private void _muxMediaFiles(string outputPath, string videoFileName, string audioFileName)
{
var ffmpegPath = _getFFmpegPath();
YTrackLogger.Log(ffmpegPath);
FFMpegMultiplexer fFMpegMuxer = new FFMpegMultiplexer(ffmpegPath, videoFileName, audioFileName, Properties.Settings.Default.FallBackToEncodeMedia);
fFMpegMuxer.OnMultiplixingComplete += (s, meea) =>
{
try
{
string finalVideoPath = outputPath + meea.OutputFileExtention;
// copy muxed video to the final output path
File.Copy(meea.OutputFilePath, finalVideoPath, true);
// set the stored flag
this.VideoStored = true;
// firing youtubeStored
OnYoutubeStored?.Invoke(this, finalVideoPath);
}
catch
{
YTrackLogger.Log("Cannot Move Output file from temp to Output Path : " + outputPath);
throw;
}
};
if (fFMpegMuxer.Muliplix() == null)
{
YTrackLogger.Log("Unable to Start FFMpeg\n" + "Input Video : " + videoFileName + "\nInput Audio : " + audioFileName);
throw new Exception("Unable to Start FFMpeg");
}
}
private async Task <YoutubeMediaPacket> _fillGab(YoutubeRequestURL packetRequestURL, Range lostRange, YoutubeMediaPacketType type)
{
packetRequestURL.RequestPath.QueryString.SetValue("range", $"{lostRange.Start}-{lostRange.End}");
var requestableURL = packetRequestURL.ToRequestableURL();
// debugging
YTrackLogger.Log("\nfilling broken range for type " + type + " : " + lostRange.ToString() + " from : " + requestableURL);
long httpSegmentSize = packetRequestURL.RequestPath.QueryString.HasValue("ratebypass") && packetRequestURL.RequestPath.QueryString.GetValue("ratebypass") == "yes"
? (long)lostRange.Length
: 9_898_989;
YoutubeMediaPacket packet;
using (SegmentedHttpStream segmentedHttpStream = new SegmentedHttpStream(_client, requestableURL, (long)lostRange.Length, httpSegmentSize))
{
try
{
string tmpFileName = Path.GetTempFileName();
using (Stream outputStream = new FileStream(tmpFileName, FileMode.Append))
{
IProgress <double> progressPercentage = new Progress <double>(b => packetDownloadProgressChanged(b));
await segmentedHttpStream.CopyToStreamAsync(outputStream, progressPercentage);
}
// no need to check whether the packetRequestURL is a valid requist URL
// because we requested it anyway
packet = new YoutubeMediaPacket(type, packetRequestURL, tmpFileName);
OnPacketDownloadCompleted?.Invoke(this, packet);
}
catch (Exception e)
{
// two exception may be thrown
// WebException if something went wrong when fetch the new packets
// IOException if something went wrong when writing the packet file to disk
// I'll raise PacketDownloadExceptionThrown and re-throw exception
if (e is WebException)
{
_onGabPacketDownloadExceptionThrown?.Invoke(this, new PacketDownloadExceptionEventArgumanets()
{
Exception = e as WebException,
FailedPacketRequestURL = packetRequestURL,
Range = lostRange
});
}
// re-throw the error to the caller
Helpers.YTrackLogger.Log("Failed to download Packet : " + e.Message + "\n\n" + e.StackTrace);
throw;
}
}
return(packet);
}
private async Task _fetchYoutubeInfo(string youtubeVideoId)
{
var client = new YoutubeExplode.YoutubeClient();
YoutubeExplode.Models.Video video = null;
try
{
video = await client.GetVideoAsync(youtubeVideoId);
this.Video.VideoInfo = YoutubeVideoInfo.FromVideoObject(video);
}
catch (Exception e)
{
_mediaInfoBeingFetched = false;
YTrackLogger.Log("Cannot Fetch Video info for " + youtubeVideoId + " : \n\n" + e.Message);
}
}
private async Task _showDownloadAskingDialog(YoutubeVideoManager manager)
