Scripting - Adding effects

[stevec73141060]

Using ExtendScript, I need to add a Lumetri Color effect to a clip and set the Input LUT to a specific file. I can see the ComponentCollection for the clip, and it looks like the effects are items in this collection. Is it possible to add new effects to a clip, and how do you set their parameters?

[e_d_]

Hi,

while there are some ways to GET effect data (not all have yet been implemented), I have doubts you can (easily) SET them...

If that were the case, I believe Bruce Bullis​ would have updated the Sample Panel.

[e_d_]

Also see this thread, your question seems very similar to me. Guess you'll have to do some trial-and-error.

[andymees@aje · Accepted solution]

Agree with e.d.... manipulating the parameters of existing effects,  including Lumetri Color should be somewhat doable,  but am not sure if/how you can add the effect with the public API only? But in the QE DOM you can use the addVideoEffect method.

Re: Javascript API for premiere pro

[dheidel]

Any chance anyone can shed a little more light on how to use the addVideoEffect() method in the admittedly "officially unsupported and not recommended" QE DOM? I've tried passing an effect's displayName, matchName, and a component object as an argument to the method and I get a "Bad argument list" message for each of those. Might someone know what arguments that method expects?

Thanks,

David

[dmytrok98627988]

Joining to this request for addVideoEffect() args

[dmytrok98627988]

Found out. addVideoEffect(this.qe.project.getVideoEffectByName("Twirl"))

[dheidel]

Thanks, that's really helpful!

[Premiopolis]

dmytrok98627988  wrote

Found out. addVideoEffect(this.qe.project.getVideoEffectByName("Twirl"))

Was able get the object for qe.project.getVideoEffectByName("Twirl")

How to apply addVideoEffect() to either

a trackItem, e.g. app.project.activeSequence.videoTracks[0].clips[0];

or

a projectItem, e.g. app.project.rootItem.children[0];

[Eli Portell]

I found this to work.

var clip = qe.project.getActiveSequence().getVideoTrackAt(0).getItemAt(0); // First item, first track

clip.addVideoEffect(this.qe.project.getVideoEffectByName("Crop"));

[Premiopolis]

eliportell@hotmail.com  wrote

I found this to work.

var clip = qe.project.getActiveSequence().getVideoTrackAt(0).getItemAt(0); // First item, first track

clip.addVideoEffect(this.qe.project.getVideoEffectByName("Crop"));

Thanks eliportell@hotmail.com

Worked like a charm.  It was the getting of the track by mean of the "qe" project that made the difference.

Is the "this" on your second line a necessary object.   It worked for me without. What is "this" referring to?

[Eli Portell]

Premiopolis​ great point.

I was using the "this" because that is what was shared by dmytrok98627988​ and it worked, so I didn't question. Thanks to everyone's participation on this thread. Adding effects is a huge help.

[Premiopolis]

Are you able to programmatically set properties of the applied effect?  So far I haven't found a means to do so.

[Eli Portell]

This worked for me:

app.enableQE();

var clip = qe.project.getActiveSequence().getVideoTrackAt(0).getItemAt(0);

clip.addVideoEffect(qe.project.getVideoEffectByName("Crop"));

var clip = app.project.activeSequence.videoTracks[0].clips[0];

for (var a = 0;a<clip.components.numItems;a++){

    if( clip.components.displayName == "Crop"){

        clip.components.properties[0].setValue(30,1);

        clip.components.properties[1].setValue(20,1);

        clip.components.properties[2].setValue(12,1);

        clip.components.properties[3].setValue(10,1);

        clip.components.properties[5].setValue(25,1);

        }

    }

Referencing this effect documentation for property information. And here is a tutorial video as well.

[Premiopolis]

Eli Portell ​   ​Super helpful.  Thanks.

[Shakil Max]

Looks good but instead of getActiveSequence how can work on any sequence with sequence number. 

Something like this - project.sequences[10]; 

But in QE it doesn't work. how to define Sequence 10 instead of active sequence? 

[Upendra_sengar]

Hi ,

Did you get any update ? can we apply INPUT LUT to any clip?