toy/AW-Security-Media-Lib
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This commit is contained in:
AlanRen 2023-10-30 13:54:23 -06:00
parent 471a3cabea
commit e59d1b24d3
4 changed files with 31 additions and 7 deletions
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6
.vscode/launch.json vendored
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@ -35,8 +35,10 @@
// "127.0.0.1","40001","udp src port 20002"],
// "args": ["/media/alan/Data/Alan/Documents/WorkSpace/SecMedia/PcapSender/signhw28181.pcap",
// "127.0.0.1","30001","udp src port 55763"],
"args": ["/media/alan/Data/Alan/Documents/WorkSpace/SecMedia/PcapRawSender/h265-hikvision-10min.pcap",
"127.0.0.1","40001","udp src port 15060"], //h265
// "args": ["/media/alan/Data/Alan/Documents/WorkSpace/SecMedia/PcapRawSender/h265-hikvision-10min.pcap",
// "127.0.0.1","40001","udp src port 15060"], //h265
"args": ["/media/alan/Data/Alan/Documents/WorkSpace/SecMedia/PcapSender/hkh264.pcap",
"127.0.0.1","60006","udp src port 15060"],
"stopAtEntry": false,
"cwd": "${workspaceFolder}",
"environment": [],

4
PcapSender/main.cpp
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@ -73,6 +73,7 @@ timespec TimeDiff(T && minu,U && sub){
}
int ReadPcapAndSend(int socket,sockaddr_in & addr,const string & filename,const string & filter,void * sign_handle){
// auto sign_h2=EncrypInit();
auto reader=pcpp::IFileReaderDevice::getReader(filename);
// verify that a reader interface was indeed created
if (reader == NULL)
@ -141,6 +142,8 @@ int ReadPcapAndSend(int socket,sockaddr_in & addr,const string & filename,const
sendto(socket,sign_out_buf,offset_len,0,(const sockaddr*)&addr,sizeof(addr));
sendto(socket,sign_out_buf+offset_len,sign_out_len-offset_len,0,(const sockaddr*)&addr,sizeof(addr));
}
// GB28181_stream_in(sign_h2,(char*)payload,payload_len,nullptr);
// GB28181_stream_out(sign_h2,sign_out_buf,&sign_out_len,&offset_len,&append_len, &param);
@ -219,6 +222,7 @@ int main(int argc, char *argv[]){
// {
cout.flush();
auto sign_h=EncrypInit();
ReadPcapAndSend(sockfd,addr,filename,filter,sign_h);
// }

7
src/GB28181/L2SecurityStream.cpp
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@ -175,10 +175,9 @@ void L2SecurityStream::ThreadSign(){
int L2UdpStream::RtpInput(const uint8_t* data,uint16_t len, void *param){
RTPpackage::rtp_cb_f rtp_cell_cb=[&](const RTPcell::Ptr &rtp_cell){
static uint16_t prv_seq=0;
rtp_cell->precessRTP();
if( (uint32_t)(prv_seq+1)%(uint32_t)(UINT16_MAX+1) == rtp_cell->seq || prv_seq==0){
if( (uint32_t)(_prv_seq+1)%(uint32_t)(UINT16_MAX+1) == rtp_cell->seq || _prv_seq==0){
// INFOL("PT: %u Seq: %u PT_len: %u mark: %u\n",rtp_cell->PT,rtp_cell->seq,rtp_cell->_PT_len,(uint8_t)rtp_cell->mark);
_rtp_decoder.decodeRtp(rtp_cell->_buffer,rtp_cell->_RTP_len);
// on_rtp_out(rtp_cell->_PT_data,rtp_cell->_PT_len,rtp_cell->timestamp,(int)rtp_cell->mark);
@ -187,9 +186,9 @@ void L2SecurityStream::ThreadSign(){
rtp_post_process(rtp_cell);
}else
{
WRNGL("Disorder rtp Seq: %u+1 != %u \n",prv_seq,rtp_cell->seq);
WRNGL("Disorder rtp Seq: %u+1 != %u \n",_prv_seq,rtp_cell->seq);
}
prv_seq=rtp_cell->seq;
_prv_seq=rtp_cell->seq;
};
RTPpackage::Ptr RTPpkg=make_shared<RTPpackage>(rtp_cell_cb,true);

21
src/GB28181/L2SecurityStream.h
View File

@ -87,6 +87,8 @@ class L2UdpStream: public L2SecurityStream
protected:
uint16_t _seq_increment=0;
RtpDecoder _rtp_decoder;
private:
uint16_t _prv_seq=0;
public:
L2UdpStream(sec_set_info* set_info):L2SecurityStream(set_info){
_rtp_decoder.setOnDecode([&](const uint8_t *packet, int bytes, uint32_t timestamp, int flags){
@ -105,20 +107,37 @@ protected:
_seq_increment%=UINT16_MAX;
_seq_increment++;
uint16_t seq=((uint32_t)_seq_increment+rtp_cell->seq)%((uint32_t)UINT16_MAX+1);
// if( (uint32_t)(_prv_seq+1)%(uint32_t)(UINT16_MAX+1) == seq || _prv_seq==0){
// _prv_seq=seq;
// }else{
// _prv_seq=seq;
// ERROL("OUTPUT Disorder rtp Seq: %u+1 != %u \n",_prv_seq,seq);
// }
if(seq<rtp_cell->seq){
_seq_increment=0;
}
// DEBUGL("increase seq:%u inc:%u\n",seq,_seq_increment);
seq=htons(seq);
memcpy(buf_ptr+rtp_cell->_tcp_prefix+2,(uint8_t*)&seq,2); // change sequence
return buf_ptr+rtp_cell->_prefix;
}
private:
void incrementRTPseq(const RTPcell::Ptr &rtp_cell) const {
void incrementRTPseq(const RTPcell::Ptr &rtp_cell) {
uint16_t seq=((uint32_t)_seq_increment+(uint32_t)rtp_cell->seq)%((uint32_t)UINT16_MAX+1);
// DEBUGL("modify seq:%u old:%u inc:%u\n",seq,rtp_cell->seq,_seq_increment);
// if( (uint32_t)(_prv_seq+1)%(uint32_t)(UINT16_MAX+1) == seq || _prv_seq==0){
// _prv_seq=seq;
// }else{
// _prv_seq=seq;
// ERROL("OUTPUT Disorder rtp Seq: %u+1 != %u \n",_prv_seq,seq);
// }
if(rtp_cell->_RTPpkg_ptr){
seq=htons(seq);
rtp_cell->_RTPpkg_ptr->modifyData(rtp_cell->_RTPpkg_head_pos+rtp_cell->_tcp_prefix+2,(uint8_t*)&seq,2);
}
}
};