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Saturday, September 23 2017 @ 02:29 AM CDT

Live Streaming Technical

The technical aspects of live streaming long-term video as well as many other aspects of the streaming video world are changing daily. From new cameras to new ISPs and Content Delivery Networks (CDN) to changes in standards and invention of new technologies, you'll find items here. We're looking for interesting stories and items from across the net that can be highlighted here. 


 

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Converting Video is a Pain - But...

Unless you've been studying digital video (and audio, and still) technology for some time now, you're probably pretty confused by all the various acronyms, file extensions, terms and "standards" - I know, I certainly was a few years ago when I really started to get into dealing with it in a big way.

Just the fact that there are two different aspects to digital video streaming that seem to have the same names for different things sure didn't help any at all: codecs and containers.

Before you start thinking about changing video files from one format to the other, you need to get the above firmly in your head.

The reason for this is that, for example, two different AVI files of the same material may have video encoded with different video codecs, and audio encoded with different audio codecs, and therefore may not be readable by the same program, even though the file extension ".avi" is the same on both files. Therein lies the major source of confusion. Similarly, other container formats may also contain any of several different codecs for video and/or audio, and in fact may contain several of each in some instances.

That all being said, the reason I want to talk about them is that I finally found (wasn't looking, but somebody pointed it out to me) a graphical front-end to a video transformation tool that I've been using for years now that helps for many of the basic transformations you're likely to come across.

The GUI tool is WinFF and the underlying command-line tool is ffmpeg

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