Re: VideoGrabber: dropping last second of sound

[Ben Rubinstein]

Thanks Stephen.

Your suggestion is indeed what we expect we'll have to implement - but before 
I report this in RQCC, and before I roll out that fix, I'd be interested to 
know if anyone else has encountered this.


Your response suggests that there is a known issue with the VG not flushing 
the audio buffer on close, is that correct?  Is there an RQCC number for this? 
 (I've looked through without spotting anything, but I might have missed it.) 
 If this is known, is there lore about the factors - why it's intermittent? 
You mentioned on close, is that on revStopRecordingVideo, or on 
revCloseVideoGrabber - if I could stop the recording on time, but let the VG 
keep rolling longer, that would provide a neater solution.


TIA,

Ben


On 22/10/2010 20:52, stephen barncard wrote:

yes, I'm guessing that it's not flushing the audio buffer on close. Another
coding error that's been there for ages.

I'd suggest that your stop sequence include some kind of delay before
actually stopping the recording, so the talent stops speaking earlier than
the actual time it stops, and it should all work out. *Send in time* would
work well for this...

Colin, check out videograbber, it's fairly useful for some limited video
chores. It's inside every installation (in the mac package
Contents:Tools:Resources:Sample Projects: folder as Video Capture.rev)  --
they actually fixed most of it in the last updates.

On 22 October 2010 10:44, Ben Rubinstein  wrote:


We've used LiveCode to create an unattended system in a public environment
which is recording several hundred short video clips a day.  The clips are
variable length - controlled by the person who is recording a message -
typically 10-30 second each.

In a small number of cases, the last second of audio is lost.  The actual
sound track is shorter than the video track; and in the very small sample of
cases I've so far being able to inspect (2 clips) it was almost exactly 1
second shorter.

Has anyone else encountered this or a similar problem?

TIA,

Ben

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Re: VideoGrabber: dropping last second of sound

[Ben Rubinstein]

On 22/10/2010 18:53, Colin Holgate wrote:

I have no idea what VideoGrabber is, but the symptoms suggest that some frames 
were skipped, and yet the stored frames were kept at a regular frame rate. 
Would be interesting to video grab a running clock. Then you could test my 
theory.


VideoGrabber is an external on Mac and Windows for er... grabbing video and 
audio.  See Video category on Dictionary.


I don't think frames were skipped, the sync is reasonable, it's just that the 
sound runs out before the video does.


We did a lot of tests with a running clock before we started - but it had a 
very quiet tick and we weren't paying attention!   More to the point, this is 
very intermittent - we've seen a handful out of about 2,000 clips.  Mind you, 
we haven't necessary reviewed every clip to the end.


Ben

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Re: VideoGrabber: dropping last second of sound

[stephen barncard]

yes, I'm guessing that it's not flushing the audio buffer on close. Another
coding error that's been there for ages.

I'd suggest that your stop sequence include some kind of delay before
actually stopping the recording, so the talent stops speaking earlier than
the actual time it stops, and it should all work out. *Send in time* would
work well for this...

Colin, check out videograbber, it's fairly useful for some limited video
chores. It's inside every installation (in the mac package
Contents:Tools:Resources:Sample Projects: folder as Video Capture.rev)  --
they actually fixed most of it in the last updates.

On 22 October 2010 10:44, Ben Rubinstein  wrote:

> We've used LiveCode to create an unattended system in a public environment
> which is recording several hundred short video clips a day.  The clips are
> variable length - controlled by the person who is recording a message -
> typically 10-30 second each.
>
> In a small number of cases, the last second of audio is lost.  The actual
> sound track is shorter than the video track; and in the very small sample of
> cases I've so far being able to inspect (2 clips) it was almost exactly 1
> second shorter.
>
> Has anyone else encountered this or a similar problem?
>
> TIA,
>
> Ben
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-- 



Stephen Barncard
San Francisco Ca. USA

more about sqb  
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Re: VideoGrabber: dropping last second of sound

[Colin Holgate]

I have no idea what VideoGrabber is, but the symptoms suggest that some frames 
were skipped, and yet the stored frames were kept at a regular frame rate. 
Would be interesting to video grab a running clock. Then you could test my 
theory.



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Re: VideoGrabber on Windows

[Richard Miller]

Do not use VFW. The DirectX setting is not documented. Try to follow the 
code I sent. Disable "use video for windows".


All of my video work with Rev is QT based.

Let me know.

Richard





On 3/22/2010 11:46 AM, Klaus on-rev wrote:

Hi Richard,

   

Klaus,

Initialize the videograbber with this line:
   revInitializeVideoGrabber short name of this stack,"DirectX",rect of image 1
 

is this "DirectX" the same as "VfW"?

   

Use this basic sequence to record video and audio:

  revSetVideoGrabSettings "myvar"
 

Getting/setting the videosettings did not work for us with "VfW" at all.
The variable was always empty!

   

  revSetVideoGrabAudio true,"1","16","16000"
 

Does this still work?
I have been searching this in the docs for at least the last three versions of 
Rev! :-/

   

  revRecordVideo myfile
Don't use the newest videograbber.dll. I've found it does not allow access to 
the Compression dialog box. Use an older version. I can make it available if 
necessary. I reported this bug some time ago, but have not received a response 
from the engineers.
Use the new DivX (www.divx.com) codec for best results.
 

See below, we need QuickTime for everything, since we are developing a 
crossplatform tool
which has to work out of the box.

   

Let me know how that goes. The above works well for me under Windows 7.
 

Basically it all works for us, but we need the user let record video in DV 
format, so we
can compress them with Trevors wonderful QT external.

Thanks anyway! :-)

   

Richard
 

Best

Klaus

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http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[Klaus on-rev]

Hi Richard,

> Klaus,
> 
> Initialize the videograbber with this line:
>   revInitializeVideoGrabber short name of this stack,"DirectX",rect of image 1

is this "DirectX" the same as "VfW"?

> Use this basic sequence to record video and audio:
> 
>  revSetVideoGrabSettings "myvar"

Getting/setting the videosettings did not work for us with "VfW" at all.
The variable was always empty!

>  revSetVideoGrabAudio true,"1","16","16000"

Does this still work?
I have been searching this in the docs for at least the last three versions of 
Rev! :-/

>  revRecordVideo myfile
> Don't use the newest videograbber.dll. I've found it does not allow access to 
> the Compression dialog box. Use an older version. I can make it available if 
> necessary. I reported this bug some time ago, but have not received a 
> response from the engineers.
> Use the new DivX (www.divx.com) codec for best results.

