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by Maxim Kartavenkov
Articles describes how to create virtual video capture source directshow filter in pure C#
by Maxim Kartavenkov
Article describes how to make H.264 Video Encoder DirectShow Filter using NVIDIA encoder API in C#
by Sergey Alexandrovich Kryukov
Another variant of the cross-platform replacement for all those office presentation applications in a single file, and now this file is JavaScript
by Maxim Kartavenkov
Article shows how easy to make various video effects using PixelShaders in Direct3D.

Latest Articles

by Maxim Kartavenkov
Make H.264 Video Encoder DirectShow Filter in C# using AMF SDK API from AMD
by V. Subhash
A simple fix for excessively bright video and low-volume audio
by DrABELL
YouTube™ API for ASP.NET, AJAX-extended (C#)
by Peter Huber SG
Detailed article explaining how to make WPF display media files created by mobile phones properly

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9 Mar 2024 by Andre Oosthuizen
Another solution will be to use the 'DispatcherTimer' control to sync your titles - C# DispatcherTimer properties[^] Your code will look like the following, adjust the 'SubtitleRecord' class and initialization parts based on your actual data in...
8 Mar 2024 by OriginalGriff
That's complicated, because the user can pause, fast forward, or rewind at any time, and you need to keep the subtitles in sync with the video or it will just get very confusing. Probably your best bet is to use the industry standard .SRT file -...
8 Mar 2024 by Sh.H.
Hi guys Here is a list with 3 fields: StartTime , EndTime , SubtitleText There is almost 1000 numbers in the list. So I have a VideoElement which plays the video, and I made a TextBlock on it to show this list as its subtitle. Could you please...
1 Mar 2024 by Member 14933789
Hey, codeproject wonderful community! I am trying to implement the Chewie Flutter package into my app as a custom widget and I got everything down and made it as customizable as possible. It complies well, but when I run it on the web, android,...
24 Jan 2024 by Maxim Kartavenkov
Make H.264 Video Encoder DirectShow Filter in C# using AMF SDK API from AMD
5 Nov 2023 by V. Subhash
A simple fix for excessively bright video and low-volume audio
2 Oct 2023 by DrABELL
YouTube™ API for ASP.NET, AJAX-extended (C#)
23 Sep 2023 by Peter Huber SG
Detailed article explaining how to make WPF display media files created by mobile phones properly
4 Sep 2023 by Sergey Alexandrovich Kryukov
Another variant of the cross-platform replacement for all those office presentation applications in a single file, and now this file is JavaScript
4 Sep 2023 by Sergey Alexandrovich Kryukov
A cross-platform replacement for all those office presentation applications in a single file
9 Apr 2023 by Graeme_Grant
Many games are built with game engines like Unity[^], popular with mobile games, or Unreal[^], which is popular with desktop and console. This YT video may help: I Made the Same Game in 8 Engines - YouTube[^]
9 Apr 2023 by Tim the Gamer
So I developed an interest in how developers are able to put life inside the video game and create characters that can speak, talk and interact with other characters in the same space. So my question is do they use a graphics rendering library...
9 Apr 2023 by OriginalGriff
It's complicated: many games use motion capture to get realistic movements, and overlay that onto character models with appropriate skins applied. Others use "rag doll" physics where the various parts of the body are individually animated...
19 Feb 2023 by the wolf 2023
I want to create website where others can watch movies, tv shows and cartoons for free. I do know how to create that website, admin panels etc. The only thing I don't know ( because I never encountered that ) is how to implement movie with...
17 Feb 2023 by OriginalGriff
This is not a video repair site: we are here for software development problems and this is not that! To be honest, you are unlikely to find a free repair tool that will work with anything that large: most free tools are trial versions and only...
22 Sep 2022 by Saira Kanwal 2022
Hello. I am trying to capture video from IP camera. The video is successfully streaming in web browser and vlc player. But when I try to capture the video in C# windows form using Emgu CV 2.4.0.1717 there is no video. Even the windows form...
26 Jul 2022 by Member 15674341
Using C#, I have created video with WindowsMediaRenderer's Render() method as mentioned in below code, the created video is not working in web browser, it runs only in windows media player. Can you please help me to resolve this issue ? ...
