基于C#实现乱码视频效果

C#实现乱码视频效果 C#乱码视频效果 C#乱码视频 2023-01-12 15:01:31 480人浏览八月长安

摘要

目录文章描述开发环境开发工具实现代码实现效果文章描述这个效果可能很多人都在抖音看到过，即把一个短视频，转成数字、字母等乱码组成的形式进行播放。开发环境 .net Framewo

文章描述

这个效果可能很多人都在抖音看到过，即把一个短视频，转成数字、字母等乱码组成的形式进行播放。

开发环境

.net Framework版本：4.5

开发工具

Visual Studio 2013

实现代码

private void btn_convert_Click(object sender, EventArgs e)
        {
            string framePath = Application.StartupPath + "\\temp";
            if (Directory.Exists(framePath))
            {
                Directory.Delete(framePath, true);
            }
            Directory.CreateDirectory(framePath);

            //string newFramePath = Application.StartupPath + "\\newTemp";
            //if (Directory.Exists(newFramePath))
            //{
            //    Directory.Delete(newFramePath, true);
            //}
            //Directory.CreateDirectory(newFramePath);


            FFmpegUtil.Split(axwindowsMediaPlayer1.URL, framePath);


            List<char> listChar = new List<char>();
            for (char i = 'a'; i <= 'z'; i++)
            {
                listChar.Add(i);
            }
            for (char i = 'A'; i <= 'Z'; i++)
            {
                listChar.Add(i);
            }
            for (char i = '0'; i <= '9'; i++)
            {
                listChar.Add(i);
            }

            string[] imgUrls = Directory.GetFiles(framePath);
            Bitmap img = null;
            for (int u = 0; u < imgUrls.Length; u++)
            {
                img = (Bitmap)Image.FromFile(imgUrls[u]);
                double threshold = ImageUtil.GetAverageThreshold(img);
                ImageUtil.Threshold(img, threshold);

                StringBuilder builder = new StringBuilder();
                Random random = new Random();

                for (int y = 0; y < img.Height; y += 16)
                {
                    for (int x = 0; x < img.Width; x += 8)
                    {
                        if (ImageUtil.GetGrayValue(img.GetPixel(x, y)) < threshold)
                        {
                            builder.Append(listChar[random.Next(62)]);
                        }
                        else
                        {
                            builder.Append(" ");
                        }

                    }
                    builder.Append("\r\n");
                }
                File.WriteAllText(@"C:\Users\Zero\Desktop\a\b\" + u + ".txt", builder.ToString());
            }
            MessageBox.Show("转换完成");

        }

        private void btn_show_Click(object sender, EventArgs e)
        {
            new FORMShow(@"C:\Users\Zero\Desktop\a\b\").Show();
        }

 private void FormShow_Load(object sender, EventArgs e)
        {
            List<string> list = Directory.GetFiles(_path, "*.txt").ToList();
            if (list.Count == 0)
            {
                return;
            }
            list.Sort((a, b) =>
            {
                string reg = "[0-9]+";
                int a_index = int.Parse(Regex.Match(a, reg).Value);
                int b_index = int.Parse(Regex.Match(b, reg).Value);
                return a_index.CompareTo(b_index);
            });
            richTextBox1.Text = File.ReadAllText(list[0]);
            Width = richTextBox1.Lines.Max(s => s).Length * 5;
            Height = richTextBox1.Lines.Length * 10;
            Location = new Point(Location.X, 10);

            new Task(async () =>
            {
                foreach (string str in list)
                {
                    if (!this.IsDisposed)
                    {
                        this.BeginInvoke(new Action(() =>
                        {
                            richTextBox1.Text = File.ReadAllText(str);
                        }));
                    }
                    await Task.Delay(260);
                }
            }).Start();
        }