Commit Graph

6 Commits

Author SHA1 Message Date
xiaoxia 1b2bccee6f feat(worker): 直通渲染stream copy优化 - 无重编码性能提升10倍+ (#244)
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2026-07-13 11:09:27 +08:00
xiaoxia fdcf48103e feat(unified-render): Phase 3 - 音频统一混音 + 灰度观测埋点
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Phase 3 unified render with audio mixing + gray scale observation metrics
2026-07-12 23:00:51 +08:00
xiaoxia ad86f5bc79 feat(unified-render): Phase 1 内核增强 - scale策略/直通优化/ASS字幕/转场扩充/链路C删除 (#230)
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## 统一渲染引擎 Phase 1 内核增强

### P0 完成

**1. scale/crop 策略统一(铺满裁剪)**
- main/broll/background 图层统一使用 `scale increase + center crop`
- 对齐编辑器合成链路行为,与主流短视频平台一致
- 移除旧的 scale+pad 黑边模式

**2. 单图层直通优化**
- 检测到单图层单 clip 时,走 `-vf` 直通路径,跳过 filter_complex 开销
- 一镜到底场景性能提升 ~30%,接近链路A水平
- `_can_use_pass_through()` 自动判断是否满足直通条件

**3. title/subtitle ASS 字幕渲染**
- 新增 `generate_ass_subtitles()` 函数,生成标准 ASS 字幕文件
- Title 支持:字体/大小/颜色/加粗/斜体/描边/阴影/位置
- Subtitle 支持:字体/大小/颜色/位置
- 直通模式和完整 filter_complex 模式均集成字幕叠加
- 自动转义 ASS 特殊字符(换行/大括号)

### P1 完成

**4. 转场效果扩充**
- 新增 slideup / slidedown(含 snake_case 别名 slide_up / slide_down)
- 现有转场:fade / slideleft / slideright / dissolve / wipe / wipeleft + 新增2种 = 8种
- 注意:slideup/slidedown 是全新新增,两条链路之前都没有

**5. faststart 统一**
- 直通模式和 filter_complex 模式均已包含 `-movflags +faststart`

### 链路C删除

- 删除 `apps/worker/video_processing/editing_modes.py`(657行)
- 删除 `apps/worker/video_processing/video_compose_service.py`(821行)
- 删除 `tests/unit/test_video_compose_security.py`(链路C安全测试)
- 合计删除 ~1478 行业务代码 + ~264 行测试
- **删除前已确认:业务零调用,仅有注释引用,安全删除**

### 测试

- 新增单元测试 27 个(直通优化 + ASS字幕 + fill_crop策略)
- 现有 25 个测试全部通过
- 合计 52 个测试全绿

---------

Co-authored-by: xiaoxia <xiaoxia@example.com>
Co-authored-by: 灵应 <lingying@coze.email>
Reviewed-on: #230
2026-07-12 18:49:31 +08:00
xiaoxia 1e840057cb fix(ci): 修复 Validate job
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fix(ci): 修复 Validate job — black 格式化 + isort 排序 + .cache 排除 + celery mock 路径修复
2026-07-11 14:42:53 +08:00
xiaoxia 242497af8b fix: 调换 fps 与 setpts 顺序,修复 P0-3 xfade 多视频转场 PTS 不一致问题 (#210)
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2026-07-10 18:16:01 +08:00
xiaoxia 4328854f58 feat: 统一渲染引擎 + 打通一键生成全链路
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2026-07-09 22:59:19 +08:00