Function ocrypto_srtp_encrypt 

pub unsafe extern "C" fn ocrypto_srtp_encrypt(
    srtp_ctx: *const ocrypto_srtp_ctx,
    packet: *mut u8,
    data_bytes: *const u8,
    num_header_bytes: usize,
    num_data_bytes: usize,
    index: u32,
)

Encrypt SRTP packet.

The final packet consists of * num_header_bytes - encrypted in place, followed by * num_data_bytes - copied from * data_bytes - during encryption.

• srtp_ctx - SRTP context.
• packet - Encrypted packet.
• data_bytes - Data bytes to be encrypted.
• num_header_bytes - Number of header bytes.
• num_data_bytes - Number of data bytes.
• index - Packet index.