video-processing

Use MediaInfo to get FrameRate

Is there a way to use MediaInfo to get the framerate of a video file? I've been looking at this reference, but it seems it's not supported for most container formats? Edit: It seems that using the string "FrameRate" works for some video files, but it failed for an mpeg2. ...

ffmpeg for extract a frame from iPhone video camera

I am trying to extract an image frame from a video taken from iPhone camera using ffmpeg. But it usually throws me a EXEC_BAD_ACCESS and the stacktrace is showing in another method calls that is never called (I know my code didn't call it) I am using the ffmpeg built from the instruction of the iFrameExtractor website. If anybody do it ...

Using mciSendCommand to capture video frame

Using VB.Net is it possible to capture a frame from a video and save it to an image file by using mciSendCommand? (as that is what is being used to play the video) Thanks. ...

How to re-insert Headers of container and audio again after strap them out using ffmpeq

Hi, after using the following command to remove the container and audio headers from the i/p file in order to manipulate the I-frames, the output file won't be played, so my question is how can I reverse the effect of the following line : ffmpeg -i filename -an -vcodec copy -f rawvideo output_filename ...

C++ video handling

What is the easiest method for reading in the raw data (raw RGB image data for each frame) from a video file, in C++. I really would appreciate some good detailed responses, or helpful links. I intend to manipulate the data using inline assembly. I am using microsoft visual C++ 2010 express. ...

Overlaying short video files on Linux? (ffmpeg)

Does ffmpeg or any other tool support merging/overlaying (not concatenating) of video files? I am trying to avoid frame-by-frame image merge into final video. ...

video in format .dwz to other formats

hi all, how I can convert a video .dwz a to format comertial(avi,mp4 etc) or how I can watch it?. Thanks for your answers ...

How to extract the bitrate and other statistics of a video file with Python

I am trying to extract the prevailing bitrate of a video file (e.g. .mkv file containing a movie) at a regular sampling interval of between 1-10 seconds under conditions of normal playback. Kind of like you may see in vlc, during playback of the file in the statistics window. Can anyone suggest the best way to bootstrap the coding of s...

Load video file and select individual frames

We are developing an app to take video files in various formats, perform some simple editing to the files, and output them to a specific format. I can handle everything except for the editing part through FFMPEG, as the editing requires a user to specify certain things. I need a user to specific any frame ranges that need to be trimmed...

Server-side video editing

This is what I need to do on a server. Let's say that I have 3 video files: video1.avi 2 minutes -> 640x320 video2.avi 1 minute -> 640x320 video3.avi 1 minute -> 640x320 I need to create video4.avi, that will be 2 minutes long and 1280x320, Containing the videos side by side (horizontally).I need video2 and video3 to be at the right s...

gstreamer command to compose (pip) two videos.

What command should I execute in gstreamer in order to compose two 320x240 videos into a single 640x240 side-by-side video? let's say I have video1.avi and video2.avi ...

Rotating videos with FFmpeg

I have been trying to figure out how to rotate videos with FFmpeg for some time now. I am working with iPhone videos taken in portrait mode. I know how to determine the current degrees of rotation using MediaInfo (excellent library, btw) but I'm stuck on FFmpeg now. From what I've read, what you need to use is a vfilter option. Accordin...

C# version of mp4parser

I am looking to parse mp4 for my .net application. I couldn't find any mp4 parser in .net. Found mp4parser which is in java. Please let me know is there any C# version available? if no, is it possible to use mp4parser with .net? ...

How do I use flvmeta to do the same af flvtool2 -U?

Hi, We are currently using flvtool2 for flv video processing. I don't really know what it does, but i know we need the following command to run. flvtool2 -U the_movie.flv We are running into problems with large videos and have been searching for an alternative, and have found flvmeta, however it is not documented at all. We would like...

Continuing the prev question of ASSETWriterInput for making Video from UIImages on Iphone Issues

I want a new thread because I like to post some codes , the little comment section wouldn't do it. Thanks peter Deweese previously, but I still have issues.. I have a loop, getting a screen capture 30 times. Each time I got an image I call convert to append that image to video. After that, close the video file so, anything I did w...

Video Conversion (a la youtube)

So we were going to make a website allowing users to upload video. The website is going to be in PHP/MySQL. Are there any converters out there available for PHP to convert a video from a given format to flash to display on the web page to play? Basically we would have a file on the server in say .avi format, or quicktime format. How do ...

HandBrakeCLI and CoreAudio

Hey! Could you tell me how to use HandbrakeCLI with coreaudio? Found this unapplied patch http://trac.handbrake.fr/wiki/UnappliedPatches#coreAudio but dont know how to build it myself on osx-snowleopard.. Can you help me? ...