Пример #1
0
        public async Task <IActionResult> Post(IFormFile file)
        {
            // Get the mime type
            var mimeType = HttpContext.Request.Form.Files.GetFile("file").ContentType;

            // Get File Extension
            string extension = "." + file.FileName.Split('.')[file.FileName.Split('.').Length - 1];
            // Generate Random name.
            string name = Guid.NewGuid().ToString() + extension;


            // Basic validation on mime types and file extension
            //string[] videoMimetypes = { "video/mp4", "video/webm", "video/ogg" };
            //string[] videoExt = { ".mp4", ".webm", ".ogg", ".mov" };

            try
            {
                //if (Array.IndexOf(videoMimetypes, mimeType) >= 0 && (Array.IndexOf(videoExt, extension) >= 0))
                //{
                var path = Path.Combine(Directory.GetCurrentDirectory(), "videos", name);

                using (var bits = new FileStream(path, FileMode.Create))
                {
                    await file.CopyToAsync(bits);
                }

                string thumbnailName = string.Format("{0}.{1}", Guid.NewGuid().ToString(), ImageFormat.Jpeg);
                var    thumbnailPath = Path.Combine(Directory.GetCurrentDirectory(), "videos", thumbnailName);
                using (var videoThumbnailer = new VideoThumbnailer(path))
                    using (var thumbnail = videoThumbnailer.GenerateThumbnail(1000))
                        thumbnail.Save(thumbnailPath, ImageFormat.Jpeg);


                Video video = new Video()
                {
                    ThumbnailPath = thumbnailName,
                    Title         = file.FileName,
                    VideoPath     = name
                };
                await _videosService.CreateVideo(video);

                return(Json(name));
                //}
                //throw new ArgumentException("The video did not pass the validation");
            }

            catch (ArgumentException ex)
            {
                return(Json(ex.Message));
            }
        }
Пример #2
0
 private static void GetAndSaveThumbnail(string videoPath, Stream thumbnailStream)
 {
     using (var videoThumbnailer = new VideoThumbnailer(videoPath))
         using (var thumbnail = videoThumbnailer.GenerateThumbnail(300))
             thumbnail.Save(thumbnailStream, ImageFormat.Jpeg);
 }
Пример #3
0
        public static async Task Add(string videoPath)
        {
            var ff = new ProcessManager();
            var rc = new Recording();
            var sm = new SettingsManager();
            var rs = new RecordingSettings();

            using var sw = new StreamWriter(sm.GetFilePath("PastRecordings.json"), true);

            sm.GetSettings(rs);

            // Video Path
            rc.VideoPath = videoPath;

            // Thumbnail Path
            rc.ThumbPath = await VideoThumbnailer.Create(videoPath);

            // File Size
            rc.FileSize = new FileInfo(videoPath).Length;

            #region Get Infro from ffprobe (fps, duration)
            // Query ffprobe to get video duration and fps
            // https://trac.ffmpeg.org/wiki/FFprobeTips
            var info = await ff.StartProcess(
                $"-v error -select_streams v:0 -show_entries format=duration:stream=avg_frame_rate -of default=noprint_wrappers=1 \"{videoPath}\"",
                "ffprobe",
                true,
                true
                );

            // Loop over each line in response from ffprobe
            foreach (var line in info.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries))
            {
                // Get framerate
                if (line.ToLower().Contains("avg_frame_rate"))
                {
                    var fps = line.ToLower().Replace("avg_frame_rate=", "").Split("/");

                    // Check that fps contains more than 1 item, 2 are needed
                    if (fps.Count() > 1)
                    {
                        // Make sure fps[0 & 1] are able to be parsed
                        if (int.TryParse(fps[0], out int res0) && int.TryParse(fps[1], out int res1))
                        {
                            rc.FPS = (res0 / res1).ToString();
                        }
                    }
                }

                // Get duration
                if (line.ToLower().Contains("duration"))
                {
                    // Try parsing duration of video into float, if can't don't set any duration
                    if (float.TryParse(line.ToLower().Replace("duration=", ""), out var res))
                    {
                        // Convert duration in seconds to TimeSpan
                        var t = TimeSpan.FromSeconds(res);

                        #region Set Readable Duration
                        // If t.Days > 0, then set Duration to it and append Day(s) ...
                        // ... and skip rest of foreach iteration

                        if (t.Days > 0)
                        {
                            rc.Duration = (t.Days > 1) ? $"{t.Days} Days" : $"{t.Days} Day";
                            continue;
                        }

                        if (t.Hours > 0)
                        {
                            rc.Duration = (t.Hours > 1) ? $"{t.Hours} Hours" : $"{t.Hours} Hour";
                            continue;
                        }

                        if (t.Minutes > 0)
                        {
                            rc.Duration = (t.Minutes > 1) ? $"{t.Minutes} Minutes" : $"{t.Minutes} Minute";
                            continue;
                        }

                        if (t.Seconds > 0)
                        {
                            rc.Duration = (t.Seconds > 1) ? $"{t.Seconds} Seconds" : $"{t.Seconds} Second";
                            continue;
                        }

                        if (t.Milliseconds > 0)
                        {
                            rc.Duration = (t.Milliseconds > 1) ? $"{t.Milliseconds} Milliseconds" : $"{t.Milliseconds} Milliseconds";
                            continue;
                        }
                        #endregion
                    }
                }
            }
            #endregion

            // Serialize json from Recording object
            var json = (JObject)JToken.FromObject(rc);

            // If file is empty then append json normally, if it isn't then append json starting with a ','
            sw.Write((new FileInfo(sm.GetFilePath("PastRecordings.json")).Length == 0) ? json.ToString() : $",{json}");
            sw.Close();
        }