/// <summary>
/// Generates the audio book.
/// </summary>
/// <param name="dictionary">The dictionary.</param>
/// <param name="audiobook">The target audiobook file.</param>
/// <param name="options">The options.</param>
/// <param name="worker">The worker.</param>
/// <param name="codecs">The codecs.</param>
/// <remarks>Documented by Dev02, 2008-03-10</remarks>
public static void GenerateAudioBook(IDictionary dictionary, FileInfo audiobook, AudioBookOptions options, Codecs codecs)
{
if (workerthread != null && workerthread.IsAlive)
{
AddLog("Error: Another operation is still active.");
return;
}
workerthread = new Thread(delegate()
{
try
{
Dictionary <string, Codec> encodeCodecs = codecs.encodeCodecs;
Dictionary <string, Codec> decodeCodecs = codecs.decodeCodecs;
if (audiobook.Extension.ToLowerInvariant() != Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant() &&
!encodeCodecs.ContainsKey(audiobook.Extension.ToLowerInvariant()))
{
AddLog(string.Format("Specified extension ({0}) is not available => Check encoder settings", audiobook.Extension.ToLowerInvariant()));
return;
}
List <MediaFieldFile> sourcefiles = new List <MediaFieldFile>(); //source files from dictionary
Environment.CurrentDirectory = new FileInfo(dictionary.Connection).Directory.FullName;
//fetch source audio files
AddLog("Fetching source audio files");
int count = dictionary.Cards.Cards.Count;
int index = 0;
foreach (ICard card in dictionary.Cards.Cards)
{
sourcefiles.AddRange(GetCardMediaFiles(card, options.MediaFields));
ReportProgress(index++, count);
}
//search and generate a new temp folder
DirectoryInfo tempfolder;
int tempfolderindex = 0;
do
{
tempfolder = new DirectoryInfo(Path.Combine(Path.GetTempPath(), Settings.Default.TempFolderPath + tempfolderindex.ToString()));
tempfolderindex++;
} while (tempfolder.Exists);
tempfolder.Create();
try
{
//convert all source files to wave where necessary
AddLog("Converting source files");
bool foundfile = false;
count = sourcefiles.Count;
index = 0;
for (int i = 0; i < sourcefiles.Count; i++)
{
if (sourcefiles[i].ContainsFile && decodeCodecs.ContainsKey(sourcefiles[i].Extension))
{
//decode file
string filename = sourcefiles[i].file.Name;
sourcefiles[i].file = decodeCodecs[sourcefiles[i].Extension].Decode(sourcefiles[i].file, tempfolder,
Settings.Default.ShowDecodingWindow, Settings.Default.MimimizeWindows);
if (sourcefiles[i].ContainsFile)
{
foundfile = true;
}
else
{
AddLog(string.Format("Decoding ({0}) did not produce a file => Check decoder settings", filename));
}
}
else if (sourcefiles[i].ContainsFile && sourcefiles[i].Extension == Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant())
{
foundfile = true;
}
else if (sourcefiles[i].ContainsFile)
{
AddLog(string.Format("Extension {0} not supported ({1}) => Check decoder settings", sourcefiles[i].Extension, sourcefiles[i].file.Name));
}
ReportProgress(index++, count);
}
if (!foundfile)
{
AddLog("No supported audio files found in the selected fields of the learning module");
ReportProgress(0, 0); //disable progress reporting
}
else
{
//concatenate all wave files
AddLog("Joining audio files");
FileInfo audiobookwave = new FileInfo(Path.Combine(tempfolder.FullName, Resources.AUDIOBOOK_DEFAULTNAME + Resources.AUDIO_WAVE_EXTENSION));
ABWaveCat wavecat = new ABWaveCat();
wavecat.Concatenate(sourcefiles, audiobookwave, options.Stereo);
ReportProgress(0, 0); //disable progress reporting
bool changeToWaveExtension = true; //fix for [MLA-1272] error message for file path without extension
