Re: Recording internal sound (Mac) - possible?

[Terry Judd]

A quick update on thatŠ

If I go back to LC 6.6.5 then I can record to file using Soundflower or
Sound Siphon as the input source without LC throwing an error but the file
contains no sound :(

Terry...

On 12/05/2016 3:29 pm, "use-livecode on behalf of Terry Judd"
 wrote:

>I want to use revSpeak and 'record sound file' in combination with a
>series of text templates to create some personalised audio files. It
>works but the default is that it captures audio from the built-in
>microphone via the computers speakers, which obviously has pretty
>horrible sound quality.
>
>I¹m guessing that I can work around this by plugging a stereo mini plug
>cable from the headphone port to the microphone port (hang on, my Macbook
>Air doesn¹t have a microphone port so I¹ll need a usb adapter as well
>there) and then fiddling around with the sound input in the sound panel ­
>but it would be easier/better if I could just capture my Mac's internal
>audio directly. There are a couple of system extension thingys that seem
>to support this (Soundflower or Sound Siphon) but unfortunately if I
>install these and select them in the sound input panel then Œrecord sound
>file¹ throws an error, like this - Œerror 0 starting recording¹ and no
>file is created.
>
>Has anyone dealt with something like this before, and if so is there any
>way to make it work other than via the cable route?
>
>I¹m using LC 8 BTW.
>
>TerryŠ
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Recording internal sound (Mac) - possible?

[Terry Judd]

I want to use revSpeak and 'record sound file' in combination with a series of 
text templates to create some personalised audio files. It works but the 
default is that it captures audio from the built-in microphone via the 
computers speakers, which obviously has pretty horrible sound quality.

I’m guessing that I can work around this by plugging a stereo mini plug cable 
from the headphone port to the microphone port (hang on, my Macbook Air doesn’t 
have a microphone port so I’ll need a usb adapter as well there) and then 
fiddling around with the sound input in the sound panel – but it would be 
easier/better if I could just capture my Mac's internal audio directly. There 
are a couple of system extension thingys that seem to support this (Soundflower 
or Sound Siphon) but unfortunately if I install these and select them in the 
sound input panel then ‘record sound file’ throws an error, like this - ‘error 
0 starting recording’ and no file is created.

Has anyone dealt with something like this before, and if so is there any way to 
make it work other than via the cable route?

I’m using LC 8 BTW.

Terry…
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Re: Using Widgets for Dummies Tutorial

[Antti Ilola]

I would like to see it too.


> Where is the “using widgets guide for dummies?”
>
>
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Help with Header Widget

[Sannyasin Brahmanathaswami]

1)Drag out header widget

2)From inside the property inspector.. how do I get the “add” button on the 
right to also show it’s label to the left of the icon?

Svasti Astu, Be Well
Brahmanathaswami
www.himalayanacademy.com

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Using Widgets for Dummies Tutorial

[Sannyasin Brahmanathaswami]

OK I watched the webinar and bit hard on the widgets hook and dragged out a 
header bar today to a new stack.

Now what? For super newbies this will be interesting,.. the guide is too “high”

How do I script the back button

Requires a fishing expedition:

Clicking on the widget I can only select the entire widget
Oh wait… the script for the widget shows:


on mouseUp

local tActionName
OK I can push that to console and see “Back” and “Add”  So far so good.

OK let’s select the widget… Ok great.. I can change its size… change to 20 px 
high
Go for the font… change to Helvetica Neue Bold size 14

Oops! My widget disappeared! And font change is made to a different label field 
on the card…

I don’t think I inadvertently hit the delete key… very odd.

Where is the “using widgets guide for dummies?”

??

BRTapply


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Re: LC8 RevErrorDisplay Opens but no script info

[Sannyasin Brahmanathaswami]

@ Dr. Hawkins

Interesting… I just discovered that what is causing the error is that I have 
copied some scripts to the stack script that expect to find a property set  in 
each card… but this is a new module and I don’t have the property set..

So 

if the uOrientation of this card is “Landscape

…. Is throwing an error, because the card has no such property.

 but the error window is blank.

