private FFMpegArguments(IInputArgument inputArgument)
{
_inputArgument = inputArgument;
_arguments = new List <IArgument> {
inputArgument
};
}
public async Task ConvertAsync(IInputArgument input, Stream output, ConversionOptions options, CancellationToken cancellationToken)
{
var pipeName = $"{_pipePrefix}{Guid.NewGuid()}";
var parameters = new FFmpegParameters
{
Task = FFmpegTask.Convert,
Input = input,
Output = new OutputPipe(GetPipePath(pipeName)),
ConversionOptions = options
};
var process = CreateProcess(parameters);
var pipe = new NamedPipeServerStream(pipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
await pipe.WaitForConnectionAsync(cancellationToken);
await Task.WhenAll(
pipe.CopyToAsync(output, cancellationToken),
process.ExecuteAsync(cancellationToken).ContinueWith(x =>
{
pipe.Disconnect();
pipe.Dispose();
}, cancellationToken)
).ConfigureAwait(false);
Cleanup(process);
}
private FFMpegArguments WithInput(IInputArgument inputArgument, Action <FFMpegArgumentOptions>?addArguments)
{
var arguments = new FFMpegArgumentOptions();
addArguments?.Invoke(arguments);
Arguments.AddRange(arguments.Arguments);
Arguments.Add(inputArgument);
return(this);
}
public async Task <Stream> ConvertAsync(IInputArgument input, ConversionOptions options, CancellationToken cancellationToken)
{
var ms = new MemoryStream();
await ConvertAsync(input, ms, options, cancellationToken).ConfigureAwait(false);
ms.Position = 0;
return(ms);
}
internal ConversionProgressEventArgs(ProgressData progressData, IInputArgument input, IOutputArgument output, MediaInfo mediaInfo)
{
Input = input;
Output = output;
TotalDuration = progressData.TotalDuration;
ProcessedDuration = progressData.ProcessedDuration;
Frame = progressData.Frame;
Fps = progressData.Fps;
SizeKb = progressData.SizeKb;
Bitrate = progressData.Bitrate;
MediaInfo = mediaInfo;
}
public ConversionDataEventArgs(string data, IInputArgument input, IOutputArgument output)
{
Data = data;
Input = input;
Output = output;
}
public ConversionCompleteEventArgs(IInputArgument input, IOutputArgument output)
{
Input = input;
Output = output;
}
public ConversionErrorEventArgs(FFmpegException exception, IInputArgument input, IOutputArgument output)
{
Exception = exception;
Input = input;
Output = output;
}
