Dummy DV (IEEE 1394) grabber for Mac OS?

Is there some "stupid" utility for Mac OS, which would allow to grab video from DV camera via IEEE 1394 port without touching camers's controls?
I'm trying to use AV->DV dup function on my Canon Elura camera, when the analog signal is just translated to DV out. But iMovie is a control freak: it won't start importing without starting the cassete...
I'm thinking about something similar to dvgrab for Linux...

Utility...which would allow to grab video from DV camera
via IEEE 1394 port without touching camers's controls?...
iMovie is a control freak: it won't start importing without
starting the cassete...
I think there is some clarity missing here.
How one can get any signal, digital or otherwise, from a tape without actually playing the tape?
Or do you mean play the tape to get the DV out signal, but without capturing a MOV file on your HD?
In iMovie, clicking the play button will roll tape so you can view it onscreen, but it will not import when you do that.
Using the play button on the camera will also display within the imovie screen.
So my warped logic is telling me:
Presuming hitting the AV>DV button on your camera rolls tape and sends the digital stream out...it will beginn to display in iMovie, at which time clicking the import button should capture the digital stream the camera is outputting, which is the goal you are trying to achieve, right?

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Address Grabber for Mac?

I just moved to Mac a few days ago. I used a tool called AddressGrabber with my PC. It allowed me to select addresses (name, address, city, state, zip, country, phone, Fax, email, webpage, etc.) on any program (web, email, docs, etc.) and would "grab" it and drop it onto my Address Book (or a ton of other programs, contact managers, email addredss books, etc.). It rarely needed much editing and often needed none as it knew precisely where to drop every piece of address data in the correct field.
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Utility...which would allow to grab video from DV camera
via IEEE 1394 port without touching camers's controls?...
iMovie is a control freak: it won't start importing without
starting the cassete...
I think there is some clarity missing here.
How one can get any signal, digital or otherwise, from a tape without actually playing the tape?
Or do you mean play the tape to get the DV out signal, but without capturing a MOV file on your HD?
In iMovie, clicking the play button will roll tape so you can view it onscreen, but it will not import when you do that.
Using the play button on the camera will also display within the imovie screen.
So my warped logic is telling me:
Presuming hitting the AV>DV button on your camera rolls tape and sends the digital stream out...it will beginn to display in iMovie, at which time clicking the import button should capture the digital stream the camera is outputting, which is the goal you are trying to achieve, right?

Why is the IEEE 1394 Standard for digital cameras difficult to synchronize/trigger with other devices?

In the knowlege base, it generally says under "analog and digital cameras: advantages and disadvantags" that the IEEE 1394 is difficult to synchronize and trigger. Why is that exactly so and how can you solve that problem in DIAdem 8.0 when you would like to trigger your measurement inputs (accelerometers etc) together with a camera.

I would guess it is difficult to synchronize because it provides a software trigger. Latencies in the communication would make it difficult to perfectly synchronize two separate events.
Many firewire cameras also have a hardware trigger. If you were to use this with your other hardware, you would probably be able to get much better synchronization.
Bruce
Bruce Ammons
Ammons Engineering

Ieee 1394 port for HP G60-127NR Notebook

Does the HP G60-127NR Notebook PC come with an IEEE 1394 port? If not, how do I add one? It has a 5-in-1 reader.

You may have exceeded the available power capacity of the USB ports in your notebook PC too many times. That can result in non functioning (forever) ports. That is the specific reason that I recommend only using externally powered USB hubs.
You can check the current carrying capacity of the USB ports and see how much they are using via the device manager.
Open Device Manager and then right-click a USB root hub. Select properties and then the Power tab.
This particular system has many ports available.
****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
2015 Microsoft MVP - Windows Experience Consumer

From USB to IEEE-1394: question about HD capture, editing, sharing.

I’m new to editing video but have a question about capturing video into Premiere Elements 7. I have been using a Canon HF11 which shoots only in HD and only has USB output to copy video to my desktop. I don’t have a Blu-ray burner yet but I have burned a few projects to DVD, shared video on YouTube, and saved files in .avi and .mpeg to view on computer screens. But obviously I’m missing out on sharing HD on disk at this time. I just bought a Canon XH A1s which shoots both HD and SD on miniDV tapes. And uses IEEE-1394 cable for capturing (to Pre7). I did a 3 minute test project in SD and burned it on a DVD disk. I was very pleased at the results and the ease of editing. I don’t have any HD tapes yet, but when I do what differences will I experience from shooting in HD and then capturing, editing, then to sharing? My current HD processes with the HF11 is slow, occasional low-resources warnings, and less then pleasing results on DVD disks. Thanks for any and all comments and/or suggestions.

