VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2026-06-02 22:14:45 -04:00
Code Issues Projects Releases Wiki Activity

qrtplib: draft (2)

Browse Source
This commit is contained in:
f4exb
2018-02-25 19:31:15 +01:00
parent 96014f0efb
commit b8147ffacc
9 changed files with 1107 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files
qrtplib/rtppacketbuilder.cpp
+26 -11
View File
@@ -9,7 +9,7 @@
This library was developed at the Expertise Centre for Digital Media
(http://www.edm.uhasselt.be), a research center of the Hasselt University
(http://www.uhasselt.be). The library is based upon work done for
(http://www.uhasselt.be). The library is based upon work done for
my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
Permission is hereby granted, free of charge, to any person obtaining a
@@ -46,6 +46,21 @@ namespace qrtplib
RTPPacketBuilder::RTPPacketBuilder(RTPRandom &r) : rtprnd(r), lastwallclocktime(0,0)
{
init = false;
deftsset = false;
defaultpayloadtype = 0;
lastrtptimestamp = 0;
ssrc = 0;
numcsrcs = 0;
defmarkset = false;
defaultmark = false;
defaulttimestampinc = 0;
timestamp = 0;
buffer = 0;
numpackets = 0;
seqnr = 0;
numpayloadbytes = 0;
prevrtptimestamp = 0;
defptset = false;
}
RTPPacketBuilder::~RTPPacketBuilder()
@@ -62,22 +77,22 @@ int RTPPacketBuilder::Init(std::size_t max)
if (max <= 0) {
return ERR_RTP_PACKBUILD_INVALIDMAXPACKETSIZE;
}
maxpacksize = max;
buffer = new uint8_t[max];
if (buffer == 0) {
return ERR_RTP_OUTOFMEM;
}
packetlength = 0;
CreateNewSSRC();
deftsset = false;
defptset = false;
defmarkset = false;
numcsrcs = 0;
init = true;
return 0;
}
@@ -102,7 +117,7 @@ int RTPPacketBuilder::SetMaximumPacketSize(std::size_t max)
if (newbuf == 0) {
return ERR_RTP_OUTOFMEM;
}
delete[] buffer;
buffer = newbuf;
maxpacksize = max;
@@ -135,7 +150,7 @@ int RTPPacketBuilder::DeleteCSRC(uint32_t csrc)
if (!init) {
return ERR_RTP_PACKBUILD_NOTINIT;
}
int i = 0;
bool found = false;
@@ -151,7 +166,7 @@ int RTPPacketBuilder::DeleteCSRC(uint32_t csrc)
if (!found) {
return ERR_RTP_PACKBUILD_CSRCNOTINLIST;
}
// move the last csrc in the place of the deleted one
numcsrcs--;
if (numcsrcs > 0 && numcsrcs != i) {
@@ -184,13 +199,13 @@ uint32_t RTPPacketBuilder::CreateNewSSRC()
uint32_t RTPPacketBuilder::CreateNewSSRC(RTPSources &sources)
{
bool found;
do
{
ssrc = rtprnd.GetRandom32();
found = sources.GotEntry(ssrc);
} while (found);
timestamp = rtprnd.GetRandom32();
seqnr = rtprnd.GetRandom16();
@@ -273,7 +288,7 @@ int RTPPacketBuilder::PrivateBuildPacket(const void *data, std::size_t len,
lastrtptimestamp = timestamp;
prevrtptimestamp = timestamp;
}
numpayloadbytes += (uint32_t)p.GetPayloadLength();
numpackets++;
timestamp += timestampinc;