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[host] better sync, helps enormously with 4K!!!

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This commit is contained in:
Geoffrey McRae 2018-09-30 03:50:43 +10:00
parent 73a2597c8a
commit 471303a179
4 changed files with 118 additions and 110 deletions
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104
host/Capture/DXGI.cpp
View File

@ -348,12 +348,15 @@ size_t DXGI::GetMaxFrameSize()
return (m_width * m_height * 4);
}
GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct CursorInfo & cursor, ID3D11Texture2DPtr & texture, bool & timeout)
GrabStatus Capture::DXGI::Capture()
{
if (!m_initialized)
return GRAB_STATUS_ERROR;
timeout = false;
m_cursor.updated = false;
m_cursor.hasPos = false;
m_cursor.hasShape = false;
DXGI_OUTDUPL_FRAME_INFO frameInfo;
IDXGIResourcePtr res;
@ -368,10 +371,7 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
status = m_dup->AcquireNextFrame(1000, &frameInfo, &res);
if (status == DXGI_ERROR_WAIT_TIMEOUT)
{
timeout = true;
return GRAB_STATUS_OK;
}
return GRAB_STATUS_TIMEOUT;
if (FAILED(status))
break;
@ -385,27 +385,27 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
m_lastMousePos.x != frameInfo.PointerPosition.Position.x ||
m_lastMousePos.y != frameInfo.PointerPosition.Position.y
) {
cursor.updated = true;
cursor.hasPos = true;
cursor.x = frameInfo.PointerPosition.Position.x;
cursor.y = frameInfo.PointerPosition.Position.y;
m_cursor.updated = true;
m_cursor.hasPos = true;
m_cursor.x = frameInfo.PointerPosition.Position.x;
m_cursor.y = frameInfo.PointerPosition.Position.y;
m_lastMousePos.x = frameInfo.PointerPosition.Position.x;
m_lastMousePos.y = frameInfo.PointerPosition.Position.y;
}
if (m_lastMouseVis != frameInfo.PointerPosition.Visible)
{
cursor.updated = true;
m_cursor.updated = true;
m_lastMouseVis = frameInfo.PointerPosition.Visible;
}
cursor.visible = m_lastMouseVis == TRUE;
m_cursor.visible = m_lastMouseVis == TRUE;
}
// if the pointer shape has changed
if (frameInfo.PointerShapeBufferSize > 0)
{
cursor.updated = true;
m_cursor.updated = true;
if (m_pointerBufSize < frameInfo.PointerShapeBufferSize)
{
if (m_pointer)
@ -424,20 +424,20 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
switch (shapeInfo.Type)
{
case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_COLOR : cursor.type = CURSOR_TYPE_COLOR; break;
case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR: cursor.type = CURSOR_TYPE_MASKED_COLOR; break;
case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MONOCHROME : cursor.type = CURSOR_TYPE_MONOCHROME; break;
case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_COLOR : m_cursor.type = CURSOR_TYPE_COLOR; break;
case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MASKED_COLOR: m_cursor.type = CURSOR_TYPE_MASKED_COLOR; break;
case DXGI_OUTDUPL_POINTER_SHAPE_TYPE_MONOCHROME : m_cursor.type = CURSOR_TYPE_MONOCHROME; break;
default:
DEBUG_ERROR("Invalid cursor type");
return GRAB_STATUS_ERROR;
}
cursor.hasShape = true;
cursor.shape = m_pointer;
cursor.w = shapeInfo.Width;
cursor.h = shapeInfo.Height;
cursor.pitch = shapeInfo.Pitch;
cursor.dataSize = m_pointerSize;
m_cursor.hasShape = true;
m_cursor.shape = m_pointer;
m_cursor.w = shapeInfo.Width;
m_cursor.h = shapeInfo.Height;
m_cursor.pitch = shapeInfo.Pitch;
m_cursor.dataSize = m_pointerSize;
}
// if we also have frame data, break out to process it
@ -447,7 +447,7 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
res = NULL;
// if the cursor has been updated
if (cursor.updated)
if (m_cursor.updated)
return GRAB_STATUS_CURSOR;
// otherwise just try again
@ -477,9 +477,9 @@ GrabStatus Capture::DXGI::GrabFrameTexture(struct FrameInfo & frame, struct Curs
return GRAB_STATUS_ERROR;
}
res.QueryInterface(IID_PPV_ARGS(&texture));
res.QueryInterface(IID_PPV_ARGS(&m_ftexture));
if (!texture)
if (!m_ftexture)
{
ReleaseFrame();
DEBUG_ERROR("Failed to get src ID3D11Texture2D");
@ -495,6 +495,8 @@ GrabStatus Capture::DXGI::ReleaseFrame()
return GRAB_STATUS_OK;
m_releaseFrame = false;
m_ftexture = NULL;
switch (m_dup->ReleaseFrame())
{
case S_OK:
@ -512,21 +514,17 @@ GrabStatus Capture::DXGI::ReleaseFrame()
return GRAB_STATUS_OK;
}
GrabStatus Capture::DXGI::GrabFrameRaw(FrameInfo & frame, struct CursorInfo & cursor)
GrabStatus Capture::DXGI::DiscardFrame()
{
return ReleaseFrame();
}
GrabStatus Capture::DXGI::GrabFrameRaw(FrameInfo & frame)
{
GrabStatus result;
ID3D11Texture2DPtr texture;
bool timeout;
D3D11_MAPPED_SUBRESOURCE mapping;
result = GrabFrameTexture(frame, cursor, texture, timeout);
if (timeout)
return GRAB_STATUS_TIMEOUT;
if (result != GRAB_STATUS_OK)
return result;
m_deviceContext->CopyResource(m_texture[0], texture);
m_deviceContext->CopyResource(m_texture[0], m_ftexture);
result = ReleaseFrame();
if (result != GRAB_STATUS_OK)
@ -556,21 +554,12 @@ GrabStatus Capture::DXGI::GrabFrameRaw(FrameInfo & frame, struct CursorInfo & cu
return GRAB_STATUS_OK;
}
GrabStatus Capture::DXGI::GrabFrameYUV420(struct FrameInfo & frame, struct CursorInfo & cursor)
GrabStatus Capture::DXGI::GrabFrameYUV420(struct FrameInfo & frame)
{
GrabStatus result;
ID3D11Texture2DPtr texture;
bool timeout;
result = GrabFrameTexture(frame, cursor, texture, timeout);
if (timeout)
return GRAB_STATUS_TIMEOUT;
if (result != GRAB_STATUS_OK)
return result;
TextureList planes;
if (!m_textureConverter->Convert(texture, planes))
if (!m_textureConverter->Convert(m_ftexture, planes))
return GRAB_STATUS_ERROR;
for(int i = 0; i < 3; ++i)
@ -624,7 +613,7 @@ GrabStatus Capture::DXGI::GrabFrameYUV420(struct FrameInfo & frame, struct Curso
return GRAB_STATUS_OK;
}
GrabStatus Capture::DXGI::GrabFrameH264(struct FrameInfo & frame, struct CursorInfo & cursor)
GrabStatus Capture::DXGI::GrabFrameH264(struct FrameInfo & frame)
{
return GRAB_STATUS_ERROR;
#if 0
@ -673,16 +662,27 @@ GrabStatus Capture::DXGI::GrabFrameH264(struct FrameInfo & frame, struct CursorI
#endif
}
GrabStatus DXGI::GrabFrame(struct FrameInfo & frame, struct CursorInfo & cursor)
GrabStatus DXGI::GetFrame(struct FrameInfo & frame)
{
if (!m_ftexture)
{
DEBUG_ERROR("A frame has not been captured");
return GRAB_STATUS_ERROR;
}
frame.width = m_width;
frame.height = m_height;
switch (m_frameType)
{
case FRAME_TYPE_YUV420: return GrabFrameYUV420(frame, cursor);
case FRAME_TYPE_H264 : return GrabFrameH264 (frame, cursor);
case FRAME_TYPE_YUV420: return GrabFrameYUV420(frame);
case FRAME_TYPE_H264 : return GrabFrameH264 (frame);
}
return GrabFrameRaw(frame, cursor);
return GrabFrameRaw(frame);
}
const CursorInfo & DXGI::GetCursor()
{
return m_cursor;
}

