Function moq_publish_container_write 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn moq_publish_container_write(
    container: u32,
    payload: *const u8,
    payload_size: usize,
) -> i32

Write a whole chunk of container bytes.

No timestamp: a container carries its tracks’ timing itself, and the importer reads it out rather than taking the caller’s word for it.

Returns zero on success, or a negative code on failure.

Safety

• The caller must ensure payload is valid for payload_size bytes.