See below, we need QuickTime for everything, since we are developing a 
crossplatform tool
which has to work out of the box.

> Let me know how that goes. The above works well for me under Windows 7.

Basically it all works for us, but we need the user let record video in DV 
format, so we
can compress them with Trevors wonderful QT external.

Thanks anyway! :-)

> Richard

Best

Klaus

--
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http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[Richard Miller]

Klaus,

Initialize the videograbber with this line:

   revInitializeVideoGrabber short name of this stack,"DirectX",rect of 
image 1


Use this basic sequence to record video and audio:

  revSetVideoGrabSettings "myvar"
  revSetVideoGrabAudio true,"1","16","16000"
  revRecordVideo myfile

Don't use the newest videograbber.dll. I've found it does not allow 
access to the Compression dialog box. Use an older version. I can make 
it available if necessary. I reported this bug some time ago, but have 
not received a response from the engineers.


Use the new DivX (www.divx.com) codec for best results.

Let me know how that goes. The above works well for me under Windows 7.

Richard



On 3/22/2010 11:09 AM, Klaus on-rev wrote:

Hi Richard,

   

Hi Klaus,

Is this topic still of interest to you? I've been working a lot with the 
videograbber on Windows.
 

yes, sure!

We had the chance to test VideoGrabber on Win7 and there is absolutely no way 
to use it with QuickTime.
Works with VfW but that does not support any "standard" VideoCodecs like DV*, 
what we need in our project.

*Out of the box!

   

Richard Miller

On 1/6/2010 12:25 PM, Klaus Major wrote:
 

Hi friends,
no other win user that work with the RevVideoGrabber
and wants to share her/his experiences?
Oh, c'mon folks! :-)
   

Best

Klaus

--
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http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[Klaus on-rev]

Hi Richard,

> Hi Klaus,
> 
> Is this topic still of interest to you? I've been working a lot with the 
> videograbber on Windows.

yes, sure!

We had the chance to test VideoGrabber on Win7 and there is absolutely no way 
to use it with QuickTime. 
Works with VfW but that does not support any "standard" VideoCodecs like DV*, 
what we need in our project.

*Out of the box!

> Richard Miller
> 
> On 1/6/2010 12:25 PM, Klaus Major wrote:
>> Hi friends,
>> no other win user that work with the RevVideoGrabber
>> and wants to share her/his experiences?
>> Oh, c'mon folks! :-)

Best

Klaus

--
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http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[Richard Miller]

Hi Klaus,

Is this topic still of interest to you? I've been working a lot with the 
videograbber on Windows.


Richard Miller



On 1/6/2010 12:25 PM, Klaus Major wrote:

Hi friends,

no other win user that work with the RevVideoGrabber
and wants to share her/his experiences?

Oh, c'mon folks! :-)


Best

Klaus

--
Klaus Major
http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[Klaus Major]

Hi friends,

no other win user that work with the RevVideoGrabber
and wants to share her/his experiences?

Oh, c'mon folks! :-)


Best

Klaus

--
Klaus Major
http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[Klaus Major]

Buongiorno Paolo,

> Klaus Major writes:
> 
>> Believe it or not, its official:
>> The videograbber is also supposed to work in Revlets
>> Isn't this amazing? Anyone dared this yet? :-D
> 
> Hello Klaus,
> where did you get this piece of information?
> I had a look at runrev.com web site but I could not find it.

You can see the "revvideograbber.bundle" inside of the "RevWebPlayer.app"
On OS X you can find it here:
../Library/Application Support/RunRev/revwebplayer/

And Kevin Miller mentioned it a couple of weeks before when the first version 
of the
plugin was published.

> Do you know if the issue about audio compression in video grabber has been 
> solved?

Nothing has been solved concerning the VideoGrabber unfortunately!

> Referring to RQCC it is still unconfirmed. See..
> http://quality.runrev.com/qacenter/show_bug.cgi?id=3712
> Command RevSetVideoGrabAudio does not work in MacOSX.

I know, I reported a lot of bugs concerning the videograbber external

> It is not possible to set compression of the audio   and files recorded using
> the Video Capture stack are too big.

Yep, one can alos not switch audio recording off, if you only wnat the video.

> I tryed to set recording audio using  command:
> RevSetVideoGrabAudio true, "1", "8", "11025"
> What I get, regardless of any setting,  is a big file with audio set to:
> 16-bit Intero (Endian grande), Mono, 48,000  kHz
> I think this  is a bug of the revvideograbber external for MacOSx

See above, obviously the mothership has other priorities (gradients, display of 
CMYK jpegs etc...)

> Best regards
> 
> Paolo Mazza

Ciao amico

Klaus

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http://www.major-k.de
kl...@major.on-rev.com

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Re: VideoGrabber on Windows

[paolo]

 Klaus Major writes:


Believe it or not, its official:
The videograbber is also supposed to work in Revlets
Isn't this amazing? Anyone dared this yet? :-D




Hello Klaus,
where did you get this piece of information?
I had a look at runrev.com web site but I could not find it.

Do you know if the issue about audio compression in video grabber has  
been solved?


Referring to RQCC it is still unconfirmed. See..

http://quality.runrev.com/qacenter/show_bug.cgi?id=3712

Command RevSetVideoGrabAudio does not work in MacOSX.

It is not possible to set compression of the audio   and files  
recorded using

the Video Capture stack are too big.

I tryed to set recording audio using  command:

RevSetVideoGrabAudio true, "1", "8", "11025"

What I get, regardless of any setting,  is a big file with audio set to:

16-bit Intero (Endian grande), Mono, 48,000  kHz

I think this  is a bug of the revvideograbber external for MacOSx

Best regards

Paolo Mazza
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Re: videograbber sound encoding preferences

[Richard Miller]

DirectX


On Apr 26, 2006, at 4:32 PM, Trevor DeVore wrote:


On Apr 26, 2006, at 1:27 PM, Richard Miller wrote:

I am currently working with the video functions under XP. Can't  
say for sure what works under OSX. This does work under XP (using  
the latest Rev Windows file, revVideGrabber.dll).


RevSetVideoGrabCompressor "Morgan MJPEG Compressor"
RevSetVideoFrameRate "30"
RevSetVideoGrabAudio true, "1","8","11025"
revRecordVideo movfile

This series of commands (which uses the Morgan codec) gives me  
very high-quality compressed video (under 1000 kbits/second frame  
rate, 30 frames per second). When I check the resulting .avi file  
in Apple's Quicktime Player and go to MOVIE INFO, it shows "8-bit  
Unsigned Integer, Mono, 11.025 kHz".


Sorry it took so long to get back to you. Been traveling.