15
host/Capture/DXGI.h
View File

@ -56,18 +56,23 @@ namespace Capture
enum FrameType GetFrameType();
size_t GetMaxFrameSize();
enum GrabStatus GrabFrame(struct FrameInfo & frame, struct CursorInfo & cursor);
GrabStatus Capture();
GrabStatus GetFrame (struct FrameInfo & frame );
const CursorInfo & GetCursor();
GrabStatus DiscardFrame();
private:
bool InitRawCapture();
bool InitYUV420Capture();
bool InitH264Capture();
GrabStatus GrabFrameTexture(struct FrameInfo & frame, struct CursorInfo & cursor, ID3D11Texture2DPtr & texture, bool & timeout);
struct CursorInfo m_cursor;
ID3D11Texture2DPtr m_ftexture;
GrabStatus ReleaseFrame();
GrabStatus GrabFrameRaw (struct FrameInfo & frame, struct CursorInfo & cursor);
GrabStatus GrabFrameYUV420 (struct FrameInfo & frame, struct CursorInfo & cursor);
GrabStatus GrabFrameH264 (struct FrameInfo & frame, struct CursorInfo & cursor);
GrabStatus GrabFrameRaw (struct FrameInfo & frame);
GrabStatus GrabFrameYUV420 (struct FrameInfo & frame);
GrabStatus GrabFrameH264 (struct FrameInfo & frame);
CaptureOptions * m_options;

