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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net> | |
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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <cstring> | |
21 | #include <forward_list> | |
22 | #include <limits> | |
23 | ||
24 | #include <QDebug> | |
25 | ||
26 | #include "logic.hpp" | |
27 | #include "logicsegment.hpp" | |
28 | #include "decodesignal.hpp" | |
29 | #include "signaldata.hpp" | |
30 | ||
31 | #include <pv/data/decode/decoder.hpp> | |
32 | #include <pv/data/decode/row.hpp> | |
33 | #include <pv/globalsettings.hpp> | |
34 | #include <pv/session.hpp> | |
35 | ||
36 | using std::dynamic_pointer_cast; | |
37 | using std::lock_guard; | |
38 | using std::make_shared; | |
39 | using std::min; | |
40 | using std::out_of_range; | |
41 | using std::shared_ptr; | |
42 | using std::unique_lock; | |
43 | using pv::data::decode::AnnotationClass; | |
44 | using pv::data::decode::DecodeChannel; | |
45 | ||
46 | namespace pv { | |
47 | namespace data { | |
48 | ||
49 | const double DecodeSignal::DecodeMargin = 1.0; | |
50 | const double DecodeSignal::DecodeThreshold = 0.2; | |
51 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; | |
52 | ||
53 | ||
54 | DecodeSignal::DecodeSignal(pv::Session &session) : | |
55 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
56 | session_(session), | |
57 | srd_session_(nullptr), | |
58 | logic_mux_data_invalid_(false), | |
59 | stack_config_changed_(true), | |
60 | current_segment_id_(0) | |
61 | { | |
62 | connect(&session_, SIGNAL(capture_state_changed(int)), | |
63 | this, SLOT(on_capture_state_changed(int))); | |
64 | } | |
65 | ||
66 | DecodeSignal::~DecodeSignal() | |
67 | { | |
68 | reset_decode(true); | |
69 | } | |
70 | ||
71 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const | |
72 | { | |
73 | return stack_; | |
74 | } | |
75 | ||
76 | void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode) | |
77 | { | |
78 | assert(decoder); | |
79 | ||
80 | // Set name if this decoder is the first in the list or the name is unchanged | |
81 | const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder(); | |
82 | const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString(); | |
83 | ||
84 | if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name))) | |
85 | set_name(QString::fromUtf8(decoder->name)); | |
86 | ||
87 | const shared_ptr<Decoder> dec = make_shared<Decoder>(decoder, stack_.size()); | |
88 | stack_.push_back(dec); | |
89 | ||
90 | connect(dec.get(), SIGNAL(annotation_visibility_changed()), | |
91 | this, SLOT(on_annotation_visibility_changed())); | |
92 | ||
93 | // Include the newly created decode channels in the channel lists | |
94 | update_channel_list(); | |
95 | ||
96 | stack_config_changed_ = true; | |
97 | auto_assign_signals(dec); | |
98 | commit_decoder_channels(); | |
99 | update_output_signals(); | |
100 | ||
101 | decoder_stacked((void*)dec.get()); | |
102 | ||
103 | if (restart_decode) | |
104 | begin_decode(); | |
105 | } | |
106 | ||
107 | void DecodeSignal::remove_decoder(int index) | |
108 | { | |
109 | assert(index >= 0); | |
110 | assert(index < (int)stack_.size()); | |
111 | ||
112 | // Find the decoder in the stack | |
113 | auto iter = stack_.begin() + index; | |
114 | assert(iter != stack_.end()); | |
115 | ||
116 | shared_ptr<Decoder> dec = *iter; | |
117 | ||
118 | decoder_removed(dec.get()); | |
119 | ||
120 | // Delete the element | |
121 | stack_.erase(iter); | |
122 | ||
123 | // Update channels and decoded data | |
124 | stack_config_changed_ = true; | |
125 | update_channel_list(); | |
126 | begin_decode(); | |
127 | } | |
128 | ||
129 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
130 | { | |
131 | auto iter = stack_.cbegin(); | |
132 | for (int i = 0; i < index; i++, iter++) | |
133 | assert(iter != stack_.end()); | |
134 | ||
135 | shared_ptr<Decoder> dec = *iter; | |
136 | ||
137 | // Toggle decoder visibility | |
138 | bool state = false; | |
139 | if (dec) { | |
140 | state = !dec->visible(); | |
141 | dec->set_visible(state); | |
142 | } | |
143 | ||
144 | return state; | |
145 | } | |
146 | ||
147 | void DecodeSignal::reset_decode(bool shutting_down) | |
148 | { | |
149 | resume_decode(); // Make sure the decode thread isn't blocked by pausing | |
150 | ||
151 | if (stack_config_changed_ || shutting_down) | |
152 | stop_srd_session(); | |
153 | else | |
154 | terminate_srd_session(); | |
155 | ||
156 | if (decode_thread_.joinable()) { | |
157 | decode_interrupt_ = true; | |
158 | decode_input_cond_.notify_one(); | |
159 | decode_thread_.join(); | |
160 | } | |
161 | ||
162 | if (logic_mux_thread_.joinable()) { | |
163 | logic_mux_interrupt_ = true; | |
164 | logic_mux_cond_.notify_one(); | |
165 | logic_mux_thread_.join(); | |
166 | } | |
167 | ||
168 | current_segment_id_ = 0; | |
169 | segments_.clear(); | |
170 | ||
171 | for (const shared_ptr<decode::Decoder>& dec : stack_) | |
172 | if (dec->has_logic_output()) | |
173 | output_logic_[dec->get_srd_decoder()]->clear(); | |
174 | ||
175 | logic_mux_data_.reset(); | |
176 | logic_mux_data_invalid_ = true; | |
177 | ||
178 | if (!error_message_.isEmpty()) { | |
179 | error_message_.clear(); | |
180 | // TODO Emulate noquote() | |
181 | qDebug().nospace() << name() << ": Error cleared"; | |
182 | } | |
183 | ||
184 | decode_reset(); | |
185 | } | |
186 | ||
187 | void DecodeSignal::begin_decode() | |
188 | { | |
189 | if (decode_thread_.joinable()) { | |
190 | decode_interrupt_ = true; | |
191 | decode_input_cond_.notify_one(); | |
192 | decode_thread_.join(); | |
193 | } | |
194 | ||
195 | if (logic_mux_thread_.joinable()) { | |
196 | logic_mux_interrupt_ = true; | |
197 | logic_mux_cond_.notify_one(); | |
198 | logic_mux_thread_.join(); | |
199 | } | |
200 | ||
201 | reset_decode(); | |
202 | ||
203 | if (stack_.size() == 0) { | |
204 | set_error_message(tr("No decoders")); | |
205 | return; | |
206 | } | |
207 | ||
208 | assert(channels_.size() > 0); | |
209 | ||
210 | if (get_assigned_signal_count() == 0) { | |
211 | set_error_message(tr("There are no channels assigned to this decoder")); | |
212 | return; | |
213 | } | |
214 | ||
215 | // Make sure that all assigned channels still provide logic data | |
216 | // (can happen when a converted signal was assigned but the | |
217 | // conversion removed in the meanwhile) | |
218 | for (decode::DecodeChannel& ch : channels_) | |
219 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) | |
220 | ch.assigned_signal = nullptr; | |
221 | ||
222 | // Check that all decoders have the required channels | |
223 | for (const shared_ptr<Decoder>& dec : stack_) | |
224 | if (!dec->have_required_channels()) { | |
225 | set_error_message(tr("One or more required channels " | |
226 | "have not been specified")); | |
227 | return; | |
228 | } | |
229 | ||
230 | // Free the logic data and its segment(s) if it needs to be updated | |
231 | if (logic_mux_data_invalid_) | |
232 | logic_mux_data_.reset(); | |
233 | ||
234 | if (!logic_mux_data_) { | |
235 | const uint32_t ch_count = get_assigned_signal_count(); | |
236 | logic_mux_unit_size_ = (ch_count + 7) / 8; | |
237 | logic_mux_data_ = make_shared<Logic>(ch_count); | |
238 | } | |
239 | ||
240 | if (get_input_segment_count() == 0) | |
241 | set_error_message(tr("No input data")); | |
242 | ||
243 | // Make sure the logic output data is complete and up-to-date | |
244 | logic_mux_interrupt_ = false; | |
245 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
246 | ||
247 | // Decode the muxed logic data | |
248 | decode_interrupt_ = false; | |
249 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
250 | } | |
251 | ||
252 | void DecodeSignal::pause_decode() | |
253 | { | |
254 | decode_paused_ = true; | |
255 | } | |
256 | ||
257 | void DecodeSignal::resume_decode() | |
258 | { | |
259 | // Manual unlocking is done before notifying, to avoid waking up the | |
260 | // waiting thread only to block again (see notify_one for details) | |
261 | decode_pause_mutex_.unlock(); | |
262 | decode_pause_cond_.notify_one(); | |