Perhaps relates to your thread on inconsistent handling of empty props?

BR


On 5/11/16, 4:09 PM, "use-livecode on behalf of Sannyasin Brahmanathaswami" 
 wrote:

>LC 8 seems to still have numerous issues.
>
>I had two hard crashes today… didn’t even have that with the last DP.
>
>Here is the latest:
>
>I just opened a stack that fires the revErrorDisplay window, but it is 
>completely blank.
>
>??
>
>BR

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LC8 RevErrorDisplay Opens but no script info

[Sannyasin Brahmanathaswami]

LC 8 seems to still have numerous issues.

I had two hard crashes today… didn’t even have that with the last DP.

Here is the latest:

I just opened a stack that fires the revErrorDisplay window, but it is 
completely blank.

??

BR


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Re: Webinar

[Roger Eller]

On Tue, May 10, 2016 at 1:04 PM, Richard Gaskin 
wrote:

> Heather Laine wrote:
>
> > Indeed. Here it is for your viewing pleasure:
> >
> > https://livecode.com/lc8-launch-webinar-recording/ >
> > Please forgive the slight delay, 90 questions take a lot of answering :)
>
> I'm surprised and impressed that you took the time to transcribe the Q
> portion.  Well done!  Very nice to be able to read all those answers.
>
> --
>  Richard Gaskin
>  Fourth World Systems
>  Software Design and Development for the Desktop, Mobile, and the Web
>  
>  ambassa...@fourthworld.comhttp://www.FourthWorld.com
>


I got an answer too!  :-)

https://dl.dropboxusercontent.com/u/54789013/answer.png
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Re: Webinar

[Mike Kerner]

In one case, they also combined a couple of related questions/answers into
one item.

On Wed, May 11, 2016 at 9:02 AM, Mark Smith 
wrote:

> Richard Gaskin wrote
> > I'm surprised and impressed that you took the time to transcribe the Q
> > portion.  Well done!  Very nice to be able to read all those answers.
>
> Indeed, I'll second that.
>
>
>
>
> --
> View this message in context:
> http://runtime-revolution.278305.n4.nabble.com/Webinar-tp4704476p4704517.html
> Sent from the Revolution - User mailing list archive at Nabble.com.
>
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-- 
On the first day, God created the heavens and the Earth
On the second day, God created the oceans.
On the third day, God put the animals on hold for a few hours,
   and did a little diving.
And God said, "This is good."
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inconsistencies in treatment of empty properties

[Dr. Hawkins]

It's taken a while to figure out what was bugging me on this.

As near as I can tell, there is an inconsistency in how unset custom
properties get treated.

I don't have this nailed down yet, but I have had expressions like

"if the ckAlwNul of the target then"


cause handlers to bomb out without throwing an error.  I fixed one of these
this morning by adding an "is true".

And then, about ten lines down, identical code worked just fine, with the
if stepping to else.


It seems to me that referencing an unset property should consistently
either throw an error, or return empty as the result.
--
Dr. Richard E. Hawkins, Esq.
(702) 508-8462
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Re: Grid spacing not working in LC 8?

[tkuyp...@publishingtools4u.com]

Tnx Richard

Met vriendelijke groeten,
Warm Regards,



Ton Kuypers
+32 (0) 477 739 530

Steenweg op Leopoldsburg 100 • B-2490 • Balen • Belgium
www.publishingtools4u.com





> On 11 mei 2016, at 18:07, Richard Gaskin  wrote:
> 
> Ton Kuypers wrote:
> 
> > One of the things which prevented me to switch over to LC8, was that
> > the grid spacing set in the preferences was not working.
> 
> Confirmed - report submitted:
> 
> 
> -- 
> Richard Gaskin
> Fourth World Systems
> Software Design and Development for the Desktop, Mobile, and the Web
> 
> ambassa...@fourthworld.comhttp://www.FourthWorld.com
> 
> 
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Re: Availabe diskspace

[JB]

Thank you very much.
I looked and missed it.

