OptionalversionCodec version: 0, 1, or 3. Default: 3
OptionalcoderError correction level: 0 (none) to 3 (maximum). Default: 0
OptionalcontextContext model: 0 or 1
OptionalslicesNumber of slices (for threading). Powers of 2: 4, 8, 16, ...
OptionalsliceEnable slice CRC for error detection
Typed options for the FFV1 lossless video encoder. Open standard — excellent for archival. Available in both v7 and v8.