Are you using DirectX or QuickTime for capture?

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Blue Mango Learning Systems - www.bluemangolearning.com
[EMAIL PROTECTED]


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Re: videograbber sound encoding preferences

[Trevor DeVore]

On Apr 26, 2006, at 1:27 PM, Richard Miller wrote:

I am currently working with the video functions under XP. Can't say  
for sure what works under OSX. This does work under XP (using the  
latest Rev Windows file, revVideGrabber.dll).


RevSetVideoGrabCompressor "Morgan MJPEG Compressor"
RevSetVideoFrameRate "30"
RevSetVideoGrabAudio true, "1","8","11025"
revRecordVideo movfile

This series of commands (which uses the Morgan codec) gives me very  
high-quality compressed video (under 1000 kbits/second frame rate,  
30 frames per second). When I check the resulting .avi file in  
Apple's Quicktime Player and go to MOVIE INFO, it shows "8-bit  
Unsigned Integer, Mono, 11.025 kHz".


Sorry it took so long to get back to you. Been traveling.


Are you using DirectX or QuickTime for capture?

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Blue Mango Learning Systems - www.bluemangolearning.com
[EMAIL PROTECTED]


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Re: videograbber sound encoding preferences

[Richard Miller]

Trevor,

I am currently working with the video functions under XP. Can't say  
for sure what works under OSX. This does work under XP (using the  
latest Rev Windows file, revVideGrabber.dll).


RevSetVideoGrabCompressor "Morgan MJPEG Compressor"
RevSetVideoFrameRate "30"
RevSetVideoGrabAudio true, "1","8","11025"
revRecordVideo movfile

This series of commands (which uses the Morgan codec) gives me very  
high-quality compressed video (under 1000 kbits/second frame rate, 30  
frames per second). When I check the resulting .avi file in Apple's  
Quicktime Player and go to MOVIE INFO, it shows "8-bit Unsigned  
Integer, Mono, 11.025 kHz".


Sorry it took so long to get back to you. Been traveling.

Richard Miller
Imprinter Technologies




On Apr 18, 2006, at 10:04 AM, Trevor DeVore wrote:


On Apr 18, 2006, at 3:42 AM, paolo mazza wrote:


Hi Richard and Trevor
I tryed

RevSetVideoGrabAudio

 on MACOSX  ... it looks like it does not work.
It is a pity because all other feautures of the video capture  
stack  (from
 tutorials) work grate but unfortunately the size of the files are  
very

big (i guess because of the uncompressed Audio track)


RevSetVideoGrabAudio doesn't actually do anything yet, at least for  
QuickTime capture.  Richard, have you confirmed that it actually  
changes the captured audio settings using the DirectX or VFW?


--
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Blue Mango Learning Systems - http://www.bluemangolearning.com
[EMAIL PROTECTED]


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Re: videograbber sound encoding preferences

[Trevor DeVore]

On Apr 18, 2006, at 3:42 AM, paolo mazza wrote:


Hi Richard and Trevor
I tryed

RevSetVideoGrabAudio

 on MACOSX  ... it looks like it does not work.
It is a pity because all other feautures of the video capture  
stack  (from
 tutorials) work grate but unfortunately the size of the files are  
very

big (i guess because of the uncompressed Audio track)


RevSetVideoGrabAudio doesn't actually do anything yet, at least for  
QuickTime capture.  Richard, have you confirmed that it actually  
changes the captured audio settings using the DirectX or VFW?


--
Trevor DeVore
Blue Mango Learning Systems - http://www.bluemangolearning.com
[EMAIL PROTECTED]


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Re: videograbber sound encoding preferences

[paolo mazza]

Hi Richard and Trevor
I tryed 
>RevSetVideoGrabAudio
 on MACOSX  ... it looks like it does not work.
It is a pity because all other feautures of the video capture stack  (from
 tutorials) work grate but unfortunately the size of the files are very
big (i guess because of the uncompressed Audio track)



How to use Revolution  su domenica 16
aprile 2006 alle 12.37 +0100 ha scritto:
>
>RevSetVideoGrabAudio true, audiochannels, audiobits, audiofrequeny
>
>audiochannels = 1 or 2
>audiobits = 8 or 16
>audiofrequency = 11025, 22050 or 44100
>
>I tend to use:
>
>RevSetVideoGrabAudio true, "1", "8", "11025"



Paolo Mazza
NEOL SRL
Via Calatafimi, 16 - 35137 PADOVA 
www.neol.it   [EMAIL PROTECTED]
Tel 049-7386590

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Re: videograbber sound encoding preferences

[Richard Miller]

Paolo,

Try the following command just before starting to record:

RevSetVideoGrabAudio true, audiochannels, audiobits, audiofrequeny

audiochannels = 1 or 2
audiobits = 8 or 16
audiofrequency = 11025, 22050 or 44100

I tend to use:

RevSetVideoGrabAudio true, "1", "8", "11025"

Hope that helps.
Richard Miller
Imprinter Technologies


On Apr 14, 2006, at 9:51 AM, paolo mazza wrote:


Hi Pierre, some months ago you wrote in the list:

Under the Tiger platform and in using QT7 and an iSight cam as video
input, are they some ones, here, whose went successifull with setting
up the videograbber sound encoding preferences ? I just could set the
video encoding prefs to 3ivxD4 in using the  command but could'nt find the (undocumented ?) one to use
to avoid to have to record the sound in the default uncompressed
format (16-bit Entier (Gros Boutien), Mono, 48,000 Khz).

Did you find a solution for recording sound?

Ciao

Paolo


Paolo Mazza
NEOL SRL
Via Calatafimi, 16 - 35137 PADOVA
www.neol.it   [EMAIL PROTECTED]
Tel 049-7386590

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Re: videograbber sound encoding preferences

[Trevor DeVore]

On Apr 14, 2006, at 6:51 AM, paolo mazza wrote:


Hi Pierre, some months ago you wrote in the list:

Under the Tiger platform and in using QT7 and an iSight cam as video
input, are they some ones, here, whose went successifull with setting
up the videograbber sound encoding preferences ? I just could set the
video encoding prefs to 3ivxD4 in using the  command but could'nt find the (undocumented ?) one to use
to avoid to have to record the sound in the default uncompressed
format (16-bit Entier (Gros Boutien), Mono, 48,000 Khz).

Did you find a solution for recording sound?


Paolo,

There is no way to configure the sound compression settings in the  
current version of revolution video grabber external.


