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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifdef _WIN32 | |
22 | // Windows: Avoid boost/thread namespace pollution (which includes windows.h). | |
23 | #define NOGDI | |
24 | #define NORESOURCE | |
25 | #endif | |
26 | #include <boost/thread/locks.hpp> | |
27 | #include <boost/thread/shared_mutex.hpp> | |
28 | ||
29 | #ifdef ENABLE_DECODE | |
30 | #include <libsigrokdecode/libsigrokdecode.h> | |
31 | #endif | |
32 | ||
33 | #include "session.hpp" | |
34 | ||
35 | #include "devicemanager.hpp" | |
36 | ||
37 | #include "data/analog.hpp" | |
38 | #include "data/analogsegment.hpp" | |
39 | #include "data/decoderstack.hpp" | |
40 | #include "data/logic.hpp" | |
41 | #include "data/logicsegment.hpp" | |
42 | #include "data/decode/decoder.hpp" | |
43 | ||
44 | #include "devices/hardwaredevice.hpp" | |
45 | #include "devices/sessionfile.hpp" | |
46 | ||
47 | #include "view/analogsignal.hpp" | |
48 | #include "view/decodetrace.hpp" | |
49 | #include "view/logicsignal.hpp" | |
50 | ||
51 | #include <cassert> | |
52 | #include <mutex> | |
53 | #include <stdexcept> | |
54 | ||
55 | #include <sys/stat.h> | |
56 | ||
57 | #include <QDebug> | |
58 | ||
59 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
60 | ||
61 | using boost::shared_lock; | |
62 | using boost::shared_mutex; | |
63 | using boost::unique_lock; | |
64 | ||
65 | using std::dynamic_pointer_cast; | |
66 | using std::function; | |
67 | using std::lock_guard; | |
68 | using std::list; | |
69 | using std::map; | |
70 | using std::mutex; | |
71 | using std::recursive_mutex; | |
72 | using std::set; | |
73 | using std::shared_ptr; | |
74 | using std::string; | |
75 | using std::unordered_set; | |
76 | using std::vector; | |
77 | ||
78 | using sigrok::Analog; | |
79 | using sigrok::Channel; | |
80 | using sigrok::ChannelType; | |
81 | using sigrok::ConfigKey; | |
82 | using sigrok::DatafeedCallbackFunction; | |
83 | using sigrok::Error; | |
84 | using sigrok::Header; | |
85 | using sigrok::Logic; | |
86 | using sigrok::Meta; | |
87 | using sigrok::Packet; | |
88 | using sigrok::PacketPayload; | |
89 | using sigrok::Session; | |
90 | using sigrok::SessionDevice; | |
91 | ||
92 | using Glib::VariantBase; | |
93 | using Glib::Variant; | |
94 | ||
95 | namespace pv { | |
96 | Session::Session(DeviceManager &device_manager) : | |
97 | device_manager_(device_manager), | |
98 | capture_state_(Stopped), | |
99 | cur_samplerate_(0) | |
100 | { | |
101 | } | |
102 | ||
103 | Session::~Session() | |
104 | { | |
105 | // Stop and join to the thread | |
106 | stop_capture(); | |
107 | } | |
108 | ||
109 | DeviceManager& Session::device_manager() | |
110 | { | |
111 | return device_manager_; | |
112 | } | |
113 | ||
114 | const DeviceManager& Session::device_manager() const | |
115 | { | |
116 | return device_manager_; | |
117 | } | |
118 | ||
119 | shared_ptr<sigrok::Session> Session::session() const | |
120 | { | |
121 | if (!device_) | |
122 | return shared_ptr<sigrok::Session>(); | |
123 | return device_->session(); | |
124 | } | |
125 | ||
126 | shared_ptr<devices::Device> Session::device() const | |
127 | { | |
128 | return device_; | |
129 | } | |
130 | ||
131 | void Session::set_device(shared_ptr<devices::Device> device) | |
132 | { | |
133 | assert(device); | |
134 | ||
135 | // Ensure we are not capturing before setting the device | |
136 | stop_capture(); | |
137 | ||
138 | if (device_) | |
139 | device_->close(); | |
140 | ||
141 | device_.reset(); | |
