/// <summary>
/// Save the audio file to media library.
/// </summary>
/// <param name="sender">Save menu item</param>
/// <param name="e">Event arguments</param>
private void Save_Click(object sender, EventArgs e)
{
AudioFileModel selected = (AudioFileModel)AudioFilesList.SelectedItem;
if (selected != null)
{
var library = new MediaLibrary();
Song s = library.SaveSong(
new Uri(selected.FileName, UriKind.RelativeOrAbsolute),
null,
/*
* new SongMetadata()
* {
* ArtistName = "ArtistName",
* AlbumArtistName = "AlbumArtistName",
* Name = "SongName",
* AlbumName = "AlbumName",
* Duration = TimeSpan.FromSeconds(10),
* TrackNumber = 1,
* AlbumReleaseDate = DateTime.Now,
* GenreName = "Genre"
* },
*/
SaveSongOperation.CopyToLibrary);
}
}
/// <summary>
/// Called when an audio file is selected.
/// </summary>
/// <param name="sender">AudioFilesList (LongListSelector).</param>
/// <param name="e">Event arguments.</param>
void OnAudioFileSelected(Object sender, SelectionChangedEventArgs e)
{
AudioFileModel selected = (AudioFileModel)AudioFilesList.SelectedItem;
if (App.AudioModel.IsPlaying)
{
App.AudioManager.StopPlayback();
}
if (selected != null)
{
selectedFileName = selected.FileName;
StopPlayButton.IsEnabled = true;
SaveButton.IsEnabled = true;
DeleteButton.IsEnabled = true;
}
}
/// <summary>
/// Start/Stop the audio playback.
/// </summary>
/// <param name="sender">StopPlay menu item</param>
/// <param name="e">Event arguments</param>
private void StopPlay_Click(object sender, EventArgs e)
{
if (App.AudioModel.IsPlaying)
{
App.AudioManager.StopPlayback();
}
else
{
if (selectedFileName.Length == 0)
{
MessageBox.Show("Select an audio file first.");
}
else
{
AudioFileModel selected = (AudioFileModel)AudioFilesList.SelectedItem;
Boolean useWasapi = selected.SampleRate != 16000 || selected.ChannelCount != 1;
App.AudioManager.StartPlayback(selectedFileName, useWasapi);
}
}
}
/// <summary>
/// Loads local audio information.
/// </summary>
public void ReadAudioFileInfo()
{
AudioFiles.Clear();
// Load the image which was filtered from isolated app storage.
System.IO.IsolatedStorage.IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
try
{
string[] fileNames = myStore.GetFileNames();
foreach (string s in fileNames)
{
AudioFileModel audioFile = new AudioFileModel();
audioFile.FileName = s;
IsolatedStorageFileStream fileStream = myStore.OpenFile(s, System.IO.FileMode.Open, System.IO.FileAccess.Read);
audioFile.FileSize = "" + fileStream.Length + " bytes";
// Read sample rate and channel count
Encoding encoding = Encoding.UTF8;
byte[] bytes = new byte[4];
// channel count
fileStream.Seek(22, SeekOrigin.Begin);
fileStream.Read(bytes, 0, 2);
audioFile.ChannelCount = BitConverter.ToInt16(bytes, 0);
// sample rate
fileStream.Read(bytes, 0, 4);
audioFile.SampleRate = BitConverter.ToInt32(bytes, 0);
audioFile.FileLength = "" + fileStream.Length / (2 * audioFile.SampleRate * audioFile.ChannelCount) + " seconds";
AudioFiles.Add(audioFile);
fileStream.Dispose();
}
}
catch
{
MessageBox.Show("Error while trying to read audio files.");
}
}
/// <summary>
/// Delete the audio file.
/// </summary>
/// <param name="sender">Delete menu item</param>
/// <param name="e">Event arguments</param>
private void Delete_Click(object sender, EventArgs e)
{
AudioFileModel selected = (AudioFileModel)AudioFilesList.SelectedItem;
if (selected != null)
{
IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
try
{
myStore.DeleteFile(selected.FileName);
App.AudioModel.AudioFiles.Remove(selected);
selectedFileName = "";
}
catch
{
MessageBox.Show("Error while deleting audio file " + selected.FileName + ".");
}
StopPlayButton.IsEnabled = false;
SaveButton.IsEnabled = false;
DeleteButton.IsEnabled = false;
ForwardButton.IsEnabled = false;
}
}
/// <summary>
/// Loads local audio information.
/// </summary>
public void ReadAudioFileInfo()
{
AudioFiles.Clear();
// Load the image which was filtered from isolated app storage.
System.IO.IsolatedStorage.IsolatedStorageFile myStore = IsolatedStorageFile.GetUserStoreForApplication();
try
{
string[] fileNames = myStore.GetFileNames();
foreach (string s in fileNames)
{
AudioFileModel audioFile = new AudioFileModel();
audioFile.FileName = s;
IsolatedStorageFileStream fileStream = myStore.OpenFile(s, System.IO.FileMode.Open, System.IO.FileAccess.Read);
audioFile.FileSize = "" + fileStream.Length + " bytes";
// Read sample rate and channel count
Encoding encoding = Encoding.UTF8;
byte[] bytes = new byte[4];
// channel count
fileStream.Seek(22, SeekOrigin.Begin);
fileStream.Read(bytes, 0, 2);
audioFile.ChannelCount = BitConverter.ToInt16(bytes, 0);
// sample rate
fileStream.Read(bytes, 0, 4);
audioFile.SampleRate = BitConverter.ToInt32(bytes, 0);
audioFile.FileLength = "" + fileStream.Length / (2 * audioFile.SampleRate * audioFile.ChannelCount) + " seconds";
AudioFiles.Add(audioFile);
fileStream.Dispose();
}
}
catch
{
MessageBox.Show("Error while trying to read audio files.");
}
}
