void init()
{
+ Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
+ "sigrok_legacy_capture_device",
+ "Wrapper for capture devices using legacy libsigrok APIs",
+ sigc::ptr_fun(&LegacyCaptureDevice::register_element),
+ "0.01", "GPLv3+", "sigrok", "libsigrokflow", "http://sigrok.org");
}
-auto src_template = Gst::PadTemplate::create("src",
- Gst::PAD_SRC,
- Gst::PAD_ALWAYS,
- Gst::Caps::create_any());
+GstBlock::GstBlock(GstElement *gobj) :
+ Gst::Element(gobj)
+{
+}
+
+Device::Device(GstElement *gobj) :
+ GstBlock(gobj)
+{
+}
+
+CaptureDevice::CaptureDevice(GstElement *gobj) :
+ Device(gobj)
+{
+}
+
+void LegacyCaptureDevice::class_init(Gst::ElementClass<LegacyCaptureDevice> *klass)
+{
+ klass->set_metadata("sigrok legacy capture device",
+ "Source", "Wrapper for capture devices using legacy libsigrok APIs",
+ "Martin Ling");
+
+ klass->add_pad_template(Gst::PadTemplate::create(
+ "src",
+ Gst::PAD_SRC,
+ Gst::PAD_ALWAYS,
+ Gst::Caps::create_any()));
+}
+
+bool LegacyCaptureDevice::register_element(Glib::RefPtr<Gst::Plugin> plugin)
+{
+ Gst::ElementFactory::register_element(plugin, "sigrok_legacy_capture_device",
+ 0, Gst::register_mm_type<LegacyCaptureDevice>(
+ "sigrok_legacy_capture_device"));
+ return true;
+}
+
+LegacyCaptureDevice::LegacyCaptureDevice(GstElement *gobj) :
+ Glib::ObjectBase(typeid(LegacyCaptureDevice)),
+ CaptureDevice(gobj)
+{
+ add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src"));
+}
-LegacyCaptureDevice::LegacyCaptureDevice(shared_ptr<sigrok::HardwareDevice> device) :
- _device(device), _src_pad(Gst::Pad::create(src_template))
+Glib::RefPtr<LegacyCaptureDevice>LegacyCaptureDevice::create(
+ shared_ptr<sigrok::HardwareDevice> libsigrok_device)
{
- add_pad(_src_pad);
+ auto element = Gst::ElementFactory::create_element("sigrok_legacy_capture_device");
+ if (!element)
+ throw runtime_error("Failed to create element - plugin not registered?");
+ auto device = Glib::RefPtr<LegacyCaptureDevice>::cast_static(element);
+ device->_libsigrok_device = libsigrok_device;
+ return device;
}
shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device()
{
- return _device;
+ return _libsigrok_device;
}
Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition)
case Gst::STATE_CHANGE_READY_TO_PAUSED:
return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL;
case Gst::STATE_CHANGE_PAUSED_TO_PLAYING:
- _device->open();
- _device->config_set(sigrok::ConfigKey::LIMIT_SAMPLES,
+ _libsigrok_device->open();
+ _libsigrok_device->config_set(sigrok::ConfigKey::LIMIT_SAMPLES,
Glib::Variant<int>::create(10));
_task = Gst::Task::create(std::bind(&LegacyCaptureDevice::_run, this));
_task->set_lock(_mutex);
void LegacyCaptureDevice::_run()
{
- _session = _device->driver()->parent()->create_session();
- _session->add_device(_device);
+ _session = _libsigrok_device->driver()->parent()->create_session();
+ _session->add_device(_libsigrok_device);
_session->add_datafeed_callback(bind(&LegacyCaptureDevice::_datafeed_callback, this, _1, _2));
_session->start();
_session->run();