[libsigrokflow.git] / src / main.cpp

/*
 * 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
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <config.h>
#include <iostream>
#include <libsigrokflow/libsigrokflow.hpp>

namespace Srf
{

using namespace std;
using namespace std::placeholders;

void init()
{
#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
}

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;
	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

}
Commit	Line	Data
572e76fe UH	1	/*
	2	* This file is part of the libsigrokflow project.
	3	*
f1eaad84	4	* Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li>
572e76fe UH	5	* Copyright (C) 2018 Uwe Hermann <uwe@hermann-uwe.de>
	6	*
	7	* This program is free software: you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation, either version 3 of the License, or
	10	* (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	*/
	20
	21	#include <config.h>
f7363af1	22	#include <iostream>
45e6e688	23	#include <libsigrokflow/libsigrokflow.hpp>
f7363af1	24
b903bb0a UH	25	namespace Srf
	26	{
	27
f7363af1	28	using namespace std;
d03b3a98	29	using namespace std::placeholders;
f7363af1	30
b903bb0a UH	31	void init()
b903bb0a UH	32	{
1060e9b5	33	#ifdef HAVE_LIBSIGROKCXX
6d71d36a ML	34	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	35	"sigrok_legacy_capture_device",
	36	"Wrapper for capture devices using legacy libsigrok APIs",
	37	sigc::ptr_fun(&LegacyCaptureDevice::register_element),
97513ff0	38	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
92d521e7 ML	39	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	40	"sigrok_legacy_input",
	41	"Wrapper for inputs using legacy libsigrok APIs",
	42	sigc::ptr_fun(&LegacyInput::register_element),
	43	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
e2cfc0ef ML	44	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	45	"sigrok_legacy_output",
	46	"Wrapper for outputs using legacy libsigrok APIs",
	47	sigc::ptr_fun(&LegacyOutput::register_element),
	48	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
1060e9b5	49	#endif
45e6e688	50	#ifdef HAVE_LIBSIGROKDECODE
b1322000 UH	51	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	52	"sigrok_legacy_decoder",
	53	"Wrapper for protocol decoders using legacy libsigrokdecode APIs",
	54	sigc::ptr_fun(&LegacyDecoder::register_element),
	55	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
45e6e688	56	#endif
6d71d36a ML	57	}
6d71d36a ML	58
e2cfc0ef ML	59	Sink::Sink(GstBaseSink *gobj) :
e2cfc0ef ML	60	Gst::BaseSink(gobj)
4b7d782a ML	61	{
	62	}
	63
	64	Device::Device(GstElement *gobj) :
e2cfc0ef	65	Gst::Element(gobj)
4b7d782a ML	66	{
	67	}
	68
	69	CaptureDevice::CaptureDevice(GstElement *gobj) :
	70	Device(gobj)
	71	{
	72	}
	73
1060e9b5	74	#ifdef HAVE_LIBSIGROKCXX
6d71d36a ML	75	void LegacyCaptureDevice::class_init(Gst::ElementClass<LegacyCaptureDevice> *klass)
	76	{
	77	klass->set_metadata("sigrok legacy capture device",
	78	"Source", "Wrapper for capture devices using legacy libsigrok APIs",
	79	"Martin Ling");
	80
	81	klass->add_pad_template(Gst::PadTemplate::create(
	82	"src",
	83	Gst::PAD_SRC,
	84	Gst::PAD_ALWAYS,
	85	Gst::Caps::create_any()));
	86	}
	87
	88	bool LegacyCaptureDevice::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	89	{
	90	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_capture_device",
	91	0, Gst::register_mm_type<LegacyCaptureDevice>(
	92	"sigrok_legacy_capture_device"));
	93	return true;
	94	}
	95
