-c:v copy and -c:a copy tell your computer to copy the video and audio tracks exactly as they are without converting them.
025654 → 00:25:54 (or 0:25:54 in FFmpeg syntax) “min work” – we’ll assume . So the clip ends at 00:28:54 .
: This refers to the core asset classification code. It dictates the source format, compression parameters, and file hierarchy of the incoming media or data stream.