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优化字幕检测算法、添加多语言翻译支持
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Browse Source 
- 自适应采样间隔：根据视频帧率调整（60fps+→4, 30fps+→3, 低帧率→2）
- filter_and_merge_intervals 复杂度从 O(n²) 优化为 O(n log n)
- detect_subtitle 区域过滤：单区域快速路径，多区域匹配即停
- 插值逻辑改用 zip 预计算 max_gap，更高效
- SubtitleDetectMode 枚举值改为英文key，通过翻译系统显示本地化名称
- 7种语言文件添加 SubtitleDetectMode 翻译（中/繁/英/日/韩/越/西）
- 旧配置值自动迁移兼容

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
flavioy
2026-04-09 00:17:01 +08:00
parent 93d822d067
commit 0bae013097
12 changed files with 104 additions and 58 deletions
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7
backend/config.py
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@@ -112,6 +112,13 @@ CONFIG_FILE = 'config/config.json'
config = Config()
qconfig.load(CONFIG_FILE, config)
# 向后兼容：旧的 SubtitleDetectMode 枚举值为中文，迁移为新值
_detect_mode_value = config.subtitleDetectMode.value
if isinstance(_detect_mode_value, str) and _detect_mode_value in ("快速", "Fast"):
config.set(config.subtitleDetectMode, SubtitleDetectMode.PP_OCRv5_MOBILE)
elif isinstance(_detect_mode_value, str) and _detect_mode_value in ("精准", "Precise"):
config.set(config.subtitleDetectMode, SubtitleDetectMode.PP_OCRv5_SERVER)
# 读取界面语言配置
tr = configparser.ConfigParser()