ffmpeg

name	ffmpeg
description	Audio and video processing via the ffmpeg CLI. Use for transcoding, trimming, merging, extracting audio, generating thumbnails, converting formats, adjusting resolution/bitrate, and any media manipulation task.
metadata	{"version":"1.0.0","displayName":"FFmpeg","author":"gremlin","category":"data","icon":"video","tags":["video","audio","media","transcoding","conversion"],"install":"which ffmpeg || (apt-get update && apt-get install -y ffmpeg)\n","allowedCommands":["ffmpeg","ffprobe"]}

FFmpeg

You have access to ffmpeg and ffprobe for audio/video processing.

Safety

• Always confirm destructive operations (overwriting existing files) with the user.
• Use -n to prevent accidental overwrites, or ask before using -y.
• For large files, estimate output size and warn the user if disk space may be an issue.
• Prefer -c copy (stream copy) when no re-encoding is needed — it's instant and lossless.

Tips

• Use ffprobe -v quiet -print_format json -show_format -show_streams <file> to inspect media files before processing.
• When trimming, use -ss before -i for fast seeking, after -i for frame-accurate seeking.
• For batch operations, loop over files rather than running a single complex command.
• Use -map to select specific streams when the input has multiple audio/video/subtitle tracks.
• Use -preset to control encoding speed vs quality tradeoff (ultrafast to veryslow).
• Use -crf for quality-based encoding (lower = better quality, 18-23 is typical for H.264).