I noticed interesting thing. Camera with one frame returns 34 calbacks. This is what i received:
Date/time/buffer size/ actual buffer size
2018-08-09 16:26:47, 116, 1
2018-08-09 16:26:47, 72, 1
2018-08-09 16:26:47, 20, 1
2018-08-09 16:26:47, 5120, 1
2018-08-09 16:26:47, 5120, 1
2018-08-09...