video-processing

what is the best way to serve video's on my website?

Hi, sometimes i feel like such a beginner... I want so serve some video's on my site. They are available as .MP4 files, gotten from a FlipShare camera. Now i tried converting them to WMV (which succeeded, but when embedded in html in a <object id='mediaPlayer' width='320' height='285' classid='CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95...

TV audio processing with TV capture card

Hello, I'm looking for an open source library or framework to process audio signal from a TV capture card. The idea is to detect TV ad spots and register the time and the channel where them happends. I never worked in something like this, so, any information, link, idea is welcome. Thanks in advance! EDIT: I don't care about the langu...

How to overwrite i-frames of a video?

I want to destroy all i-frames of a video. Doing this I want to check if encrypting only the i-frames of a video would be sufficient for making it unwatchable. How can I do this? Only removing them and recompressing the video would not be the same as really overwriting the i-frame in the stream without recalculating b-frames etc. ...

Splitting/Merging 3gp files using a java library

Hi, I'm wondering if there's a java library out there that can manipulate 3gp files. Mostly I'm interested in splitting or merging existing video files. I've looked at JMF (java media framework), but it doesn't support 3gp…and FFmpeg looks promising, but it's not clear that the library allows splitting/merging of existing files. Does ...

How to convert uploaded video and get a screenshot from this file?

Hi, I'm building a cms and I want users to be able to upload videos but I'm not familiar with video upload & conversion. Is there an example or has anybody coded a solution like this? I heard about ffmpeg but I don't know how to integrate it with asp.net. As simple solution I can make my clients upload flv files but then I would still n...

how to implement video and audio merger program ?

Hi guys I want to make a program which takes video and audio and merges them. Video Type or audio type is not important for me. I just want to make so- called program. How can i make this ? does any library exist for this ? (I know there are many program about this topic but i want to learn how to implement such a program.) Help me ple...

Converting WMV to DVD ISO on Windows via command line tools

I need to script the conversion of some WMV files to a DVD-Video ISO file suitable for burning and viewing on a Windows system - does anyone have a simple solution that doesn't involve chaining together calls to ffmpeg and pegging my system CPU? ...

C# manipulating video

i want to take a folder of pictures, and turn it into a slideshow video with music in the background. i have no idea how to do this, or where to get help, cos this isnt the kind of thing you can search in google. idk if there are api's for it, or if it can even be done in C#. maybe ill have to move the project to C++ or something, but...

How to read pixel values of a video?

I recently wrote C programs for image processing of BMP images, I had to read the pixel values and process them, it was very simple I followed the BMP header contents and I could get most of the information of the BMP image. Now the challenge is to process videos (Frame by Frame), how can I do it? How will I be able to read the headers ...

how to generate abstract for a video?

Hello everyone, For a video file (e.g. wmv file or other format), I need to generate abstract for the video. The abstract is expected to be in text format. Any mature tools or algorithms? Better (not a must) if open source tools/SDKs so that I can modify for my special needs. thanks in advance, George ...

Navigation graphics overlayed over video

Hey, Imagine I have a video playing.. Can I have some sort of motion graphics being played 'over' that video.. Like say the moving graphics is on an upper layer than the video, which would be the lower layer.. I am comfortable in a C++ and Python, so a solution that uses these two will be highly appreciated.. Thank you in advance, Ri...

How to automate video capture for a game walkthrough with scripting?

Hi, I would like to know how can I do an automated video capture for a game walk through on a game such as Second life, etc? I am using camstudio to capture the video. Using windows, I wonder if shell scripting, or otherwise can do the job with camstudio? Thank you. ...

Video match anlysis

Hi every body I am looking forward to find an algorithm to detect a pattern in a given video file. Actually I am going to index moments in a tennis match video at which service (first kick after a goal) is shot. PS1: sorry for broken English. PS2: I DO NOT know anything about tennis except that you need a ball to play!! ...

Webcam video stream processing.

Hi Guys, I'm working with an image processing project, my final goal is to detect features on a real time video and finally track those features. I will be working with an Embedded Processor Platform called Freescale's i.MX515, it is a 32-bit media processor running on Ubuntu 9.04. Right now I'm working on the algorithms to locate the ...

Video tool to split video and audio in video stream

I am starting research on Video Indexing. Any suggestion which Programming libraries I could use to split the Audio and Video Streams? ...

generating thumbnail image for video

Hello everyone, I am using VSTS 2008 + C# + .Net 3.5 on Windows 7. I want to use Expression Encoder 3 to generate thumbnail image for video (wmv format) every 30 seconds -- e.g. for a 5 minutes video, there will be 10 thumbnails which reflects video at the time of 0 second, 30 second, 1 minute, 1 minute and 30 seconds, etc. Any referen...

NSInvalidArgumentException – App terminates while i'm trying to copy a captured video to documents folder.

I'd like to try the wisdom of the crowds..because i'm frustrated right now. Thanks in advance. So here is my code: - (void)imagePickerController:(UIImagePickerController *)ipc didFinishPickingMediaWithInfo:(NSDictionary *)info{ NSLog(@"info: %@",info); NSString *newFilename = [NSString stringWithFormat:@"%@/%@.mov", [NSHome...

Video Camera Capture: Any software to capture video on Linux...

Hi Guys, I'm working with an image processing project, where I have to read every frame of the image the USB camera captures and detect certain features. I'm making use of SIFT/SURF algorithms to do this. My application is going to run on i.MX515 (Freescale's Cortex-A8 embedded processor) running on Ubuntu 9.04. Right now I'm making use...

Video Analytics API

I am looking for an analytics solution that can give me loitering detection, line crossing, and people counting. I prefer an API over an entire software solution due to the specific requirements of the project. I have found two companies that provide video analytics, but neither seem to be in a hurry to give me pricing :P. Is there an...

C++: FFMPEG and SDL resources

I'm looking for resources (preferably books, but websites are fine too) for using FFmpeg and/or SDL with C++. Stuff I'd like to be able to do (eventually): Decode and play videos in realtime to a QT widget (the QT part isn't a problem) Overlay text and images on the video (in realtime) Loop video Cross-fade from one video to another (...