some mp4 file play speed fast than normal

[newestbie]

ffplay's console output log: Last message repeated 1 times [aac @ 0xafe2d880] Number of bands (52) exceeds limit (43). [aac @ 0xafe2d880] invalid band type [aac @ 0xafe2d880] Sample rate index in program config element does not match the sample rate index configured by the container. [aac @ 0xafe2d880] decode_pce: Input buffer exhausted before END element found [aac @ 0xafe2d880] invalid band type [aac @ 0xafe2d880] Number of bands (51) exceeds limit (43). [aac @ 0xafe2d880] Number of bands (45) exceeds limit (43). [aac @ 0xafe2d880] invalid band type [aac @ 0xafe2d880] Number of bands (46) exceeds limit (43). [aac @ 0xafe2d880] Number of bands (53) exceeds limit (43). [aac @ 0xafe2d880] Number of bands (52) exceeds limit (43). [aac @ 0xafe2d880] Number of bands (61) exceeds limit (43). [aac @ 0xafe2d880] invalid band type [aac @ 0xafe2d880] Number of bands (45) exceeds limit (43). [aac @ 0xafe2d880] Number of bands (59) exceeds limit (43). [aac @ 0xafe2d880] Number of bands (45) exceeds limit (43). [aac @ 0xafe2d880] invalid band type