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[host] improve mouse sync with the client

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This commit is contained in:
Geoffrey McRae
2018-10-09 17:48:44 +11:00
parent d8b4d0c1ce
commit db907b1b67
4 changed files with 101 additions and 83 deletions
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133
host/Service.cpp
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@@ -193,87 +193,88 @@ bool Service::Process()
INTERLOCKED_AND8(flags, ~(KVMFR_HEADER_FLAG_RESTART));
}
GrabStatus result;
unsigned int status;
bool ok = false;
bool cursorOnly = false;
bool repeat = false;
for(int i = 0; i < 2; ++i)
{
// capture a frame of data
switch (m_capture->Capture())
status = m_capture->Capture();
if (status & GRAB_STATUS_OK)
{
case GRAB_STATUS_OK:
ok = true;
break;
case GRAB_STATUS_TIMEOUT:
if (m_haveFrame)
{
ok = true;
repeat = true;
break;
}
// capture timeouts are not errors
--i;
continue;
case GRAB_STATUS_CURSOR:
ok = true;
cursorOnly = true;
break;
case GRAB_STATUS_ERROR:
DEBUG_ERROR("Capture failed");
return false;
case GRAB_STATUS_REINIT:
DEBUG_INFO("ReInitialize Requested");
INTERLOCKED_OR8(flags, KVMFR_HEADER_FLAG_PAUSED);
if(WTSGetActiveConsoleSessionId() != m_consoleSessionID)
{
DEBUG_INFO("User switch detected, waiting to regain control");
while (WTSGetActiveConsoleSessionId() != m_consoleSessionID)
Sleep(100);
}
while (!m_capture->CanInitialize())
Sleep(100);
if (!m_capture->ReInitialize())
{
DEBUG_ERROR("ReInitialize Failed");
return false;
}
if (m_capture->GetMaxFrameSize() > m_frameSize)
{
DEBUG_ERROR("Maximum frame size of %zd bytes excceds maximum space available", m_capture->GetMaxFrameSize());
return false;
}
INTERLOCKED_AND8(flags, ~KVMFR_HEADER_FLAG_PAUSED);
// re-init request should not count towards a failure to capture
--i;
continue;
ok = true;
break;
}
if (ok)
break;
if (status & GRAB_STATUS_TIMEOUT)
{
if (m_haveFrame)
{
ok = true;
repeat = true;
break;
}
// timeouts should not count towards a failure to capture
--i;
continue;
}
if (status & GRAB_STATUS_ERROR)
{
DEBUG_ERROR("Capture failed, retrying");
continue;
}
if (status & GRAB_STATUS_REINIT)
{
DEBUG_INFO("ReInitialize Requested");
INTERLOCKED_OR8(flags, KVMFR_HEADER_FLAG_PAUSED);
if (WTSGetActiveConsoleSessionId() != m_consoleSessionID)
{
DEBUG_INFO("User switch detected, waiting to regain control");
while (WTSGetActiveConsoleSessionId() != m_consoleSessionID)
Sleep(100);
}
while (!m_capture->CanInitialize())
Sleep(100);
if (!m_capture->ReInitialize())
{
DEBUG_ERROR("ReInitialize Failed");
return false;
}
if (m_capture->GetMaxFrameSize() > m_frameSize)
{
DEBUG_ERROR("Maximum frame size of %zd bytes excceds maximum space available", m_capture->GetMaxFrameSize());
return false;
}
INTERLOCKED_AND8(flags, ~KVMFR_HEADER_FLAG_PAUSED);
// re-init request should not count towards a failure to capture
--i;
continue;
}
DEBUG_ERROR("Capture interface returned an unexpected result");
return false;
}
if (!ok)
{
DEBUG_ERROR("Capture retry count exceeded");
return false;
}
SetEvent(m_cursorEvent);
if (status & GRAB_STATUS_CURSOR)
SetEvent(m_cursorEvent);
if (!cursorOnly)
if (status & GRAB_STATUS_FRAME)
{
volatile KVMFRFrame * fi = &(m_shmHeader->frame);
@@ -284,7 +285,7 @@ bool Service::Process()
frame.buffer = m_frame[m_frameIndex];
frame.bufferSize = m_frameSize;
result = m_capture->GetFrame(frame);
GrabStatus result = m_capture->GetFrame(frame);
if (result != GRAB_STATUS_OK)
{
DEBUG_INFO("GetFrame failed");