private void ExtractPcmInfoFromAudioFile()
{
var reader = new AudioFileReader(selectedFile);
Log.Debug("Beginning extraction of audio data from " + reader.ToString());
bitsPerSample = reader.WaveFormat.BitsPerSample;
channelCount = reader.WaveFormat.Channels;
sampleRate = reader.WaveFormat.SampleRate;
encodingType = reader.WaveFormat.Encoding.ToString();;
bytesPerSample = (reader.WaveFormat.BitsPerSample / 8);
var samples = reader.Length / (bytesPerSample);
samplesTotal = (int)samples;
audioFrames = samplesTotal / channelCount;
UpdateAudioInfoOnForm();
ButtonPlayFile.Enabled = true;
string audioDataToText = String.Format("BitsPerSample: {0}, ChannelCount: {1}, SampleRate: {2}, EncodingType{3}, BytesPerSample: {4}, AudioFrames: {5}",
bitsPerSample, channelCount, sampleRate, encodingType, bytesPerSample, audioFrames);
Log.Debug(audioDataToText);
// PlaybackPcmAudio(reader);
}
private void Play(string file)
{
if (state == State.NaN || state == State.Stop)
{
try
{
var t = new AudioFileReader(file).TotalTime;
var time = Math.Floor(t.TotalSeconds);
TimeTotal.Text = t.ToString(@"mm\:ss");
TimeSlider.Maximum = time;
}
catch (Exception e)
{
var mp3File = new Mp3(file);
var t = mp3File.Audio.Duration;
var time = Math.Floor(t.TotalSeconds);
TimeTotal.Text = t.ToString(@"mm\:ss");
TimeSlider.Maximum = time;
}
TimeSlider.Value = 0;
Player.Open(new Uri(file));
Player.SpeedRatio = 1;
Player.MediaEnded += (o, e) => Stop(null, null);
Timer.Interval = TimeSpan.FromSeconds(0.5);
Timer.Tick += (o, e) =>
{
TimeNow.Text = Player.Position.ToString(@"mm\:ss");
var now = Player.Position.TotalSeconds;
PChange = true;
TimeSlider.Value = now;
PChange = false;
};
Timer.Start();
Player.Play();
Player.Volume -= 0.02;
Player.Volume += 0.02;
state = State.Play;
PausePlay.Content = "Пауза";
TimeNow.Text = "00:00";
}
}