file /home/wsh/frescor/demo/build-no-frsh/_compiled/bin/recorder
b url_fopen
b url_fdopen
b file_open
b av_interleaved_write_frame
# b file_write
# b av_interleaved_write_frame
run -s 640x480 -r 15 -f video4linux2 -i /dev/video0
#run -s 320x240 -f video4linux2 -i /dev/video0