#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;
}
}
projects / libsigrokflow.git / blobdiff