if (audiobook.Extension.ToLowerInvariant() != Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant())
{
if (encodeCodecs.ContainsKey(audiobook.Extension.ToLowerInvariant()))
{
//convert audiobook to specified format
AddLog("Converting audiobook");
FileInfo encodedfile = encodeCodecs[audiobook.Extension.ToLowerInvariant()].Encode(audiobookwave, tempfolder,
Settings.Default.ShowEncodingWindow, Settings.Default.MimimizeWindows);
if (encodedfile != null)
{
try
{
if (audiobook.Exists)
{
audiobook.Delete();
}
encodedfile.MoveTo(audiobook.FullName);
changeToWaveExtension = false;
}
catch (Exception e)
{
AddLog("Could not replace audio file: " + e.Message);
return;
}
}
else
{
AddLog(string.Format("Encoding ({0}) did not produce a file => Check encoder settings", audiobook.Name));
}
}
}
if (changeToWaveExtension) //change file to wave extension and force wave generation
{
audiobook = new FileInfo(Path.ChangeExtension(audiobook.FullName, Resources.AUDIO_WAVE_EXTENSION));
}
if (audiobook.Extension.ToLowerInvariant() == Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant())
{
try
{
if (audiobook.Exists)
{
audiobook.Delete();
}
audiobookwave.MoveTo(audiobook.FullName);
}
catch (Exception e)
{
AddLog("Could not replace audio file: " + e.Message);
return;
}
}
AddLog("Finished: " + audiobook.FullName);
}
}
finally
{
//try to delete the temp directory (try multiple times in case it is still locked)
Thread cleanthread = new Thread(delegate()
{
int tries = 0;
while (tries++ < 10)
{
System.Threading.Thread.Sleep(1000);
try
{
tempfolder.Delete(true);
TempFiles.ForEach(f => f.Delete());
break;
}
catch
{ }
}
});
cleanthread.IsBackground = true;
cleanthread.Start();
}
}
catch (Exception exp)
{
ReportProgress(0, 0); //disable progressbar
if (exp is ThreadAbortException)
{
AddLog("Operation cancelled");
}
else
{
AddLog("GenerateAudioBook Thread Exception: " + exp.ToString());
}
}
finally
{
//fire the working thread finished event in every case
OnWorkingThreadFinished(EventArgs.Empty);
}
});
workerthread.IsBackground = true;
workerthread.Start();
return;
}
/// <summary>
/// Generates the audio book.
/// </summary>
/// <param name="dictionary">The dictionary.</param>
/// <param name="audiobook">The target audiobook file.</param>
/// <param name="options">The options.</param>
/// <param name="worker">The worker.</param>
/// <param name="codecs">The codecs.</param>
/// <remarks>Documented by Dev02, 2008-03-10</remarks>
public static void GenerateAudioBook(IDictionary dictionary, FileInfo audiobook, AudioBookOptions options, Codecs codecs)
{
if (workerthread != null && workerthread.IsAlive)
{
AddLog("Error: Another operation is still active.");
return;
}
workerthread = new Thread(delegate()
{
try
{
Dictionary<string, Codec> encodeCodecs = codecs.encodeCodecs;
Dictionary<string, Codec> decodeCodecs = codecs.decodeCodecs;
if (audiobook.Extension.ToLowerInvariant() != Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant()
&& !encodeCodecs.ContainsKey(audiobook.Extension.ToLowerInvariant()))
{
AddLog(string.Format("Specified extension ({0}) is not available => Check encoder settings", audiobook.Extension.ToLowerInvariant()));
return;
}
List<MediaFieldFile> sourcefiles = new List<MediaFieldFile>(); //source files from dictionary
Environment.CurrentDirectory = new FileInfo(dictionary.Connection).Directory.FullName;
//fetch source audio files
AddLog("Fetching source audio files");
int count = dictionary.Cards.Cards.Count;
