Function ff_interleaved_peek

pub unsafe extern "C" fn ff_interleaved_peek(
    s: *mut AVFormatContext,
    stream: c_int,
    pkt: *mut AVPacket,
    add_offset: c_int,
) -> c_int

Find the next packet in the interleaving queue for the given stream. The pkt parameter is filled in with the queued packet, including references to the data (which the caller is not allowed to keep or modify).

@return 0 if a packet was found, a negative value if no packet was found