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Make Studio 2 the home bench with YuE2 music, LTX, and per-preview hide.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Towsty
2026-09-15 18:19:34 -05:00
co-authored by Cursor
parent a216afc4ce
commit 1db62e9187
14 changed files with 413 additions and 330 deletions
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server/utils/studio2/runner.ts
+40 -10
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@@ -74,8 +74,6 @@ async function prepareGraph(r: any) {
let graph: any;
if (['video', 'extend'].includes(q.mode)) {
if (q.engine !== 'minimax')
throw new Error('Studio 2 native identity video currently requires MiniMax. Use the existing xAIGen studio for LTX.');
let start = a;
if (q.startClipId) {
const dir = join(studio2Root(), r.id);
@@ -86,14 +84,46 @@ async function prepareGraph(r: any) {
start = await upload(r, 'start', readFileSync(dest));
unlinkSync(dest);
}
const end = await load(q.endStillId, 'end'), guides = [];
for (const [i, g] of q.guides.entries())
guides.push({ image: await load(g.stillId, `guide${i}`), frame: g.frame });
graph = nativeVideoGraph(template, q, { hero, start, end, guides }, prefix);
await ensureComfyLoraNames('video');
resolveGraphLoraNames(graph, 'video');
applyUserLoraToGraph(graph, s.loraStack);
r.graphId = 'studio2_minimax_native.json';
if (q.engine === 'ltx') {
const { buildWorkflow } = await import('../workflow');
const { frameLength } = await import('../videoChain');
const { ltxWorkflowEnabled, LTX_DISABLED_MESSAGE } = await import('~/utils/videoModels');
if (!ltxWorkflowEnabled()) throw new Error(LTX_DISABLED_MESSAGE);
if (!start) throw new Error('Choose a start still for LTX video.');
const fps = s.fps || 24;
graph = buildWorkflow({
workflow: 'ltx',
imageName: start,
prompt: q.compiledPrompt,
width: s.width,
height: s.height,
length: frameLength(s.duration || 5, fps),
fps,
steps: s.steps,
cfg: s.cfg,
seed: s.seed,
samplerName: 'euler',
scheduler: 'simple',
turbo: false,
duration: s.duration || 5,
filenamePrefix: prefix + '/video',
loraStack: s.loraStack,
useIdentityRefs: false
});
await ensureComfyLoraNames('video');
r.graphId = 'workflow_ltx_video.json';
} else {
if (q.engine !== 'minimax')
throw new Error('Studio 2 video supports MiniMax H3 and LTX (xAIGen).');
const end = await load(q.endStillId, 'end'), guides = [];
for (const [i, g] of q.guides.entries())
guides.push({ image: await load(g.stillId, `guide${i}`), frame: g.frame });
graph = nativeVideoGraph(template, q, { hero, start, end, guides }, prefix);
await ensureComfyLoraNames('video');
resolveGraphLoraNames(graph, 'video');
applyUserLoraToGraph(graph, s.loraStack);
r.graphId = 'studio2_minimax_native.json';
}
}
else {
const mode = identityPlan?.mode ?? (q.mode === 'iterate' ? (a ? 'edit' : 'generate') : q.mode);