As part of a program I have to be able to pull a few random frames from a user specified video file. I do not have any experience with video processing programming, so this is new to me. I've determined that I need to use DirectShow.net to do this on Windows XP using .Net, but I cannot figure out how to get it done. I'm trying to use th...
I would like to port an ActiveX of mine (to Silverlight) that have the following features: Embedding a logo image in any video file. Embedding subtitles in any video file. Cropping any video file (for example: cropping 10 seconds of a 1 min. video). Save the video file result (by the current encoders of the client). The current Activ...
hi, currently I'm trying to make a silverlight application for my application. The question on hand is that is it possible, and how, to display anamorphic video. the main purpose of this is to save bitrate per frame. for example, anamorphic for 848x480 is -> 720x480, or anamorphic for 1080 is 1440x1080, which later resize to 1920x1080. ...
HTML 5 implementations are different across various browsers. In firefox, the image specified by the placeholder attribute will be shown until the user clicks play on the video. In chrome, the placeholder image is shown until the video is loaded (not played), at which point the first frame of the video is shown. To reconcile this issu...
I am looking for a library which facilitates video streaming and rendering which can be used to apply visual effects s.a. moving pictures and text over a backgound video or merge different video sources. The library should run on Linux. I was thinking about using GStreamer, and wanted to ask the community for an informed opinion. The la...
I have been searching the web for some time for a solid FFmpeg wrapper for C#/.NET. But I have yet to come up with something useful. I have found the following three projects, but all of them apears to be dead in early alpha stage. FFmpeg.NET ffmpeg-sharp FFLIB.NET So my question is if anyone knows of a wrapper project that is more...
Are there any algorithms for removing lighting from video? I have a video in which some objects are too strongly lit. How might I remove lighting from that objects without corrupting the entire video? ...
And now for some fun... I'd like to reproduce the technology behind Logitech Video Effects as seen here: http://www.youtube.com/watch?v=7qZLgA2g7Ow4 How do they track the user's head, eyes and mouth (in read-time no less)? Are there any publications on the algorithms behind this technology? ...
Hello, I've got a problem: I have a JMF-Videoplayer in my application and I want to draw on it (while the video continues). The Problem I've got is that I use a JLayeredPane where I add the VideoPlayer-Control on Layer.Content_Layer(index 0) and a JPanel (setOpaque(false)) on Layer.Modal_Layer(index 300). What happens is, when I add th...
I am trying to decompress an AVI file using DirectShow filters. Here is the graph I am building. File Reader -> AVI Splitter -> AVI decompressor -> SampleGrabber ->AVI Mux -> File Writer I am suing SampleGrabber to report progress of conversion, nothing else. The issue that I am having is that once the file is converted there is no ...
I am scraping forum website by type (article, webinar, video) I thought if ruby can extract somehow the length of the video. The corresponding html part of the web page looks like. <div align="center"><script type="text/javascript" src="http://somedomain.com/wp-content/themes/thesis/custom/swfobject.js"></script> <div id="play...
Hi, I'm not sure if this is the appropriate place to ask this but I'll give it a shot. I am wondering if there is a way to access the video feed from my CCTV system. I don't have a system but I am wondering if I did, could I? I've seen solutions where you have to purchase a network interface unit, which acts as a webserver and you c...
I've been trying to find a good library for manipulating video, for example, gluing clips together, addings captions, transitions between clips etc. So far I have no been able to find anything promising. If it runs on linux thats a plus, does not have to be free. To be clear, im looking for some form of api/library, not a video editing t...
Hi Guys, I've done the hard work, turning my iSight camera on my MacBook into an infared camera, converted it, set the threshold etc.. and now have an image that looks something like this: My problem is now; I need to know how many blobs are on my image by grouping the white pixels. I don't want to use cvBlob/cvBlobsLib, I'd rather ju...
Hi All, I am trying to concatenate two video files with the gnonlin components of the gstreamer. The pipeline I am using is gst-launch-0.10 gnlcomposition { gnlfilesource name="s1" location="/home/s1.mp4" start=0 duration=2000000000 media-start=0 media-duration=2000000000 gnlfilesource name="s2" location="/home/s2.mp4" start=2000000...
I'm looking to dynamically add watermarks to a video on a website. What, in your opinion, is the best language and library to do so? ...
Hello! I want to write video filter for Adobe Premiere, and I need to print/draw/render some text into the output video frame. Looking into adobe premiere cs4 sdk I couldn't find a quick answer - is it possible? Please provide some samples! Thanks! ...
I have a set of jpeg images where each image has an associated description. e.g. im1.jpg - suspect enters bank im7.jpg - suspect hands teller a note imj41.jpg - teller gives suspect a bag ... ... It's trivial to view these images individually and see the description but how do I play this as a movie? I need to play the images and when...
Hi, I am writing a simple motion detection program but i want it to be cross platform so im using python and the pyglet library since it provides a simple way to load videos in different formats (specially wmv and mpeg). So far i have the code given below which loads the movie and plays it in a window. Now i need to: 1) grab frame at tim...
Hi, i want to display thumbnails for videos listed on my site, i want to fetch a single frame from a video (from a particular time) and display them as thumbnails. Is that possible using .Net ? (C# or VB) ...