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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 "config.h" | |
21 | ||
22 | #include <cstring> | |
23 | #include <forward_list> | |
24 | #include <limits> | |
25 | ||
26 | #include <QDebug> | |
27 | #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) | |
28 | #include <QRegularExpression> | |
29 | #endif | |
30 | ||
31 | #include "logic.hpp" | |
32 | #include "logicsegment.hpp" | |
33 | #include "decodesignal.hpp" | |
34 | #include "signaldata.hpp" | |
35 | ||
36 | #include <pv/data/decode/decoder.hpp> | |
37 | #include <pv/data/decode/row.hpp> | |
38 | #include <pv/globalsettings.hpp> | |
39 | #include <pv/session.hpp> | |
40 | ||
41 | using std::dynamic_pointer_cast; | |
42 | using std::lock_guard; | |
43 | using std::make_shared; | |
44 | using std::min; | |
45 | using std::out_of_range; | |
46 | using std::shared_ptr; | |
47 | using std::unique_lock; | |
48 | using pv::data::decode::AnnotationClass; | |
49 | using pv::data::decode::DecodeChannel; | |
50 | ||
51 | namespace pv { | |
52 | namespace data { | |
53 | ||
54 | const double DecodeSignal::DecodeMargin = 1.0; | |
55 | const double DecodeSignal::DecodeThreshold = 0.2; | |
56 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; | |
57 | ||
58 | ||
59 | DecodeSignal::DecodeSignal(pv::Session &session) : | |
60 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
61 | session_(session), | |
62 | srd_session_(nullptr), | |
63 | logic_mux_data_invalid_(false), | |
64 | stack_config_changed_(true), | |
65 | current_segment_id_(0) | |
66 | { | |
67 | connect(&session_, SIGNAL(capture_state_changed(int)), | |
68 | this, SLOT(on_capture_state_changed(int))); | |
69 | } | |
70 | ||
71 | DecodeSignal::~DecodeSignal() | |
72 | { | |
73 | reset_decode(true); | |
74 | } | |
75 | ||
76 | void DecodeSignal::set_name(QString name) | |
77 | { | |
78 | SignalBase::set_name(name); | |
79 | ||
80 | update_output_signals(); | |
81 | } | |
82 | ||
83 | void DecodeSignal::set_color(QColor color) | |
84 | { | |
85 | SignalBase::set_color(color); | |
86 | ||
87 | update_output_signals(); | |
88 | } | |
89 | ||
90 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const | |
91 | { | |
92 | return stack_; | |
93 | } | |
94 | ||
95 | void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode) | |
96 | { | |
97 | assert(decoder); | |
98 | ||
99 | // Set name if this decoder is the first in the list or the name is unchanged | |
100 | const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder(); | |
101 | const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString(); | |
102 | ||
103 | if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name))) | |
104 | set_name(QString::fromUtf8(decoder->name)); | |
105 | ||
106 | const shared_ptr<Decoder> dec = make_shared<Decoder>(decoder, stack_.size()); | |
107 | stack_.push_back(dec); | |
108 | ||
109 | connect(dec.get(), SIGNAL(annotation_visibility_changed()), | |
110 | this, SLOT(on_annotation_visibility_changed())); | |
111 | ||
112 | // Include the newly created decode channels in the channel lists | |
113 | update_channel_list(); | |
114 | ||
115 | stack_config_changed_ = true; | |
116 | auto_assign_signals(dec); | |
117 | commit_decoder_channels(); | |
118 | update_output_signals(); | |
119 | ||
120 | decoder_stacked((void*)dec.get()); | |
121 | ||
122 | if (restart_decode) | |
123 | begin_decode(); | |
124 | } | |
125 | ||
126 | void DecodeSignal::remove_decoder(int index) | |
127 | { | |
128 | assert(index >= 0); | |
129 | assert(index < (int)stack_.size()); | |
130 | ||
131 | // Find the decoder in the stack | |
132 | auto iter = stack_.begin() + index; | |
133 | assert(iter != stack_.end()); | |
134 | ||
135 | shared_ptr<Decoder> dec = *iter; | |
136 | ||
137 | decoder_removed(dec.get()); | |
138 | ||
139 | // Delete the element | |
140 | stack_.erase(iter); | |
141 | ||
142 | // Update channels and decoded data | |
143 | stack_config_changed_ = true; | |
144 | update_channel_list(); | |
145 | begin_decode(); | |
146 | } | |
147 | ||
148 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
149 | { | |
150 | auto iter = stack_.cbegin(); | |
151 | for (int i = 0; i < index; i++, iter++) | |
152 | assert(iter != stack_.end()); | |
153 | ||
154 | shared_ptr<Decoder> dec = *iter; | |
155 | ||
156 | // Toggle decoder visibility | |
157 | bool state = false; | |
158 | if (dec) { | |
159 | state = !dec->visible(); | |
160 | dec->set_visible(state); | |
161 | } | |
162 | ||
163 | return state; | |
164 | } | |
165 | ||
166 | void DecodeSignal::reset_decode(bool shutting_down) | |
167 | { | |
168 | resume_decode(); // Make sure the decode thread isn't blocked by pausing | |
169 | ||
170 | if (stack_config_changed_ || shutting_down) | |
171 | stop_srd_session(); | |
172 | else | |
173 | terminate_srd_session(); | |
174 | ||
175 | if (decode_thread_.joinable()) { | |
176 | decode_interrupt_ = true; | |
177 | decode_input_cond_.notify_one(); | |
178 | decode_thread_.join(); | |
179 | } | |
180 | ||
181 | if (logic_mux_thread_.joinable()) { | |
182 | logic_mux_interrupt_ = true; | |
183 | logic_mux_cond_.notify_one(); | |
184 | logic_mux_thread_.join(); | |
185 | } | |
186 | ||
187 | current_segment_id_ = 0; | |
188 | segments_.clear(); | |
189 | ||
190 | for (const shared_ptr<decode::Decoder>& dec : stack_) | |
191 | if (dec->has_logic_output()) | |
192 | output_logic_[dec->get_srd_decoder()]->clear(); | |
193 | ||
194 | logic_mux_data_.reset(); | |
195 | logic_mux_data_invalid_ = true; | |
196 | ||
197 | if (!error_message_.isEmpty()) { | |
198 | error_message_.clear(); | |
199 | // TODO Emulate noquote() | |
200 | qDebug().nospace() << name() << ": Error cleared"; | |
201 | } | |
202 | ||
203 | decode_reset(); | |
204 | } | |
205 | ||
206 | void DecodeSignal::begin_decode() | |
207 | { | |
208 | if (decode_thread_.joinable()) { | |
209 | decode_interrupt_ = true; | |
210 | decode_input_cond_.notify_one(); | |
211 | decode_thread_.join(); | |
212 | } | |
213 | ||
214 | if (logic_mux_thread_.joinable()) { | |
215 | logic_mux_interrupt_ = true; | |
216 | logic_mux_cond_.notify_one(); | |
217 | logic_mux_thread_.join(); | |
218 | } | |
219 | ||
220 | reset_decode(); | |
221 | ||
222 | if (stack_.size() == 0) { | |
223 | set_error_message(tr("No decoders")); | |
224 | return; | |
225 | } | |
226 | ||
227 | assert(channels_.size() > 0); | |
228 | ||
229 | if (get_assigned_signal_count() == 0) { | |
230 | set_error_message(tr("There are no channels assigned to this decoder")); | |
231 | return; | |
232 | } | |
233 | ||
234 | // Make sure that all assigned channels still provide logic data | |
235 | // (can happen when a converted signal was assigned but the | |
236 | // conversion removed in the meanwhile) | |
237 | for (decode::DecodeChannel& ch : channels_) | |
238 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) | |
239 | ch.assigned_signal = nullptr; | |
240 | ||
241 | // Check that all decoders have the required channels | |
242 | for (const shared_ptr<Decoder>& dec : stack_) | |
243 | if (!dec->have_required_channels()) { | |
244 | set_error_message(tr("One or more required channels " | |
245 | "have not been specified")); | |
246 | return; | |
247 | } | |
248 | ||
249 | // Free the logic data and its segment(s) if it needs to be updated | |
250 | if (logic_mux_data_invalid_) | |
251 | logic_mux_data_.reset(); | |
252 | ||
253 | if (!logic_mux_data_) { | |
254 | const uint32_t ch_count = get_assigned_signal_count(); | |
255 | logic_mux_unit_size_ = (ch_count + 7) / 8; | |
256 | logic_mux_data_ = make_shared<Logic>(ch_count); | |
257 | } | |
258 | ||
259 | if (get_input_segment_count() == 0) | |
260 | set_error_message(tr("No input data")); | |
261 | ||
262 | // Make sure the logic output data is complete and up-to-date | |
