lazy-compress-h265/Form1.cs

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9.3 KiB
C#
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
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using Microsoft.Win32;
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namespace CompressH265 {
public partial class Form1 : Form {
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private bool isFromContextMenu = false;
private bool installed = false;
private int nextTaskID = 0;
private int runningProcessCount = 0;
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private LinkedList<Process> processList = new LinkedList<Process>();
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public Form1() {
InitializeComponent();
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}
private void Form1_Load(object sender, EventArgs e) {
var version = Assembly.GetExecutingAssembly().GetName().Version;
Text = Text + " v" + version.Major + "." + version.Minor;
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AddShieldToButton(buttonContextMenu);
string[] args = Environment.GetCommandLineArgs();
var isInputFilePath = false;
foreach (var arg in args) {
if (arg == "-i") {
isInputFilePath = true;
} else if (isInputFilePath) {
isFromContextMenu = true;
textBox1.Text = arg;
isInputFilePath = false;
button2_Click(null, null);
}
}
UpdateContextMenuButton();
}
public void UpdateContextMenuButton() {
var a = Registry.ClassesRoot.OpenSubKey("*\\shell\\Compress to H.265 (HEVC)");
if (a == null) {
buttonContextMenu.Text = "Install to Context Menu";
installed = false;
} else {
buttonContextMenu.Text = "Uninstall from Context Menu";
installed = true;
}
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}
private void button1_Click(object sender, EventArgs e) {
openFileDialog1.ShowDialog();
}
private void openFileDialog1_FileOk(object sender, CancelEventArgs e) {
textBox1.Text = openFileDialog1.FileName;
}
private void Form1_DragDrop(object sender, DragEventArgs e) {
string[] fileList = (string[])e.Data.GetData(DataFormats.FileDrop, false);
textBox1.Text = fileList[0];
}
private void Form1_DragEnter(object sender, DragEventArgs e) {
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.None;
}
}
private void button2_Click(object sender, EventArgs e) {
var inputFilename = textBox1.Text;
var shortName = Path.GetFileName(inputFilename);
if (inputFilename.Trim() == "") {
MessageBox.Show("Please select or drag-and-drop a file.");
return;
}
if (!File.Exists(inputFilename)) {
MessageBox.Show("File Not Found");
return;
}
var creationTime = File.GetCreationTime(inputFilename);
var lastAccessTime = File.GetLastAccessTime(inputFilename);
var lastWriteTime = File.GetLastWriteTime(inputFilename);
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Process process = new Process();
process.EnableRaisingEvents = true;
var outputFilename = inputFilename + ".h265.mp4";
if (File.Exists(outputFilename)) {
MessageBox.Show("The output file name is existing. Please move or delete it before converting. " + outputFilename);
return;
}
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// Get FPS
var fps = GetFPS(inputFilename);
var fpsParam = "";
if (fps > 0) {
fpsParam = "-r " + fps;
}
// Converting
process.StartInfo.FileName = "ffmpeg.exe";
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process.StartInfo.Arguments = $" -i \"{inputFilename}\" -vcodec hevc -map_metadata 0 -vf yadif -crf 20 -preset medium {fpsParam} \"{outputFilename}\"";
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process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
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MessageBox.Show(process.StartInfo.Arguments);
var rowID = nextTaskID++;
var msgQueue = new Queue<string>();
dataGridView1.Rows.Insert(rowID, shortName, "Preparing...");
var row = dataGridView1.Rows[rowID];
process.StartInfo.RedirectStandardError = true;
process.ErrorDataReceived += (errorEvent,errorArgs) => {
if (errorArgs.Data == null || errorArgs.Data.Trim() == "") {
return;
}
msgQueue.Enqueue(errorArgs.Data);
if (msgQueue.Count == 5) {
msgQueue.Dequeue();
}
row.Cells[1].Value = String.Join(" | ", msgQueue.Reverse());
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};
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process.Exited += (sender2, e2) => {
if (File.Exists(outputFilename)) {
File.SetCreationTime(outputFilename, creationTime);
File.SetLastAccessTime(outputFilename, lastAccessTime);
File.SetLastWriteTime(outputFilename, lastWriteTime);
}
msgQueue.Enqueue("Finish");
row.Cells[1].Value = String.Join(" | ", msgQueue.Reverse());
if (isFromContextMenu) {
//System.Environment.Exit(1);
}
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runningProcessCount--;
};
runningProcessCount++;
process.Start();
process.BeginErrorReadLine();
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processList.AddLast(process);
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}
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private float GetFPS(string inputFilename) {
Process process = new Process();
process.StartInfo.FileName = "ffmpeg.exe";
process.StartInfo.Arguments = $"-i \"{inputFilename}\"";
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.RedirectStandardError = true;
process.Start();
process.WaitForExit();
string err = process.StandardError.ReadToEnd();
var end = err.IndexOf(" fps,");
if (end < 0) {
return -1f;
}
var start = end;
while (true) {
if (err[start - 1] == ' ') {
break;
}
start--;
if (start < 0) {
return -1;
}
}
return float.Parse(err.Substring(start, end - start));
}
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private void button3_Click(object sender, EventArgs e) {
ProcessStartInfo info = new ProcessStartInfo();
info.FileName = System.Reflection.Assembly.GetExecutingAssembly().Location;
info.UseShellExecute = true;
info.Verb = "runas"; // Provides Run as Administrator
if (installed) {
info.Arguments = "-uninstallcontextmenu";
} else {
info.Arguments = "-contextmenu";
}
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try {
if (Process.Start(info) != null) {
MessageBox.Show("Installed successfully.");
UpdateContextMenuButton();
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} else {
MessageBox.Show("Error");
}
} catch (Exception exception) {
MessageBox.Show("Error: You have to allow UAC in order to install to the context menu.");
}
}
[DllImport("user32.dll")]
public static extern int SendMessage(IntPtr hWnd,
uint Msg, int wParam, int lParam);
// Make the button display the UAC shield.
public static void AddShieldToButton(Button btn)
{
const Int32 BCM_SETSHIELD = 0x160C;
// Give the button the flat style and make it
// display the UAC shield.
btn.FlatStyle = System.Windows.Forms.FlatStyle.System;
SendMessage(btn.Handle, BCM_SETSHIELD, 0, 1);
}
private void Form1_Shown(object sender, EventArgs e) {
if (isFromContextMenu) {
//Hide();
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}
}
private void linkLabel1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e) {
System.Diagnostics.Process.Start("https://github.com/louislam/lazy-compress-h265");
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e) {
if (runningProcessCount > 0) {
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var result = MessageBox.Show("Are you sure want to stop the processing?", "Stop process", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
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if (result == DialogResult.Yes) {
foreach (var p in processList) {
p.Kill();
}
} else {
e.Cancel = true;
}
}
}
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}
}