static VALUE OpenVX_load(VALUE self, VALUE name)
{
vx_status status = VX_FAILURE;
Check_Type(name, T_STRING);
status = vxLoadModule(context, RSTRING(name)->ptr);
REXT_PRINT("status = %d\n", status);
return Qnil;
}
int main(int argc, char* argv[])
{
vxModule* module;
vxSource* source;
/* initialise a new AR Toolkit state */
art = artCreate();
/* set debugging */
artSetInteger(art, artDebug, 0);
/* load a pattern onto a marker */
hiro_marker = artLoadMarker(art,"Data/patt.hiro",80.0);
/* load the camera parameter */
artLoadCameraParameter(art,"Data/camera_para.dat");
/** register a module */
module = vxLoadModule(argv[1]);
/** create a source from that module */
source = vxCreate(module);
/** configure the source */
vxConfig(source, "v4lsrc ! ffmpegcolorspace ! capsfilter caps=video/x-raw-rgb,bpp=24 ! identity name=vxsink ! ffmpegcolorspace ! autovideosink");
/** start capturing */
vxStart(source,&vxCaptureCallback,0);
while (vxOK == vxUpdate(source,vxNext)) {
};
}
vx_status vxLoadKernels(vx_context c, vx_char *name)
{
vx_context_t *context = (vx_context_t *)c;
vx_status status = VX_FAILURE;
vx_char module[VX_INT_MAX_PATH];
vx_uint32 m = 0;
vx_publish_kernels_f publish = NULL;
sprintf(module, VX_MODULE_NAME("%s"), (name?name:"openvx-ext"));
if (vxIsValidContext(context) == vx_false_e)
{
VX_PRINT(VX_ZONE_ERROR, "Context is invalid!\n");
return VX_ERROR_INVALID_REFERENCE;
}
for (m = 0; m < VX_INT_MAX_MODULES; m++)
{
if (context->modules[m].handle == NULL)
{
context->modules[m].handle = vxLoadModule(module);
if (context->modules[m].handle)
{
vx_symbol_t sym = vxGetSymbol(context->modules[m].handle, "vxPublishKernels");
publish = (vx_publish_kernels_f)sym;
if (publish == NULL)
{
VX_PRINT(VX_ZONE_ERROR, "Failed to load symbol vxPublishKernels\n");
status = VX_ERROR_INVALID_MODULE;
vxUnloadModule(context->modules[m].handle);
context->modules[m].handle = NULL;
}
else
{
VX_PRINT(VX_ZONE_INFO, "Calling %s publish function\n", module);
status = publish((vx_context)context);
if (status != VX_SUCCESS)
{
VX_PRINT(VX_ZONE_ERROR, "Failed to publish kernels in module\n");
vxUnloadModule(context->modules[m].handle);
context->modules[m].handle = NULL;
}
else
{
strncpy(context->modules[m].name, name, VX_INT_MAX_PATH);
context->numMods++;
}
}
}
else
{
VX_PRINT(VX_ZONE_ERROR, "Failed to find module %s in libraries path\n", module);
}
break;
}
else
{
VX_PRINT(VX_ZONE_CONTEXT, "module[%u] is used\n", m);
}
}
if (status != VX_SUCCESS)
{
VX_PRINT(VX_ZONE_ERROR, "Failed to load module %s; error %d\n", module, status);
}
else
{
for (m = 0; m < context->numMods; m++)
{
VX_PRINT(VX_ZONE_INFO, "Module: %s\n", context->modules[m].name);
}
}
return status;
}
