video
HTML5 and Javascript to play videos only when visible
Using the isInViewport plugin and jQuery, here’s my code for the task $(‘video’).each(function(){ if ($(this).is(“:in-viewport”)) { $(this)[0].play(); } else { $(this)[0].pause(); } })
Stop all playing iframe videos on click a link javascript
Try this way, <script language=”javascript” type=”text/javascript” src=”https://stackoverflow.com/questions/13598423/jquery-1.8.2.js”></script> <script language=”javascript” type=”text/javascript”> $(function(){ $(‘.close’).click(function(){ $(‘iframe’).attr(‘src’, $(‘iframe’).attr(‘src’)); }); }); </script>
Converting an HLS (m3u8) to MP4 [closed]
ffmpeg -i in.m3u8 -acodec copy -vcodec copy out.mp4 For AAC audio you will also need to add the the bit ststream filter. (Thanks @aergistal for pointing that out) ffmpeg -i in.m3u8 -acodec copy -bsf:a aac_adtstoasc -vcodec copy out.mp4
How can I correctly provide a mock webcam video to Chrome?
After reading the link you provided I noticed that we can also provide an mjpeg. Depending on what your test requirements – this may be sufficient for you. As a terminal command with ffmpeg installed: ffmpeg -i oldfile.mp4 newfile.mjpeg then I tested by running Google Chrome from the terminal using: google-chrome –use-fake-device-for-media-stream –use-file-for-fake-video-capture=newfile.mjpeg After navigating … Read more
Youtube content identification technology?
Pedro Moreno and others at Google/Youtube work on it. They use finite-state transducers to recognize sequences of music phone units, similar to phonemes in automatic speech recognition. Check out this article: Eugene Weinstein, Pedro J. Moreno; Music Identification with Weighted Finite-State Transducers, Proceedings of the International Conference in Acoustics, Speech and Signal Processing (ICASSP), 2007. … Read more
Stream video in Java
Xuggler is a nice opensource Java library that deals with streaming and modifying media on the fly. http://www.xuggle.com/xuggler/ You can either use it with Red5 or if you want complete control, Xuggler has an IContainer class where each instance can be set up to stream media in or out. I’ve been able to restream media … Read more
Base64 video encoding – good\bad idea? [closed]
[…] the backend developer […] insists that the media files (images/videos) should be transferred as base64 encoded in json files. This is a very bad (and silly) idea up-front. You do not want to transfer large amount of binary data as strings. Especially not Unicode strings. Here you need to arm up and convince your … Read more