// function that converts an audio file into mono 8-bit PCM, at the current sampling rate
private void formatAudio(String filePath, float audioAmplify, int samplingRate)
{
// convert to mono
var ir = new AudioFileReader(filePath);
try
{
var mono = new StereoToMonoSampleProvider(ir);
mono.LeftVolume = 0.0f;
mono.RightVolume = audioAmplify;
var resampler = new WdlResamplingSampleProvider(mono, samplingRate);
WaveFileWriter.CreateWaveFile16("temp.wav", resampler);
ir.Close();
} catch (System.ArgumentException)
{
var resampler = new WdlResamplingSampleProvider(ir, samplingRate);
WaveFileWriter.CreateWaveFile16("temp.wav", resampler);
ir.Close();
}
//File.Delete("temp.wav");
}
public void Reset()
{
if (reader == null)
{
return;
}
if (player.PlaybackState != PlaybackState.Stopped)
{
player.Stop();
}
reader.Close();
reader = null;
tmrRefresh.Stop();
}
private void button4_Click(object sender, EventArgs e) //next track
{
waveOutDevice.Stop();
audioFileReader.Close();
if ((trackNumber + 1) < paths.Count)
{
trackNumber++;
}
else
{
trackNumber = 0;
}
playTrack();
}
public void API(string filePath)
{
AudioFileReader audioFile = null;
WaveOutEvent outputDevice = null;
try
{
audioFile = new AudioFileReader(filePath);
outputDevice = new WaveOutEvent();
outputDevice.Init(audioFile);
outputDevice.Play();
Console.ReadKey(true);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
finally
{
outputDevice.Stop();
outputDevice.Dispose();
audioFile.Close();
audioFile.Dispose();
}
}
public void PlayOneSong()
{
AudioFileReader audioFile = null;
WaveOutEvent outputDevice = null;
try
{
string audioFilePath = @"C:\Users\DJTom\OneDrive\Plocha\20201007_hodina\SongsAndVotesSol\Resources\Peter_Nemec_-_Future_Life_OFFICIAL_LYRICS_VIDEO_1.mp3";
audioFile = new AudioFileReader(audioFilePath);
outputDevice = new WaveOutEvent();
outputDevice.Init(audioFile);
outputDevice.Play();
Console.ReadKey(true);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.ReadKey(true);
}
finally
{
if (outputDevice != null)
{
outputDevice.Stop();
outputDevice.Dispose();
}
if (audioFile != null)
{
audioFile.Close();
audioFile.Dispose();
}
}
}
private void MixTwoSamples()
{
while (writer == null && RecordedAudioWriter == null)
{
}
Thread.Sleep(1000);
MicFileReader = new AudioFileReader(saveDirectory.SelectedPath + "\\" + micRecordFIleName);
SpeakerFileReader = new AudioFileReader(saveDirectory.SelectedPath + "\\" + playBackRecordFileName);
WaveMixerStream32 mixer = new WaveMixerStream32();
mixer.AddInputStream(MicFileReader);
mixer.AddInputStream(SpeakerFileReader);
WaveFileWriter.CreateWaveFile(saveDirectory.SelectedPath + "\\" + "result.wav", mixer);
MicFileReader.Close();
MicFileReader.Dispose();
MicFileReader = null;
SpeakerFileReader.Close();
SpeakerFileReader.Dispose();
SpeakerFileReader = null;
}
/// <summary>
/// 获取时间戳
/// </summary>
/// <param name="sound_path"></param>
/// <param name="word_path"></param>
/// <param name="language"></param>
/// <param name="splitTime"></param>
public void GetTimeSpan(string sound_path, string word_path, string language, double splitTime = 1.5)
{
var inputStream = new AudioFileReader(sound_path);
try
{
if (sound_path.Contains(".mp3"))
{
sound_path = NAudioHelper.GetWavPath(sound_path);
}
WAVReader reader = new WAVReader();
reader.GetTimeSpan(sound_path, out voicePoint, out voiceMilliSecond, splitTime);
if (voicePoint.Count % 2 != 0)//voicePoint是为了截取小音频
{
voicePoint.Add(inputStream.TotalTime);
}
int _name = 1;//命名
for (int i = 0; i < voicePoint.Count; i += 2)
{
GetBaiduSpeech(voicePoint[i], voicePoint[i + 1], sound_path, _name, language, splitTime);