--
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Blue Mango Learning Systems - http://www.bluemangolearning.com
[EMAIL PROTECTED]


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Re: VideoGrabber on Windows XP

[Pierre Sahores]

Hello Eric,

It will not be very difficult to find what about to speak, tomorrow ;-)

See you at 12:30...

Kind Regards, Pierre


Hi Vjstbenz,

Le 26 mai 05 à 18:18, [EMAIL PROTECTED] a écrit :

not a single letter of computer code is ever seen...for making 
windows computer software

these 'all visual rad tools' are extremely rare...but superb...


I am afraid that many people on this list like coding :-)
That gives them freedom to exactly (try to) release what they have in 
mind.

And not only what graphical RAD just allow to.
Programming is much more than a linking process: it's a full creative 
action that involves you as a whole.

Would you try it?
Nothing could be more welcome: you are just in the right place :-)

Best regards from Paris,

Eric Chatonet.

So Smart Software

For institutions, companies and associations
Built-to-order applications: management, multimedia, internet, etc.
Windows, Mac OS and Linux... With the French touch

Plugins, tutorials and more on our website

Web sitehttp://www.sosmartsoftware.com/
Email[EMAIL PROTECTED]/
Phone33 (0)1 43 31 77 62
Mobile33 (0)6 20 74 50 86


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Re: VideoGrabber on Windows XP

[Eric Chatonet]

Hi Vjstbenz,

Le 26 mai 05 à 18:18, [EMAIL PROTECTED] a écrit :

not a single letter of computer code is ever seen...for making  
windows computer software

these 'all visual rad tools' are extremely rare...but superb...


I am afraid that many people on this list like coding :-)
That gives them freedom to exactly (try to) release what they have in  
mind.

And not only what graphical RAD just allow to.
Programming is much more than a linking process: it's a full creative  
action that involves you as a whole.

Would you try it?
Nothing could be more welcome: you are just in the right place :-)

Best regards from Paris,

Eric Chatonet.

So Smart Software

For institutions, companies and associations
Built-to-order applications: management, multimedia, internet, etc.
Windows, Mac OS and Linux... With the French touch

Plugins, tutorials and more on our website

Web sitehttp://www.sosmartsoftware.com/
Email[EMAIL PROTECTED]/
Phone33 (0)1 43 31 77 62
Mobile33 (0)6 20 74 50 86


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Re: VideoGrabber on Windows XP

[Vjstbenz]

Hi James...

yesthat is good advice...it is about the level of programming that you want 
to achieve isn't it...Synopsis allows the level of programming that i 
require...some graphics skillsyou know...nothing complex at all...but 
Synopsis can easily do a moving second hand...of a clock etc...vector sprite 
pixel bitmap graphics...

my prorgamming ideasare not complicated at all...they are simple ideas you 
know...that require a simple tool...like synopsis to get resultsi realise 
that Rev is a ridiculously powerfull toolhundreds of times more powerfull 
than synopsisbut if it is not required...then, as you point out...why 
bother?

bieng able to get to the 10 thousands windows api fucntions and use them in 
synopsisis enough for me...for programming by fari understand how to 
use dll functions...so...

James, i recently found another Visual Only tool..that is about 5 times mroe 
powerfull than Synopsis..and Freethis software is superb...

www.Limnor.com

not a single letter of computer code is ever seen...for making windows computer 
software

these 'all visual rad tools' are extremely rare...but superb...

when you combine the DLL facilities these tools offer...you start  to see that 
complex windows software can be developed with them...

thx

Ben




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Re: VideoGrabber on Windows XP

[James Richards]

Hi Ben,

If Windows is all you want to program for and Synopsis is your 
preferred tool then Revolution may not be the tool for you.  It is a 
very powerful and flexible cross-platform RAD tool and I believe that 
if you are able to stick with it through the frustration belt (which is 
not uncommon among new users) you will find it amply rewards your 
persistence (even for Windows only programming).  This list is 
incredibly friendly and helpful, and there is also loads of pre-made 
stuff to be found on RunRev's website and elsewhere which people are 
willing to share freely.


It can also be very helpful to search the archives of this list here 
http://www.google.com/advanced_search?q=site:lists.runrev.com (which is 
shown at the head of the digest version of the list but I don't know if 
it appears on messages for those who receive them individually).


Searching for 'clock' produced helpful threads in the archive and even 
a couple of complete code examples and downloadable utilities. 
(Although a little persistence may be needed where a location on a 
website has occurred since the information was posted.)


Regards

James
--
James J Richards

jamesjrichards[at]lineone.net

Tel. +44 (0)15394 43063

On 26 May, 2005, at 16:28:43 -0400,  Vjstbenz wrote:


Hello,

thanks for your advice..

yes...i already know how to use dll files ...



some-body pointed out the Windows Unix Mac thing...but it aint an 
issue for mejust need Windowsyou know...


Synopsis is actually very powerfull really




like you say...i may be getting frystrated with...Rev...

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Re: VideoGrabber on Windows XP

[J. Landman Gay]

On 5/25/05 3:00 PM, [EMAIL PROTECTED] wrote:


maybe you can give me a QUIK...example...and explain...

HANDLERSSTACKS ...CARDS...SUB STACKS...HANDLE...etc


Funny you should mention that. We are in the process of explaining all 
that stuff in a live event every two weeks online at our Revolution 
Scripting Conferences. You should come this Saturday, where we will 
learn about all of Revolution's controls and objects. You can also 
download the stacks from previous conferences that explain a lot of what 
you are asking about. We covered most of that in the first two sessions.


Go here:



And show up Saturday. We will know you by YOUR CAPS. :)

--
Jacqueline Landman Gay | [EMAIL PROTECTED]
HyperActive Software   | http://www.hyperactivesw.com
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Re: VideoGrabber on Windows XP

[Vjstbenz]

hello,

thanks for that...will try that script

i appreciate your advice about these lists.

i realise the potential of rev is hugeit's just the learning and reading 
that gets me down...i am not too clever see...

this is why www.codemorphis.com is excellent software for me...with zero 
code

thanks anyway

Ben
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Re: VideoGrabber on Windows XP

[=?ISO-8859-1?Q?Bj=F6rnke_von_Gierke?=]

On May 25 2005, at 22:00, [EMAIL PROTECTED] wrote:


Hello,
...
can you help GENERALLY?


Hi Ben

For general help on programming there is no other way then to learn and 
read a lot!

Read the getting started pages, and the topic head entries.

As for the list, ask a direct question,  like this:
What's the simplest way of making a clock with a hand in runrev?
How to move graphics from one point to another?
How to use a videoplayer?
etc.
And you certainly will receive at least one good example for your query.