Your HF11 is AVCHD format and the Canon XH A1 is HDV MPEG2. AVCHD takes a lot more computer horespower to edit compared to HDV MPEG2... main reason being that AVCHD is more highly compressed giving small file sizes. This is also why you get the low resource and memory alarms while editing.
To shoot HD you do not need HD miniDV tapes you can use the standard miniDV tapes. However the HD tapes are supposed to give fewer drop-outs than the standard tapes but are considerable more expensive. With DV-AVI a drop out would be hardly noticed, but as HDV MPEG2 is a compressed format and the picture relies on information in a number of frames any drop-outs can give a second or so of bad video. That said I have had very few issues with drop-outs. If you are doing a wedding or something important that you do not want to risk then probably better to use a HD miniDV tape.
In the past the advise has been to capture in high definition to get the best quality and then downconvert in the camcorder and capture in DV-AVI... the reason being that older versions of Premiere Elements did not do a good job of the down conversion. Reports on PE7 indicate it is better and that you could use a HDV workflow and burn to DVD as a last stage. This also allows you to export a high definition version of your video to view on a monitor where you can appreciate the higher resolution. Or in the future when you have a Blu-ray burner and player you can burn the file to disc... save doing all the editing all over.

Info urgently needed - Need IEEE 1394 (Firewire) connection

I need a IEEE 1394 connection for my T60 (1951 A47) for transfering digital video from our new HD video camera. How can I upgrade my laptop to receive such a signal?
Not solved but replaced by -> http://forums.lenovo.com/lnv/board/message?board.id=T_Series_Thinkpads&message.id=19376
Kind regards
Per Buch Larsen
IBM Denmark, Communications
Message Edited by pbl_ibm on 10-10-2008 04:38 AM
Message Edited by pbl_ibm on 10-10-2008 04:40 AM
Solved!
Go to Solution.

I have searched for other issues in this forum regarding the mentioned PCMCIA IEEE 1394 adapter. It seems that people do experience troubles using it. Is there one adapter that is better than another? Should I change something in the setup of my T60? Simply, will it chrash?
Thans in advance
Kind regards
Per Buch Larsen
IBM Denmark, Communications

IEEE 1394 Port

Hi
Does anyone know where I can purchase a IEEE 1394 port for my KT4 Ultra M6590. XP will not shut down with a IEEE 1394 card.
Regards

jkdawson1 wrote:
How can I determine if the ieee 1394 port on my Satellite A215-S4807 is a 4-pin or 6-pin? the specs don't reference that information.
Well, you can just count the pins, but I'm sure it's a 4-pin. See this illustration:
http://www.rainrecording.com/support/article?id=79

NI-IMAQ for IEEE 1394 hardware compatibilities

Need to check if the following camera can work with NI-IMAQ for IEEE 1394?
http://www.ptgrey.com/products/dragonfly/index.html
thank you
Attachments:
dragonfly.pdf ‏1052 KB

If you look at How Can I Tell If My IEEE 1394 (Firewire) Camera Is Supported by the NI-IMAQ for 1394 you will find the dragonfly listed there.
You will also find a reference to Digital camera specification: 1.3 in the camera data sheet which confirms this.
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Missing camera attributes with the NI IMAQ for IEEE-1394 driver

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I also have another problem. When i use 1x1 binning the image must be 8bits, if is use 16bits, max cannot aquire the image (timeout error). Does anyone have the same problem?
Thank you very much.

Some non-standard attributes can be modified by directly reading and writing to the memory of the camera. Your camera manual probably has memory locations listed for the different attributes. You can get to these using the low level firewire routines. I have done it once or twice.
Bruce
Bruce Ammons
Ammons Engineering

"Insufficient resources for this video mode" error in IMAQ for IEEE-1394 1.1

I'm using 3 Sony DFW-X700 cameras (1024x768 YUV 4:2:2) and 1 Sony XCD-X700 (1024x768 8-bit mono) connected to 2 IEEE-1394 adapter cards (3 ports each). I'm running LV 6.1 on WinXP Pro PT.
I've tried several acquisition modes, and the only one that works fine is 'continuous acquisition', using 1 buffer per camera. The problem is that I can only setup 2 color cameras and 1 mono camera. If I try to setup 3 color cameras, I get an 'insufficient resources for this video mode' error. I would like to know if it's possible to configure more memory for the acquisition buffers under IEEE-1394 so that I can avoid this error.