int index = 0;
foreach (ICard card in dictionary.Cards.Cards)
{
sourcefiles.AddRange(GetCardMediaFiles(card, options.MediaFields));
ReportProgress(index++, count);
}
//search and generate a new temp folder
DirectoryInfo tempfolder;
int tempfolderindex = 0;
do
{
tempfolder = new DirectoryInfo(Path.Combine(Path.GetTempPath(), Settings.Default.TempFolderPath + tempfolderindex.ToString()));
tempfolderindex++;
} while (tempfolder.Exists);
tempfolder.Create();
try
{
//convert all source files to wave where necessary
AddLog("Converting source files");
bool foundfile = false;
count = sourcefiles.Count;
index = 0;
for (int i = 0; i < sourcefiles.Count; i++)
{
if (sourcefiles[i].ContainsFile && decodeCodecs.ContainsKey(sourcefiles[i].Extension))
{
//decode file
string filename = sourcefiles[i].file.Name;
sourcefiles[i].file = decodeCodecs[sourcefiles[i].Extension].Decode(sourcefiles[i].file, tempfolder,
Settings.Default.ShowDecodingWindow, Settings.Default.MimimizeWindows);
if (sourcefiles[i].ContainsFile)
foundfile = true;
else
AddLog(string.Format("Decoding ({0}) did not produce a file => Check decoder settings", filename));
}
else if (sourcefiles[i].ContainsFile && sourcefiles[i].Extension == Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant())
foundfile = true;
else if (sourcefiles[i].ContainsFile)
AddLog(string.Format("Extension {0} not supported ({1}) => Check decoder settings", sourcefiles[i].Extension, sourcefiles[i].file.Name));
ReportProgress(index++, count);
}
if (!foundfile)
{
AddLog("No supported audio files found in the selected fields of the learning module");
ReportProgress(0, 0); //disable progress reporting
}
else
{
//concatenate all wave files
AddLog("Joining audio files");
FileInfo audiobookwave = new FileInfo(Path.Combine(tempfolder.FullName, Resources.AUDIOBOOK_DEFAULTNAME + Resources.AUDIO_WAVE_EXTENSION));
ABWaveCat wavecat = new ABWaveCat();
wavecat.Concatenate(sourcefiles, audiobookwave, options.Stereo);
ReportProgress(0, 0); //disable progress reporting
bool changeToWaveExtension = true; //fix for [MLA-1272] error message for file path without extension
if (audiobook.Extension.ToLowerInvariant() != Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant())
{
if (encodeCodecs.ContainsKey(audiobook.Extension.ToLowerInvariant()))
{
//convert audiobook to specified format
AddLog("Converting audiobook");
FileInfo encodedfile = encodeCodecs[audiobook.Extension.ToLowerInvariant()].Encode(audiobookwave, tempfolder,
Settings.Default.ShowEncodingWindow, Settings.Default.MimimizeWindows);
if (encodedfile != null)
{
try
{
if (audiobook.Exists)
audiobook.Delete();
encodedfile.MoveTo(audiobook.FullName);
changeToWaveExtension = false;
}
catch (Exception e)
{
AddLog("Could not replace audio file: " + e.Message);
return;
}
}
else
{
AddLog(string.Format("Encoding ({0}) did not produce a file => Check encoder settings", audiobook.Name));
}
}
}
if (changeToWaveExtension) //change file to wave extension and force wave generation
audiobook = new FileInfo(Path.ChangeExtension(audiobook.FullName, Resources.AUDIO_WAVE_EXTENSION));
if (audiobook.Extension.ToLowerInvariant() == Resources.AUDIO_WAVE_EXTENSION.ToLowerInvariant())
{
try
{
if (audiobook.Exists)
audiobook.Delete();
audiobookwave.MoveTo(audiobook.FullName);
}
catch (Exception e)
{
AddLog("Could not replace audio file: " + e.Message);
return;
}
}
AddLog("Finished: " + audiobook.FullName);
}
}
finally
{
//try to delete the temp directory (try multiple times in case it is still locked)
