public async Task <bool> BeginGenGif(object o)
{
return(await Task.Run(() => {
object[] list = o as object[];
string cutoffTime = list[0] as string;
string filePath = list[1] as string;
string GifPath = list[2] as string;
int duration = Properties.Settings.Default.Gif_Duration;
int width = Properties.Settings.Default.Gif_Width;
int height = Properties.Settings.Default.Gif_Height;
if (Properties.Settings.Default.Gif_AutoHeight)
{
(double w, double h) = MediaParse.GetWidthHeight(filePath);
if (w != 0)
{
height = (int)(h / w * (double)width);
}
}
if (width <= 0 || width > 1980)
{
width = 280;
}
if (height <= 0 || height > 1080)
{
height = 170;
}
if (string.IsNullOrEmpty(cutoffTime))
{
return false;
}
System.Diagnostics.Process p = new System.Diagnostics.Process();
p.StartInfo.FileName = "cmd.exe";
p.StartInfo.UseShellExecute = false; //是否使用操作系统shell启动
p.StartInfo.RedirectStandardInput = true; //接受来自调用程序的输入信息
p.StartInfo.RedirectStandardOutput = true; //由调用程序获取输出信息
p.StartInfo.RedirectStandardError = true; //重定向标准错误输出
p.StartInfo.CreateNoWindow = true; //不显示程序窗口
p.Start(); //启动程序
string str = $"\"{Properties.Settings.Default.FFMPEG_Path}\" -y -t {duration} -ss {cutoffTime} -i \"{filePath}\" -s {width}x{height} \"{GifPath}\"";
Console.WriteLine(str);
p.StandardInput.WriteLine(str + "&exit");
p.StandardInput.AutoFlush = true;
string output = p.StandardOutput.ReadToEnd();
p.WaitForExit();//等待程序执行完退出进程
p.Close();
SingleScreenShotCompleted?.Invoke(this, new ScreenShotEventArgs(str, GifPath));
return true;
}));
}
public async Task <bool> BeginGenGif(object o)
{
return(await Task.Run(async() =>
{
object[] list = o as object[];
string cutoffTime = list[0] as string;
string filePath = list[1] as string;
string GifPath = list[2] as string;
int duration = Properties.Settings.Default.Gif_Duration;
int width = Properties.Settings.Default.Gif_Width;
int height = Properties.Settings.Default.Gif_Height;
if (Properties.Settings.Default.Gif_AutoHeight)
{
(double w, double h) = MediaParse.GetWidthHeight(filePath);
if (w != 0)
{
height = (int)(h / w * (double)width);
}
}
if (width <= 0 || width > 1980)
{
width = 280;
}
if (height <= 0 || height > 1080)
{
height = 170;
}
if (string.IsNullOrEmpty(cutoffTime))
{
return false;
}
string str = $"\"{Properties.Settings.Default.FFMPEG_Path}\" -y -t {duration} -ss {cutoffTime} -i \"{filePath}\" -s {width}x{height} \"{GifPath}\"";
string error = await new FFmpegHelper(str, duration * 5).Run();
SingleScreenShotCompleted?.Invoke(this, new ScreenShotEventArgs(str, GifPath, error));
return true;
}));
}
