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如何使用Aana SDK实现视频转录功能?

2025-08-28 1.3 K

通过 Whisper 模型实现视频转录可分为四个关键步骤:

1. 应用初始化

establish app.py 并导入 SDK:
from aana.sdk import AanaSDK
app = AanaSDK(name="video_app")

2. 模型部署配置

注册 Whisper 部署实例(支持 GPU 资源分配):
app.register_deployment(
  "whisper",
  WhisperDeployment.options(
    ray_actor_options={"num_gpus": 0.25},
    user_config=WhisperConfig(...)
  )
)

3. 定义API端点

创建转录处理函数:
@app.aana_endpoint(name="transcribe_video")
async def transcribe_video(self, video: VideoInput):
  audio = await self.download(video.url)
  return await self.whisper.transcribe(audio)

4. 启动与测试

(of a computer) run python app.py serve 后,可通过:
– Swagger UI(/docs 路径)交互测试
– cURL 发送视频 URL 请求
实时结果会以 JSON 格式返回。

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