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xiaoxia-saas/infra/docker/api-base.Dockerfile
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saas-backend-agent dc5165bd5f
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fix(backend): #1896 修复字体映射补充开源字体文件
问题:DRAWTEXT_FONT_MAP把所有前端字体(思源宋体/苹方/微软雅黑/楷体/华康俪金黑)全部映射到 NotoSansSC,导致无论选什么字体成片都渲染为思源黑体;FONT_NAME_MAP 将楷体错误映射到 Noto Serif CJK SC(宋体)。

修复:
- packages/domain/video_filter_builder.py:
  * DRAWTEXT_FONT_MAP 每个字体映射到独立关键字:思源宋体→NotoSerifCJKsc,楷体→LXGWWenKai,苹方/微软雅黑/PingFang 明确标注fallback NotoSansSC(macOS/Windows 系统字体服务器不存在),华康俪金黑→NotoSansSC(商业字体版权风险,前端已移除,兼容老数据)
  * DRAWTEXT_FONT_SEARCH_PATHS 新增 NotoSerifCJKsc-VF.otf 和 LXGWWenKai-Regular.ttf 路径
- packages/domain/ass_subtitle_builder.py:
  * FONT_NAME_MAP 楷体映射到 'LXGW WenKai'(fc-list 验证注册名),思源宋体已正确映射 'Noto Serif CJK SC'(fonts-noto-cjk 包自带);新增 Microsoft YaHei/霞鹜文楷/华康俪金黑别名
- infra/fonts/ 新增两个开源字体文件(SIL Open Font License/Apache 2.0 免费可商用):
  * NotoSerifCJKsc-VF.otf(53MB,思源宋体可变字体,含多字重)
  * LXGWWenKai-Regular.ttf(25MB,霞鹜文楷开源楷体,v1.522)
- infra/docker/worker-base.Dockerfile + api-base.Dockerfile:
  * 保留 Serif .ttc(宋体fallback),仅删除 Sans .ttc(Mono变体问题)
  * COPY 新字体到镜像对应目录,fc-cache -fv 重建字体缓存
  * mkdir -p /usr/share/fonts/truetype/lxgw 确保楷体目录存在
- 字体大小总增量约 78MB(17M→95M),Docker 镜像分层缓存不会显著拉长构建时间

验证:
- 视频合成/ASS字幕/字幕滤镜三条渲染路径字体映射均独立正确
- fc-list 在本地实测可正确识别 'LXGW WenKai' / 'Noto Serif CJK SC' 注册名
- 苹方/微软雅黑等系统字体通过 NotoSansSC fallback 正常显示中文
- 存量数据(老数据选华康俪金黑/苹方等)继续渲染不中断
- 899 个字幕/滤镜/合成相关单测全通过,190 个writeback/filter/compose单测全通过
2026-09-14 20:54:26 +08:00

60 lines
2.7 KiB
Docker

# ============================================================
# API 基础镜像(预构建)
# 预装系统依赖 + Python 依赖,业务构建从此镜像开始
# 当 requirements-base.txt 或 requirements.txt 变更时重新构建
# 目标:将 API Image 构建时间从 15-20 分钟降至 3-5 分钟
# ============================================================
FROM git.xiaoxiajianji.com/xiaoxia/base/python:3.12-slim
# 使用阿里云镜像加速
RUN sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list.d/debian.sources 2>/dev/null || \
sed -i 's|deb.debian.org|mirrors.aliyun.com|g' /etc/apt/sources.list 2>/dev/null || true
# 预装系统依赖(gcc 编译 psycopg/pg 扩展,libpq-dev 编译期,libpq5 运行期,ffmpeg 封面取帧)
# 字体修复:fonts-noto-cjk 包的 Sans .ttc 文件混入了 Mono 变体,导致 Bold 匹配到等宽字体
# 解决方案:删除 Sans .ttc,保留 Serif .ttc;仓库内预下载 VF 可变字体(不含 Mono)
# #1896 补充开源字体:NotoSerifCJKsc-VF.otf(思源宋体)、LXGWWenKai-Regular.ttf(霞鹜文楷开源楷体)
RUN apt-get update && apt-get install -y --no-install-recommends \
gcc \
libpq-dev \
libpq5 \
ffmpeg \
fonts-noto-cjk \
&& rm -rf /var/lib/apt/lists/* \
# 删除有问题的 Sans .ttc(含 Mono 变体),保留 Serif .ttc 作为宋体 fallback
&& rm -f /usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc \
&& rm -f /usr/share/fonts/opentype/noto/NotoSansCJK-Bold.ttc \
&& mkdir -p /usr/share/fonts/truetype/lxgw
# 复制开源中文字体:思源黑体 VF + 思源宋体 VF(#1896)+ 霞鹜文楷(#1896,开源楷体)
COPY infra/fonts/NotoSansSC-VF.ttf /usr/share/fonts/opentype/noto/NotoSansSC-VF.ttf
COPY infra/fonts/NotoSerifCJKsc-VF.otf /usr/share/fonts/opentype/noto/NotoSerifCJKsc-VF.otf
COPY infra/fonts/LXGWWenKai-Regular.ttf /usr/share/fonts/truetype/lxgw/LXGWWenKai-Regular.ttf
RUN fc-cache -fv
# 创建虚拟环境
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
WORKDIR /tmp
# 预装 Python 基础依赖
COPY requirements-base.txt requirements.txt ./
RUN pip install --no-cache-dir \
-i https://mirrors.aliyun.com/pypi/simple/ \
--trusted-host mirrors.aliyun.com \
-r requirements-base.txt -r requirements.txt
# 虚拟环境瘦身
RUN find /opt/venv -name "*.so" -type f -exec strip --strip-all {} \; 2>/dev/null || true
RUN find /opt/venv -type d -name "__pycache__" -exec rm -rf {} + 2>/dev/null; \
find /opt/venv -name "*.pyc" -delete 2>/dev/null || true
# 清理临时文件
RUN rm -f /tmp/requirements-base.txt /tmp/requirements.txt
ENV PYTHONPATH=/app
# Rebuild trigger: ACR push retry 20260826