{
// making sure the video info is populated
if (manager.Video.VideoInfo is null)
{
YTrackLogger.Log($"Starting to download the rest of {manager.Video.VideoFingerPrint} before the info was populated ... ignoring download");
return;
}
var thumbnail = await Common.FetchThumbnail(manager.Video.VideoInfo.ThumbnailUrl);
var thumbBytes = Helpers.Misc.ToImage(thumbnail.thumbnailBytes);
// check if video is currently saved in database
// if so .. I won't display store notification dialog
if (_videosIds.Contains(manager.Video.VideoInfo.Id))
{
return;
}
// check if the current video download dialog is already shown before
if (_alreadyDownloadDialogedVideos.Contains(manager.Video.VideoInfo.Id))
{
return;
}
var dialog = new NotificationYNDialog(manager.Video.VideoInfo.Title, thumbBytes);
NotificationContainerWindow notificationWindow = new NotificationContainerWindow(dialog);
notificationWindow.Show();
dialog.OnDialogResultAvailable += (sender, dialogResult) =>
{
// add to already dialog list ... to make sure the dialog doesn't show for the same video twice
_alreadyDownloadDialogedVideos.Add(manager.Video.VideoInfo.Id);
if (dialogResult == NotificationDialogResult.Yes || ((dialogResult == NotificationDialogResult.NotChoosen) && Settings.Default.KeepIncompleteCaptureByDefault))
{
_startDownloadingVideo(manager);
}
};
}
private void _startDownloadingVideo(YoutubeVideoManager manager)
{
if (!Directory.Exists(Settings.Default.OutputDirectory))
{
Settings.Default.OutputDirectory = Environment.GetFolderPath(Environment.SpecialFolder.CommonVideos);
Settings.Default.Save();
}
string outputPath = Path.Combine(Settings.Default.OutputDirectory, Helpers.Misc.RemoveIllegalPathChars(manager.Video.VideoInfo.Title));
new Thread(async() =>
{
try
{
await manager.DownloadAndMultiplix(outputPath);
}
catch (Exception e)
{
YTrackLogger.Log("Exception Occured while Downloading and muxing : " + e.Message + "\n\n" + e.StackTrace);
NotificationProvider.Instance.ShowMessageNotification("Capture Failed", "Error While Downloading The Rest Of The Video", NotificationMessageType.Error, this.Dispatcher);
}
}).Start();
}
private async Task _fillBrokenRanges(List <Range> lostPacketsRanges, YoutubeMediaPacketType lostPacketsType)
{
// debugging purposes
if (lostPacketsRanges.Count > 0)
{
YTrackLogger.Log("\nBroken Ranges for type " + lostPacketsType + " : \n");
lostPacketsRanges.ForEach(x =>
{
YTrackLogger.Log(x.ToString());
});
YTrackLogger.Log("\n\n");
}
// constructing the lost packates new requests and fetch them
// firstly i will get clone from first packet url
// no need for higher quality checks because lower ones are already removed
var lostPacketRequestURL = this.Video.Packets.FirstOrDefault(x => x.VideoPacketType == lostPacketsType)?.YoutubeRequestURL?.DeepClone();
// Youtube Contains M4A containers .... the video may contain only media with Audio content type
// if no video packets are present return
if (lostPacketRequestURL == null)
{
return;
}
// now loop throught all lost packets and fill them
foreach (var lostRange in lostPacketsRanges)
{
var newPacket = await _fillGab(lostPacketRequestURL, lostRange, lostPacketsType);
_insertGabPacket(newPacket);
}
}
private void _raiseMultiplixingFailed(string errorStd)
{
YTrackLogger.Log("Re-Encoding Fallback also failed" + errorStd);
OnMultiplixingFailed?.Invoke(this, new MultiplexingException("Some thing Went Wrong While Multiplexing"));
}