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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; |
32 | ||
b903bb0a UH |
33 | void init() |
34 | { | |
870da4f2 | 35 | if (srf_initialized_) |
fa243f2c UH |
36 | throw runtime_error("libsigrokflow is already initialized"); |
37 | ||
7bc190e8 UH |
38 | if (!Gst::is_initialized()) |
39 | throw runtime_error("Gst::init() has not run yet"); | |
40 | ||
1060e9b5 | 41 | #ifdef HAVE_LIBSIGROKCXX |
6d71d36a ML |
42 | Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, |
43 | "sigrok_legacy_capture_device", | |
44 | "Wrapper for capture devices using legacy libsigrok APIs", | |
45 | sigc::ptr_fun(&LegacyCaptureDevice::register_element), | |
97513ff0 | 46 | "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org"); |
92d521e7 ML |
47 | Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, |
48 | "sigrok_legacy_input", | |
49 | "Wrapper for inputs using legacy libsigrok APIs", | |
50 | sigc::ptr_fun(&LegacyInput::register_element), | |
51 | "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org"); | |
e2cfc0ef ML |
52 | Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, |
53 | "sigrok_legacy_output", | |
54 | "Wrapper for outputs using legacy libsigrok APIs", | |
55 | sigc::ptr_fun(&LegacyOutput::register_element), | |
56 | "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org"); | |
1060e9b5 | 57 | #endif |
45e6e688 | 58 | #ifdef HAVE_LIBSIGROKDECODE |
b1322000 UH |
59 | Gst::Plugin::register_static(GST_VERSION_MAJOR, GST_VERSION_MINOR, |
60 | "sigrok_legacy_decoder", | |
61 | "Wrapper for protocol decoders using legacy libsigrokdecode APIs", | |
62 | sigc::ptr_fun(&LegacyDecoder::register_element), | |
63 | "0.01", "GPL", "sigrok", "libsigrokflow", "http://sigrok.org"); | |
45e6e688 | 64 | #endif |
fa243f2c | 65 | |
870da4f2 UH |
66 | srf_initialized_ = true; |
67 | } | |
68 | ||
69 | void deinit() | |
70 | { | |
8272aafa UH |
71 | if (!srf_initialized_) |
72 | throw runtime_error("libsigrokflow is not initialized"); | |
31b3babd | 73 | |
870da4f2 | 74 | srf_initialized_ = false; |
6d71d36a ML |
75 | } |
76 | ||
e2cfc0ef ML |
77 | Sink::Sink(GstBaseSink *gobj) : |
78 | Gst::BaseSink(gobj) | |
4b7d782a ML |
79 | { |
80 | } | |
81 | ||
82 | Device::Device(GstElement *gobj) : | |
e2cfc0ef | 83 | Gst::Element(gobj) |
4b7d782a ML |
84 | { |
85 | } | |
86 | ||
87 | CaptureDevice::CaptureDevice(GstElement *gobj) : | |
88 | Device(gobj) | |
89 | { | |
90 | } | |
91 | ||
1060e9b5 | 92 | #ifdef HAVE_LIBSIGROKCXX |
6d71d36a ML |
93 | void LegacyCaptureDevice::class_init(Gst::ElementClass<LegacyCaptureDevice> *klass) |
94 | { | |
95 | klass->set_metadata("sigrok legacy capture device", | |
96 | "Source", "Wrapper for capture devices using legacy libsigrok APIs", | |
97 | "Martin Ling"); | |
98 | ||
99 | klass->add_pad_template(Gst::PadTemplate::create( | |
100 | "src", | |
101 | Gst::PAD_SRC, | |
102 | Gst::PAD_ALWAYS, | |
103 | Gst::Caps::create_any())); | |
104 | } | |
105 | ||
106 | bool LegacyCaptureDevice::register_element(Glib::RefPtr<Gst::Plugin> plugin) | |
107 | { | |
108 | Gst::ElementFactory::register_element(plugin, "sigrok_legacy_capture_device", | |
109 | 0, Gst::register_mm_type<LegacyCaptureDevice>( | |