++_name;
}
//开始比对
//获取文档内容
CompareText(word_path, language);
//通过时间戳集合去匹配路径与歌词文本（百度不准）
for (int i = 0; i < voiceMilliSecond.Count; i++)
{
MusicResult result = new MusicResult();
result.timeSpan = voiceMilliSecond[i];
string url = voiceFiles[i];
if (url == "") //上传失败，重新上传
{
string fileName = Path.GetFileNameWithoutExtension(sound_path) + i + ".wav"; //重命名文件
string newFolder = System.AppDomain.CurrentDomain.BaseDirectory + "NewSoundFiles/" + Path.GetFileNameWithoutExtension(sound_path) + "/";
string newFile = newFolder + fileName;
//绝对路径
string path_absolute = context.Server.MapPath("/NewSoundFiles/" + Path.GetFileNameWithoutExtension(sound_path) + "/" + fileName);
result.fileUrl = UploadFile.PostFile(path_absolute);
}
else
{
result.fileUrl = i < voiceFiles.Count ? voiceFiles[i] : "";
}
result.text = i < baiduText.Count ? baiduText[i] : "未匹配上字符串";
return_list.Add(result);
}
}
catch (Exception ex)
{
LogHelper.Error(ex.Message);
}
finally
{
inputStream.Close();
inputStream.Dispose();
isFinish = true;
}
}
/// <summary>
/// 截取音频后，对每个小音频获语音转文字
/// </summary>
/// <param name="startMilliSecond">开始时间戳</param>
/// <param name="endMilliSecond">结束时间戳</param>
/// <param name="reader">音频流</param>
/// <param name="i">用于创建新的文件</param>
/// <param name="language">语言（zh，en）</param>
/// <param name="splitTime">时间间隔</param>
private void GetBaiduSpeech1(TimeSpan startMilliSecond, TimeSpan endMilliSecond, string sound_path, int i, string language, double splitTime)
{
try
{
var reader = new AudioFileReader(sound_path);
//开始时间往前取startMilliSecond一半的偏移，结束时间往后取间隔时间的一半的偏移
if (i == 0)
{
startMilliSecond = startMilliSecond - TimeSpan.FromMilliseconds(startMilliSecond.TotalMilliseconds / 2);
}
else
{
startMilliSecond = startMilliSecond - TimeSpan.FromMilliseconds(splitTime / 2);
}
if (endMilliSecond < reader.TotalTime)//最后一次不用取偏移
{
endMilliSecond = endMilliSecond + TimeSpan.FromMilliseconds(splitTime / 2);
}
TimeSpan span = endMilliSecond - startMilliSecond;
if (span.TotalSeconds > 60)//超过60s，只取60秒
{
span = TimeSpan.FromSeconds(60);
}
var trimed = reader.Skip(startMilliSecond).Take(endMilliSecond - startMilliSecond);
//保存新的音频文件
string fileName = Path.GetFileNameWithoutExtension(sound_path) + "_" + i + Path.GetExtension(sound_path);//重命名文件
string newFolder = System.AppDomain.CurrentDomain.BaseDirectory + "NewSoundFiles/" + Path.GetFileNameWithoutExtension(sound_path) + "/";
//重新存储到一个新的文件目录
if (!System.IO.Directory.Exists(newFolder))
{
System.IO.Directory.CreateDirectory(newFolder);
}
string newFile = newFolder + fileName;
WaveFileWriter.CreateWaveFile16(newFile, trimed);
//绝对路径
string path_absolute = context.Server.MapPath("/NewSoundFiles/" + Path.GetFileNameWithoutExtension(sound_path) + "/" + fileName);
voiceFiles.Add(UploadFile.PostFile(path_absolute));
if (span == TimeSpan.FromSeconds(60))//音频大于60s
{
//小音频
var _reader = new AudioFileReader(sound_path);
var _trimed = _reader.Skip(startMilliSecond).Take(span);
//保存新的音频文件
string _fileName = "_" + Path.GetFileNameWithoutExtension(sound_path) + "_" + i + Path.GetExtension(sound_path);//重命名文件
string _newFile = newFolder + _fileName;
WaveFileWriter.CreateWaveFile16(_newFile, _trimed);
baidu_text.Add(BaiduSpeech.BaiduTranslateToText(_newFile, language, _trimed.WaveFormat.SampleRate.ToString()));
}
else
{
baidu_text.Add(BaiduSpeech.BaiduTranslateToText(newFile, language, trimed.WaveFormat.SampleRate.ToString()));
}
reader.Close();
reader.Dispose();
}
catch (Exception ex)
{
LogHelper.Error(ex.Message);
}
}
private void RefreshAudios()
{
try
{