142 | ||
143 | // Remove all traces | |
144 | signals_.clear(); | |
145 | decode_traces_.clear(); | |
146 | signals_changed(); | |
147 | ||
148 | device_ = std::move(device); | |
149 | device_->open(); | |
150 | device_->session()->add_datafeed_callback([=] | |
151 | (shared_ptr<sigrok::Device> device, shared_ptr<Packet> packet) { | |
152 | data_feed_in(device, packet); | |
153 | }); | |
154 | ||
155 | update_signals(); | |
156 | device_selected(); | |
157 | } | |
158 | ||
159 | void Session::set_default_device() | |
160 | { | |
161 | const list< shared_ptr<devices::HardwareDevice> > &devices = | |
162 | device_manager_.devices(); | |
163 | ||
164 | if (devices.empty()) | |
165 | return; | |
166 | ||
167 | // Try and find the demo device and select that by default | |
168 | const auto iter = std::find_if(devices.begin(), devices.end(), | |
169 | [] (const shared_ptr<devices::HardwareDevice> &d) { | |
170 | return d->hardware_device()->driver()->name() == | |
171 | "demo"; }); | |
172 | set_device((iter == devices.end()) ? devices.front() : *iter); | |
173 | } | |
174 | ||
175 | Session::capture_state Session::get_capture_state() const | |
176 | { | |
177 | lock_guard<mutex> lock(sampling_mutex_); | |
178 | return capture_state_; | |
179 | } | |
180 | ||
181 | void Session::start_capture(function<void (const QString)> error_handler) | |
182 | { | |
183 | stop_capture(); | |
184 | ||
185 | // Check that at least one channel is enabled | |
186 | assert(device_); | |
187 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
188 | if (sr_dev) { | |
189 | const auto channels = sr_dev->channels(); | |
190 | if (!std::any_of(channels.begin(), channels.end(), | |
191 | [](shared_ptr<Channel> channel) { | |
192 | return channel->enabled(); })) { | |
193 | error_handler(tr("No channels enabled.")); | |
194 | return; | |
195 | } | |
196 | } | |
197 | ||
198 | // Clear signal data | |
199 | for (const shared_ptr<data::SignalData> d : get_data()) | |
200 | d->clear(); | |
201 | ||
202 | // Begin the session | |
203 | sampling_thread_ = std::thread( | |
204 | &Session::sample_thread_proc, this, device_, | |
205 | error_handler); | |
206 | } | |
207 | ||
208 | void Session::stop_capture() | |
209 | { | |
210 | if (get_capture_state() != Stopped) | |
211 | device_->stop(); | |
212 | ||
213 | // Check that sampling stopped | |
214 | if (sampling_thread_.joinable()) | |
215 | sampling_thread_.join(); | |
216 | } | |
217 | ||
218 | set< shared_ptr<data::SignalData> > Session::get_data() const | |
219 | { | |
220 | shared_lock<shared_mutex> lock(signals_mutex_); | |
221 | set< shared_ptr<data::SignalData> > data; | |
222 | for (const shared_ptr<view::Signal> sig : signals_) { | |
223 | assert(sig); | |
224 | data.insert(sig->data()); | |
225 | } | |
226 | ||
227 | return data; | |
228 | } | |
229 | ||
230 | double Session::get_samplerate() const | |
231 | { | |
232 | double samplerate = 0.0; | |
233 | ||
234 | for (const shared_ptr<pv::data::SignalData> d : get_data()) { | |
235 | assert(d); | |
236 | const vector< shared_ptr<pv::data::Segment> > segments = | |
237 | d->segments(); | |
238 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
239 | samplerate = std::max(samplerate, s->samplerate()); | |
240 | } | |
241 | ||
242 | // If there is no sample rate given we use samples as unit | |
243 | if (samplerate == 0.0) | |
244 | samplerate = 1.0; | |
245 | ||
246 | return samplerate; | |
247 | } | |
248 | ||
249 | const unordered_set< shared_ptr<view::Signal> > Session::signals() const | |
