Implement LegacyOutput.

[libsigrokflow.git] / src / main.cpp

diff --git a/src/main.cpp b/src/main.cpp
index 5ee4f425a68e3233fa7b8ca9abae820dc10c0f06..79af3ec39d45aa455d25cc50e00fa32e3d2c48cf 100644 (file)
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -34,16 +34,21 @@ void init()
                        "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");
+                       "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
+       Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
+                       "sigrok_legacy_output",
+                       "Wrapper for outputs using legacy libsigrok APIs",
+                       sigc::ptr_fun(&LegacyOutput::register_element),
+                       "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
 }
 
-GstBlock::GstBlock(GstElement *gobj) :
-       Gst::Element(gobj)
+Sink::Sink(GstBaseSink *gobj) :
+       Gst::BaseSink(gobj)
 {
 }
 
 Device::Device(GstElement *gobj) :
-       GstBlock(gobj)
+       Gst::Element(gobj)
 {
 }
 
@@ -103,9 +108,6 @@ 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);
@@ -155,4 +157,70 @@ void LegacyCaptureDevice::_run()
        _task->stop();
 }
 
+void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass)
+{
+       klass->set_metadata("sigrok legacy output",
+                       "Sink", "Wrapper for outputs using legacy libsigrok APIs",
+                       "Martin Ling");
+
+       klass->add_pad_template(Gst::PadTemplate::create(
+                       "sink",
+                       Gst::PAD_SINK,
+                       Gst::PAD_ALWAYS,
+                       Gst::Caps::create_any()));
+}
+
+bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
+{
+       Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output",
+                       0, Gst::register_mm_type<LegacyOutput>(
+                               "sigrok_legacy_output"));
+       return true;
+}
+
+LegacyOutput::LegacyOutput(GstBaseSink *gobj) :
+       Glib::ObjectBase(typeid(LegacyOutput)),
+       Sink(gobj)
+{
+       add_pad(_sink_pad = Gst::Pad::create(get_pad_template("sink"), "sink"));
+}
+
+Glib::RefPtr<LegacyOutput>LegacyOutput::create(
+       shared_ptr<sigrok::Output> libsigrok_output)
+{
+       auto element = Gst::ElementFactory::create_element("sigrok_legacy_output");
+       if (!element)
+               throw runtime_error("Failed to create element - plugin not registered?");
+       auto output = Glib::RefPtr<LegacyOutput>::cast_static(element);
+       output->_libsigrok_output = libsigrok_output;
+       return output;
+}
+
+shared_ptr<sigrok::Output> LegacyOutput::libsigrok_output()
+{
+       return _libsigrok_output;
+}
+
+Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
+{
+       Gst::MapInfo info;
+       buffer->map(info, Gst::MAP_READ);
+       auto context = _libsigrok_output->format()->parent();
+       auto packet = context->create_logic_packet(
+                       info.get_data(), info.get_size(), 2);
+       auto result = _libsigrok_output->receive(packet);
+       cout << result;
+       buffer->unmap(info);
+       return Gst::FLOW_OK;
+}
+
+bool LegacyOutput::stop_vfunc()
+{
+       auto context = _libsigrok_output->format()->parent();
+       auto end_packet = context->create_end_packet();
+       auto result = _libsigrok_output->receive(end_packet);
+       cout << result;
+       return true;
+}
+
 }