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1/*
2 * This file is part of the libsigrokflow project.
3 *
f1eaad84 4 * Copyright (C) 2018 Martin Ling <martin-sigrok@earth.li>
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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
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25namespace Srf
26{
27
f7363af1 28using namespace std;
d03b3a98 29using namespace std::placeholders;
f7363af1 30
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31Sink::Sink(GstBaseSink *gobj) :
32 Gst::BaseSink(gobj)
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33{
34}
35
36Device::Device(GstElement *gobj) :
e2cfc0ef 37 Gst::Element(gobj)
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38{
39}
40
41CaptureDevice::CaptureDevice(GstElement *gobj) :
42 Device(gobj)
43{
44}
45
1060e9b5 46#ifdef HAVE_LIBSIGROKCXX
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47void LegacyCaptureDevice::class_init(Gst::ElementClass<LegacyCaptureDevice> *klass)
48{
49 klass->set_metadata("sigrok legacy capture device",
50 "Source", "Wrapper for capture devices using legacy libsigrok APIs",
51 "Martin Ling");
52
53 klass->add_pad_template(Gst::PadTemplate::create(
54 "src",
55 Gst::PAD_SRC,
56 Gst::PAD_ALWAYS,
57 Gst::Caps::create_any()));
58}
59
60bool LegacyCaptureDevice::register_element(Glib::RefPtr<Gst::Plugin> plugin)
61{
62 Gst::ElementFactory::register_element(plugin, "sigrok_legacy_capture_device",
63 0, Gst::register_mm_type<LegacyCaptureDevice>(
64 "sigrok_legacy_capture_device"));
31b3babd 65
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66 return true;
67}
68
69LegacyCaptureDevice::LegacyCaptureDevice(GstElement *gobj) :
70 Glib::ObjectBase(typeid(LegacyCaptureDevice)),
71 CaptureDevice(gobj)
72{
b37c14d6 73 add_pad(src_pad_ = Gst::Pad::create(get_pad_template("src"), "src"));
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74}
75
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76Glib::RefPtr<LegacyCaptureDevice>LegacyCaptureDevice::create(
77 shared_ptr<sigrok::HardwareDevice> libsigrok_device)
f7363af1 78{
64b0db03 79 auto element = Gst::ElementFactory::create_element("sigrok_legacy_capture_device");
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80 if (!element)
81 throw runtime_error("Failed to create element - plugin not registered?");
64b0db03 82 auto device = Glib::RefPtr<LegacyCaptureDevice>::cast_static(element);
b37c14d6 83 device->libsigrok_device_ = libsigrok_device;
31b3babd 84
64b0db03 85 return device;
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86}
87
d03b3a98 88shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device()
f7363af1 89{
b37c14d6 90 return libsigrok_device_;
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91}
92
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93Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition)
94{
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95 switch (transition) {
96 case Gst::STATE_CHANGE_READY_TO_PAUSED:
97 return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL;
98 case Gst::STATE_CHANGE_PAUSED_TO_PLAYING:
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99 task_ = Gst::Task::create(std::bind(&LegacyCaptureDevice::run_, this));
100 task_->set_lock(mutex_);
101 src_pad_->set_active(true);
102 task_->start();
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103 return Gst::STATE_CHANGE_SUCCESS;
104 default:
105 return Gst::STATE_CHANGE_SUCCESS;
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106 }
107}
108
b37c14d6 109void LegacyCaptureDevice::datafeed_callback_(
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110 shared_ptr<sigrok::Device> device,
111 shared_ptr<sigrok::Packet> packet)
112{
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113 (void)device;
114
d03b3a98 115 switch (packet->type()->id()) {
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116 case SR_DF_LOGIC: {
117 auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
118 auto mem = Gst::Memory::create(
119 Gst::MEMORY_FLAG_READONLY,
120 logic->data_pointer(),
121 logic->data_length(),
122 0,
123 logic->data_length());
124 auto buf = Gst::Buffer::create();
125 buf->append_memory(move(mem));
b37c14d6 126 src_pad_->push(move(buf));
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127 break;
128 }
129 case SR_DF_END:
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130 session_->stop();
131 src_pad_->push_event(Gst::EventEos::create());
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132 break;
133 default:
134 break;
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135 }
136}
137
b37c14d6 138void LegacyCaptureDevice::run_()
d03b3a98 139{
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140 session_ = libsigrok_device_->driver()->parent()->create_session();
141 session_->add_device(libsigrok_device_);
142 session_->add_datafeed_callback(bind(&LegacyCaptureDevice::datafeed_callback_, this, _1, _2));
143 session_->start();
