Function rsmpeg::ffi::avfilter_pad_get_name

pub unsafe extern "C" fn avfilter_pad_get_name(
    pads: *const AVFilterPad, 
    pad_idx: i32
) -> *const i8

Get the name of an AVFilterPad.

@param pads an array of AVFilterPads @param pad_idx index of the pad in the array; it is the caller’s responsibility to ensure the index is valid

@return name of the pad_idx’th pad in pads