263 | decode_paused_ = false; | |
264 | } | |
265 | ||
266 | bool DecodeSignal::is_paused() const | |
267 | { | |
268 | return decode_paused_; | |
269 | } | |
270 | ||
271 | const vector<decode::DecodeChannel> DecodeSignal::get_channels() const | |
272 | { | |
273 | return channels_; | |
274 | } | |
275 | ||
276 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) | |
277 | { | |
278 | bool new_assignment = false; | |
279 | ||
280 | // Disconnect all input signal notifications so we don't have duplicate connections | |
281 | disconnect_input_notifiers(); | |
282 | ||
283 | // Try to auto-select channels that don't have signals assigned yet | |
284 | for (decode::DecodeChannel& ch : channels_) { | |
285 | // If a decoder is given, auto-assign only its channels | |
286 | if (dec && (ch.decoder_ != dec)) | |
287 | continue; | |
288 | ||
289 | if (ch.assigned_signal) | |
290 | continue; | |
291 | ||
292 | QString ch_name = ch.name.toLower(); | |
293 | ch_name = ch_name.replace(QRegExp("[-_.]"), " "); | |
294 | ||
295 | shared_ptr<data::SignalBase> match; | |
296 | for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) { | |
297 | if (!s->enabled()) | |
298 | continue; | |
299 | ||
300 | QString s_name = s->name().toLower(); | |
301 | s_name = s_name.replace(QRegExp("[-_.]"), " "); | |
302 | ||
303 | if (s->logic_data() && | |
304 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
305 | if (!match) | |
306 | match = s; | |
307 | else { | |
308 | // Only replace an existing match if it matches more characters | |
309 | int old_unmatched = ch_name.length() - match->name().length(); | |
310 | int new_unmatched = ch_name.length() - s->name().length(); | |
311 | if (abs(new_unmatched) < abs(old_unmatched)) | |
312 | match = s; | |
313 | } | |
314 | } | |
315 | } | |
316 | ||
317 | // Prevent using a signal more than once as D1 would match e.g. D1 and D10 | |
318 | bool signal_not_already_used = true; | |
319 | for (decode::DecodeChannel& ch : channels_) | |
320 | if (ch.assigned_signal && (ch.assigned_signal == match)) | |
321 | signal_not_already_used = false; | |
322 | ||
323 | if (match && signal_not_already_used) { | |
324 | ch.assigned_signal = match; | |
325 | new_assignment = true; | |
326 | } | |
327 | } | |
328 | ||
329 | if (new_assignment) { | |
330 | // Receive notifications when new sample data is available | |
331 | connect_input_notifiers(); | |
332 | ||
333 | logic_mux_data_invalid_ = true; | |
334 | stack_config_changed_ = true; | |
335 | commit_decoder_channels(); | |
336 | channels_updated(); | |
337 | } | |
338 | } | |
339 | ||
340 | void DecodeSignal::assign_signal(const uint16_t channel_id, shared_ptr<const SignalBase> signal) | |
341 | { | |
342 | // Disconnect all input signal notifications so we don't have duplicate connections | |
343 | disconnect_input_notifiers(); | |
344 | ||
345 | for (decode::DecodeChannel& ch : channels_) | |
346 | if (ch.id == channel_id) { | |
347 | ch.assigned_signal = signal; | |
348 | logic_mux_data_invalid_ = true; | |
349 | } | |
350 | ||
351 | // Receive notifications when new sample data is available | |
352 | connect_input_notifiers(); | |
353 | ||
354 | stack_config_changed_ = true; | |
355 | commit_decoder_channels(); | |
356 | channels_updated(); | |
357 | begin_decode(); | |
358 | } | |
359 | ||
360 | int DecodeSignal::get_assigned_signal_count() const | |
361 | { | |
362 | // Count all channels that have a signal assigned to them | |
363 | return count_if(channels_.begin(), channels_.end(), | |
364 | [](decode::DecodeChannel ch) { return ch.assigned_signal.get(); }); | |
365 | } | |
366 | ||
367 | void DecodeSignal::update_output_signals() | |
368 | { | |
369 | for (const shared_ptr<decode::Decoder>& dec : stack_) { | |
370 | assert(dec); | |
371 | ||
372 | if (dec->has_logic_output()) { | |
373 | const vector<decode::DecoderLogicOutputChannel> logic_channels = | |
374 | dec->logic_output_channels(); | |
375 | ||
376 | // All signals of a decoder share the same LogicSegment, so it's | |
377 | // sufficient to check for only the first channel | |
378 | const decode::DecoderLogicOutputChannel& first_ch = logic_channels[0]; | |
379 | ||
380 | bool ch_exists = false; | |
381 | for (const shared_ptr<SignalBase>& signal : output_signals_) | |
382 | if (signal->internal_name() == first_ch.id) | |
383 | ch_exists = true; | |
384 | ||
385 | if (!ch_exists) { | |
386 | shared_ptr<Logic> logic_data = make_shared<Logic>(logic_channels.size()); | |
387 | logic_data->set_samplerate(get_samplerate()); | |
388 | output_logic_[dec->get_srd_decoder()] = logic_data; | |
389 | ||
390 | shared_ptr<LogicSegment> logic_segment = make_shared<data::LogicSegment>( | |
391 | *logic_data, 0, (logic_data->num_channels() + 7) / 8, get_samplerate()); | |
392 | logic_data->push_segment(logic_segment); | |
393 | ||
394 | uint index = 0; | |
395 | for (const decode::DecoderLogicOutputChannel& logic_ch : logic_channels) { | |
396 | shared_ptr<data::SignalBase> signal = | |
397 | make_shared<data::SignalBase>(nullptr, LogicChannel); | |
398 | signal->set_internal_name(logic_ch.id); | |
399 | signal->set_name(logic_ch.id); | |
400 | signal->set_index(index); | |
401 | signal->set_data(logic_data); | |
402 | output_signals_.push_back(signal); | |
403 | session_.add_generated_signal(signal); | |
404 | index++; | |
405 | } | |
406 | } else { | |
407 | shared_ptr<Logic> logic_data = output_logic_[dec->get_srd_decoder()]; | |
408 | logic_data->set_samplerate(get_samplerate()); | |
409 | for (shared_ptr<LogicSegment>& segment : logic_data->logic_segments()) | |
410 | segment->set_samplerate(get_samplerate()); | |
411 | } | |
412 | } | |
413 | } | |
414 | ||
415 | // TODO Delete signals that no longer have a corresponding decoder (also from session) | |
416 | // TODO Assert that all sample rates are the same as the session's | |
417 | // TODO Set colors to the same as the decoder's background color | |
418 | } | |
419 | ||
420 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) | |
421 | { | |
422 | for (decode::DecodeChannel& ch : channels_) | |
423 | if (ch.id == channel_id) | |
424 | ch.initial_pin_state = init_state; | |
425 | ||
426 | stack_config_changed_ = true; | |
427 | channels_updated(); | |
428 | begin_decode(); | |
429 | } | |
430 | ||
431 | double DecodeSignal::get_samplerate() const | |
432 | { | |
433 | double result = 0; | |
434 | ||
435 | // TODO For now, we simply return the first samplerate that we have | |
436 | if (segments_.size() > 0) | |
437 | result = segments_.front().samplerate; | |
438 | ||
439 | return result; | |
440 | } | |
441 | ||
442 | const pv::util::Timestamp DecodeSignal::start_time() const | |
443 | { | |
444 | pv::util::Timestamp result; | |
445 | ||
446 | // TODO For now, we simply return the first start time that we have | |
447 | if (segments_.size() > 0) | |
448 | result = segments_.front().start_time; | |
449 | ||
450 | return result; | |
451 | } | |
452 | ||
453 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const | |
454 | { | |
455 | // The working sample count is the highest sample number for | |
456 | // which all used signals have data available, so go through all | |
457 | // channels and use the lowest overall sample count of the segment | |
458 | ||
459 | int64_t count = std::numeric_limits<int64_t>::max(); | |
460 | bool no_signals_assigned = true; | |
461 | ||
462 | for (const decode::DecodeChannel& ch : channels_) | |
463 | if (ch.assigned_signal) { | |
464 | if (!ch.assigned_signal->logic_data()) | |
465 | return 0; | |
466 | ||
467 | no_signals_assigned = false; | |
468 | ||
469 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
470 | if (logic_data->logic_segments().empty()) | |
471 | return 0; | |
472 | ||
473 | if (segment_id >= logic_data->logic_segments().size()) | |
474 | return 0; | |
475 | ||
476 | const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr(); | |
477 | if (segment) | |
478 | count = min(count, (int64_t)segment->get_sample_count()); | |
479 | } | |
480 | ||
481 | return (no_signals_assigned ? 0 : count); | |
482 | } | |
483 | ||
