Euresys Coaxlink - Page 35

EGrabber for MultiCam usersCoaxlink Programmer's Guide
Euresys::EGrabber<> grabber(gentl, CARD_INDEX, DEVICE_INDEX);
Surface creation (automatic)
//MultiCam
status = McSetParamInt(channel, MC_SurfaceCount, BUFFER_COUNT);
if (status != MC_OK) {
...
}
//EGrabber
grabber.reallocBuffers(BUFFER_COUNT);
Surface creation (manual)
//MultiCam
for (size_t i = 0; i < BUFFER_COUNT; ++i) {
MCHANDLE surface;
MCSTATUS status;
void *mem = malloc(BUFFER_SIZE);
if (!mem) {
...
}
status = McCreate(MC_DEFAULT_SURFACE_HANDLE, &surface);
if (status != MC_OK) {
...
}
status = McSetParamInt(surface, MC_SurfaceSize, BUFFER_SIZE);
if (status != MC_OK) {
...
}
status = McSetParamPtr(surface, MC_SurfaceAddr, mem);
if (status != MC_OK) {
...
}
status = McSetParamPtr(surface, MC_SurfaceContext, USER_PTR[i]);
if (status != MC_OK) {
...
}
status = McSetParamInst(channel, MC_Cluster + i, surface);
if (status != MC_OK) {
...
}
}
//EGrabber
for (size_t i = 0; i < BUFFER_COUNT; ++i) {
void *mem = malloc(BUFFER_SIZE);
if (!mem) {
...
}
grabber.announceAndQueue(Euresys::UserMemory(mem, BUFFER_SIZE, USER_PTR[i]));
}
Surface cluster reset
//MultiCam
MCSTATUS status;
for (size_t i = 0; i < BUFFER_COUNT; ++i) {
MCHANDLE surface;
status = McGetParamInst(channel, MC_Cluster + i, &surface);
if (status != MC_OK) {
...
}
status = McSetParamInt(surface, MC_SurfaceState, MC_SurfaceState_FREE);
if (status != MC_OK) {
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