Creating comps from folders

[Filip Vandueren]

I haven’t tested this rigourously yet, but think it will work;


app.beginUndoGroup("Create Comps from Folders");
items = app.project.items;

comps_2b_created=[];

for (i=1; i<=items.length; i++) {
item=items[i];

// If the item is a folder in the root, whose name begins with "Video "
if (item.parentFolder.id==0 && item.typeName=="Folder" && item.name.indexOf("Video ")==0) {
comp={};
comp.name = item.name;
comp.duration=0;
comp.layers=[];

folderItems = item.items;
for (j=1; j<=folderItems.length; j++) {
subFolderItem=folderItems[j];

// if the subFolderItem is a direct Child, and is a comp, add it.
if(subFolderItem.parentFolder==item && subFolderItem.typeName=="Composition") {
comp.layers.push(subFolderItem);
comp.duration+=subFolderItem.duration;
}
}
if (comp.layers.length>0) {
comps_2b_created.push(comp);
}
}

}

for (c=0; c<comps_2b_created.length; c++) {
comp=comps_2b_created[c];

newComp = app.project.items.addComp(
comp.name,
comp.layers[0].width,
comp.layers[0].height,
comp.layers[0].pixelAspect,
comp.duration,
comp.layers[0].frameRate
);
startTimeCounter=0;

for (l =0; l<comp.layers.length; l++) {
newLayer = newComp.layers.add(comp.layers[l]);
newLayer.startTime = startTimeCounter;
startTimeCounter+=comp.layers[l].duration;
}
}

app.endUndoGroup();


[Danyl Bernard]

Wow, it works fantastic. Thank you!

I’m trying to work through the code here, It seems like the last two lines are where the layers get sequenced.
Earlier, I was working with an expression that would sequence the layers minus thirty frames from the last one, kind of like this is there a way to do that via scripting as well?

Also, how can I make the sequencing start from the second layer? The first layer is an audio track that I don’t want sequenced. I tried creating a new loop and changing the index number, but then it only imports one layer

Thank you!

[Filip Vandueren]

To only start sequencing from the second layer, and overal by 30 frames, change one of the last lines of the script:

This:

startTimeCounter+=comp.layers[l].duration;

Should become:

If (l>0) {
startTimeCounter+=comp.layers[l].duration – (30/comp.layers[0].frameRate)
}

[Danyl Bernard]

It works great, one small issue. Now the comp is the length of the originally imported layers, not the newly moved ones.

Is there a way to trim the comp to the length of the last (top) layer?

Thank you

[Danyl Bernard]

I’m essentially trying to add something like this to all of the comps which will trim them all to the “longest” layer

var myComp = app.project.activeItem;
var myLayer = myComp.selectedLayers[0];
myComp.duration = myLayer.outPoint;

[Filip Vandueren]

Yes, I calculated the length in the first loop, so that didn’t take into account that the first one isn’t sequenced, nor the overlap.
Your code would work, but since the last created comp and layer are already in a variable, it can be even simpler in this script: newComp.duration = newLayer.outPoint;
I’ve put it in the right place below:


app.beginUndoGroup("Create Comps from Folders");
items = app.project.items;

comps_2b_created=[];

for (i=1; i<=items.length; i++) {
item=items[i];

// If the item is a folder in the root, whose name begins with "Video "
if (item.parentFolder.id==0 && item.typeName=="Folder" && item.name.indexOf("Video ")==0) {
comp={};
comp.name = item.name;
comp.duration=0;
comp.layers=[];

folderItems = item.items;
for (j=1; j<=folderItems.length; j++) {
subFolderItem=folderItems[j];

// if the subFolderItem is a direct Child, and is a comp, add it.
if(subFolderItem.parentFolder==item && subFolderItem.typeName=="Composition") {
comp.layers.push(subFolderItem);
comp.duration+=subFolderItem.duration;
}
}
if (comp.layers.length>0) {
comps_2b_created.push(comp);
}
}

}

for (c=0; c<comps_2b_created.length; c++) {
comp=comps_2b_created[c];

newComp = app.project.items.addComp(
comp.name,
comp.layers[0].width,
comp.layers[0].height,
comp.layers[0].pixelAspect,
comp.duration,
comp.layers[0].frameRate
);
startTimeCounter=0;

for (l =0; l<comp.layers.length; l++) {
newLayer = newComp.layers.add(comp.layers[l]);
newLayer.startTime = startTimeCounter;
if (l>0) {
startTimeCounter+=comp.layers[l].duration - (30/comp.layers[0].frameRate);
}
}
newComp.duration = newLayer.outPoint;
}

app.endUndoGroup();


[Danyl Bernard]

Yep, works perfectly now. Thank you so much!

If I could pick your brain one last time, I have a music track in the project bin, that I’d like to add to all of the comps.

Previously, I was using an expression that looped through the bin and added the track to the bottom of the open comp

My question is twofold. One, is it possible to loop through the array and add it to all of the comps?

Two, and more difficult. Can the music track have a simple fade expression based on the comp duration, that fades the sound 3 seconds before each comp ends?

Thank you once again

var footageName = "myMusicTrack.wav";
var myProject = app.project;

// find the footage item
var myFootage = null;
for (var i = 1; i &lt;= myProject.numItems; i++){
myFootage = myProject.item(i);
if (myFootage.name == footageName && myFootage instanceof FootageItem){
break;
}
}

if (myFootage == null){
alert ("Can't find " + footageName);
}else{
myComp.layers.add(myFootage);
}

// this moves the newly added layer to the bottom of the panel
var activeItem = app.project.activeItem;
var activeLayers=activeItem.layers;
for(i=1;i&lt;=activeLayers.length;i++){
if(app.project.activeItem.layer(i).selected){
app.project.activeItem.layer(i).moveToEnd();
};

};

[Filip Vandueren]

Do this at the beginning of the script:


var footageName = "myMusicTrack.wav";
var myProject = app.project;

// find the footage item
var myFootage = null;
for (var i = 1; i <= myProject.numItems; i++){
myFootage = myProject.item(i);
if (myFootage.name == footageName && myFootage instanceof FootageItem){
break;
}
}

if (myFootage == null){
alert ("Can't find " + footageName);
}


Now the myFootage Variable contains the music.

Now after the loop and right after where the duration of the comp gets set (newComp.duration = newLayer.outPoint;)
Add this:


newComp.layers.add(myFootage);
newComp.layers[1].startTime=0;
newComp.layers[1]("Audio")("Audio Levels").setValuesAtTimes([newComp.duration-3, newComp.duration], [[0,0], [-96,-96]]);
// add an ease to the fade
fadeEase = new KeyframeEase(0,100);
newComp.layers[1]("Audio")("Audio Levels").setTemporalEaseAtKey(1,[fadeEase,fadeEase]);


Something like that

[Danyl Bernard]

Interesting. It seems like it’s still going through the original array, and it ends up adding the music track under every original layer

Any suggestions?

Thanks again

[Danyl Bernard]

Never mind, I was adding it in the wrong place

Thank you so much!