263 | logic_mux_interrupt_ = false; | |
264 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
265 | ||
266 | // Decode the muxed logic data | |
267 | decode_interrupt_ = false; | |
268 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
269 | } | |
270 | ||
271 | void DecodeSignal::pause_decode() | |
272 | { | |
273 | decode_paused_ = true; | |
274 | } | |
275 | ||
276 | void DecodeSignal::resume_decode() | |
277 | { | |
278 | // Manual unlocking is done before notifying, to avoid waking up the | |
279 | // waiting thread only to block again (see notify_one for details) | |
280 | decode_pause_mutex_.unlock(); | |
281 | decode_pause_cond_.notify_one(); | |
282 | decode_paused_ = false; | |
283 | } | |
284 | ||
285 | bool DecodeSignal::is_paused() const | |
286 | { | |
287 | return decode_paused_; | |
288 | } | |
289 | ||
290 | const vector<decode::DecodeChannel> DecodeSignal::get_channels() const | |
291 | { | |
292 | return channels_; | |
293 | } | |
294 | ||
295 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) | |
296 | { | |
297 | bool new_assignment = false; | |
298 | ||
299 | // Disconnect all input signal notifications so we don't have duplicate connections | |
300 | disconnect_input_notifiers(); | |
301 | ||
302 | // Try to auto-select channels that don't have signals assigned yet | |
303 | for (decode::DecodeChannel& ch : channels_) { | |
304 | // If a decoder is given, auto-assign only its channels | |
305 | if (dec && (ch.decoder_ != dec)) | |
306 | continue; | |
307 | ||
308 | if (ch.assigned_signal) | |
309 | continue; | |
310 | ||
311 | QString ch_name = ch.name.toLower(); | |
312 | #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) | |
313 | ch_name = ch_name.replace(QRegularExpression("[-_.]"), " "); | |
314 | #else | |
315 | ch_name = ch_name.replace(QRegExp("[-_.]"), " "); | |
316 | #endif | |
317 | ||
318 | shared_ptr<data::SignalBase> match; | |
319 | for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) { | |
320 | if (!s->enabled()) | |
321 | continue; | |
322 | ||
323 | QString s_name = s->name().toLower(); | |
324 | #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) | |
325 | s_name = s_name.replace(QRegularExpression("[-_.]"), " "); | |
326 | #else | |
327 | s_name = s_name.replace(QRegExp("[-_.]"), " "); | |
328 | #endif | |
329 | ||
330 | if (s->logic_data() && | |
331 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
332 | if (!match) | |
333 | match = s; | |
334 | else { | |
335 | // Only replace an existing match if it matches more characters | |
336 | int old_unmatched = ch_name.length() - match->name().length(); | |
337 | int new_unmatched = ch_name.length() - s->name().length(); | |
338 | if (abs(new_unmatched) < abs(old_unmatched)) | |
339 | match = s; | |
340 | } | |
341 | } | |
342 | } | |
343 | ||
344 | // Prevent using a signal more than once as D1 would match e.g. D1 and D10 | |
345 | bool signal_not_already_used = true; | |
346 | for (decode::DecodeChannel& ch : channels_) | |
347 | if (ch.assigned_signal && (ch.assigned_signal == match)) | |
348 | signal_not_already_used = false; | |
349 | ||
350 | if (match && signal_not_already_used) { | |
351 | ch.assigned_signal = match; | |
352 | new_assignment = true; | |
353 | } | |
354 | } | |
355 | ||
356 | if (new_assignment) { | |
357 | // Receive notifications when new sample data is available | |
358 | connect_input_notifiers(); | |
359 | ||
360 | logic_mux_data_invalid_ = true; | |
361 | stack_config_changed_ = true; | |
362 | commit_decoder_channels(); | |
363 | channels_updated(); | |
364 | } | |
365 | } | |
366 | ||
367 | void DecodeSignal::assign_signal(const uint16_t channel_id, shared_ptr<const SignalBase> signal) | |
368 | { | |
369 | // Disconnect all input signal notifications so we don't have duplicate connections | |
370 | disconnect_input_notifiers(); | |
371 | ||
372 | for (decode::DecodeChannel& ch : channels_) | |
373 | if (ch.id == channel_id) { | |
374 | ch.assigned_signal = signal; | |
375 | logic_mux_data_invalid_ = true; | |
376 | } | |
377 | ||
378 | // Receive notifications when new sample data is available | |
379 | connect_input_notifiers(); | |
380 | ||
381 | stack_config_changed_ = true; | |
382 | commit_decoder_channels(); | |
383 | channels_updated(); | |
384 | begin_decode(); | |
385 | } | |
386 | ||
387 | int DecodeSignal::get_assigned_signal_count() const | |
388 | { | |
389 | // Count all channels that have a signal assigned to them | |
390 | return count_if(channels_.begin(), channels_.end(), | |
391 | [](decode::DecodeChannel ch) { return ch.assigned_signal.get(); }); | |
392 | } | |
393 | ||
394 | void DecodeSignal::update_output_signals() | |
395 | { | |
396 | for (const shared_ptr<decode::Decoder>& dec : stack_) { | |
397 | assert(dec); | |
398 | ||
399 | if (dec->has_logic_output()) { | |
400 | const vector<decode::DecoderLogicOutputChannel> logic_channels = | |
401 | dec->logic_output_channels(); | |
402 | ||
403 | // All signals of a decoder share the same LogicSegment, so it's | |
404 | // sufficient to check for only the first channel | |
405 | const decode::DecoderLogicOutputChannel& first_ch = logic_channels[0]; | |
406 | ||
407 | bool ch_exists = false; | |
408 | for (const shared_ptr<SignalBase>& signal : output_signals_) | |
409 | if (signal->internal_name() == first_ch.id) | |
410 | ch_exists = true; | |
411 | ||
412 | if (!ch_exists) { | |
413 | shared_ptr<Logic> logic_data = make_shared<Logic>(logic_channels.size()); | |
414 | logic_data->set_samplerate(get_samplerate()); | |
415 | output_logic_[dec->get_srd_decoder()] = logic_data; | |
416 | output_logic_muxed_data_[dec->get_srd_decoder()] = vector<uint8_t>(); | |
417 | ||
418 | shared_ptr<LogicSegment> logic_segment = make_shared<data::LogicSegment>( | |
419 | *logic_data, 0, (logic_data->num_channels() + 7) / 8, get_samplerate()); | |
420 | logic_data->push_segment(logic_segment); | |
421 | ||
422 | uint index = 0; | |
423 | for (const decode::DecoderLogicOutputChannel& logic_ch : logic_channels) { | |
424 | shared_ptr<data::SignalBase> signal = | |
425 | make_shared<data::SignalBase>(nullptr, LogicChannel); | |
426 | signal->set_internal_name(logic_ch.id); | |
427 | signal->set_index(index); | |
428 | signal->set_data(logic_data); | |
429 | output_signals_.push_back(signal); | |
430 | session_.add_generated_signal(signal); | |
431 | index++; | |
432 | } | |
433 | } else { | |
434 | shared_ptr<Logic> logic_data = output_logic_[dec->get_srd_decoder()]; | |
435 | logic_data->set_samplerate(get_samplerate()); | |
436 | for (shared_ptr<LogicSegment>& segment : logic_data->logic_segments()) | |
437 | segment->set_samplerate(get_samplerate()); | |
438 | } | |
439 | } | |
440 | } | |
441 | ||
442 | for (shared_ptr<SignalBase> s : output_signals_) { | |
443 | s->set_name(s->internal_name() + " (" + name() + ")"); | |
444 | s->set_color(color()); | |
445 | } | |
446 | ||
447 | // TODO Assert that all sample rates are the same as the session's | |
448 | } | |
449 | ||
450 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) | |
451 | { | |
452 | for (decode::DecodeChannel& ch : channels_) | |
453 | if (ch.id == channel_id) | |
454 | ch.initial_pin_state = init_state; | |
455 | ||
456 | stack_config_changed_ = true; | |
457 | channels_updated(); | |
458 | begin_decode(); | |
459 | } | |
460 | ||
461 | double DecodeSignal::get_samplerate() const | |
462 | { | |
463 | double result = 0; | |
464 | ||
465 | // TODO For now, we simply return the first samplerate that we have | |
466 | if (segments_.size() > 0) | |
467 | result = segments_.front().samplerate; | |
468 | ||
469 | return result; | |
470 | } | |
471 | ||
472 | const pv::util::Timestamp DecodeSignal::start_time() const | |
473 | { | |
474 | pv::util::Timestamp result; | |
475 | ||