26 Jul 2022 by RickZeeland
Try encoding the video in .MP4 format, most modern browsers support it. See: HTML Video[^]
22 Mar 2022 by Patrice T
Quote: How to save a movie in sql serber using blazor c #. I have various ideas but I don't think they are good. In my opinion, the only sensible answer is to use the file system to store possibly huge files, and store only the filename and a...
22 Mar 2022 by Member 14992876
How to save a movie in sql serber using blazor c #. I have various ideas but I don't think they are good. What I have tried: The first idea is to make that video byte []. What if I have a ... 1 tb video? The second was to turn that video into...
22 Mar 2022 by M Imran Ansari
In addition to the comments, Making a Movie Library is a good idea, where you will place your movies. For record keeping and retrieval in quick way, you can use SQL to create Movie Library Data Bank. Where you can store movie library...
14 Mar 2022 by Member 15564955
Hi, I am trying to convert files from a Chinese manufactured birdbox camera which also has a microphone. The camera records files with the extension .h264 and until recently, the only way I had found to convert them to a format I could play on...
14 Mar 2022 by jaket-cp
You could try videotovideo or shutterendcoder - I believe they are like frontend gui to FFmpeg I found videotovideo when trying to convert jvc mts file to a different format. And shutterendcoder when videotovideo couldn't cater for h265 - a...
14 Mar 2022 by RickZeeland
You could try to get the RTSP stream directly of the camera using these commands: Connect to Golbong cameras[^] These are from the open-source iSpy video surveillance database. I was going to suggest ONVIF, but this probably will not work...
14 Mar 2022 by OriginalGriff
MP4 is an audio video container format, H264 is a video stream format with no audio. To create a audio and video file, you need a container (MP4, MKV, etc.) which holds both and coordinates tham. I'm not an ffmpeg expert, but I've used it a fair...
5 Jan 2022 by Sergio Andrés Gutiérrez Rojas
Face detection and recognition with support of multiples faces in the same scene and other interesting features using C# and EmguCV
17 Dec 2021 by Sam_k_khan
I want to create application NodeJS where in we will drag and drop elements on screen and create video from those elements. We should also be able to add audio to the video and customize the video by resizing the element etc. What I have tried: ...
27 Oct 2021 by ChivoVerde
Hi people I have a question, I need to do a windows form with C# app to capture video from any camera and also be able to add filters like FB do modify programatically the length of the video Also change the speed of the record, like 5...
27 Oct 2021 by Maciej Los
I'd suggest to use FFmpeg[^] Here is a free binary pack: NReco.VideoConverter: C# FFMpeg wrapper (.NET/NETCore, FREE)[^]
11 Aug 2021 by Eyadox
I wrote code using Aforge to capture the Video from the camera and its working fine. My problem is when I just start the Camera in the preview mode only without recording, the camera (preview window) freezes after 15 or 20 seconds. Then I noticed...
9 Jul 2021 by Mr.Corona
How to add transition between videos in jcodec ? If it is not possible with jcodec can anyone suggest other libraries(with example if possible) Please.... 😁😁 What I have tried: Searched lot in google and couldn't find anything useful
9 Jul 2021 by Richard MacCutchan
Lots of information available: transition between videos in jcodec - Google Search[^]. But you do need to study it all.
3 Jul 2021 by Richard MacCutchan
Start by reading the documentation: Xuggler[^]
25 Apr 2021 by RickZeeland
Maybe Jami[^], it has a C++ / QT client for Windows: jami-client-windows GitLab[^]
25 Apr 2021 by Mark R 2021
For weeks I have been researching to find an open source video conferencing platform that allows integration from native clients. I am developing a solution that would need to communicate from a native app via a windows dll (at least initially)....
19 Apr 2021 by Member 15160194
check this javascript - Play/Pause video onScroll in Reactjs - Stack Overflow[^]
29 Mar 2021 by Member 13691514
The fact that the person is skiing adds additional complexity to the processing versus running as I imagined. However, it also adds an additional clue. Let me explain what I mean. You have to know something very well in order to measure the...
