New answers tagged mp4
As @LordNeckbeard wrote in the comments, moving the -t flag to after the -i flag works: ffmpeg -ss 0 -i in.mp4 -t 00:30:00 -acodec copy -vcodec copy out.mp4
I doubt that GoPro studio doesn't let you use vids from another source because I used footage from a sony cybershot. Moreover, on there website it says that it supports full capabillity to cannon and nikon cameras. If you are using windows 8 .mov files aren't supported. It supports all video files of H264 mp4 and mov for all other versions of windows. ...
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