[Ssc-dev] EXIF support WAS: Tomorrow's Meeting - Cancelled?

[Hans-Christoph Steiner]

Since we are already going to be including some NDK libraries, it  
shouldn't be too hard to also include an EXIF library if there is a  
better one that you know of.

.hc

On Jan 10, 2011, at 9:53 PM, Andrew Senior wrote:

> I also just looked into the Exif support:
> http://developer.android.com/reference/android/media/ 
> ExifInterface.html
> It seems pretty limited. but might be enough to remove the sensitive  
> metadata that most phones put in: GPS, date_time, make and model. I  
> guess  we can't rule out some phone adding a "This photo was written  
> by phone IMEI xxxx" in a comment without building the Exif data  
> ourselves. I actually wanted to make an Exif metadata editing app,  
> to tag photos, (comment / location/ etc.) but it looks like that  
> would require dedicated code.
>
> Andrew
>
> On Mon, Jan 10, 2011 at 9:27 PM, Andrew Senior  
> <aws at andrewsenior.com> wrote:
> Sorry to hear that. Hope you can get it fixed.
>
> Here's my update:
>
> I got OpenCV for Android working (via windows), - just the cvcamera  
> sample app. (After setting various environment variables and  
> installing JDK & ant, updating eclipse, android SDK, renewing my  
> debug key and editing the build file:
> http://code.google.com/p/android/issues/detail?id=13024 )
>
> I got Google clearance to contribute to the project.
>
> I was wondering what using the NDK+OpenCV would do to code  
> portability- is it easy to cover all architectures? And still  
> distribute via the market? A first attempt didn't install on my Evo,  
> even though I read it has the Snapdragon like the Nexus One.
>
> http://developer.android.com/sdk/ndk/overview.html says the  
> following, but I'm not sure what coverage that implies:
> The latest release of the NDK supports these ARM instruction sets:
>
> ARMv5TE (including Thumb-1 instructions)
> ARMv7-A (including Thumb-2 and VFPv3-D16 instructions, with optional  
> support for NEON/VFPv3-D32 instructions)
> Future releases of the NDK will also support:
>
> x86 instructions (see CPU-ARCH-ABIS.HTML for more information)
> ARMv5TE machine code will run on all ARM-based Android devices.  
> ARMv7-A will run only on devices such as the Verizon Droid or Google  
> Nexus One that have a compatible CPU. The main difference between  
> the two instruction sets is that ARMv7-A supports hardware FPU,  
> Thumb-2, and NEON instructions. You can target either or both of the  
> instruction sets — ARMv5TE is the default, but switching to ARMv7-A  
> is as easy as adding a single line to the application's  
> Application.mk file, without needing to change anything else in the  
> file. You can also build for both architectures at the same time and  
> have everything stored in the final .apk. Complete information is  
> provided in the CPU-ARCH-ABIS.HTML in the NDK package.
>
>
> Andrew
>
>
> On Mon, Jan 10, 2011 at 8:18 PM, Shawn Van Every <vanevery at walking-productions.com 
> > wrote:
> Hi Folks,
>
> Unfortunately, due to a dental emergency (ouch!!!!) it looks like I  
> won't be able to meet with you all tomorrow.  Since Nathan is gone  
> as well this week, it probably makes sense to cancel it.
>
> I'll try to send out an update at some point tomorrow, perhaps we  
> can all converse a bit virtually.
>
> Hope all is well.
>
> Best,
> shawn
>
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"Making boring techno music is really easy with modern tools, but with  
live coding, boring techno is much harder." - Chris McCormick




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