26 Mar 2021 by Nadja Rabizadeh
Hi, I wonder how to get the real velocity of a moving person in a video? What I have tried: I have stabilized the video to remove the global motion of the camera, and then I have tracked the person with an object detection method, so I have the...
26 Mar 2021 by Member 13691514
What the others have posted is correct. Also, you need to ensure that the camera does not change magnification (zoom) during the video. 1) Even if the person is moving perpendicular to the camera, comparing pixel changes to the size of a known...
15 Mar 2021 by tugrulGtx
Header-only C++ tool that supports basic array-like usage pattern and uses multiple graphics cards in system as storage with LRU caching
12 Mar 2021 by Member 15098324
this demo it not working i try to same code but not open in drive video url so help me
12 Mar 2021 by Member 10850253
I have some videos in google drive and I want to stream them in videoview. I have set everything, but when I debug the app, I get an error saying can't play this video. Can someone please help me fix this issue? Thanks. What I have tried: ...
23 Feb 2021 by Bohdan Stupak
A simple snippet of how you can convert video in .NET Core
15 Dec 2020 by Richard MacCutchan
You already posted this question at https://www.codeproject.com/Questions/5289728/How-to-precache-the-first-100KB-of-next-videos-fro?cmt=1063725#cmt1063725[^]. Why have you created a second account just to repost this?
20 Nov 2020 by bladot
I am making a kind of proctoring website and for it I needed access to the user's screen and display it as a video to the proctor, so that he can monitor it. here is my code: ...
20 Nov 2020 by Gerry Schmitz
I think it's a security issue. JS is in a sandbox. If it worked for you before, it was because you weren't in the sandbox. You need the "user" to start an asynch upload.
19 Oct 2020 by Member 14970174
$('body').on('hidden.bs.modal'...
19 Oct 2020 by Peter Holm
Hello fellow coders i come to you in a time of need. I have an inline popup containing html5 videos. i added a stop('#video'); to the "close popup" function and this works, but only in Chrome and Opera, not in Firefox and EI, which leads me to a sub question, based on the same code, can anyone...
15 Sep 2020 by Member 14939628
how to make a scrollable list component in react js Code Example[^]
15 Sep 2020 by Tridib Chatterjee
I got a child component called Video in my web app with a separate scrollbar enabled inside, where a list of video loads each taking the full height and width of the Video component. I need to trigger a pause of the current playing video when the...
11 Sep 2020 by KarstenK
You should contact the folks of tcpreplay. Normally you have some decoding functions which are doing the jobs. Best is to search for some sample code.
11 Sep 2020 by Sharma Dilip
I have a PCAP file having the encoded video data. I am using TCPReplay to broadcast this PCAP data to my server. In my server I have written a QT UDP socket program to receive these packets. I am able to receive these packets successfully in my...
2 Sep 2020 by Eyadox
I wrote a code using Aforge to capture the Video from the camera and display it in VideoSourcePlayer. The problem is the displayed video is not mirrored as it should be. I was able to mirror it using filter, but this applies only on the saved...
2 Sep 2020 by Hank Williams
I would take a look at the Aforge new frame event, more details on that can be found using the link below NewFrame Event[^] According to Aforge documentation The event is fired on each new frame received from video source. The event is fired...
27 Aug 2020 by Gen1us2k
Choose how to build your own solution for implementing Audio/Video Calls using WebRTC
23 Aug 2020 by Hank Williams
Have you tried using the Aforge VideoSourcePlayer control instead of the picturebox control? I think the VideoSourcePlayer control is more suited to your needs.
22 Jun 2020 by Member 14870492
Go with mp4 parser of google compile 'org.mp4parser:isoparser:1.9.27' Otherwise if your input video and audio are of different formats(other than mp4) and there are other things needed such as speed up, video resolution normalization, go with...
6 May 2020 by Member 14631177
I've Python code that enables capture and size modification of a video content stored in a local file (there is source written by Flask): import cv2 import time from flask import render_template, Flask, send_from_directory, abort,...
30 Apr 2020 by Member 14631177
Using ffmpeg_streaming module in Python web project with Flask, I try to set up video streaming from online camera into local file. My purpose is saving input stream that comes as HLS-compatible data. To implement this property, I've inserted...