250 | { | |
251 | shared_lock<shared_mutex> lock(signals_mutex_); | |
252 | return signals_; | |
253 | } | |
254 | ||
255 | #ifdef ENABLE_DECODE | |
256 | bool Session::add_decoder(srd_decoder *const dec) | |
257 | { | |
258 | map<const srd_channel*, shared_ptr<view::LogicSignal> > channels; | |
259 | shared_ptr<data::DecoderStack> decoder_stack; | |
260 | ||
261 | try { | |
262 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
263 | ||
264 | // Create the decoder | |
265 | decoder_stack = shared_ptr<data::DecoderStack>( | |
266 | new data::DecoderStack(*this, dec)); | |
267 | ||
268 | // Make a list of all the channels | |
269 | std::vector<const srd_channel*> all_channels; | |
270 | for (const GSList *i = dec->channels; i; i = i->next) | |
271 | all_channels.push_back((const srd_channel*)i->data); | |
272 | for (const GSList *i = dec->opt_channels; i; i = i->next) | |
273 | all_channels.push_back((const srd_channel*)i->data); | |
274 | ||
275 | // Auto select the initial channels | |
276 | for (const srd_channel *pdch : all_channels) | |
277 | for (shared_ptr<view::Signal> s : signals_) { | |
278 | shared_ptr<view::LogicSignal> l = | |
279 | dynamic_pointer_cast<view::LogicSignal>(s); | |
280 | if (l && QString::fromUtf8(pdch->name). | |
281 | toLower().contains( | |
282 | l->name().toLower())) | |
283 | channels[pdch] = l; | |
284 | } | |
285 | ||
286 | assert(decoder_stack); | |
287 | assert(!decoder_stack->stack().empty()); | |
288 | assert(decoder_stack->stack().front()); | |
289 | decoder_stack->stack().front()->set_channels(channels); | |
290 | ||
291 | // Create the decode signal | |
292 | shared_ptr<view::DecodeTrace> d( | |
293 | new view::DecodeTrace(*this, decoder_stack, | |
294 | decode_traces_.size())); | |
295 | decode_traces_.push_back(d); | |
296 | } catch (std::runtime_error e) { | |
297 | return false; | |
298 | } | |
299 | ||
300 | signals_changed(); | |
301 | ||
302 | // Do an initial decode | |
303 | decoder_stack->begin_decode(); | |
304 | ||
305 | return true; | |
306 | } | |
307 | ||
308 | vector< shared_ptr<view::DecodeTrace> > Session::get_decode_signals() const | |
309 | { | |
310 | shared_lock<shared_mutex> lock(signals_mutex_); | |
311 | return decode_traces_; | |
312 | } | |
313 | ||
314 | void Session::remove_decode_signal(view::DecodeTrace *signal) | |
315 | { | |
316 | for (auto i = decode_traces_.begin(); i != decode_traces_.end(); i++) | |
317 | if ((*i).get() == signal) { | |
318 | decode_traces_.erase(i); | |
319 | signals_changed(); | |
320 | return; | |
321 | } | |
322 | } | |
323 | #endif | |
324 | ||
325 | void Session::set_capture_state(capture_state state) | |
326 | { | |
327 | bool changed; | |
328 | ||
329 | { | |
330 | lock_guard<mutex> lock(sampling_mutex_); | |
331 | changed = capture_state_ != state; | |
332 | capture_state_ = state; | |
333 | } | |
334 | ||
335 | if (changed) | |
336 | capture_state_changed(state); | |
337 | } | |
338 | ||
339 | void Session::update_signals() | |
340 | { | |
341 | assert(device_); | |
342 | ||
343 | lock_guard<recursive_mutex> lock(data_mutex_); | |
344 | ||
345 | const shared_ptr<sigrok::Device> sr_dev = device_->device(); | |
346 | if (!sr_dev) { | |
347 | signals_.clear(); | |
348 | logic_data_.reset(); | |
349 | return; | |
350 | } | |
351 | ||
352 | // Detect what data types we will receive | |
353 | auto channels = sr_dev->channels(); | |
354 | unsigned int logic_channel_count = std::count_if( | |
355 | channels.begin(), channels.end(), | |
