Upload 4 files
Browse files- Dockerfile +25 -10
- README.md +3 -4
- app.py +306 -0
- requirements.txt +7 -0
Dockerfile
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@@ -1,10 +1,25 @@
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FROM python:3.9-slim
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WORKDIR /app
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# 安装FFmpeg
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RUN apt-get update && \
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apt-get install -y ffmpeg && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/*
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# 安装Python依赖
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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# 复制应用代码
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COPY . .
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# 创建必要的目录
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RUN mkdir -p temp
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# 暴露端口
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EXPOSE 8000
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# 运行应用
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CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000"]
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README.md
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@@ -1,10 +1,9 @@
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---
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title:
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emoji: 👩🎨
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colorFrom: red
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colorTo: yellow
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sdk: docker
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pinned: false
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app_port:
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---
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---
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title: comic
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emoji: 👩🎨
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colorFrom: red
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colorTo: yellow
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sdk: docker
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pinned: false
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app_port: 8000
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---
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app.py
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from fastapi import FastAPI, HTTPException, BackgroundTasks
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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from typing import List
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import os
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import uuid
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import aiohttp
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import asyncio
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import logging
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import tempfile
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import openai
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from pathlib import Path
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import webdav3.client as wc
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import subprocess
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import shutil
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# 配置日志
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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# 环境变量
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OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
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OPENAI_BASE_URL = os.getenv("OPENAI_BASE_URL", "https://api.openai.com/v1")
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WEBDAV_URL = os.getenv("WEBDAV_URL")
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WEBDAV_USERNAME = os.getenv("WEBDAV_USERNAME")
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WEBDAV_PASSWORD = os.getenv("WEBDAV_PASSWORD")
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# 初始化OpenAI
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openai.api_key = OPENAI_API_KEY
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if OPENAI_BASE_URL:
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openai.api_base = OPENAI_BASE_URL
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app = FastAPI()
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# 配置CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # 生产环境中应该限制来源
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# 请求模型
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class ComicData(BaseModel):
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captions: List[str]
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speeches: List[str]
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panels: List[str] # 图片URLs
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# WebDAV客户端配置
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def get_webdav_client():
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options = {
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'webdav_hostname': WEBDAV_URL,
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'webdav_login': WEBDAV_USERNAME,
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'webdav_password': WEBDAV_PASSWORD
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}
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return wc.Client(options)
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# 下载图片
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async def download_image(session, url, output_path):
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try:
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async with session.get(url) as response:
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if response.status == 200:
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with open(output_path, 'wb') as f:
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f.write(await response.read())
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return output_path
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else:
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logger.error(f"Failed to download image: {response.status}")
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return None
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except Exception as e:
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logger.error(f"Error downloading image: {e}")
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return None
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# 生成语音
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async def generate_speech(text, voice="alloy", output_path=None):
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try:
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if not output_path:
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output_path = f"{uuid.uuid4()}.mp3"
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response = await openai.audio.speech.create(
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model="tts-1",
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voice=voice,
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input=text
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)
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response.stream_to_file(output_path)
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return output_path
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except Exception as e:
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logger.error(f"Error generating speech: {e}")
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return None
