1394-based DC Control Library ()

Peter Antoniac | 7 Jun 2011 14:14

Re: Pre built libdc1394 libraries for Windows

On Saturday 28 May 2011 14:44:47 Samuel Audet wrote:
> Someone would first need to update the Windows code in the repository to
> make it build at all, and then debug and test it for Windows 7:
> http://msdn.microsoft.com/en-us/windows/hardware/gg454502.aspx

The problem was that Windows SDK changed and we lost the guy that was doing 
the updates. I don't have Windows, Damien doesn't have it either (unless he 
changed his mind) and I think David is already hooked with Mac issues. As a 
result, we cannot test/integrate/update for Windows until we find a 
developer/maintainer serious enough to take the challenge.

If you have a solutinon and we can test it somehow (one of us) we will be 
happy to add it to the library.

Cheers,
Peter
-
 Peter Antoniac, PhD
 https://launchpad.net/~pan1nx
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BOFH excuse #49:

Bogon emissions

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Michael Ellis | 7 Jun 2011 14:29

Re: Pre built libdc1394 libraries for Windows

Slightly off topic but...

I'm using libdc to add some camera support to my Java application. I'm working on an Apple MacBookPro and the
libdc1394 via JNA. This seems to work rather well.

Even if there was the source code for the Windows platform support, I'd have a problem compiling for Windows
from my Apple Mac so... has anyone implemented libdc1394 or something similar directly in Java with
platform specific JNA access to the services for the firewire access?

The JNA interface I have built is a piecemeal usge of JNAerator. Does anyone have an interest in this (it's
incomplete but meets my needs and I would be happy to share)

Michael Ellis

On 7 Jun 2011, at 13:14, Peter Antoniac wrote:

> On Saturday 28 May 2011 14:44:47 Samuel Audet wrote:
>> Someone would first need to update the Windows code in the repository to
>> make it build at all, and then debug and test it for Windows 7:
>> http://msdn.microsoft.com/en-us/windows/hardware/gg454502.aspx
> 
> The problem was that Windows SDK changed and we lost the guy that was doing 
> the updates. I don't have Windows, Damien doesn't have it either (unless he 
> changed his mind) and I think David is already hooked with Mac issues. As a 
> result, we cannot test/integrate/update for Windows until we find a 
> developer/maintainer serious enough to take the challenge.
> 
> If you have a solutinon and we can test it somehow (one of us) we will be 
> happy to add it to the library.
>

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Steven Hang | 10 Jun 2011 20:24

libdc1394, OSX, and a Point Grey USB Chameleon camera

Hey everyone, I'm all getting started with this, so it'd be great if I 
can get some help. I have libdc1394 installed through MacPorts, and am 
currently trying to capture an image from my Point Grey USB chameleon 
camera. What concerns me though is that it is not Firewire, although it 
is supported by libdc1394. I am running on OS X 10.6. All the code 
examples I've looked at require libraw1394, and I am having trouble 
getting that to compile under my system. The website still hasn't update 
the requirements for OS X yet, so I'm a bit lost right now. I think I 
might need libusb since my camera is USB, but I am not sure. If anybody 
has any example code that works on OS X with the MacPorts libdc1394, 
that would be a great help.

Thanks.

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Stefan Richter | 11 Jun 2011 13:06

Re: libdc1394, OSX, and a Point Grey USB Chameleon camera

On Jun 10 Steven Hang wrote:
> All the code examples I've looked at require libraw1394, and I am having
> trouble getting that to compile under my system.

libraw1394 uses a Linux-specific FireWire-specific kernel interface.  It
is therefore doubly irrelevant for using a USB camera under OS X.

Check the code examples whether their raw1394 calls do anything important
at all.  Many IIDC capture related applications should be possible to
implement on top of libdc1394 alone, without any trace of libraw1394 in
the application program.
--

-- 
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-=====-==-== -==- -=-==
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Peter Antoniac | 15 Jun 2011 14:23

Re: Pre built libdc1394 libraries for Windows

On Tuesday 07 June 2011 15:29:07 you wrote:
> Slightly off topic but...
> 
> I'm using libdc to add some camera support to my Java application. I'm
> working on an Apple MacBookPro and the libdc1394 via JNA. This seems to
> work rather well.
> 
> Even if there was the source code for the Windows platform support, I'd
> have a problem compiling for Windows from my Apple Mac so... has anyone
> implemented libdc1394 or something similar directly in Java with platform
> specific JNA access to the services for the firewire access?

Hi,

There is jlibdc1394.sf.net

I am one of the maintainers there for the linux part. The code should work, 
but haven't touch it since ages. Give it a try if you want and send me 
feedback. I might pet the windows guys to help you...

