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https://github.com/ShareX/ShareX.git
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128 lines
No EOL
4.2 KiB
C#
128 lines
No EOL
4.2 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) 2008-2014 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 System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace ScreenCaptureLib
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{
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public class ScreencastOptions
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{
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public string OutputPath;
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public int FPS;
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public Rectangle CaptureArea;
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public float Duration;
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public bool DrawCursor;
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public IntPtr ParentWindow;
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public bool ShowAVIOptionsDialog;
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public AVIOptions AVI = new AVIOptions();
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public FFmpegOptions FFmpeg = new FFmpegOptions();
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public string GetFFmpegArgs()
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{
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StringBuilder args = new StringBuilder();
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// http://ffmpeg.org/ffmpeg-devices.html#gdigrab
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args.AppendFormat("-f gdigrab -framerate {0} -offset_x {1} -offset_y {2} -video_size {3}x{4} -draw_mouse {5} -show_region {6} -i desktop ",
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FPS, CaptureArea.X, CaptureArea.Y, CaptureArea.Width, CaptureArea.Height, DrawCursor ? 1 : 0, 0);
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args.AppendFormat("-c:v {0} ", FFmpeg.VideoCodec.ToString());
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// output FPS
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args.AppendFormat("-r {0} ", FPS);
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switch (FFmpeg.VideoCodec)
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{
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case FFmpegVideoCodec.libx264: // https://trac.ffmpeg.org/wiki/x264EncodingGuide
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args.AppendFormat("-crf {0} ", FFmpeg.CRF);
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args.AppendFormat("-preset {0} ", FFmpeg.Preset.ToString());
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break;
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case FFmpegVideoCodec.libvpx: // https://trac.ffmpeg.org/wiki/vpxEncodingGuide
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args.AppendFormat("-crf {0} ", FFmpeg.CRF);
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break;
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case FFmpegVideoCodec.libxvid: // https://trac.ffmpeg.org/wiki/How%20to%20encode%20Xvid%20/%20DivX%20video%20with%20ffmpeg
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args.AppendFormat("-qscale:v {0} ", FFmpeg.qscale);
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break;
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}
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// -pix_fmt yuv420p required for libx264 otherwise can't stream in Chrome
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if (FFmpeg.VideoCodec == FFmpegVideoCodec.libx264)
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{
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args.Append("-pix_fmt yuv420p ");
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}
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if (Duration > 0)
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{
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args.AppendFormat("-t {0} ", Duration);
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}
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if (!string.IsNullOrEmpty(FFmpeg.UserArgs))
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{
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args.Append(FFmpeg.UserArgs + " ");
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}
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// -y for overwrite file
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args.AppendFormat("-y \"{0}\"", Path.ChangeExtension(OutputPath, FFmpeg.Extension));
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return args.ToString();
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}
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}
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public class AVIOptions
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{
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public AVICOMPRESSOPTIONS CompressOptions;
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}
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public class FFmpegOptions
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{
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public string CLIPath { get; set; }
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public FFmpegVideoCodec VideoCodec { get; set; }
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public string Extension { get; set; }
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public string UserArgs { get; set; }
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// H264
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public FFmpegPreset Preset { get; set; }
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public int CRF { get; set; }
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// H263
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public int qscale { get; set; }
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public FFmpegOptions()
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{
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VideoCodec = FFmpegVideoCodec.libx264;
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Preset = FFmpegPreset.medium;
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CRF = 23;
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qscale = 3;
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Extension = "mp4";
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}
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}
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} |