ffmpeg切割视频

using System.Diagnostics;

        public static void carveVideo()
        {
            var inputpath = @"d:\1.mp4";
            var outPath = @"d:\1_carve.mp4";
            var startTime = "00:00:00";
            var endTime = "00:30:00";
            Process.Start(@"D:\ffmpeg.exe", $"-i {inputpath} -vcodec copy -acodec copy -ss {startTime} -t {endTime} {outPath}");
            if (File.Exists(outPath)) Console.WriteLine("切割完成");
            else Console.WriteLine("切割失败");
        }