110 | "sigrok_legacy_capture_device")); | |
31b3babd | 111 | |
6d71d36a ML |
112 | return true; |
113 | } | |
114 | ||
115 | LegacyCaptureDevice::LegacyCaptureDevice(GstElement *gobj) : | |
116 | Glib::ObjectBase(typeid(LegacyCaptureDevice)), | |
117 | CaptureDevice(gobj) | |
118 | { | |
119 | add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src")); | |
b903bb0a UH |
120 | } |
121 | ||
64b0db03 ML |
122 | Glib::RefPtr<LegacyCaptureDevice>LegacyCaptureDevice::create( |
123 | shared_ptr<sigrok::HardwareDevice> libsigrok_device) | |
f7363af1 | 124 | { |
64b0db03 | 125 | auto element = Gst::ElementFactory::create_element("sigrok_legacy_capture_device"); |
d75c9a6a ML |
126 | if (!element) |
127 | throw runtime_error("Failed to create element - plugin not registered?"); | |
64b0db03 | 128 | auto device = Glib::RefPtr<LegacyCaptureDevice>::cast_static(element); |
64b0db03 | 129 | device->_libsigrok_device = libsigrok_device; |
31b3babd | 130 | |
64b0db03 | 131 | return device; |
f7363af1 ML |
132 | } |
133 | ||
d03b3a98 | 134 | shared_ptr<sigrok::HardwareDevice> LegacyCaptureDevice::libsigrok_device() |
f7363af1 | 135 | { |
64b0db03 | 136 | return _libsigrok_device; |
f7363af1 ML |
137 | } |
138 | ||
d03b3a98 ML |
139 | Gst::StateChangeReturn LegacyCaptureDevice::change_state_vfunc(Gst::StateChange transition) |
140 | { | |
31b3babd UH |
141 | switch (transition) { |
142 | case Gst::STATE_CHANGE_READY_TO_PAUSED: | |
143 | return Gst::StateChangeReturn::STATE_CHANGE_NO_PREROLL; | |
144 | case Gst::STATE_CHANGE_PAUSED_TO_PLAYING: | |
145 | _task = Gst::Task::create(std::bind(&LegacyCaptureDevice::_run, this)); | |
146 | _task->set_lock(_mutex); | |
147 | _src_pad->set_active(true); | |
148 | _task->start(); | |
149 | return Gst::STATE_CHANGE_SUCCESS; | |
150 | default: | |
151 | return Gst::STATE_CHANGE_SUCCESS; | |
d03b3a98 ML |
152 | } |
153 | } | |
154 | ||
155 | void LegacyCaptureDevice::_datafeed_callback( | |
156 | shared_ptr<sigrok::Device> device, | |
157 | shared_ptr<sigrok::Packet> packet) | |
158 | { | |
31b3babd UH |
159 | (void)device; |
160 | ||
d03b3a98 | 161 | switch (packet->type()->id()) { |
31b3babd UH |
162 | case SR_DF_LOGIC: { |
163 | auto logic = static_pointer_cast<sigrok::Logic>(packet->payload()); | |
164 | auto mem = Gst::Memory::create( | |
165 | Gst::MEMORY_FLAG_READONLY, | |
166 | logic->data_pointer(), | |
167 | logic->data_length(), | |
168 | 0, | |
169 | logic->data_length()); | |
170 | auto buf = Gst::Buffer::create(); | |
171 | buf->append_memory(move(mem)); | |
172 | _src_pad->push(move(buf)); | |
173 | break; | |
174 | } | |
175 | case SR_DF_END: | |
176 | _session->stop(); | |
177 | _src_pad->push_event(Gst::EventEos::create()); | |
178 | break; | |
179 | default: | |
180 | break; | |
d03b3a98 ML |
181 | } |
182 | } | |
183 | ||
184 | void LegacyCaptureDevice::_run() | |
185 | { | |
64b0db03 ML |
186 | _session = _libsigrok_device->driver()->parent()->create_session(); |
187 | _session->add_device(_libsigrok_device); | |
d03b3a98 ML |
188 | _session->add_datafeed_callback(bind(&LegacyCaptureDevice::_datafeed_callback, this, _1, _2)); |
189 | _session->start(); | |
190 | _session->run(); | |
191 | _task->stop(); | |
192 | } | |