476 | // TODO For now, we simply return the first start time that we have | |
477 | if (segments_.size() > 0) | |
478 | result = segments_.front().start_time; | |
479 | ||
480 | return result; | |
481 | } | |
482 | ||
483 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const | |
484 | { | |
485 | // The working sample count is the highest sample number for | |
486 | // which all used signals have data available, so go through all | |
487 | // channels and use the lowest overall sample count of the segment | |
488 | ||
489 | int64_t count = std::numeric_limits<int64_t>::max(); | |
490 | bool no_signals_assigned = true; | |
491 | ||
492 | for (const decode::DecodeChannel& ch : channels_) | |
493 | if (ch.assigned_signal) { | |
494 | if (!ch.assigned_signal->logic_data()) | |
495 | return 0; | |
496 | ||
497 | no_signals_assigned = false; | |
498 | ||
499 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
500 | if (logic_data->logic_segments().empty()) | |
501 | return 0; | |
502 | ||
503 | if (segment_id >= logic_data->logic_segments().size()) | |
504 | return 0; | |
505 | ||
506 | const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr(); | |
507 | if (segment) | |
508 | count = min(count, (int64_t)segment->get_sample_count()); | |
509 | } | |
510 | ||
511 | return (no_signals_assigned ? 0 : count); | |
512 | } | |
513 | ||
514 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id, | |
515 | bool include_processing) const | |
516 | { | |
517 | lock_guard<mutex> decode_lock(output_mutex_); | |
518 | ||
519 | int64_t result = 0; | |
520 | ||
521 | if (segment_id >= segments_.size()) | |
522 | return result; | |
523 | ||
524 | if (include_processing) | |
525 | result = segments_[segment_id].samples_decoded_incl; | |
526 | else | |
527 | result = segments_[segment_id].samples_decoded_excl; | |
528 | ||
529 | return result; | |
530 | } | |
531 | ||
532 | vector<Row*> DecodeSignal::get_rows(bool visible_only) | |
533 | { | |
534 | vector<Row*> rows; | |
535 | ||
536 | for (const shared_ptr<Decoder>& dec : stack_) { | |
537 | assert(dec); | |
538 | if (visible_only && !dec->visible()) | |
539 | continue; | |
540 | ||
541 | for (Row* row : dec->get_rows()) | |
542 | rows.push_back(row); | |
543 | } | |
544 | ||
545 | return rows; | |
546 | } | |
547 | ||
548 | vector<const Row*> DecodeSignal::get_rows(bool visible_only) const | |
549 | { | |
550 | vector<const Row*> rows; | |
551 | ||
552 | for (const shared_ptr<Decoder>& dec : stack_) { | |
553 | assert(dec); | |
554 | if (visible_only && !dec->visible()) | |
555 | continue; | |
556 | ||
557 | for (const Row* row : dec->get_rows()) | |
558 | rows.push_back(row); | |
559 | } | |
560 | ||
561 | return rows; | |
562 | } | |
563 | ||
564 | uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const | |
565 | { | |
566 | if (segment_id >= segments_.size()) | |
567 | return 0; | |
568 | ||
569 | const DecodeSegment* segment = &(segments_.at(segment_id)); | |
570 | ||
571 | auto row_it = segment->annotation_rows.find(row); | |
572 | ||
573 | const RowData* rd; | |
574 | if (row_it == segment->annotation_rows.end()) | |
575 | return 0; | |
576 | else | |
577 | rd = &(row_it->second); | |
578 | ||
579 | return rd->get_annotation_count(); | |
580 | } | |
581 | ||
582 | void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest, | |
583 | const Row* row, uint32_t segment_id, uint64_t start_sample, | |
584 | uint64_t end_sample) const | |
585 | { | |
586 | lock_guard<mutex> lock(output_mutex_); | |
587 | ||
588 | if (segment_id >= segments_.size()) | |
589 | return; | |
590 | ||
591 | const DecodeSegment* segment = &(segments_.at(segment_id)); | |
592 | ||
593 | auto row_it = segment->annotation_rows.find(row); | |
594 | ||
595 | const RowData* rd; | |
596 | if (row_it == segment->annotation_rows.end()) | |
597 | return; | |
598 | else | |
599 | rd = &(row_it->second); | |
600 | ||
601 | rd->get_annotation_subset(dest, start_sample, end_sample); | |
602 | } | |
603 | ||
604 | void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest, | |
605 | uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const | |
606 | { | |
607 | for (const Row* row : get_rows()) | |
608 | get_annotation_subset(dest, row, segment_id, start_sample, end_sample); | |
609 | } | |
610 | ||
611 | uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id, | |
612 | const Decoder* dec, uint32_t bin_class_id) const | |
613 | { | |
614 | if ((segments_.size() == 0) || (segment_id >= segments_.size())) | |
615 | return 0; | |
616 | ||
617 | const DecodeSegment *segment = &(segments_[segment_id]); | |
618 | ||
619 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
620 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
621 | return bc.chunks.size(); | |
622 | ||
623 | return 0; | |
624 | } | |
625 | ||
626 | void DecodeSignal::get_binary_data_chunk(uint32_t segment_id, | |
627 | const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id, | |
628 | const vector<uint8_t> **dest, uint64_t *size) | |
629 | { | |
630 | if (segment_id >= segments_.size()) | |
631 | return; | |
632 | ||
633 | const DecodeSegment *segment = &(segments_[segment_id]); | |
634 | ||
635 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
636 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) { | |
637 | if (dest) *dest = &(bc.chunks.at(chunk_id).data); | |
638 | if (size) *size = bc.chunks.at(chunk_id).data.size(); | |
639 | return; | |
640 | } | |
641 | } | |
642 | ||
643 | void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id, | |
644 | const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample, | |
645 | uint64_t end_sample, vector<uint8_t> *dest) const | |
646 | { | |
647 | assert(dest != nullptr); | |
648 | ||
649 | if (segment_id >= segments_.size()) | |
650 | return; | |
651 | ||
652 | const DecodeSegment *segment = &(segments_[segment_id]); | |
653 | ||
654 | const DecodeBinaryClass* bin_class = nullptr; | |
655 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
656 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
657 | bin_class = &bc; | |
658 | ||
659 | // Determine overall size before copying to resize dest vector only once | |
660 | uint64_t size = 0; | |
661 | uint64_t matches = 0; | |
662 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) | |
663 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
664 | size += chunk.data.size(); | |
665 | matches++; | |
666 | } | |
667 | dest->resize(size); | |
668 | ||
669 | uint64_t offset = 0; | |
670 | uint64_t matches2 = 0; | |
671 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) | |
672 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
673 | memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size()); | |
674 | offset += chunk.data.size(); | |
675 | matches2++; | |
676 | ||
677 | // Make sure we don't overwrite memory if the array grew in the meanwhile | |
678 | if (matches2 == matches) | |
679 | break; | |
680 | } | |
681 | } | |
682 | ||
683 | void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id, | |
684 | const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end, | |
685 | vector<uint8_t> *dest) const | |
686 | { | |
687 | assert(dest != nullptr); | |
688 | ||
689 | if (segment_id >= segments_.size()) | |
690 | return; | |
691 | ||
692 | const DecodeSegment *segment = &(segments_[segment_id]); | |
693 | ||
694 | const DecodeBinaryClass* bin_class = nullptr; | |
695 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
696 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
697 | bin_class = &bc; | |
698 | ||
699 | // Determine overall size before copying to resize dest vector only once | |
700 | uint64_t size = 0; | |
701 | uint64_t offset = 0; | |
702 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
703 | if (offset >= start) | |
704 | size += chunk.data.size(); | |
705 | offset += chunk.data.size(); | |
