read-ahead analysis (num_output_buffers=8):
num_capture_buffers=20, read-ahead=0ms: dropped frames=36
num_capture_buffers=20, read-ahead=100ms: dropped frames=30
num_capture_buffers=20, read-ahead=250ms: dropped frames=25
num_capture_buffers=20, read-ahead=500ms: dropped frames=18
num_capture_buffers=20, read-ahead=1000ms: dropped frames=17

capture_buffers impact (num_output_buffers=8):
num_capture_buffers=32, read-ahead=1000ms: dropped frames=13

output_buffers impact:
num_capture_buffers=32, num_output_buffers=16, read-ahead=1000ms: dropped frames=14

fine tuning capture_buffers (num_output_buffers=8):
num_capture_buffers=16, read-ahead=1000ms: dropped frames run1=11, run2=11
num_capture_buffers=14, read-ahead=1000ms: dropped frames run1=18, run2=19
num_capture_buffers=12, read-ahead=1000ms: dropped frames run1=19, run2=29
num_capture_buffers=10, read-ahead=1000ms: dropped frames run1=4109