484 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id, | |
485 | bool include_processing) const | |
486 | { | |
487 | lock_guard<mutex> decode_lock(output_mutex_); | |
488 | ||
489 | int64_t result = 0; | |
490 | ||
491 | if (segment_id >= segments_.size()) | |
492 | return result; | |
493 | ||
494 | if (include_processing) | |
495 | result = segments_[segment_id].samples_decoded_incl; | |
496 | else | |
497 | result = segments_[segment_id].samples_decoded_excl; | |
498 | ||
499 | return result; | |
500 | } | |
501 | ||
502 | vector<Row*> DecodeSignal::get_rows(bool visible_only) | |
503 | { | |
504 | vector<Row*> rows; | |
505 | ||
506 | for (const shared_ptr<Decoder>& dec : stack_) { | |
507 | assert(dec); | |
508 | if (visible_only && !dec->visible()) | |
509 | continue; | |
510 | ||
511 | for (Row* row : dec->get_rows()) | |
512 | rows.push_back(row); | |
513 | } | |
514 | ||
515 | return rows; | |
516 | } | |
517 | ||
518 | vector<const Row*> DecodeSignal::get_rows(bool visible_only) const | |
519 | { | |
520 | vector<const Row*> rows; | |
521 | ||
522 | for (const shared_ptr<Decoder>& dec : stack_) { | |
523 | assert(dec); | |
524 | if (visible_only && !dec->visible()) | |
525 | continue; | |
526 | ||
527 | for (const Row* row : dec->get_rows()) | |
528 | rows.push_back(row); | |
529 | } | |
530 | ||
531 | return rows; | |
532 | } | |
533 | ||
534 | uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const | |
535 | { | |
536 | if (segment_id >= segments_.size()) | |
537 | return 0; | |
538 | ||
539 | const DecodeSegment* segment = &(segments_.at(segment_id)); | |
540 | ||
541 | auto row_it = segment->annotation_rows.find(row); | |
542 | ||
543 | const RowData* rd; | |
544 | if (row_it == segment->annotation_rows.end()) | |
545 | return 0; | |
546 | else | |
547 | rd = &(row_it->second); | |
548 | ||
549 | return rd->get_annotation_count(); | |
550 | } | |
551 | ||
552 | void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest, | |
553 | const Row* row, uint32_t segment_id, uint64_t start_sample, | |
554 | uint64_t end_sample) const | |
555 | { | |
556 | lock_guard<mutex> lock(output_mutex_); | |
557 | ||
558 | if (segment_id >= segments_.size()) | |
559 | return; | |
560 | ||
561 | const DecodeSegment* segment = &(segments_.at(segment_id)); | |
562 | ||
563 | auto row_it = segment->annotation_rows.find(row); | |
564 | ||
565 | const RowData* rd; | |
566 | if (row_it == segment->annotation_rows.end()) | |
567 | return; | |
568 | else | |
569 | rd = &(row_it->second); | |
570 | ||
571 | rd->get_annotation_subset(dest, start_sample, end_sample); | |
572 | } | |
573 | ||
574 | void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest, | |
575 | uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const | |
576 | { | |
577 | for (const Row* row : get_rows()) | |
578 | get_annotation_subset(dest, row, segment_id, start_sample, end_sample); | |
579 | } | |
580 | ||
581 | uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id, | |
582 | const Decoder* dec, uint32_t bin_class_id) const | |
583 | { | |
584 | if ((segments_.size() == 0) || (segment_id >= segments_.size())) | |
585 | return 0; | |
586 | ||
587 | const DecodeSegment *segment = &(segments_[segment_id]); | |
588 | ||
589 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
590 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
591 | return bc.chunks.size(); | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | void DecodeSignal::get_binary_data_chunk(uint32_t segment_id, | |
597 | const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id, | |
598 | const vector<uint8_t> **dest, uint64_t *size) | |
599 | { | |
600 | if (segment_id >= segments_.size()) | |
601 | return; | |
602 | ||
603 | const DecodeSegment *segment = &(segments_[segment_id]); | |
604 | ||
605 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
606 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) { | |
607 | if (dest) *dest = &(bc.chunks.at(chunk_id).data); | |
608 | if (size) *size = bc.chunks.at(chunk_id).data.size(); | |
609 | return; | |
610 | } | |
611 | } | |
612 | ||
613 | void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id, | |
614 | const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample, | |
615 | uint64_t end_sample, vector<uint8_t> *dest) const | |
616 | { | |
617 | assert(dest != nullptr); | |
618 | ||
619 | if (segment_id >= segments_.size()) | |
620 | return; | |
621 | ||
622 | const DecodeSegment *segment = &(segments_[segment_id]); | |
623 | ||
624 | const DecodeBinaryClass* bin_class = nullptr; | |
625 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
626 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
627 | bin_class = &bc; | |
628 | ||
629 | // Determine overall size before copying to resize dest vector only once | |
630 | uint64_t size = 0; | |
631 | uint64_t matches = 0; | |
632 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) | |
633 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
634 | size += chunk.data.size(); | |
635 | matches++; | |
636 | } | |
637 | dest->resize(size); | |
638 | ||
639 | uint64_t offset = 0; | |
640 | uint64_t matches2 = 0; | |
641 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) | |
642 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
643 | memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size()); | |
644 | offset += chunk.data.size(); | |
645 | matches2++; | |
646 | ||
647 | // Make sure we don't overwrite memory if the array grew in the meanwhile | |
648 | if (matches2 == matches) | |
649 | break; | |
650 | } | |
651 | } | |
652 | ||
653 | void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id, | |
654 | const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end, | |
655 | vector<uint8_t> *dest) const | |
656 | { | |
657 | assert(dest != nullptr); | |
658 | ||
659 | if (segment_id >= segments_.size()) | |
660 | return; | |
661 | ||
662 | const DecodeSegment *segment = &(segments_[segment_id]); | |
663 | ||
664 | const DecodeBinaryClass* bin_class = nullptr; | |
665 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
666 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
667 | bin_class = &bc; | |
668 | ||
669 | // Determine overall size before copying to resize dest vector only once | |
670 | uint64_t size = 0; | |
671 | uint64_t offset = 0; | |
672 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
673 | if (offset >= start) | |
674 | size += chunk.data.size(); | |
675 | offset += chunk.data.size(); | |
676 | if (offset >= end) | |
677 | break; | |
678 | } | |
679 | dest->resize(size); | |
680 | ||
681 | offset = 0; | |
682 | uint64_t dest_offset = 0; | |
683 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
684 | if (offset >= start) { | |
685 | memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size()); | |
686 | dest_offset += chunk.data.size(); | |
687 | } | |
688 | offset += chunk.data.size(); | |
689 | if (offset >= end) | |
690 | break; | |
691 | } | |
692 | } | |
693 | ||
694 | const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id, | |
695 | const Decoder* dec, uint32_t bin_class_id) const | |
696 | { | |
697 | if (segment_id >= segments_.size()) | |
698 | return nullptr; | |
699 | ||
700 | const DecodeSegment *segment = &(segments_[segment_id]); | |
701 | ||
702 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
703 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
704 | return &bc; | |
705 | ||
706 | return nullptr; | |
707 | } | |
708 | ||
709 | const deque<const Annotation*>* DecodeSignal::get_all_annotations_by_segment( | |
710 | uint32_t segment_id) const | |
711 | { | |
712 | if (segment_id >= segments_.size()) | |
713 | return nullptr; | |
714 | ||
715 | const DecodeSegment *segment = &(segments_[segment_id]); | |
716 | ||
717 | return &(segment->all_annotations); | |
718 | } | |
719 | ||
720 | void DecodeSignal::save_settings(QSettings &settings) const | |
721 | { | |
722 | SignalBase::save_settings(settings); | |
723 | ||
724 | settings.setValue("decoders", (int)(stack_.size())); | |
725 | ||
726 | // Save decoder stack | |
