/*
* This file is part of the libsigrokflow project.
*
+ * Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li>
* Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software: you can redistribute it and/or modify
#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)
{
{
}
-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)
-{
-}
-
-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