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[c-host] app: added pointer interface and support

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This commit is contained in:
Geoffrey McRae 2019-03-04 19:26:02 +11:00
parent 88c2e55acf
commit 273ef55857
2 changed files with 59 additions and 12 deletions
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65
c-host/app.c
View File

@ -59,19 +59,62 @@ static int pointerThread(void * opaque)
{
DEBUG_INFO("Pointer thread started");
#if 0
volatile KVMFRCursor * ci = &(app.shmHeader->cursor);
uint8_t flags;
while(app.running)
{
CapturePointer pointer;
pointer->data = app.pointerData;
if (!app.iface->getPointer(&pointer))
CaptureResult result;
CapturePointer pointer = { 0 };
result = app.iface->getPointer(&pointer);
if (result == CAPTURE_RESULT_REINIT)
{
DEBUG_ERROR("Failed to get the pointer");
app.reinit = true;
break;
}
if (result == CAPTURE_RESULT_ERROR)
{
DEBUG_ERROR("Failed to get the pointer");
break;
}
// wait for the client to finish with the previous update
while((ci->flags & ~KVMFR_CURSOR_FLAG_UPDATE) != 0 && app.running)
usleep(1000);
flags = KVMFR_CURSOR_FLAG_UPDATE;
ci->x = pointer.x;
ci->y = pointer.y;
flags |= KVMFR_CURSOR_FLAG_POS;
if (pointer.visible)
flags |= KVMFR_CURSOR_FLAG_VISIBLE;
// if we have shape data
if (pointer.shapeUpdate)
{
switch(pointer.format)
{
case CAPTURE_FMT_COLOR : ci->type = CURSOR_TYPE_COLOR ; break;
case CAPTURE_FMT_MONO : ci->type = CURSOR_TYPE_MONOCHROME ; break;
case CAPTURE_FMT_MASKED: ci->type = CURSOR_TYPE_MASKED_COLOR; break;
default:
DEBUG_ERROR("Invalid pointer format: %d", pointer.format);
continue;
}
ci->width = pointer.width;
ci->height = pointer.height;
ci->pitch = pointer.pitch;
ci->dataPos = app.pointerOffset;
++ci->version;
flags |= KVMFR_CURSOR_FLAG_SHAPE;
}
// update the flags for the client
ci->flags = flags;
}
#endif
DEBUG_INFO("Pointer thread stopped");
return 0;
@ -87,9 +130,11 @@ static int frameThread(void * opaque)
while(app.running)
{
CaptureResult result;
CaptureFrame frame;
CaptureFrame frame =
{
.data = app.frame[frameIndex]
};
frame.data = app.frame[frameIndex];
result = app.iface->getFrame(&frame);
if (result == CAPTURE_RESULT_REINIT)
{
@ -196,7 +241,7 @@ static bool captureRestart()
if (!stopThreads())
return false;
if (!app.iface->deinit() || !app.iface->init())
if (!app.iface->deinit() || !app.iface->init(app.pointerData, app.pointerDataSize))
{
DEBUG_ERROR("Failed to reinitialize the capture device");
return false;
@ -252,7 +297,7 @@ int app_main()
continue;
}
if (iface->init())
if (iface->init(app.pointerData, app.pointerDataSize))
break;
iface->free();

6
c-host/capture/interface.h
View File

@ -62,10 +62,12 @@ CaptureFrame;
typedef struct CapturePointer
{
int x, y;
bool visible;
bool shapeUpdate;
CaptureFormat format;
unsigned int width, height;
unsigned int pitch;
void * data;
}
CapturePointer;
@ -73,7 +75,7 @@ typedef struct CaptureInterface
{
const char * (*getName )();
bool (*create )();
bool (*init )();
bool (*init )(void * pointerShape, const unsigned int pointerSize);
bool (*deinit )();
void (*free )();
unsigned int (*getMaxFrameSize)();