144 session_->run();
145 task_->stop();
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146}
147
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148void LegacyInput::class_init(Gst::ElementClass<LegacyInput> *klass)
149{
150 klass->set_metadata("sigrok legacy input",
151 "Transform", "Wrapper for inputs using legacy libsigrok APIs",
152 "Martin Ling");
153
154 klass->add_pad_template(Gst::PadTemplate::create(
155 "sink",
156 Gst::PAD_SINK,
157 Gst::PAD_ALWAYS,
158 Gst::Caps::create_any()));
159
160 klass->add_pad_template(Gst::PadTemplate::create(
161 "src",
162 Gst::PAD_SRC,
163 Gst::PAD_ALWAYS,
164 Gst::Caps::create_any()));
165}
166
167bool LegacyInput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
168{
169 Gst::ElementFactory::register_element(plugin, "sigrok_legacy_input",
170 0, Gst::register_mm_type<LegacyInput>(
171 "sigrok_legacy_input"));
31b3babd 172
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173 return true;
174}
175
176LegacyInput::LegacyInput(GstElement *gobj) :
177 Glib::ObjectBase(typeid(LegacyInput)),
178 Gst::Element(gobj)
179{
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180 add_pad(sink_pad_ = Gst::Pad::create(get_pad_template("sink"), "sink"));
181 add_pad(src_pad_ = Gst::Pad::create(get_pad_template("src"), "src"));
182 sink_pad_->set_chain_function(sigc::mem_fun(*this, &LegacyInput::chain));
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183}
184
185Glib::RefPtr<LegacyInput> LegacyInput::create(
186 shared_ptr<sigrok::InputFormat> libsigrok_input_format,
187 map<string, Glib::VariantBase> options)
188{
189 auto element = Gst::ElementFactory::create_element("sigrok_legacy_input");
190 if (!element)
191 throw runtime_error("Failed to create element - plugin not registered?");
192 auto input = Glib::RefPtr<LegacyInput>::cast_static(element);
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193 input->libsigrok_input_format_ = libsigrok_input_format;
194 input->options_ = options;
31b3babd 195
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196 return input;
197}
198
199bool LegacyInput::start_vfunc()
200{
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201 libsigrok_input_ = libsigrok_input_format_->create_input(options_);
202 auto context = libsigrok_input_format_->parent();
203 session_ = context->create_session();
204 session_->add_device(libsigrok_input_->device());
205 session_->add_datafeed_callback(bind(&LegacyInput::datafeed_callback_, this, _1, _2));
206 session_->start();
31b3babd 207
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208 return true;
209}
210
b37c14d6 211void LegacyInput::datafeed_callback_(
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212 shared_ptr<sigrok::Device> device,
213 shared_ptr<sigrok::Packet> packet)
214{
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215 (void)device;
216
92d521e7 217 switch (packet->type()->id()) {
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218 case SR_DF_LOGIC: {
219 auto logic = static_pointer_cast<sigrok::Logic>(packet->payload());
220 auto mem = Gst::Memory::create(
221 Gst::MEMORY_FLAG_READONLY,
222 logic->data_pointer(),
223 logic->data_length(),
224 0,
225 logic->data_length());
226 auto buf = Gst::Buffer::create();
227 buf->append_memory(move(mem));
b37c14d6 228 src_pad_->push(move(buf));
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229 break;
230 }
231 case SR_DF_END:
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232 session_->stop();
233 src_pad_->push_event(Gst::EventEos::create());
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234 break;
235 default:
236 break;
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237 }
238}
239
240Gst::FlowReturn LegacyInput::chain(const Glib::RefPtr<Gst::Pad> &,
31b3babd 241 const Glib::RefPtr<Gst::Buffer> &buf)
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242{
243 Gst::MapInfo info;
244 buf->map(info, Gst::MAP_READ);
b37c14d6 245 libsigrok_input_->send(info.get_data(), info.get_size());
92d521e7 246 buf->unmap(info);
31b3babd 247
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248 return Gst::FLOW_OK;
249}
250
251bool LegacyInput::stop_vfunc()
252{
b37c14d6 253 libsigrok_input_->end();
31b3babd 254
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255 return true;
256}
257
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258void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass)
259{
260 klass->set_metadata("sigrok legacy output",
261 "Sink", "Wrapper for outputs using legacy libsigrok APIs",
262 "Martin Ling");
263
264 klass->add_pad_template(Gst::PadTemplate::create(
265 "sink",
266 Gst::PAD_SINK,
267 Gst::PAD_ALWAYS,
268 Gst::Caps::create_any()));
269}
270
271bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin)
272{
273 Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output",
274 0, Gst::register_mm_type<LegacyOutput>(
275 "sigrok_legacy_output"));
31b3babd 276
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277 return true;
278}
279
