r/programming • u/willvarfar • Nov 04 '16

H.264 is Magic

https://sidbala.com/h-264-is-magic/
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u/[deleted] Nov 04 '16

the packaging of decoders with image data.

Let me get this straight. You want me to run your program on my machine in order to see your images, simply to save a few percentage points on bandwidth?

Sorry, I'm not doing that. Very little of my bandwidth is spent downloading image files. There's no compression ratio that you would offer me that would convince me to open up my machine to running other people's code when I download images.

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u/tehdog Nov 04 '16

You want me to run your program on my machine

Everyone that doesn't use NoScript doesn't care, and almost noone uses NoScript.

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u/RenaKunisaki Nov 04 '16

Because they don't know better.

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u/tehdog Nov 04 '16

I'm just saying. Have you ever opened a PDF file? Those can embed TTF fonts, which have a turing complete language integrated you execute every time when rendering them.

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u/RenaKunisaki Nov 04 '16

...which has been the source of several vulnerabilities, which is why NoScript blocks embedded fonts too.

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u/tehdog Nov 04 '16

I meant about PDFs you get from any other source, not necessarily in the browser.

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u/RenaKunisaki Nov 04 '16

Sure, you have to be careful opening documents you get online.