#<Encode command>  <Frame Number>  <New Width> <New Height> #
0                   400             640         360
#<Encode command>  <Frame Number>  <New Bitrate> <New VBV size> #
1                   400             3000000      100000
#<Encode command>  <Frame Number>  <New Width> <New Height> #
0                   1000            1280         720
#<Encode command>  <Frame Number>  <New Bitrate> <New VBV size> #
1                   1000             5000000     167000
#<Encode command>  <Frame Number>  <New Width> <New Height> #
0                   1400            640          360
#<Encode command>  <Frame Number>  <New Bitrate> <New VBV size> #
1                   1400           3000000       100000