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Size Qwen 2.1 Generate from the bench aspect table.

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Wire EmptyLatentImage to the official ~1 MP grid so 16:9 lands at 1536×864, keep PE wh_ratio advisory, and leave Edit on the encode latent from image_1.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Towsty
2026-09-26 10:54:18 -05:00
co-authored by Cursor
parent 2842855c7b
commit 95873744cd
7 changed files with 119 additions and 32 deletions
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shared/studio2/contracts.mjs
+8 -3
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@@ -1,6 +1,7 @@
import {normalizeStyles,stylePrompt} from './styles.mjs'
import { queueSeeds } from './seed.mjs'
import { sectionsFrom, compileSections } from './prompt.mjs'
import { QWEN21_ASPECT_IDS, resolveQwen21Size } from './qwen21-size.mjs'
export { sectionsFrom } from './prompt.mjs'
export const cameraFamilies = ['static','dolly in','dolly out','pan left','pan right','tilt up','tilt down','zoom in','zoom out','orbit left','orbit right']
export const identityLock = '<Picture 1> / hero is identity for face, hair, glasses, body, and wardrobe. Keep the person and clothes fully preserved. Start frame is composition, pose, place, and camera only. Do not copy facial drift from the start frame.'
@@ -50,8 +51,10 @@ export function validateRequest(raw, xaigen = false) {
const qwen = engine === 'qwen21'
const defaultSteps = video ? 8 : qwen ? 25 : 24
const defaultCfg = video ? 1.5 : qwen ? 1 : 4
const defaultWidth = qwen ? 1024 : 1344
const defaultHeight = qwen ? 1024 : 768
const aspect = QWEN21_ASPECT_IDS.has(raw.settings?.aspect) ? raw.settings.aspect : 'auto'
const qwenSize = qwen && mode === 'generate' ? resolveQwen21Size(aspect) : null
const defaultWidth = qwenSize ? qwenSize.width : qwen ? 1024 : 1344
const defaultHeight = qwenSize ? qwenSize.height : qwen ? 1024 : 768
for (const key of ['steps']) if (!Number.isInteger(number(key,key==='steps'?defaultSteps:1,0,2147483647))) fail(`Invalid ${key}.`)
for (const key of ['width','height']) if (number(key,key==='width'?defaultWidth:defaultHeight,256,4096)%32) fail('Dimensions must be multiples of 32.')
const duration=number('duration',5,1,15)
@@ -62,10 +65,12 @@ export function validateRequest(raw, xaigen = false) {
const frames=Math.ceil((duration*number('fps',24,1,60)-5)/17)*17+5
const shotSeeds=queueSeeds(raw.settings,1+(Array.isArray(raw.batch)?raw.batch.length:0))
const enhancePrompt = qwen && !video && !!raw.enhancePrompt
const width = qwenSize ? qwenSize.width : number('width',defaultWidth,256,4096)
const height = qwenSize ? qwenSize.height : number('height',defaultHeight,256,4096)
return { mode, engine, shotSeeds, imageStyles:video?{positive:[],negative:[]}:normalizeStyles(raw.imageStyles), hideOutput:!!raw.hideOutput, enhancePrompt, lockFace:qwen ? false : raw.lockFace !== false, lockOutfit:qwen ? false : raw.lockOutfit !== false, hideInput:!!raw.hideInput, folderId:String(raw.folderId), identityStillId:qwen ? '' : (raw.identityStillId || ''), imageAId:raw.imageAId || '', imageBId:raw.imageBId || '', maskId:raw.maskId || '', startClipId:raw.startClipId || '', endStillId:raw.endStillId || '',
startFrameSource: raw.startClipId ? {kind:'previous-last-frame',clipId:raw.startClipId} : {kind:'still',stillId:raw.imageAId || ''},
promptSections, compiledPrompt:compilePrompt(promptSections,video,{...raw,engine,lockFace:qwen?false:raw.lockFace,lockOutfit:qwen?false:raw.lockOutfit}),
settings: { aspect:['auto','16:9','9:16','1:1'].includes(raw.settings?.aspect)?raw.settings.aspect:'auto', fps:number('fps',24,1,60), width:number('width',defaultWidth,256,4096),height:number('height',defaultHeight,256,4096),steps:number('steps',defaultSteps,1,100),cfg:number('cfg',defaultCfg,0,20),seedMode:raw.settings?.seedMode==='locked'?'locked':'random',seed:shotSeeds[0],duration:number('duration',5,1,15),turbo:raw.settings?.turbo !== false, loraStack:qwen?[]:(Array.isArray(raw.settings?.loraStack)?raw.settings.loraStack:[]) },
settings: { aspect, fps:number('fps',24,1,60), width, height, steps:number('steps',defaultSteps,1,100),cfg:number('cfg',defaultCfg,0,20),seedMode:raw.settings?.seedMode==='locked'?'locked':'random',seed:shotSeeds[0],duration:number('duration',5,1,15),turbo:raw.settings?.turbo !== false, loraStack:qwen?[]:(Array.isArray(raw.settings?.loraStack)?raw.settings.loraStack:[]) },
guides: (Array.isArray(raw.guides)?raw.guides:[]).slice(0,8).map(g=>{ if (!g.stillId || !Number.isInteger(g.frame) || g.frame<1 || g.frame>=frames) fail('Each guide requires a still and positive frame index.'); return {stillId:String(g.stillId),frame:g.frame} }),
batch: (Array.isArray(raw.batch)?raw.batch:[]).slice(0,30).map(s=>{const next=sectionsFrom({...promptSections,...(typeof s==='string'?{action:s}:s)});if(!next.action.trim())fail('Every shot needs an action prompt.');return video?next:{action:next.action}}) }
}