video-processing

video portal developed in C# ASP.NET

Do you know some video portal similar to youtube developed in C# asp.net? open source or free version. Thank you. ...

Beginner video capture and processing/Camera selection

I'll soon be undertaking a research project in real-time event recognition but have no experience with the programming aspect of video capture (I'm an upperclassman undergraduate in computer engineering). I want to start off on the right foot so advice from anyone with experience would be great. The ultimate goal is to track events such ...

Silverlight MediaElement issue

Hello everyone, I am using Silverlight 3.0 + .Net 3.5 + VSTS 2008 + C# to develop a simple video application using MediaElement of Silverlight. I have two videos and I want to play them at the same time (similar to picture in picture effect) -- i.e. a part of the two videos are overlapped when they are playing (the same concept of Z-Or...

How to creating animation videos programmatically ( Java or C ) from pictures

I am creating a animation video for which I have the frame by frame pictures. I want to create a video out of it but only programmatically and not using any tool like MovieMaker, Flash or AdobePremier. Please let me know if there any apis which can combine these frames and create compressed video in any of the formats like AVI, MPEG-4 e...

Video conversion in java

Is there any framework or open source project for Java that does video conversion from any video format to any video format. Something similar to Panda Video Conversion framework. ...

Problems with video conversions through the web (local host)

Hello, I get the following errors when I attempt video format conversions called from the local host: “An invalid media type was specified” for M4V to WMV conversions. “One or more arguments are invalid” for MP4 to WMV conversions. Here are the details of the problems: I’ve written a dll in C# that accepts videos in the formats AVI, ...

Can I process video using flash?

I want to have a web page where user can activate his/her web-camera and send video to another user. Additionally to that I want to have a possibility to process video on the client side. In more details, I want to have a program which analyze video on the client side. Is it possible to do it with Flash? ...

Why does this gstreamer pipeline stall ?

This works: gst-launch-0.10 \ videotestsrc ! ffmpegcolorspace ! 'video/x-raw-yuv' ! mux. \ audiotestsrc ! audioconvert ! 'audio/x-raw-int,rate=44100,channels=1' ! mux. \ avimux name=mux ! filesink location=gst.avi I can let it run for a while, kill it, and then totem gst.avi displays a nice test card with tone. However, trying to do ...

How to get the duration of the video uploaded ?

i'm using ffmpeg to convert videos to desired formats and to generate the thumbnails.. I want to find the total duration of the video to display in the main page along with the thumbnails.. Can i use ffmpeg to find the duration when its being uploaded and store them on the database.? Is storing the duration in db is necessary or else...

what is the best video processing programming language ?

Hello, i have 4 digital cams, the distance between every cam is 30 CM, i need a software or a programming library that works on c++ or Java, that can take videos from these 4 cams, and put them in one video showing only one image that is gathered from the 4 cams, any hints would be helpful, Thanks anyway. ...

Free stock footage for open-source project

I'm implementing a video processing framework. Where can I get high quality free stock footage so I could use it to demonstrate functionality? The framework is open source, so I'd like the videos to be as well (I'm not charging for the final product, so I wouldn't want to pay for the videos either). ...

Align four Quicktime (.MOV) files by their audio signals and play back simultaneously?

Greetings, Does anyone know a way to align four Quicktime (.MOV) files by their audio signals and then play them back, simultaneously as videos, on Mac OS 10.6? Thanks! ...

Image processing - one frame is washed out, other isn't. How to 'fix'?

I have the following 2 consequative, unaltered frames from a video: For some reason the camera made the 2nd much 'washed out' than the first. I want to make the 2nd look more like the 1st. In the video I'm trying to process, there are lots of cases like this, where the 'exposure' changes suddenly from one frame to the next. I am abl...

Any good way to handle VOB files in C# ?

Hi all, We are trying to load a DVD scan it and extract some information. To extract the information we need to take a snapshot and run some image analysis. So far we were using the DirectShow framework and got almost all of the features to work. The major issue is handling an encrypted DVD. We can't make it fast forward, run backwar...

Video edit framework in objective-c

Hello guys! Is there any framework that can edit videos in objective-c. Any help is welcome. Thank you very much! ...

Use PHP or Flash to extract a frame from a video

Hello guys, The quick question: is there a pure PHP library that can extract a frame from the video to use as the thumbnail? I guess the answer is "no" but let me know if I am wrong :-) ffmpeg wrappers will not go, since I want this feature to work on most hostings without special PHP modules or binaries to launch. There might also be ...

Can ffmpeg burn in time code?

I have a need to burn in a time code to a video and am wondering if this is something that ffmpeg is capable of? ...

How can I use AviSynth to resize a region of a video

Hi, I have a video file in which part of the video file has been set to the wrong aspect ratio (by "part" I mean a particular rectangular area of the video, NOT a particular timespan). Is it possible to use AviSynth to resize just this area of the video? I'm familiar with the concept of avisynth and some very basic scripting, but am un...

How to make video wall with iPhone SDK.

Hi. I need to generate video file with iphone SDK that looks like a wall of few smaller videos. Did somebody could help me with advice how to implement this? I am currently thinking of images with frames, that placed in UIView in needed order and then assemble them in one final video, but I can't find how to do it. Here's how it should ...

Getting frame dimension from raw mpeg4 stream?

hi there, does anyone know how i can retrieve the frame dimension of a mpeg4 video (non h264, i.e. Mpeg4 Part 2) from the raw video bitstream? i´m currently writing a custom media source for windows media foundation, i have to provide a mediatype which needs the frame size. it doesn´t work without it. any ideas? thanks ...