public static async Task <int> GetDurationAsync(Media media, List <IParam> parameters, CancellationToken token)
{
int duration = 0;
IParam startTime = parameters.Find(e => e.Key == "-ss");
IParam endTime = parameters.Find(e => e.Key == "-to");
int[] times = new int[] { 3600, 60, 1 };
string commandStr = $"-i \"{media.Path}\"";
ProcessCommand process = new ProcessCommand(commandStr, token);
await foreach (string result in process.ResultAsync(token))
{
log.Info(result);
if (result != null && result.Contains("Duration"))
{
Match regex = new Regex(@"Duration: (\d+):(\d+):(\d+)").Match(result);
duration = regex.Groups.Values.TakeLast(3).Zip(times).Select((f, s) => f.First.Value.ToInt() * f.Second).Sum();
log.Info($"duration: {duration}");
break;
}
}
duration = endTime?.Value?.ToSeconds() ?? duration;
duration -= startTime?.Value?.ToSeconds() ?? 0;
return(duration);
}
public static async Task ConvertAsync(Media media, List <IParam> parameters, CancellationToken token)
{
string newFile = NewFile(media, parameters);
string paramsStr = string.Join(" ", parameters.Select(e => $"{e.Key} {e.Value}"));
string commandStr = $"-i \"{media.Path}\" {paramsStr} \"{newFile}\"";
ProcessCommand process = new ProcessCommand(commandStr, token);
int duration = await GetDurationAsync(media, parameters, token);
log.Info(duration);
media.State = State.Converting;
await foreach (string result in process.ResultAsync(token))
{
ProcessResult(media, result, duration);
}
media.Eta = "Finished";
media.State = State.Finished;
log.Info($"{media.FileName} finished");
}