public Gst::Element
{
/* Operations specific to sigrok GStreamer blocks go here. */
+protected:
+ explicit GstBlock(GstElement *gobj);
};
class Device :
public GstBlock
{
/* Operations specific to hardware devices go here */
+protected:
+ explicit Device(GstElement *gobj);
};
class CaptureDevice :
public Device
{
/* Operations specific to capture (source) devices go here */
-protected :
- CaptureDevice();
+protected:
+ explicit CaptureDevice(GstElement *gobj);
};
class LegacyCaptureDevice :
public CaptureDevice
{
public:
- /* Construct from libsigrok device object */
- LegacyCaptureDevice(shared_ptr<sigrok::Device>);
+ /* Create from libsigrok device object */
+ static Glib::RefPtr<LegacyCaptureDevice> create(
+ shared_ptr<sigrok::HardwareDevice> libsigrok_device);
/* Retrieve libsigrok device object */
- shared_ptr<sigrok::Device> libsigrok_device();
+ shared_ptr<sigrok::HardwareDevice> libsigrok_device();
+
+ /* Override state change */
+ Gst::StateChangeReturn change_state_vfunc(Gst::StateChange transition);
+
+ /* Gst class init */
+ static void class_init(Gst::ElementClass<LegacyCaptureDevice> *klass);
+
+ /* Register class with plugin */
+ static bool register_element(Glib::RefPtr<Gst::Plugin> plugin);
+
+ /* Construcor used by element factory */
+ explicit LegacyCaptureDevice(GstElement *gobj);
private:
- shared_ptr<sigrok::Device> _device;
+ shared_ptr<sigrok::HardwareDevice> _libsigrok_device;
+ Glib::RefPtr<Gst::Pad> _src_pad;
+ Glib::Threads::RecMutex _mutex;
+ Glib::RefPtr<Gst::Task> _task;
+ shared_ptr<sigrok::Session> _session;
+
+ void _datafeed_callback(shared_ptr<sigrok::Device> device,
+ shared_ptr<sigrok::Packet> packet);
+ void _run();
};