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Won't Fix
Votes
0
Found in
2017.4.0f1
2018.4.0f1
2019.1.12f1
2019.2.0a1
2019.3.0a1
2020.1.0a1
Issue ID
1175339
Regression
No
[iOS][Video] Short streaming videos starts buffering when on LTE or 3G network
To reproduce:
1. Open attached project "video-streambug.zip"
2. Build for iOS
3. On iOS device go to Settings > Developer > Network Link Conditioner > Enable and change profile to LTE or 3G
4. Deploy the Xcode project to an iOS device
5. Play the short video
Expected result: the video is played without any issues or audio loss
Actual result: video starts buffering after a couple of seconds
Reproduced on:
2017.4.0f1 2017.4.32f1 2018.4.9f1 2019.1.14f1 2019.2.3f1 2019.3.0b2 2020.1.0a3
Devices reproduced on:
- iPhone XR iOS 12.0
- iPhone 7 Plus iOS 12.0
- iPhone 6 iOS 12.4
Notes:
- Press Play Long Video (1:13) and observe as the issue doesn't reproduce on a longer video
- Doesn't reproduce on WiFi or 4G network
- Getting TextMesh Pro errors on 2019.2.4f1 unable to test the project
- Video works without any issues after looping at least once
- Doesn't reproduce on Android with LTE or 3G
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Resolution Note (2020.1.X):
Unfortunately, this appears to be an issue in AVFoundation, on which the Unity video player depends. There is no way for us to change the buffering of streamed video data or anything like that on our end.