Video intermittently not going to Firewire DV output -- crashes too!

I have 2 very annoying issues with video in Logic. Video goes through firewire to a Canopus ADVP 300.
There's a 50/50 chance that on opening a session that the video will not show up on the screen but rather in the little video preview window on the upper left of the Arrange window. It requires double-clicking on the picture to send it out to the firewire. The video is saved and screenset-locked with the video going out the firewire. It's annoying!! Does anyone know what's going on??
Also, there are occasional crashes which seem to be due to video, judging by this:
Thread 0 Crashed:
0 com.apple.QD 0x9171ffa5 RGBForeColor + 57
1 com.apple.QuickTime 0x9434e0ea TaskMovie_priv + 2355
2 ...ickTimeComponents.component 0x98bfa6b7 doIdleMovie + 242
3 ...ickTimeComponents.component 0x98c08d88 internalDoAction + 2622
4 ...ickTimeComponents.component 0x98bfa536 _MCIdle + 41
5 ...ple.CoreServices.CarbonCore 0x90cd0b1b CallComponentFunctionCommon + 513
6 ...ickTimeComponents.component 0x98bf5a0f _MCComponentDispatch + 118
7 ...ple.CoreServices.CarbonCore 0x90cd0800 CallComponentDispatch + 34
8 com.apple.QuickTime 0x944378e6 MCIdle + 37
9 com.apple.QuickTime 0x944360f7 QTOMovieObject::SendCommand(unsigned long, void const*) + 313
10 com.apple.QuickTime 0x9433969c DispatchQTMsg(void const*, unsigned long, unsigned long, unsigned long, QTOGenericObject*) + 530
11 com.apple.QuickTime 0x943393bf QTObjectTokenPriv::SendMessageToObject(QTMessagePriv*, unsigned long) + 183
12 com.apple.QuickTime 0x943388cd QTObjectTokenPriv::DispatchMessage(QTMessagePriv*, void const*, __CFAllocator const*, unsigned long, unsigned long, ComponentMsgParam*, unsigned long, unsigned long) + 1321
13 com.apple.QuickTime 0x94435fb6 QTSendToObject + 98
14 com.apple.QTKit 0x9044cdab QTObjectTokenExecuteCommand + 82
15 com.apple.QTKit 0x9044c941 -[QTMovie idle] + 187
Any ideas about that?

You're not losing firewire control when you switch over, you are losing the video playback. Even if you were viewing your canvas on your desktop you would still go back to a ragular screen when you switch apps. You would probably have to monkey with your external monitor to adjust how it responds to a lack of signal.

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Canon Gl2 Video Camera Not Recognized with Firewire 800 Connection

I have a late 2010 mac with 2.93 Ghz Intel Core i7 Processor with 12GB DDR3 running 10.8.2 OSX. I have a Canon GL2 video camcorder with a MiniDV tape I am trying to download to my computer. I am using a new 4pin to 9pin Rocketfish Firewire 800 cable. My computer is not recognizing the firewire input from the GL2. As suggested with other support threads, I have tried to turn the mac and computer off and on, as well as check to see if the cable is working. I have also tried both a trial version of Final Cut, and Imovie 09 which is loaded on my Mac, neither of which will recognize the camera. I clicked on the System Information icon and looked at the Firewire 800 status which was:
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I believe that in order to be recognized, you have to start the process from within iMovie of Final Cut; as for your FW port, you can try these two different troubleshooting steps (may or may not work, but won't hurt):
Reset SMC:
http://support.apple.com/kb/HT3964
PRAM:
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It may that your FW port is defective; it that turns out to be the problem, I hope you purchased Applecare because those ports are an integral part of the logic board, so that would have to be replaced ($$$).
Since your footage is on DV tapes, you do need the FW to transfer it or it will not work. One other (involved) way would be to transfer your footage to a DVD if you have a DVD recorder and then get it on the Mac from there.