	96	LegacyCaptureDevice::LegacyCaptureDevice(GstElement *gobj) :
	97	Glib::ObjectBase(typeid(LegacyCaptureDevice)),
	98	CaptureDevice(gobj)
	99	{
	100	add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src"));
b903bb0a UH	101	}
b903bb0a UH	102
64b0db03 ML	103	Glib::RefPtr<LegacyCaptureDevice>LegacyCaptureDevice::create(
64b0db03 ML	104	shared_ptr<sigrok::HardwareDevice> libsigrok_device)
f7363af1	105	{
64b0db03	106	auto element = Gst::ElementFactory::create_element("sigrok_legacy_capture_device");
d75c9a6a ML	107	if (!element)
d75c9a6a ML	108	throw runtime_error("Failed to create element - plugin not registered?");
64b0db03	109	auto device = Glib::RefPtr<LegacyCaptureDevice>::cast_static(element);
64b0db03 ML	110	device->_libsigrok_device = libsigrok_device;
64b0db03 ML	111	return device;
f7363af1 ML	112	}
f7363af1 ML	113
d03b3a98	114	shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device()
f7363af1	115	{
64b0db03	116	return _libsigrok_device;
f7363af1 ML	117	}
f7363af1 ML	118
d03b3a98 ML	119	Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition)
	120	{
	121	switch (transition)
	122	{
	123	case Gst::STATE_CHANGE_READY_TO_PAUSED:
	124	return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL;
	125	case Gst::STATE_CHANGE_PAUSED_TO_PLAYING:
d03b3a98 ML	126	_task = Gst::Task::create(std::bind(&LegacyCaptureDevice::_run, this));
	127	_task->set_lock(_mutex);
	128	_src_pad->set_active(true);
	129	_task->start();
	130	return Gst::STATE_CHANGE_SUCCESS;
	131	default:
	132	return Gst::STATE_CHANGE_SUCCESS;
	133	}
	134	}
	135
	136	void LegacyCaptureDevice::_datafeed_callback(
	137	shared_ptr<sigrok::Device> device,
	138	shared_ptr<sigrok::Packet> packet)
	139	{
	140	(void) device;
	141	switch (packet->type()->id()) {
	142	case SR_DF_LOGIC:
	143	{
	144	auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
	145	auto mem = Gst::Memory::create(
	146	Gst::MEMORY_FLAG_READONLY,
	147	logic->data_pointer(),
	148	logic->data_length(),
	149	0,
	150	logic->data_length());
	151	auto buf = Gst::Buffer::create();
	152	buf->append_memory(move(mem));
	153	_src_pad->push(move(buf));
	154	break;
	155	}
	156	case SR_DF_END:
	157	_session->stop();
	158	_src_pad->push_event(Gst::EventEos::create());
	159	break;
	160	default:
	161	break;
	162	}
	163	}
	164
	165	void LegacyCaptureDevice::_run()
	166	{
64b0db03 ML	167	_session = _libsigrok_device->driver()->parent()->create_session();
64b0db03 ML	168	_session->add_device(_libsigrok_device);
d03b3a98 ML	169	_session->add_datafeed_callback(bind(&LegacyCaptureDevice::_datafeed_callback, this, _1, _2));
	170	_session->start();
	171	_session->run();
	172	_task->stop();
	173	}
	174
92d521e7 ML	175	void LegacyInput::class_init(Gst::ElementClass<LegacyInput> *klass)
	176	{
	177	klass->set_metadata("sigrok legacy input",
	178	"Transform", "Wrapper for inputs using legacy libsigrok APIs",
	179	"Martin Ling");
	180
	181	klass->add_pad_template(Gst::PadTemplate::create(
	182	"sink",
	183	Gst::PAD_SINK,
	184	Gst::PAD_ALWAYS,
	185	Gst::Caps::create_any()));
	186
	187	klass->add_pad_template(Gst::PadTemplate::create(
	188	"src",
	189	Gst::PAD_SRC,
	190	Gst::PAD_ALWAYS,
	191	Gst::Caps::create_any()));
	192	}
	193
	194	bool LegacyInput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	195	{
	196	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_input",
	197	0, Gst::register_mm_type<LegacyInput>(
	198	"sigrok_legacy_input"));
	199	return true;
	200	}
	201
	202	LegacyInput::LegacyInput(GstElement *gobj) :