356 | [] (shared_ptr<Channel> channel) { | |
357 | return channel->type() == ChannelType::LOGIC; }); | |
358 | ||
359 | // Create data containers for the logic data segments | |
360 | { | |
361 | lock_guard<recursive_mutex> data_lock(data_mutex_); | |
362 | ||
363 | if (logic_channel_count == 0) { | |
364 | logic_data_.reset(); | |
365 | } else if (!logic_data_ || | |
366 | logic_data_->num_channels() != logic_channel_count) { | |
367 | logic_data_.reset(new data::Logic( | |
368 | logic_channel_count)); | |
369 | assert(logic_data_); | |
370 | } | |
371 | } | |
372 | ||
373 | // Make the Signals list | |
374 | { | |
375 | unique_lock<shared_mutex> lock(signals_mutex_); | |
376 | ||
377 | unordered_set< shared_ptr<view::Signal> > prev_sigs(signals_); | |
378 | signals_.clear(); | |
379 | ||
380 | for (auto channel : sr_dev->channels()) { | |
381 | shared_ptr<view::Signal> signal; | |
382 | ||
383 | // Find the channel in the old signals | |
384 | const auto iter = std::find_if( | |
385 | prev_sigs.cbegin(), prev_sigs.cend(), | |
386 | [&](const shared_ptr<view::Signal> &s) { | |
387 | return s->channel() == channel; | |
388 | }); | |
389 | if (iter != prev_sigs.end()) { | |
390 | // Copy the signal from the old set to the new | |
391 | signal = *iter; | |
392 | auto logic_signal = dynamic_pointer_cast< | |
393 | view::LogicSignal>(signal); | |
394 | if (logic_signal) | |
395 | logic_signal->set_logic_data( | |
396 | logic_data_); | |
397 | } else { | |
398 | // Create a new signal | |
399 | switch(channel->type()->id()) { | |
400 | case SR_CHANNEL_LOGIC: | |
401 | signal = shared_ptr<view::Signal>( | |
402 | new view::LogicSignal(*this, | |
403 | device_, channel, | |
404 | logic_data_)); | |
405 | break; | |
406 | ||
407 | case SR_CHANNEL_ANALOG: | |
408 | { | |
409 | shared_ptr<data::Analog> data( | |
410 | new data::Analog()); | |
411 | signal = shared_ptr<view::Signal>( | |
412 | new view::AnalogSignal( | |
413 | *this, channel, data)); | |
414 | break; | |
415 | } | |
416 | ||
417 | default: | |
418 | assert(0); | |
419 | break; | |
420 | } | |
421 | } | |
422 | ||
423 | assert(signal); | |
424 | signals_.insert(signal); | |
425 | } | |
426 | } | |
427 | ||
428 | signals_changed(); | |
429 | } | |
430 | ||
431 | shared_ptr<view::Signal> Session::signal_from_channel( | |
432 | shared_ptr<Channel> channel) const | |
433 | { | |
434 | lock_guard<boost::shared_mutex> lock(signals_mutex_); | |
435 | for (shared_ptr<view::Signal> sig : signals_) { | |
436 | assert(sig); | |
437 | if (sig->channel() == channel) | |
438 | return sig; | |
439 | } | |
440 | return shared_ptr<view::Signal>(); | |
441 | } | |
442 | ||
443 | void Session::sample_thread_proc(shared_ptr<devices::Device> device, | |
444 | function<void (const QString)> error_handler) | |
445 | { | |
446 | assert(device); | |
447 | assert(error_handler); | |
448 | ||
449 | (void)device; | |
450 | ||
451 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
452 | ||
453 | out_of_memory_ = false; | |
454 | ||
455 | try { | |
456 | device_->start(); | |
457 | } catch (Error e) { | |
458 | error_handler(e.what()); | |
459 | return; | |
460 | } | |
461 | ||
462 | set_capture_state(device_->session()->trigger() ? | |
463 | AwaitingTrigger : Running); | |
464 | ||
465 | device_->run(); | |
466 | set_capture_state(Stopped); | |
467 | ||
468 | // Confirm that SR_DF_END was received | |
469 | if (cur_logic_segment_) { | |
470 | qDebug("SR_DF_END was not received."); | |
471 | assert(0); | |
