[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;

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()
{
	srf_initialized_ = false;
}

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
870da4f2 UH	31	static bool srf_initialized_ = false;
870da4f2 UH	32
b903bb0a UH	33	void init()
b903bb0a UH	34	{
870da4f2	35	if (srf_initialized_)
fa243f2c UH	36	throw runtime_error("libsigrokflow is already initialized");
fa243f2c UH	37
1060e9b5	38	#ifdef HAVE_LIBSIGROKCXX
6d71d36a ML	39	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	40	"sigrok_legacy_capture_device",
	41	"Wrapper for capture devices using legacy libsigrok APIs",
	42	sigc::ptr_fun(&LegacyCaptureDevice::register_element),
97513ff0	43	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
92d521e7 ML	44	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	45	"sigrok_legacy_input",
	46	"Wrapper for inputs using legacy libsigrok APIs",
	47	sigc::ptr_fun(&LegacyInput::register_element),
	48	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
e2cfc0ef ML	49	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	50	"sigrok_legacy_output",
	51	"Wrapper for outputs using legacy libsigrok APIs",
	52	sigc::ptr_fun(&LegacyOutput::register_element),
	53	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
1060e9b5	54	#endif
45e6e688	55	#ifdef HAVE_LIBSIGROKDECODE
b1322000 UH	56	Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR,
	57	"sigrok_legacy_decoder",
	58	"Wrapper for protocol decoders using legacy libsigrokdecode APIs",
	59	sigc::ptr_fun(&LegacyDecoder::register_element),
	60	"0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org");
45e6e688	61	#endif
fa243f2c	62
870da4f2 UH	63	srf_initialized_ = true;
	64	}
	65
	66	void deinit()
	67	{
	68	srf_initialized_ = false;
6d71d36a ML	69	}
6d71d36a ML	70
e2cfc0ef ML	71	Sink::Sink(GstBaseSink *gobj) :
e2cfc0ef ML	72	Gst::BaseSink(gobj)
4b7d782a ML	73	{
	74	}
	75
	76	Device::Device(GstElement *gobj) :
e2cfc0ef	77	Gst::Element(gobj)
4b7d782a ML	78	{
	79	}
	80
	81	CaptureDevice::CaptureDevice(GstElement *gobj) :
	82	Device(gobj)
	83	{
	84	}
	85
1060e9b5	86	#ifdef HAVE_LIBSIGROKCXX
6d71d36a ML	87	void LegacyCaptureDevice::class_init(Gst::ElementClass<LegacyCaptureDevice> *klass)
	88	{
	89	klass->set_metadata("sigrok legacy capture device",
	90	"Source", "Wrapper for capture devices using legacy libsigrok APIs",
	91	"Martin Ling");
	92
	93	klass->add_pad_template(Gst::PadTemplate::create(
	94	"src",
	95	Gst::PAD_SRC,
	96	Gst::PAD_ALWAYS,
	97	Gst::Caps::create_any()));
	98	}
	99
	100	bool LegacyCaptureDevice::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	101	{
	102	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_capture_device",
	103	0, Gst::register_mm_type<LegacyCaptureDevice>(
	104	"sigrok_legacy_capture_device"));
	105	return true;
	106	}
	107
	108	LegacyCaptureDevice::LegacyCaptureDevice(GstElement *gobj) :
	109	Glib::ObjectBase(typeid(LegacyCaptureDevice)),
	110	CaptureDevice(gobj)
	111	{
	112	add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src"));
b903bb0a UH	113	}
b903bb0a UH	114
64b0db03 ML	115	Glib::RefPtr<LegacyCaptureDevice>LegacyCaptureDevice::create(
64b0db03 ML	116	shared_ptr<sigrok::HardwareDevice> libsigrok_device)
f7363af1	117	{
64b0db03	118	auto element = Gst::ElementFactory::create_element("sigrok_legacy_capture_device");
