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Implement server-side downgrade from udp

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This commit is contained in:
Lauri Kasanen
2022-10-03 14:54:40 +03:00
parent 6c0eff0828
commit 582740b3d8
12 changed files with 47 additions and 12 deletions
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11
common/rfb/TightEncoder.cxx
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@@ -57,7 +57,7 @@ static const TightConf conf[10] = {
};
TightEncoder::TightEncoder(SConnection* conn) :
Encoder(conn, encodingTight, EncoderPlain, 256)
Encoder(conn, encodingTight, EncoderPlain, 256), zlibNeedsReset(false)
{
setCompressLevel(-1);
}
@@ -166,7 +166,7 @@ void TightEncoder::writeFullColourRect(const PixelBuffer* pb, const Palette& pal
int stride, h;
os = conn->getOutStream(conn->cp.supportsUdp);
if (conn->cp.supportsUdp)
if (conn->cp.supportsUdp || zlibNeedsReset)
os->writeU8((streamId << 4) | (1 << streamId));
else
os->writeU8(streamId << 4);
@@ -247,7 +247,7 @@ rdr::OutStream* TightEncoder::getZlibOutStream(int streamId, int level, size_t l
zlibStreams[streamId].setUnderlying(&memStream);
zlibStreams[streamId].setCompressionLevel(level);
if (conn->cp.supportsUdp)
if (conn->cp.supportsUdp || zlibNeedsReset)
zlibStreams[streamId].resetDeflate();
return &zlibStreams[streamId];
@@ -272,6 +272,11 @@ void TightEncoder::flushZlibOutStream(rdr::OutStream* os_)
memStream.clear();
}
void TightEncoder::resetZlib()
{
zlibNeedsReset = true;
}
//
// Including BPP-dependent implementation of the encoder.
//