LingYing Agent
32c3d2f263
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根因分析（退出码 234 = Invalid argument）： 1) drawtext 使用了无效参数 font=bold，导致整个 filter_complex 解析失败 —— FFmpeg drawtext 没有 bold 参数；改为通过 borderw 模拟粗体视觉效果 2) DRAWTEXT_FONT_SEARCH_PATHS 未包含 Dockerfile 中 COPY 的 NotoSansSC-VF.ttf 路径，且把不支持中文的 DejaVuSans 放在 fallback 首位， 导致字体 fallback 到拉丁字体，中文渲染乱码/方框 3) build_broll_overlay_filter 硬编码 1280:720 横屏尺寸，AI 数字人是 9:16 竖屏 4) B-roll PIP 输入索引错误（用 len(sorted_segments) 而非原始下标映射）， PIP 标签链断裂（[pip0]→[vout0] 而非 [vout]） 5) 渲染命令缺 -map 0:a?，合成后音频丢失 6) 标题滤镜与 B-roll 输出标签拼接用分号有缺陷，末尾分号处理偶发问题 修复内容（packages/domain/video_filter_builder.py）： - DRAWTEXT_FONT_SEARCH_PATHS: VF 字体置顶、移除 DejaVuSans、加 Bold.ttc 路径 - DRAWTEXT_FONT_MAP: 思源黑体等关键字改为 NotoSansSC（匹配 VF 文件名） - 删除 font=bold 无效参数；bold 无显式描边时自动用 borderw=3+同色描边模拟粗体 - build_broll_overlay_filter 返回 (filter_str, final_label) 元组，解决标签问题 - 重写 fullscreen/PIP 拆分：原始列表下标决定 -i 输入序号，sorted 只用于时序处理 - PIP overlay 正确基于 fullscreen 输出（[vout_fs]）或主视频（[0:v]）链接 - output_width/output_height 贯穿所有 scale/pad/overlay，默认 1280x720 兼容旧调用 修复内容（apps/api/app/services/ai_avatar_render_service.py）： - 新增 _probe_video_resolution() 用 ffprobe 探测输入视频实际分辨率 - AI 数字人默认竖屏 720x1280，探测失败兜底不阻断渲染 - build_broll_overlay_filter 调用传实际 output_width/output_height - 标题滤镜传实际尺寸，保证位置/坐标计算正确 - filter_complex 拼接重写：broll+title/broll-only/title-only/无滤镜四分支清晰 - _build_ffmpeg_command 补 -map 0:a? + -c:a aac，音频不再丢失 - 清理冗余内联 import 测试： - 更新 test_ai_avatar_render_routes.py / test_video_filter_builder.py 适配新元组签名 - 新增 test_bold_true_does_not_use_font_bold_param 防回归 - 本地 ffmpeg 实测中文标题+B-roll+竖屏720x1280合成成功 - 相关 3524 个单测全通过
xiaoxia-saas API
结构
app/core/：配置与基础能力app/api/：路由组织app/schemas/：请求响应模型app/dependencies.py：依赖注入入口main.py：FastAPI 启动入口
当前可用接口
GET /api/healthGET /api/projects?workspace_id=...POST /api/projects