Improve audio messages performance #5792
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Description
Whenever audio attachment is playing there are a lot of unnecessary work done in
AudioWaveformProgressView.redrawSamples
. On every audio progress update there are paths recreated forplayedShapeLayer
andunplayedShapeLayer
. In my solution I drawunplayedShapeLayer
andplayedShapeLayer
once and further apply layer mask toplayedShapeLayer
to show progress.AudioPlayer
triggers update UI progress 20 times per second with Timer. I replaced timer withCADisplayLink
which allowed to reduce updates number per second and improve animation smoothness.Changes in 2 commits reduced CPU usage from 13% to 5% on my iPhone 12 (17.4.1).