7 Apr 2020 by Member 11380736
Roman Ginzburg has created a great VLC API in c# called nVLC. I'm able to use it for playing audio and video, but I can't figure out how to setup VLC's VLM server with it. I know how to setup VLC's VLM server by installing VLC and running cmd...
17 Mar 2020 by Member 10850253
I am trying to display a google drive video inside a WebView, but if I remove the google drive toolbar, the video never plays. Can someone please help? Thanks. What I have tried: import android.app.ProgressDialog; import...
16 Mar 2020 by Greg Utas
Like Richard said, the topic is too broad. Although I favor C++ for what I do, the language that you choose for this isn't that important compared to what are far higher-level design issues. For example, even at a lower level you might decide to...
16 Mar 2020 by Member 14631177
Our student enthusiast team are working on video surveillance app which is being developed from scratch. There is a definitely conventional workflow inside as we have to empower this step-by-step functionality: 1. Raw video stream goes from a...
16 Mar 2020 by Richard MacCutchan
which Video player is Excellent - Google Search[^]
16 Mar 2020 by Richard MacCutchan
This is really a research question, and far too broad a subject for a Quick Answers technical forum. Video surveillance, image analysis etc., are large subjects and much has been written about them. Your starting point should be Google, to find...
3 Mar 2020 by Gerry Schmitz
Use screen capture software (full screen). I'm using Microsoft Expression Encoder 4; the output can be converted to mp4 using the MS Photo Editor. Download Microsoft Expression Encoder 4 from Official Microsoft Download Center[^]
3 Mar 2020 by Padam Agrawal
I need annotation (text, line, arrow) on existing video files. for this we use canvas layer for front end and video player at back end. and I play both at same time and its works. (using .net WPF) But now need to export into one video file...
28 Feb 2020 by RickZeeland
Maybe you can take a look at: iSpy: Open Source Camera Security Software[^]
28 Feb 2020 by Member 14631177
Since recently, our student enthusiast team is engaged to develop a stream video surveillance app which to be running on cloud server platform. The app functions include: - video capture by multiple edge devices (cameras) located in...
10 Feb 2020 by petavius
I've created a WinForms (C#) application and I have to add support for the built-in flash. The device is a Tablet PC running x64 architecture Windows 10 Professional (common Windows 10). Is there any way to do that? My application captures video...
10 Feb 2020 by MadMyche
Have you gone through this article from MS? Use UWP APIs in desktop apps | Microsoft Docs[^] Then you should be able to add in the namespaces needed, eg Windows.Devices.Lights Windows.Devices.Lights Namespace - Windows UWP applications |...
10 Jan 2020 by Member 14712440
Hi, I have a project in C# using Emgu.CV. In my project I have a IP camera with video encoder H.264. The encode gave 2 strings to access the camera video, 1) http://192.168.0.11:35271/image1 2) rtsp://192.168.0.11/stream1.sdp With the following code I can access the video and show it in...
10 Jan 2020 by RickZeeland
Lots of users are having problems with this, maybe you can try another EMGU version, see: c# - EmguCV capture rtsp ip camera stream ffmpeg - Stack Overflow[^] Or try this CodeProject article: Stream Player Control[^]
30 Oct 2019 by Dave Kreskowiak
This is only possible if the player you have in your page supports muting the audio from javascript code. I don't know of any myself. But, there's a reason why NOBODY worth their weight has sound on their web pages when they load. It's annoying and makes people hit "close tab" faster than they...
30 Oct 2019 by datadrvn
Hi All, My first post here... :-) I'm fairly new to web development and I've just been tasked this and I don't know where to start. I would like to embedded a video into the homepage of a website. When people visit they see the video (with audio) once, then the video loops (and the audio...
22 Oct 2019 by RickZeeland
If you don't know what protocol is being used, you can use a network analyzer like Wireshark. This is not for the fainthearted and requires some study. https://www.slant.co/improve/topics/3692/~best-network-protocol-analysers[^] When you find out what protocol is being used, try to find a...