d75c9a6a ML	119	if (!element)
d75c9a6a ML	120	throw runtime_error("Failed to create element - plugin not registered?");
64b0db03	121	auto device = Glib::RefPtr<LegacyCaptureDevice>::cast_static(element);
64b0db03 ML	122	device->_libsigrok_device = libsigrok_device;
64b0db03 ML	123	return device;
f7363af1 ML	124	}
f7363af1 ML	125
d03b3a98	126	shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device()
f7363af1	127	{
64b0db03	128	return _libsigrok_device;
f7363af1 ML	129	}
f7363af1 ML	130
d03b3a98 ML	131	Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition)
	132	{
	133	switch (transition)
	134	{
	135	case Gst::STATE_CHANGE_READY_TO_PAUSED:
	136	return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL;
	137	case Gst::STATE_CHANGE_PAUSED_TO_PLAYING:
d03b3a98 ML	138	_task = Gst::Task::create(std::bind(&LegacyCaptureDevice::_run, this));
	139	_task->set_lock(_mutex);
	140	_src_pad->set_active(true);
	141	_task->start();
	142	return Gst::STATE_CHANGE_SUCCESS;
	143	default:
	144	return Gst::STATE_CHANGE_SUCCESS;
	145	}
	146	}
	147
	148	void LegacyCaptureDevice::_datafeed_callback(
	149	shared_ptr<sigrok::Device> device,
	150	shared_ptr<sigrok::Packet> packet)
	151	{
	152	(void) device;
	153	switch (packet->type()->id()) {
	154	case SR_DF_LOGIC:
	155	{
	156	auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
	157	auto mem = Gst::Memory::create(
	158	Gst::MEMORY_FLAG_READONLY,
	159	logic->data_pointer(),
	160	logic->data_length(),
	161	0,
	162	logic->data_length());
	163	auto buf = Gst::Buffer::create();
	164	buf->append_memory(move(mem));
	165	_src_pad->push(move(buf));
	166	break;
	167	}
	168	case SR_DF_END:
	169	_session->stop();
	170	_src_pad->push_event(Gst::EventEos::create());
	171	break;
	172	default:
	173	break;
	174	}
	175	}
	176
	177	void LegacyCaptureDevice::_run()
	178	{
64b0db03 ML	179	_session = _libsigrok_device->driver()->parent()->create_session();
64b0db03 ML	180	_session->add_device(_libsigrok_device);
d03b3a98 ML	181	_session->add_datafeed_callback(bind(&LegacyCaptureDevice::_datafeed_callback, this, _1, _2));
	182	_session->start();
	183	_session->run();
	184	_task->stop();
	185	}
	186
92d521e7 ML	187	void LegacyInput::class_init(Gst::ElementClass<LegacyInput> *klass)
	188	{
	189	klass->set_metadata("sigrok legacy input",
	190	"Transform", "Wrapper for inputs using legacy libsigrok APIs",
	191	"Martin Ling");
	192
	193	klass->add_pad_template(Gst::PadTemplate::create(
	194	"sink",
	195	Gst::PAD_SINK,
	196	Gst::PAD_ALWAYS,
	197	Gst::Caps::create_any()));
	198
	199	klass->add_pad_template(Gst::PadTemplate::create(
	200	"src",
	201	Gst::PAD_SRC,
	202	Gst::PAD_ALWAYS,
	203	Gst::Caps::create_any()));
	204	}
	205
	206	bool LegacyInput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	207	{
	208	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_input",
	209	0, Gst::register_mm_type<LegacyInput>(
	210	"sigrok_legacy_input"));
	211	return true;
	212	}
	213
	214	LegacyInput::LegacyInput(GstElement *gobj) :
	215	Glib::ObjectBase(typeid(LegacyInput)),
	216	Gst::Element(gobj)
	217	{
	218	add_pad(_sink_pad = Gst::Pad::create(get_pad_template("sink"), "sink"));
	219	add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src"));
	220	_sink_pad->set_chain_function(sigc::mem_fun(*this, &LegacyInput::chain));
