164     fn payload(&mut self, mtu: usize, payload: &Bytes) -> Result<Vec<Bytes>> {  in payload()  method
165         if payload.is_empty() || mtu == 0 {  in payload()
171         let (mut next_ind_start, mut next_ind_len) = H264Payloader::next_ind(payload, 0);  in payload()
173             self.emit(payload, mtu, &mut payloads);  in payload()
177                 let (next_ind_start2, next_ind_len2) = H264Payloader::next_ind(payload, prev_start);  in payload()
182                         &payload.slice(prev_start..next_ind_start as usize),  in payload()
188                     self.emit(&payload.slice(prev_start..), mtu, &mut payloads);  in payload()
215         let mut payload = BytesMut::new();  in depacketize()  localVariable
225                     payload.put_u32(packet.len() as u32);  in depacketize()
227                     payload.put(&*ANNEXB_NALUSTART_CODE);  in depacketize()
229                 payload.put(&*packet.clone());  in depacketize()
230                 Ok(payload.freeze())  in depacketize()
247                         payload.put_u32(nalu_size as u32);  in depacketize()
249                         payload.put(&*ANNEXB_NALUSTART_CODE);  in depacketize()
251                     payload.put(&*packet.slice(curr_offset..curr_offset + nalu_size));  in depacketize()
255                 Ok(payload.freeze())  in depacketize()
277                             payload.put_u32((fua_buffer.len() + 1) as u32);  in depacketize()
279                             payload.put(&*ANNEXB_NALUSTART_CODE);  in depacketize()
281                         payload.put_u8(nalu_ref_idc | fragmented_nalu_type);  in depacketize()
282                         payload.put(fua_buffer);  in depacketize()
285                     Ok(payload.freeze())  in depacketize()
295     fn is_partition_head(&self, payload: &Bytes) -> bool {  in is_partition_head()
296         if payload.len() < 2 {  in is_partition_head()
300         if payload[0] & NALU_TYPE_BITMASK == FUA_NALU_TYPE  in is_partition_head()
301             || payload[0] & NALU_TYPE_BITMASK == FUB_NALU_TYPE  in is_partition_head()
303             (payload[1] & FU_START_BITMASK) != 0  in is_partition_head()