Encoder ljpeg [Lossless JPEG]:
    General capabilities: threads intraonly 
    Threading capabilities: frame
    Supported pixel formats: bgr24 bgra bgr0 yuvj420p yuvj444p yuvj422p yuv420p yuv444p yuv422p
ljpeg AVOptions:
  -pred              <int>        E..V..... Prediction method (from 1 to 3) (default left)
     left            1            E..V.....
     plane           2            E..V.....
     median          3            E..V.....


