mirror of
https://github.com/ShareX/ShareX.git
synced 2024-10-04 12:14:45 +13:00
935395372f
Removed Screen recording Output option instead added separate hotkey for GIF recording to make it less confusing to set hotkey, Removed AVI (VCM) recording because it was not good enough and FFmpeg better than it, Fixed max fps problem in FFmpeg dshow device
187 lines
No EOL
8.6 KiB
C#
187 lines
No EOL
8.6 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 © 2007-2015 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 ShareX.HelpersLib;
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using System;
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using System.Drawing;
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using System.Globalization;
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using System.IO;
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using System.Text;
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namespace ShareX.ScreenCaptureLib
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{
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public class ScreencastOptions
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{
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public ScreenRecordOutput OutputType { get; set; }
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public string OutputPath { get; set; }
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public int GIFFPS { get; set; }
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public int ScreenRecordFPS { get; set; }
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public Rectangle CaptureArea { get; set; }
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public float Duration { get; set; }
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public bool DrawCursor { get; set; }
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public FFmpegOptions FFmpeg { get; set; }
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public ScreencastOptions()
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{
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FFmpeg = new FFmpegOptions();
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}
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public string GetFFmpegCommands()
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{
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string commands;
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if (!string.IsNullOrEmpty(FFmpeg.VideoSource) && FFmpeg.VideoSource.Equals("screen-capture-recorder", StringComparison.InvariantCultureIgnoreCase))
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{
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// https://github.com/rdp/screen-capture-recorder-to-video-windows-free
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string registryPath = "Software\\screen-capture-recorder";
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RegistryHelpers.CreateRegistry(registryPath, "start_x", CaptureArea.X);
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RegistryHelpers.CreateRegistry(registryPath, "start_y", CaptureArea.Y);
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RegistryHelpers.CreateRegistry(registryPath, "capture_width", CaptureArea.Width);
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RegistryHelpers.CreateRegistry(registryPath, "capture_height", CaptureArea.Height);
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RegistryHelpers.CreateRegistry(registryPath, "default_max_fps", 60);
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RegistryHelpers.CreateRegistry(registryPath, "capture_mouse_default_1", DrawCursor ? 1 : 0);
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}
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if (FFmpeg.UseCustomCommands && !string.IsNullOrEmpty(FFmpeg.CustomCommands))
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{
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commands = FFmpeg.CustomCommands.
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Replace("$fps$", ScreenRecordFPS.ToString(), StringComparison.InvariantCultureIgnoreCase).
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Replace("$area_x$", CaptureArea.X.ToString(), StringComparison.InvariantCultureIgnoreCase).
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Replace("$area_y$", CaptureArea.Y.ToString(), StringComparison.InvariantCultureIgnoreCase).
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Replace("$area_width$", CaptureArea.Width.ToString(), StringComparison.InvariantCultureIgnoreCase).
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Replace("$area_height$", CaptureArea.Height.ToString(), StringComparison.InvariantCultureIgnoreCase).
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Replace("$cursor$", DrawCursor ? "1" : "0", StringComparison.InvariantCultureIgnoreCase).
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Replace("$duration$", Duration.ToString("0.0", CultureInfo.InvariantCulture), StringComparison.InvariantCultureIgnoreCase).
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Replace("$output$", Path.ChangeExtension(OutputPath, FFmpeg.Extension), StringComparison.InvariantCultureIgnoreCase);
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}
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else
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{
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commands = GetFFmpegArgs();
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}
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return commands.Trim();
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}
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public string GetFFmpegArgs(bool isCustom = false)
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{
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if (!FFmpeg.IsVideoSourceSelected && !FFmpeg.IsAudioSourceSelected)
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{
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return null;
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}
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StringBuilder args = new StringBuilder();
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args.Append("-y "); // -y for overwrite file
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args.Append("-rtbufsize 100M "); // default real time buffer size was 3041280 (3M)
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string fps = isCustom ? "$fps$" : ScreenRecordFPS.ToString();
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if (FFmpeg.IsVideoSourceSelected)
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{
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if (FFmpeg.VideoSource.Equals(FFmpegHelper.SourceGDIGrab, StringComparison.InvariantCultureIgnoreCase))
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{
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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} -i desktop ",
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fps, isCustom ? "$area_x$" : CaptureArea.X.ToString(), isCustom ? "$area_y$" : CaptureArea.Y.ToString(),
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isCustom ? "$area_width$" : CaptureArea.Width.ToString(), isCustom ? "$area_height$" : CaptureArea.Height.ToString(),
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isCustom ? "$cursor$" : DrawCursor ? "1" : "0");
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if (FFmpeg.IsAudioSourceSelected)
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{
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args.AppendFormat("-f dshow -i audio=\"{0}\" ", FFmpeg.AudioSource);
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}
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}
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else
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{
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args.AppendFormat("-f dshow -framerate {0} -i video=\"{1}\"", fps, FFmpeg.VideoSource);
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if (FFmpeg.IsAudioSourceSelected)
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{
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args.AppendFormat(":audio=\"{0}\" ", FFmpeg.AudioSource);
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}
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else
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{
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args.Append(" ");
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}
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}
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}
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else if (FFmpeg.IsAudioSourceSelected)
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{
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args.AppendFormat("-f dshow -i audio=\"{0}\" ", FFmpeg.AudioSource);
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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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if (FFmpeg.IsVideoSourceSelected)
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{
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args.AppendFormat("-c:v {0} ", FFmpeg.VideoCodec.ToString());
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args.AppendFormat("-r {0} ", fps); // output 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.x264_CRF);
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args.AppendFormat("-preset {0} ", FFmpeg.Preset.ToString());
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args.AppendFormat("-tune {0} ", "zerolatency");
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args.Append("-pix_fmt yuv420p "); // -pix_fmt yuv420p required otherwise can't stream in Chrome
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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.VPx_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.XviD_qscale);
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break;
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}
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}
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if (FFmpeg.IsAudioSourceSelected)
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{
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switch (FFmpeg.AudioCodec)
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{
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case FFmpegAudioCodec.libvoaacenc: // http://trac.ffmpeg.org/wiki/AACEncodingGuide
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args.AppendFormat("-c:a libvo_aacenc -ac 2 -b:a {0}k ", FFmpeg.AAC_bitrate); // -ac 2 required otherwise failing with 7.1
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break;
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case FFmpegAudioCodec.libvorbis: // http://trac.ffmpeg.org/wiki/TheoraVorbisEncodingGuide
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args.AppendFormat("-c:a {0} -qscale:a {1} ", FFmpegAudioCodec.libvorbis.ToString(), FFmpeg.Vorbis_qscale);
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break;
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case FFmpegAudioCodec.libmp3lame: // http://trac.ffmpeg.org/wiki/Encoding%20VBR%20(Variable%20Bit%20Rate)%20mp3%20audio
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args.AppendFormat("-c:a {0} -qscale:a {1} ", FFmpegAudioCodec.libmp3lame.ToString(), FFmpeg.MP3_qscale);
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break;
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}
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}
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if (Duration > 0)
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{
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args.AppendFormat("-t {0} ", isCustom ? "$duration$" : Duration.ToString("0.0", CultureInfo.InvariantCulture)); // duration limit
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}
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args.AppendFormat("\"{0}\"", isCustom ? "$output$" : Path.ChangeExtension(OutputPath, FFmpeg.Extension));
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return args.ToString();
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}
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}
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} |