Cheers,
Peter
-
 Peter Antoniac, PhD
 https://launchpad.net/~pan1nx
 GIT/CS a C+++ UL+++$ w--- PGP++ e++++

BOFH excuse #204:

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Salvador Garcia Bernal | 15 Jun 2011 19:02

Using Registers on Camera

Hello list,

I've been playing with the Flea3 Camera from PointGray.
I was checking some parts of the libdc1394 , specially the AVT (which I think I gonna use )
The question is:

I want to use the internal register of the camera to set up the shutter and gain in a so call cycle "HDR" mode.
where 4 values enters in quick cycle mode. With the oficial SDK will be something like:

               flycaptureSetCameraRegister (context, 0x1820, 0x120); // for shutter 1
               flycaptureSetCameraRegister (context, 0x1824, 0xE3); //for gain 1

               flycaptureSetCameraRegister (context, 0x1800, 0x82000000); //turn on "hdr" cycle


I saw that the AVT has an HDR_mode , in dc1394_avt_* , but I'm not sure what it does or how to use it. The documentation is not clear. so, what ca I do with the AVT?, How to set that "hdr" mode?, And also how to write to the internal registers of the camera using the libdc1394?

Right now I have a working version setting for every frame a manual shutter and gain values, but I want to load them into the camera for a free run.

Thanks.

--
      Salvador Garcia Bernal, MSc.
   Electronics, Robotics and Animation

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Josh Nijenhuis | 15 Jun 2011 21:12

Re: Using Registers on Camera

As far as I know the Point Grey Cameras do not have this feature, the AVT is Allied Vision Tech's cameras. I have a Stingray F125C and I use sequence(HDR) mode in it but the point grey ones do not, unless its a new thing in the Flea3? I am setting registers too but even if the Flea3 has sequence mode I would think it would be different registers

Josh

On 06/15/2011 01:02 PM, Salvador Garcia Bernal wrote:

Hello list,

I've been playing with the Flea3 Camera from PointGray.
I was checking some parts of the libdc1394 , specially the AVT (which I think I gonna use )
The question is:

I want to use the internal register of the camera to set up the shutter and gain in a so call cycle "HDR" mode.
where 4 values enters in quick cycle mode. With the oficial SDK will be something like:

               flycaptureSetCameraRegister (context, 0x1820, 0x120); // for shutter 1
               flycaptureSetCameraRegister (context, 0x1824, 0xE3); //for gain 1

               flycaptureSetCameraRegister (context, 0x1800, 0x82000000); //turn on "hdr" cycle


I saw that the AVT has an HDR_mode , in dc1394_avt_* , but I'm not sure what it does or how to use it. The documentation is not clear. so, what ca I do with the AVT?, How to set that "hdr" mode?, And also how to write to the internal registers of the camera using the libdc1394?

Right now I have a working version setting for every frame a manual shutter and gain values, but I want to load them into the camera for a free run.

Thanks.

--
      Salvador Garcia Bernal, MSc.
   Electronics, Robotics and Animation

------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Mailing list for libdc1394-devel libdc1394-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org https://lists.sourceforge.net/lists/listinfo/libdc1394-devel

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Josh Nijenhuis | 15 Jun 2011 21:14

Re: Using Registers on Camera

My apologees, apparently it does have it, but not enough to meet my requirements, I needed 10 or more, and the AVT cameras are capable of 32 i think

On 06/15/2011 01:02 PM, Salvador Garcia Bernal wrote:

Hello list,

I've been playing with the Flea3 Camera from PointGray.
I was checking some parts of the libdc1394 , specially the AVT (which I think I gonna use )
The question is:

I want to use the internal register of the camera to set up the shutter and gain in a so call cycle "HDR" mode.
where 4 values enters in quick cycle mode. With the oficial SDK will be something like:

               flycaptureSetCameraRegister (context, 0x1820, 0x120); // for shutter 1
               flycaptureSetCameraRegister (context, 0x1824, 0xE3); //for gain 1

               flycaptureSetCameraRegister (context, 0x1800, 0x82000000); //turn on "hdr" cycle


I saw that the AVT has an HDR_mode , in dc1394_avt_* , but I'm not sure what it does or how to use it. The documentation is not clear. so, what ca I do with the AVT?, How to set that "hdr" mode?, And also how to write to the internal registers of the camera using the libdc1394?

Right now I have a working version setting for every frame a manual shutter and gain values, but I want to load them into the camera for a free run.

Thanks.