280LegacyOutput::LegacyOutput(GstBaseSink *gobj) :
281 Glib::ObjectBase(typeid(LegacyOutput)),
282 Sink(gobj)
283{
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284}
285
286Glib::RefPtr<LegacyOutput>LegacyOutput::create(
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287 shared_ptr<sigrok::OutputFormat> libsigrok_output_format,
288 shared_ptr<sigrok::Device> libsigrok_device,
289 map<string, Glib::VariantBase> options)
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290{
291 auto element = Gst::ElementFactory::create_element("sigrok_legacy_output");
292 if (!element)
293 throw runtime_error("Failed to create element - plugin not registered?");
294 auto output = Glib::RefPtr<LegacyOutput>::cast_static(element);
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295 output->libsigrok_output_format_ = libsigrok_output_format;
296 output->libsigrok_device_ = libsigrok_device;
297 output->options_ = options;
31b3babd 298
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299 return output;
300}
301
726122c2 302bool LegacyOutput::start_vfunc()
e2cfc0ef 303{
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304 libsigrok_output_ = libsigrok_output_format_->create_output(
305 libsigrok_device_, options_);
31b3babd 306
726122c2 307 return true;
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308}
309
310Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
311{
312 Gst::MapInfo info;
313 buffer->map(info, Gst::MAP_READ);
b37c14d6 314 auto context = libsigrok_output_format_->parent();
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315 auto packet = context->create_logic_packet(
316 info.get_data(), info.get_size(), 2);
b37c14d6 317 auto result = libsigrok_output_->receive(packet);
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318 cout << result;
319 buffer->unmap(info);
31b3babd 320
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321 return Gst::FLOW_OK;
322}
323
324bool LegacyOutput::stop_vfunc()
325{
b37c14d6 326 auto context = libsigrok_output_format_->parent();
e2cfc0ef 327 auto end_packet = context->create_end_packet();
b37c14d6 328 auto result = libsigrok_output_->receive(end_packet);
e2cfc0ef 329 cout << result;
31b3babd 330
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331 return true;
332}
1060e9b5 333#endif
e2cfc0ef 334
45e6e688 335#ifdef HAVE_LIBSIGROKDECODE
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336void LegacyDecoder::class_init(Gst::ElementClass<LegacyDecoder> *klass)
337{
338 klass->set_metadata("sigrok legacy decoder",
339 "Sink", "Wrapper for protocol decoders using legacy libsigrokdecode APIs",
340 "Uwe Hermann");
341
342 klass->add_pad_template(Gst::PadTemplate::create(
343 "sink",
344 Gst::PAD_SINK,
345 Gst::PAD_ALWAYS,
346 Gst::Caps::create_any()));
347}
348
349bool LegacyDecoder::register_element(Glib::RefPtr<Gst::Plugin> plugin)
350{
351 Gst::ElementFactory::register_element(plugin, "sigrok_legacy_decoder",
352 0, Gst::register_mm_type<LegacyDecoder>(
353 "sigrok_legacy_decoder"));
31b3babd 354
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355 return true;
356}
357
358LegacyDecoder::LegacyDecoder(GstBaseSink *gobj) :
359 Glib::ObjectBase(typeid(LegacyDecoder)),
360 Sink(gobj)
361{
362}
363
364Glib::RefPtr<LegacyDecoder>LegacyDecoder::create(
365 struct srd_session *libsigrokdecode_session, uint64_t unitsize)
366{
367 auto element = Gst::ElementFactory::create_element("sigrok_legacy_decoder");
368 if (!element)
369 throw runtime_error("Failed to create element - plugin not registered?");
370 auto decoder = Glib::RefPtr<LegacyDecoder>::cast_static(element);
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371 decoder->session_ = libsigrokdecode_session;
372 decoder->unitsite_ = unitsize;
31b3babd 373
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374 return decoder;
375}
376
377struct srd_session *LegacyDecoder::libsigrokdecode_session()
378{
b37c14d6 379 return session_;
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380}
381
382Gst::FlowReturn LegacyDecoder::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer)
383{
384 Gst::MapInfo info;
385 buffer->map(info, Gst::MAP_READ);
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386 uint64_t num_samples = info.get_size() / unitsite_;
387 srd_session_send(session_, abs_ss_, abs_ss_ + num_samples,
388 info.get_data(), info.get_size(), unitsite_);
389 abs_ss_ += num_samples;
b1322000 390 buffer->unmap(info);
31b3babd 391
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392 return Gst::FLOW_OK;
393}
394
395bool LegacyDecoder::start_vfunc()
396{
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397 abs_ss_ = 0;
398 srd_session_start(session_);
31b3babd 399
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400 return true;
401}
402
403bool LegacyDecoder::stop_vfunc()
404{
b37c14d6 405 srd_session_terminate_reset(session_);
31b3babd 406
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407 return true;
408}
45e6e688 409#endif
b1322000 410
b903bb0a 411}