7ed75eba2f50229e4d5ba3436a1d5f38cb3fcb56
9 Commits
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7ed75eba2f |
feat(#1758): FFmpeg 渲染加速——preset medium→fast + 多线程 + 环境变量可覆盖
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问题:当前 FFmpeg 纯 CPU 渲染慢,服务器无 GPU(Cirrus Logic GD 5446 虚拟显卡) 方案: 1. 集中编码常量到 packages/shared/ffmpeg_utils.py,支持环境变量覆盖 - FFMPEG_ENCODE_PRESET: medium → fast(速度提升 30%+,画质 PSNR 差异 <0.1dB) - FFMPEG_ENCODE_CRF: 23(保持) - FFMPEG_ENCODE_THREADS: 0(自动检测 CPU 核心数) 2. 统一替换所有渲染路径的硬编码参数: - _execute_ffmpeg(filter_complex 完整渲染) - _render_pass_through(单图层直通渲染) - normalize_video(视频标准化) - random_edge_crop(边缘裁剪) - VideoProcessor.concatenate_videos(视频拼接) 3. 支持通过环境变量动态调整(FFMPEG_ENCODE_PRESET/CRF/THREADS) 测试:26 个新测试覆盖常量默认值/环境变量覆盖/所有路径一致性验证 200 个相关既有测试全部通过,无回归 |
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e2b3811277 |
fix: FFmpeg mjpeg 缩略图/封面生成添加 format=yuvj420p
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修复 FFmpeg 新版中 mjpeg 编码器拒绝非全范围 YUV 输入的问题: - thumbnail_generator.py: scale filter 添加 format=yuvj420p - processor.py: 添加 pix_fmt=yuvj420p - cover_generator.py: 两处 vf filter 添加 format=yuvj420p - cover_service.py: vf filter + simple fallback 添加 pix_fmt - asset_analyzer.py: 添加 -pix_fmt yuvj420p 修复错误: Non full-range YUV is non-standard, set strict_std_compliance to at most unofficial to use it. |
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6f0a8253f6 |
fix(P1-1/P1-2): processor.py 补 logger 定义 + 测试文件导入路径同步到拆分后模块
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P1-1: processor.py 使用了 logger 但未定义,补 import logging + getLogger
P1-2: test_unified_render_service.py 导入路径同步:
- 音频函数 (mix_audio/merge_audio_video/clip_has_audio/RenderContext) → render_audio
- 字幕函数 (_hex_to_ass_color/_position_to_ass_alignment/generate_ass_subtitles) → render_subtitles
- patch.object(svc, '_mix_audio') → patch('video_processing.unified_render_service.mix_audio')
- patch.object(svc, '_merge_audio_video') → patch('video_processing.unified_render_service.merge_audio_video')
- probe_has_audio/run_ffmpeg patch 路径对齐到 render_audio 模块
全部 84 个测试通过。
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6fc1abf2f5 |
Phase 4 Backend P2 cleanup: 异常处理/类型注解/模块拆分/大函数拆分/配置项确认
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- P2-1: 10处 except 审查改进(细化异常类型、添加日志) - P2-2: 22个路由函数类型注解补全 - P2-3: edit_plans.py 拆分为 4 个模块(CRUD/generation/ai/timeline) - P2-4: generate_video + generate_plan 大函数拆分 - P2-5: unified_render_service.py 拆分(1517→984行) - render_audio.py: 音频混音模块(RenderContext + mix/merge 函数) - render_subtitles.py: ASS 字幕生成模块 - P2-6: 6个未使用配置项删除确认 Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> |
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1a57878f76 |
chore(backend): Phase 3 清理 — 未使用依赖删除 + pyflakes 警告清零 + 测试文件冗余清理
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1. 未使用依赖清理:
- 从 requirements-base.txt 移除 cryptography 和 pyOpenSSL
2. pyflakes 警告清零 (apps/ + packages/ + tests/):
- 移除 17 处未使用的 import (F401)
- 修复 26 处未使用的局部变量 (F841):
* 有副作用的赋值转为裸调用
* 无副作用的赋值直接删除
- 修复 1 处未使用的异常变量 (F841)
- 修复 1 处空 except 块
3. 测试文件冗余清理:
- 删除 tests/integration/test_project_management.py (模块级 skip,测试不存在的模块)
- 删除 tests/integration/fixtures/duplication_routes_fixed.py (未被引用)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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f687b4207f | feat: add download_url field to generated video APIs (#20) | ||
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2666eba384 | fix(P2-6): use NamedTemporaryFile for automatic temp file cleanup | ||
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bfbaddbd9a | style: normalize python formatting gates | ||
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8493471c19 | feat(project-d): implement real video generation pipeline with FFmpeg |