[PD] diff frame from previous frame with Gem
Hans-Christoph Steiner
hans at at.or.at
Wed Mar 10 17:59:31 CET 2010
Ah, ok, so then very nice!
.hc
On Mar 10, 2010, at 11:55 AM, Max wrote:
> pix_delay actually works exactly that way. its not milliseconds,
> it's frames.
> have a look at the helppatch fo pix_delay
>
> m.
>
> Am 10.03.2010 um 17:36 schrieb Hans-Christoph Steiner:
>
>>
>> Your patch is pretty simple, but it seems to be that the logic of
>> this operation should be based off of the frame clock rather than a
>> delay. That way, the patch would work no matter the frame rate,
>> for example.
>>
>> .hc
>>
>> On Mar 10, 2010, at 11:30 AM, Max wrote:
>>
>>> hi hans,
>>>
>>> why so complicated? just use [pix_delay 2] and [pix_separator] to
>>> feed the [pix_diff].
>>>
>>> <05a-difference.pd>
>>>
>>> taken from
>>> http://web.uni-weimar.de/medien/wiki/Bewegungsmelder
>>>
>>> Am 03.03.2010 um 23:39 schrieb Hans-Christoph Steiner:
>>>
>>>>
>>>> I am trying to make a simple patch where the current video frame
>>>> is [pix_diff]'ed against the previous video frame. I can get it
>>>> going manually, but I would like it to happen every frame. I
>>>> think I got close, but did manage to create a bizarre effect:
>>>> <framechangetracking.pd>
>>>>
>>>>
>>>> .hc
>>>>
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>>
>>
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>
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