var folder = new DirectoryInfo(AUDIOFOLDER);
lstAudioLocal.BeginUpdate();
lstAudioLocal.Items.Clear();
foreach (var info in folder.EnumerateFiles())
{
var item = new ListViewItem {
Name = info.FullName, Text = info.Name, Group = lstAudioLocal.Groups[2]
};
try
{
var reader = new AudioFileReader(info.FullName);
if (info.Extension.Equals(RINGTONEEXTENSION))
{
item.ImageKey = "ringtone_local";
item.Group = lstAudioLocal.Groups[0];
}
else
{
item.ImageKey = "audio";
item.Group = lstAudioLocal.Groups[1];
}
reader.Close();
}
catch { }
lstAudioLocal.Items.Add(item);
}
lstAudioLocal.EndUpdate();
}
catch (Exception ex) { HandleException(ex); }
}
private void button4_Click(object sender, EventArgs e)
{
synth.SelectVoice(ddlVoices.SelectedItem.ToString());
if (audioFile != null)
{
audioFile.Close();
}
synth.SpeakAsyncCancelAll();
Thread.Sleep(1000);
Console.WriteLine("Redirecting output");
synth.SetOutputToWaveFile("temp.wav");
Console.WriteLine("Speaking text...");
synth.Speak(rtfText.Text);
Console.WriteLine("Done speaking text");
synth.SetOutputToNull();
Console.WriteLine("Done setting output to null");
SaveFileDialog ofd = new SaveFileDialog();
ofd.Filter = "Text files (*.mp3)|*.mp3|All files (*.*)|*.*";
ofd.ShowDialog();
using (var reader = new AudioFileReader("temp.wav"))
using (var writer = new LameMP3FileWriter(ofd.FileName, reader.WaveFormat, LAMEPreset.ABR_128))
reader.CopyTo(writer);
LastSavedFile = ofd.FileName;
}
private void HandleFile(string filename)
{
try
{
FileInfo file = new FileInfo(filename);
string path = System.IO.Path.Combine(file.Directory.FullName, "output");
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
AudioFileReader waveFileReader = new AudioFileReader(filename);
int bytesPerMillisecond = waveFileReader.WaveFormat.AverageBytesPerSecond / 1000;
int startPos = GetSilenceTime(waveFileReader, SilenceLocation.Start, config.Config.SilenceThreshold);
int endPos2 = GetSilenceTime(waveFileReader, SilenceLocation.End, config.Config.SilenceThreshold);
endPos2 -= endPos2 % 4;
WaveFileWriter waveFileWriter = new WaveFileWriter(filename + ".temp.wav", waveFileReader.WaveFormat);
TrimSound(waveFileReader, waveFileWriter, startPos, endPos2);
byte[] temp = new byte[bytesPerMillisecond * 500];
waveFileWriter.Write(temp, 0, temp.Length);
waveFileWriter.Close();
waveFileReader.Close();
WaveFileReader filereader = new WaveFileReader(filename + ".temp.wav");
WaveFormat format = new WaveFormat(8000, 16, 1);
MediaFoundationResampler resample = new MediaFoundationResampler(filereader, format);
WaveFileWriter.CreateWaveFile(System.IO.Path.Combine(path, file.Name.Replace(file.Extension, ".wav")), resample);
resample.Dispose();
filereader.Close();
File.Delete(filename + ".temp.wav");
}
catch (Exception)
{
}
}
private void OnButtonDeleteClick(object sender, EventArgs e)
{
if (listBoxRecordings.SelectedItem != null)
{
try
{
if (writer != null)
{
writer.Close();
writer.Dispose();
writer = null;
}
if (afr != null)
{
afr.Close();
afr.Dispose();
afr = null;
}
File.Delete(Path.Combine(outputFolder, (string)listBoxRecordings.SelectedItem));
listBoxRecordings.Items.Remove(listBoxRecordings.SelectedItem);
if (listBoxRecordings.Items.Count > 0)
{
listBoxRecordings.SelectedIndex = 0;
}
}
catch (Exception ex)
{
MessageBox.Show($"Could not delete recording: {ex}");
}
}
}
/// <summary>
/// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
/// </summary>
public void Dispose()
{
RemoveInput();
inputStream.Close();
try { inputStream.Dispose(); }