706 | if (offset >= end) | |
707 | break; | |
708 | } | |
709 | dest->resize(size); | |
710 | ||
711 | offset = 0; | |
712 | uint64_t dest_offset = 0; | |
713 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
714 | if (offset >= start) { | |
715 | memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size()); | |
716 | dest_offset += chunk.data.size(); | |
717 | } | |
718 | offset += chunk.data.size(); | |
719 | if (offset >= end) | |
720 | break; | |
721 | } | |
722 | } | |
723 | ||
724 | const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id, | |
725 | const Decoder* dec, uint32_t bin_class_id) const | |
726 | { | |
727 | if (segment_id >= segments_.size()) | |
728 | return nullptr; | |
729 | ||
730 | const DecodeSegment *segment = &(segments_[segment_id]); | |
731 | ||
732 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
733 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
734 | return &bc; | |
735 | ||
736 | return nullptr; | |
737 | } | |
738 | ||
739 | const deque<const Annotation*>* DecodeSignal::get_all_annotations_by_segment( | |
740 | uint32_t segment_id) const | |
741 | { | |
742 | if (segment_id >= segments_.size()) | |
743 | return nullptr; | |
744 | ||
745 | const DecodeSegment *segment = &(segments_[segment_id]); | |
746 | ||
747 | return &(segment->all_annotations); | |
748 | } | |
749 | ||
750 | void DecodeSignal::save_settings(QSettings &settings) const | |
751 | { | |
752 | SignalBase::save_settings(settings); | |
753 | ||
754 | settings.setValue("decoders", (int)(stack_.size())); | |
755 | ||
756 | // Save decoder stack | |
757 | int decoder_idx = 0; | |
758 | for (const shared_ptr<Decoder>& decoder : stack_) { | |
759 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); | |
760 | ||
761 | #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) | |
762 | settings.setValue("id", (const char *)decoder->get_srd_decoder()->id); | |
763 | #else | |
764 | settings.setValue("id", decoder->get_srd_decoder()->id); | |
765 | #endif | |
766 | settings.setValue("visible", decoder->visible()); | |
767 | ||
768 | // Save decoder options | |
769 | const map<string, GVariant*>& options = decoder->options(); | |
770 | ||
771 | settings.setValue("options", (int)options.size()); | |
772 | ||
773 | // Note: Decoder::options() returns only the options | |
774 | // that differ from the default. See binding::Decoder::getter() | |
775 | int i = 0; | |
776 | for (auto& option : options) { | |
777 | settings.beginGroup("option" + QString::number(i)); | |
778 | settings.setValue("name", QString::fromStdString(option.first)); | |
779 | GlobalSettings::store_gvariant(settings, option.second); | |
780 | settings.endGroup(); | |
781 | i++; | |
782 | } | |
783 | ||
784 | // Save row properties | |
785 | i = 0; | |
786 | for (const Row* row : decoder->get_rows()) { | |
787 | settings.beginGroup("row" + QString::number(i)); | |
788 | settings.setValue("visible", row->visible()); | |
789 | settings.endGroup(); | |
790 | i++; | |
791 | } | |
792 | ||
793 | // Save class properties | |
794 | i = 0; | |
795 | for (const AnnotationClass* ann_class : decoder->ann_classes()) { | |
796 | settings.beginGroup("ann_class" + QString::number(i)); | |
797 | settings.setValue("visible", ann_class->visible()); | |
798 | settings.endGroup(); | |
799 | i++; | |
800 | } | |
801 | ||
802 | settings.endGroup(); | |
803 | } | |
804 | ||
805 | // Save channel mapping | |
806 | settings.setValue("channels", (int)channels_.size()); | |
807 | ||
808 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
809 | auto channel = find_if(channels_.begin(), channels_.end(), | |
810 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); | |
811 | ||
812 | if (channel == channels_.end()) { | |
813 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
814 | continue; | |
815 | } | |
816 | ||
817 | settings.beginGroup("channel" + QString::number(channel_id)); | |
818 | ||
819 | settings.setValue("name", channel->name); // Useful for debugging | |
820 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
821 | ||
822 | if (channel->assigned_signal) | |
823 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
824 | ||
825 | settings.endGroup(); | |
826 | } | |
827 | ||
828 | // TODO Save logic output signal settings | |
829 | } | |
830 | ||
831 | void DecodeSignal::restore_settings(QSettings &settings) | |
832 | { | |
833 | SignalBase::restore_settings(settings); | |
834 | ||
835 | // Restore decoder stack | |
836 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); | |
837 | ||
838 | int decoders = settings.value("decoders").toInt(); | |
839 | ||
840 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
841 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
842 | ||
843 | QString id = settings.value("id").toString(); | |
844 | ||
845 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
846 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
847 | if (!dec) | |
848 | continue; | |
849 | ||
850 | if (QString::fromUtf8(dec->id) == id) { | |
851 | shared_ptr<Decoder> decoder = make_shared<Decoder>(dec, stack_.size()); | |
852 | ||
853 | connect(decoder.get(), SIGNAL(annotation_visibility_changed()), | |
854 | this, SLOT(on_annotation_visibility_changed())); | |
855 | ||
856 | stack_.push_back(decoder); | |
857 | decoder->set_visible(settings.value("visible", true).toBool()); | |
858 | ||
859 | // Restore decoder options that differ from their default | |
860 | int options = settings.value("options").toInt(); | |
861 | ||
862 | for (int i = 0; i < options; i++) { | |
863 | settings.beginGroup("option" + QString::number(i)); | |
864 | QString name = settings.value("name").toString(); | |
865 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
866 | decoder->set_option(name.toUtf8(), value); | |
867 | settings.endGroup(); | |
868 | } | |
869 | ||
870 | // Include the newly created decode channels in the channel lists | |
871 | update_channel_list(); | |
872 | ||
873 | // Restore row properties | |
874 | int i = 0; | |
875 | for (Row* row : decoder->get_rows()) { | |
876 | settings.beginGroup("row" + QString::number(i)); | |
877 | row->set_visible(settings.value("visible", true).toBool()); | |
878 | settings.endGroup(); | |
879 | i++; | |
880 | } | |
881 | ||
882 | // Restore class properties | |
883 | i = 0; | |
884 | for (AnnotationClass* ann_class : decoder->ann_classes()) { | |
885 | settings.beginGroup("ann_class" + QString::number(i)); | |
886 | ann_class->set_visible(settings.value("visible", true).toBool()); | |
887 | settings.endGroup(); | |
888 | i++; | |
889 | } | |
890 | ||
891 | break; | |
892 | } | |
893 | } | |
894 | ||
895 | settings.endGroup(); | |
896 | channels_updated(); | |
897 | } | |
898 | ||
899 | // Restore channel mapping | |
900 | unsigned int channels = settings.value("channels").toInt(); | |
901 | ||
902 | const vector< shared_ptr<data::SignalBase> > signalbases = | |
903 | session_.signalbases(); | |
904 | ||
905 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
906 | auto channel = find_if(channels_.begin(), channels_.end(), | |
907 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); | |
908 | ||
909 | if (channel == channels_.end()) { | |
910 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
911 | continue; | |
912 | } | |
913 | ||
914 | settings.beginGroup("channel" + QString::number(channel_id)); | |
915 | ||
916 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
917 | ||
918 | for (const shared_ptr<data::SignalBase>& signal : signalbases) | |
919 | if ((signal->name() == assigned_signal_name) && (signal->type() != SignalBase::DecodeChannel)) | |
920 | channel->assigned_signal = signal; | |
921 | ||
922 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
923 | ||
924 | settings.endGroup(); | |
925 | } | |
926 | ||
