private void btnOpen_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "MP4 文件 (*.mp4)|*.mp4|视频剪辑 (*.avi)|*.avi|MKV 文件 (*.mkv)|*.mkv" +
"|Rmvb 文件 (*.rmvb)|*.rmvb|WMV 文件 (*.wmv)|*.wmv|FLV 文件 (*.flv)|*.flv";
if (ofd.ShowDialog() == DialogResult.OK)
{
txtFileName.Text = ofd.FileName;
picThumb.Image = null;
long size = new FileInfo(ofd.FileName).Length;
string formatSize = FileUtility.GetFileSize(size);
labSize.Text = string.Format("大小：{0}", formatSize);
string d = FFmpegUtility.GetDuration(ofd.FileName);
labTime.Text = string.Format("时长：{0}", d);
trackBar.Minimum = 1;
trackBar.Maximum = GetDurationInt(d);
trackBar.Value = 1;
password = "";
int len = trackBar.Maximum > 10 ? 10 : 1;
picThumb.Image = FFmpegUtility.GetVideoThumbnail(ofd.FileName, len);
}
}
private void trackBar_MouseUp(object sender, MouseEventArgs e)
{
picThumb.Image = null;
picThumb.Image = FFmpegUtility.GetVideoThumbnail(txtFileName.Text, trackBar.Value);
}