22 Oct 2019 by RickZeeland
Here is an example script that uses ffmpeg: PHP: video conversion script · GitHub[^] And here is another one: PHP Scripted FFmpeg Video Converter[^] And here is an overview of video converters: free-video-converters[^]
22 Oct 2019 by Green2020
I have a site with many high-quality videos, and I want a script that allows the visitor to convert any video to a lower quality by placing the video link of my site only What I have tried: I do not find any script in codecanyon .
22 Oct 2019 by Richard MacCutchan
Quote: I do not find any script Then maybe you need to write your own. At minimum you would need to capture the details from the user, then run the conversion in the server, before redisplaying the converted video.
6 Oct 2019 by oronsultan
hey guys, I have a SBC (single board computer) called HummingBoard. 2 small cameras are connected to this card and it is connected via a network cable to my computer. Using external software I can get a picture from both cameras. Right now my main goal is to write code in C# that could read the...
1 Oct 2019 by Richard MacCutchan
This is the same question you posted yesterday: How to change bitrate with nreco functions using textbox?[^]. Please do not repost. If you have information to add then please edit the original question. Look at your code, a simple typo; you have [ instead of {. Which would have been obvious...
30 Sep 2019 by Mels Alex Barno
I'm trying to write a converter in C # using Nreco.VideoConverter. I've never had any experience with these before. I started researching this area because I was asked at work. My problem is; I can change the bitrate value in video converter. If you have a combobox or a specific value. But, if...
11 Jul 2019 by Huzaifa HK
In Simple, Server has a TV Tuner Card and want to stream any live TV channel over HTTP. Client will use the HTML5 Video object to view the Live Channel. In Other word. I want to broadcast live cricket match on my website. I want this to be done in C#. What I have tried: I have Tried Ozeki...
11 Jul 2019 by F-ES Sitecore
What you're doing is almost certainly illegal so it's unlikely anyone will be willing to help.
11 Jul 2019 by RickZeeland
Take a look at LeadTools: Multimedia Capture SDK Technology | LEADTOOLS[^] Another option might be StreamCoder MediaSuite: Streamcoders | MediaSuite Overview[^] It's a bit pricey though ... Another option might be to use DirectX, see: DirectX.Capture Class Library[^] But as the article is...
31 May 2019 by Samira Radwan
Hi All, I have a SurfaceView in android app that displays a video from a camera connected to a phone via bluetooth. I would like to be able to horizontally mirror/flip the video after decoding it. By mirroring I mean for instance, If there's a chair showing on the left i would like to show it...
28 Feb 2019 by Member 14129828
my code without error but don't save any frame. when I pause the video I want to save the current frame. What I have tried: namespace VideoCaptureApplication1 { public partial class Form2 : Form { private Capture _capture = null; Image frame; ...
28 Feb 2019 by Gerry Schmitz
If you didn't "step through the code" with the debugger to see what happened in every intermediate step, how do you expect someone else to? Step through the code and come back when you have a better idea where the problem is because no one else can. It's called "testing".
21 Feb 2019 by Dave Kreskowiak
Why the hell are you asking us and not the people who own and run that site?
21 Feb 2019 by Richard MacCutchan
Pay for it. No one here is going to help you hack a legal website.
18 Feb 2019 by Geeman1111
I have a file extension .cv1 Does anyone have any suggestions? What I have tried: I have been on google for the past two days trying to find a solution to this. There seems to be very little information about this file extension and how to open it. I cannot seem to find any software to open...
18 Feb 2019 by Richard MacCutchan
It depends what format the content is in. Take a look at GoPro Clip Extractor[^], which recommends ffmpeg.exe (Google will find it).
6 Feb 2019 by Member 14132795
Hi. I'm a recent college graduate and need help in preventing my original videos & images from being downloaded in my site. I also want to allow for the videos to do playback & images to be viewed. Is their a way the page with videos url cannot be downloaded? Is their also a way that...
6 Feb 2019 by Dave Kreskowiak
You can't do that. Think about it. How is the browser, running on a client machine, going to display the images and video if it cannot download them? If a browser can download it, so can any other app. There is nothing you can do to prevent that.
5 Feb 2019 by Maciej Los
There's no chance to completely secure video's or images. As far i understand that you don't want to create standard link to video/image, which click on it - by default - causes to download video/image. I'd suggest to think about video streaming. See: Asynchronous Video Live Streaming with...