472 | } | |
473 | ||
474 | if (out_of_memory_) | |
475 | error_handler(tr("Out of memory, acquisition stopped.")); | |
476 | } | |
477 | ||
478 | void Session::feed_in_header() | |
479 | { | |
480 | cur_samplerate_ = device_->read_config<uint64_t>(ConfigKey::SAMPLERATE); | |
481 | } | |
482 | ||
483 | void Session::feed_in_meta(shared_ptr<Meta> meta) | |
484 | { | |
485 | for (auto entry : meta->config()) { | |
486 | switch (entry.first->id()) { | |
487 | case SR_CONF_SAMPLERATE: | |
488 | // We can't rely on the header to always contain the sample rate, | |
489 | // so in case it's supplied via a meta packet, we use it. | |
490 | if (!cur_samplerate_) | |
491 | cur_samplerate_ = g_variant_get_uint64(entry.second.gobj()); | |
492 | ||
493 | /// @todo handle samplerate changes | |
494 | break; | |
495 | default: | |
496 | // Unknown metadata is not an error. | |
497 | break; | |
498 | } | |
499 | } | |
500 | ||
501 | signals_changed(); | |
502 | } | |
503 | ||
504 | void Session::feed_in_trigger() | |
505 | { | |
506 | // The channel containing most samples should be most accurate | |
507 | uint64_t sample_count = 0; | |
508 | ||
509 | for (const shared_ptr<pv::data::SignalData> d : get_data()) { | |
510 | assert(d); | |
511 | uint64_t temp_count = 0; | |
512 | ||
513 | const vector< shared_ptr<pv::data::Segment> > segments = | |
514 | d->segments(); | |
515 | for (const shared_ptr<pv::data::Segment> &s : segments) | |
516 | temp_count += s->get_sample_count(); | |
517 | ||
518 | if (temp_count > sample_count) | |
519 | sample_count = temp_count; | |
520 | } | |
521 | ||
522 | trigger_event(sample_count / get_samplerate()); | |
523 | } | |
524 | ||
525 | void Session::feed_in_frame_begin() | |
526 | { | |
527 | if (cur_logic_segment_ || !cur_analog_segments_.empty()) | |
528 | frame_began(); | |
529 | } | |
530 | ||
531 | void Session::feed_in_logic(shared_ptr<Logic> logic) | |
532 | { | |
533 | lock_guard<recursive_mutex> lock(data_mutex_); | |
534 | ||
535 | const size_t sample_count = logic->data_length() / logic->unit_size(); | |
536 | ||
537 | if (!logic_data_) { | |
538 | // The only reason logic_data_ would not have been created is | |
539 | // if it was not possible to determine the signals when the | |
540 | // device was created. | |
541 | update_signals(); | |
542 | } | |
543 | ||
544 | if (!cur_logic_segment_) { | |
545 | // This could be the first packet after a trigger | |
546 | set_capture_state(Running); | |
547 | ||
548 | // Create a new data segment | |
549 | cur_logic_segment_ = shared_ptr<data::LogicSegment>( | |
550 | new data::LogicSegment( | |
551 | logic, cur_samplerate_, sample_count)); | |
552 | logic_data_->push_segment(cur_logic_segment_); | |
553 | ||
554 | // @todo Putting this here means that only listeners querying | |
555 | // for logic will be notified. Currently the only user of | |
556 | // frame_began is DecoderStack, but in future we need to signal | |
557 | // this after both analog and logic sweeps have begun. | |
558 | frame_began(); | |
559 | } else { | |
560 | // Append to the existing data segment | |
561 | cur_logic_segment_->append_payload(logic); | |
562 | } | |
563 | ||
564 | data_received(); | |
565 | } | |
566 | ||
567 | void Session::feed_in_analog(shared_ptr<Analog> analog) | |
568 | { | |
569 | lock_guard<recursive_mutex> lock(data_mutex_); | |
570 | ||
571 | const vector<shared_ptr<Channel>> channels = analog->channels(); | |
572 | const unsigned int channel_count = channels.size(); | |
