public async Task <IExtractionResult> Start(string parameters, CancellationToken cancellationToken)
{
if (_wrapper != null)
{
throw new InvalidOperationException("Must create another Extraction resource, cannot reuse.");
}
_wrapper = new FFmpegWrapper();
var result = new ExtractResult
{
StartTime = DateTimeOffset.UtcNow,
Arguments = parameters,
Tracks = _tracks,
Success = true
};
var processResult = await _wrapper.RunProcess(parameters, cancellationToken).ConfigureAwait(false);
if (processResult.ExitCode != 0 || processResult.Output.ToLower().Contains("error"))
{
result.Success = false;
result.Error = processResult.Output;
}
result.EndTime = DateTimeOffset.UtcNow;
return(result);
}