private void OnSoxProcessOutputReceived(object sender, DataReceivedEventArgs received)
{
if (received.Data != null)
{
if (OnProgress != null)
{
Match matchProgress = SoxProcess.ProgressRegex.Match(received.Data);
if (matchProgress.Success)
{
try
{
UInt16 progress = Convert.ToUInt16(double.Parse(matchProgress.Groups[1].Value, CultureInfo.InvariantCulture));
TimeSpan processed = Utils.TimeSpanFromString(matchProgress.Groups[2].Value);
TimeSpan remaining = Utils.TimeSpanFromString(matchProgress.Groups[3].Value);
UInt64 outputSize = FormattedSize.ToUInt64(matchProgress.Groups[4].Value);
ProgressEventArgs eventArgs = new ProgressEventArgs(progress, processed, remaining, outputSize);
OnProgress(sender, eventArgs);
if (eventArgs.Abort)
{
Abort();
}
return;
}
catch (Exception ex)
{
throw new SoxUnexpectedOutputException(received.Data, ex);
}
}
}
CheckForLogMessage(received.Data);
}
}
/// <summary>
/// Gets information about the given file.
/// </summary>
/// <returns>File information as a <see cref="SoxSharp.AudioInfo"/> instance.</returns>
/// <param name="inputFile">Input file.</param>
public AudioInfo GetInfo(string inputFile)
{
if (!File.Exists(inputFile))
{
throw new FileNotFoundException("File not found: " + inputFile);
}
soxProcess_ = SoxProcess.Create(Path);
lastError_ = null;
lastErrorSource_ = null;
try
{
soxProcess_.StartInfo.RedirectStandardOutput = true;
if (inputFile.Contains(" "))
{
if ((Environment.OSVersion.Platform == PlatformID.Win32NT) ||
(Environment.OSVersion.Platform == PlatformID.Win32Windows) ||
(Environment.OSVersion.Platform == PlatformID.Win32S) ||
(Environment.OSVersion.Platform == PlatformID.WinCE))
{
soxProcess_.StartInfo.Arguments = "--info \"" + inputFile + "\"";
}
else
{
soxProcess_.StartInfo.Arguments = "--info '" + inputFile + "'";
}
}
else
{
soxProcess_.StartInfo.Arguments = "--info " + inputFile;
}
soxProcess_.Start();
LastCommand = Path + " " + soxProcess_.StartInfo.Arguments;
string output = soxProcess_.StandardOutput.ReadToEnd();
if (String.IsNullOrEmpty(output))
{
output = soxProcess_.StandardError.ReadToEnd();
}
if (soxProcess_.WaitForExit(10000) == false)
{
throw new TimeoutException("SoX response timeout");
}
CheckForLogMessage(output);
if (output != null)
{
Match matchInfo = SoxProcess.InfoRegex.Match(output);
if (matchInfo.Success)
{
try
{
UInt16 channels = Convert.ToUInt16(double.Parse(matchInfo.Groups[1].Value, CultureInfo.InvariantCulture));
UInt32 sampleRate = Convert.ToUInt32(double.Parse(matchInfo.Groups[2].Value, CultureInfo.InvariantCulture));
UInt16 sampleSize = Convert.ToUInt16(double.Parse(new string(matchInfo.Groups[3].Value.Where(Char.IsDigit).ToArray()), CultureInfo.InvariantCulture));
TimeSpan duration = Utils.TimeSpanFromString(matchInfo.Groups[4].Value);
UInt64 size = FormattedSize.ToUInt64(matchInfo.Groups[5].Value);
UInt32 bitRate = FormattedSize.ToUInt32(matchInfo.Groups[6].Value);
string encoding = matchInfo.Groups[7].Value;
return(new AudioInfo(channels, sampleRate, sampleSize, duration, size, bitRate, encoding));
}
catch (Exception ex)
{
throw new SoxUnexpectedOutputException(output, ex);
}
}
}
throw new SoxUnexpectedOutputException(output != null ? output : "No output received");
}
finally
{
if (soxProcess_ != null)
{
soxProcess_.Dispose();
soxProcess_ = null;
}
}
}