public static int GetProcessPid(string processName)
{
string cmd = "";
if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
cmd = "ps -aux |grep " + processName + "|grep -v grep|awk \'{print $2}\'";
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
{
cmd = "ps -A |grep " + processName + "|grep -v grep|awk \'{print $1}\'";
}
LinuxShell.Run(cmd, 1000, out string std, out string err);
if (string.IsNullOrEmpty(std) && string.IsNullOrEmpty(err))
{
return(-1);
}
int pid = -1;
if (!string.IsNullOrEmpty(std))
{
int.TryParse(std, out pid);
}
if (!string.IsNullOrEmpty(err))
{
int.TryParse(err, out pid);
}
return(pid);
}
private static bool ifNotMp4(string ffmpegBinPath, string videoFilePath, out string videoPath)
{
string ext = Path.GetExtension(videoFilePath);
string newFileName = videoFilePath.Replace(ext, ".mp4");
string ffmpegCmd = ffmpegBinPath + " -i " + videoFilePath + " -c copy -movflags faststart " +
newFileName;
videoPath = newFileName;
if (!string.IsNullOrEmpty(ext) && !ext.Trim().ToLower().Equals(".mp4"))
{
if (LinuxShell.Run(ffmpegCmd, 60 * 1000 * 5, out string std, out string err))
{
if (!string.IsNullOrEmpty(std) || !string.IsNullOrEmpty(err))
{
if (File.Exists(newFileName))
{
FileInfo fi = new FileInfo(newFileName);
if (fi.Length > 100)
{
File.Delete(videoFilePath);
return(true);
}
return(false);
}
return(false);
}
return(false);
}
}
return(true);
}
/// <summary>
/// 输出视频的时长（毫秒）
/// </summary>
/// <param name="ffmpegBinPath"></param>
/// <param name="videoFilePath"></param>
/// <param name="duartion"></param>
/// <returns></returns>
public static bool GetDuration(string ffmpegBinPath, string videoFilePath, out long duartion)
{
duartion = -1;
if (File.Exists(ffmpegBinPath) && File.Exists(videoFilePath))
{
string cmd = ffmpegBinPath + " -i " + videoFilePath;
if (LinuxShell.Run(cmd, 1000, out string std, out string err))
{
if (!string.IsNullOrEmpty(std) || !string.IsNullOrEmpty(err))
{
string tmp = "";
if (!string.IsNullOrEmpty(std))
{
tmp = GetValue(std, "Duration:", ",");
}
if (string.IsNullOrEmpty(tmp))
{
tmp = GetValue(err, "Duration:", ",");
}
if (!string.IsNullOrEmpty(tmp))
{
string[] tmpArr = tmp.Split(':', StringSplitOptions.RemoveEmptyEntries);
if (tmpArr.Length == 3)
{
int hour = int.Parse(tmpArr[0]);
int min = int.Parse(tmpArr[1]);
int sec = 0;
int msec = 0;
if (tmpArr[2].Contains('.'))
{
string[] tmpArr2 = tmpArr[2].Split('.', StringSplitOptions.RemoveEmptyEntries);
sec = int.Parse(tmpArr2[0]);
msec = int.Parse(tmpArr2[1]);
}
else
{
sec = int.Parse(tmpArr[2]);
}
hour = hour * 3600; //换成秒数
min = min * 60;
sec = sec + hour + min; //合计秒数
duartion = sec * 1000 + (msec * 10); //算成毫秒
LogWriter.WriteLog("获取视频时长：" + duartion.ToString() + "毫秒", videoFilePath);
return(true);
}
}
}
}
}
return(false);
}
public static void KillProcess(int pid)
{
string cmd = "kill -9 " + pid.ToString();
LinuxShell.Run(cmd, 1000);
}