	203	Glib::ObjectBase(typeid(LegacyInput)),
	204	Gst::Element(gobj)
	205	{
	206	add_pad(_sink_pad = Gst::Pad::create(get_pad_template("sink"), "sink"));
	207	add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src"));
	208	_sink_pad->set_chain_function(sigc::mem_fun(*this, &LegacyInput::chain));
	209	}
	210
	211	Glib::RefPtr<LegacyInput> LegacyInput::create(
	212	shared_ptr<sigrok::InputFormat> libsigrok_input_format,
	213	map<string, Glib::VariantBase> options)
	214	{
	215	auto element = Gst::ElementFactory::create_element("sigrok_legacy_input");
	216	if (!element)
	217	throw runtime_error("Failed to create element - plugin not registered?");
	218	auto input = Glib::RefPtr<LegacyInput>::cast_static(element);
	219	input->_libsigrok_input_format = libsigrok_input_format;
	220	input->_options = options;
	221	return input;
	222	}
	223
	224	bool LegacyInput::start_vfunc()
	225	{
	226	_libsigrok_input = _libsigrok_input_format->create_input(_options);
	227	auto context = _libsigrok_input_format->parent();
	228	_session = context->create_session();
	229	_session->add_device(_libsigrok_input->device());
	230	_session->add_datafeed_callback(bind(&LegacyInput::_datafeed_callback, this, _1, _2));
	231	_session->start();
	232	return true;
	233	}
	234
	235	void LegacyInput::_datafeed_callback(
	236	shared_ptr<sigrok::Device> device,
	237	shared_ptr<sigrok::Packet> packet)
	238	{
239	(void) device;
240	switch (packet->type()->id()) {
241	case SR_DF_LOGIC:
242	{
243	auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
244	auto mem = Gst::Memory::create(
245	Gst::MEMORY_FLAG_READONLY,
246	logic->data_pointer(),
247	logic->data_length(),
248	0,
249	logic->data_length());
250	auto buf = Gst::Buffer::create();
251	buf->append_memory(move(mem));
252	_src_pad->push(move(buf));
253	break;
254	}
255	case SR_DF_END:
256	_session->stop();
257	_src_pad->push_event(Gst::EventEos::create());
258	break;
259	default:
260	break;
261	}
262	}
263
264	Gst::FlowReturn LegacyInput::chain(const Glib::RefPtr<Gst::Pad> &,
265	const Glib::RefPtr<Gst::Buffer> &buf)
266	{
267	Gst::MapInfo info;
268	buf->map(info, Gst::MAP_READ);
269	_libsigrok_input->send(info.get_data(), info.get_size());
270	buf->unmap(info);
271	return Gst::FLOW_OK;
272	}
273
274	bool LegacyInput::stop_vfunc()
275	{
276	_libsigrok_input->end();
277	return true;
278	}
279
e2cfc0ef ML	280	void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass)
	281	{
	282	klass->set_metadata("sigrok legacy output",
	283	"Sink", "Wrapper for outputs using legacy libsigrok APIs",
	284	"Martin Ling");
	285
	286	klass->add_pad_template(Gst::PadTemplate::create(
	287	"sink",
	288	Gst::PAD_SINK,
	289	Gst::PAD_ALWAYS,
	290	Gst::Caps::create_any()));
	291	}
	292
	293	bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	294	{
	295	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output",
	296	0, Gst::register_mm_type<LegacyOutput>(
	297	"sigrok_legacy_output"));
	298	return true;
	299	}
	300
	301	LegacyOutput::LegacyOutput(GstBaseSink *gobj) :
	302	Glib::ObjectBase(typeid(LegacyOutput)),
	303	Sink(gobj)
	304	{
e2cfc0ef ML	305	}
	306
	307	Glib::RefPtr<LegacyOutput>LegacyOutput::create(
726122c2 ML	308	shared_ptr<sigrok::OutputFormat> libsigrok_output_format,
	309	shared_ptr<sigrok::Device> libsigrok_device,
	310	map<string, Glib::VariantBase> options)
e2cfc0ef ML	311	{
	312	auto element = Gst::ElementFactory::create_element("sigrok_legacy_output");
	313	if (!element)