727 | int decoder_idx = 0; | |
728 | for (const shared_ptr<Decoder>& decoder : stack_) { | |
729 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); | |
730 | ||
731 | settings.setValue("id", decoder->get_srd_decoder()->id); | |
732 | settings.setValue("visible", decoder->visible()); | |
733 | ||
734 | // Save decoder options | |
735 | const map<string, GVariant*>& options = decoder->options(); | |
736 | ||
737 | settings.setValue("options", (int)options.size()); | |
738 | ||
739 | // Note: Decoder::options() returns only the options | |
740 | // that differ from the default. See binding::Decoder::getter() | |
741 | int i = 0; | |
742 | for (auto& option : options) { | |
743 | settings.beginGroup("option" + QString::number(i)); | |
744 | settings.setValue("name", QString::fromStdString(option.first)); | |
745 | GlobalSettings::store_gvariant(settings, option.second); | |
746 | settings.endGroup(); | |
747 | i++; | |
748 | } | |
749 | ||
750 | // Save row properties | |
751 | i = 0; | |
752 | for (const Row* row : decoder->get_rows()) { | |
753 | settings.beginGroup("row" + QString::number(i)); | |
754 | settings.setValue("visible", row->visible()); | |
755 | settings.endGroup(); | |
756 | i++; | |
757 | } | |
758 | ||
759 | // Save class properties | |
760 | i = 0; | |
761 | for (const AnnotationClass* ann_class : decoder->ann_classes()) { | |
762 | settings.beginGroup("ann_class" + QString::number(i)); | |
763 | settings.setValue("visible", ann_class->visible()); | |
764 | settings.endGroup(); | |
765 | i++; | |
766 | } | |
767 | ||
768 | settings.endGroup(); | |
769 | } | |
770 | ||
771 | // Save channel mapping | |
772 | settings.setValue("channels", (int)channels_.size()); | |
773 | ||
774 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
775 | auto channel = find_if(channels_.begin(), channels_.end(), | |
776 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); | |
777 | ||
778 | if (channel == channels_.end()) { | |
779 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
780 | continue; | |
781 | } | |
782 | ||
783 | settings.beginGroup("channel" + QString::number(channel_id)); | |
784 | ||
785 | settings.setValue("name", channel->name); // Useful for debugging | |
786 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
787 | ||
788 | if (channel->assigned_signal) | |
789 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
790 | ||
791 | settings.endGroup(); | |
792 | } | |
793 | ||
794 | // TODO Save logic output signal settings | |
795 | } | |
796 | ||
797 | void DecodeSignal::restore_settings(QSettings &settings) | |
798 | { | |
799 | SignalBase::restore_settings(settings); | |
800 | ||
801 | // Restore decoder stack | |
802 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); | |
803 | ||
804 | int decoders = settings.value("decoders").toInt(); | |
805 | ||
806 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
807 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
808 | ||
809 | QString id = settings.value("id").toString(); | |
810 | ||
811 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
812 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
813 | if (!dec) | |
814 | continue; | |
815 | ||
816 | if (QString::fromUtf8(dec->id) == id) { | |
817 | shared_ptr<Decoder> decoder = make_shared<Decoder>(dec, stack_.size()); | |
818 | ||
819 | connect(decoder.get(), SIGNAL(annotation_visibility_changed()), | |
820 | this, SLOT(on_annotation_visibility_changed())); | |
821 | ||
822 | stack_.push_back(decoder); | |
823 | decoder->set_visible(settings.value("visible", true).toBool()); | |
824 | ||
825 | // Restore decoder options that differ from their default | |
826 | int options = settings.value("options").toInt(); | |
827 | ||
828 | for (int i = 0; i < options; i++) { | |
829 | settings.beginGroup("option" + QString::number(i)); | |
830 | QString name = settings.value("name").toString(); | |
831 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
832 | decoder->set_option(name.toUtf8(), value); | |
833 | settings.endGroup(); | |
834 | } | |
835 | ||
836 | // Include the newly created decode channels in the channel lists | |
837 | update_channel_list(); | |
838 | ||
839 | // Restore row properties | |
840 | int i = 0; | |
841 | for (Row* row : decoder->get_rows()) { | |
842 | settings.beginGroup("row" + QString::number(i)); | |
843 | row->set_visible(settings.value("visible", true).toBool()); | |
844 | settings.endGroup(); | |
845 | i++; | |
846 | } | |
847 | ||
848 | // Restore class properties | |
849 | i = 0; | |
850 | for (AnnotationClass* ann_class : decoder->ann_classes()) { | |
851 | settings.beginGroup("ann_class" + QString::number(i)); | |
852 | ann_class->set_visible(settings.value("visible", true).toBool()); | |
853 | settings.endGroup(); | |
854 | i++; | |
855 | } | |
856 | ||
857 | break; | |
858 | } | |
859 | } | |
860 | ||
861 | settings.endGroup(); | |
862 | channels_updated(); | |
863 | } | |
864 | ||
865 | // Restore channel mapping | |
866 | unsigned int channels = settings.value("channels").toInt(); | |
867 | ||
868 | const vector< shared_ptr<data::SignalBase> > signalbases = | |
869 | session_.signalbases(); | |
870 | ||
871 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
872 | auto channel = find_if(channels_.begin(), channels_.end(), | |
873 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); | |
874 | ||
875 | if (channel == channels_.end()) { | |
876 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
877 | continue; | |
878 | } | |
879 | ||
880 | settings.beginGroup("channel" + QString::number(channel_id)); | |
881 | ||
882 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
883 | ||
884 | for (const shared_ptr<data::SignalBase>& signal : signalbases) | |
885 | if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel)) | |
886 | channel->assigned_signal = signal; | |
887 | ||
888 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
889 | ||
890 | settings.endGroup(); | |
891 | } | |
892 | ||
893 | connect_input_notifiers(); | |
894 | ||
895 | // Update the internal structures | |
896 | stack_config_changed_ = true; | |
897 | update_channel_list(); | |
898 | commit_decoder_channels(); | |
899 | update_output_signals(); | |
900 | ||
901 | // TODO Restore logic output signal settings | |
902 | ||
903 | begin_decode(); | |
904 | } | |
905 | ||
906 | bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const | |
907 | { | |
908 | bool all_complete = true; | |
909 | ||
910 | for (const decode::DecodeChannel& ch : channels_) | |
911 | if (ch.assigned_signal) { | |
912 | if (!ch.assigned_signal->logic_data()) | |
913 | continue; | |
914 | ||
915 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
916 | if (logic_data->logic_segments().empty()) | |
917 | return false; | |
918 | ||
919 | if (segment_id >= logic_data->logic_segments().size()) | |
920 | return false; | |
921 | ||
922 | const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr(); | |
923 | if (segment && !segment->is_complete()) | |
924 | all_complete = false; | |
925 | } | |
926 | ||
927 | return all_complete; | |
928 | } | |
929 | ||
930 | uint32_t DecodeSignal::get_input_segment_count() const | |
931 | { | |
932 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
933 | bool no_signals_assigned = true; | |
934 | ||
935 | for (const decode::DecodeChannel& ch : channels_) | |
936 | if (ch.assigned_signal) { | |
937 | no_signals_assigned = false; | |
938 | ||
939 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
940 | if (!logic_data || logic_data->logic_segments().empty()) | |
941 | return 0; | |
942 | ||
943 | // Find the min value of all segment counts | |
944 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
945 | count = logic_data->logic_segments().size(); | |
946 | } | |
947 | ||
948 | return (no_signals_assigned ? 0 : count); | |
949 | } | |
950 | ||
951 | double DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
952 | { | |
953 | double samplerate = 0; | |
954 | ||
955 | for (const decode::DecodeChannel& ch : channels_) | |
956 | if (ch.assigned_signal) { | |
957 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