JB


> On May 11, 2016, at 8:59 AM, Mike Bonner  wrote:
> 
> From the dictionary: Returns the amount of free space on the disk that
> holds the defaultFolder.
> 
> So, set the defaultfolder to the root (or a folder) on the drive where you
> want to get the diskspace.
> 
> On Wed, May 11, 2016 at 9:34 AM, JB  wrote:
> 
>> If you want to ge the available diskspace
>> you can use the following function.
>> 
>> on mouseUp
>>   answer info "Show diskspace" with "GB" or "MB" or "KB"
>>   put it into theUnits
>>   get humanReadableDiskSpace (theUnits)
>>   ask info "Availabe diskspace" with it
>> end mouseUp
>> 
>> function humanReadableDiskSpace theUnits
>>   beep
>>   set the caseSensitive to false
>>   switch char 1 of theUnits
>>  case "k"
>> return the diskSpace div 1024 & " kb"
>> break
>>  case "m"
>> return the diskSpace div (1024^2) & " mb"
>> break
>>  case "g"
>> return the diskSpace div (1024^3) & " gb"
>> break
>>  default
>> return the diskSpace
>> break
>>   end switch
>> end humanReadableDiskSpace theUnits
>> 
>> 
>> What is the proper way to get the diskspace
>> from a external drive?
>> 
>> JB
>> 
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Re: Grid spacing not working in LC 8?

[Richard Gaskin]

Ton Kuypers wrote:

> One of the things which prevented me to switch over to LC8, was that
> the grid spacing set in the preferences was not working.

Confirmed - report submitted:


--
 Richard Gaskin
 Fourth World Systems
 Software Design and Development for the Desktop, Mobile, and the Web
 
 ambassa...@fourthworld.comhttp://www.FourthWorld.com


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Re: Availabe diskspace

[Mike Bonner]

>From the dictionary: Returns the amount of free space on the disk that
holds the defaultFolder.

So, set the defaultfolder to the root (or a folder) on the drive where you
want to get the diskspace.

On Wed, May 11, 2016 at 9:34 AM, JB  wrote:

> If you want to ge the available diskspace
> you can use the following function.
>
> on mouseUp
>answer info "Show diskspace" with "GB" or "MB" or "KB"
>put it into theUnits
>get humanReadableDiskSpace (theUnits)
>ask info "Availabe diskspace" with it
> end mouseUp
>
> function humanReadableDiskSpace theUnits
>beep
>set the caseSensitive to false
>switch char 1 of theUnits
>   case "k"
>  return the diskSpace div 1024 & " kb"
>  break
>   case "m"
>  return the diskSpace div (1024^2) & " mb"
>  break
>   case "g"
>  return the diskSpace div (1024^3) & " gb"
>  break
>   default
>  return the diskSpace
>  break
>end switch
> end humanReadableDiskSpace theUnits
>
>
> What is the proper way to get the diskspace
> from a external drive?
>
> JB
>
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Availabe diskspace

[JB]

If you want to ge the available diskspace
you can use the following function.

on mouseUp
   answer info "Show diskspace" with "GB" or "MB" or "KB"
   put it into theUnits
   get humanReadableDiskSpace (theUnits)
   ask info "Availabe diskspace" with it
end mouseUp

function humanReadableDiskSpace theUnits
   beep
   set the caseSensitive to false
   switch char 1 of theUnits
  case "k"
 return the diskSpace div 1024 & " kb"
 break
  case "m"
 return the diskSpace div (1024^2) & " mb"
 break
  case "g"
 return the diskSpace div (1024^3) & " gb"
 break
  default
 return the diskSpace
 break
   end switch
end humanReadableDiskSpace theUnits


What is the proper way to get the diskspace
from a external drive?

JB

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Data Grid Array to Scalar Error

[Ray]

Has anybody seen this:

  An error has occurred in behavior for the column template:
  add: can't add array to scalar

I'm not sure what this means.  Other than the error popping up it 
doesn't seem to be doing any harm.  I've tried putting the handler which 
causes the error in a try-catch.  This works well but I can't save the 
RevDataGridLibrary stack so I have to re-do it each time I open the stack.


Any ideas?

