/// <summary>
/// Creates a Wave file by reading all the data from a WaveProvider
/// BEWARE: the WaveProvider MUST return 0 from its Read method when it is finished,
/// or the Wave File will grow indefinitely.
/// </summary>
/// <param name="filename">The filename to use</param>
/// <param name="sourceProvider">The source WaveProvider</param>
public static async Task CreateWaveFileAsync(string filename, IWaveProvider sourceProvider)
{
StorageFile fileOperation = await StorageFile.GetFileFromPathAsync(filename);
Stream fileStream = await fileOperation.OpenStreamForWriteAsync();
using (var writer = new WaveFileWriterRT(fileStream, sourceProvider.WaveFormat))
{
writer.filename = filename;
long outputLength = 0;
var buffer = new byte[sourceProvider.WaveFormat.AverageBytesPerSecond * 4];
while (true)
{
int bytesRead = sourceProvider.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
// end of source provider
break;
}
outputLength += bytesRead;
// Write will throw exception if WAV file becomes too large
writer.Write(buffer, 0, bytesRead);
}
}
}
/// <summary>
/// Creates a Wave file by reading all the data from a WaveProvider
/// BEWARE: the WaveProvider MUST return 0 from its Read method when it is finished,
/// or the Wave File will grow indefinitely.
/// </summary>
/// <param name="filename">The filename to use</param>
/// <param name="sourceProvider">The source WaveProvider</param>
public static async Task CreateWaveFileAsync(string filename, IWaveProvider sourceProvider)
{
StorageFile fileOperation = await StorageFile.GetFileFromPathAsync(filename);
Stream fileStream = await fileOperation.OpenStreamForWriteAsync();
using (var writer = new WaveFileWriterRT(fileStream, sourceProvider.WaveFormat))
{
writer.filename = filename;
long outputLength = 0;
var buffer = new byte[sourceProvider.WaveFormat.AverageBytesPerSecond * 4];
while (true)
{
int bytesRead = sourceProvider.Read(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
// end of source provider
break;
}
outputLength += bytesRead;
// Write will throw exception if WAV file becomes too large
writer.Write(buffer, 0, bytesRead);
}
}
}