Video Camera not detected through Firewire

I've been having trouble connecting my video camera to my computer for importing video into Final Cut.
After some deduction, my main conclusion/concern is that when I hook up my Canon minidv camera to the computer via firewire 400, it fails to show up in the system profiler under hardware>firewire.
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LabVIEW 6.1 If For Loop count terminal is zero then value going through the loop is not passed on to the output of the loop

Hello, one of our customers just encountered an execution error in a vi running under LabVIEW 6.1, which doesn't exist under LabVIEW 5.1 or 6.01. I have a simple vi that has two encapsulated For Loops. Two string arrays go in, one goes out of the outer loop. Inside the outer loop the first array is indexed. The string which results from this indexing is compared with all other strings from the second string array in the inner loop. If it matches one of the strings of the second array, it is not outputted, otherwise this string goes through the inner For Loop to the output of the inner loop and from there to the output of the outer loop. The count
terminal of the outer/inner loop is connected to the Array Size of the first/second string array. If the second array is empty, that means that the element in test from the first arry cannot match anything from the second array, so the element in test is send to the output of the inner loop and from there to the output of the outer loop. This works fine in LabVIEW 5.1 and 6.01, but NOT in LabVIEW 6.1. In LabVIEW 6.1 the inner loop is never executed if the count value is zero (which is correct), but the data line running through the loop is not executed either, which is different to what LabVIEW 5.1 and 6.01 do. There, the input string is sent to the output of the inner loop correctly even if the loop counter is zero. The solution is easy - I just have to connect the output of the outer loop to the data line BEFORE it enters the inner loop. But: I don't know if this is a LabVIEW 6.1 bug or if it is supposed to be a feature, but it brings some incompatibility in programming between the
different LabVIEW versions.
Best regards,
Gabsi

Hi,
When a for-loop runs zero times, all outputs are 'undefined' (and should
be).
Besides, how would LV know what the output of a not executed routine should
be?
It might be handled differently in LV5 and LV6, which is unfortunate. In
both cases, the result is undefined.
It's not a bug. It's just something that should be avoided in any LV
version.
> The solution is easy - I just have to connect the
> output of the outer loop to the data line BEFORE it enters the inner
> loop. But: I don't know if this is a LabVIEW 6.1 bug or if it is
In some cases this does the trick. But if the data is changed in the inner
loop, this will effect the results if the N is not zero.
Technically, I think the output in this construction is also 'undefined'.
But LV handles this as expected / desired.
Another solution is to use a shift register. If N is zero, the input is
directly passed through to the output.
Regards,
Wiebe.
"Gabs" wrote in message
news:[email protected]...
> LabVIEW 6.1 If For Loop count terminal is zero then value going
> through the loop is not passed on to the output of the loop
>
> Hello, one of our customers just encountered an execution error in a
> vi running under LabVIEW 6.1, which doesn't exist under LabVIEW 5.1 or
> 6.01. I have a simple vi that has two encapsulated For Loops. Two
> string arrays go in, one goes out of the outer loop. Inside the outer
> loop the first array is indexed. The string which results from this
> indexing is compared with all other strings from the second string
> array in the inner loop. If it matches one of the strings of the
> second array, it is not outputted, otherwise this string goes through
> the inner For Loop to the output of the inner loop and from there to
> the output of the outer loop. The count terminal of the outer/inner
> loop is connected to the Array Size of the first/second string array.
> If the second array is empty, that means that the element in test from
> the first arry cannot match anything from the second array, so the
> element in test is send to the output of the inner loop and from there
> to the output of the outer loop. This works fine in LabVIEW 5.1 and
> 6.01, but NOT in LabVIEW 6.1. In LabVIEW 6.1 the inner loop is never
> executed if the count value is zero (which is correct), but the data
> line running through the loop is not executed either, which is
> different to what LabVIEW 5.1 and 6.01 do. There, the input string is
> sent to the output of the inner loop correctly even if the loop
> counter is zero. The solution is easy - I just have to connect the
> output of the outer loop to the data line BEFORE it enters the inner
> loop. But: I don't know if this is a LabVIEW 6.1 bug or if it is
> supposed to be a feature, but it brings some incompatibility in
> programming between the different LabVIEW versions.
> Best regards,
> Gabsi

