fix(generate): #1754 预览卡片黑边+占比过大/配音时长兜底调速/标题位置优化 #1754
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merged 1 commits from 2026-09-07 13:52:24 +08:00
feat/1754-preview-blackborder-duration-title into develop
1 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 xiaoxia
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03a0ab66dd |
fix(generate): #1754 预览卡片黑边+占比过大/配音时长兜底调速/标题位置优化
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P0-前端1 黑边+卡片占比： - .xx-canvas-grid grid-template-columns: minmax(200px,220px) → minmax(160px,180px) - .xx-canvas-grid-card background: #000 → transparent - video objectFit: contain → cover（填满卡片不留黑边） - 播放器容器 compact 模式 background → transparent P0-前端2 配音时长兜底： - useSegmentScheduler PlaybackSegment 新增 playbackRate 字段 - switchToSegment/play 中设置 video.playbackRate - FrontendPreviewPlayer 内部用 Audio 测量 voiceDuration - speedFactor = rawClipsDuration / voiceDuration（偏差>5%时启用） - buildPlaybackSegments 按 1/speedFactor 缩放 endTime 并写入 playbackRate - 后端已按配音时长分配 clips（#1752），此处为前端安全兜底 P1-前端3 标题位置优化： - TITLE_MARGIN_TOP 120→180（ASS 坐标 9:16 下 6.25%→9.4%） - TITLE_MARGIN_BOTTOM 60→100（3.1%→5.2%） - 注：后端 ass_subtitle_builder.py 需同步更新以保持预览=成片 |