优化DevChannel内存拷贝问题

src/Extension/AAC.h

@@ -104,7 +104,6 @@ public:
 //表示说ADTS帧中有一个AAC数据块并不是说没有。(一个AAC原始帧包含一段时间内1024个采样及相关数据)
     unsigned int no_raw_data_blocks_in_frame;    //2 uimsfb
     unsigned char buffer[2 * 1024 + 7];
-    uint16_t sequence;
     uint32_t timeStamp;
     uint32_t iPrefixSize = 7;
 } ;

src/Extension/AACRtp.cpp

@@ -149,7 +149,6 @@ bool AACRtpDecoder::inputRtp(const RtpPacket::Ptr &rtppack, bool key_pos) {
 			memcpy(_adts->buffer + _adts->aac_frame_length, rtp_packet_payload + next_aac_payload_offset, cur_aac_payload_len);
 			_adts->aac_frame_length += (cur_aac_payload_len);
 			if (rtppack->mark == true) {
-				_adts->sequence = rtppack->sequence;
 				_adts->timeStamp = rtppack->timeStamp;
 				writeAdtsHeader(*_adts, _adts->buffer);
 				onGetAAC(_adts);