C# FFmpegにコマンド投げる②

ちょっと動画の長さを調整したいとき用。

実行ファイルと同じ場所にffmpeg.exeを置く。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

using System.Runtime.InteropServices;
using QuartzTypeLib;

namespace FFMPEG_UI
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            listBox1.AllowDrop = true;

            textBox1.Text = "00";
            textBox2.Text = "00";
            textBox3.Text = "00";
            textBox4.Text = "000";
            textBox5.Text = "00";
            textBox6.Text = "00";
            textBox7.Text = "00";
            textBox8.Text = "000";
        }

        private void listBox1_DragEnter(object sender, DragEventArgs e)
        {
            if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Effect = DragDropEffects.Copy;
        }

        private void listBox1_DragDrop(object sender, DragEventArgs e)
        {
            listBox1.Items.AddRange((string[])e.Data.GetData(DataFormats.FileDrop, false));
        }

        private void button2_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();

            textBox1.Text = "00";
            textBox2.Text = "00";
            textBox3.Text = "00";
            textBox4.Text = "000";
            textBox5.Text = "00";
            textBox6.Text = "00";
            textBox7.Text = "00";
            textBox8.Text = "000";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string s_h = textBox1.Text;
            string s_m = textBox2.Text;
            string s_s = textBox3.Text;
            string s_ms = textBox4.Text;
            string e_h = textBox5.Text;
            string e_m = textBox6.Text;
            string e_s = textBox7.Text;
            string e_ms = textBox8.Text;

            TimeSpan start_position = new TimeSpan(0, int.Parse(s_h), int.Parse(s_m), int.Parse(s_s), int.Parse(s_ms));
            TimeSpan end_position = new TimeSpan(0, int.Parse(e_h), int.Parse(e_m), int.Parse(e_s), int.Parse(e_ms));
            string interval = (end_position - start_position).TotalSeconds.ToString();

            foreach (string s in listBox1.Items)
            {

                string filePath = System.IO.Path.GetDirectoryName(s) + @"\out_" + System.IO.Path.GetFileName(s);
                
                System.Diagnostics.Process p =
                System.Diagnostics.Process.Start(
                    Application.StartupPath + @"\ffmpeg.exe"
                    , "-ss " + start_position.TotalSeconds.ToString() + " -i \"" + s.ToString() + "\" -t " + interval + " \"" + filePath + "\"");

                p.WaitForExit();
                
            }
        }
    }
}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using QuartzTypeLib;

namespace FFMPEG_UI

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

listBox1.AllowDrop = true;

textBox1.Text = "00";

textBox2.Text = "00";

textBox3.Text = "00";

textBox4.Text = "000";

textBox5.Text = "00";

textBox6.Text = "00";

textBox7.Text = "00";

textBox8.Text = "000";

}

private void listBox1_DragEnter(object sender, DragEventArgs e)

{

if (e.Data.GetDataPresent(DataFormats.FileDrop)) e.Effect = DragDropEffects.Copy;

}

private void listBox1_DragDrop(object sender, DragEventArgs e)

{

listBox1.Items.AddRange((string[])e.Data.GetData(DataFormats.FileDrop, false));

}

private void button2_Click(object sender, EventArgs e)

{

listBox1.Items.Clear();

textBox1.Text = "00";

textBox2.Text = "00";

textBox3.Text = "00";

textBox4.Text = "000";

textBox5.Text = "00";

textBox6.Text = "00";

textBox7.Text = "00";

textBox8.Text = "000";

}

private void button1_Click(object sender, EventArgs e)

{

string s_h = textBox1.Text;

string s_m = textBox2.Text;

string s_s = textBox3.Text;

string s_ms = textBox4.Text;

string e_h = textBox5.Text;

string e_m = textBox6.Text;

string e_s = textBox7.Text;

string e_ms = textBox8.Text;

TimeSpan start_position = new TimeSpan(0, int.Parse(s_h), int.Parse(s_m), int.Parse(s_s), int.Parse(s_ms));

TimeSpan end_position = new TimeSpan(0, int.Parse(e_h), int.Parse(e_m), int.Parse(e_s), int.Parse(e_ms));

string interval = (end_position - start_position).TotalSeconds.ToString();

foreach (string s in listBox1.Items)

{

string filePath = System.IO.Path.GetDirectoryName(s) + @"\out_" + System.IO.Path.GetFileName(s);

System.Diagnostics.Process p =

System.Diagnostics.Process.Start(

Application.StartupPath + @"\ffmpeg.exe"

, "-ss " + start_position.TotalSeconds.ToString() + " -i \"" + s.ToString() + "\" -t " + interval + " \"" + filePath + "\"");

p.WaitForExit();

}