927 | connect_input_notifiers(); | |
928 | ||
929 | // Update the internal structures | |
930 | stack_config_changed_ = true; | |
931 | update_channel_list(); | |
932 | commit_decoder_channels(); | |
933 | update_output_signals(); | |
934 | ||
935 | // TODO Restore logic output signal settings | |
936 | ||
937 | begin_decode(); | |
938 | } | |
939 | ||
940 | bool DecodeSignal::all_input_segments_complete(uint32_t segment_id) const | |
941 | { | |
942 | bool all_complete = true; | |
943 | ||
944 | for (const decode::DecodeChannel& ch : channels_) | |
945 | if (ch.assigned_signal) { | |
946 | if (!ch.assigned_signal->logic_data()) | |
947 | continue; | |
948 | ||
949 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
950 | if (logic_data->logic_segments().empty()) | |
951 | return false; | |
952 | ||
953 | if (segment_id >= logic_data->logic_segments().size()) | |
954 | return false; | |
955 | ||
956 | const shared_ptr<const LogicSegment> segment = logic_data->logic_segments()[segment_id]->get_shared_ptr(); | |
957 | if (segment && !segment->is_complete()) | |
958 | all_complete = false; | |
959 | } | |
960 | ||
961 | return all_complete; | |
962 | } | |
963 | ||
964 | uint32_t DecodeSignal::get_input_segment_count() const | |
965 | { | |
966 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
967 | bool no_signals_assigned = true; | |
968 | ||
969 | for (const decode::DecodeChannel& ch : channels_) | |
970 | if (ch.assigned_signal) { | |
971 | no_signals_assigned = false; | |
972 | ||
973 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
974 | if (!logic_data || logic_data->logic_segments().empty()) | |
975 | return 0; | |
976 | ||
977 | // Find the min value of all segment counts | |
978 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
979 | count = logic_data->logic_segments().size(); | |
980 | } | |
981 | ||
982 | return (no_signals_assigned ? 0 : count); | |
983 | } | |
984 | ||
985 | double DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
986 | { | |
987 | double samplerate = 0; | |
988 | ||
989 | for (const decode::DecodeChannel& ch : channels_) | |
990 | if (ch.assigned_signal) { | |
991 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
992 | if (!logic_data || logic_data->logic_segments().empty()) | |
993 | continue; | |
994 | ||
995 | try { | |
996 | const shared_ptr<const LogicSegment> segment = | |
997 | logic_data->logic_segments().at(segment_id)->get_shared_ptr(); | |
998 | if (segment) | |
999 | samplerate = segment->samplerate(); | |
1000 | } catch (out_of_range&) { | |
1001 | // Do nothing | |
1002 | } | |
1003 | break; | |
1004 | } | |
1005 | ||
1006 | return samplerate; | |
1007 | } | |
1008 | ||
1009 | Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec) | |
1010 | { | |
1011 | for (shared_ptr<Decoder>& d : stack_) | |
1012 | if (d->get_srd_decoder() == srd_dec) | |
1013 | return d.get(); | |
1014 | ||
1015 | return nullptr; | |
1016 | } | |
1017 | ||
1018 | void DecodeSignal::update_channel_list() | |
1019 | { | |
1020 | vector<decode::DecodeChannel> prev_channels = channels_; | |
1021 | channels_.clear(); | |
1022 | ||
1023 | uint16_t id = 0; | |
1024 | ||
1025 | // Copy existing entries, create new as needed | |
1026 | for (shared_ptr<Decoder>& decoder : stack_) { | |
1027 | const srd_decoder* srd_dec = decoder->get_srd_decoder(); | |
1028 | const GSList *l; | |
1029 | ||
1030 | // Mandatory channels | |
1031 | for (l = srd_dec->channels; l; l = l->next) { | |
1032 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
1033 | bool ch_added = false; | |
1034 | ||
1035 | // Copy but update ID if this channel was in the list before | |
1036 | for (decode::DecodeChannel& ch : prev_channels) | |
1037 | if (ch.pdch_ == pdch) { | |
1038 | ch.id = id++; | |
1039 | channels_.push_back(ch); | |
1040 | ch_added = true; | |
1041 | break; | |
1042 | } | |
1043 | ||
1044 | if (!ch_added) { | |
1045 | // Create new entry without a mapped signal | |
1046 | decode::DecodeChannel ch = {id++, 0, false, nullptr, | |
1047 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), | |
1048 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
1049 | channels_.push_back(ch); | |
1050 | } | |
1051 | } | |
1052 | ||
1053 | // Optional channels | |
1054 | for (l = srd_dec->opt_channels; l; l = l->next) { | |
1055 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
1056 | bool ch_added = false; | |
1057 | ||
1058 | // Copy but update ID if this channel was in the list before | |
1059 | for (decode::DecodeChannel& ch : prev_channels) | |
1060 | if (ch.pdch_ == pdch) { | |
1061 | ch.id = id++; | |
1062 | channels_.push_back(ch); | |
1063 | ch_added = true; | |
1064 | break; | |
1065 | } | |
1066 | ||
1067 | if (!ch_added) { | |
1068 | // Create new entry without a mapped signal | |
1069 | decode::DecodeChannel ch = {id++, 0, true, nullptr, | |
1070 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), | |
1071 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
1072 | channels_.push_back(ch); | |
1073 | } | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | // Invalidate the logic output data if the channel assignment changed | |
1078 | if (prev_channels.size() != channels_.size()) { | |
1079 | // The number of channels changed, there's definitely a difference | |
1080 | logic_mux_data_invalid_ = true; | |
1081 | } else { | |
1082 | // Same number but assignment may still differ, so compare all channels | |
1083 | for (size_t i = 0; i < channels_.size(); i++) { | |
1084 | const decode::DecodeChannel& p_ch = prev_channels[i]; | |
1085 | const decode::DecodeChannel& ch = channels_[i]; | |
1086 | ||
1087 | if ((p_ch.pdch_ != ch.pdch_) || | |
1088 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
1089 | logic_mux_data_invalid_ = true; | |
1090 | break; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | } | |
1095 | ||
1096 | channels_updated(); | |
1097 | } | |
1098 | ||
1099 | void DecodeSignal::commit_decoder_channels() | |
1100 | { | |
1101 | // Submit channel list to every decoder, containing only the relevant channels | |
1102 | for (shared_ptr<Decoder> dec : stack_) { | |
1103 | vector<decode::DecodeChannel*> channel_list; | |
1104 | ||
1105 | for (decode::DecodeChannel& ch : channels_) | |
1106 | if (ch.decoder_ == dec) | |
1107 | channel_list.push_back(&ch); | |
1108 | ||
1109 | dec->set_channels(channel_list); | |
1110 | } | |
1111 | ||
1112 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
1113 | int id = 0; | |
1114 | for (decode::DecodeChannel& ch : channels_) | |
1115 | if (ch.assigned_signal) | |
1116 | ch.bit_id = id++; | |
1117 | } | |
1118 | ||
1119 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) | |
1120 | { | |
1121 | // Enforce end to be greater than start | |
1122 | if (end <= start) | |
1123 | return; | |
1124 | ||
1125 | // Fetch the channel segments and their data | |
1126 | vector<shared_ptr<const LogicSegment> > segments; | |
1127 | vector<const uint8_t*> signal_data; | |
1128 | vector<uint8_t> signal_in_bytepos; | |
1129 | vector<uint8_t> signal_in_bitpos; | |
1130 | ||
1131 | for (decode::DecodeChannel& ch : channels_) | |
1132 | if (ch.assigned_signal) { | |
1133 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
1134 | ||
1135 | shared_ptr<const LogicSegment> segment; | |
1136 | if (segment_id < logic_data->logic_segments().size()) { | |
1137 | segment = logic_data->logic_segments().at(segment_id)->get_shared_ptr(); | |
1138 | } else { | |
1139 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ | |
1140 | << "has no logic segment" << segment_id; | |
1141 | logic_mux_interrupt_ = true; | |
1142 | return; | |
1143 | } | |
1144 | ||
1145 | if (!segment) | |
1146 | return; | |
1147 | ||
1148 | segments.push_back(segment); | |
1149 | ||
1150 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