Moving graphics can be very simple, put this into a button script:

on mouseUp
  move graphic 1 to 100,100
end mouseUp

don't forget to put a graphic onto your stack too!

Also please stop using capitalised words, its hard to read and annoys 
me :)


greetings from Revland
Bjoernke

--

official ChatRev page:
http://chatrev.cjb.net

Chat with other RunRev developers:
go stack URL "http://homepage.mac.com/bvg/chatrev1.3.rev";

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Re: VideoGrabber on Windows XP

[Vjstbenz]

Hello,

thanks for your advice..

yes...i already KNOW how to use DLL files in SYNOPSIS...it is VERY SIMPLE to 
call functions...pass parameteresetc..also it has a SHELVING system for 
DLL's in memory...so you can have 10 CALLED in one program AT THE SAME 
TIME.this adds to the POWER GREATLY...
the cpu does not ahve to RE-LOAD dll's into memory all the time...

some-body pointed out the WINDOWS UNIX MAC thing...but it aint an issue for 
mejust need WINDOWSyou know...

SYNOPSIS is actually VERY POWERFULL reallybeacuse of waht it achieves..you 
say VIDEO PLAYERS etc..is reading MANUAL STUFF and language..learningbut i 
can tell you...IT IS NOTwith SYNPOSIS...

it has a VIDEO TOOL...and a child can make a clock face with moving graphic 
HANDS...in  no time...with ZERO learning curve...

the DOCUMENTATION with SYNOPSIS...is SECOND TO NON..the BEST i have ever seen 
on any SOFTWARE product ...in 9 YEARS of bieng around computing so...

you can literally LEARN fresh...every time...by reading a few sentences of the 
manual...and you are BACK up and RUNNINGyou don't need to FILL your 
brain...with a LANGUAGE and SYNTAX...

i rate it as a good software tool...for what it achievesbecause OO 
programming is an ATTEMPT at this visual style...but the ABSTACTION with 
SYNOPSIS is right to the TOP LEVELyou know(TOTALLY VISUAL)

when you think about EVERY SINGLE THING in an OO related thinking style...and 
LOGICAL data flow...and CONTROL flow on a SINGLE LINE...you see the power of 
synopsis...

it is a RAD tool...and this s TRUE...it is VERY RAPID to make WINDOWS 
sofwarebut for me...SYNPOSIS is more about HOW it allows you to program 
visually...

it's not HOW DO I MAKE THIS PROGRAM...now...it's WHAT KIND OF SOFTWARE DO I 
FANCY MAKING...with SYNOPSIS

like you say...i may be getting frystrated with...REV...and YES...that is a BAD 
signofcourse things take SOME EFFORT...
but once a certain THRESHOLD is passed...it's hard to go BEYOND...

REV seams like an EXTRENELY POWERFULL VAST programming TOOL...and YES you can 
make software somewhat more simply than VISUAL BASIC

but it's all still CODE...you know...i looked at the VIDEOS about STACKS 
VARIABLES...and OBJECTSetc...and COMMANDS...

but was NON THE WISER, about TRANSCRIPT and how to program it...i did not 
learn what HANDLERS WERE...or ways of using MULTIPLE stacks in a design...or 
ANYTHING at all about GRAPHICS programming

in other words...not much

it needs a PROPER video TUTORIAL...that explains an ENTIRE program...something 
of SUBSTANCE...with several STACKS...and some GRAPHICS PROGRAMMING...(moving 
graphics on screen)...etc...

this video needs to explain all the parts and principles of the Transcript 
language...that ALLOW this program to work...HANDLERS...COMMANDS...how code 
lies behind each OBJECT...etcPROPERTIES...even include a function too

REV does not have this...

EVERY SINGLE usually has some kind of MOVING GRAHICS...clcoks etcCOMPUTER 
PORGRAMMING is almost a waste of time...without doing this...

yet REV does not have any examples of this...just FIELDS and variables and 
buttons...h

i'll continue...with HELP off these lists..

thanks

Ben


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Re: VideoGrabber on Windows XP

[Vjstbenz]

good question...

i dislike LEARNING code languages or syntax...

SYNOPSIS is 300 dollars...so.

alsountil i get VISUAL BASIC to be able to make NATIVE c style DLL 
filesi'm a bit limited

RELSOFT polug in for VBallows VB to make NATIVE dll files...$29


also VB wrapper...allows you to put entire PROJECTS into one exe FILEeven 
RUNTIME DLL file callsmaking a WHOLE vb APPLICATION able to go into ONE 
standalone file

once i get these things above totally working...

me will continue with SYNOPSIS...

REV interested me at firstand it is CROSS PLATFORM...which is usefull

but well100 lines of code to get a SIMPLE CLOCK FACE with a MOVING GRAPHIC 
of the seconds handseams TOO COMPLEX to me...

if REV is suppossed to make things easyit must have it's own DEFINITION of 
easy coding...

THe same CLOCK project can be done in SYNPOSIS with ZERO CODE ever seen...in an 
hour or two...you know...(there is NO language to LEARN...not a single LETTER)

repeated myself

anyhow...thanks

Ben


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Re: VideoGrabber on Windows XP

[Vjstbenz]

Hello,

Very true...about the LISTS...SYNOPSIS does not have LISTS to help you...:---)

you know...YOU sound VERY MUCH like you know what you are talking about

maybe you can give me a QUIK...example...and explain...

HANDLERSSTACKS ...CARDS...SUB STACKS...HANDLE...etc

i understand OPENSTACK is a rev DECLARATION or COMMAND

but WHY do you need these...if CODE goes behind each OBJECT...or button( a 
video player only has ONE window NO?...with a OPEN FILE/PLAY...and STOP button?)

is it to JUMP to a nwe STACK/CARD when a button is clicked?

..REV info says that NO OTHER OBJECTS can APPEAR on the video CARD

you see...it starts to get a bit confusing...i have READ the INTRO to rev 
CAREFULLYbut still do NOT understand HANDLERS..etc...


or how to WRITE Transcript really

is REV an OO language or what?

can you help GENERALLY?

cheers

Ben
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Re: VideoGrabber on Windows XP

[Thomas McGrath III]

Synopsis is a windows application with no Mac or Unix components but 
you may not need them. Maybe you could look at Max 4.5 from Cycling 74 
which also has a graphical aspect to it but is at least available on 
Mac and Windows. Also it is used to control Teleo objects to control 
the outside world via computer commands. It is very good.


Once you reach the limits that either of those programs has you can 
come back to use Revolution for it's full potential. After all if all 
you want to do is build a clock face then why learn any code but if you 
want to use that clock in a program where you have full control over 
how it works instead of just how the program designers think it should 
then you can use Revolution.


