X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fmain.cpp;h=79af3ec39d45aa455d25cc50e00fa32e3d2c48cf;hb=e2cfc0efeadec350376bffbe9250a27c6aa9788d;hp=96d720e235a9d62228e50d7c620cfada076dd8b5;hpb=b903bb0a1cd93d39195e812317e20e353b6d1ea8;p=libsigrokflow.git

diff --git a/src/main.cpp b/src/main.cpp
index 96d720e..79af3ec 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -20,11 +20,207 @@
 #include <config.h>
 #include <libsigrokflow/libsigrokflow.hpp>
 
+#include <iostream>
+
 namespace Srf
 {
 
+using namespace std;
+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");
+	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");
+}
+
+Sink::Sink(GstBaseSink *gobj) :
+	Gst::BaseSink(gobj)
+{
+}
+
+Device::Device(GstElement *gobj) :
+	Gst::Element(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);
+	device->_libsigrok_device = libsigrok_device;
+	return device;
+}
+
+shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device()
+{
+	return _libsigrok_device;
+}
+
+Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition)
+{
+	switch (transition)
+	{
+		case Gst::STATE_CHANGE_READY_TO_PAUSED:
+			return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL;
+		case Gst::STATE_CHANGE_PAUSED_TO_PLAYING:
+			_task = Gst::Task::create(std::bind(&LegacyCaptureDevice::_run, this));
+			_task->set_lock(_mutex);
+			_src_pad->set_active(true);
+			_task->start();
+			return Gst::STATE_CHANGE_SUCCESS;
+		default:
+			return Gst::STATE_CHANGE_SUCCESS;
+	}
+}
+
+void LegacyCaptureDevice::_datafeed_callback(
+	shared_ptr<sigrok::Device> device,
+	shared_ptr<sigrok::Packet> packet)
+{
+	(void) device;
+	switch (packet->type()->id()) {
+		case SR_DF_LOGIC:
+		{
+			auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
+			auto mem = Gst::Memory::create(
+					Gst::MEMORY_FLAG_READONLY,
+					logic->data_pointer(),
+					logic->data_length(),
+					0,
+					logic->data_length());
+			auto buf = Gst::Buffer::create();
+			buf->append_memory(move(mem));
+			_src_pad->push(move(buf));
+			break;
+		}
+		case SR_DF_END:
+			_session->stop();
+			_src_pad->push_event(Gst::EventEos::create());
+			break;
+		default:
+			break;
+	}
+}
+
+void LegacyCaptureDevice::_run()
+{
+	_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();
+	_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;
 }
 
 }