193 | ||
92d521e7 ML |
194 | void LegacyInput::class_init(Gst::ElementClass<LegacyInput> *klass) |
195 | { | |
196 | klass->set_metadata("sigrok legacy input", | |
197 | "Transform", "Wrapper for inputs using legacy libsigrok APIs", | |
198 | "Martin Ling"); | |
199 | ||
200 | klass->add_pad_template(Gst::PadTemplate::create( | |
201 | "sink", | |
202 | Gst::PAD_SINK, | |
203 | Gst::PAD_ALWAYS, | |
204 | Gst::Caps::create_any())); | |
205 | ||
206 | klass->add_pad_template(Gst::PadTemplate::create( | |
207 | "src", | |
208 | Gst::PAD_SRC, | |
209 | Gst::PAD_ALWAYS, | |
210 | Gst::Caps::create_any())); | |
211 | } | |
212 | ||
213 | bool LegacyInput::register_element(Glib::RefPtr<Gst::Plugin> plugin) | |
214 | { | |
215 | Gst::ElementFactory::register_element(plugin, "sigrok_legacy_input", | |
216 | 0, Gst::register_mm_type<LegacyInput>( | |
217 | "sigrok_legacy_input")); | |
31b3babd | 218 | |
92d521e7 ML |
219 | return true; |
220 | } | |
221 | ||
222 | LegacyInput::LegacyInput(GstElement *gobj) : | |
223 | Glib::ObjectBase(typeid(LegacyInput)), | |
224 | Gst::Element(gobj) | |
225 | { | |
226 | add_pad(_sink_pad = Gst::Pad::create(get_pad_template("sink"), "sink")); | |
227 | add_pad(_src_pad = Gst::Pad::create(get_pad_template("src"), "src")); | |
228 | _sink_pad->set_chain_function(sigc::mem_fun(*this, &LegacyInput::chain)); | |
229 | } | |
230 | ||
231 | Glib::RefPtr<LegacyInput> LegacyInput::create( | |
232 | shared_ptr<sigrok::InputFormat> libsigrok_input_format, | |
233 | map<string, Glib::VariantBase> options) | |
234 | { | |
235 | auto element = Gst::ElementFactory::create_element("sigrok_legacy_input"); | |
236 | if (!element) | |
237 | throw runtime_error("Failed to create element - plugin not registered?"); | |
238 | auto input = Glib::RefPtr<LegacyInput>::cast_static(element); | |
239 | input->_libsigrok_input_format = libsigrok_input_format; | |
240 | input->_options = options; | |
31b3babd | 241 | |
92d521e7 ML |
242 | return input; |
243 | } | |
244 | ||
245 | bool LegacyInput::start_vfunc() | |
246 | { | |
247 | _libsigrok_input = _libsigrok_input_format->create_input(_options); | |
248 | auto context = _libsigrok_input_format->parent(); | |
249 | _session = context->create_session(); | |
250 | _session->add_device(_libsigrok_input->device()); | |
251 | _session->add_datafeed_callback(bind(&LegacyInput::_datafeed_callback, this, _1, _2)); | |
252 | _session->start(); | |
31b3babd | 253 | |
92d521e7 ML |
254 | return true; |
255 | } | |
256 | ||
257 | void LegacyInput::_datafeed_callback( | |
258 | shared_ptr<sigrok::Device> device, | |
259 | shared_ptr<sigrok::Packet> packet) | |
260 | { | |
31b3babd UH |
261 | (void)device; |
262 | ||
92d521e7 | 263 | switch (packet->type()->id()) { |
31b3babd UH |
264 | case SR_DF_LOGIC: { |
265 | auto logic = static_pointer_cast<sigrok::Logic>(packet->payload()); | |
266 | auto mem = Gst::Memory::create( | |
267 | Gst::MEMORY_FLAG_READONLY, | |
268 | logic->data_pointer(), | |
269 | logic->data_length(), | |
270 | 0, | |
271 | logic->data_length()); | |
272 | auto buf = Gst::Buffer::create(); | |
273 | buf->append_memory(move(mem)); | |
274 | _src_pad->push(move(buf)); | |
275 | break; | |
276 | } | |
