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Fixed in 2021.1.X
Fixed in 2019.4.X, 2020.2.X
Votes
0
Found in
2017.4
2018.4
2019.3
2020.1
2020.2
2020.2.0a8
Issue ID
1240116
Regression
No
[osx]Editor crash on AURogerBeepFactory after a few seconds of playing video when Playback speed is bigger than 1
1. Open attached Unity project
2. Load SampleScene scene
3. Select "2020-04-21 15-18-27" GameObject and make sure Playback Speed is bigger than 1.
4. Enter the play mode
-- observe crash in a few seconds
Reproduced with: 2020.2.0a8, 2020.1.0b6, 2019.3.11f1, 2018.4.22f1, 2017.4.40f1.
Note: If Editor doesn't crash, move Playback Speed slider.
Stacktrace:
Obtained 20 stack frames.
Thread 0x70000e5df000 may have been prematurely finalized
#0 0x0000012c12438c in AURogerBeepFactory
Thread 0x70000e5df000 may have been prematurely finalized
#1 0x0000012c1291b7 in AURogerBeepFactory
Thread 0x70000e5df000 may have been prematurely finalized
#2 0x0000012c0b5c23 in AUPeakLimiterFactory
Thread 0x70000e5df000 may have been prematurely finalized
#3 0x0000012c163e3f in SamplerFactory
Thread 0x70000e5df000 may have been prematurely finalized
#4 0x007fff30308b46 in XAudioUnit::Render(unsigned int*, AudioTimeStamp const*, unsigned int, unsigned int, AudioBufferList*)
Thread 0x70000e5df000 may have been prematurely finalized
#5 0x007fff303094ca in MEMixerChannel::TimePitchDownstream(void*, unsigned int*, AudioTimeStamp const*, unsigned int, unsigned int, AudioBufferList*)
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Resolution Note (fix version 2021.1):
Fixed in: 2021.2.0a1
Apple's spectral audio resampling algorithm seems to have a race condition that causes it to crash when playing mp4 movie files that have audio/video packets tightly interleaved, such as files produced by OBS. Only keeping the high-quality resampling for speeds below 2x. Above 2x, we now revert to time-domain speed change, as is already done on iOS/tvOS.
Resolution Note (fix version 2021.1):
Fixed in 2021.1.0b5
Resolution Note (fix version 2020.2):
Fixed in 2020.2.3f1
Resolution Note (fix version 2019.4):
Fixed in: 2019.4.18f1