573 | const size_t sample_count = analog->num_samples() / channel_count; | |
574 | const float *data = static_cast<const float *>(analog->data_pointer()); | |
575 | bool sweep_beginning = false; | |
576 | ||
577 | if (signals_.empty()) | |
578 | update_signals(); | |
579 | ||
580 | for (auto channel : channels) { | |
581 | shared_ptr<data::AnalogSegment> segment; | |
582 | ||
583 | // Try to get the segment of the channel | |
584 | const map< shared_ptr<Channel>, shared_ptr<data::AnalogSegment> >:: | |
585 | iterator iter = cur_analog_segments_.find(channel); | |
586 | if (iter != cur_analog_segments_.end()) | |
587 | segment = (*iter).second; | |
588 | else { | |
589 | // If no segment was found, this means we haven't | |
590 | // created one yet. i.e. this is the first packet | |
591 | // in the sweep containing this segment. | |
592 | sweep_beginning = true; | |
593 | ||
594 | // Create a segment, keep it in the maps of channels | |
595 | segment = shared_ptr<data::AnalogSegment>( | |
596 | new data::AnalogSegment( | |
597 | cur_samplerate_, sample_count)); | |
598 | cur_analog_segments_[channel] = segment; | |
599 | ||
600 | // Find the analog data associated with the channel | |
601 | shared_ptr<view::AnalogSignal> sig = | |
602 | dynamic_pointer_cast<view::AnalogSignal>( | |
603 | signal_from_channel(channel)); | |
604 | assert(sig); | |
605 | ||
606 | shared_ptr<data::Analog> data(sig->analog_data()); | |
607 | assert(data); | |
608 | ||
609 | // Push the segment into the analog data. | |
610 | data->push_segment(segment); | |
611 | } | |
612 | ||
613 | assert(segment); | |
614 | ||
615 | // Append the samples in the segment | |
616 | segment->append_interleaved_samples(data++, sample_count, | |
617 | channel_count); | |
618 | } | |
619 | ||
620 | if (sweep_beginning) { | |
621 | // This could be the first packet after a trigger | |
622 | set_capture_state(Running); | |
623 | } | |
624 | ||
625 | data_received(); | |
626 | } | |
627 | ||
628 | void Session::data_feed_in(shared_ptr<sigrok::Device> device, | |
629 | shared_ptr<Packet> packet) | |
630 | { | |
631 | (void)device; | |
632 | ||
633 | assert(device); | |
634 | assert(device == device_->device()); | |
635 | assert(packet); | |
636 | ||
637 | switch (packet->type()->id()) { | |
638 | case SR_DF_HEADER: | |
639 | feed_in_header(); | |
640 | break; | |
641 | ||
642 | case SR_DF_META: | |
643 | feed_in_meta(dynamic_pointer_cast<Meta>(packet->payload())); | |
644 | break; | |
645 | ||
646 | case SR_DF_TRIGGER: | |
647 | feed_in_trigger(); | |
648 | break; | |
649 | ||
650 | case SR_DF_FRAME_BEGIN: | |
651 | feed_in_frame_begin(); | |
652 | break; | |
653 | ||
654 | case SR_DF_LOGIC: | |
655 | try { | |
656 | feed_in_logic(dynamic_pointer_cast<Logic>(packet->payload())); | |
657 | } catch (std::bad_alloc) { | |
658 | out_of_memory_ = true; | |
659 | device_->stop(); | |
660 | } | |
661 | break; | |
662 | ||
663 | case SR_DF_ANALOG: | |
664 | try { | |
665 | feed_in_analog(dynamic_pointer_cast<Analog>(packet->payload())); | |
666 | } catch (std::bad_alloc) { | |
667 | out_of_memory_ = true; | |
668 | device_->stop(); | |
669 | } | |
670 | break; | |
671 | ||
672 | case SR_DF_END: | |
673 | { | |
674 | { | |
675 | lock_guard<recursive_mutex> lock(data_mutex_); | |
676 | cur_logic_segment_.reset(); | |
677 | cur_analog_segments_.clear(); | |
678 | } | |
679 | frame_ended(); | |
680 | break; | |
681 | } | |
682 | default: | |
683 | break; | |
684 | } | |
685 | } | |
686 | ||
687 | } // namespace pv |