Function ff_convert_matrix

pub unsafe extern "C" fn ff_convert_matrix(
    s: *mut MpegEncContext,
    qmat: *mut [c_int; 64],
    qmat16: *mut [[u16; 64]; 2],
    quant_matrix: *const u16,
    bias: c_int,
    qmin: c_int,
    qmax: c_int,
    intra: c_int,
)