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Add playback_speed for variable-speed elapsed-time tracking #213

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Add playback_speed for variable-speed elapsed-time tracking #213

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ff11109
Support variable playback speed
OzGav Apr 27, 2026
6f675c2
drop PlayLogEntry.playback_speed
OzGav Apr 29, 2026
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7 changes: 6 additions & 1 deletion music_assistant_models/player_queue.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,9 @@ class PlayerQueue(DataClassDictMixin):

elapsed_time: float = 0
elapsed_time_last_updated: float = field(default_factory=time.time)
# playback_speed in effect at elapsed_time_last_updated
# Used to calculate the corrected elapsed time to advance the wallcloack delta in media-time
playback_speed: float = 1.0
state: PlaybackState = PlaybackState.IDLE
current_item: QueueItem | None = None
next_item: QueueItem | None = None
Expand Down Expand Up @@ -101,7 +104,9 @@ class PlayerQueue(DataClassDictMixin):
def corrected_elapsed_time(self) -> float:
"""Return the corrected/realtime elapsed time."""
if self.state == PlaybackState.PLAYING:
return self.elapsed_time + (time.time() - self.elapsed_time_last_updated)
return self.elapsed_time + (
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(time.time() - self.elapsed_time_last_updated) * self.playback_speed
)
return self.elapsed_time

def to_cache(self) -> dict[str, Any]:
Expand Down