958 | if (!logic_data || logic_data->logic_segments().empty()) | |
959 | continue; | |
960 | ||
961 | try { | |
962 | const shared_ptr<const LogicSegment> segment = | |
963 | logic_data->logic_segments().at(segment_id)->get_shared_ptr(); | |
964 | if (segment) | |
965 | samplerate = segment->samplerate(); | |
966 | } catch (out_of_range&) { | |
967 | // Do nothing | |
968 | } | |
969 | break; | |
970 | } | |
971 | ||
972 | return samplerate; | |
973 | } | |
974 | ||
975 | Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec) | |
976 | { | |
977 | for (shared_ptr<Decoder>& d : stack_) | |
978 | if (d->get_srd_decoder() == srd_dec) | |
979 | return d.get(); | |
980 | ||
981 | return nullptr; | |
982 | } | |
983 | ||
984 | void DecodeSignal::update_channel_list() | |
985 | { | |
986 | vector<decode::DecodeChannel> prev_channels = channels_; | |
987 | channels_.clear(); | |
988 | ||
989 | uint16_t id = 0; | |
990 | ||
991 | // Copy existing entries, create new as needed | |
992 | for (shared_ptr<Decoder>& decoder : stack_) { | |
993 | const srd_decoder* srd_dec = decoder->get_srd_decoder(); | |
994 | const GSList *l; | |
995 | ||
996 | // Mandatory channels | |
997 | for (l = srd_dec->channels; l; l = l->next) { | |
998 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
999 | bool ch_added = false; | |
1000 | ||
1001 | // Copy but update ID if this channel was in the list before | |
1002 | for (decode::DecodeChannel& ch : prev_channels) | |
1003 | if (ch.pdch_ == pdch) { | |
1004 | ch.id = id++; | |
1005 | channels_.push_back(ch); | |
1006 | ch_added = true; | |
1007 | break; | |
1008 | } | |
1009 | ||
1010 | if (!ch_added) { | |
1011 | // Create new entry without a mapped signal | |
1012 | decode::DecodeChannel ch = {id++, 0, false, nullptr, | |
1013 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), | |
1014 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
1015 | channels_.push_back(ch); | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | // Optional channels | |
1020 | for (l = srd_dec->opt_channels; l; l = l->next) { | |
1021 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
1022 | bool ch_added = false; | |
1023 | ||
1024 | // Copy but update ID if this channel was in the list before | |
1025 | for (decode::DecodeChannel& ch : prev_channels) | |
1026 | if (ch.pdch_ == pdch) { | |
1027 | ch.id = id++; | |
1028 | channels_.push_back(ch); | |
1029 | ch_added = true; | |
1030 | break; | |
1031 | } | |
1032 | ||
1033 | if (!ch_added) { | |
1034 | // Create new entry without a mapped signal | |
1035 | decode::DecodeChannel ch = {id++, 0, true, nullptr, | |
1036 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), | |
1037 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
1038 | channels_.push_back(ch); | |
1039 | } | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | // Invalidate the logic output data if the channel assignment changed | |
1044 | if (prev_channels.size() != channels_.size()) { | |
1045 | // The number of channels changed, there's definitely a difference | |
1046 | logic_mux_data_invalid_ = true; | |
1047 | } else { | |
1048 | // Same number but assignment may still differ, so compare all channels | |
1049 | for (size_t i = 0; i < channels_.size(); i++) { | |
1050 | const decode::DecodeChannel& p_ch = prev_channels[i]; | |
1051 | const decode::DecodeChannel& ch = channels_[i]; | |
1052 | ||
1053 | if ((p_ch.pdch_ != ch.pdch_) || | |
1054 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
1055 | logic_mux_data_invalid_ = true; | |
1056 | break; | |
1057 | } | |
1058 | } | |
1059 | ||
1060 | } | |
1061 | ||
1062 | channels_updated(); | |
1063 | } | |
1064 | ||
1065 | void DecodeSignal::commit_decoder_channels() | |
1066 | { | |
1067 | // Submit channel list to every decoder, containing only the relevant channels | |
1068 | for (shared_ptr<Decoder> dec : stack_) { | |
1069 | vector<decode::DecodeChannel*> channel_list; | |
1070 | ||
1071 | for (decode::DecodeChannel& ch : channels_) | |
1072 | if (ch.decoder_ == dec) | |
1073 | channel_list.push_back(&ch); | |
1074 | ||
1075 | dec->set_channels(channel_list); | |
1076 | } | |
1077 | ||
1078 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
1079 | int id = 0; | |
1080 | for (decode::DecodeChannel& ch : channels_) | |
1081 | if (ch.assigned_signal) | |
1082 | ch.bit_id = id++; | |
1083 | } | |
1084 | ||
1085 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) | |
1086 | { | |
1087 | // Enforce end to be greater than start | |
1088 | if (end <= start) | |
1089 | return; | |
1090 | ||
1091 | // Fetch the channel segments and their data | |
1092 | vector<shared_ptr<const LogicSegment> > segments; | |
1093 | vector<const uint8_t*> signal_data; | |
1094 | vector<uint8_t> signal_in_bytepos; | |
1095 | vector<uint8_t> signal_in_bitpos; | |
1096 | ||
1097 | for (decode::DecodeChannel& ch : channels_) | |
1098 | if (ch.assigned_signal) { | |
1099 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
1100 | ||
1101 | shared_ptr<const LogicSegment> segment; | |
1102 | if (segment_id < logic_data->logic_segments().size()) { | |
1103 | segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr(); | |
1104 | } else { | |
1105 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ | |
1106 | << "has no logic segment" << segment_id; | |
1107 | logic_mux_interrupt_ = true; | |
1108 | return; | |
1109 | } | |
1110 | ||
1111 | if (!segment) | |
1112 | return; | |
1113 | ||
1114 | segments.push_back(segment); | |
1115 | ||
1116 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
1117 | segment->get_samples(start, end, data); | |
1118 | signal_data.push_back(data); | |
1119 | ||
1120 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
1121 | signal_in_bytepos.push_back(bitpos / 8); | |
1122 | signal_in_bitpos.push_back(bitpos % 8); | |
1123 | } | |
1124 | ||
1125 | shared_ptr<LogicSegment> output_segment; | |
1126 | try { | |
1127 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
1128 | } catch (out_of_range&) { | |
1129 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ | |
1130 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
1131 | << logic_mux_data_->logic_segments().size(); | |
1132 | logic_mux_interrupt_ = true; | |
1133 | return; | |
1134 | } | |
1135 | ||
1136 | // Perform the muxing of signal data into the output data | |
1137 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; | |
1138 | unsigned int signal_count = signal_data.size(); | |
1139 | ||
1140 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); | |
1141 | sample_cnt++) { | |
1142 | ||
1143 | int bitpos = 0; | |
1144 | uint8_t bytepos = 0; | |
1145 | ||
1146 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); | |
1147 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
1148 | output[out_sample_pos + i] = 0; | |
1149 | ||
1150 | for (unsigned int i = 0; i < signal_count; i++) { | |
1151 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
1152 | const uint8_t in_sample = 1 & | |
1153 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
1154 | ||
1155 | const uint8_t out_sample = output[out_sample_pos + bytepos]; | |
1156 | ||
1157 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
1158 | ||
1159 | bitpos++; | |
1160 | if (bitpos > 7) { | |
1161 | bitpos = 0; | |
1162 | bytepos++; | |
1163 | } | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); | |
1168 | delete[] output; | |
1169 | ||
1170 | for (const uint8_t* data : signal_data) | |
1171 | delete[] data; | |
1172 | } | |
1173 | ||
1174 | void DecodeSignal::logic_mux_proc() | |
1175 | { | |
1176 | uint32_t input_segment_count; | |
1177 | do { | |
1178 | input_segment_count = get_input_segment_count(); | |
1179 | if (input_segment_count == 0) { | |
1180 | // Wait for input data | |
1181 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1182 | logic_mux_cond_.wait(logic_mux_lock); | |
1183 | } | |
1184 | } while ((!logic_mux_interrupt_) && (input_segment_count == 0)); | |
1185 | ||
1186 | if (logic_mux_interrupt_) | |
1187 | return; | |
1188 | ||
1189 | assert(logic_mux_data_); | |
1190 | ||
