public void Play(string path, IMainWindowServices mainWindow)
{
Stream stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, Constants.BufferSize);
AudioFileReader reader = null;
try
{
reader = new WAVReader(stream);
}
catch (FormatException)
{
try
{
stream.Seek(0, SeekOrigin.Begin);
reader = new AIFFReader(stream);
}
catch (FormatException)
{
MessageBox.Show("File is not a recognized AIFF or WAV file.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
const double BufferDuration = 2;
#if true // prevents "Add New Data Source..." from working
state = AudioFilePlayGeneratorParams <OutputDeviceDestination, OutputDeviceArguments> .Do(
mainWindow.DisplayName,
OutputDeviceEnumerator.OutputDeviceGetDestination,
OutputDeviceEnumerator.CreateOutputDeviceDestinationHandler,
new OutputDeviceArguments(BufferDuration),
AudioFilePlayGeneratorParams <OutputDeviceDestination, OutputDeviceArguments> .MainLoop,
generatorParams = new AudioFilePlayGeneratorParams <OutputDeviceDestination, OutputDeviceArguments>(
reader),
AudioFilePlayGeneratorParams <OutputDeviceDestination, OutputDeviceArguments> .Completion,
mainWindow,
reader.NumChannels,
reader.NumBits,
reader.SamplingRate,
1 /*oversampling*/,
true /*showProgressWindow*/,
true /*modal*/);
#endif
}
private void buttonPlay_Click(object sender, EventArgs e)
{
MainWindow.DoAutosaveGlobally();
if (!mainWindow.MakeUpToDate())
{
return;
}
Synthesizer.EffectSpecListRec effectSpec;
if (!BuildThis(out effectSpec))
{
return;
}
const double BufferDuration = 2f;
#if false
if (state != null)
{
state.stopper.Stop();
}
state = null;
#endif
Stream stream = new FileStream(textBoxAudioFilePath.Text, FileMode.Open, FileAccess.Read, FileShare.Read, Constants.BufferSize);
AudioFileReader reader = null;
try
{
reader = new WAVReader(stream);
}
catch (FormatException)
{
try
{
stream.Seek(0, SeekOrigin.Begin);
reader = new AIFFReader(stream);
}
catch (FormatException)
{
MessageBox.Show("File is not a recognized AIFF or WAV file.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
#if true // prevents "Add New Data Source..." from working
#if false
state =
#endif
PlayFileWithEffectsGeneratorParams <OutputDeviceDestination, OutputDeviceArguments> .Do(
Path.GetFileNameWithoutExtension(textBoxAudioFilePath.Text),
OutputDeviceEnumerator.OutputDeviceGetDestination,
OutputDeviceEnumerator.CreateOutputDeviceDestinationHandler,
new OutputDeviceArguments(BufferDuration),
PlayFileWithEffectsGeneratorParams <OutputDeviceDestination, OutputDeviceArguments> .MainLoop,
#if false
generatorParams =
#endif
new PlayFileWithEffectsGeneratorParams <OutputDeviceDestination, OutputDeviceArguments>(
stream,
reader,
effectSpec,
mainWindow),
PlayFileWithEffectsGeneratorParams <OutputDeviceDestination, OutputDeviceArguments> .Completion,
mainWindow,
reader.NumChannels,
reader.NumBits,
reader.SamplingRate,
1 /*oversampling*/,
true /*showProgressWindow*/,
true /*modal*/);
#endif
}
/* this routine asks for a file and tries to import the contents of that */
/* file as a WAV sample. it reports any errors to the user. */
public static bool ImportWAVSample(
Registration registration,
IMainWindowServices mainWindow,
out int index)
{
index = -1;
string path;
using (OpenFileDialog dialog = new OpenFileDialog())
{
dialog.Title = "Import WAV Sample";
dialog.Filter = "WAV Audio File (.wav)|*.wav|Any File Type (*)|*";
DialogResult result = dialog.ShowDialog();
if (result != DialogResult.OK)
{
return(false);
}
path = dialog.FileName;
}
using (Stream input = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, Constants.BufferSize))
{
try
{
using (AudioFileReader reader = new WAVReader(input, true /*allowTruncated*/))
{
NumBitsType numBits = reader.NumBits;
NumChannelsType numChannels = reader.NumChannels;
int numFrames = reader.NumFrames;
int samplingRate = reader.SamplingRate;
float[] sampleData;
try
{
sampleData = new float[(numFrames + 1) * reader.PointsPerFrame];
}
catch (OutOfMemoryException)
{
throw new AudioFileReaderException(AudioFileReaderErrors.OutOfMemory);
}
reader.ReadPoints(sampleData, 0, numFrames * reader.PointsPerFrame);
if (reader.Truncated)
{
const string ErrorTooShort = "The file appears to be incomplete. Appending silence to end of sample data.";
MessageBox.Show(ErrorTooShort, "Import Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
SampleObjectRec ReturnedSampleObject = new SampleObjectRec(
mainWindow.Document,
sampleData,
numFrames,
numBits,
numChannels,
0,
0,
0,
0,
0,
0,
0,
samplingRate,
Constants.MIDDLEC);
ReturnedSampleObject.Name = Path.GetFileName(path);
index = mainWindow.Document.SampleList.Count;
mainWindow.Document.SampleList.Add(ReturnedSampleObject);
new SampleWindow(registration, ReturnedSampleObject, mainWindow).Show();
return(true);
}
}
catch (AudioFileReaderException exception)
{
MessageBox.Show(AudioFileReaderException.MessageFromError(exception.Error), "Import Error", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
return(false);
}