1151 | segment->get_samples(start, end, data); | |
1152 | signal_data.push_back(data); | |
1153 | ||
1154 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
1155 | signal_in_bytepos.push_back(bitpos / 8); | |
1156 | signal_in_bitpos.push_back(bitpos % 8); | |
1157 | } | |
1158 | ||
1159 | shared_ptr<LogicSegment> output_segment; | |
1160 | try { | |
1161 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
1162 | } catch (out_of_range&) { | |
1163 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ | |
1164 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
1165 | << logic_mux_data_->logic_segments().size(); | |
1166 | logic_mux_interrupt_ = true; | |
1167 | return; | |
1168 | } | |
1169 | ||
1170 | // Perform the muxing of signal data into the output data | |
1171 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; | |
1172 | unsigned int signal_count = signal_data.size(); | |
1173 | ||
1174 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); | |
1175 | sample_cnt++) { | |
1176 | ||
1177 | int bitpos = 0; | |
1178 | uint8_t bytepos = 0; | |
1179 | ||
1180 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); | |
1181 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
1182 | output[out_sample_pos + i] = 0; | |
1183 | ||
1184 | for (unsigned int i = 0; i < signal_count; i++) { | |
1185 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
1186 | const uint8_t in_sample = 1 & | |
1187 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
1188 | ||
1189 | const uint8_t out_sample = output[out_sample_pos + bytepos]; | |
1190 | ||
1191 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
1192 | ||
1193 | bitpos++; | |
1194 | if (bitpos > 7) { | |
1195 | bitpos = 0; | |
1196 | bytepos++; | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); | |
1202 | delete[] output; | |
1203 | ||
1204 | for (const uint8_t* data : signal_data) | |
1205 | delete[] data; | |
1206 | } | |
1207 | ||
1208 | void DecodeSignal::logic_mux_proc() | |
1209 | { | |
1210 | uint32_t input_segment_count; | |
1211 | do { | |
1212 | input_segment_count = get_input_segment_count(); | |
1213 | if (input_segment_count == 0) { | |
1214 | // Wait for input data | |
1215 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1216 | logic_mux_cond_.wait(logic_mux_lock); | |
1217 | } | |
1218 | } while ((!logic_mux_interrupt_) && (input_segment_count == 0)); | |
1219 | ||
1220 | if (logic_mux_interrupt_) | |
1221 | return; | |
1222 | ||
1223 | assert(logic_mux_data_); | |
1224 | ||
1225 | uint32_t segment_id = 0; | |
1226 | ||
1227 | // Create initial logic mux segment | |
1228 | shared_ptr<LogicSegment> output_segment = | |
1229 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, logic_mux_unit_size_, 0); | |
1230 | logic_mux_data_->push_segment(output_segment); | |
1231 | ||
1232 | output_segment->set_samplerate(get_input_samplerate(0)); | |
1233 | ||
1234 | // Logic mux data is being updated | |
1235 | logic_mux_data_invalid_ = false; | |
1236 | ||
1237 | uint64_t samples_to_process; | |
1238 | do { | |
1239 | do { | |
1240 | const uint64_t input_sample_count = get_working_sample_count(segment_id); | |
1241 | const uint64_t output_sample_count = output_segment->get_sample_count(); | |
1242 | ||
1243 | samples_to_process = | |
1244 | (input_sample_count > output_sample_count) ? | |
1245 | (input_sample_count - output_sample_count) : 0; | |
1246 | ||
1247 | if (samples_to_process > 0) { | |
1248 | const uint64_t unit_size = output_segment->unit_size(); | |
1249 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; | |
1250 | ||
1251 | uint64_t processed_samples = 0; | |
1252 | do { | |
1253 | const uint64_t start_sample = output_sample_count + processed_samples; | |
1254 | const uint64_t sample_count = | |
1255 | min(samples_to_process - processed_samples, chunk_sample_count); | |
1256 | ||
1257 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); | |
1258 | processed_samples += sample_count; | |
1259 | ||
1260 | // ...and process the newly muxed logic data | |
1261 | decode_input_cond_.notify_one(); | |
1262 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); | |
1263 | } | |
1264 | } while (!logic_mux_interrupt_ && (samples_to_process > 0)); | |
1265 | ||
1266 | if (!logic_mux_interrupt_) { | |
1267 | // samples_to_process is now 0, we've exhausted the currently available input data | |
1268 | ||
1269 | // If the input segments are complete, we've completed this segment | |
1270 | if (all_input_segments_complete(segment_id)) { | |
1271 | if (!output_segment->is_complete()) | |
1272 | output_segment->set_complete(); | |
1273 | ||
1274 | if (segment_id < get_input_segment_count() - 1) { | |
1275 | ||
1276 | // Process next segment | |
1277 | segment_id++; | |
1278 | ||
1279 | output_segment = | |
1280 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, | |
1281 | logic_mux_unit_size_, 0); | |
1282 | logic_mux_data_->push_segment(output_segment); | |
1283 | ||
1284 | output_segment->set_samplerate(get_input_samplerate(segment_id)); | |
1285 | } else { | |
1286 | // Wait for more input data if we're processing the currently last segment | |
1287 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1288 | logic_mux_cond_.wait(logic_mux_lock); | |
1289 | } | |
1290 | } else { | |
1291 | // Input segments aren't all complete yet but samples_to_process is 0, wait for more input data | |
1292 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1293 | logic_mux_cond_.wait(logic_mux_lock); | |
1294 | } | |
1295 | } | |
1296 | } while (!logic_mux_interrupt_); | |
1297 | } | |
1298 | ||
1299 | void DecodeSignal::decode_data( | |
1300 | const int64_t abs_start_samplenum, const int64_t sample_count, | |
1301 | const shared_ptr<const LogicSegment> input_segment) | |
1302 | { | |
1303 | const int64_t unit_size = input_segment->unit_size(); | |
1304 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; | |
1305 | ||
1306 | for (int64_t i = abs_start_samplenum; | |
1307 | !decode_interrupt_ && (i < (abs_start_samplenum + sample_count)); | |
1308 | i += chunk_sample_count) { | |
1309 | ||
1310 | const int64_t chunk_end = min(i + chunk_sample_count, | |
1311 | abs_start_samplenum + sample_count); | |
1312 | ||
1313 | { | |
1314 | lock_guard<mutex> lock(output_mutex_); | |
1315 | // Update the sample count showing the samples including currently processed ones | |
1316 | segments_.at(current_segment_id_).samples_decoded_incl = chunk_end; | |
1317 | } | |
1318 | ||
1319 | int64_t data_size = (chunk_end - i) * unit_size; | |
1320 | uint8_t* chunk = new uint8_t[data_size]; | |
1321 | input_segment->get_samples(i, chunk_end, chunk); | |
1322 | ||
1323 | if (srd_session_send(srd_session_, i, chunk_end, chunk, | |
1324 | data_size, unit_size) != SRD_OK) { | |
1325 | set_error_message(tr("Decoder reported an error")); | |
1326 | decode_interrupt_ = true; | |
1327 | } | |
1328 | ||
1329 | delete[] chunk; | |
1330 | ||
1331 | { | |
1332 | lock_guard<mutex> lock(output_mutex_); | |
1333 | // Now that all samples are processed, the exclusive sample count catches up | |
1334 | segments_.at(current_segment_id_).samples_decoded_excl = chunk_end; | |
1335 | } | |
1336 | ||
1337 | // Notify the frontend that we processed some data and | |
1338 | // possibly have new annotations as well | |
1339 | new_annotations(); | |
1340 | ||
1341 | if (decode_paused_) { | |
1342 | unique_lock<mutex> pause_wait_lock(decode_pause_mutex_); | |
1343 | decode_pause_cond_.wait(pause_wait_lock); | |
1344 | } | |
1345 | } | |
1346 | } | |
1347 | ||
1348 | void DecodeSignal::decode_proc() | |
1349 | { | |
1350 | current_segment_id_ = 0; | |
1351 | ||
1352 | // If there is no input data available yet, wait until it is or we're interrupted | |
1353 | do { | |
1354 | if (logic_mux_data_->logic_segments().size() == 0) { | |
1355 | // Wait for input data | |
