-movflags +faststart : Shifts index metadata (moov atom) to the very front of the file structure. This lets web players stream and play the file instantly before the entire episode finishes downloading. 4. Creating High-Quality Reaction GIFs
If you have a video file named party.down.s01e07.mkv and want to convert it to MP4 (H.264 + AAC) using ffmpeg:
ffmpeg -i input.mp4 -ss 00:00:10 -t 00:00:30 -c copy output.mp4
-preset medium : Standard compression speed engine. "Slow" saves more space but costs serious processing time.
