public static bool AutoGenerateVideoInfo(IAssFormat format, VideoFileInfo file)
{
if (new[] { "jpg", "tif", "raw", "png", "dng", "arw", "nef", "cr2", "rw2" }.Contains(file.File.Extension.ToLower().TrimStart('.')))
{
file.StartTime = file.File.LastWriteTime;
return(true);
}
ProcessStartInfo startInfo = new ProcessStartInfo()
{
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardError = true,
RedirectStandardInput = true,
RedirectStandardOutput = true,
FileName = "ffprobe",
Arguments = $"-v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 \"{file.FilePath}\""
};
Process p = new Process()
{
StartInfo = startInfo
};
p.Start();
p.WaitForExit();
var output = p.StandardOutput.ReadToEnd().Trim();
if (double.TryParse(output, out double length))
{
file.Length = TimeSpan.FromSeconds(length);
}
else
{
return(false);
}
var modifiedTime = file.File.LastWriteTime;
file.StartTime = modifiedTime - file.Length;
return(true);
}
private async void HyperlinkButton_Click(object sender, RoutedEventArgs e)
{
VideoFileInfo file = (sender as FrameworkElement).Tag as VideoFileInfo;
(sender as FrameworkElement).IsEnabled = false;
try
{
new Process()
{
StartInfo = new ProcessStartInfo(file.FilePath)
{
UseShellExecute = true
}
}.Start();
}
catch (Exception ex)
{
await ShowMessageAsync("无法打开该文件：" + ex.Message);
}
await Task.Delay(1000);
(sender as FrameworkElement).IsEnabled = true;
}