$ ffmpeg -i input.avi -qscale 1 -qcomp 0 file-%03d.jpg
- qscale[:stream_specifier] q (output,per-stream)’
- Use fixed quality scale (VBR). The meaning of q is codec-dependent.
- qscale constant quality buf variable bitrate. n = 1 for best quality, n = 31 for worst quality
- qcomp compression
- video quantizer scale compression (VBR) (default 0.5). Constant of ratecontrol equation. Recommended range for default rc_eq: 0.0-1.0
- qblur blur
- video quantizer scale blur (VBR) (range 0.0 - 1.0)
- Previously tested with qblur option of 0 and 1, and outputs were exactly the same