277 | case SR_DF_END: | |
278 | _session->stop(); | |
279 | _src_pad->push_event(Gst::EventEos::create()); | |
280 | break; | |
281 | default: | |
282 | break; | |
92d521e7 ML |
283 | } |
284 | } | |
285 | ||
286 | Gst::FlowReturn LegacyInput::chain(const Glib::RefPtr<Gst::Pad> &, | |
31b3babd | 287 | const Glib::RefPtr<Gst::Buffer> &buf) |
92d521e7 ML |
288 | { |
289 | Gst::MapInfo info; | |
290 | buf->map(info, Gst::MAP_READ); | |
291 | _libsigrok_input->send(info.get_data(), info.get_size()); | |
292 | buf->unmap(info); | |
31b3babd | 293 | |
92d521e7 ML |
294 | return Gst::FLOW_OK; |
295 | } | |
296 | ||
297 | bool LegacyInput::stop_vfunc() | |
298 | { | |
299 | _libsigrok_input->end(); | |
31b3babd | 300 | |
92d521e7 ML |
301 | return true; |
302 | } | |
303 | ||
e2cfc0ef ML |
304 | void LegacyOutput::class_init(Gst::ElementClass<LegacyOutput> *klass) |
305 | { | |
306 | klass->set_metadata("sigrok legacy output", | |
307 | "Sink", "Wrapper for outputs using legacy libsigrok APIs", | |
308 | "Martin Ling"); | |
309 | ||
310 | klass->add_pad_template(Gst::PadTemplate::create( | |
311 | "sink", | |
312 | Gst::PAD_SINK, | |
313 | Gst::PAD_ALWAYS, | |
314 | Gst::Caps::create_any())); | |
315 | } | |
316 | ||
317 | bool LegacyOutput::register_element(Glib::RefPtr<Gst::Plugin> plugin) | |
318 | { | |
319 | Gst::ElementFactory::register_element(plugin, "sigrok_legacy_output", | |
320 | 0, Gst::register_mm_type<LegacyOutput>( | |
321 | "sigrok_legacy_output")); | |
31b3babd | 322 | |
e2cfc0ef ML |
323 | return true; |
324 | } | |
325 | ||
326 | LegacyOutput::LegacyOutput(GstBaseSink *gobj) : | |
327 | Glib::ObjectBase(typeid(LegacyOutput)), | |
328 | Sink(gobj) | |
329 | { | |
e2cfc0ef ML |
330 | } |
331 | ||
332 | Glib::RefPtr<LegacyOutput>LegacyOutput::create( | |
726122c2 ML |
333 | shared_ptr<sigrok::OutputFormat> libsigrok_output_format, |
334 | shared_ptr<sigrok::Device> libsigrok_device, | |
335 | map<string, Glib::VariantBase> options) | |
e2cfc0ef ML |
336 | { |
337 | auto element = Gst::ElementFactory::create_element("sigrok_legacy_output"); | |
338 | if (!element) | |
339 | throw runtime_error("Failed to create element - plugin not registered?"); | |
340 | auto output = Glib::RefPtr<LegacyOutput>::cast_static(element); | |
726122c2 ML |
341 | output->_libsigrok_output_format = libsigrok_output_format; |
342 | output->_libsigrok_device = libsigrok_device; | |
343 | output->_options = options; | |
31b3babd | 344 | |
e2cfc0ef ML |
345 | return output; |
346 | } | |
347 | ||
726122c2 | 348 | bool LegacyOutput::start_vfunc() |
e2cfc0ef | 349 | { |
726122c2 ML |
350 | _libsigrok_output = _libsigrok_output_format->create_output( |
351 | _libsigrok_device, _options); | |
31b3babd | 352 | |
726122c2 | 353 | return true; |
e2cfc0ef ML |
354 | } |
355 | ||
356 | Gst::FlowReturn LegacyOutput::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer) | |
357 | { | |
358 | Gst::MapInfo info; | |
359 | buffer->map(info, Gst::MAP_READ); | |
726122c2 | 360 | auto context = _libsigrok_output_format->parent(); |
e2cfc0ef ML |
361 | auto packet = context->create_logic_packet( |
362 | info.get_data(), info.get_size(), 2); | |
363 | auto result = _libsigrok_output->receive(packet); | |
