feat(playback): 起播看门狗 + 起播耗时打点
现象(Plastic Love):state=PLAYING、position 恒为 0,75 秒内没有任何 buffering/error 日志,mpv 既不报错也不推进。通用看门狗要求"近期有缓冲", 因此完全没反应。 - 新增起播看门狗:position 持续为 0 超过 15s 且 playing=true → 强制重连 (不再要求 buffering 事件;暂停时 playing=false,不会误触发) - 中段卡死判定也放宽为 playing || recentlyBuffering - 打点: * PlaybackService: "open 完成 xxxms,play 完成 xxxms" * AudioService: "起播耗时 xxxms(open 完成 -> 出声)" 下次再出现"下一首很久",日志能直接区分是 open 慢还是数据到得慢。
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@@ -57,8 +57,12 @@ class PlaybackService {
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: Media(url);
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try {
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final sw = Stopwatch()..start();
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await _player!.open(media).timeout(_openTimeout);
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final openMs = sw.elapsedMilliseconds;
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await _player!.play().timeout(_controlTimeout);
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debugPrint('⏱️ [PlaybackService] open 完成 ${openMs}ms,'
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'play 完成 ${sw.elapsedMilliseconds}ms');
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} on TimeoutException {
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debugPrint(
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'❌ [PlaybackService] open timeout (${_openTimeout.inSeconds}s): ${_shortUrl(url)}');
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