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Grid spacing not working in LC 8?

[Ton Kuypers]

Hi,

One of the things which prevented me to switch over to LC8, was that the grid 
spacing set in the preferences was not working. Nothing dramatically, but very 
annoying…

But I just found the time download the final version and to my surprise it 
still doesn’t work.

I set it to 10, changed it to 20, but no result.
I searched and trashed all preference files from all library/preferences and 
application support locations, but no luck

Anyone any suggestions on how to fix this?


Met vriendelijke groeten,
Warm Regards,



Ton Kuypers
+32 (0) 477 739 530

Steenweg op Leopoldsburg 100 • B-2490 • Balen • Belgium
www.publishingtools4u.com 


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Re: Webinar

[Mark Smith]

Richard Gaskin wrote
> I'm surprised and impressed that you took the time to transcribe the Q 
> portion.  Well done!  Very nice to be able to read all those answers.

Indeed, I'll second that.




--
View this message in context: 
http://runtime-revolution.278305.n4.nabble.com/Webinar-tp4704476p4704517.html
Sent from the Revolution - User mailing list archive at Nabble.com.

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Re: Speed of LCB

[Kevin Miller]

Measuring speed in the context of LCB is a bit different to measuring the
speed in LiveCode script.

If you are calling a lower level library then the speed of LCB is almost
irrelevant as the lower level code will be doing heavy lifting fully
compiled.

When it comes to things like the speed of rendering objects, there are so
many advantages to the way that LCB does it - e.g. the widgets written to
paint just the viewable area (the early prototype list example we did had
10K elements and scrolled smoothly on the very lowest end devices) that I
doubt the speed of execution comes into play.

Where it does matter a bit more are for things like JSON processing. That
said lets see if even as it stands it is an issue for the main use cases
of that library. If it is, it is a new language and there is a great deal
of optimization that we can and will do over time.

And in answer to the machine code compilation question, yes we designed it
like that from the outset so one day in the future that is a possibility!

Kind regards,

Kevin

Kevin Miller ~ ke...@livecode.com ~ http://www.livecode.com/
LiveCode: Everyone can create apps




On 10/05/2016, 16:58, "use-livecode on behalf of Richard Gaskin"
 wrote:

>David Bovill wrote:
>
> > Richard mentioned that LCB can be / is magnitudes slower than Livecode
> > script for certain tasks?
>
>I don't believe I have sufficient data to have made such a specific
>claim.  If I did I was mistaken, as I've not seen enough scripts
>offering equivalent functionality written in both LC Script and LC
>Builder to have been able to provide guidance that precise.
>
>A few weeks ago I did reply to Monte's question here about whether to
>write a library in Script or Builder, and I noted that if the primary
>consideration were execution speed (development speed had already been
>addressed) LC Script would seem the favorable choice.
>
>This was based on two pieces of anecdotal information, one of which I've
>learned is questionable in terms of direct comparison:
>
>- "LiveCode Builder performance improvements" is in the "Planned"
>section of the Roadmap, a good place for it given that Builder
>just premiered in v8 and there's the old adage about premature
>optimization.
>
>- I had run one test in a field validation library which is available
>   as both LC Builder and LC Script:
>   
>
>I was discussing the latter with Peter recently and he reminded me that
>LC Builder doesn't yet have regex support.  So while some chunk
>expressions in LC Script outperform some regex operations, in that case
>it seems likely that regex may play a strong role in the measurable
>performance benefit of LC Script in the one function I benchmarked from
>that library.
>
>So until someone writes a set of tests that are truly equivalent in LS
>Script and LC Builder, any performance benefit one way or another is
>unknowable.
>
>Since optimization of LC Builder is already on the Roadmap, and the need
>for optimization of LC Script is both more pervasive in terms of
>affected users and well known by the team, for myself I'd wait until
>both optimization efforts are completed before spending too much time
>with benchmark comparisons between them.
>
>That said, if someone has an immediate need for such a comparison I'd be
>curious to see the scripts and the results.
>
>
> > Perhaps it's time to look at a speed comparison between various ways
> > to encode and decode JSON in Livecode.
>
>Neither LC Script nor LC Builder will likely outperform the C++ used in
>available JavaScript engines.
>
>Ideally that optimized code in machine-compiled form would become
>available to us, both for rebustness and performance as JSON's role in
>daily work continues to expand.
>
>I would imagine Monte's external will outperform any scripted
>implementation.
>
>
> > I thought jsonImport would wrap a C library - but looking at the code
> > on GitHub
> > 
>on/json.lcb>it's
> > all native LCB I think. That would make no sense if LCB was slow?
>
>My (likely naive) hope is that LC Builder's tighter internal structure
>will one day lend itself to becoming machine compilable.  I can dream,
>can't I? :)
>
>
> > Does anyone have a speed testing app / framework - in the spirit of
> > open source I'd rather not keep rollin my own :)
>
>I do a lot of benchmarking, but my needs are modest so I have no
>framework per se beyond a simple script I reuse, similar to the variant
>in this post:
>
>Project: Performance Benchmarking Toolkit
>3636>
>
>In fact, Malte's thread there may be a good place to continue the
>discussion toward a common, more generalized benchmarking framework.
>
>-- 
>  Richard Gaskin
>  Fourth World Systems
>  Software Design and Development for the 

