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v5.20

After Effects

Set Frame Range

Jorge Hernandez Ibañez 14/10/2025

Tags
javascript shot range frames

Set Frame Range

Set Frame Range

Jorge Herna…

Action v1

14/10/2025

After Effects

Pseudo-Code

Parameters

Talk with TD Support

Import to my Pipeline

Code

// After Effects Set Frame Range Action
// import DCC_LIBRARIES - ExtendScript for After Effects API

/**
 * Set Frame Range Action
 * 
 * This action queries the shot's frame range from the database
 * and sets it in the active After Effects composition.
 * 
 * Simple and direct - no checking, just setting the frame range.
 */

function setFrameRange() {
    console.log("Set Frame Range: Starting...");
    
    // Get current project filename
    getCurrentProjectFile();
    var filename = currentProjectFile;
    
    if (!filename) {
        console.log("Set Frame Range: Error - Could not get project filename");
        return "ERROR: Could not get project filename";
    }
    
    console.log("Set Frame Range: Project file:", filename);
    
    // Query to get shot frame range from database
    var query = `
        query {
            file(fileName: "${filename}", token:"{token}"){
                shot{
                    startFrame
                    endFrame
                }
            }
        }
        `;
    
    // Execute query and set frame range
    pipeline.query(query).then(function(result) {
        console.log("Set Frame Range: Query result received:", result);
        
        // Validate query result
        if (!result || !result.file || !result.file.shot) {
            console.log("Set Frame Range: Error - No shot data found");
            return;
        }
        
        // Extract frame range from query result
        var shot = result.file.shot;
        var startFrame = shot.startFrame;
        var endFrame = shot.endFrame;
        
        console.log("Set Frame Range: Shot frame range from DB:", startFrame, "-", endFrame);
        
        // Build ExtendScript code to set the frame range in After Effects
        var extendScriptCode = "try { " +
            "var comp = app.project.activeItem; " +
            "if (!comp || !(comp instanceof CompItem)) { " +
            "'ERROR:No active composition found'; " +
            "} else { " +
            "app.beginUndoGroup('Set Frame Range'); " +
            "var initialStart = Math.round(comp.workAreaStart * comp.frameRate); " +
            "var initialEnd = Math.round((comp.workAreaStart + comp.workAreaDuration) * comp.frameRate) - 1; " +
            "var startTime = (" + startFrame + " - 1) / comp.frameRate; " +
            "var endTime = " + endFrame + " / comp.frameRate; " +
            "var workAreaDuration = (" + endFrame + " - " + startFrame + " + 1) / comp.frameRate; " +
            "comp.duration = endTime; " +
            "comp.workAreaStart = startTime; " +
            "comp.workAreaDuration = workAreaDuration; " +
            "var newStart = Math.round(comp.workAreaStart * comp.frameRate); " +
            "var newEnd = Math.round((comp.workAreaStart + comp.workAreaDuration) * comp.frameRate) - 1; " +
            "app.endUndoGroup(); " +
            "'SUCCESS:Frame range set from [' + initialStart + '-' + initialEnd + '] to [' + newStart + '-' + newEnd + ']'; " +
            "} " +
            "} catch (e) { " +
            "'ERROR:' + e.toString(); " +
            "}";
        
        console.log("Set Frame Range: Executing ExtendScript...");
        
        // Execute the ExtendScript code
        executeExtendScriptCode(extendScriptCode, function(result) {
            console.log("Set Frame Range: ExtendScript result:", result);
            
            if (!result || result === 'undefined') {
                console.log("Set Frame Range: Error - No result returned from ExtendScript");
                return;
            }
            
            if (result.indexOf("ERROR:") === 0) {
                console.log("Set Frame Range: Error -", result.substring(6));
            } else if (result.indexOf("SUCCESS:") === 0) {
                console.log("Set Frame Range: Success -", result.substring(8));
            } else {
                console.log("Set Frame Range: Unexpected result:", result);
            }
        });
        
    }).catch(function(error) {
        console.log("Set Frame Range: Database query failed:", error.message);
    });
    
    return "Setting frame range...";
}

setFrameRange();

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