catch (NullReferenceException) { Trace.WriteLine("Caught NullReferenceException in NAudioChannel.Dispose() => inputStream.Dispose() (Is this a bug?)"); }
}
/// <summary>
/// 노래 정보 업데이트 후 재생
/// </summary>
public void UpdateMedia(string songName)
{
App.Current.Dispatcher.Invoke(() =>
{
if (waveOut != null)
{
waveOut.Dispose();
}
if (audioReader != null)
{
audioReader.Dispose(); audioReader.Close();
}
audioReader = new AudioFileReader(AppDomain.CurrentDomain.BaseDirectory + @"playlist\" + songName);
audioReader.Volume = SongInfo.Volume / 100;
DisplayInfo.NowSong = songName;
DisplayInfo.ButtonImage = (ImageSource)c.ConvertFrom("./Resource/stop.png");
DisplayInfo.PlayModeImage = (ImageSource)c.ConvertFrom("./Resource/shuffle.png");
DisplayInfo.SliderLength = audioReader.TotalTime.TotalSeconds;
SongInfo.TotalLength = audioReader.TotalTime;
SongInfo.IsRun = true;
waveOut = new WaveOut();
waveOut.Init(audioReader);
waveOut.Play();
});
}
/// <summary>
/// 停止播放
/// </summary>
/// <param name="e"></param>
/// <param name="sound_path">音频路径</param>
/// <param name="word_path">文档路径</param>
/// <param name="language">语言</param>
/// <param name="splitTime">间隔时间</param>
private void PlaybackStopped(StoppedEventArgs e, string sound_path, string word_path, string language, out bool isFinish, double splitTime, AudioFileReader reader, IWavePlayer playbackDevice)
{
//最后的结束时间
if (voicePoint.Count % 2 != 0)
{
voicePoint.Add(reader.TotalTime);
}
int _name = 1;//命名
for (int i = 0; i < voicePoint.Count; i += 2)
{
GetBaiduSpeech(voicePoint[i], voicePoint[i + 1], sound_path, _name, language, splitTime);
++_name;
}
//开始比对
//获取文档内容
CompareText(word_path, language);
reader.Close();
reader.Dispose();
if (playbackDevice != null)
{
playbackDevice.Stop();
}
isFinish = true;
}
public void Dispose()
{
if (reader != null)
{
reader.Dispose();
reader.Close();
reader = null;
}
}
public void Stop()
{
if (waveOutDevice != null)
{
waveOutDevice.Stop();
waveOutDevice = null;
audioFileReader.Close();
audioFileReader = null;
}
}
private void voiceStop()
{
// stop playback
player.Stop();
// finalise the WAV file
//savingWaveProvider.Dispose();
player.Dispose();
afr.Close();
Console.WriteLine("Voice stop.");
}
public bool makeLoud(string inPath, string outPath)
{
if (lvlLoud == 50 && !this.przester)
{
return(false);
}
float max = 0;
AudioFileReader reader = new AudioFileReader(inPath);
// find the max peak
float[] buffer = new float[reader.WaveFormat.SampleRate];
int read;
do
{
read = reader.Read(buffer, 0, buffer.Length);
for (int n = 0; n < read; n++)
{
var abs = Math.Abs(buffer[n]);
if (abs > max)
{
max = abs;
}
}
} while (read > 0);
if (max == 0 || max > 1.0f)
{
throw new InvalidOperationException("File cannot be normalized");
}
// rewind and amplify
reader.Position = 0;
if (this.przester)
{
reader.Volume = 1.0f / (max * (lvlLoud / 100));
}
else
{
reader.Volume = 1.0f / (max * (100 / (float)lvlLoud));
}
// write out to a new WAV file
WaveFileWriter.CreateWaveFile16(outPath, reader);
reader.Close();
return(true);
}
private void btnPlay_Click(object sender, EventArgs e)
{
if (waveOutDevice != null && waveOutDevice.PlaybackState == PlaybackState.Playing)
{
if (waveOutDevice != null)
{
waveOutDevice.Stop();
waveOutDevice = null;
}
if (audioFileReader != null)
{
audioFileReader.Close();
audioFileReader = null;
}
// change to play icon
this.btnPlay.ImageIndex = 0;
}
else
{
try {
waveOutDevice = new WaveOut();
audioFileReader = new AudioFileReader(filePath);
waveOutDevice.Init(audioFileReader);
waveOutDevice.PlaybackStopped += onPlaybackStopped;
waveOutDevice.Play();
// change to stop icon
this.btnPlay.ImageIndex = 2;
