mirror of
https://github.com/ShareX/ShareX.git
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198 lines
No EOL
6.7 KiB
C#
198 lines
No EOL
6.7 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (C) 2007-2014 ShareX Developers
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using HelpersLib;
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using SevenZip;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Forms;
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namespace ScreenCaptureLib
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{
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public class FFmpegHelper : ExternalCLIManager
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{
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public static readonly int libmp3lame_qscale_end = 9;
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public static readonly string SourceNone = "None";
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public static readonly string SourceGDIGrab = "GDI grab";
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public StringBuilder Output { get; private set; }
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public ScreencastOptions Options { get; private set; }
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public FFmpegHelper(ScreencastOptions options)
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{
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Output = new StringBuilder();
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OutputDataReceived += FFmpegHelper_DataReceived;
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ErrorDataReceived += FFmpegHelper_DataReceived;
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Options = options;
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Helpers.CreateDirectoryIfNotExist(Options.OutputPath);
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}
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private void FFmpegHelper_DataReceived(object sender, DataReceivedEventArgs e)
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{
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lock (this)
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{
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if (!string.IsNullOrEmpty(e.Data))
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{
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Output.AppendLine(e.Data);
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}
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}
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}
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public bool Record()
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{
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int errorCode = Open(Options.FFmpeg.CLIPath, Options.GetFFmpegCommands());
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bool result = errorCode == 0;
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if (Options.FFmpeg.ShowError && !result)
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{
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new OutputBox(Output.ToString(), "FFmpeg error").ShowDialog();
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}
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return result;
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}
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public static DialogResult DownloadFFmpeg(bool async, DownloaderForm.DownloaderInstallEventHandler installRequested)
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{
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string url;
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if (NativeMethods.Is64Bit())
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{
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url = "http://ffmpeg.zeranoe.com/builds/win64/static/ffmpeg-latest-win64-static.7z";
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}
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else
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{
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url = "http://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-latest-win32-static.7z";
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}
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using (DownloaderForm form = new DownloaderForm(url, "ffmpeg.7z"))
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{
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form.Proxy = ProxyInfo.Current.GetWebProxy();
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form.InstallType = InstallType.Event;
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form.RunInstallerInBackground = async;
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form.InstallRequested += installRequested;
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return form.ShowDialog();
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}
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}
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public static bool ExtractFFmpeg(string zipPath, string extractPath)
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{
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try
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{
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if (NativeMethods.Is64Bit())
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{
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SevenZipExtractor.SetLibraryPath(Path.Combine(Application.StartupPath, "7z-x64.dll"));
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}
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else
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{
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SevenZipExtractor.SetLibraryPath(Path.Combine(Application.StartupPath, "7z.dll"));
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}
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Helpers.CreateDirectoryIfNotExist(extractPath);
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using (SevenZipExtractor zip = new SevenZipExtractor(zipPath))
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{
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Regex regex = new Regex(@"^ffmpeg-.+\\bin\\ffmpeg\.exe$", RegexOptions.Compiled | RegexOptions.CultureInvariant);
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foreach (ArchiveFileInfo item in zip.ArchiveFileData)
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{
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if (regex.IsMatch(item.FileName))
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{
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using (FileStream fs = new FileStream(extractPath, FileMode.Create, FileAccess.Write, FileShare.None))
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{
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zip.ExtractFile(item.Index, fs);
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return true;
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}
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}
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}
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}
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}
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catch (Exception e)
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{
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DebugHelper.WriteException(e);
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}
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return false;
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}
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public DirectShowDevices GetDirectShowDevices()
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{
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DirectShowDevices devices = new DirectShowDevices();
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if (File.Exists(Options.FFmpeg.CLIPath))
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{
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string arg = "-list_devices true -f dshow -i dummy";
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Open(Options.FFmpeg.CLIPath, arg);
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string output = Output.ToString();
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string[] lines = output.Lines();
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bool isVideo = true;
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Regex regex = new Regex("\\[dshow @ \\w+\\] \"(.+)\"", RegexOptions.Compiled | RegexOptions.CultureInvariant);
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foreach (string line in lines)
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{
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if (line.EndsWith("] DirectShow video devices", StringComparison.InvariantCulture))
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{
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isVideo = true;
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continue;
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}
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else if (line.EndsWith("] DirectShow audio devices", StringComparison.InvariantCulture))
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{
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isVideo = false;
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continue;
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}
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Match match = regex.Match(line);
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if (match.Success)
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{
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string value = match.Groups[1].Value;
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if (isVideo)
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{
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devices.VideoDevices.Add(value);
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}
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else
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{
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devices.AudioDevices.Add(value);
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}
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}
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}
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}
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return devices;
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}
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public override void Close()
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{
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WriteInput("q");
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}
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}
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public class DirectShowDevices
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{
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public List<string> VideoDevices = new List<string>();
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public List<string> AudioDevices = new List<string>();
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}
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} |