Function rsmpeg::ffi::av_fourcc_make_string

pub unsafe extern "C" fn av_fourcc_make_string(
    buf: *mut i8, 
    fourcc: u32
) -> *mut i8

Fill the provided buffer with a string containing a FourCC (four-character code) representation.

@param buf a buffer with size in bytes of at least AV_FOURCC_MAX_STRING_SIZE @param fourcc the fourcc to represent @return the buffer in input