public TrackDetails() {
InitializeComponent();
m_Task = new TaskRunner(TaskException);
// Set output format from settings
for (int i = 0; i < cbFormat.Items.Count; i++) {
if (cbFormat.Items[i].ToString() == Properties.Settings.Default.OutputType)
cbFormat.SelectedIndex = i;
}
}
public SplitAlbum() {
InitializeComponent();
if (Program.Album != null && Program.Album.Tracks.Count > 2) {
// Default no of tracks is existing number
txtTracks.Text = Program.Album.Tracks.Count.ToString();
}
// Load parameters from settings
txtMinTrackLength.Text = Properties.Settings.Default.MinTrackLength.ToTimeSpanString();
txtCentre.Text = Properties.Settings.Default.SilenceFilterCentre.ToString();
txtQ.Text = Properties.Settings.Default.SilenceFilterQ.ToString();
txtStartSilence.Text = Properties.Settings.Default.StartSilenceThreshold.ToString();
txtEndSilence.Text = Properties.Settings.Default.EndSilenceThreshold.ToString();
m_Task = new TaskRunner(TaskException);
}
public Task(TaskRunner runner, Action<Task> action) {
new System.Threading.Tasks.Task(delegate() {
try {
action(this);
} catch(Exception ex) {
if (runner.ExceptionThrown != null)
runner.ExceptionThrown(runner, ex);
} finally {
lock (runner) {
if (runner.m_Task == this) {
runner.m_Task = null;
}
}
}
}).Start();
}
/// <summary>
/// Normalize (runs in separate thread)
/// </summary>
void normalize(TaskRunner.Task t) {
float oldVolume = m_Reader.Volume;
try {
Volume = 1;
float max = 0; // Max volume in file
float[] buffer = new float[m_Reader.WaveFormat.BlockAlign];
// Number of buffers to read
long total = m_Reader.Length / (m_Reader.WaveFormat.BlockAlign * m_Reader.WaveFormat.BitsPerSample / 8);
long count = 0; // Number read so far
int pos = 0; // Progress bar position (0-100)
m_Reader.Position = 0;
m_Reader.Volume = 1;
ProgressBar(0);
while (!t.Stop && m_Reader.Read(buffer, 0, m_Reader.WaveFormat.BlockAlign) == m_Reader.WaveFormat.BlockAlign) {
count++;
// Calculate progress bar position
int p = (int)(100 * count / total);
if (p != pos) {
// Only update if it has changed a whole unit
pos = p;
ProgressBar(pos);
}
// Find max volume in this buffer
for (int i = 0; i < m_Reader.WaveFormat.BlockAlign; i++)
max = Math.Max(max, Math.Abs(buffer[i]));
}
if (!t.Stop) {
Volume = Properties.Settings.Default.NormalizeLevel / max;
Despatch(delegate() {
// Have finished - can close dialog
DialogResult = System.Windows.Forms.DialogResult.OK;
Close();
});
}
} catch {
} finally {
m_Reader.Volume = oldVolume;
}
btnOK.Enabled = true;
}
/// <summary>
/// Download an album art image from the web
/// </summary>
/// <returns>True if successful</returns>
bool downloadImage(Uri art, TaskRunner.Task task) {
try {
using (WebClient webClient = new WebClient()) {
byte[] data = webClient.DownloadData(art);
if (task.Stop)
return true;
using (MemoryStream mem = new MemoryStream(data)) {
using (Image img = Image.FromStream(mem))
if(!task.Stop)
setImage(img);
}
}
return true;
} catch (Exception ex) {
System.Diagnostics.Trace.WriteLine(ex);
Status("{1} at {0}", art, ex.Message);
}
return false;
}
public Normalize(AudioFileReader reader) {
m_Reader = reader;
Volume = 1;
m_Task = new TaskRunner();
InitializeComponent();
}
public AlbumDetails() {
InitializeComponent();
m_Task = new TaskRunner(TaskException);
}