} catch (Exception ex) {
Console.WriteLine(ex.Message);
MessageBox.Show("Could not play the selected sound.", Program.APP_NAME, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
private static void finishPlayback()
{
if (wavePlayer != null)
{
wavePlayer.Stop();
}
if (audioFileReader != null)
{
audioFileReader.Close();
audioFileReader = null;
}
nowPlayingTrack = string.Empty;
currentlyPlaying = false;
}
public void Close()
{
if (!IsOpen)
{
return;
}
fileReader.Close();
fileReader.Dispose();
fileReader = null;
read = null;
IsOpen = false;
}
public void Reset()
{
if (reader == null)
{
return;
}
if (player.PlaybackState != PlaybackState.Stopped)
{
player.Stop();
}
reader.Close();
reader = null;
lblTime.Text = string.Empty;
tmrRefresh.Stop();
}
//Plays a selection of media
private void PlayClip(int index)
{
waveOut.Stop();
reader.Close();
reader = new AudioFileReader(fileDirectory + currentSong + ".mp3");
waveOut = new WaveOut();
waveOut.Init(reader);
provider = reader.ToSampleProvider(); //Here I get the samples
reader.Position = 0; //Go to the position 0 after reading the samples
waveOut.Play();
NowPlaying.Text = "Now Playing: " + currentSong;
PlayBtn.Text = "Pause";
}
private static void Close()
{
if (fileReader != null)
{
fileReader.Close();
fileReader.Dispose();
fileReader = null;
read = null;
}
if (current != null)
{
current.Dispose();
current = null;
}
}
private void CloseWaveOut()
{
if (waveOut != null)
{
waveOut.Stop();
waveOut.Dispose();
}
if (audioFileReader != null)
{
// this one really closes the file and ACM conversion
audioFileReader.Close();
audioFileReader.Dispose();
//setVolumeDelegate = null;
//audioFileReader = null;
}
sampleProvider = null;
}
public static void Load(String path)
{
try
{
audioFile.Close();
}
catch (NullReferenceException) { }
try
{
Console.WriteLine(path.ToString());
audioFile = new AudioFileReader(path.ToString());
wave.Init(audioFile);
}
catch (Exception e) {
Console.WriteLine(e.Message);
}
}
public AudioPlayer(string url, bool loop = false, float?volum = null)
{
if (volum == null)
{
volum = SharedSetting.BGMVolum;
}
PlayThread = new Thread(() =>
{
string path_rele = PackStream.Locate(url);
var audioFile = new AudioFileReader(path_rele);
outputDevice = new WaveOutEvent();
outputDevice.Init(audioFile);
outputDevice.Volume = (float)volum;
do
{
outputDevice.Play(); // 异步执行
while (outputDevice.PlaybackState == PlaybackState.Playing)
{
Thread.Sleep(100);
if (!canplay)
{
break;
}
}
outputDevice.Stop();
audioFile.Seek(0, SeekOrigin.Begin);
} while (loop && canplay);
outputDevice.Dispose();
audioFile.Close();
audioFile.Dispose();
try
{
File.Delete(path_rele);
}
catch
{
}
})
{
IsBackground = true
};
PlayThread.Start();
}
//음악재생에 사용되는 서브스레드 함수
static void play_music(object filename)
{
//하드디스크에 저장된 음악파일을 로드하는 객체 생성
AudioFileReader audioFile = new AudioFileReader((string)filename);
//스피커에 음악파일을 출력할 때 사용하는 객체 생성
using (WaveOutEvent wave = new WaveOutEvent())
{
//재생할 음악파일 객체를 설정
wave.Init(audioFile);
wave.Play(); //설정된 음악파일 재생
//음악파일을 모두 재생할 때 까지 대기
while (source.IsCancellationRequested == false && wave.PlaybackState == PlaybackState.Playing)
{
Thread.Sleep(500);
}
}
audioFile.Close();
}
private void stopButton__Click(object sender, EventArgs e)
{
Debug.Assert(audioPlayer_ != null);
Debug.Assert(thread_ != null);
isPlaying_ = false;
thread_.Join();
thread_ = null;
audioPlayer_.Stop();
audioPlayer_ = null;
audioReader_.Close();
audioReader_ = null;
deviceComboBox_.Enabled = true;
selectFileButton_.Enabled = true;
stopButton_.Enabled = false;
playOrPauseButton_.Text = "Play";
}