But to be honest reading the manual and learning code are not the same 
thing and to include the videoplayer component is a read the manual 
thing that would happen just the same in Synopsis as well as in Max 
4.5. It is not a code issue. In Synopsis in order to use the Windows 
DLLs you will still need to understand the RULES in how to use them and 
when and where.


I'd say you were just getting frustrated with Rev and you should hang 
in there it is not as difficult as it seems. Ask questions here on the 
list. Download sample stacks. See how others have done it. You may just 
find what you need and find you end up loving it.


2 cents

HTH

Tom

On May 25, 2005, at 11:19 AM, [EMAIL PROTECTED] wrote:


hi,

i am TOTALLY new to REVOLUTION...i was trying a similar project...

to make a PROGRAM that plays MPEG video files...

as far as i could see...the VIDEOPLAYER control...can ONLY play 
quiktime


what is revVIDEOPLAYER???

is it a library of FUNCTION COMPONENTS?

i am finding REVOLUTION is a great piece of SOFTWARE...but you need to 
spedn TIME...learning the TRANSCRIPT LANGUAGE...


i do NOT like learning LANGUAGES...or the SYNTAX and RULES regarding 
languages...it is TEDIOUS...


although REVOLUTION has TONNES of POWER under it's hood...you still 
have to LEARN transcriptyou know...


if you look at even a simple PROGRAMlike a CLOCK FACE...you find 
it has nearly 100 lines of CODE...just to make a GRAPHICAL clock TICK 
around the SECONDS


this is TOO MUCH CODE..for such a simple REQUIREMENT...in my opinion...

www.codemorphis.com

this SYNPOSIS software has ZERO code...you never see a single LETTER 
of code...it is just WIRING diagrams.it does VIDEO and things like 
this...GRAPHICS TOO...


you could make a CLOCK FACE in an hour...with SYNPOSIS...with ZERO 
CODE ever seen...


also you can use the windows API library...which holds TEN THOUSAND 
fucntions for windows programming..in DLL files...


i am going to try HARDER with REVOLUTION...but again...it looks like 
CODE CODE CODEto get results...


this is NOT a VISUAL RAD TOOL.whereas SYNOPSIS is totally 
VISUAL...with ZERO CODE...(there is NO language to learn)


cheers

Ben


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Thomas J. McGrath III
SCS
1000 Killarney Dr.
Pittsburgh, PA 15234
412-885-8541

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Re: VideoGrabber on Windows XP

[Scott Rossi]

Hi Vjstbenz:

> i am TOTALLY new to REVOLUTION...i was trying a similar project...
> 
> to make a PROGRAM that plays MPEG video files...
> 
> as far as i could see...the VIDEOPLAYER control...can ONLY play quiktime
> 
> what is revVIDEOPLAYER???

The player object uses whatever multimedia resources are available on the
user's machine, but it is most optimized for QuickTime, and any format that
QT understands.  It is possible to disable the player's reliance on QT, but
playback control will be limited.


> www.codemorphis.com
> 
> this SYNPOSIS software has ZERO code...you never see a single LETTER of
> code...it is just WIRING diagrams.it does VIDEO and things like
> this...GRAPHICS TOO...
> 
> you could make a CLOCK FACE in an hour...with SYNPOSIS...with ZERO CODE ever
> seen...
> 
> also you can use the windows API library...which holds TEN THOUSAND fucntions
> for windows programming..in DLL files...
> 
> i am going to try HARDER with REVOLUTION...but again...it looks like CODE CODE
> CODEto get results...
> 
> this is NOT a VISUAL RAD TOOL.whereas SYNOPSIS is totally VISUAL...with
> ZERO CODE...(there is NO language to learn)

If Synopsis does what you need, why do you want to learn Revolution?

Regards,

Scott Rossi
Creative Director
Tactile Media, Multimedia & Design
-
E: [EMAIL PROTECTED]
W: http://www.tactilemedia.com

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Re: VideoGrabber on Windows XP

[Klaus Major]

Hi Ben,

let me first say that there is absolutely no need to SCREAM :-)


hi,

i am TOTALLY new to REVOLUTION...i was trying a similar project...


welcome to the list.


to make a PROGRAM that plays MPEG video files...
as far as i could see...the VIDEOPLAYER control...can ONLY play  
quiktime


Not necessarily!

If you:

set the dontuseqt to true

in your "preopenstack" or "openstack" handler, Rev will use Video for  
Windows

instead of Quicktime.


what is revVIDEOPLAYER???
is it a library of FUNCTION COMPONENTS?


there is no thing like revVIDEOPLAYER, you mean revVIDEOGRABBER as  
mentined
in earlier posts, which is a DLL (on windows) that lets you capture  
video from within Rev.


i am finding REVOLUTION is a great piece of SOFTWARE...but you need  
to spedn TIME...learning the TRANSCRIPT LANGUAGE...


Yep...

But Transcript is almost like the english language, no complicated  
syntax.


i do NOT like learning LANGUAGES...or the SYNTAX and RULES  
regarding languages...it is TEDIOUS...


well... ;-)

although REVOLUTION has TONNES of POWER under it's hood...you still  
have to LEARN transcriptyou know...


That's true!

if you look at even a simple PROGRAMlike a CLOCK FACE...you  
find it has nearly 100 lines of CODE...just to make a GRAPHICAL  
clock TICK around the SECONDS
this is TOO MUCH CODE..for such a simple REQUIREMENT...in my  
opinion...


www.codemorphis.com

this SYNPOSIS software has ZERO code...you never see a single  
LETTER of code...it is just WIRING diagrams.it does VIDEO and  
things like this...GRAPHICS TOO...
you could make a CLOCK FACE in an hour...with SYNPOSIS...with ZERO  
CODE ever seen...
also you can use the windows API library...which holds TEN THOUSAND  
fucntions for windows programming..in DLL files...


Yes, but that is Windows ONLY!

And Rev will run on the mac, Windows and Linux/Unix, that's why most  
user choose Rev :-)


If you only need to "serve" one platform, OK, there are surely more  
apps that can do so...


i am going to try HARDER with REVOLUTION...but again...it looks  
like CODE CODE CODEto get results...