--
      Salvador Garcia Bernal, MSc.
   Electronics, Robotics and Animation

------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Mailing list for libdc1394-devel libdc1394-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org https://lists.sourceforge.net/lists/listinfo/libdc1394-devel

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Salvador Garcia Bernal | 16 Jun 2011 12:48

Re: Using Registers on Camera

Hello,

Well, What you mean with 32? stops? memory?

The addresses of the registers are from 1820 - 1828 for the internal registers,
my problems is: what function can I use to set up those registers using the libdc1394?

By the way, we are planning to buy a new camera, do you recomend any AVT Cam to use with the so call "HDR mode"?

thanks,

On Wed, Jun 15, 2011 at 8:14 PM, Josh Nijenhuis <josh <at> nijenhuis.ca> wrote:

My apologees, apparently it does have it, but not enough to meet my requirements, I needed 10 or more, and the AVT cameras are capable of 32 i think

On 06/15/2011 01:02 PM, Salvador Garcia Bernal wrote:

Hello list,

I've been playing with the Flea3 Camera from PointGray.
I was checking some parts of the libdc1394 , specially the AVT (which I think I gonna use )
The question is:

I want to use the internal register of the camera to set up the shutter and gain in a so call cycle "HDR" mode.
where 4 values enters in quick cycle mode. With the oficial SDK will be something like:

               flycaptureSetCameraRegister (context, 0x1820, 0x120); // for shutter 1
               flycaptureSetCameraRegister (context, 0x1824, 0xE3); //for gain 1

               flycaptureSetCameraRegister (context, 0x1800, 0x82000000); //turn on "hdr" cycle


I saw that the AVT has an HDR_mode , in dc1394_avt_* , but I'm not sure what it does or how to use it. The documentation is not clear. so, what ca I do with the AVT?, How to set that "hdr" mode?, And also how to write to the internal registers of the camera using the libdc1394?

Right now I have a working version setting for every frame a manual shutter and gain values, but I want to load them into the camera for a free run.

Thanks.

--
      Salvador Garcia Bernal, MSc.
   Electronics, Robotics and Animation

------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking.
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Josh Nijenhuis | 16 Jun 2011 13:07

Re: Using Registers on Camera

32 Sequences, so you can have 32 different what ever look in the manual for the AVT cameras, you can configure, AOI, exposure, etc.

Here is the stingray manual look starting on page 207 of the pdf and 208 of the page numbers, if you read that you can understand more of what its features are,
You might want to read over the High SNR part too, page 172. never got it to work myself but i didn't need to either since the Sequence mode is working for me.
Keep in mind you need your software to combine the sequences into an HDR image, but the manual will tell you that.

You would have to figure out your requirements for the camera maybe the Stingray is to weak or not powerful enough.

Have a good day.

On 06/16/2011 06:48 AM, Salvador Garcia Bernal wrote:

Hello,

Well, What you mean with 32? stops? memory?

The addresses of the registers are from 1820 - 1828 for the internal registers,
my problems is: what function can I use to set up those registers using the libdc1394?

By the way, we are planning to buy a new camera, do you recomend any AVT Cam to use with the so call "HDR mode"?

thanks,

On Wed, Jun 15, 2011 at 8:14 PM, Josh Nijenhuis <josh-vKEGgEn6d97D1m2VYDcomQ@public.gmane.org> wrote:

My apologees, apparently it does have it, but not enough to meet my requirements, I needed 10 or more, and the AVT cameras are capable of 32 i think

On 06/15/2011 01:02 PM, Salvador Garcia Bernal wrote:

Hello list,

I've been playing with the Flea3 Camera from PointGray.
I was checking some parts of the libdc1394 , specially the AVT (which I think I gonna use )
The question is:

I want to use the internal register of the camera to set up the shutter and gain in a so call cycle "HDR" mode.
where 4 values enters in quick cycle mode. With the oficial SDK will be something like:

               flycaptureSetCameraRegister (context, 0x1820, 0x120); // for shutter 1
               flycaptureSetCameraRegister (context, 0x1824, 0xE3); //for gain 1

               flycaptureSetCameraRegister (context, 0x1800, 0x82000000); //turn on "hdr" cycle


I saw that the AVT has an HDR_mode , in dc1394_avt_* , but I'm not sure what it does or how to use it. The documentation is not clear. so, what ca I do with the AVT?, How to set that "hdr" mode?, And also how to write to the internal registers of the camera using the libdc1394?

Right now I have a working version setting for every frame a manual shutter and gain values, but I want to load them into the camera for a free run.

Thanks.

--
      Salvador Garcia Bernal, MSc.
   Electronics, Robotics and Animation

------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking.
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--
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Electronics, Robotics and Animation

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