Encoder ljpeg [Lossless JPEG]:
    General capabilities: threads 
    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                         E..V....
     plane                        E..V....
     median                       E..V....