1356 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1357 | decode_input_cond_.wait(input_wait_lock); | |
1358 | } | |
1359 | } while ((!decode_interrupt_) && (logic_mux_data_->logic_segments().size() == 0)); | |
1360 | ||
1361 | if (decode_interrupt_) | |
1362 | return; | |
1363 | ||
1364 | shared_ptr<const LogicSegment> input_segment = logic_mux_data_->logic_segments().front()->get_shared_ptr(); | |
1365 | if (!input_segment) | |
1366 | return; | |
1367 | ||
1368 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
1369 | create_decode_segment(); | |
1370 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); | |
1371 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); | |
1372 | ||
1373 | start_srd_session(); | |
1374 | ||
1375 | uint64_t samples_to_process = 0; | |
1376 | uint64_t abs_start_samplenum = 0; | |
1377 | do { | |
1378 | // Keep processing new samples until we exhaust the input data | |
1379 | do { | |
1380 | samples_to_process = input_segment->get_sample_count() - abs_start_samplenum; | |
1381 | ||
1382 | if (samples_to_process > 0) { | |
1383 | decode_data(abs_start_samplenum, samples_to_process, input_segment); | |
1384 | abs_start_samplenum += samples_to_process; | |
1385 | } | |
1386 | } while (!decode_interrupt_ && (samples_to_process > 0)); | |
1387 | ||
1388 | if (!decode_interrupt_) { | |
1389 | // samples_to_process is now 0, we've exhausted the currently available input data | |
1390 | ||
1391 | // If the input segment is complete, we've exhausted this segment | |
1392 | if (input_segment->is_complete()) { | |
1393 | #if defined HAVE_SRD_SESSION_SEND_EOF && HAVE_SRD_SESSION_SEND_EOF | |
1394 | // Tell protocol decoders about the end of | |
1395 | // the input data, which may result in more | |
1396 | // annotations being emitted | |
1397 | (void)srd_session_send_eof(srd_session_); | |
1398 | new_annotations(); | |
1399 | #endif | |
1400 | ||
1401 | if (current_segment_id_ < (logic_mux_data_->logic_segments().size() - 1)) { | |
1402 | // Process next segment | |
1403 | current_segment_id_++; | |
1404 | ||
1405 | try { | |
1406 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
1407 | } catch (out_of_range&) { | |
1408 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ | |
1409 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
1410 | << logic_mux_data_->logic_segments().size(); | |
1411 | decode_interrupt_ = true; | |
1412 | return; | |
1413 | } | |
1414 | abs_start_samplenum = 0; | |
1415 | ||
1416 | // Create the next segment and set its metadata | |
1417 | create_decode_segment(); | |
1418 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); | |
1419 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); | |
1420 | ||
1421 | // Reset decoder state but keep the decoder stack intact | |
1422 | terminate_srd_session(); | |
1423 | } else { | |
1424 | // All segments have been processed | |
1425 | if (!decode_interrupt_) | |
1426 | decode_finished(); | |
1427 | ||
1428 | // Wait for more input data | |
1429 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1430 | decode_input_cond_.wait(input_wait_lock); | |
1431 | } | |
1432 | } else { | |
1433 | // Input segment isn't complete yet but samples_to_process is 0, wait for more input data | |
1434 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1435 | decode_input_cond_.wait(input_wait_lock); | |
1436 | } | |
1437 | ||
1438 | } | |
1439 | } while (!decode_interrupt_); | |
1440 | } | |
1441 | ||
1442 | void DecodeSignal::start_srd_session() | |
1443 | { | |
1444 | // If there were stack changes, the session has been destroyed by now, so if | |
1445 | // it hasn't been destroyed, we can just reset and re-use it | |
1446 | if (srd_session_) { | |
1447 | // When a decoder stack was created before, re-use it | |
1448 | // for the next stream of input data, after terminating | |
1449 | // potentially still executing operations, and resetting | |
1450 | // internal state. Skip the rather expensive (teardown | |
1451 | // and) construction of another decoder stack. | |
1452 | ||
1453 | // TODO Reduce redundancy, use a common code path for | |
1454 | // the meta/start sequence? | |
1455 | terminate_srd_session(); | |
1456 | ||
1457 | // Metadata is cleared also, so re-set it | |
1458 | uint64_t samplerate = 0; | |
1459 | if (segments_.size() > 0) | |
1460 | samplerate = segments_.at(current_segment_id_).samplerate; | |
1461 | if (samplerate) | |
1462 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1463 | g_variant_new_uint64(samplerate)); | |
1464 | for (const shared_ptr<Decoder>& dec : stack_) | |
1465 | dec->apply_all_options(); | |
1466 | srd_session_start(srd_session_); | |
1467 | ||
1468 | return; | |
1469 | } | |
1470 | ||
1471 | // Update the samplerates for the output logic channels | |
1472 | update_output_signals(); | |
1473 | ||
1474 | // Create the session | |
1475 | srd_session_new(&srd_session_); | |
1476 | assert(srd_session_); | |
1477 | ||
1478 | // Create the decoders | |
1479 | srd_decoder_inst *prev_di = nullptr; | |
1480 | for (const shared_ptr<Decoder>& dec : stack_) { | |
1481 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); | |
1482 | ||
1483 | if (!di) { | |
1484 | set_error_message(tr("Failed to create decoder instance")); | |
1485 | srd_session_destroy(srd_session_); | |
1486 | srd_session_ = nullptr; | |
1487 | return; | |
1488 | } | |
1489 | ||
1490 | if (prev_di) | |
1491 | srd_inst_stack(srd_session_, prev_di, di); | |
1492 | ||
1493 | prev_di = di; | |
1494 | } | |
1495 | ||
1496 | // Start the session | |
1497 | if (segments_.size() > 0) | |
1498 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1499 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
1500 | ||
1501 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1502 | DecodeSignal::annotation_callback, this); | |
1503 | ||
1504 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY, | |
1505 | DecodeSignal::binary_callback, this); | |
1506 | ||
1507 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_LOGIC, | |
1508 | DecodeSignal::logic_output_callback, this); | |
1509 | ||
1510 | srd_session_start(srd_session_); | |
1511 | ||
1512 | // We just recreated the srd session, so all stack changes are applied now | |
1513 | stack_config_changed_ = false; | |
1514 | } | |
1515 | ||
1516 | void DecodeSignal::terminate_srd_session() | |
1517 | { | |
1518 | // Call the "terminate and reset" routine for the decoder stack | |
1519 | // (if available). This does not harm those stacks which already | |
1520 | // have completed their operation, and reduces response time for | |
1521 | // those stacks which still are processing data while the | |
1522 | // application no longer wants them to. | |
1523 | if (srd_session_) { | |
1524 | #if defined HAVE_SRD_SESSION_SEND_EOF && HAVE_SRD_SESSION_SEND_EOF | |
1525 | (void)srd_session_send_eof(srd_session_); | |
1526 | #endif | |
1527 | srd_session_terminate_reset(srd_session_); | |
1528 | ||
1529 | // Metadata is cleared also, so re-set it | |
1530 | uint64_t samplerate = 0; | |
1531 | if (segments_.size() > 0) | |
1532 | samplerate = segments_.at(current_segment_id_).samplerate; | |
1533 | if (samplerate) | |
1534 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1535 | g_variant_new_uint64(samplerate)); | |
1536 | for (const shared_ptr<Decoder>& dec : stack_) | |
1537 | dec->apply_all_options(); | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | void DecodeSignal::stop_srd_session() | |
1542 | { | |
1543 | if (srd_session_) { | |
1544 | // Destroy the session | |
1545 | srd_session_destroy(srd_session_); | |
1546 | srd_session_ = nullptr; | |
1547 | ||
1548 | // Mark the decoder instances as non-existant since they were deleted | |
1549 | for (const shared_ptr<Decoder>& dec : stack_) | |
1550 | dec->invalidate_decoder_inst(); | |
1551 | } | |
