Added video studio router and endpoints. Added research router and endpoints. Added youtube router and endpoints. Added onboarding utils router and endpoints. Added onboarding utils service. Added onboarding utils models. Added onboarding utils routes. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils. Added onboarding utils utils.
This commit is contained in:
ajaysi
158
backend/routers/video_studio/endpoints/extend.py
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158
backend/routers/video_studio/endpoints/extend.py
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"""
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Video extension endpoints.
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"""
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from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Form, BackgroundTasks
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from sqlalchemy.orm import Session
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from typing import Optional, Dict, Any
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import uuid
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from ...database import get_db
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from ...models.content_asset_models import AssetSource, AssetType
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from ...services.video_studio import VideoStudioService
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from ...services.asset_service import ContentAssetService
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from ...utils.auth import get_current_user, require_authenticated_user
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from ...utils.logger_utils import get_service_logger
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logger = get_service_logger("video_studio.endpoints.extend")
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router = APIRouter()
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@router.post("/extend")
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async def extend_video(
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background_tasks: BackgroundTasks,
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file: UploadFile = File(..., description="Video file to extend"),
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prompt: str = Form(..., description="Text prompt describing how to extend the video"),
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model: str = Form("wan-2.5", description="Model to use: 'wan-2.5', 'wan-2.2-spicy', or 'seedance-1.5-pro'"),
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audio: Optional[UploadFile] = File(None, description="Optional audio file to guide generation (WAN 2.5 only)"),
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negative_prompt: Optional[str] = Form(None, description="Negative prompt (WAN 2.5 only)"),
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resolution: str = Form("720p", description="Output resolution: 480p, 720p, or 1080p (1080p WAN 2.5 only)"),
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duration: int = Form(5, description="Duration of extended video in seconds (varies by model)"),
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enable_prompt_expansion: bool = Form(False, description="Enable prompt optimizer (WAN 2.5 only)"),
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generate_audio: bool = Form(True, description="Generate audio for extended video (Seedance 1.5 Pro only)"),
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camera_fixed: bool = Form(False, description="Fix camera position (Seedance 1.5 Pro only)"),
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seed: Optional[int] = Form(None, description="Random seed for reproducibility"),
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current_user: Dict[str, Any] = Depends(get_current_user),
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db: Session = Depends(get_db),
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) -> Dict[str, Any]:
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"""
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Extend video duration using WAN 2.5, WAN 2.2 Spicy, or Seedance 1.5 Pro video-extend.
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Takes a short video clip and extends it with motion/audio continuity.
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"""
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try:
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user_id = require_authenticated_user(current_user)
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if not file.content_type.startswith('video/'):
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raise HTTPException(status_code=400, detail="File must be a video")
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# Validate model-specific constraints
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if model in ("wan-2.2-spicy", "wavespeed-ai/wan-2.2-spicy/video-extend"):
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if duration not in [5, 8]:
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raise HTTPException(status_code=400, detail="WAN 2.2 Spicy only supports 5 or 8 second durations")
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if resolution not in ["480p", "720p"]:
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raise HTTPException(status_code=400, detail="WAN 2.2 Spicy only supports 480p or 720p resolution")
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if audio:
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raise HTTPException(status_code=400, detail="Audio is not supported for WAN 2.2 Spicy")
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elif model in ("seedance-1.5-pro", "bytedance/seedance-v1.5-pro/video-extend"):
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if duration < 4 or duration > 12:
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raise HTTPException(status_code=400, detail="Seedance 1.5 Pro only supports 4-12 second durations")
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if resolution not in ["480p", "720p"]:
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raise HTTPException(status_code=400, detail="Seedance 1.5 Pro only supports 480p or 720p resolution")
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if audio:
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raise HTTPException(status_code=400, detail="Audio upload is not supported for Seedance 1.5 Pro (use generate_audio instead)")
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else:
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# WAN 2.5 validation
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if duration < 3 or duration > 10:
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raise HTTPException(status_code=400, detail="WAN 2.5 duration must be between 3 and 10 seconds")
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if resolution not in ["480p", "720p", "1080p"]:
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raise HTTPException(status_code=400, detail="WAN 2.5 resolution must be 480p, 720p, or 1080p")
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# Initialize services
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video_service = VideoStudioService()
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asset_service = ContentAssetService(db)
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logger.info(f"[VideoStudio] Video extension request: user={user_id}, model={model}, duration={duration}s, resolution={resolution}")
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# Read video file
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video_data = await file.read()
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# Read audio file if provided (WAN 2.5 only)
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audio_data = None
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if audio:
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if model in ("wan-2.2-spicy", "wavespeed-ai/wan-2.2-spicy/video-extend", "seedance-1.5-pro", "bytedance/seedance-v1.5-pro/video-extend"):
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raise HTTPException(status_code=400, detail=f"Audio upload is not supported for {model} model")
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if not audio.content_type.startswith('audio/'):
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raise HTTPException(status_code=400, detail="Audio file must be an audio file")
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# Validate audio file size (max 15MB per documentation)
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audio_data = await audio.read()
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if len(audio_data) > 15 * 1024 * 1024:
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raise HTTPException(status_code=400, detail="Audio file must be less than 15MB")
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# Note: Audio duration validation (3-30s) would require parsing the audio file
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# This is handled by the API, but we could add it here if needed
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# Extend video
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result = await video_service.extend_video(
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video_data=video_data,
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prompt=prompt,
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model=model,
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audio_data=audio_data,
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negative_prompt=negative_prompt,
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resolution=resolution,
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duration=duration,
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enable_prompt_expansion=enable_prompt_expansion,
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generate_audio=generate_audio,
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camera_fixed=camera_fixed,
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seed=seed,
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user_id=user_id,
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)
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if not result.get("success"):
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raise HTTPException(
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status_code=500,
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detail=f"Video extension failed: {result.get('error', 'Unknown error')}"
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)
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# Store extended version in asset library
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video_url = result.get("video_url")
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if video_url:
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asset_metadata = {
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"original_file": file.filename,
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"prompt": prompt,
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"duration": duration,
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"resolution": resolution,
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"generation_type": "extend",
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"model": result.get("model_used", "alibaba/wan-2.5/video-extend"),
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}
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asset_service.create_asset(
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user_id=user_id,
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filename=f"extended_{uuid.uuid4().hex[:8]}.mp4",
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file_url=video_url,
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asset_type=AssetType.VIDEO,
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source_module=AssetSource.VIDEO_STUDIO,
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asset_metadata=asset_metadata,
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cost=result.get("cost", 0),
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tags=["video_studio", "extend", "ai-extended"]
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)
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logger.info(f"[VideoStudio] Video extension successful: user={user_id}, url={video_url}")
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return {
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"success": True,
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"video_url": video_url,
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"cost": result.get("cost", 0),
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"duration": duration,
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"resolution": resolution,
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"model_used": result.get("model_used", "alibaba/wan-2.5/video-extend"),
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}
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except HTTPException:
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raise
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except Exception as e:
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logger.error(f"[VideoStudio] Video extension error: {e}", exc_info=True)
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raise HTTPException(status_code=500, detail=f"Video extension failed: {str(e)}")
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