Quicktime in Squeak
Josh Gargus
schwa at fastmail.us
Wed Jan 18 16:07:50 UTC 2006
On Jan 18, 2006, at 3:23 AM, John M McIntosh wrote:
> There is a problem with loading FFI api methods via Monticello, you
> must ensure you've also loaded this version before you load any
> code that creates FFI structured classes.
>
> "Name: Monticello-bf.273
> Author: bf
> Time: 5 January 2006, 4:33:19 pm
> UUID: 2edc365b-9da0-4978-9b14-b53305b4914a
> Ancestors: Monticello-bf.272
Where can I find this version? http://kilana.unibe.ch:8888/
Monticello doesn't seem to have it. Do Avi's latest versions contain
this fix?
>
> Fix loading of ExternalStructures. The normal file-out code inserts
> a #compileFields send. So we now send #compileFields when #fields
> was changed, similar to the #initialize call."
>
>
> If you've already loaded stuff then you must do a
> "ExternalStructure compileAllFields" to fix things.
Great, thanks.
>
>
> I'll note this quicktime stuff is a moving target,
Understood.
> I did a bit of work today to provide a plugin that creates a squeak
> surface object so that we can copy the form from the surface
> into the tweak morphic, and to signal a semaphore when quicktime
> signals a frame is completed so we know when to grab the frame for
> display.
>
> I haven't published the plugin yet, and tomorrow I need to spend
> some time with Steven in cleaning a few things up.
>
Thanks again,
Josh
>
> On 17-Jan-06, at 11:37 PM, Josh Gargus wrote:
>
>> I grabbed some of the latest Sophie stuff:
>>
>> Network-URI-swr.12.mcz
>> Files-Locations-JMM.23.mcz
>> Sophie-FFI-Mac-JMM.6.mcz
>> Sophie-Quicktime-swr.4.mcz
>>
>> However, I can't make any of the examples work. Both
>> SophieQuickTimeMovie>>example and SophieQuickTimeMovie>>example2
>> crash the VM.
>> The first problem is in
>> #callQTNewDataReferenceFromFullPathCFString:style:flags: , where
>> the FFI call to
>> #apiCFStringCreateWithBytesAllocator:buffer:size:encoding:external: f
>> ails. I thought this might be because the 'allocator' needed to
>> be 0 instead of nil, but that didn't fix things. Any ideas?
>>
>> Thanks,
>> Josh
>>
>> On Jan 14, 2006, at 2:18 PM, Steven Riggins wrote:
>>
>>> Right now we've only done the Mac FFI calls.
>>>
>>> On my last of breed powerbook, the video is hardware accelerated
>>> so it plays entirely on top of squeak objects. We don't have the
>>> form based stuff working yet.
>>>
>>>
>>> On Jan 14, 2006, at 11:25 AM, Josh Gargus wrote:
>>>
>>>>
>>>> I'd love to see it once it can grab bits into a Squeak form;
>>>> please announce when it is finished.
>>>>
>>>> Will this be a Windows and MacOS solution?
>>>>
>>>> Thanks,
>>>> Josh
>>>>
>>>
>>
>>
>
> --
> ======================================================================
> =====
> John M. McIntosh <johnmci at smalltalkconsulting.com> 1-800-477-2659
> Corporate Smalltalk Consulting Ltd. http://
> www.smalltalkconsulting.com
> ======================================================================
> =====
>
>
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