Habil,
You might want to try to lower the frame rate of the cameras. This error is caused because the driver is able to allocate only part of the firewire bandwidth for your image acquisition, and a three camera color acquisition requires a huge amount of bandwidth. This is currently an issue that our R&D department worked this period and is going to be resolved in the next release of the driver. This release should be ready in one month. Good luck!
Nestor.
Nestor
National Instruments

NI-IMAQ for IEEE 1394 camera

Is it possible use a Sony DCR-TRV33 Digital camcorder (new product) with Labview and IMAQ driver?
link: http://www.sonystyle.com/is-bin/INTERSHOP.enfinity/eCS/Store/en/-/USD/SY_DisplayProductInformation-Start;sid=O4wBNalZKM0BQZc08S8LPuZXzYU9CfK8bpk=?ProductID=eXAKC0%2eNUwAAAADzQ65E%2eteI

Bruce Ammons wrote in message news:<[email protected]>...
> The Sony video cameras will not work with the IMAQ for IEEE-1394
> drivers. The format that the video camera sends is compressed and is
> not compatible.
>
> You might have luck with some other methods, though. I think Irene
> He's IVision toolkit provides a method for video input from devices
> such as internet cams or video cameras using VFW. There are one or
> two other methods out there, also. I haven't needed to use a Sony
> camera, so I haven't tested any of these.
>
> Bruce
I just got it working with DV camcorder today. But I haven't update my
website. I need to do a final test over this weekend. On next Monday I
will post an update in m
y website. So far I've tested on Cannon ZR45MC
DV camcorder and it worked fine. I can capture the live video or tape
from the camcorder through firewire and sample the image data out of
it. And was able to remote control the recording action.
Irene
www.geocities.com/irene_he

NI-IMAQ for IEEE 1394 cameras under LabVIEW 6.1

I just purchased this driver for Firewire cameras and got the latest version 2.0 that seems to only work for LV 7 and higher. Which version works for LV 6.1 and where can I get it? (Older versions of these drivers don't seem to be available under the driver pages at ni.com in the usual place.) I suppose i need to "downgrade" now. Any insights?

Hello bernhardschnurr,
Thank you for using our discussion forums. You will have to use NI-IMAQ for IEEE 1394 cameras ver 1.5.3 or earlier for support for LabVIEW 6.1. These drivers are not available for download on our website. I would recommend contacting your local NI support and they can help you get these drivers. Please visit http://www.ni.com/support/ and choose to phone NI.
Regards,
Nipun M
Applications Engineer
National Instruments

Resource Allocation for IEEE 1394 (Firewire) Cameras in Triggered Mode

In this article:
Resource Allocation for IEEE 1394 (Firewire) Cameras in Triggered Mode
http://digital.ni.com/public.nsf/allkb/ED092614FCCC900D86256D8D004A3B0C
it says "The Bytes Per Packet value represents the number of bytes that are transmitted at consistent 125us intervals on the FireWire bus during image acquisition" and the reciprocal of the 125us value would seem to be the source of a value of 8000 in a subsequent formula used to calculate the frames per second.
Is this 125us value independent from the firewire bus speed or a function of it?
If it is a function of bus speed, how does it vary with speed?
(Is the 125us value for 400Mbps and 250us for 200Mbps?)
Thanks!

Hello Warren
Thank you very much for getting in touch with us. Although the Firewire standard itself is not technically supported by National Instruments, I will do my best to assist you. I am currently referencing the IEEE 1394 documentation. From what I'm reading, I do not believe the 125 microsecond value changes. I have copied and pasted the paragraph of interest under Bus Arbitration from a document that I referenced:
The arbitration mechanism gets more complicated when isochronous devices are connected on the bus, because those devices have already been guaranteed bandwidth. Each arbitration round is approximately 125μs long, so bandwidth is allocated as a portion of the 125μs interval. The root node broadcasts (sends a message to node 63, the broadcast address) a cycle start packet, which begins the arbitration round. All interested nodes send an arbitration request as before, and the winning node is still the node closest to the root. After .04μs of bus idle time, the remaining nodes arbitrate for control of the bus. Once each isochronous node has completed its transaction the time remaining in the 125μs interval is used for asynchronous transactions. Up to 80% of the bus bandwidth may be allocated to isochronous transactions and the remaining 20% is left available for asynchronous transactions.
The original document can be found here:
The FireWire Serial Bus and its Implementation
I, unfortunately, cannot claim to be an expert on the IEEE 1394 standard but from what I've researched, the 125 microsecond time allocation is standard and bandwidth is then allocated accordingly. I may recommend consulting IEEE 1394 Trade Association (http://www.1394ta.org/about/Contact.html) for more in depth information. Please let me know if this is sufficient or if I can be of further assistance. I will do everything I can to ensure that your issues is resolved.
Have a great day!
Sincerely,
Greg S.

Dummy DV (IEEE 1394) grabber for Mac OS?

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