/*
* 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()
-{
-}
-
-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;
-}
-
-shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device()
-{
- return _libsigrok_device;
-}
-
-Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition)
+Sink::Sink(GstBaseSink *gobj) :
+ Gst::BaseSink(gobj)
{
- switch (transition)
- {
- 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);
- _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)
+Device::Device(GstElement *gobj) :
+ Gst::Element(gobj)
{
- (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()
+CaptureDevice::CaptureDevice(GstElement *gobj) :
+ Device(gobj)
{
- _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();
}
}