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;
}
