nreco | driven framework for ASP.NET business apps | Application Framework library

I am getting the exact same error code as this question. I also read the answer to that post but not sure how it'll help in the context of this specific error.

NReco PDF generator works when I omit this line in this html file:

I am using wkhtmltopdf 0.12.5 with NReco (Asp.net core). I have set TOC to true

I am very much beginner in Delphi development. I want to make desktop application that include Sqlite database and browser. The application is mostly based on CRUD operations but when ever user update data into database the change will be displayed on browser on another panel of the application. it also generates printable pdf. The pdf is generated by C# code[NReco Library]. Is I have to use Multi Threading in to my application to make my ui responsive in this case.

I'm using NReco PDF generator to create PDFs of some fairly lengthy html tables. Most of the time it works fine, but sometimes it will generate a PDF that's just two blank pages (one blank page where the cover would be, followed by a blank page with the correct header and footer). I don't think anything is wrong with the html itself, since it does successfully generate the full document with the same input other times.

Could this be a timeout issue due to the large number of pages? Per another post I saw, I tried initializing the converter with this optional argument, but it didn't help:

NReco.PdfGenerator.HtmlToPdfConverter pdfConverter = new NReco.PdfGenerator.HtmlToPdfConverter{ CustomWkHtmlPageArgs = " --no-stop-slow-scripts" };

Is there anything else I should adjust, or does anyone know what else could be causing this?

Update: This is primarily happening in Chrome. I have the PDF generating in the browser in a new tab, and I thought it might be a caching issue, so I added a timestamp parameter in the url so it would be unique each time, but that didn't seem to help.

Final Update: adding --javascript-delay 2500 to the CustomWkHtmlPageArgs seems to have fixed the problem, so I think it must have been an issue with the PDF generating before the data was fully loaded.

I am trying to get video details (length, height, width, and content type) from a video based on a URL. By using the nuget package https://www.nuget.org/packages/NReco.VideoInfo.LT I was able to create an Azure Function running locally pointing to my local install of FFProbe rather easily. However, the trick is now making it compatible with an Azure Function and, to the best of my knowledge, the easiest way to do that is by providing a Docker image that contains everything needed (this would be running on a Linux machine).

So, let's get into the code. Previously, this is what I had working if I ran the function locally:

We do have a license for NReco for PDF generation. Now we have a requirement for updating the form fields in the PDF dynamically through dot net code, do we have support for this in NReco? if not any free library alternative for PDF form filling as we cant invest again in license? Ours is a .Net based MVC web application. We were using iTextSharp earlier but iTextSharp is EOL, and has been replaced by iText 7. We can't buy the license for iText 7 now.

While writing a video converter program in c # form, I measure the convert speed with the progress bar. I am actually measuring using certain techniques, but I want to give the user how much CPU he uses with the actual values, that is, the speed of the process.

I'm currently investigating the best method to allow clients live playback IP camera where my server is the source that uses RTSP to grab the stream, so at the same time I need to be able to output that live playback to HTML5 standard player "the video tag" and whenever I want, I need to be able to get a snapshot pretty quickly.

I tried using WebRequest to fetch a snapshot but the issue is that it takes around 1 second for the camera to prepare the snapshot.

I tried another solution like in here Extract thumbnail from RTSP but it takes 2 seconds for that image to be ready for my application.

Update 1

I managed to get a single frame by using ffmpeg.exe via the command line interface and passing the args:

"-i rtsp://UN:PW@IP:554/live -vframes 1 -f singlejpeg -"

And then after I start the process, I read the stream into output where it's my image binaries using:

process.StandardOutput.BaseStream.CopyTo(output);

Now my only left problem is that I wanted to keep reading the rtsp and get the binaries in a rate of for example "2 frames per second". Any working code ideas?

I'm trying to set up NReco HTML to PDF generation and having an issue. It generates the PDF but when I open the PDF with adobe reader, it automatically opens the "Bookmarks" side tab consuming quite a bit of screen real estate (about 1/3 of the window).

This is unnecessary, because the PDF is one page long. From what I can tell, this is because the PDF has a table of contents generated by taking the HTML header elements.

I updated my code to attempt to turn of table of contents generation: