/*
* 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>
+#include <libsigrokflow/libsigrokflow.hpp>
namespace Srf
{
using namespace std;
using namespace std::placeholders;
-void init()
+Sink::Sink(GstBaseSink *gobj) :
+ Gst::BaseSink(gobj)
+{
+}
+
+Device::Device(GstElement *gobj) :
+ Gst::Element(gobj)
+{
+}
+
+CaptureDevice::CaptureDevice(GstElement *gobj) :
+ Device(gobj)
+{
+}
+
+#ifdef HAVE_LIBSIGROKCXX
+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;
- 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;
+ 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:
- _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;
+ 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(
+void LegacyCaptureDevice::datafeed_callback_(
shared_ptr<sigrok::Device> device,
shared_ptr<sigrok::Packet> packet)
{
- (void) device;
+ (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;
+ 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()
+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 LegacyInput::class_init(Gst::ElementClass<LegacyInput> *klass)
{
- _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();
+ klass->set_metadata("sigrok legacy input",
+ "Transform", "Wrapper for inputs using legacy libsigrok APIs",
+ "Martin Ling");
+
+ klass->add_pad_template(Gst::PadTemplate::create(
+ "sink",
+ Gst::PAD_SINK,
+ Gst::PAD_ALWAYS,
+ Gst::Caps::create_any()));
+
+ klass->add_pad_template(Gst::PadTemplate::create(
+ "src",
+ Gst::PAD_SRC,
+ Gst::PAD_ALWAYS,
+ Gst::Caps::create_any()));
+}
+
+bool LegacyInput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
+{
+ Gst::ElementFactory::register_element(plugin, "sigrok_legacy_input",
+ 0, Gst::register_mm_type<LegacyInput>(
+ "sigrok_legacy_input"));
+
+ return true;
+}
+
+LegacyInput::LegacyInput(GstElement *gobj) :
+ Glib::ObjectBase(typeid(LegacyInput)),
+ Gst::Element(gobj)
+{
+ add_pad(sink_pad_ = Gst::Pad::create(get_pad_template("sink"), "sink"));
+ add_pad(src_pad_ = Gst::Pad::create(get_pad_template("src"), "src"));
+ sink_pad_->set_chain_function(sigc::mem_fun(*this, &LegacyInput::chain));
+}
+
+Glib::RefPtr<LegacyInput> LegacyInput::create(
+ shared_ptr<sigrok::InputFormat> libsigrok_input_format,
+ map<string, Glib::VariantBase> options)
+{
+ auto element = Gst::ElementFactory::create_element("sigrok_legacy_input");
+ if (!element)
+ throw runtime_error("Failed to create element - plugin not registered?");
+ auto input = Glib::RefPtr<LegacyInput>::cast_static(element);
+ input->libsigrok_input_format_ = libsigrok_input_format;
+ input->options_ = options;
+
+ return input;
+}
+
+bool LegacyInput::start_vfunc()
+{
+ libsigrok_input_ = libsigrok_input_format_->create_input(options_);
+ auto context = libsigrok_input_format_->parent();
+ session_ = context->create_session();
+ session_->add_device(libsigrok_input_->device());
+ session_->add_datafeed_callback(bind(&LegacyInput::datafeed_callback_, this, _1, _2));
+ session_->start();
+
+ return true;
+}
+
+void LegacyInput::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;
+ }
+}
+
+Gst::FlowReturn LegacyInput::chain(const Glib::RefPtr<Gst::Pad> &,
+ const Glib::RefPtr<Gst::Buffer> &buf)
+{
+ Gst::MapInfo info;
+ buf->map(info, Gst::MAP_READ);
+ libsigrok_input_->send(info.get_data(), info.get_size());
+ buf->unmap(info);
+
+ return Gst::FLOW_OK;
+}
+
+bool LegacyInput::stop_vfunc()
+{
+ libsigrok_input_->end();
+
+ return true;
+}
+
+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::OutputFormat> libsigrok_output_format,
+ shared_ptr<sigrok::Device> libsigrok_device,
+ map<string, Glib::VariantBase> options)
+{
+ 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_format_ = libsigrok_output_format;
+ output->libsigrok_device_ = libsigrok_device;
+ output->options_ = options;
+
+ return output;
+}
+
+bool LegacyOutput::start_vfunc()
+{
+ libsigrok_output_ = libsigrok_output_format_->create_output(
+ libsigrok_device_, options_);
+
+ return true;
+}
+
+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;
+}
+#endif
+
+#ifdef HAVE_LIBSIGROKDECODE
+void LegacyDecoder::class_init(Gst::ElementClass<LegacyDecoder> *klass)
+{
+ klass->set_metadata("sigrok legacy decoder",
+ "Sink", "Wrapper for protocol decoders using legacy libsigrokdecode APIs",
+ "Uwe Hermann");
+
+ klass->add_pad_template(Gst::PadTemplate::create(
+ "sink",
+ Gst::PAD_SINK,
+ Gst::PAD_ALWAYS,
+ Gst::Caps::create_any()));
+}
+
+bool LegacyDecoder::register_element(Glib::RefPtr<Gst::Plugin> plugin)
+{
+ Gst::ElementFactory::register_element(plugin, "sigrok_legacy_decoder",
+ 0, Gst::register_mm_type<LegacyDecoder>(
+ "sigrok_legacy_decoder"));
+
+ return true;
+}
+
+LegacyDecoder::LegacyDecoder(GstBaseSink *gobj) :
+ Glib::ObjectBase(typeid(LegacyDecoder)),
+ Sink(gobj)
+{
+}
+
+Glib::RefPtr<LegacyDecoder>LegacyDecoder::create(
+ struct srd_session *libsigrokdecode_session, uint64_t unitsize)
+{
+ auto element = Gst::ElementFactory::create_element("sigrok_legacy_decoder");
+ if (!element)
+ throw runtime_error("Failed to create element - plugin not registered?");
+ auto decoder = Glib::RefPtr<LegacyDecoder>::cast_static(element);
+ decoder->session_ = libsigrokdecode_session;
+ decoder->unitsite_ = unitsize;
+
+ return decoder;
+}
+
+struct srd_session *LegacyDecoder::libsigrokdecode_session()
+{
+ return session_;
+}
+
+Gst::FlowReturn LegacyDecoder::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
+{
+ Gst::MapInfo info;
+ buffer->map(info, Gst::MAP_READ);
+ uint64_t num_samples = info.get_size() / unitsite_;
+ srd_session_send(session_, abs_ss_, abs_ss_ + num_samples,
+ info.get_data(), info.get_size(), unitsite_);
+ abs_ss_ += num_samples;
+ buffer->unmap(info);
+
+ return Gst::FLOW_OK;
+}
+
+bool LegacyDecoder::start_vfunc()
+{
+ abs_ss_ = 0;
+ srd_session_start(session_);
+
+ return true;
+}
+
+bool LegacyDecoder::stop_vfunc()
+{
+ srd_session_terminate_reset(session_);
+
+ return true;
}
+#endif
}
projects / libsigrokflow.git / blobdiff