	314	throw runtime_error("Failed to create element - plugin not registered?");
	315	auto output = Glib::RefPtr<LegacyOutput>::cast_static(element);
726122c2 ML	316	output->_libsigrok_output_format = libsigrok_output_format;
	317	output->_libsigrok_device = libsigrok_device;
	318	output->_options = options;
e2cfc0ef ML	319	return output;
	320	}
	321
726122c2	322	bool LegacyOutput::start_vfunc()
e2cfc0ef	323	{
726122c2 ML	324	_libsigrok_output = _libsigrok_output_format->create_output(
	325	_libsigrok_device, _options);
	326	return true;
e2cfc0ef ML	327	}
	328
	329	Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
	330	{
	331	Gst::MapInfo info;
	332	buffer->map(info, Gst::MAP_READ);
726122c2	333	auto context = _libsigrok_output_format->parent();
e2cfc0ef ML	334	auto packet = context->create_logic_packet(
	335	info.get_data(), info.get_size(), 2);
	336	auto result = _libsigrok_output->receive(packet);
	337	cout << result;
	338	buffer->unmap(info);
	339	return Gst::FLOW_OK;
	340	}
	341
	342	bool LegacyOutput::stop_vfunc()
	343	{
726122c2	344	auto context = _libsigrok_output_format->parent();
e2cfc0ef ML	345	auto end_packet = context->create_end_packet();
	346	auto result = _libsigrok_output->receive(end_packet);
	347	cout << result;
	348	return true;
	349	}
1060e9b5	350	#endif
e2cfc0ef	351
45e6e688	352	#ifdef HAVE_LIBSIGROKDECODE
b1322000 UH	353	void LegacyDecoder::class_init(Gst::ElementClass<LegacyDecoder> *klass)
	354	{
	355	klass->set_metadata("sigrok legacy decoder",
	356	"Sink", "Wrapper for protocol decoders using legacy libsigrokdecode APIs",
	357	"Uwe Hermann");
	358
	359	klass->add_pad_template(Gst::PadTemplate::create(
	360	"sink",
	361	Gst::PAD_SINK,
	362	Gst::PAD_ALWAYS,
	363	Gst::Caps::create_any()));
	364	}
	365
	366	bool LegacyDecoder::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	367	{
	368	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_decoder",
	369	0, Gst::register_mm_type<LegacyDecoder>(
	370	"sigrok_legacy_decoder"));
	371	return true;
	372	}
	373
	374	LegacyDecoder::LegacyDecoder(GstBaseSink *gobj) :
	375	Glib::ObjectBase(typeid(LegacyDecoder)),
	376	Sink(gobj)
	377	{
	378	}
	379
	380	Glib::RefPtr<LegacyDecoder>LegacyDecoder::create(
	381	struct srd_session *libsigrokdecode_session, uint64_t unitsize)
	382	{
	383	auto element = Gst::ElementFactory::create_element("sigrok_legacy_decoder");
	384	if (!element)
	385	throw runtime_error("Failed to create element - plugin not registered?");
	386	auto decoder = Glib::RefPtr<LegacyDecoder>::cast_static(element);
	387	decoder->_session = libsigrokdecode_session;
	388	decoder->_unitsize = unitsize;
	389	return decoder;
	390	}
	391
	392	struct srd_session *LegacyDecoder::libsigrokdecode_session()
	393	{
	394	return _session;
	395	}
	396
	397	Gst::FlowReturn LegacyDecoder::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
	398	{
	399	Gst::MapInfo info;
	400	buffer->map(info, Gst::MAP_READ);
	401	uint64_t num_samples = info.get_size() / _unitsize;
	402	srd_session_send(_session, _abs_ss, _abs_ss + num_samples,
	403	info.get_data(), info.get_size(), _unitsize);
	404	_abs_ss += num_samples;
	405	buffer->unmap(info);
	406	return Gst::FLOW_OK;
	407	}
	408
	409	bool LegacyDecoder::start_vfunc()
	410	{
	411	_abs_ss = 0;
	412	srd_session_start(_session);
	413	return true;
	414	}
	415
	416	bool LegacyDecoder::stop_vfunc()
417	{
418	srd_session_terminate_reset(_session);
419	return true;
420	}
45e6e688	421	#endif
b1322000	422
b903bb0a	423	}