5
host/ICapture.h
View File

@ -71,5 +71,8 @@ public:
virtual bool ReInitialize() = 0;
virtual enum FrameType GetFrameType() = 0;
virtual size_t GetMaxFrameSize() = 0;
virtual enum GrabStatus GrabFrame(struct FrameInfo & frame, struct CursorInfo & cursor) = 0;
virtual enum GrabStatus Capture() = 0;
virtual enum GrabStatus GetFrame(struct FrameInfo & frame) = 0;
virtual const CursorInfo & GetCursor() = 0;
virtual enum GrabStatus DiscardFrame() = 0;
};

68
host/Service.cpp
View File

@ -98,8 +98,8 @@ bool Service::Initialize(ICapture * captureDevice)
m_shmHeader->version = KVMFR_HEADER_VERSION;
// zero and tell the client we have restarted
ZeroMemory(&m_shmHeader->frame , sizeof(KVMFRFrame ));
ZeroMemory(&m_shmHeader->cursor, sizeof(KVMFRCursor));
ZeroMemory(&(m_shmHeader->frame ), sizeof(KVMFRFrame ));
ZeroMemory(&(m_shmHeader->cursor), sizeof(KVMFRCursor));
m_shmHeader->flags &= ~KVMFR_HEADER_FLAG_RESTART;
m_haveFrame = false;
@ -171,12 +171,8 @@ bool Service::Process()
if (!m_initialized)
return false;
volatile uint8_t *flags = &m_shmHeader->flags;
int tryCount = 0;
volatile uint8_t *flags = &(m_shmHeader->flags);
// wait for the host to notify that is it is ready to proceed
while (true)
{
// check if the client has flagged a restart
if (*flags & KVMFR_HEADER_FLAG_RESTART)
{
@ -194,31 +190,9 @@ bool Service::Process()
}
INTERLOCKED_AND8((volatile char *)flags, ~(KVMFR_HEADER_FLAG_RESTART));
break;
}
// check if the client has flagged it's ready for a frame
if (!(m_shmHeader->frame.flags & KVMFR_FRAME_FLAG_UPDATE))
break;
// save CPU if the client has stopped polling for updates
if (++tryCount > m_tryTarget * 400)
{
m_tryTarget = 250;
Sleep(100);
}
}
int diff = (tryCount - m_lastTryCount) / 200;
m_lastTryCount = tryCount;
m_tryTarget += diff;
if (m_tryTarget < 250)
m_tryTarget = 250;
struct FrameInfo frame = {0};
struct CursorInfo cursor = {0};
frame.buffer = m_frame[m_frameIndex];
frame.bufferSize = m_frameSize;
GrabStatus result;
bool ok = false;
bool cursorOnly = false;
@ -226,7 +200,7 @@ bool Service::Process()
for(int i = 0; i < 2; ++i)
{
// capture a frame of data
switch (m_capture->GrabFrame(frame, cursor))
switch (m_capture->Capture())
{
case GRAB_STATUS_OK:
ok = true;
@ -298,6 +272,8 @@ bool Service::Process()
return false;
}
const CursorInfo & cursor = m_capture->GetCursor();
if (cursor.updated)
{
EnterCriticalSection(&m_cursorCS);
@ -326,24 +302,48 @@ bool Service::Process()
if (!cursorOnly)
{
KVMFRFrame * fi = &m_shmHeader->frame;
volatile KVMFRFrame * fi = &(m_shmHeader->frame);
// only update the header if the frame is new
if (!repeat)
{
FrameInfo frame = { 0 };
frame.buffer = m_frame[m_frameIndex];
frame.bufferSize = m_frameSize;
result = m_capture->GetFrame(frame);
if (result != GRAB_STATUS_OK)
return result;
/* don't touch the frame inforamtion until the client is done with it */
while (fi->flags & KVMFR_FRAME_FLAG_UPDATE)
{
if (*flags & KVMFR_HEADER_FLAG_RESTART)
break;
}
fi->type = m_capture->GetFrameType();
fi->width = frame.width;
fi->height = frame.height;
fi->stride = frame.stride;
fi->pitch = frame.pitch;
fi->dataPos = m_dataOffset[m_frameIndex];
}
if (++m_frameIndex == MAX_FRAMES)
m_frameIndex = 0;
// remember that we have a valid frame
m_haveFrame = true;
}
else
{
/* don't touch the frame inforamtion until the client is done with it */
while (fi->flags & KVMFR_FRAME_FLAG_UPDATE)
{
if (*flags & KVMFR_HEADER_FLAG_RESTART)
break;
}
}
// signal a frame update
fi->flags |= KVMFR_FRAME_FLAG_UPDATE;
@ -361,7 +361,7 @@ DWORD Service::CursorThread()
if (WaitForSingleObject(m_cursorEvent, 1000) != WAIT_OBJECT_0)
continue;
KVMFRCursor * cursor = &m_shmHeader->cursor;
volatile KVMFRCursor * cursor = &(m_shmHeader->cursor);
// wait until the client is ready
while (cursor->flags != 0)
{