\u7279\u5b9a\u30d5\u30a9\u30eb\u30c0\u4ee5\u4e0b\u306emp4\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u6307\u5b9a\u79d2\u6570\u3067\u53d6\u5f97\u3057\u305f\u304f\u306a\u3063\u305f\u3002\u53d6\u5f97\u3092\u3059\u308b\u305f\u3073\u306b\u65b0\u3057\u3044\u30bf\u30d6\u30da\u30fc\u30b8\u3092\u8ffd\u52a0\u3059\u308b\u3002\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001explorer\u3067\u958b\u304f\u3002<\/p>\n
\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u3058\u5834\u6240\u306bffmpeg.exe\u304c\u5fc5\u8981\u3002<\/p>\n
using System;\r\nusing System.Collections.Generic;\r\nusing System.ComponentModel;\r\nusing System.Data;\r\nusing System.Drawing;\r\nusing System.Linq;\r\nusing System.Text;\r\nusing System.Threading.Tasks;\r\nusing System.Windows.Forms;\r\n\r\nnamespace themenail\r\n{\r\n public partial class Form1 : Form\r\n {\r\n public Form1()\r\n {\r\n InitializeComponent();\r\n toolStripProgressBar1.Visible = false;\r\n }\r\n\r\n private void button1_Click(object sender, EventArgs e)\r\n {\r\n if (textBox1.Text == \"\" || textBox2.Text == \"\") return;\r\n\r\n toolStripProgressBar1.Visible = true;\r\n\r\n string path = textBox2.Text;\r\n string[] files;\r\n\r\n TabPage tp = new TabPage();\r\n ListView lv = new ListView();\r\n ImageList il = new ImageList();\r\n\r\n il.ImageSize = new Size(255, 255);\r\n il.ColorDepth = ColorDepth.Depth32Bit;\r\n\r\n lv.Anchor = AnchorStyles.Top | AnchorStyles.Bottom | AnchorStyles.Left | AnchorStyles.Right;\r\n lv.Size = new Size(tp.Size.Width-2,tp.Height-3);\r\n lv.Top = 2;\r\n lv.LargeImageList = il;\r\n lv.MouseDoubleClick += new MouseEventHandler(DbClick);\r\n\r\n tp.Controls.Add(lv);\r\n tabControl1.Controls.Add(tp);\r\n tabControl1.SelectedTab = tp;\r\n\r\n try\r\n {\r\n files = System.IO.Directory.GetFiles(path, \"*.mp4\",System.IO.SearchOption.AllDirectories);\r\n toolStripProgressBar1.Minimum = 0;\r\n toolStripProgressBar1.Maximum = files.Length;\r\n\r\n for (int i = 0; i < files.Length; i++)\r\n {\r\n Application.DoEvents();\r\n toolStripProgressBar1.Value = i;\r\n\r\n System.Diagnostics.ProcessStartInfo ps = new System.Diagnostics.ProcessStartInfo(\r\n Application.StartupPath + @\"\\ffmpeg.exe\", \"-ss \" + textBox1.Text + \" -i \\\"\" + files[i] + \"\\\" -vframes 1 -f image2 pipe:1\");\r\n ps.RedirectStandardOutput = true;\r\n ps.CreateNoWindow = true;\r\n ps.UseShellExecute = false;\r\n\r\n System.Diagnostics.Process p = new System.Diagnostics.Process();\r\n p.StartInfo = ps;\r\n p.Start();\r\n\r\n Image img = Image.FromStream(p.StandardOutput.BaseStream);\r\n Image theme = img.GetThumbnailImage(255, 255, null, IntPtr.Zero);\r\n\r\n il.Images.Add(theme);\r\n lv.Items.Add(files[i], i);\r\n }\r\n }\r\n catch (Exception ex)\r\n {\r\n MessageBox.Show(ex.Message);\r\n }\r\n\r\n toolStripProgressBar1.Visible = false;\r\n\r\n MessageBox.Show(\"\u5b8c\u4e86\");\r\n }\r\n\r\n private void DbClick(object sender, MouseEventArgs e)\r\n {\r\n string path = ((ListView)sender).SelectedItems[0].Text;\r\n System.Diagnostics.Process p = new System.Diagnostics.Process();\r\n p.StartInfo.FileName = \"explorer\";\r\n p.StartInfo.Arguments = \"\/select,\" + path;\r\n p.Start();\r\n }\r\n }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"\u7279\u5b9a\u30d5\u30a9\u30eb\u30c0\u4ee5\u4e0b\u306emp4\u306e\u30b5\u30e0\u30cd\u30a4\u30eb\u3092\u6307\u5b9a\u79d2\u6570\u3067\u53d6\u5f97\u3057\u305f\u304f\u306a\u3063\u305f\u3002\u53d6\u5f97\u3092\u3059\u308b\u305f\u3073\u306b\u65b0\u3057\u3044\u30bf\u30d6\u30da\u30fc\u30b8\u3092\u8ffd\u52a0\u3059\u308b\u3002\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001explorer\u3067\u958b\u304f\u3002 \u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3068\u540c\u3058\u5834\u6240\u306bffmpeg.exe\u304c\u5fc5\u8981\u3002 usin … <\/p>\n