pub fn encode_scan(
frame: &FrameInfo,
scan_components: &[ScanComponent],
grids: &[DctGrid],
dc_specs: &[Option<HuffmanSpec>; 4],
ac_specs: &[Option<HuffmanSpec>; 4],
restart_interval: u16,
) -> Result<Vec<u8>>Expand description
Encode DctGrids back to entropy-coded scan data.
Returns the raw entropy-coded bytes (without SOS header, but including restart markers if restart_interval > 0).