222         let mut payload_index = 1;  in depacketize()  localVariable
225             payload_index = self.parse_picture_id(reader, payload_index)?;  in depacketize()
229             payload_index = self.parse_layer_info(reader, payload_index)?;  in depacketize()
233             payload_index = self.parse_ref_indices(reader, payload_index)?;  in depacketize()
237             payload_index = self.parse_ssdata(reader, payload_index)?;  in depacketize()
240         Ok(packet.slice(payload_index..))  in depacketize()
269         mut payload_index: usize,  in parse_picture_id()
275         payload_index += 1;  in parse_picture_id()
283             payload_index += 1;  in parse_picture_id()
288         Ok(payload_index)  in parse_picture_id()
294         mut payload_index: usize,  in parse_layer_info()
296         payload_index = self.parse_layer_info_common(reader, payload_index)?;  in parse_layer_info()
299             Ok(payload_index)  in parse_layer_info()
301             self.parse_layer_info_non_flexible_mode(reader, payload_index)  in parse_layer_info()
314         mut payload_index: usize,  in parse_layer_info_common()
320         payload_index += 1;  in parse_layer_info_common()
330             Ok(payload_index)  in parse_layer_info_common()
345         mut payload_index: usize,  in parse_layer_info_non_flexible_mode()
351         payload_index += 1;  in parse_layer_info_non_flexible_mode()
352         Ok(payload_index)  in parse_layer_info_non_flexible_mode()
365         mut payload_index: usize,  in parse_ref_indices()
373             payload_index += 1;  in parse_ref_indices()
381         Ok(payload_index)  in parse_ref_indices()
404     fn parse_ssdata(&mut self, reader: &mut dyn Buf, mut payload_index: usize) -> Result<usize> {  in parse_ssdata()
410         payload_index += 1;  in parse_ssdata()
430             payload_index += 4 * ns;  in parse_ssdata()
439             payload_index += 1;  in parse_ssdata()
447             payload_index += 1;  in parse_ssdata()
460                 payload_index += 1;  in parse_ssdata()
466         Ok(payload_index)  in parse_ssdata()