I'm having trouble using FFMPEG to manipulate mp4 videos that are the output
of a Wolverine film2video converter.
The converter has no provision for editing and produces videos with a 30fps
frame rate, but with the film frames
copied one-to-one to the video, so the playback speed is wrong. [8mm =
the original (untrimmed) segments with FFMPEG, the
resultant
video is 30fps, and there are no "Non-monotonous" DTS messages in the log.
What I'd like to do next is learn what the correct commands are for trimming
a video
segment (that won't result in screwed-up timestamps and the
