mirror of
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102 lines
3.8 KiB
C#
102 lines
3.8 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) 2007-2017 ShareX Team
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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.Diagnostics;
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using System.Drawing;
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using System.Globalization;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace ShareX.MediaLib
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{
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public class FFmpegCLIManager : ExternalCLIManager
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{
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public string FFmpegPath { get; private set; }
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public StringBuilder Output { get; private set; }
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public FFmpegCLIManager(string ffmpegPath)
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{
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FFmpegPath = ffmpegPath;
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Output = new StringBuilder();
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OutputDataReceived += FFmpeg_DataReceived;
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ErrorDataReceived += FFmpeg_DataReceived;
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Helpers.CreateDirectoryFromFilePath(FFmpegPath);
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}
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private void FFmpeg_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 VideoInfo GetVideoInfo(string videoPath)
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{
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VideoInfo videoInfo = new VideoInfo();
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videoInfo.FilePath = videoPath;
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Open(FFmpegPath, string.Format("-i \"{0}\"", videoPath));
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string output = Output.ToString();
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Match matchInput = Regex.Match(output, @"Duration: (?<Duration>\d{2}:\d{2}:\d{2}\.\d{2}),.+?start: (?<Start>\d+\.\d+),.+?bitrate: (?<Bitrate>\d+) kb/s", RegexOptions.CultureInvariant);
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if (matchInput.Success)
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{
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videoInfo.Duration = TimeSpan.Parse(matchInput.Groups["Duration"].Value);
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//videoInfo.Start = TimeSpan.Parse(match.Groups["Start"].Value);
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videoInfo.Bitrate = int.Parse(matchInput.Groups["Bitrate"].Value);
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}
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else
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{
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return null;
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}
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Match matchVideoStream = Regex.Match(output, @"Stream #\d+:\d+(?:\(.+?\))?: Video: (?<Codec>.+?) \(.+?,.+?, (?<Width>\d+)x(?<Height>\d+).+?, (?<FPS>\d+(?:\.\d+)?) fps",
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RegexOptions.CultureInvariant);
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if (matchVideoStream.Success)
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{
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videoInfo.VideoCodec = matchVideoStream.Groups["Codec"].Value;
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videoInfo.VideoResolution = new Size(int.Parse(matchVideoStream.Groups["Width"].Value), int.Parse(matchVideoStream.Groups["Height"].Value));
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videoInfo.VideoFPS = double.Parse(matchVideoStream.Groups["FPS"].Value, CultureInfo.InvariantCulture);
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}
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Match matchAudioStream = Regex.Match(output, @"Stream #\d+:\d+(?:\(.+?\))?: Audio: (?<Codec>.+?)(?: \(|,)", RegexOptions.CultureInvariant);
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if (matchAudioStream.Success)
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{
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videoInfo.AudioCodec = matchAudioStream.Groups["Codec"].Value;
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}
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return videoInfo;
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}
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}
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} |