[PD] pix_record mixed pixes

Patco megalegoland at yahoo.fr
Mon Dec 11 23:03:58 CET 2006


vincent Rioux a écrit :
> thanks IOhannes for being patient.
> well, i am still a bit unsure. do you mean that the stuff i described 
> below canNOT be recorded at all within puredata? i.e. do i have to 
> make a recording using the ouput of the graphic card?
>
> i am now trying to record a single rectangle moving over the Gem window.
> do i have to use pix_snap synchronized with pix_record to take a 
> sequence of snapshots? (i only get a green video output).
>
> vincent
>
> IOhannes m zmoelnig a écrit :
>> vincent Rioux wrote:
>>  
>>>>>             
>>>> i am not sure whether i fully understand what you mean.
>>>>         
>>> i agree with you, my description is not crystal clear.
>>> imagine that there is a video in the background (fullscreen).
>>> progressively some small recatngular parts of the video are transformed
>>> (for example gets darker) and move - in order to do that i apply 
>>> another
>>> gem layer on top of the video layer and insert several rectangles
>>> objects with alpha channel.
>>>     
>>
>> thanks.
>> what you describe canNOT be recorded directly with [pix_record] (you
>> already know that).
>>
>>  
>>>> [pix_record] will _only_ record pixes. (e.g. you have to transform 
>>>> your
>>>> "rectangles" into pix-domain; just using [rectangle] won't do)
>>>>         
>>> ok, how do one make this kind of transformation?
>>>     
>>
>> [pix_snap] transforms the rendering buffer (what has been rendered so
>> far in the render-cycle!) into a pix-buffer.
>>
>>  
>>>> e.g.
>>>>
>>>> [pix_video]
>>>> |
>>>> [pix_gain]
>>>> |
>>>> [pix_record]
>>>> |
>>>> [pix_invert]
>>>>
>>>> will record a video with [pix_gain] applied, but [pix_invert] is NOT
>>>> applied.
>>>>         
>>> ok, i think i got this one but what about pix_mix?
>>>     
>>
>> [pix_mix] is harder to draw in ascii. apart from that you shoud insert
>> it instead of [pix_gain] to have an effect.
>>
>> mfg.adsr
>> IOhannes
>>
>>   
>
>
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It would be nice if pix_snap worked on winslows

	

	
		
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