
406 Simulation Technologies in Networking and Communications
and MP4, as well as the video le and script path les. The input video le, which can be in any
video format (*.yuv, *.mov, *.mp4, etc.), is converted to MPEG-4 (*.m4v format) using FFmpeg and
then gets prepared for simulation by the Evalvid MP4 tool. The preparation produces many different
possible frame traces, which will be used by NS-2.
The second part of the procedure takes over the reconstruction of the video le and the reen-
coding to a common video format le. The reconstruction is done using et_ra, a modied version
of the original Evalvid et.exe tool, which reads the produced ...