Re: read volume

[JB]

When I read your reply it said there
was a recent thread opened
about that and gave a link.

Now it does not say that
and talks about walking
a directory.

Walking a directory for a large volume
is too slow.  I already tried it and I was
happy with the time it takes.

What I want to do is read the volume as
a file is read.  I am currently reading files
in 5kb sections and do this to EOF.

I guess when I read about volumes it was
in the C programming language.  I know it
it can be done with C and I might need to
write a external to do it.  I can read and
write files in C.  If there is a way to do it
without writing a external it would be nice
to give it a try.

JB




> On May 10, 2016, at 7:16 PM, Scott Rossi  wrote:
> 
> I think what you're looking for is directory walking (files & folders, not
> file contents).
> 
> You're part of a fairly recent thread that explains this:
> http://runtime-revolution.278305.n4.nabble.com/recursion-limit-when-creatin
> g-file-list-of-harddrive-td4697952i20.html
> 
> 
> Regards,
> 
> Scott Rossi
> Creative Director
> Tactile Media, UX/UI Design
> 
> 
> 
> 
> On 5/10/16, 12:29 PM, "use-livecode on behalf of JB"
> 
> wrote:
> 
>> I thought I had read you could read
>> a volume like you read a file but it
>> can not be the startup volume.
>> 
>> I tried to read using the volume name shown
>> from the volumes function and open file and
>> it did not work so I used open driver and it
>> did not return any data either.
>> 
>> Is there a way to read a disk drive like you
>> read a file?  If I want to read all of the data
>> on a drive do I need to list all of the files and
>> then read from each file instead of reading
>> the drive or volume to end of file?
>> 
>> JB
>> 
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Re: read volume

[JB]

Thanks for the info.
I will read it.

JB


> On May 10, 2016, at 7:16 PM, Scott Rossi  wrote:
> 
> I think what you're looking for is directory walking (files & folders, not
> file contents).
> 
> You're part of a fairly recent thread that explains this:
> http://runtime-revolution.278305.n4.nabble.com/recursion-limit-when-creatin
> g-file-list-of-harddrive-td4697952i20.html
> 
> 
> Regards,
> 
> Scott Rossi
> Creative Director
> Tactile Media, UX/UI Design
> 
> 
> 
> 
> On 5/10/16, 12:29 PM, "use-livecode on behalf of JB"
> 
> wrote:
> 
>> I thought I had read you could read
>> a volume like you read a file but it
>> can not be the startup volume.
>> 
>> I tried to read using the volume name shown
>> from the volumes function and open file and
>> it did not work so I used open driver and it
>> did not return any data either.
>> 
>> Is there a way to read a disk drive like you
>> read a file?  If I want to read all of the data
>> on a drive do I need to list all of the files and
>> then read from each file instead of reading
>> the drive or volume to end of file?
>> 
>> JB
>> 
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