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Mike Brady
2020-05-24 10:07:04 +01:00
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Version 3.3.7d6
====
**Bug Fixes and Enhancements**
* Fix a bug calculating the instantaneous synchronisation error. This bug could occasionally cause Shairport Sync to lose synchronisation and maybe even to mute for a few seconds before regaining it. It was caused by not doing modulo arithmetic properly, and it's been there for a while.
* Clean up and improve the code to synchronise the first frame of audio. This should result in more accurate and reliable initial synchronisation, usually to under a millisecond, and often to within 20 or 30 microseconds in normal usage. Sync should improve even when the silent lead-in time is as short as 0.3 seconds or when the `audio_backend_latency_offset_in_seconds` is as great as -1.7 seconds.
* Remove a bug which would affect initial synchronisation if a `FLUSH` command was received from the player at an inopportune time.
* Clean up some confused uses of modulo arithmetic.
* Clean up allocation of memory for gathering running statistics – use the heap instead of the stack.
* Clean up the display of statistics for backends that do not implement active synchronisation, e.g. the `pipe` and `STDOUT` back ends.
* Add code to flush output to the `pipe` or to `STDOUT` when playing stops.
* Fixed a bug calculating the instantaneous synchronisation error. This bug could occasionally cause Shairport Sync to lose synchronisation and maybe even to mute for a few seconds before regaining it. It was caused by not doing modulo arithmetic properly, and it's been there for a while.
* Cleaned up and improve the code to synchronise the first frame of audio. This should result in more accurate and reliable initial synchronisation, usually to under a millisecond, and often to within 20 or 30 microseconds in normal usage. Sync should improve even when the silent lead-in time is as short as 0.3 seconds or when the `audio_backend_latency_offset_in_seconds` is as great as -1.7 seconds.
* Removed a bug which would affect initial synchronisation if a `FLUSH` command was received from the player at an inopportune time.
* Cleaned up some confused uses of modulo arithmetic.
* Cleaned up allocation of memory for gathering running statistics – use the heap instead of the stack.
* Cleaned up the display of statistics for backends that do not implement active synchronisation, e.g. the `pipe` and `STDOUT` back ends.
* Added code to flush output to the `pipe` or to `STDOUT` when playing stops.
Version 3.3.7d5
====