if (left.Average(t => Math.Abs(t)) == 0)
if (seek_counter > 5)
return false;
else
goto seek;
//snap_log10_energy.Add(Math.Log10(left.Average(t => Math.Abs(t))));
leftd = Normalize(left, left.Length);
rightd = Normalize(right, right.Length);
//alglib.complex[] fl;
//alglib.fftr1d(leftd, out fl);
//fl[0].x;
FourierTransformer ft = new FourierTransformer(samplesDesired);
var xxa = new Complex[leftd.Length];
for (int j = 0; j < leftd.Length; j++)
xxa[j] = new Complex(leftd[j], rightd[j]);
var ftt = ft.Transform(xxa);
List<double> pow_re_im = new List<double>();
//List<double> arg_re_im = new List<double>();
ftt.ToList().ForEach(t => pow_re_im.Add(ComplexMath.Abs(t)));
//ftt.ToList().ForEach(t => arg_re_im.Add(ComplexMath.Arg(t)));
/*if (Double.IsNaN(MC_Log10_Energy(pow_re_im)))
if (seek_counter > 5)
return false;
else
goto seek;*/
fft_snaps.Add(pow_re_im);
//fft_smoothed_snaps.Add(Smoothen(pow_re_im, smooth_size));
//pow_re_im = Normalize(pow_re_im);
/*
var f_pwri = pow_re_im.Average(t => Math.Abs(t));
for (int k = 0; k < pow_re_im.Count; k++)
pow_re_im[k] = (Math.Abs(pow_re_im[k]) >= f_pwri * 1.5) ? pow_re_im[k] : 0;
*/
/*
FourierTransformer ft2 = new FourierTransformer(samplesDesired);
var xx2 = new List<Complex>();
for (int j = 0; j < pow_re_im.Count; j++)
{
xx2.Add(new Complex(pow_re_im[j], arg_re_im[j]));
}
var ftt2 = ft2.Transform(xx2);
//var ftt2 = ft2.Transform(ftt);
List<double> pow_re_im2 = new List<double>();
ftt2.ToList().ForEach(t => pow_re_im2.Add(ComplexMath.Abs(t)));
//.........这里部分代码省略.........
示例6: PlayAudioFile
private static byte[] PlayAudioFile(string substring)
{
//return File.ReadAllBytes(substring);
Console.WriteLine("Playing...");
Stream inputStream = new MemoryStream(File.ReadAllBytes(substring));
inputStream.Seek(0, SeekOrigin.Begin);
Stream outputStream = new MemoryStream();
byte[] bytes = new byte[inputStream.Length];
string path = @"C:\temp";
string wavFile = @"C:\temp\tempWav.wav";
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
if (File.Exists(wavFile))
File.Delete(wavFile);
using (var reader = new Mp3FileReader(substring))
{
using (var writer = new WaveFileWriter(wavFile, new WaveFormat()))
{
var buf = new byte[4096];
for (; ; )
{
var cnt = reader.Read(buf, 0, buf.Length);
if (cnt == 0) break;
writer.Write(buf, 0, cnt);
}
}
}
//SoundPlayer p = new SoundPlayer(wavFile);
//p.Play();
return File.ReadAllBytes(wavFile);
}示例7: ConvertMp3ToWav
/// <summary>
/// Convert a MP3 file to a Wav file
/// </summary>
/// <param name="mp3FilePath"></param>
/// <param name="wavFilePath"></param>
public static void ConvertMp3ToWav(string mp3FilePath, string wavFilePath)
{
using (var reader = new Mp3FileReader(mp3FilePath)) {
using (var writer = new WaveFileWriter(wavFilePath, new WaveFormat())) {
byte[] buffer = new byte[16*1024];
for (;;) {
int bytes = reader.Read(buffer, 0, buffer.Length);
if (bytes == 0) break;
writer.Write(buffer, 0, bytes);
}
}
}
}