pub unsafe extern "C" fn av_read_image_line2(
dst: *mut c_void,
data: *mut *const u8,
linesize: *const c_int,
desc: *const AVPixFmtDescriptor,
x: c_int,
y: c_int,
c: c_int,
w: c_int,
read_pal_component: c_int,
dst_element_size: c_int,
)