Example #1
0
        protected async override Task <ProcessResult> OnPolling(PollerJobParameters parameters, string workingFolder)
        {
            String format        = parameters.All.GetOrDefault(JobKeys.ThumbnailFormat) ?? "png";
            Int32  secondsOffset = Int32.Parse(parameters.All.GetOrDefault("thumb_seconds_offset") ?? "10");

            Logger.DebugFormat("Conversion for jobId {0} in format {1} starting", parameters.JobId, format);

            String vlcExecutable = Helper.GetExecutableLocation();

            if (!File.Exists(vlcExecutable))
            {
                String error = String.Format("Unable to find VLC.exe executable in standard folders. You can specify VLC directory with 'vlc_location' job parameter or with 'vlc_location' app config configuration");
                Logger.ErrorFormat(error);
                Console.WriteLine("Unable to start converter, press a key to close.");
                Console.ReadKey();
                throw new ApplicationException(error);
            }

            var worker = new VlcCommandLineThumbnailCreator(vlcExecutable, format, Logger);

            String networkStream = base.GetBlobUriForJobBlob(parameters.TenantId, parameters.JobId);
            String thumbNail     = worker.CreateThumbnail(networkStream, workingFolder, secondsOffset);

            if (String.IsNullOrEmpty(thumbNail))
            {
                Logger.WarnFormat("Conversion returned no thumbnail for file {0} - job {1}", parameters.FileName, parameters.JobId);
            }
            else
            {
                await AddFormatToDocumentFromFile(
                    parameters.TenantId,
                    parameters.JobId,
                    new DocumentFormat(DocumentFormats.RasterImage),
                    thumbNail,
                    new Dictionary <string, object>());

                Logger.DebugFormat("Conversion of {0} in format {1} done", parameters.JobId, format);
            }
            return(ProcessResult.Ok);
        }
        protected async override Task<ProcessResult> OnPolling(PollerJobParameters parameters, string workingFolder)
        {
            String format = parameters.All.GetOrDefault(JobKeys.ThumbnailFormat) ?? "png";
            Int32 secondsOffset = Int32.Parse(parameters.All.GetOrDefault("thumb_seconds_offset") ?? "10");

            Logger.DebugFormat("Conversion for jobId {0} in format {1} starting", parameters.JobId, format);

            String vlcExecutable = Helper.GetExecutableLocation();
            if (!File.Exists(vlcExecutable))
            {
                String error = String.Format("Unable to find VLC.exe executable in standard folders. You can specify VLC directory with 'vlc_location' job parameter or with 'vlc_location' app config configuration");
                Logger.ErrorFormat(error);
                Console.WriteLine("Unable to start converter, press a key to close.");
                Console.ReadKey();
                throw new ApplicationException(error);
            }

            var worker = new VlcCommandLineThumbnailCreator(vlcExecutable, format, Logger);

            String networkStream = base.GetBlobUriForJob(parameters.TenantId, parameters.JobId);
            String thumbNail = worker.CreateThumbnail(networkStream, workingFolder, secondsOffset);

            if (String.IsNullOrEmpty(thumbNail))
            {
                Logger.WarnFormat("Conversion returned no thumbnail for file {0} - job {1}", parameters.FileName, parameters.JobId);
            }
            else
            {
                await AddFormatToDocumentFromFile(
                    parameters.TenantId,
                    parameters.JobId,
                    new DocumentFormat(DocumentFormats.RasterImage),
                    thumbNail,
                    new Dictionary<string, object>());

                Logger.DebugFormat("Conversion of {0} in format {1} done", parameters.JobId, format);
            }
            return ProcessResult.Ok;
        }
        public List<PollerTestResult> Execute()
        {
            List<PollerTestResult> retValue = new List<PollerTestResult>();
            String format ="png";
            Int32 secondsOffset = 4;

            String vlcExecutable = Helper.GetExecutableLocation();

            if (vlcExecutable == null)
            {
                retValue.Add(new PollerTestResult(false, "Executable location, use app settings vlc_location"));
                return retValue;
            }
            else
            {
                retValue.Add(new PollerTestResult(true, "Executable location, "));
            }

            try
            {
                var worker = new VlcCommandLineThumbnailCreator(vlcExecutable, format, NullLogger.Instance);

                var tempFile = Path.Combine(Path.GetTempPath(), "video.mp4");
                if (File.Exists(tempFile)) File.Delete(tempFile);
                File.WriteAllBytes(tempFile, TestFiles.video);

                var thumb = worker.CreateThumbnail(tempFile, Path.GetTempPath(), 4);
                retValue.Add(new PollerTestResult(
                    !String.IsNullOrEmpty(tempFile), "video thumb extraction: "));
            }
            catch (Exception ex)
            {
                retValue.Add(new PollerTestResult(false, "video thumb extraction: " + ex.Message));
            }

            return retValue;
        }