private static Instance PrepareInstance(string filePath, int outputCapacity, FFOptions ffOptions)
{
FFProbeHelper.RootExceptionCheck();
FFProbeHelper.VerifyFFProbeExists(ffOptions);
var arguments = $"-loglevel error -print_format json -show_format -sexagesimal -show_streams \"{filePath}\"";
var startInfo = new ProcessStartInfo(GlobalFFOptions.GetFFProbeBinaryPath(), arguments)
{
StandardOutputEncoding = ffOptions.Encoding,
StandardErrorEncoding = ffOptions.Encoding
};
var instance = new Instance(startInfo)
{
DataBufferCapacity = outputCapacity
};
return(instance);
}
private static string GetFFBinaryPath(string name, FFOptions ffOptions)
{
var ffName = name.ToLowerInvariant();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
ffName += ".exe";
}
var target = Environment.Is64BitProcess ? "x64" : "x86";
if (Directory.Exists(Path.Combine(ffOptions.BinaryFolder, target)))
{
ffName = Path.Combine(target, ffName);
}
return(Path.Combine(ffOptions.BinaryFolder, ffName));
}
private Instance PrepareInstance(FFOptions ffMpegOptions,
out CancellationTokenSource cancellationTokenSource)
{
FFMpegHelper.RootExceptionCheck();
FFMpegHelper.VerifyFFMpegExists(ffMpegOptions);
var startInfo = new ProcessStartInfo
{
FileName = GlobalFFOptions.GetFFMpegBinaryPath(ffMpegOptions),
Arguments = _ffMpegArguments.Text,
StandardOutputEncoding = ffMpegOptions.Encoding,
StandardErrorEncoding = ffMpegOptions.Encoding,
};
var instance = new Instance(startInfo);
cancellationTokenSource = new CancellationTokenSource();
if (_onOutput != null || _onTimeProgress != null || (_onPercentageProgress != null && _totalTimespan != null))
{
instance.DataReceived += OutputData;
}
return(instance);
}
public static void Configure(FFOptions ffOptions)
{
Current = ffOptions ?? throw new ArgumentNullException(nameof(ffOptions));
}