	221	}
	222
	223	Glib::RefPtr<LegacyInput> LegacyInput::create(
	224	shared_ptr<sigrok::InputFormat> libsigrok_input_format,
	225	map<string, Glib::VariantBase> options)
	226	{
	227	auto element = Gst::ElementFactory::create_element("sigrok_legacy_input");
	228	if (!element)
	229	throw runtime_error("Failed to create element - plugin not registered?");
	230	auto input = Glib::RefPtr<LegacyInput>::cast_static(element);
	231	input->_libsigrok_input_format = libsigrok_input_format;
	232	input->_options = options;
	233	return input;
	234	}
	235
	236	bool LegacyInput::start_vfunc()
	237	{
	238	_libsigrok_input = _libsigrok_input_format->create_input(_options);
	239	auto context = _libsigrok_input_format->parent();
	240	_session = context->create_session();
	241	_session->add_device(_libsigrok_input->device());
	242	_session->add_datafeed_callback(bind(&LegacyInput::_datafeed_callback, this, _1, _2));
	243	_session->start();
	244	return true;
	245	}
	246
	247	void LegacyInput::_datafeed_callback(
	248	shared_ptr<sigrok::Device> device,
	249	shared_ptr<sigrok::Packet> packet)
	250	{
251	(void) device;
252	switch (packet->type()->id()) {
253	case SR_DF_LOGIC:
254	{
255	auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
256	auto mem = Gst::Memory::create(
257	Gst::MEMORY_FLAG_READONLY,
258	logic->data_pointer(),
259	logic->data_length(),
260	0,
261	logic->data_length());
262	auto buf = Gst::Buffer::create();
263	buf->append_memory(move(mem));
264	_src_pad->push(move(buf));
265	break;
266	}
267	case SR_DF_END:
268	_session->stop();
269	_src_pad->push_event(Gst::EventEos::create());
270	break;
271	default:
272	break;
273	}
274	}
275
276	Gst::FlowReturn LegacyInput::chain(const Glib::RefPtr<Gst::Pad> &,
277	const Glib::RefPtr<Gst::Buffer> &buf)
278	{
279	Gst::MapInfo info;
280	buf->map(info, Gst::MAP_READ);
281	_libsigrok_input->send(info.get_data(), info.get_size());
282	buf->unmap(info);
283	return Gst::FLOW_OK;
284	}
285
286	bool LegacyInput::stop_vfunc()
287	{
288	_libsigrok_input->end();
289	return true;
290	}
291
e2cfc0ef ML	292	void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass)
	293	{
	294	klass->set_metadata("sigrok legacy output",
	295	"Sink", "Wrapper for outputs using legacy libsigrok APIs",
	296	"Martin Ling");
	297
	298	klass->add_pad_template(Gst::PadTemplate::create(
	299	"sink",
	300	Gst::PAD_SINK,
	301	Gst::PAD_ALWAYS,
	302	Gst::Caps::create_any()));
	303	}
	304
	305	bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	306	{
	307	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output",
	308	0, Gst::register_mm_type<LegacyOutput>(
	309	"sigrok_legacy_output"));
	310	return true;
	311	}
	312
	313	LegacyOutput::LegacyOutput(GstBaseSink *gobj) :
	314	Glib::ObjectBase(typeid(LegacyOutput)),
	315	Sink(gobj)
	316	{
e2cfc0ef ML	317	}
	318
	319	Glib::RefPtr<LegacyOutput>LegacyOutput::create(
726122c2 ML	320	shared_ptr<sigrok::OutputFormat> libsigrok_output_format,
	321	shared_ptr<sigrok::Device> libsigrok_device,
	322	map<string, Glib::VariantBase> options)
e2cfc0ef ML	323	{
	324	auto element = Gst::ElementFactory::create_element("sigrok_legacy_output");
	325	if (!element)
	326	throw runtime_error("Failed to create element - plugin not registered?");
	327	auto output = Glib::RefPtr<LegacyOutput>::cast_static(element);