Thread cleanthread = new Thread(delegate()
{
int tries = 0;
while (tries++ < 10)
{
System.Threading.Thread.Sleep(1000);
try
{
tempfolder.Delete(true);
TempFiles.ForEach(f => f.Delete());
break;
}
catch
{ }
}
});
cleanthread.IsBackground = true;
cleanthread.Start();
}
}
catch (Exception exp)
{
ReportProgress(0, 0); //disable progressbar
if (exp is ThreadAbortException)
{
AddLog("Operation cancelled");
}
else
{
AddLog("GenerateAudioBook Thread Exception: " + exp.ToString());
}
}
finally
{
//fire the working thread finished event in every case
OnWorkingThreadFinished(EventArgs.Empty);
}
});
workerthread.IsBackground = true;
workerthread.Start();
return;
}
/// <summary>
/// Handles the Click event of the buttonStart control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
/// <remarks>Documented by Dev02, 2008-03-17</remarks>
private void buttonStart_Click(object sender, EventArgs e)
{
if (BusinessLayer.WorkingThreadActive)
{
BusinessLayer.AbortWorkingThread();
return;
}
textBoxLog.Clear();
tracelistener.LogMessages.Clear();
//check if input file exists
if (!File.Exists(textBoxLearningModule.Text))
{
BusinessLayer.AddLog("The specified learning module file cannot be found");
return;
}
//check if any audio fields are selected
if (listViewPlaybackSequence.Items.Count == 0)
{
BusinessLayer.AddLog("Please select at least one field for the playback sequence");
return;
}
IDictionary dictionary = null;
try
{
AudioBookOptions options = new AudioBookOptions();
//add mono/stereo selection to options
options.Stereo = radioButtonStereo.Checked;
//add selected fields to the options
foreach (ListViewItem lvi in listViewPlaybackSequence.Items)
{
MediaField mediafield = lvi.Tag as MediaField;
if (mediafield != null)
options.MediaFields.Add(mediafield);
}
//check for valid file paths
FileInfo dictionaryfile = null, audiobook = null;
try
{
dictionaryfile = new FileInfo(textBoxLearningModule.Text);
audiobook = new FileInfo(textBoxAudiobook.Text);
if (string.IsNullOrEmpty(audiobook.Extension))
{
BusinessLayer.AddLog("Please enter a valid extension for the target audiobook file");
return;
}
}
catch
{
BusinessLayer.AddLog("The specified file paths are not valid. Please check your input");
return;
}
//save file paths to settings as recent files
Settings.Default.RecentLearningModule = dictionaryfile.FullName;
Settings.Default.RecentAudioBook = audiobook.FullName;
Settings.Default.Save();
//open learning module and start audio book generation
try
{
ConnectionStringStruct css = new ConnectionStringStruct(DatabaseType.MsSqlCe, dictionaryfile.FullName);
MLifter.DAL.Interfaces.IUser user = UserFactory.Create((GetLoginInformation)MLifter.Controls.LoginForm.OpenLoginForm, css, (DataAccessErrorDelegate)delegate { return; }, this);
css.LmId = User.GetIdOfLearningModule(dictionaryfile.FullName, user);
user.ConnectionString = css;
dictionary = user.Open();
}
catch (System.IO.IOException)
{
BusinessLayer.AddLog("The Learning Module file could not be accessed. Please make sure that it is not open within another program (e.g. MemoryLifter)");
return;
}
catch (System.Xml.XmlException)
{
BusinessLayer.AddLog("The Learning Module file does not seem to be in a valid format");
return;
}
catch (ProtectedLearningModuleException)
{
BusinessLayer.AddLog("The Learning Module could not be opened: It is content protected");
return;
}
catch (Exception exp)
{
BusinessLayer.AddLog("The Learning Module file could not be opened:" + Environment.NewLine + exp.Message);
