[guardian-dev] getting a native FD from my iocipher disk

Hans-Christoph Steiner hans at guardianproject.info
Thu Jul 18 14:09:04 EDT 2013



On 07/18/2013 01:42 PM, Mark Murphy wrote:
> On Thu, Jul 18, 2013 at 1:38 PM, Josh Steiner <josh at vitriolix.com> wrote:
>> Very interesting idea!  I'll take a crack at porting your demo app to
>> IOCipher.  Thoughts on what video codecs this might work with as well?
> 
> I suspect that the answer there is "none of them", but I'm no
> codec-and-container expert.

My hunch is that any codec that can stream will work.  You could test this
theory by cat'ing a video to ffmpeg and see if it works properly.  H264 can
stream, perhaps even in the mp4 container.  It might not output a proper .mp4
file though.

Also, thru randomly searching around the internet, I found this: "the metadata
for an mp4 is located in the back of the video file information" so perhaps
it'll write out fine via a stream.
http://howbits.com/stream-mp4-website-h264-high/

.hc

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