726122c2 ML	328	output->_libsigrok_output_format = libsigrok_output_format;
	329	output->_libsigrok_device = libsigrok_device;
	330	output->_options = options;
e2cfc0ef ML	331	return output;
	332	}
	333
726122c2	334	bool LegacyOutput::start_vfunc()
e2cfc0ef	335	{
726122c2 ML	336	_libsigrok_output = _libsigrok_output_format->create_output(
	337	_libsigrok_device, _options);
	338	return true;
e2cfc0ef ML	339	}
	340
	341	Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
	342	{
	343	Gst::MapInfo info;
	344	buffer->map(info, Gst::MAP_READ);
726122c2	345	auto context = _libsigrok_output_format->parent();
e2cfc0ef ML	346	auto packet = context->create_logic_packet(
	347	info.get_data(), info.get_size(), 2);
	348	auto result = _libsigrok_output->receive(packet);
	349	cout << result;
	350	buffer->unmap(info);
	351	return Gst::FLOW_OK;
	352	}
	353
	354	bool LegacyOutput::stop_vfunc()
	355	{
726122c2	356	auto context = _libsigrok_output_format->parent();
e2cfc0ef ML	357	auto end_packet = context->create_end_packet();
	358	auto result = _libsigrok_output->receive(end_packet);
	359	cout << result;
	360	return true;
	361	}
1060e9b5	362	#endif
e2cfc0ef	363
45e6e688	364	#ifdef HAVE_LIBSIGROKDECODE
b1322000 UH	365	void LegacyDecoder::class_init(Gst::ElementClass<LegacyDecoder> *klass)
	366	{
	367	klass->set_metadata("sigrok legacy decoder",
	368	"Sink", "Wrapper for protocol decoders using legacy libsigrokdecode APIs",
	369	"Uwe Hermann");
	370
	371	klass->add_pad_template(Gst::PadTemplate::create(
	372	"sink",
	373	Gst::PAD_SINK,
	374	Gst::PAD_ALWAYS,
	375	Gst::Caps::create_any()));
	376	}
	377
	378	bool LegacyDecoder::register_element(Glib::RefPtr<Gst::Plugin> plugin)
	379	{
	380	Gst::ElementFactory::register_element(plugin, "sigrok_legacy_decoder",
	381	0, Gst::register_mm_type<LegacyDecoder>(
	382	"sigrok_legacy_decoder"));
	383	return true;
	384	}
	385
	386	LegacyDecoder::LegacyDecoder(GstBaseSink *gobj) :
	387	Glib::ObjectBase(typeid(LegacyDecoder)),
	388	Sink(gobj)
	389	{
	390	}
	391
	392	Glib::RefPtr<LegacyDecoder>LegacyDecoder::create(
	393	struct srd_session *libsigrokdecode_session, uint64_t unitsize)
	394	{
	395	auto element = Gst::ElementFactory::create_element("sigrok_legacy_decoder");
	396	if (!element)
	397	throw runtime_error("Failed to create element - plugin not registered?");
	398	auto decoder = Glib::RefPtr<LegacyDecoder>::cast_static(element);
	399	decoder->_session = libsigrokdecode_session;
	400	decoder->_unitsize = unitsize;
	401	return decoder;
	402	}
	403
	404	struct srd_session *LegacyDecoder::libsigrokdecode_session()
	405	{
	406	return _session;
	407	}
	408
	409	Gst::FlowReturn LegacyDecoder::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
	410	{
	411	Gst::MapInfo info;
	412	buffer->map(info, Gst::MAP_READ);
	413	uint64_t num_samples = info.get_size() / _unitsize;
	414	srd_session_send(_session, _abs_ss, _abs_ss + num_samples,
	415	info.get_data(), info.get_size(), _unitsize);
	416	_abs_ss += num_samples;
	417	buffer->unmap(info);
	418	return Gst::FLOW_OK;
	419	}
	420
	421	bool LegacyDecoder::start_vfunc()
	422	{
	423	_abs_ss = 0;
	424	srd_session_start(_session);
	425	return true;
	426	}
	427
	428	bool LegacyDecoder::stop_vfunc()
429	{
430	srd_session_terminate_reset(_session);
431	return true;
432	}
45e6e688	433	#endif
b1322000	434
b903bb0a	435	}