Function rsmpeg::ffi::av_thread_message_queue_alloc

pub unsafe extern "C" fn av_thread_message_queue_alloc(
    mq: *mut *mut AVThreadMessageQueue, 
    nelem: u32, 
    elsize: u32
) -> i32

Allocate a new message queue.

@param mq pointer to the message queue @param nelem maximum number of elements in the queue @param elsize size of each element in the queue @return >=0 for success; <0 for error, in particular AVERROR(ENOSYS) if lavu was built without thread support