void NetInterface::sendConnectReject(NetConnection *conn, const char *reason)
{
if(!reason)
return; // if the stream is NULL, we reject silently
BitStream *out = BitStream::getPacketStream();
out->write(U8(ConnectReject));
out->write(conn->getSequence());
out->writeString(reason);
BitStream::sendPacketStream(conn->getNetAddress());
}
void NetInterface::sendDisconnectPacket(NetConnection *conn, const char *reason)
{
Con::printf("Issuing Disconnect packet.");
// send a disconnect packet...
U32 connectSequence = conn->getSequence();
BitStream *out = BitStream::getPacketStream();
out->write(U8(Disconnect));
out->write(connectSequence);
out->writeString(reason);
BitStream::sendPacketStream(conn->getNetAddress());
}
void NetInterface::sendConnectRequest(NetConnection *conn)
{
BitStream *out = BitStream::getPacketStream();
out->write(U8(ConnectRequest));
out->write(conn->getSequence());
U32 addressDigest[4];
conn->getAddressDigest(addressDigest);
out->write(addressDigest[0]);
out->write(addressDigest[1]);
out->write(addressDigest[2]);
out->write(addressDigest[3]);
out->writeString(conn->getClassName());
conn->writeConnectRequest(out);
conn->mConnectSendCount++;
conn->mConnectLastSendTime = Platform::getVirtualMilliseconds();
BitStream::sendPacketStream(conn->getNetAddress());
}
void ElementaryStreamDescriptorBox::writeBox(BitStream& bitstr) const
{
writeFullBoxHeader(bitstr);
bitstr.write8Bits(mES_Descriptor.ES_DescrTag);
bool esSizeConverged = false;
std::uint64_t esSizeSize;
std::uint32_t esDescriptorSize = mES_Descriptor.size;
BitStream esBitstr;
/* Write the whole stuff, then figure out if we wrote the correct
* size for it (we allos mES_Descriptor to be incorrect); rewrite
* everything with the correct size. However, this may increase
* the size due to bigger size having been written and thus moving
* the remaining of the data forward, so we may need to loop even
* thrice. */
while (!esSizeConverged)
{
esBitstr.clear();
esSizeSize = writeSize(esBitstr, esDescriptorSize);
esBitstr.write16Bits(mES_Descriptor.ES_ID);
esBitstr.write8Bits(mES_Descriptor.flags);
if (mES_Descriptor.flags & 0x80) // streamDependenceFlag as defined in 7.2.6.5.1 of ISO/IEC 14486-1:2010(E)
{
esBitstr.write16Bits(mES_Descriptor.dependsOn_ES_ID);
}
if (mES_Descriptor.flags & 0x40) // URL_Flag as defined in 7.2.6.5.1 of ISO/IEC 14486-1:2010(E)
{
esBitstr.write8Bits(mES_Descriptor.URLlength);
if (mES_Descriptor.URLlength)
{
esBitstr.writeString(mES_Descriptor.URLstring);
}
}
if (mES_Descriptor.flags & 0x20) // OCRstreamFlag as defined in 7.2.6.5.1 of ISO/IEC 14486-1:2010(E)
{
esBitstr.write16Bits(mES_Descriptor.OCR_ES_Id);
}
esBitstr.write8Bits(mES_Descriptor.decConfigDescr.DecoderConfigDescrTag);
BitStream decConfigBitstr;
std::uint64_t decConfigSize = mES_Descriptor.decConfigDescr.size;
std::uint64_t decConfigSizeSize;
bool decConfigSizeConverged = false;
while (!decConfigSizeConverged)
{
decConfigBitstr.clear();
decConfigSizeSize = writeSize(decConfigBitstr, static_cast<uint32_t>(decConfigSize));
decConfigBitstr.write8Bits(mES_Descriptor.decConfigDescr.objectTypeIndication);
decConfigBitstr.write8Bits((mES_Descriptor.decConfigDescr.streamType << 2) | 0x01);
decConfigBitstr.write24Bits(mES_Descriptor.decConfigDescr.bufferSizeDB);
decConfigBitstr.write32Bits(mES_Descriptor.decConfigDescr.maxBitrate);
decConfigBitstr.write32Bits(mES_Descriptor.decConfigDescr.avgBitrate);
if (mES_Descriptor.decConfigDescr.decSpecificInfo.DecSpecificInfoTag == 5)
{
writeDecoderSpecificInfo(decConfigBitstr, mES_Descriptor.decConfigDescr.decSpecificInfo);
}
for (const auto& decSpecificInfo : mOtherDecSpecificInfo)
{
writeDecoderSpecificInfo(decConfigBitstr, decSpecificInfo);
}
decConfigSizeConverged = decConfigBitstr.getSize() == std::uint64_t(decConfigSize) + decConfigSizeSize;
if (!decConfigSizeConverged)
{
decConfigSize = decConfigBitstr.getSize() - decConfigSizeSize;
}
}
esBitstr.writeBitStream(decConfigBitstr);
esSizeConverged = esBitstr.getSize() == std::uint64_t(esDescriptorSize) + esSizeSize;
if (!esSizeConverged)
{
esDescriptorSize = std::uint32_t(esBitstr.getSize() - esSizeSize);
}
}
bitstr.writeBitStream(esBitstr);
updateSize(bitstr);
}
