yumoqing 339664ebc1 fix: 修复HLS流媒体录制无音频问题
- 存储tapPrepareCallback实际采样率,替代不可靠的timeRange.duration.timescale
- findAudioTrackID增加3路fallback: playerItem.tracks → asset.tracks → 非视频推断
- async load(.tracks)从单次尝试改为每3秒重试
- 增加muxed track fallback(HLS可能返回非标准mediaType)
2026-06-26 08:51:10 +08:00
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