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User profile for user: Zoker
Zoker Author
User level: Level 1
8 points

How to get Text source point to meta data in Apple Motion?

Hi,

I'm trying to pull frame rate from metadata of a clip but can't seem to find a way to do it in Apple Motion (yet).


But when I look at Timecode fx in FPCX, there's a line like "@#$sourceObject_projectOrSourceName" to pull name of the source or project. So I think there must be a way to point that line to a different meta data, right?


Do you guys have any idea on where to find the list of codes for this or how to change that line to display source frame rate?


Thanks in advance!

Posted on Nov 23, 2020 6:59 PM

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User profile for user: fox_m
fox_m
User level: Level 6
12,346 points

Posted on Nov 24, 2020 12:46 AM


There are two ways that I know work:


@#$sourceObject_metaData_metadataVideoFrameRate

and

@#$sourceObject_metaData_displayFormat



VideoFrameRate will display a whole number or for 29.97, the entire decimal value (14 places):

29.97002997002997

It will not indicate progressive or interlaced.


_displayFormat will display something like:

1080p 30p

or for 29.97:

1080p 29.97p


For 720x480, something like:

NTSC SD 29.97p (or i)


So displayFormat is generally more useful but will always show two pieces of information.


When you use these, it must be in an Effect for source information. Titles and Generators take on the Project settings.


When you use these in anything, you must uncheck Editable in FCP.


The values you get from the "code" are not anything you can do anything else with in Motion (so far as I have been able to ascertain). They may be useful if you know how to write FxPlugs [which I don't because I loath objective C].

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User profile for user: fox_m
fox_m
User level: Level 6
12,346 points

Nov 24, 2020 12:46 AM in response to Zoker


There are two ways that I know work:


@#$sourceObject_metaData_metadataVideoFrameRate

and

@#$sourceObject_metaData_displayFormat



VideoFrameRate will display a whole number or for 29.97, the entire decimal value (14 places):

29.97002997002997

It will not indicate progressive or interlaced.


_displayFormat will display something like:

1080p 30p

or for 29.97:

1080p 29.97p


For 720x480, something like:

NTSC SD 29.97p (or i)


So displayFormat is generally more useful but will always show two pieces of information.


When you use these, it must be in an Effect for source information. Titles and Generators take on the Project settings.


When you use these in anything, you must uncheck Editable in FCP.


The values you get from the "code" are not anything you can do anything else with in Motion (so far as I have been able to ascertain). They may be useful if you know how to write FxPlugs [which I don't because I loath objective C].

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User profile for user: Zoker
Zoker Author
User level: Level 1
8 points

Nov 24, 2020 1:20 AM in response to fox_m

Thank you so much fox_m, you've just got my salary raised by at least 400%!

May I ask how do you know these lines? Is there a kind of list or something, cuz I think there's maybe more useful info I could pull from metadata that I haven't known of yet.

I use this for my internal team to always see the framerate so they don't forget to slowdown 60fps clips.


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How to get Text source point to meta data in Apple Motion?

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