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from fastapi import APIRouter, BackgroundTasks
from loguru import logger
import os
from app.models.schema_v2 import (
GenerateScriptRequest,
GenerateScriptResponse,
CropVideoRequest,
CropVideoResponse,
DownloadVideoRequest,
DownloadVideoResponse,
StartSubclipRequest,
StartSubclipResponse
)
from app.models.schema import VideoClipParams
from app.services.script_service import ScriptGenerator
from app.services.video_service import VideoService
from app.utils import utils
from app.controllers.v2.base import v2_router
from app.models.schema import VideoClipParams
from app.services.youtube_service import YoutubeService
from app.services import task as task_service
router = v2_router()
@router.post(
"/scripts/generate",
response_model=GenerateScriptResponse,
summary="同步请求；生成视频脚本 (V2)"
)
async def generate_script(
request: GenerateScriptRequest,
background_tasks: BackgroundTasks
):
"""
生成视频脚本的V2版本API
"""
task_id = utils.get_uuid()
try:
generator = ScriptGenerator()
script = await generator.generate_script(
video_path=request.video_path,
video_theme=request.video_theme,
custom_prompt=request.custom_prompt,
skip_seconds=request.skip_seconds,
threshold=request.threshold,
vision_batch_size=request.vision_batch_size,
vision_llm_provider=request.vision_llm_provider
)
return {
"task_id": task_id,
"script": script
}
except Exception as e:
logger.exception(f"Generate script failed: {str(e)}")
raise
@router.post(
"/scripts/crop",
response_model=CropVideoResponse,
summary="同步请求；裁剪视频 (V2)"
)
async def crop_video(
request: CropVideoRequest,
background_tasks: BackgroundTasks
):
"""
根据脚本裁剪视频的V2版本API
"""
try:
# 调用视频裁剪服务
video_service = VideoService()
task_id, subclip_videos = await video_service.crop_video(
video_path=request.video_origin_path,
video_script=request.video_script
)
logger.debug(f"裁剪视频成功，视频片段路径: {subclip_videos}")
logger.debug(type(subclip_videos))
return {
"task_id": task_id,
"subclip_videos": subclip_videos
}
except Exception as e:
logger.exception(f"Crop video failed: {str(e)}")
raise
@router.post(
"/youtube/download",
response_model=DownloadVideoResponse,
summary="同步请求；下载YouTube视频 (V2)"
)
async def download_youtube_video(
request: DownloadVideoRequest,
background_tasks: BackgroundTasks
):
"""
下载指定分辨率的YouTube视频
"""
try:
youtube_service = YoutubeService()
task_id, output_path, filename = await youtube_service.download_video(
url=request.url,
resolution=request.resolution,
output_format=request.output_format,
rename=request.rename
)
return {
"task_id": task_id,
"output_path": output_path,
"resolution": request.resolution,
"format": request.output_format,
"filename": filename
}
except Exception as e:
logger.exception(f"Download YouTube video failed: {str(e)}")
raise
@router.post(
"/scripts/start-subclip",
response_model=StartSubclipResponse,
summary="异步请求；开始视频剪辑任务 (V2)"
)
async def start_subclip(
request: VideoClipParams,
task_id: str,
subclip_videos: dict,
background_tasks: BackgroundTasks
):
"""
开始视频剪辑任务的V2版本API
"""
try:
# 构建参数对象
params = VideoClipParams(
video_origin_path=request.video_origin_path,
video_clip_json_path=request.video_clip_json_path,
voice_name=request.voice_name,
voice_rate=request.voice_rate,
voice_pitch=request.voice_pitch,
subtitle_enabled=request.subtitle_enabled,
video_aspect=request.video_aspect,
n_threads=request.n_threads
)
# 在后台任务中执行视频剪辑
background_tasks.add_task(
task_service.start_subclip,
task_id=task_id,
params=params,
subclip_path_videos=subclip_videos
)
return {
"task_id": task_id,
"state": "PROCESSING" # 初始状态
}
except Exception as e:
logger.exception(f"Start subclip task failed: {str(e)}")
raise
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