Files
yingqing/core/backend/apps/ai/media_probe.py
T
zycandClaude Fable 5 c5f7eb2acc feat(ai): 自由创作视频生成全量移植(/free-create)——Seedance 文/图生视频+按时长计费+人物素材库
后端:
- free_video.py: 提交/轮询/收藏/软删全链路,复用 AITask(新增 is_deleted/is_favorited, migration 0022)
- video_pricing.py: 按时长 token 计费(×1.10 buffer+clamp); video_errors.py 错误归一; media_probe.py 时长探测
- catalog/volcano: Seedance free-video 模型接入+seed(migration 0023)
- 素材库: FreeAssetGroup/FreeAsset(火山 Assets API 引用登记, migration 0009)+ 上传/轮询/删除接口
- settings: FREE_VIDEO_MAX_CONCURRENT 团队并发闸(默认3); CELERY_TASK_ALWAYS_EAGER 本地联调开关(生产恒关)
- 测试: test_free_video.py 新增; billing/products/projects tests 配套调整

前端:
- /free-create 页面+components/free-create/ 全套(输入栏/@mention 素材引用/生成卡/视频详情弹窗/素材库弹窗)
- api.ts/types.ts 扩展 free-video 与 free-assets 接口; 路由/侧边栏入口接入

bug/: 测试清单 (11)(12) 与截图归档

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 10:58:36 +08:00

47 lines
1.6 KiB
Python

"""自由创作·上传素材探测(移植自 jimeng-clone utils/media_utils.py)。
ffprobe 取视频/音频时长、ffmpeg 抽视频首帧缩略图。生产镜像已带 ffmpeg
(_generate_video_poster 在用)。全部 best-effort:探测失败返回 None,由调用方决定拒绝或放行。
"""
import subprocess
import tempfile
from pathlib import Path
def probe_duration(file_path: str) -> float | None:
"""ffprobe 取媒体时长(秒)。失败返回 None。"""
try:
proc = subprocess.run(
[
"ffprobe", "-v", "error",
"-show_entries", "format=duration",
"-of", "default=noprint_wrappers=1:nokey=1",
str(file_path),
],
capture_output=True,
timeout=30,
)
if proc.returncode != 0:
return None
return float(proc.stdout.decode().strip())
except Exception: # noqa: BLE001
return None
def extract_video_poster(file_path: str) -> bytes | None:
"""ffmpeg 抽视频首帧 jpg 字节。失败返回 None。"""
try:
with tempfile.TemporaryDirectory(prefix="airshelf-freeprobe-") as tmp:
poster_path = Path(tmp) / "poster.jpg"
proc = subprocess.run(
["ffmpeg", "-y", "-ss", "0", "-i", str(file_path), "-frames:v", "1", "-q:v", "3", str(poster_path)],
capture_output=True,
timeout=60,
)
if proc.returncode != 0 or not poster_path.exists():
return None
data = poster_path.read_bytes()
return data or None
except Exception: # noqa: BLE001
return None