*/
#include <config.h>
-#include <iostream>
#include <libsigrokflow/libsigrokflow.hpp>
namespace Srf
{
-using namespace std;
-using namespace std::placeholders;
-
-static bool srf_initialized_ = false;
-
-void init()
-{
- if (srf_initialized_)
- throw runtime_error("libsigrokflow is already initialized");
-
-#ifdef HAVE_LIBSIGROKCXX
- 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_input",
- "Wrapper for inputs using legacy libsigrok APIs",
- sigc::ptr_fun(&LegacyInput::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");
-#endif
-#ifdef HAVE_LIBSIGROKDECODE
- Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
- "sigrok_legacy_decoder",
- "Wrapper for protocol decoders using legacy libsigrokdecode APIs",
- sigc::ptr_fun(&LegacyDecoder::register_element),
- "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
-#endif
-
- srf_initialized_ = true;
-}
-
-void deinit()
-{
- if (!srf_initialized_)
- throw runtime_error("libsigrokflow is not initialized");
-
- srf_initialized_ = false;
-}
-
Sink::Sink(GstBaseSink *gobj) :
Gst::BaseSink(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;
- 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 LegacyInput::class_init(Gst::ElementClass<LegacyInput> *klass)
-{
- 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->_unitsize = 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() / _unitsize;
- srd_session_send(_session, _abs_ss, _abs_ss + num_samples,
- info.get_data(), info.get_size(), _unitsize);
- _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