feat(audiotrack): lockless buffer #656
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boks1971
reviewed
May 12, 2025
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| import ( | ||
| "runtime" | ||
| "sync/atomic" |
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We standardise on uber atomic. It is nicer to use.
paulwe
reviewed
May 13, 2025
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| capacity-- | ||
| capacity |= capacity >> 1 | ||
| capacity |= capacity >> 2 | ||
| capacity |= capacity >> 4 | ||
| capacity |= capacity >> 8 | ||
| capacity |= capacity >> 16 | ||
| capacity++ |
paulwe
reviewed
May 13, 2025
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| head *atomic.Uint32 | ||
| tail *atomic.Uint32 |
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these are zero initialized automatically so you can avoid the extra indirection and skip initializing with New(0) if these are atomic.Uint32 instead of *atomic.Uint32
paulwe
reviewed
May 13, 2025
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| for i := uint32(0); i < currentBatchSize; i++ { | ||
| slotIndex := (head + i) & cb.mask | ||
| result = append(result, cb.buffer[slotIndex]) | ||
| } |
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this can be implemented in at most 2 copies? after head has been updated is the read range safe from concurrent writes?
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Noticing some crackling noise, debugging that. The audio otherwise seems to be in the correct order.