1191 | uint32_t segment_id = 0; | |
1192 | ||
1193 | // Create initial logic mux segment | |
1194 | shared_ptr<LogicSegment> output_segment = | |
1195 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0); | |
1196 | logic_mux_data_->push_segment(output_segment); | |
1197 | ||
1198 | output_segment->set_samplerate(get_input_samplerate(0)); | |
1199 | ||
1200 | // Logic mux data is being updated | |
1201 | logic_mux_data_invalid_ = false; | |
1202 | ||
1203 | uint64_t samples_to_process; | |
1204 | do { | |
1205 | do { | |
1206 | const uint64_t input_sample_count = get_working_sample_count(segment_id); | |
1207 | const uint64_t output_sample_count = output_segment->get_sample_count(); | |
1208 | ||
1209 | samples_to_process = | |
1210 | (input_sample_count > output_sample_count) ? | |
1211 | (input_sample_count - output_sample_count) : 0; | |
1212 | ||
1213 | if (samples_to_process > 0) { | |
1214 | const uint64_t unit_size = output_segment->unit_size(); | |
1215 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; | |
1216 | ||
1217 | uint64_t processed_samples = 0; | |
1218 | do { | |
1219 | const uint64_t start_sample = output_sample_count + processed_samples; | |
1220 | const uint64_t sample_count = | |
1221 | min(samples_to_process - processed_samples, chunk_sample_count); | |
1222 | ||
1223 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); | |
1224 | processed_samples += sample_count; | |
1225 | ||
1226 | // ...and process the newly muxed logic data | |
1227 | decode_input_cond_.notify_one(); | |
1228 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); | |
1229 | } | |
1230 | } while (!logic_mux_interrupt_ && (samples_to_process > 0)); | |
1231 | ||
1232 | if (!logic_mux_interrupt_) { | |
1233 | // samples_to_process is now 0, we've exhausted the currently available input data | |
1234 | ||
1235 | // If the input segments are complete, we've completed this segment | |
1236 | if (all_input_segments_complete(segment_id)) { | |
1237 | if (!output_segment->is_complete()) | |
1238 | output_segment->set_complete(); | |
1239 | ||
1240 | if (segment_id < get_input_segment_count() - 1) { | |
1241 | ||
1242 | // Process next segment | |
1243 | segment_id++; | |
1244 | ||
1245 | output_segment = | |
1246 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, | |
1247 | logic_mux_unit_size_, 0); | |
1248 | logic_mux_data_->push_segment(output_segment); | |
1249 | ||
1250 | output_segment->set_samplerate(get_input_samplerate(segment_id)); | |
1251 | } else { | |
1252 | // Wait for more input data if we're processing the currently last segment | |
1253 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1254 | logic_mux_cond_.wait(logic_mux_lock); | |
1255 | } | |
1256 | } else { | |
1257 | // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data | |
1258 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1259 | logic_mux_cond_.wait(logic_mux_lock); | |
1260 | } | |
1261 | } | |
1262 | } while (!logic_mux_interrupt_); | |
1263 | } | |
1264 | ||
1265 | void DecodeSignal::decode_data( | |
1266 | const int64_t abs_start_samplenum, const int64_t sample_count, | |
1267 | const shared_ptr<const LogicSegment> input_segment) | |
1268 | { | |
1269 | const int64_t unit_size = input_segment->unit_size(); | |
1270 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; | |
1271 | ||
1272 | for (int64_t i = abs_start_samplenum; | |
1273 | !decode_interrupt_ && (i < (abs_start_samplenum + sample_count)); | |
1274 | i += chunk_sample_count) { | |
1275 | ||
1276 | const int64_t chunk_end = min(i + chunk_sample_count, | |
1277 | abs_start_samplenum + sample_count); | |
1278 | ||
1279 | { | |
1280 | lock_guard<mutex> lock(output_mutex_); | |
1281 | // Update the sample count showing the samples including currently processed ones | |
1282 | segments_.at(current_segment_id_).samples_decoded_incl = chunk_end; | |
1283 | } | |
1284 | ||
1285 | int64_t data_size = (chunk_end - i) * unit_size; | |
1286 | uint8_t* chunk = new uint8_t[data_size]; | |
1287 | input_segment->get_samples(i, chunk_end, chunk); | |
1288 | ||
1289 | if (srd_session_send(srd_session_, i, chunk_end, chunk, | |
1290 | data_size, unit_size) != SRD_OK) { | |
1291 | set_error_message(tr("Decoder reported an error")); | |
1292 | decode_interrupt_ = true; | |
1293 | } | |
1294 | ||
1295 | delete[] chunk; | |
1296 | ||
1297 | { | |
1298 | lock_guard<mutex> lock(output_mutex_); | |
1299 | // Now that all samples are processed, the exclusive sample count catches up | |
1300 | segments_.at(current_segment_id_).samples_decoded_excl = chunk_end; | |
1301 | } | |
1302 | ||
1303 | // Notify the frontend that we processed some data and | |
1304 | // possibly have new annotations as well | |
1305 | new_annotations(); | |
1306 | ||
1307 | if (decode_paused_) { | |
1308 | unique_lock<mutex> pause_wait_lock(decode_pause_mutex_); | |
1309 | decode_pause_cond_.wait(pause_wait_lock); | |
1310 | } | |
1311 | } | |
1312 | } | |
1313 | ||
1314 | void DecodeSignal::decode_proc() | |
1315 | { | |
1316 | current_segment_id_ = 0; | |
1317 | ||
1318 | // If there is no input data available yet, wait until it is or we're interrupted | |
1319 | do { | |
1320 | if (logic_mux_data_->logic_segments().size() == 0) { | |
1321 | // Wait for input data | |
1322 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1323 | decode_input_cond_.wait(input_wait_lock); | |
1324 | } | |
1325 | } while ((!decode_interrupt_) && (logic_mux_data_->logic_segments().size() == 0)); | |
1326 | ||
1327 | if (decode_interrupt_) | |
1328 | return; | |
1329 | ||
1330 | shared_ptr<const LogicSegment> input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr(); | |
1331 | if (!input_segment) | |
1332 | return; | |
1333 | ||
1334 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
1335 | create_decode_segment(); | |
1336 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); | |
1337 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); | |
1338 | ||
1339 | start_srd_session(); | |
1340 | ||
1341 | uint64_t samples_to_process = 0; | |
1342 | uint64_t abs_start_samplenum = 0; | |
1343 | do { | |
1344 | // Keep processing new samples until we exhaust the input data | |
1345 | do { | |
1346 | samples_to_process = input_segment->get_sample_count() - abs_start_samplenum; | |
1347 | ||
1348 | if (samples_to_process > 0) { | |
1349 | decode_data(abs_start_samplenum, samples_to_process, input_segment); | |
1350 | abs_start_samplenum += samples_to_process; | |
1351 | } | |
1352 | } while (!decode_interrupt_ && (samples_to_process > 0)); | |
1353 | ||
1354 | if (!decode_interrupt_) { | |
1355 | // samples_to_process is now 0, we've exhausted the currently available input data | |
1356 | ||
1357 | // If the input segment is complete, we've exhausted this segment | |
1358 | if (input_segment->is_complete()) { | |
1359 | if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) { | |
1360 | // Process next segment | |
1361 | current_segment_id_++; | |
1362 | ||
1363 | try { | |
1364 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
1365 | } catch (out_of_range&) { | |
1366 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ | |
1367 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
1368 | << logic_mux_data_->logic_segments().size(); | |
1369 | decode_interrupt_ = true; | |
1370 | return; | |
1371 | } | |
1372 | abs_start_samplenum = 0; | |
1373 | ||
1374 | // Create the next segment and set its metadata | |
1375 | create_decode_segment(); | |
1376 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); | |
1377 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); | |
1378 | ||
1379 | // Reset decoder state but keep the decoder stack intact | |
1380 | terminate_srd_session(); | |
1381 | } else { | |
1382 | // All segments have been processed | |
1383 | if (!decode_interrupt_) | |
1384 | decode_finished(); | |
1385 | ||
1386 | // Wait for more input data | |
1387 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1388 | decode_input_cond_.wait(input_wait_lock); | |
1389 | } | |
1390 | } else { | |
1391 | // Input segment isn't complete yet but samples_to_process is 0, wait for more input data | |