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# 创建视频
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def create_video(project_dir, image_paths, subtitle_file, audio_file, output_video):
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try:
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# 创建帧列表文件
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frames_list = os.path.join(project_dir, "frames.txt")
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with open(frames_list, "w") as f:
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for img in image_paths:
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# 每个图片显示5秒
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f.write(f"file '{img}'\n")
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f.write(f"duration 5\n")
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# 最后一张图片需要单独添加,否则会被忽略
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f.write(f"file '{image_paths[-1]}'\n")
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# 使用FFmpeg创建视频
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cmd = [
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"ffmpeg", "-y",
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"-f", "concat", "-safe", "0", "-i", frames_list,
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"-i", audio_file,
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"-vf", f"subtitles={subtitle_file}",
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"-c:v", "libx264", "-pix_fmt", "yuv420p",
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"-c:a", "aac", "-strict", "experimental",
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output_video
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]
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subprocess.run(cmd, check=True)
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return output_video
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except Exception as e:
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logger.error(f"Error creating video: {e}")
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return None
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# 创建字幕文件
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def create_subtitle_file(project_dir, captions, speeches):
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try:
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subtitle_file = os.path.join(project_dir, "subtitles.srt")
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with open(subtitle_file, "w", encoding="utf-8") as f:
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subtitle_index = 1
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current_time = 0
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# 处理每个面板的字幕和对话
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for i, (caption, speech) in enumerate(zip(captions, speeches)):
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# 每个面板展示5秒
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panel_duration = 5
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# 字幕开始和结束时间
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start_time = current_time
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# 字幕显示
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if caption:
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end_time = start_time + 2.5
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f.write(f"{subtitle_index}\n")
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f.write(f"{format_time(start_time)} --> {format_time(end_time)}\n")
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f.write(f"{caption}\n\n")
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subtitle_index += 1
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# 对话显示
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if speech:
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speech_start = start_time + 2.5 if caption else start_time
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speech_end = current_time + panel_duration
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f.write(f"{subtitle_index}\n")
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f.write(f"{format_time(speech_start)} --> {format_time(speech_end)}\n")
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f.write(f"{speech}\n\n")
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subtitle_index += 1
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current_time += panel_duration
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return subtitle_file
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except Exception as e:
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logger.error(f"Error creating subtitle file: {e}")
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return None
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# 格式化时间为SRT格式
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def format_time(seconds):
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hours = int(seconds / 3600)
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minutes = int((seconds % 3600) / 60)
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secs = int(seconds % 60)
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millisecs = int((seconds - int(seconds)) * 1000)
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return f"{hours:02}:{minutes:02}:{secs:02},{millisecs:03}"
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# 创建音频文件
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async def create_audio_file(project_dir, captions, speeches):
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try:
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audio_parts = []
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current_time = 0
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# 为每个面板生成音频
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for i, (caption, speech) in enumerate(zip(captions, speeches)):
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# 每个面板的旁白
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if caption:
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caption_audio = os.path.join(project_dir, f"caption_{i}.mp3")
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await generate_speech(caption, "alloy", caption_audio)
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audio_parts.append(caption_audio)
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# 每个面板的对话
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if speech:
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speech_audio = os.path.join(project_dir, f"speech_{i}.mp3")
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await generate_speech(speech, "echo", speech_audio)
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audio_parts.append(speech_audio)
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# 合并所有音频部分
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combined_audio = os.path.join(project_dir, "combined_audio.mp3")
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193 |
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# 使用FFmpeg合并音频
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audio_list = os.path.join(project_dir, "audio_list.txt")
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196 |
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with open(audio_list, "w") as f:
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for audio in audio_parts:
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f.write(f"file '{audio}'\n")
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199 |
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subprocess.run([
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"ffmpeg", "-y", "-f", "concat", "-safe", "0",
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"-i", audio_list, "-c", "copy", combined_audio
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], check=True)
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204 |
