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
206
backend/services/video_studio/face_swap_service.py
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206
backend/services/video_studio/face_swap_service.py
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"""
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Face Swap service for Video Studio.
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Supports two models:
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1. MoCha (wavespeed-ai/wan-2.1/mocha) - Character replacement with motion preservation
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2. Video Face Swap (wavespeed-ai/video-face-swap) - Simple face swap with multi-face support
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"""
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import base64
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from typing import Dict, Any, Optional, Callable
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from fastapi import HTTPException
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from utils.logger_utils import get_service_logger
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from ..wavespeed.client import WaveSpeedClient
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logger = get_service_logger("video_studio.face_swap")
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class FaceSwapService:
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"""Service for face/character swap operations."""
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def __init__(self):
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"""Initialize Face Swap service."""
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self.wavespeed_client = WaveSpeedClient()
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logger.info("[FaceSwap] Service initialized")
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def calculate_cost(self, model: str, resolution: Optional[str] = None, duration: float = 10.0) -> float:
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"""
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Calculate cost for face swap operation.
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Args:
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model: Model to use ("mocha" or "video-face-swap")
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resolution: Output resolution for MoCha ("480p" or "720p"), ignored for video-face-swap
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duration: Video duration in seconds
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Returns:
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Cost in USD
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"""
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if model == "video-face-swap":
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# Video Face Swap pricing: $0.01/s
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# Minimum charge: 5 seconds
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# Maximum: 600 seconds (10 minutes)
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cost_per_second = 0.01
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billed_duration = max(5.0, min(duration, 600.0))
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return cost_per_second * billed_duration
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else:
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# MoCha pricing: $0.04/s (480p), $0.08/s (720p)
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# Minimum charge: 5 seconds
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# Maximum billed: 120 seconds
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pricing = {
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"480p": 0.04,
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"720p": 0.08,
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}
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cost_per_second = pricing.get(resolution or "480p", pricing["480p"])
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billed_duration = max(5.0, min(duration, 120.0))
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return cost_per_second * billed_duration
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async def swap_face(
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self,
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image_data: bytes,
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video_data: bytes,
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model: str = "mocha",
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prompt: Optional[str] = None,
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resolution: str = "480p",
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seed: Optional[int] = None,
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target_gender: str = "all",
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target_index: int = 0,
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user_id: str = None,
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progress_callback: Optional[Callable[[float, str], None]] = None,
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) -> Dict[str, Any]:
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"""
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Perform face/character swap using MoCha or Video Face Swap.
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Args:
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image_data: Reference image as bytes
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video_data: Source video as bytes
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model: Model to use ("mocha" or "video-face-swap")
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prompt: Optional prompt to guide the swap (MoCha only)
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resolution: Output resolution for MoCha ("480p" or "720p")
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seed: Random seed for reproducibility (MoCha only)
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target_gender: Filter which faces to swap (video-face-swap only: "all", "female", "male")
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target_index: Select which face to swap (video-face-swap only: 0 = largest)
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user_id: User ID for tracking
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progress_callback: Optional callback for progress updates
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Returns:
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Dict with swapped video_url, cost, and metadata
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"""
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try:
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logger.info(
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f"[FaceSwap] Face swap request: user={user_id}, "
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f"model={model}, resolution={resolution if model == 'mocha' else 'N/A'}"
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)
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if not user_id:
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raise ValueError("user_id is required for face swap")
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# Validate model
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if model not in ("mocha", "video-face-swap"):
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raise ValueError("Model must be 'mocha' or 'video-face-swap'")
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# Convert image to base64 data URI
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image_b64 = base64.b64encode(image_data).decode('utf-8')
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image_uri = f"data:image/png;base64,{image_b64}"
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# Convert video to base64 data URI
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video_b64 = base64.b64encode(video_data).decode('utf-8')
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video_uri = f"data:video/mp4;base64,{video_b64}"
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# Estimate duration (we'll use a default, actual duration would come from video metadata)
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estimated_duration = 10.0 # Default estimate, should be improved with actual video duration
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# Calculate cost estimate
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cost = self.calculate_cost(model, resolution if model == "mocha" else None, estimated_duration)
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if progress_callback:
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model_name = "MoCha" if model == "mocha" else "Video Face Swap"
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progress_callback(10.0, f"Submitting face swap request to {model_name}...")
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# Perform face swap based on model
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if model == "mocha":
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# Validate resolution for MoCha
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if resolution not in ("480p", "720p"):
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raise ValueError("Resolution must be '480p' or '720p' for MoCha")
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# face_swap is synchronous (uses sync_mode internally)
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swapped_video_bytes = self.wavespeed_client.face_swap(
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image=image_uri,
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video=video_uri,
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prompt=prompt,
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resolution=resolution,
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seed=seed,
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enable_sync_mode=True,
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timeout=600, # 10 minutes timeout
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progress_callback=progress_callback,
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)
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else: # video-face-swap
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# video_face_swap is synchronous (uses sync_mode internally)
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swapped_video_bytes = self.wavespeed_client.video_face_swap(
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video=video_uri,
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face_image=image_uri,
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target_gender=target_gender,
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target_index=target_index,
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enable_sync_mode=True,
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timeout=600, # 10 minutes timeout
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progress_callback=progress_callback,
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)
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if progress_callback:
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progress_callback(90.0, "Face swap complete, saving video...")
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# Save swapped video
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from . import VideoStudioService
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video_service = VideoStudioService()
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save_result = video_service._save_video_file(
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video_bytes=swapped_video_bytes,
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operation_type="face_swap",
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user_id=user_id,
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)
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# Recalculate cost with actual duration if available
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# For now, use estimated cost
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actual_cost = cost
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logger.info(
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f"[FaceSwap] Face swap successful: user={user_id}, "
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f"resolution={resolution}, cost=${actual_cost:.4f}"
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)
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metadata = {
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"original_image_size": len(image_data),
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"original_video_size": len(video_data),
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"swapped_video_size": len(swapped_video_bytes),
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"model": model,
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}
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if model == "mocha":
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metadata.update({
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"resolution": resolution,
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"seed": seed,
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"prompt": prompt,
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})
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else: # video-face-swap
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metadata.update({
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"target_gender": target_gender,
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"target_index": target_index,
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})
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return {
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"success": True,
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"video_url": save_result["file_url"],
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"video_bytes": swapped_video_bytes,
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"cost": actual_cost,
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"model": model,
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"resolution": resolution if model == "mocha" else None,
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"metadata": metadata,
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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"[FaceSwap] Face swap error: {e}", exc_info=True)
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return {
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"success": False,
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"error": str(e)
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}
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