364 | cout << result; | |
365 | buffer->unmap(info); | |
31b3babd | 366 | |
e2cfc0ef ML |
367 | return Gst::FLOW_OK; |
368 | } | |
369 | ||
370 | bool LegacyOutput::stop_vfunc() | |
371 | { | |
726122c2 | 372 | auto context = _libsigrok_output_format->parent(); |
e2cfc0ef ML |
373 | auto end_packet = context->create_end_packet(); |
374 | auto result = _libsigrok_output->receive(end_packet); | |
375 | cout << result; | |
31b3babd | 376 | |
e2cfc0ef ML |
377 | return true; |
378 | } | |
1060e9b5 | 379 | #endif |
e2cfc0ef | 380 | |
45e6e688 | 381 | #ifdef HAVE_LIBSIGROKDECODE |
b1322000 UH |
382 | void LegacyDecoder::class_init(Gst::ElementClass<LegacyDecoder> *klass) |
383 | { | |
384 | klass->set_metadata("sigrok legacy decoder", | |
385 | "Sink", "Wrapper for protocol decoders using legacy libsigrokdecode APIs", | |
386 | "Uwe Hermann"); | |
387 | ||
388 | klass->add_pad_template(Gst::PadTemplate::create( | |
389 | "sink", | |
390 | Gst::PAD_SINK, | |
391 | Gst::PAD_ALWAYS, | |
392 | Gst::Caps::create_any())); | |
393 | } | |
394 | ||
395 | bool LegacyDecoder::register_element(Glib::RefPtr<Gst::Plugin> plugin) | |
396 | { | |
397 | Gst::ElementFactory::register_element(plugin, "sigrok_legacy_decoder", | |
398 | 0, Gst::register_mm_type<LegacyDecoder>( | |
399 | "sigrok_legacy_decoder")); | |
31b3babd | 400 | |
b1322000 UH |
401 | return true; |
402 | } | |
403 | ||
404 | LegacyDecoder::LegacyDecoder(GstBaseSink *gobj) : | |
405 | Glib::ObjectBase(typeid(LegacyDecoder)), | |
406 | Sink(gobj) | |
407 | { | |
408 | } | |
409 | ||
410 | Glib::RefPtr<LegacyDecoder>LegacyDecoder::create( | |
411 | struct srd_session *libsigrokdecode_session, uint64_t unitsize) | |
412 | { | |
413 | auto element = Gst::ElementFactory::create_element("sigrok_legacy_decoder"); | |
414 | if (!element) | |
415 | throw runtime_error("Failed to create element - plugin not registered?"); | |
416 | auto decoder = Glib::RefPtr<LegacyDecoder>::cast_static(element); | |
417 | decoder->_session = libsigrokdecode_session; | |
418 | decoder->_unitsize = unitsize; | |
31b3babd | 419 | |
b1322000 UH |
420 | return decoder; |
421 | } | |
422 | ||
423 | struct srd_session *LegacyDecoder::libsigrokdecode_session() | |
424 | { | |
425 | return _session; | |
426 | } | |
427 | ||
428 | Gst::FlowReturn LegacyDecoder::render_vfunc(const Glib::RefPtr<Gst::Buffer> &buffer) | |
429 | { | |
430 | Gst::MapInfo info; | |
431 | buffer->map(info, Gst::MAP_READ); | |
432 | uint64_t num_samples = info.get_size() / _unitsize; | |
433 | srd_session_send(_session, _abs_ss, _abs_ss + num_samples, | |
434 | info.get_data(), info.get_size(), _unitsize); | |
435 | _abs_ss += num_samples; | |
436 | buffer->unmap(info); | |
31b3babd | 437 | |
b1322000 UH |
438 | return Gst::FLOW_OK; |
439 | } | |
440 | ||
441 | bool LegacyDecoder::start_vfunc() | |
442 | { | |
443 | _abs_ss = 0; | |
444 | srd_session_start(_session); | |
31b3babd | 445 | |
b1322000 UH |
446 | return true; |
447 | } | |
448 | ||
449 | bool LegacyDecoder::stop_vfunc() | |
450 | { | |
451 | srd_session_terminate_reset(_session); | |
31b3babd | 452 | |
b1322000 UH |
453 | return true; |
454 | } | |
45e6e688 | 455 | #endif |
b1322000 | 456 | |
b903bb0a | 457 | } |