Yes, sure, but don't be shy, try it, learn it and you will be very  
happy with the results!



this is NOT a VISUAL RAD TOOL


Noone says so ;-)

whereas SYNOPSIS is totally VISUAL...with ZERO CODE...(there is NO  
language to learn)


Sure, but does it have a wonderful and helpful list like this? ;-)


cheers

Ben


Regards

Klaus Major
[EMAIL PROTECTED]
http://www.major-k.de

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Re: VideoGrabber on Windows XP

[Vjstbenz]

hi,

i am TOTALLY new to REVOLUTION...i was trying a similar project...

to make a PROGRAM that plays MPEG video files...

as far as i could see...the VIDEOPLAYER control...can ONLY play quiktime

what is revVIDEOPLAYER???

is it a library of FUNCTION COMPONENTS?

i am finding REVOLUTION is a great piece of SOFTWARE...but you need to spedn 
TIME...learning the TRANSCRIPT LANGUAGE...

i do NOT like learning LANGUAGES...or the SYNTAX and RULES regarding 
languages...it is TEDIOUS...

although REVOLUTION has TONNES of POWER under it's hood...you still have to 
LEARN transcriptyou know...

if you look at even a simple PROGRAMlike a CLOCK FACE...you find it has 
nearly 100 lines of CODE...just to make a GRAPHICAL clock TICK around the 
SECONDS

this is TOO MUCH CODE..for such a simple REQUIREMENT...in my opinion...

www.codemorphis.com

this SYNPOSIS software has ZERO code...you never see a single LETTER of 
code...it is just WIRING diagrams.it does VIDEO and things like 
this...GRAPHICS TOO...

you could make a CLOCK FACE in an hour...with SYNPOSIS...with ZERO CODE ever 
seen...

also you can use the windows API library...which holds TEN THOUSAND fucntions 
for windows programming..in DLL files...

i am going to try HARDER with REVOLUTION...but again...it looks like CODE CODE 
CODEto get results...

this is NOT a VISUAL RAD TOOL.whereas SYNOPSIS is totally VISUAL...with 
ZERO CODE...(there is NO language to learn)

cheers

Ben


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Re: VideoGrabber on Windows XP

[Thierry Arbellot]

If is does, what component should I install to avoid the "cannot load 
video component" error on revInitializeVideoGrabber?




did you install Capture QuickTime component (run QuickTime updater)

Thierry


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Re: VideoGrabber on Windows XP

[Thierry Arbellot]

Hi Frédéric,

Actually, VideoGrabber does work with QT on Windows.
Unfortunately, there are very few capture cards delivered with QT 
driver on Windows.
You can try a software like winVDIG that allows to drive any video 
grabber with QT on Windows

http://www.vdig.com/WinVDIG/index.html
I haven't tested the last release.

Best regards
Thierry

On 2005, May 25, , at 15:17, Frédéric RINALDI wrote:

Does VideoGrabber work with QuickTime on Windows XP, or only with 
Video For Windows?


If is does, what component should I install to avoid the "cannot load 
video component" error on revInitializeVideoGrabber?


Thanks
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Re: VideoGrabber

[Alain Waltregny]

Le 01/07/04 00:44, « Thierry Arbellot » <[EMAIL PROTECTED]> a
écrit :

> Rev only supports VFW video capture, not WDM capture devices, part of
> DirectX/DirectShow.
> 
> So, if you use DV Camcorder connected to firewire, it should not work
> with Rev.
> 
> Thierry.
> 
> 
> On Wednesday, Jun 30, 2004, at 22:55 Europe/Paris, Troy Rollins wrote:
> 
>> 
>> On Jun 30, 2004, at 3:41 PM, Troy Rollins wrote:
 
>>> 
>>> Well, I've hacked a while. My app errors whether in VFW or QT modes
>>> when videograbber is used, as does, it turns out, the sample
>>> videograbber stack.
>>> 
>>> The device providing the video works fine in other (non Rev) video
>>> applications on the same machine.
>> 
>> I should add that I'm not even capturing video, only previewing it.
>> Video card issue? How can I tell? And if that is the case, why might
>> it work fine outside of Rev, but fails in Rev apps (as well as the
>> IDE.)?
>> 
>> XP Home. 1394/Firewire in.
>> 
>> --
>> Troy
>> RPSystems, Ltd.
>> http://www.rpsystems.net
>> 
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Re: VideoGrabber

[Troy Rollins]

On Jul 2, 2004, at 1:47 PM, Mark Talluto wrote:

I'll try the patch solution you mentioned. Do you happen to know any 
Win compatible  AtoD converters that will actually work with 
videoGrabber. I'm totally in a corner on this.
I just tried using my Sony Media Converter and could not get it to 
work with Rev.  Works just fine in Windows Movie Maker.  Also worked 
just fine in OS X.
My same experience.
And the product you mentioned, the Media Converter, should be 
considered the exemplary tool for exactly that - feeding a base format 
digital video into computer software. If THAT doesn't work, I have 
little reason to believe any other similar tool will. So basically, any 
device which does work with VideoGrabber would be the exception rather 
than the norm. And that, is not good.

--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Mark Talluto]

On Jul 1, 2004, at 6:35 AM, Troy Rollins wrote:
I'll try the patch solution you mentioned. Do you happen to know any 
Win compatible  AtoD converters that will actually work with 
videoGrabber. I'm totally in a corner on this.
I just tried using my Sony Media Converter and could not get it to work 
with Rev.  Works just fine in Windows Movie Maker.  Also worked just 
fine in OS X.
On a side note, I could not find any way to control the resolution at 
which video is grabbed on Mac OS X.  I had two setting available on 
Windows.  Sorry Troy.  There definitely is a feature request in all of 
this.  I know that this won't help your current problem though.

--
Best regards,
Mark Talluto
http://www.canelasoftware.com
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Re: VideoGrabber

[Thierry Arbellot]

On Thursday, Jul 1, 2004, at 15:35 Europe/Paris, Troy Rollins wrote:
Do you happen to know any Win compatible  AtoD converters that will 
actually work with videoGrabber. I'm totally in a corner on this.
No. Sorry.
Thierry
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Re: VideoGrabber

[Troy Rollins]

On Jul 1, 2004, at 5:22 AM, Thierry Arbellot wrote:
Actually, the videoGrabber provided by RunRev is quite limited under 
Windows, as it doesn't support DirectShow. I hope RunRev will improve 
it.

VFW is an old MS technology, some USB webcam are provided with such 
drivers.
Ouch. So, it is all but useless.
I'll try the patch solution you mentioned. Do you happen to know any 
Win compatible  AtoD converters that will actually work with 
videoGrabber. I'm totally in a corner on this.

--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Thierry Arbellot]

Hi Troy,
Actually, the videoGrabber provided by RunRev is quite limited under 
Windows, as it doesn't support DirectShow. I hope RunRev will improve 
it.

VFW is an old MS technology, some USB webcam are provided with such 
drivers.

