HW: imx6q
SW: yocto linux 3.14.28
bsp compile: bitbake fsl-image-qt5
video: 1080P MV , attch file
root@imx6qsabresd:/var/volatile/log# fbset
mode "1920x1080-60"
# D: 148.500 MHz, H: 67.500 kHz, V: 60.000 Hz
geometry 1920 1080 1920 1088 16
timings 6734 148 88 36 4 44 5
hsync high
vsync high
rgba 5/11,6/5,5/0,0/0
endmode
root@imx6qsabresd:/var/volatile/log#
player tool: imx player, video player

When I play the video, the speed is about twice as fast? how i do?