twotalesanimation
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PrepareOutputDir cleared every file in the output dir whose name started
with the output pattern's prefix. The preview stage writes its MOV and MP4
into that same folder from the same basename ({outputDir}/{base}.mov), so
they matched the prefix and were deleted before aerender started.
The dir is not private to one export: outputDir is keyed on the shot's
manually-set shotVersion, not on the export, so re-queuing without a
Version Up renders into the folder again. That is exactly the "No preview"
workflow - export scaled, reverse the scale, re-render only the EXRs and
inherit the earlier MOV - and inheritPreviewMedia then handed the new
export a deliveryMovPath pointing at the file the render had just removed.
Nothing surfaced it: the review MP4 is an uploaded blob and still played,
and DeliveryStage treats a missing MOV as non-fatal, so the package
silently shipped EXRs with no viewing copy.
Match on prefix and extension instead, via a new
SequencePattern.MatchesOutputFile - the predicate ValidationStage and
DeliveryStage already applied inline. Crashed-attempt cleanup is unchanged;
only files with a different extension are now spared.
JobExecutor's post-render stats loop matched on prefix alone too. With the
media no longer deleted it would have counted the MOV/MP4 as frames and
failed validation's file_count check, so it uses the same matcher.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
FeedBack — VFX Review & Approval Platform
Frame-accurate video review, annotation drawing, and approval tracking for boutique VFX and animation studios.
Features
- Dead-simple video upload — drag & drop MP4/MOV, up to 2 GB, version-tracked
- Frame-accurate scrubbing — canvas-based timeline ruler with click-and-drag seek
- Timestamp comments — comments anchored to exact frame numbers, threaded replies, resolve/unresolve
- Annotation drawing — freehand, arrow, rectangle, circle tools with color + stroke width picker
- Approval workflow — Approve / Reject / Needs Changes with notes, full history
- Client review links — shareable token-based review URLs for external clients (no login required)
- Role-based access — Admin / Producer / Supervisor / Artist / Client roles
- Slack notifications — webhook alerts for uploads and approvals
- Self-hostable — Docker Compose with PostgreSQL + MinIO (S3-compatible) included
Tech Stack
| Layer | Technology |
|---|---|
| Framework | Next.js 15 App Router (Turbopack) |
| Language | TypeScript 5 strict |
| Styling | TailwindCSS 3 + shadcn/ui (zinc, dark-only) |
| Auth | NextAuth.js v5 (Credentials + JWT) |
| Database | PostgreSQL 16 via Prisma 6 |
| File Storage | UploadThing / S3 / R2 / B2 / MinIO / local |
| State | Zustand 5 (player) + TanStack Query 5 (server) |
| Annotations | HTML5 Canvas API (normalized coordinates) |
| Video Playback | HTML5 <video> with custom controls |
| Container | Docker multi-stage build |
Quick Start (Docker)
# 1. Clone and configure
cp .env.example .env
# Edit .env — set AUTH_SECRET, DATABASE_URL, storage provider
# 2. Start services (PostgreSQL + MinIO + App)
docker compose up -d
# 3. Run migrations and seed
docker compose exec app npx prisma migrate deploy
docker compose exec app npx tsx prisma/seed.ts
# 4. Open http://localhost:3000
Demo accounts (after seed):
| Password | Role | |
|---|---|---|
| admin@vfxreview.local | admin123 | Admin |
| producer@vfxreview.local | producer123 | Producer |
| supervisor@vfxreview.local | supervisor123 | Supervisor |
| artist@vfxreview.local | artist123 | Artist |
| client@studio.com | client123 | Client |
Local Development
# Install dependencies
npm install
# Set up database (Postgres must be running)
npx prisma migrate dev
npx tsx prisma/seed.ts
# Start dev server
npm run dev
Open http://localhost:3000.
Environment Variables
See .env.example for full reference. Key variables:
# Required
DATABASE_URL="postgresql://..."
AUTH_SECRET="your-32-char-secret"
NEXTAUTH_URL="http://localhost:3000"
# Storage (choose one)
STORAGE_PROVIDER="local" # local | uploadthing | s3 | r2 | b2 | minio
# UploadThing (if STORAGE_PROVIDER=uploadthing)
UPLOADTHING_SECRET="sk_live_..."
UPLOADTHING_APP_ID="..."
# AWS S3 / R2 / B2 compatible
S3_ACCESS_KEY_ID=""
S3_SECRET_ACCESS_KEY=""
S3_BUCKET_NAME=""
S3_REGION=""
S3_ENDPOINT="" # for R2/B2/MinIO
# Slack (optional)
SLACK_BOT_TOKEN=""
# Email (optional, nodemailer)
SMTP_HOST=""
SMTP_PORT="587"
SMTP_USER=""
SMTP_PASS=""
Project Structure
app/
(auth)/login/ — Sign-in page
(dashboard)/ — Protected dashboard layout
dashboard/ — Home stats + shot queue
projects/ — Project list + detail pages
settings/ — User profile
review/[versionId]/ — Full-screen review player
client/[token]/ — Unauthenticated client review link
api/
auth/[...nextauth]/ — NextAuth route handler
uploadthing/ — UploadThing route handler
notifications/ — Notification CRUD
projects/ — Projects REST endpoint
components/
player/ — ReviewPlayer, FrameTimeline, PlaybackControls
annotations/ — AnnotationCanvas, AnnotationTools
comments/ — CommentPanel (threads + replies)
versions/ — VersionUpload, VersionList
shots/ — ShotCard, NewShotDialog
projects/ — ProjectCard, NewProjectDialog
dashboard/ — StatsCards, ShotQueue, RecentActivity
layout/ — Sidebar, Header, NotificationBell, Providers
ui/ — shadcn/ui base components
actions/ — Server Actions (projects, shots, versions, comments, annotations, approvals)
lib/ — db, auth, utils, frame-utils, storage, slack, notifications, uploadthing
hooks/ — use-review-player (Zustand), use-annotations, use-frame-comments
prisma/ — schema.prisma, seed.ts
Review Player Keyboard Shortcuts
| Key | Action |
|---|---|
Space / K |
Play / Pause |
J |
Reverse playback |
L |
Forward playback |
← / → |
Step one frame |
F |
Toggle fullscreen |
Documentation
| Doc | Covers |
|---|---|
| RenderPipeline2.md | Render pipeline specification — normative design, state machine, API contracts |
| DELIVERY_WORKFLOW.md | Building and shipping delivery packages (how-to) |
| VFXReviewConnector.md | After Effects panel — setup, Shot Builder, QC, diagnostics |
| RenderWorker/README.md | Render worker service — packaging, install, validation, delivery builds |
| BlenderPanel/README.md | Blender add-on — queueing a .blend on the farm |
| EXT_API_REFERENCE.md | External API (/api/ext/*) used by the panel and workers |
| Shot task workflow.md | Shot and task lifecycle in the web app |
License
MIT