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On some PCs this setting for the video pic is so high that the audio will drop out completely.
The cure is to bring the PC preview to the front (tabs)
Then click on the small icon that appears to the right and adjusting the slider that appears to the left.
This will incease the frame rate and bit rate from the PC. It makes the video look smoother although the actual quality has gone down (you may not be able to judge this quality difference by eye)
As general rule you will get about 2/3rds of the normal Mac to Mac framerate shown in the Connection Doctor. It also seems to take about 50% more Connection speed to get the same quality video.
So Mac to Mac min is 100Kbps where as Mac to PC will need about 150kbps.
The quality drop from 15 frames a sec to 10 frames a sec does make the video generally more blocky but does also depend a fair bit on the processor power of the PC and the camera used.
I know that sounds a little vague but there are really many variables that can be a factor.
11:23 PM Monday; April 24, 2006

Firewire DV output disconnects when I pop over to other programs

I am brand new to the Mac and brand new to Final Cut Studio, just bought both of them this month. I do After Effects animation and edit the animations with clients in the room, I've been using Premiere on a Windows laptop for years, and I've been told my workflow would benefit if I tried working on a Mac. Now that I'm on a MacBook Pro with Final Cut I've run into an issue.
Final Cut Pro 5.1.3 seems to be working fine, I'm editing DV video on my 2.33ghz Core2duo 15" MacBook Pro through Firewire to an ADVC DAC-100 analog/digital converter box, out S-Video to a 32" TV for the clients. However, once I pop over to another program, say Photoshop, After Effects, or the Finder, Final Cut's firewire connection is lost, and the TV turns purple, the default DAC-100 behavior when there is no firewire input. (It turns blue when I use my Canon ZR40 instead of the DAC-100.) Once I pop back over to Final Cut Pro, the firewire connection is re-established and my animations are back on the TV. I use several programs in conjunction with the video editor, and I need the firewire connection to remain on so the TV doesn't turn purple every time I jump back into After Effects, Photoshop, etc.
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I called phone support again and they told me that if I had a Mac Pro I would have more options, but with a laptop my "special workflow" is not very well supported, unless I stay in Final Cut Pro and not switch programs over to Photoshop or anything else.
Here is why I feel like I am in the twilight zone: Premiere 6.5 in Windows automatically keeps firewire connection when I pop over to After Effects. Premiere Pro 2.0's default behavior is to lose firewire connection when switching to another program, but I simply unchecked the "Disable video output when Premiere Pro is in the background" checkbox to keep the connection when switching programs. Premiere has been able to do this for years, I have a VERY hard time believing that Final Cut Pro, which is regarded as the BEST video editing program, cannot maintain firewire output unless it is the "in focus" application. I have been through all the preferences, I can't find anything to alter this behavior.
If I cannot solve this problem with Final Cut Pro, I will need to find a DV/analog firewire box that defaults to BLACK instead of purple when firewire gets disconnected. Please let me know if anyone can tell me the solution to this, I have a VERY hard time believing that editing video on a MacBook Pro while monitoring on a TV through firewire is only supported if I don't pop over to any other programs.
Thanks in advance for the help, I am already $5,000 into this experiment of trying to do my animation work on a Mac and I will not be happy if I can't get things to work.
- Bob Wilson
MacBook Pro 2.33ghz Core 2 Duo 15" Mac OS X (10.4.8) 3 gigs ram, 160 gig HD

You're not losing firewire control when you switch over, you are losing the video playback. Even if you were viewing your canvas on your desktop you would still go back to a ragular screen when you switch apps. You would probably have to monkey with your external monitor to adjust how it responds to a lack of signal.

Video intermittently not going to Firewire DV output -- crashes too!

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