Very few video cards are supplied with QT for Windows drivers, I can't 
recommend this solution.

I see one solution: use a plug-in that allows QT application to drive 
DirectShow capture devices.
The plug-in does the interface between DirectShow and QT, then you can 
use it in Rev with the videoGrabber in "QT" mode.
This is not a perfect solution, as the plug-in slows down the 
digitizing process (not sure you can get 30 frames/second full screen), 
but it works.

I have tried WinVDIG ( http://www.vdig.com/WinVDIG/index.html ), it's 
free, but hasn't been updated for 2 years.
Also take a look at Vdig ( 
http://www.abstractplane.com.au/products/vdig.jsp ), it's a commercial 
product, not tested, but I guess it works better.

Regards.
Thierry.
On Thursday, Jul 1, 2004, at 04:00 Europe/Paris, Troy Rollins wrote:
On Jun 30, 2004, at 7:27 PM, Troy Rollins wrote:
It isn't a camcorder, but it is firewire.
What class of device works best then?
And, this is also the case with the "QT" method?
Sorry to dwell, but this is a final, and crucial function of my 
software.

Is there a known-to-work analog to digital converter that is 
compatible with VideoGrabber on Windows XP? USB or Firewire? The one I 
have a "Dazzle Hollywood Edge" does not seem compatible in either 
"VFW" or "QT" modes.

I need to be able to take composite or S-Video and convert it to a 
videoGrabber compatible format. If I can find one that works, I can 
recommend that one. I currently don't have anything proving it works 
at all under Windows XP.

OSX works with everything... of course.
--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Troy Rollins]

On Jun 30, 2004, at 7:27 PM, Troy Rollins wrote:
It isn't a camcorder, but it is firewire.
What class of device works best then?
And, this is also the case with the "QT" method?
Sorry to dwell, but this is a final, and crucial function of my 
software.

Is there a known-to-work analog to digital converter that is compatible 
with VideoGrabber on Windows XP? USB or Firewire? The one I have a 
"Dazzle Hollywood Edge" does not seem compatible in either "VFW" or 
"QT" modes.

I need to be able to take composite or S-Video and convert it to a 
videoGrabber compatible format. If I can find one that works, I can 
recommend that one. I currently don't have anything proving it works at 
all under Windows XP.

OSX works with everything... of course.
--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Troy Rollins]

On Jun 30, 2004, at 6:44 PM, Thierry Arbellot wrote:
So, if you use DV Camcorder connected to firewire, it should not work 
with Rev.
Well, THAT su... er... is less than optimal.
It isn't a camcorder, but it is firewire.
What class of device works best then?
And, this is also the case with the "QT" method?
--
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RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Thierry Arbellot]

Rev only supports VFW video capture, not WDM capture devices, part of 
DirectX/DirectShow.

So, if you use DV Camcorder connected to firewire, it should not work 
with Rev.

Thierry.
On Wednesday, Jun 30, 2004, at 22:55 Europe/Paris, Troy Rollins wrote:
On Jun 30, 2004, at 3:41 PM, Troy Rollins wrote:

Well, I've hacked a while. My app errors whether in VFW or QT modes 
when videograbber is used, as does, it turns out, the sample 
videograbber stack.

The device providing the video works fine in other (non Rev) video 
applications on the same machine.
I should add that I'm not even capturing video, only previewing it. 
Video card issue? How can I tell? And if that is the case, why might 
it work fine outside of Rev, but fails in Rev apps (as well as the 
IDE.)?

XP Home. 1394/Firewire in.
--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Troy Rollins]

On Jun 30, 2004, at 3:41 PM, Troy Rollins wrote:

Well, I've hacked a while. My app errors whether in VFW or QT modes 
when videograbber is used, as does, it turns out, the sample 
videograbber stack.

The device providing the video works fine in other (non Rev) video 
applications on the same machine.
I should add that I'm not even capturing video, only previewing it. 
Video card issue? How can I tell? And if that is the case, why might it 
work fine outside of Rev, but fails in Rev apps (as well as the IDE.)?

XP Home. 1394/Firewire in.
--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Troy Rollins]

On Jun 30, 2004, at 2:08 PM, Troy Rollins wrote:

Don't know for XP, but tested with 2000 and VFW mode, it's ok.
Thanks. I'll keep hacking at it then.
Well, I've hacked a while. My app errors whether in VFW or QT modes 
when videograbber is used, as does, it turns out, the sample 
videograbber stack.

The device providing the video works fine in other (non Rev) video 
applications on the same machine.
--
Troy
RPSystems, Ltd.
http://www.rpsystems.net

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Re: VideoGrabber

[Troy Rollins]

On Jun 30, 2004, at 2:00 PM, Thierry Arbellot wrote:
Don't know for XP, but tested with 2000 and VFW mode, it's ok.
Thanks. I'll keep hacking at it then.
--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: VideoGrabber

[Thierry Arbellot]

Don't know for XP, but tested with 2000 and VFW mode, it's ok.
Thierry.
On Wednesday, Jun 30, 2004, at 19:52 Europe/Paris, Troy Rollins wrote:
Can anyone confirm that videoGrabber works under Windows XP in "VFW" 
mode?

I'm not having any problems in OSX and "QT" mode, but under Windows I 
get an attractive black box centered in the screen.

--
Troy
RPSystems, Ltd.
http://www.rpsystems.net
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Re: Videograbber--does it work?

[Thierry Arbellot]

the "video_input.rev" sample stack is provided with RR (in the "Sample 
Stacks" folder).
You can learn from this stack how to use the video grabber.

The documentation is wrong, the correct syntax of the command is :
revInitializeVideoGrabber the short name of this stack, 
"QT","100,100,200,200"

Regards.

Thierry

On Monday, September 8, 2003, at 06:33 PM, Howard Bornstein wrote:

I'm trying some preliminary tests with the videograbber commands in 
Rev 2.1. I can't get anywhere with them.

I've got an iBot firewire web cam attached to my 17" Powerbook G4. It 
works with BTV, so I can confirm the video drivers are present and 
correct.

When I use the videograbber commands, they don't work and generate 
non-specific errors (i.e. the error box flashes over and over again 
until I make it stop with cmd-period).

If I take the example for initializing the video grabber right from 
the docs and enter it into the msg box (revInitializeVideoGrabber 
"QT","100,100,200,200"), I get an error message:

Message execution error:
Error description: send: error in message expression
Can't get beyond this point.

Has anyone gotten the videograbber software to work in Rev? Any clues 
or tips?

Thanks,

Howard Bornstein
--
D E S I G N  E Q
www.designeq.com
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