1392 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1393 | decode_input_cond_.wait(input_wait_lock); | |
1394 | } | |
1395 | ||
1396 | } | |
1397 | } while (!decode_interrupt_); | |
1398 | } | |
1399 | ||
1400 | void DecodeSignal::start_srd_session() | |
1401 | { | |
1402 | // If there were stack changes, the session has been destroyed by now, so if | |
1403 | // it hasn't been destroyed, we can just reset and re-use it | |
1404 | if (srd_session_) { | |
1405 | // When a decoder stack was created before, re-use it | |
1406 | // for the next stream of input data, after terminating | |
1407 | // potentially still executing operations, and resetting | |
1408 | // internal state. Skip the rather expensive (teardown | |
1409 | // and) construction of another decoder stack. | |
1410 | ||
1411 | // TODO Reduce redundancy, use a common code path for | |
1412 | // the meta/start sequence? | |
1413 | terminate_srd_session(); | |
1414 | ||
1415 | // Metadata is cleared also, so re-set it | |
1416 | uint64_t samplerate = 0; | |
1417 | if (segments_.size() > 0) | |
1418 | samplerate = segments_.at(current_segment_id_).samplerate; | |
1419 | if (samplerate) | |
1420 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1421 | g_variant_new_uint64(samplerate)); | |
1422 | for (const shared_ptr<Decoder>& dec : stack_) | |
1423 | dec->apply_all_options(); | |
1424 | srd_session_start(srd_session_); | |
1425 | ||
1426 | return; | |
1427 | } | |
1428 | ||
1429 | // Update the samplerates for the output logic channels | |
1430 | update_output_signals(); | |
1431 | ||
1432 | // Create the session | |
1433 | srd_session_new(&srd_session_); | |
1434 | assert(srd_session_); | |
1435 | ||
1436 | // Create the decoders | |
1437 | srd_decoder_inst *prev_di = nullptr; | |
1438 | for (const shared_ptr<Decoder>& dec : stack_) { | |
1439 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); | |
1440 | ||
1441 | if (!di) { | |
1442 | set_error_message(tr("Failed to create decoder instance")); | |
1443 | srd_session_destroy(srd_session_); | |
1444 | srd_session_ = nullptr; | |
1445 | return; | |
1446 | } | |
1447 | ||
1448 | if (prev_di) | |
1449 | srd_inst_stack(srd_session_, prev_di, di); | |
1450 | ||
1451 | prev_di = di; | |
1452 | } | |
1453 | ||
1454 | // Start the session | |
1455 | if (segments_.size() > 0) | |
1456 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1457 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
1458 | ||
1459 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1460 | DecodeSignal::annotation_callback, this); | |
1461 | ||
1462 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY, | |
1463 | DecodeSignal::binary_callback, this); | |
1464 | ||
1465 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_LOGIC, | |
1466 | DecodeSignal::logic_output_callback, this); | |
1467 | ||
1468 | srd_session_start(srd_session_); | |
1469 | ||
1470 | // We just recreated the srd session, so all stack changes are applied now | |
1471 | stack_config_changed_ = false; | |
1472 | } | |
1473 | ||
1474 | void DecodeSignal::terminate_srd_session() | |
1475 | { | |
1476 | // Call the "terminate and reset" routine for the decoder stack | |
1477 | // (if available). This does not harm those stacks which already | |
1478 | // have completed their operation, and reduces response time for | |
1479 | // those stacks which still are processing data while the | |
1480 | // application no longer wants them to. | |
1481 | if (srd_session_) { | |
1482 | srd_session_terminate_reset(srd_session_); | |
1483 | ||
1484 | // Metadata is cleared also, so re-set it | |
1485 | uint64_t samplerate = 0; | |
1486 | if (segments_.size() > 0) | |
1487 | samplerate = segments_.at(current_segment_id_).samplerate; | |
1488 | if (samplerate) | |
1489 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1490 | g_variant_new_uint64(samplerate)); | |
1491 | for (const shared_ptr<Decoder>& dec : stack_) | |
1492 | dec->apply_all_options(); | |
1493 | } | |
1494 | } | |
1495 | ||
1496 | void DecodeSignal::stop_srd_session() | |
1497 | { | |
1498 | if (srd_session_) { | |
1499 | // Destroy the session | |
1500 | srd_session_destroy(srd_session_); | |
1501 | srd_session_ = nullptr; | |
1502 | ||
1503 | // Mark the decoder instances as non-existant since they were deleted | |
1504 | for (const shared_ptr<Decoder>& dec : stack_) | |
1505 | dec->invalidate_decoder_inst(); | |
1506 | } | |
1507 | } | |
1508 | ||
1509 | void DecodeSignal::connect_input_notifiers() | |
1510 | { | |
1511 | // Connect the currently used signals to our slot | |
1512 | for (decode::DecodeChannel& ch : channels_) { | |
1513 | if (!ch.assigned_signal) | |
1514 | continue; | |
1515 | const data::SignalBase *signal = ch.assigned_signal.get(); | |
1516 | ||
1517 | connect(signal, SIGNAL(samples_cleared()), | |
1518 | this, SLOT(on_data_cleared()), Qt::UniqueConnection); | |
1519 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), | |
1520 | this, SLOT(on_data_received()), Qt::UniqueConnection); | |
1521 | ||
1522 | if (signal->logic_data()) | |
1523 | connect(signal->logic_data().get(), SIGNAL(segment_completed()), | |
1524 | this, SLOT(on_input_segment_completed()), Qt::UniqueConnection); | |
1525 | } | |
1526 | } | |
1527 | ||
1528 | void DecodeSignal::disconnect_input_notifiers() | |
1529 | { | |
1530 | // Disconnect the notification slot from the previous set of signals | |
1531 | for (decode::DecodeChannel& ch : channels_) { | |
1532 | if (!ch.assigned_signal) | |
1533 | continue; | |
1534 | const data::SignalBase *signal = ch.assigned_signal.get(); | |
1535 | disconnect(signal, nullptr, this, SLOT(on_data_cleared())); | |
1536 | disconnect(signal, nullptr, this, SLOT(on_data_received())); | |
1537 | ||
1538 | if (signal->logic_data()) | |
1539 | disconnect(signal->logic_data().get(), nullptr, this, SLOT(on_input_segment_completed())); | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | void DecodeSignal::create_decode_segment() | |
1544 | { | |
1545 | // Create annotation segment | |
1546 | segments_.emplace_back(); | |
1547 | ||
1548 | // Add annotation classes | |
1549 | for (const shared_ptr<Decoder>& dec : stack_) | |
1550 | for (Row* row : dec->get_rows()) | |
1551 | segments_.back().annotation_rows.emplace(row, RowData(row)); | |
1552 | ||
1553 | // Prepare our binary output classes | |
1554 | for (const shared_ptr<Decoder>& dec : stack_) { | |
1555 | uint32_t n = dec->get_binary_class_count(); | |
1556 | ||
1557 | for (uint32_t i = 0; i < n; i++) | |
1558 | segments_.back().binary_classes.push_back( | |
1559 | {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()}); | |
1560 | } | |
1561 | } | |
1562 | ||
1563 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) | |
1564 | { | |
1565 | assert(pdata); | |
1566 | assert(decode_signal); | |
1567 | ||
1568 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1569 | assert(ds); | |
1570 | ||
1571 | if (ds->decode_interrupt_) | |
1572 | return; | |
1573 | ||
1574 | if (ds->segments_.empty()) | |
1575 | return; | |
1576 | ||
1577 | lock_guard<mutex> lock(ds->output_mutex_); | |
1578 | ||
1579 | // Get the decoder and the annotation data | |
1580 | assert(pdata->pdo); | |
1581 | assert(pdata->pdo->di); | |
1582 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; | |
1583 | assert(srd_dec); | |
1584 | ||
1585 | const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data; | |
1586 | assert(pda); | |
1587 | ||
1588 | // Find the row | |
1589 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); | |
1590 | assert(dec); | |
1591 | ||
1592 | AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class); | |
1593 | if (!ann_class) { | |
1594 | qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" << | |
1595 | "with class ID" << pda->ann_class << "but there are only" << | |
1596 | dec->ann_classes().size() << "known classes"; | |
1597 | return; | |
1598 | } | |
1599 | ||
1600 | const Row* row = ann_class->row; | |
1601 | ||
1602 | if (!row) | |
1603 | row = dec->get_row_by_id(0); | |
1604 | ||
