public async Task <string> StartCommandAsync(ConvInfo convInfo, int quantizerValue)
{
//Processを非同期に実行
using (Process process = GetProcess(convInfo, quantizerValue)) {
if (process == null)
{
convInfo.BpgencSuccess = false;
convInfo.Message = "Could not start bpgenc !";
return("Error : GetProcess Failure !");
}
return(await StartCommandAsync(process, convInfo));
}
}
void AddFilePathToTargetFiles(string filePath)
{
if (IsTargetFile(filePath) == false)
{
return;
}
var info = new ConvInfo();
info.TargetFilePath = filePath;
info.UpdateFileSize();
ConvInfos.Add(info);
}
private async Task <string> StartCommandAsync(Process process, ConvInfo convInfo)
{
using (var cts = new CancellationTokenSource()) {
bool started = false;
process.Exited += (sender, args) => {
//Console.WriteLine($"exited");
while (string.IsNullOrEmpty(StandardOutputResult) ||
string.IsNullOrEmpty(StandardErrorResult))
{
Task.Delay(0);
}
cts.Cancel();
};
process.OutputDataReceived += (sender, args) => {
StandardOutputResult += $"OutputDataReceived : {args.Data}";
};
process.ErrorDataReceived += (sender, args) => {
StandardErrorResult += $"ErrorDataReceived : {args.Data}";
};
//プロセスからの情報を受け取る変数の初期化
StandardOutputResult = "";
StandardErrorResult = "";
await Task.Delay(0);
try {
//プロセスの開始
started = process.Start();
process.BeginOutputReadLine();
process.BeginErrorReadLine();
convInfo.BpgencSuccess = true;
}
catch (Exception e) {
Console.WriteLine($"Exception={e}");
}
cts.Token.WaitHandle.WaitOne();
}
return(StandardOutputResult + StandardErrorResult);
}
Process GetProcess(ConvInfo convInfo, int quantizerValue)
{
if ((File.Exists(bpgencPath) == false) ||
(File.Exists(convInfo.TargetFilePath) == false))
{
return(null);
}
var p = GetProcess(bpgencPath);
string arg = "\"" + convInfo.TargetFilePath + "\" -o \"" + convInfo.GetBPG_Path() + "\"";
arg += " -q " + quantizerValue.ToString();
Debug.WriteLine("arg : " + arg);
p.StartInfo.Arguments = arg;
return(p);
}