Move device open and config_set calls to client.

[libsigrokflow.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 19d1f35eb733bd27d49e78f424fbaf3639cbb8ab..1601d868528f143f459d125228c06523d7c43996 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -30,20 +30,63 @@ using namespace std::placeholders;
 
 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", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
+}
+
+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"));
 }
 
 Glib::RefPtr<LegacyCaptureDevice>LegacyCaptureDevice::create(
        shared_ptr<sigrok::HardwareDevice> libsigrok_device)
 {
        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);
-
-       auto src_template = Gst::PadTemplate::create("src",
-                       Gst::PAD_SRC,
-                       Gst::PAD_ALWAYS,
-                       Gst::Caps::create_any());
-       device->_src_pad = Gst::Pad::create(src_template);
-       device->add_pad(device->_src_pad);
        device->_libsigrok_device = libsigrok_device;
        return device;
 }
@@ -60,9 +103,6 @@ Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange
                case Gst::STATE_CHANGE_READY_TO_PAUSED:
                        return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL;
                case Gst::STATE_CHANGE_PAUSED_TO_PLAYING:
-                       _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);
                        _src_pad->set_active(true);