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return combined_audio
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206 |
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except Exception as e:
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207 |
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logger.error(f"Error creating audio file: {e}")
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return None
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209 |
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210 |
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# 上传到WebDAV
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211 |
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def upload_to_webdav(local_path, remote_path):
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212 |
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try:
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client = get_webdav_client()
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214 |
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215 |
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# 确保远程目录存在
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216 |
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remote_dir = os.path.dirname(remote_path)
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217 |
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if not client.check(remote_dir):
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client.mkdir(remote_dir)
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219 |
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# 上传文件
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client.upload_sync(local_path=local_path, remote_path=remote_path)
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# 获取公共URL
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224 |
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return f"{WEBDAV_URL}/{remote_path}"
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except Exception as e:
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226 |
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logger.error(f"Error uploading to WebDAV: {e}")
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227 |
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return None
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228 |
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229 |
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@app.post("/api/generate-video")
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230 |
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async def generate_video(comic_data: ComicData, background_tasks: BackgroundTasks):
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# 创建唯一项目ID
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232 |
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project_id = str(uuid.uuid4())
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233 |
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project_dir = f"temp/{project_id}"
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os.makedirs(project_dir, exist_ok=True)
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try:
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# 下载图片
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238 |
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image_paths = []
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239 |
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async with aiohttp.ClientSession() as session:
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240 |
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download_tasks = []
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241 |
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for i, panel_url in enumerate(comic_data.panels):
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output_path = os.path.join(project_dir, f"panel_{i}.jpg")
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243 |
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download_tasks.append(download_image(session, panel_url, output_path))
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244 |
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image_paths = await asyncio.gather(*download_tasks)
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246 |
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image_paths = [p for p in image_paths if p] # 过滤失败的下载
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247 |
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248 |
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if not image_paths:
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249 |
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raise HTTPException(status_code=500, detail="Failed to download images")
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250 |
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251 |
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# 创建字幕文件
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252 |
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subtitle_file = create_subtitle_file(project_dir, comic_data.captions, comic_data.speeches)
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253 |
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if not subtitle_file:
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254 |
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raise HTTPException(status_code=500, detail="Failed to create subtitle file")
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255 |
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256 |
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# 创建音频文件
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257 |
+
audio_file = await create_audio_file(project_dir, comic_data.captions, comic_data.speeches)
|
258 |
+
if not audio_file:
|
259 |
+
raise HTTPException(status_code=500, detail="Failed to create audio file")
|
260 |
+
|
261 |
+
# 创建视频
|
262 |
+
output_video = os.path.join(project_dir, "output.mp4")
|
263 |
+
result = create_video(project_dir, image_paths, subtitle_file, audio_file, output_video)
|
264 |
+
if not result:
|
265 |
+
raise HTTPException(status_code=500, detail="Failed to create video")
|
266 |
+
|
267 |
+
# 创建WebDAV目录结构
|
268 |
+
webdav_base_path = f"comic_videos/{project_id}"
|
269 |
+
|
270 |
+
# 上传所有资源到WebDAV
|
271 |
+
video_url = upload_to_webdav(output_video, f"{webdav_base_path}/video.mp4")
|
272 |
+
subtitle_url = upload_to_webdav(subtitle_file, f"{webdav_base_path}/subtitles.srt")
|
273 |
+
audio_url = upload_to_webdav(audio_file, f"{webdav_base_path}/audio.mp3")
|
274 |
+
|
275 |
+
# 上传图片
|
276 |
+
image_urls = []
|
277 |
+
for i, img_path in enumerate(image_paths):
|
278 |
+
remote_path = f"{webdav_base_path}/images/panel_{i}.jpg"
|
279 |
+
img_url = upload_to_webdav(img_path, remote_path)
|
280 |
+
if img_url:
|
281 |
+
image_urls.append(img_url)
|
282 |
+
|
283 |
+
# 后台任务清理临时文件
|
284 |
+
background_tasks.add_task(lambda: shutil.rmtree(project_dir, ignore_errors=True))
|
285 |
+
|
286 |
+
return {
|
287 |
+
"videoUrl": video_url,
|
288 |
+
"subtitleUrl": subtitle_url,
|
289 |
+
"audioUrl": audio_url,
|
290 |
+
"imageUrls": image_urls,
|
291 |
+
"projectId": project_id
|
292 |
+
}
|
293 |
+
except Exception as e:
|
294 |
+
# 清理临时文件
|
295 |
+
shutil.rmtree(project_dir, ignore_errors=True)
|
296 |
+
logger.error(f"Error generating video: {e}")
|
297 |
+
raise HTTPException(status_code=500, detail=str(e))
|
298 |
+
|
299 |
+
# 健康检查端点health
|
300 |
+
@app.get("/")
|
301 |
+
async def health_check():
|
302 |
+
return {"status": "ok"}
|
303 |
+
|
304 |
+
if __name__ == "__main__":
|
305 |
+
import uvicorn
|
306 |
+
uvicorn.run(app, host="0.0.0.0", port=8000)
|
requirements.txt
ADDED
@@ -0,0 +1,7 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
+
fastapi>=0.95.0
|
2 |
+
uvicorn>=0.21.1
|
3 |
+
aiohttp>=3.8.4
|
4 |
+
openai>=1.2.0
|
5 |
+
python-multipart>=0.0.6
|
6 |
+
webdavclient3>=3.14.6
|
7 |
+
pydantic>=1.10.7
|