how to construct training data in s2.2 stage?

[zzksdu]

we prepare the training data according to the below format in s2.2 trainging stage

but i got countless info like this:
"
[h264 @ 0x7f18e9df2400] mmco: unref short failure
[h264 @ 0x7f18e9df2400] mmco: unref short failure
[h264 @ 0x7fa4a3821080] mmco: unref short failure
[h264 @ 0x7fa4a3821080] mmco: unref short failure
[h264 @ 0x7fa4a3821080] mmco: unref short failure
[h264 @ 0x7f9692fd4940] mmco: unref short failure
[h264 @ 0x7f9692fd4940] mmco: unref short failure
[h264 @ 0x7f5f82218080] mmco: unref short failure
[h264 @ 0x7f968fa3a6c0] mmco: unref short failure
[h264 @ 0x7f968fa3a6c0] mmco: unref short failure
[h264 @ 0x7f58e4c19e80] mmco: unref short failure
[h264 @ 0x7fe16105a280] mmco: unref short failure
[h264 @ 0x7fe16105a280] mmco: unref short failure
[h264 @ 0x7f088822dd00] mmco: unref short failure
[h264 @ 0x7fa460fcc780] mmco: unref short failure
[h264 @ 0x7fa460fcc780] mmco: unref short failure
[h264 @ 0x7fa460fcc780] mmco: unref short failure
"
Is the data for stage s2.2 prepared in the correct format? Have you encountered this problem during training and how did you solve it?
@linhaojia13 @lxysl @BradyFU @longzw1997