internal async static Task Copy(CancellationToken cancel, string source, string dest)
{
if (cancel.IsCancellationRequested)
{
return;
}
using (new LogScope(log, "Copy {0} to {1}", source, dest))
{
if (Directory.Exists(source))
{
var d = new DirectoryInfo(source);
EnsureDirectoryExists(dest);
foreach (var c in d.GetFileSystemInfos())
{
await Copy(cancel, c.FullName, Path.Combine(dest, c.Name));
}
}
else
{
var si = new FileInfo(source);
var di = new FileInfo(dest);
var needCopy = !di.Exists || (si.LastWriteTimeUtc != di.LastWriteTimeUtc) || (si.Length != di.Length);
if (needCopy)
{
using (var t = new FileTransaction(dest))
{
using (var r = File.OpenRead(source))
using (var w = File.OpenWrite(t.TempPath))
{
await r.CopyToAsync(w, 0x10000, cancel);
}
t.Commit();
}
}
}
}
}
public async static Task AudioFileToTipToiAudioFile(CancellationToken cancellationToken, string sourceFile, string oggDestinationFile)
{
using (new LogScope(log, "Convert {0} to {1}", sourceFile, oggDestinationFile))
{
using (var t = new FileTransaction(oggDestinationFile))
{
var ext = Path.GetExtension(sourceFile).ToLowerInvariant();
var wavFile = oggDestinationFile + ".wav";
try
{
switch (ext)
{
case mp3Extension:
{
await SubProcess.CheckedCall(cancellationToken
, "mpg123.exe",
"-w", wavFile.Quote(),
sourceFile.Quote());
bool isMono = true;
await SubProcess.CheckedCall(cancellationToken,
"oggenc2.exe",
wavFile.Quote(),
("--output=" + t.TempPath).Quote(),
"--resample", "22500",
"--quiet",
isMono?null : "--downmix"
);
}
break;
case oggExtension:
{
bool isMono = GetIsMonoFromOggdecOutput(await SubProcess.GetOutput(cancellationToken
, "oggdec.exe",
"--wavout", wavFile.Quote(),
"-q",
sourceFile.Quote()));
await SubProcess.CheckedCall(cancellationToken,
"oggenc2.exe",
wavFile.Quote(),
("--output=" + t.TempPath).Quote(),
"--resample", "22500",
"--quiet",
isMono?null : "--downmix"
);
}
break;
case wavExtension:
{
await SubProcess.CheckedCall(cancellationToken,
"oggenc2.exe",
sourceFile.Quote(),
"-o", t.TempPath.Quote(),
"--quiet",
"--resample", "22500",
"--downmix");
}
break;
default:
throw new ArgumentOutOfRangeException("sourceFile", sourceFile, "File type is not supported.");
}
}
finally
{
PathUtil.EnsureFileNotExists(wavFile);
}
t.Commit();
}
}
}
public async static Task AudioFileToTipToiAudioFile(CancellationToken cancellationToken, string sourceFile, string oggDestinationFile)
{
using (new LogScope(log, "Convert {0} to {1}", sourceFile, oggDestinationFile))
{
using (var t = new FileTransaction(oggDestinationFile))
{
var ext = Path.GetExtension(sourceFile).ToLowerInvariant();
var wavFile = oggDestinationFile + ".wav";
try
{
switch (ext)
{
case mp3Extension:
{
await SubProcess.CheckedCall(cancellationToken
, "mpg123.exe",
"-w", wavFile.Quote(),
sourceFile.Quote());
bool isMono = true;
await SubProcess.CheckedCall(cancellationToken,
"oggenc2.exe",
wavFile.Quote(),
("--output=" + t.TempPath).Quote(),
"--resample", "22500",
"--quiet",
isMono ? null : "--downmix"
);
}
break;
case oggExtension:
{
bool isMono = GetIsMonoFromOggdecOutput(await SubProcess.GetOutput(cancellationToken
, "oggdec.exe",
"--wavout", wavFile.Quote(),
"-q",
sourceFile.Quote()));
await SubProcess.CheckedCall(cancellationToken,
"oggenc2.exe",
wavFile.Quote(),
("--output=" + t.TempPath).Quote(),
"--resample", "22500",
"--quiet",
isMono ? null : "--downmix"
);
}
break;
case wavExtension:
{
await SubProcess.CheckedCall(cancellationToken,
"oggenc2.exe",
sourceFile.Quote(),
"-o", t.TempPath.Quote(),
"--quiet",
"--resample", "22500",
"--downmix");
}
break;
default:
throw new ArgumentOutOfRangeException("sourceFile", sourceFile, "File type is not supported.");
}
}
finally
{
PathUtil.EnsureFileNotExists(wavFile);
}
t.Commit();
}
}
}