示例#1
0
        public List <VideoThumbnailInfo> TakeThumbnails()
        {
            List <VideoThumbnailInfo> tempThumbnails = new List <VideoThumbnailInfo>();

            for (int i = 0; i < Options.ThumbnailCount; i++)
            {
                string mediaFileName = Path.GetFileNameWithoutExtension(MediaPath);

                int timeSliceElapsed;

                if (Options.RandomFrame)
                {
                    timeSliceElapsed = GetRandomTimeSlice(i);
                }
                else
                {
                    timeSliceElapsed = GetTimeSlice(Options.ThumbnailCount) * (i + 1);
                }

                string filename          = string.Format("{0}-{1}.{2}", mediaFileName, timeSliceElapsed, Options.ImageFormat.GetDescription());
                string tempThumbnailPath = Path.Combine(GetOutputDirectory(), filename);

                using (Process p = new Process())
                {
                    ProcessStartInfo psi = new ProcessStartInfo(FFmpegPath);
                    psi.WindowStyle = ProcessWindowStyle.Hidden;
                    psi.Arguments   = string.Format("-ss {0} -i \"{1}\" -f image2 -vframes 1 -y \"{2}\"", timeSliceElapsed, MediaPath, tempThumbnailPath);
                    p.StartInfo     = psi;
                    p.Start();
                    p.WaitForExit(1000 * 30);
                }

                if (File.Exists(tempThumbnailPath))
                {
                    VideoThumbnailInfo screenshotInfo = new VideoThumbnailInfo(tempThumbnailPath)
                    {
                        Timestamp = TimeSpan.FromSeconds(timeSliceElapsed)
                    };

                    tempThumbnails.Add(screenshotInfo);
                }

                OnProgressChanged(i + 1, Options.ThumbnailCount);
            }

            return(Finish(tempThumbnails));
        }
示例#2
0
        public List<VideoThumbnailInfo> TakeThumbnails()
        {
            List<VideoThumbnailInfo> tempThumbnails = new List<VideoThumbnailInfo>();

            for (int i = 0; i < Options.ThumbnailCount; i++)
            {
                string mediaFileName = Path.GetFileNameWithoutExtension(MediaPath);

                int timeSliceElapsed;

                if (Options.RandomFrame)
                {
                    timeSliceElapsed = GetRandomTimeSlice(i);
                }
                else
                {
                    timeSliceElapsed = GetTimeSlice(Options.ThumbnailCount) * (i + 1);
                }

                string filename = string.Format("{0}-{1}.{2}", mediaFileName, timeSliceElapsed, Options.ImageFormat.GetDescription());
                string tempThumbnailPath = Path.Combine(GetOutputDirectory(), filename);

                using (Process p = new Process())
                {
                    ProcessStartInfo psi = new ProcessStartInfo(FFmpegPath);
                    psi.WindowStyle = ProcessWindowStyle.Hidden;
                    psi.Arguments = string.Format("-ss {0} -i \"{1}\" -f image2 -vframes 1 -y \"{2}\"", timeSliceElapsed, MediaPath, tempThumbnailPath);
                    p.StartInfo = psi;
                    p.Start();
                    p.WaitForExit(1000 * 30);
                }

                if (File.Exists(tempThumbnailPath))
                {
                    VideoThumbnailInfo screenshotInfo = new VideoThumbnailInfo(tempThumbnailPath)
                    {
                        Timestamp = TimeSpan.FromSeconds(timeSliceElapsed)
                    };

                    tempThumbnails.Add(screenshotInfo);
                }

                OnProgressChanged(i + 1, Options.ThumbnailCount);
            }

            return Finish(tempThumbnails);
        }