1605 | RowData& row_data = ds->segments_[ds->current_segment_id_].annotation_rows.at(row); | |
1606 | ||
1607 | // Add the annotation to the row | |
1608 | const Annotation* ann = row_data.emplace_annotation(pdata); | |
1609 | ||
1610 | // We insert the annotation into the global annotation list in a way so that | |
1611 | // the annotation list is sorted by start sample and length. Otherwise, we'd | |
1612 | // have to sort the model, which is expensive | |
1613 | deque<const Annotation*>& all_annotations = | |
1614 | ds->segments_[ds->current_segment_id_].all_annotations; | |
1615 | ||
1616 | if (all_annotations.empty()) { | |
1617 | all_annotations.emplace_back(ann); | |
1618 | } else { | |
1619 | const uint64_t new_ann_len = (pdata->end_sample - pdata->start_sample); | |
1620 | bool ann_has_earlier_start = (pdata->start_sample < all_annotations.back()->start_sample()); | |
1621 | bool ann_is_longer = (new_ann_len > | |
1622 | (all_annotations.back()->end_sample() - all_annotations.back()->start_sample())); | |
1623 | ||
1624 | if (ann_has_earlier_start && ann_is_longer) { | |
1625 | bool ann_has_same_start; | |
1626 | auto it = all_annotations.end(); | |
1627 | ||
1628 | do { | |
1629 | it--; | |
1630 | ann_has_earlier_start = (pdata->start_sample < (*it)->start_sample()); | |
1631 | ann_has_same_start = (pdata->start_sample == (*it)->start_sample()); | |
1632 | ann_is_longer = (new_ann_len > (*it)->length()); | |
1633 | } while ((ann_has_earlier_start || (ann_has_same_start && ann_is_longer)) && (it != all_annotations.begin())); | |
1634 | ||
1635 | // Allow inserting at the front | |
1636 | if (it != all_annotations.begin()) | |
1637 | it++; | |
1638 | ||
1639 | all_annotations.emplace(it, ann); | |
1640 | } else | |
1641 | all_annotations.emplace_back(ann); | |
1642 | } | |
1643 | ||
1644 | // When emplace_annotation() inserts instead of appends an annotation, | |
1645 | // the pointers in all_annotations that follow the inserted annotation and | |
1646 | // point to annotations for this row are off by one and must be updated | |
1647 | if (&(row_data.annotations().back()) != ann) { | |
1648 | // Search backwards until we find the annotation we just added | |
1649 | auto row_it = row_data.annotations().end(); | |
1650 | auto all_it = all_annotations.end(); | |
1651 | do { | |
1652 | all_it--; | |
1653 | if ((*all_it)->row_data() == &row_data) | |
1654 | row_it--; | |
1655 | } while (&(*row_it) != ann); | |
1656 | ||
1657 | // Update the annotation addresses for this row's annotations until the end | |
1658 | do { | |
1659 | if ((*all_it)->row_data() == &row_data) { | |
1660 | *all_it = &(*row_it); | |
1661 | row_it++; | |
1662 | } | |
1663 | all_it++; | |
1664 | } while (all_it != all_annotations.end()); | |
1665 | } | |
1666 | } | |
1667 | ||
1668 | void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal) | |
1669 | { | |
1670 | assert(pdata); | |
1671 | assert(decode_signal); | |
1672 | ||
1673 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1674 | assert(ds); | |
1675 | ||
1676 | if (ds->decode_interrupt_) | |
1677 | return; | |
1678 | ||
1679 | // Get the decoder and the binary data | |
1680 | assert(pdata->pdo); | |
1681 | assert(pdata->pdo->di); | |
1682 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; | |
1683 | assert(srd_dec); | |
1684 | ||
1685 | const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data; | |
1686 | assert(pdb); | |
1687 | ||
1688 | // Find the matching DecodeBinaryClass | |
1689 | DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_)); | |
1690 | ||
1691 | DecodeBinaryClass* bin_class = nullptr; | |
1692 | for (DecodeBinaryClass& bc : segment->binary_classes) | |
1693 | if ((bc.decoder->get_srd_decoder() == srd_dec) && | |
1694 | (bc.info->bin_class_id == (uint32_t)pdb->bin_class)) | |
1695 | bin_class = &bc; | |
1696 | ||
1697 | if (!bin_class) { | |
1698 | qWarning() << "Could not find valid DecodeBinaryClass in segment" << | |
1699 | ds->current_segment_id_ << "for binary class ID" << pdb->bin_class << | |
1700 | ", segment only knows" << segment->binary_classes.size() << "classes"; | |
1701 | return; | |
1702 | } | |
1703 | ||
1704 | // Add the data chunk | |
1705 | bin_class->chunks.emplace_back(); | |
1706 | DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back()); | |
1707 | ||
1708 | chunk->sample = pdata->start_sample; | |
1709 | chunk->data.resize(pdb->size); | |
1710 | memcpy(chunk->data.data(), pdb->data, pdb->size); | |
1711 | ||
1712 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); | |
1713 | ||
1714 | ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class); | |
1715 | } | |
1716 | ||
1717 | void DecodeSignal::logic_output_callback(srd_proto_data *pdata, void *decode_signal) | |
1718 | { | |
1719 | assert(pdata); | |
1720 | assert(decode_signal); | |
1721 | ||
1722 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1723 | assert(ds); | |
1724 | ||
1725 | if (ds->decode_interrupt_) | |
1726 | return; | |
1727 | ||
1728 | lock_guard<mutex> lock(ds->output_mutex_); | |
1729 | ||
1730 | assert(pdata->pdo); | |
1731 | assert(pdata->pdo->di); | |
1732 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
1733 | assert(decc); | |
1734 | ||
1735 | const srd_proto_data_logic *const pdl = (const srd_proto_data_logic*)pdata->data; | |
1736 | assert(pdl); | |
1737 | ||
1738 | shared_ptr<Logic> output_logic = ds->output_logic_.at(decc); | |
1739 | ||
1740 | vector< shared_ptr<Segment> > segments = output_logic->segments(); | |
1741 | ||
1742 | shared_ptr<LogicSegment> last_segment; | |
1743 | ||
1744 | if (!segments.empty()) | |
1745 | last_segment = dynamic_pointer_cast<LogicSegment>(segments.back()); | |
1746 | else { | |
1747 | // Happens when the data was cleared - all segments are gone then | |
1748 | // segment_id is always 0 as it's the first segment | |
1749 | last_segment = make_shared<data::LogicSegment>( | |
1750 | *output_logic, 0, (output_logic->num_channels() + 7) / 8, output_logic->get_samplerate()); | |
1751 | output_logic->push_segment(last_segment); | |
1752 | } | |
1753 | ||
1754 | vector<uint8_t> data; | |
1755 | for (unsigned int i = pdata->start_sample; i < pdata->end_sample; i++) | |
1756 | data.emplace_back(*((uint8_t*)pdl->data)); | |
1757 | ||
1758 | last_segment->append_subsignal_payload(pdl->logic_class, data.data(), data.size()); | |
1759 | ||
1760 | qInfo() << "Received logic output state change for class" << pdl->logic_class << "from decoder" \ | |
1761 | << QString::fromUtf8(decc->name) << "from" << pdata->start_sample << "to" << pdata->end_sample; | |
1762 | } | |
1763 | ||
1764 | void DecodeSignal::on_capture_state_changed(int state) | |
1765 | { | |
1766 | // If a new acquisition was started, we need to start decoding from scratch | |
1767 | if (state == Session::Running) { | |
1768 | logic_mux_data_invalid_ = true; | |
1769 | begin_decode(); | |
1770 | } | |
1771 | } | |
1772 | ||
1773 | void DecodeSignal::on_data_cleared() | |
1774 | { | |
1775 | reset_decode(); | |
1776 | } | |
1777 | ||
1778 | void DecodeSignal::on_data_received() | |
1779 | { | |
1780 | // If we detected a lack of input data when trying to start decoding, | |
1781 | // we have set an error message. Bail out if we still don't have data | |
1782 | // to work with | |
1783 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1784 | return; | |
1785 | ||
1786 | if (!error_message_.isEmpty()) { | |
1787 | error_message_.clear(); | |
1788 | // TODO Emulate noquote() | |
1789 | qDebug().nospace() << name() << ": Input data available, error cleared"; | |
1790 | } | |
1791 | ||
1792 | if (!logic_mux_thread_.joinable()) | |
1793 | begin_decode(); | |
1794 | else | |
1795 | logic_mux_cond_.notify_one(); | |
1796 | } | |
1797 | ||
1798 | void DecodeSignal::on_input_segment_completed() | |
1799 | { | |
1800 | if (!logic_mux_thread_.joinable()) | |
1801 | logic_mux_cond_.notify_one(); | |
1802 | } | |
1803 | ||
1804 | void DecodeSignal::on_annotation_visibility_changed() | |
1805 | { | |
1806 | annotation_visibility_changed(); | |
1807 | } | |
1808 | ||
1809 | } // namespace data | |
1810 | } // namespace pv |