[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
--
PGP fingerprint: 5E61 C878 0F86 295C E17D 8677 9F0F E587 374B BE81
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