return;
}
buttonStart.Text = "Cancel";
BusinessLayer.GenerateAudioBook(dictionary, audiobook, options, codecs);
}
catch (Exception exp)
{
BusinessLayer.AddLog("Audio book generation exception happened: " + Environment.NewLine + exp.ToString());
return;
}
finally
{
if (dictionary != null)
dictionary.Dispose();
}
}
/// <summary>
/// Handles the Click event of the buttonStart control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
/// <remarks>Documented by Dev02, 2008-03-17</remarks>
private void buttonStart_Click(object sender, EventArgs e)
{
if (BusinessLayer.WorkingThreadActive)
{
BusinessLayer.AbortWorkingThread();
return;
}
textBoxLog.Clear();
tracelistener.LogMessages.Clear();
//check if input file exists
if (!File.Exists(textBoxLearningModule.Text))
{
BusinessLayer.AddLog("The specified learning module file cannot be found");
return;
}
//check if any audio fields are selected
if (listViewPlaybackSequence.Items.Count == 0)
{
BusinessLayer.AddLog("Please select at least one field for the playback sequence");
return;
}
IDictionary dictionary = null;
try
{
AudioBookOptions options = new AudioBookOptions();
//add mono/stereo selection to options
options.Stereo = radioButtonStereo.Checked;
//add selected fields to the options
foreach (ListViewItem lvi in listViewPlaybackSequence.Items)
{
MediaField mediafield = lvi.Tag as MediaField;
if (mediafield != null)
{
options.MediaFields.Add(mediafield);
}
}
//check for valid file paths
FileInfo dictionaryfile = null, audiobook = null;
try
{
dictionaryfile = new FileInfo(textBoxLearningModule.Text);
audiobook = new FileInfo(textBoxAudiobook.Text);
if (string.IsNullOrEmpty(audiobook.Extension))
{
BusinessLayer.AddLog("Please enter a valid extension for the target audiobook file");
return;
}
}
catch
{
BusinessLayer.AddLog("The specified file paths are not valid. Please check your input");
return;
}
//save file paths to settings as recent files
Settings.Default.RecentLearningModule = dictionaryfile.FullName;
Settings.Default.RecentAudioBook = audiobook.FullName;
Settings.Default.Save();
//open learning module and start audio book generation
try
{
ConnectionStringStruct css = new ConnectionStringStruct(DatabaseType.MsSqlCe, dictionaryfile.FullName);
MLifter.DAL.Interfaces.IUser user = UserFactory.Create((GetLoginInformation)MLifter.Controls.LoginForm.OpenLoginForm, css, (DataAccessErrorDelegate) delegate { return; }, this);
css.LmId = User.GetIdOfLearningModule(dictionaryfile.FullName, user);
user.ConnectionString = css;
dictionary = user.Open();
}
catch (System.IO.IOException)
{
BusinessLayer.AddLog("The Learning Module file could not be accessed. Please make sure that it is not open within another program (e.g. MemoryLifter)");
return;
}
catch (System.Xml.XmlException)
{
BusinessLayer.AddLog("The Learning Module file does not seem to be in a valid format");
return;
}
catch (ProtectedLearningModuleException)
{
BusinessLayer.AddLog("The Learning Module could not be opened: It is content protected");
return;
}
catch (Exception exp)
{
BusinessLayer.AddLog("The Learning Module file could not be opened:" + Environment.NewLine + exp.Message);
return;
}
buttonStart.Text = "Cancel";
BusinessLayer.GenerateAudioBook(dictionary, audiobook, options, codecs);
}
catch (Exception exp)
{
BusinessLayer.AddLog("Audio book generation exception happened: " + Environment.NewLine + exp.ToString());
return;
}
finally
{
if (dictionary != null)
{
dictionary.Dispose();
}
}
}
