Combine MPEG-DASH segments (ex, init.mp4 + segments.m4s) back to a full source.mp4?

Question

GPAC, http://gpac.wp.mines-telecom.fr/, can be used to do video segmentation along with MPEG-DASH spec. One type of results is a combination of init files (ex, init.mp4) and

Answer 1

I use a less technical way which rename both audio and video segment to .mp4 and .ogg in Command Prompt and then join'em in a video editing software than export as .mp4 format. Although this way is less technical but it's easy for newbies in Information Technology.