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[host] reworked capture to capture at the hosts's frame rate

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This will help frame delivery to the host arrive on time, as well as
allow lower latency with a higher host refresh rate.

Data offset addresses are now also pre-calculated rather then
updated on every frame.
This commit is contained in:
Geoffrey McRae
2017-12-03 22:03:22 +11:00
parent aa191f6c90
commit a54f3000f5
3 changed files with 67 additions and 63 deletions
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2
host/Capture/NvFBC.cpp
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@@ -154,7 +154,7 @@ bool NvFBC::Initialize(CaptureOptions * options)
ZeroMemory(&m_grabFrameParams, sizeof(NVFBC_TOSYS_GRAB_FRAME_PARAMS));
ZeroMemory(&m_grabInfo, sizeof(NvFBCFrameGrabInfo));
m_grabFrameParams.dwVersion = NVFBC_TOSYS_GRAB_FRAME_PARAMS_VER;
m_grabFrameParams.dwFlags = NVFBC_TOSYS_WAIT_WITH_TIMEOUT;
m_grabFrameParams.dwFlags = NVFBC_TOSYS_NOWAIT;
m_grabFrameParams.dwWaitTime = 100;
m_grabFrameParams.eGMode = NVFBC_TOSYS_SOURCEMODE_FULL;
m_grabFrameParams.dwStartX = 0;