1552 | } | |
1553 | ||
1554 | void DecodeSignal::connect_input_notifiers() | |
1555 | { | |
1556 | // Connect the currently used signals to our slot | |
1557 | for (decode::DecodeChannel& ch : channels_) { | |
1558 | if (!ch.assigned_signal) | |
1559 | continue; | |
1560 | const data::SignalBase *signal = ch.assigned_signal.get(); | |
1561 | ||
1562 | connect(signal, SIGNAL(samples_cleared()), | |
1563 | this, SLOT(on_data_cleared()), Qt::UniqueConnection); | |
1564 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), | |
1565 | this, SLOT(on_data_received()), Qt::UniqueConnection); | |
1566 | ||
1567 | if (signal->logic_data()) | |
1568 | connect(signal->logic_data().get(), SIGNAL(segment_completed()), | |
1569 | this, SLOT(on_input_segment_completed()), Qt::UniqueConnection); | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | void DecodeSignal::disconnect_input_notifiers() | |
1574 | { | |
1575 | // Disconnect the notification slot from the previous set of signals | |
1576 | for (decode::DecodeChannel& ch : channels_) { | |
1577 | if (!ch.assigned_signal) | |
1578 | continue; | |
1579 | const data::SignalBase *signal = ch.assigned_signal.get(); | |
1580 | disconnect(signal, nullptr, this, SLOT(on_data_cleared())); | |
1581 | disconnect(signal, nullptr, this, SLOT(on_data_received())); | |
1582 | ||
1583 | if (signal->logic_data()) | |
1584 | disconnect(signal->logic_data().get(), nullptr, this, SLOT(on_input_segment_completed())); | |
1585 | } | |
1586 | } | |
1587 | ||
1588 | void DecodeSignal::create_decode_segment() | |
1589 | { | |
1590 | // Create annotation segment | |
1591 | segments_.emplace_back(); | |
1592 | ||
1593 | // Add annotation classes | |
1594 | for (const shared_ptr<Decoder>& dec : stack_) | |
1595 | for (Row* row : dec->get_rows()) | |
1596 | segments_.back().annotation_rows.emplace(row, RowData(row)); | |
1597 | ||
1598 | // Prepare our binary output classes | |
1599 | for (const shared_ptr<Decoder>& dec : stack_) { | |
1600 | uint32_t n = dec->get_binary_class_count(); | |
1601 | ||
1602 | for (uint32_t i = 0; i < n; i++) | |
1603 | segments_.back().binary_classes.push_back( | |
1604 | {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()}); | |
1605 | } | |
1606 | } | |
1607 | ||
1608 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) | |
1609 | { | |
1610 | assert(pdata); | |
1611 | assert(decode_signal); | |
1612 | ||
1613 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1614 | assert(ds); | |
1615 | ||
1616 | if (ds->decode_interrupt_) | |
1617 | return; | |
1618 | ||
1619 | if (ds->segments_.empty()) | |
1620 | return; | |
1621 | ||
1622 | lock_guard<mutex> lock(ds->output_mutex_); | |
1623 | ||
1624 | // Get the decoder and the annotation data | |
1625 | assert(pdata->pdo); | |
1626 | assert(pdata->pdo->di); | |
1627 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; | |
1628 | assert(srd_dec); | |
1629 | ||
1630 | const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data; | |
1631 | assert(pda); | |
1632 | ||
1633 | // Find the row | |
1634 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); | |
1635 | assert(dec); | |
1636 | ||
1637 | AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class); | |
1638 | if (!ann_class) { | |
1639 | qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" << | |
1640 | "with class ID" << pda->ann_class << "but there are only" << | |
1641 | dec->ann_classes().size() << "known classes"; | |
1642 | return; | |
1643 | } | |
1644 | ||
1645 | const Row* row = ann_class->row; | |
1646 | ||
1647 | if (!row) | |
1648 | row = dec->get_row_by_id(0); | |
1649 | ||
1650 | RowData& row_data = ds->segments_[ds->current_segment_id_].annotation_rows.at(row); | |
1651 | ||
1652 | // Add the annotation to the row | |
1653 | const Annotation* ann = row_data.emplace_annotation(pdata); | |
1654 | ||
1655 | // We insert the annotation into the global annotation list in a way so that | |
1656 | // the annotation list is sorted by start sample and length. Otherwise, we'd | |
1657 | // have to sort the model, which is expensive | |
1658 | deque<const Annotation*>& all_annotations = | |
1659 | ds->segments_[ds->current_segment_id_].all_annotations; | |
1660 | ||
1661 | if (all_annotations.empty()) { | |
1662 | all_annotations.emplace_back(ann); | |
1663 | } else { | |
1664 | const uint64_t new_ann_len = (pdata->end_sample - pdata->start_sample); | |
1665 | bool ann_has_earlier_start = (pdata->start_sample < all_annotations.back()->start_sample()); | |
1666 | bool ann_is_longer = (new_ann_len > | |
1667 | (all_annotations.back()->end_sample() - all_annotations.back()->start_sample())); | |
1668 | ||
1669 | if (ann_has_earlier_start && ann_is_longer) { | |
1670 | bool ann_has_same_start; | |
1671 | auto it = all_annotations.end(); | |
1672 | ||
1673 | do { | |
1674 | it--; | |
1675 | ann_has_earlier_start = (pdata->start_sample < (*it)->start_sample()); | |
1676 | ann_has_same_start = (pdata->start_sample == (*it)->start_sample()); | |
1677 | ann_is_longer = (new_ann_len > (*it)->length()); | |
1678 | } while ((ann_has_earlier_start || (ann_has_same_start && ann_is_longer)) && (it != all_annotations.begin())); | |
1679 | ||
1680 | // Allow inserting at the front | |
1681 | if (it != all_annotations.begin()) | |
1682 | it++; | |
1683 | ||
1684 | all_annotations.emplace(it, ann); | |
1685 | } else | |
1686 | all_annotations.emplace_back(ann); | |
1687 | } | |
1688 | ||
1689 | // When emplace_annotation() inserts instead of appends an annotation, | |
1690 | // the pointers in all_annotations that follow the inserted annotation and | |
1691 | // point to annotations for this row are off by one and must be updated | |
1692 | if (&(row_data.annotations().back()) != ann) { | |
1693 | // Search backwards until we find the annotation we just added | |
1694 | auto row_it = row_data.annotations().end(); | |
1695 | auto all_it = all_annotations.end(); | |
1696 | do { | |
1697 | all_it--; | |
1698 | if ((*all_it)->row_data() == &row_data) | |
1699 | row_it--; | |
1700 | } while (&(*row_it) != ann); | |
1701 | ||
1702 | // Update the annotation addresses for this row's annotations until the end | |
1703 | do { | |
1704 | if ((*all_it)->row_data() == &row_data) { | |
1705 | *all_it = &(*row_it); | |
1706 | row_it++; | |
1707 | } | |
1708 | all_it++; | |
1709 | } while (all_it != all_annotations.end()); | |
1710 | } | |
1711 | } | |
1712 | ||
1713 | void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal) | |
1714 | { | |
1715 | assert(pdata); | |
1716 | assert(decode_signal); | |
1717 | ||
1718 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1719 | assert(ds); | |
1720 | ||
1721 | if (ds->decode_interrupt_) | |
1722 | return; | |
1723 | ||
1724 | // Get the decoder and the binary data | |
1725 | assert(pdata->pdo); | |
1726 | assert(pdata->pdo->di); | |
1727 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; | |
1728 | assert(srd_dec); | |
1729 | ||
1730 | const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data; | |
1731 | assert(pdb); | |
1732 | ||
1733 | // Find the matching DecodeBinaryClass | |
1734 | DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_)); | |
1735 | ||
1736 | DecodeBinaryClass* bin_class = nullptr; | |
1737 | for (DecodeBinaryClass& bc : segment->binary_classes) | |
1738 | if ((bc.decoder->get_srd_decoder() == srd_dec) && | |
1739 | (bc.info->bin_class_id == (uint32_t)pdb->bin_class)) | |
1740 | bin_class = &bc; | |
1741 | ||
1742 | if (!bin_class) { | |
1743 | qWarning() << "Could not find valid DecodeBinaryClass in segment" << | |
1744 | ds->current_segment_id_ << "for binary class ID" << pdb->bin_class << | |
1745 | ", segment only knows" << segment->binary_classes.size() << "classes"; | |
1746 | return; | |
1747 | } | |
1748 | ||
1749 | // Add the data chunk | |
1750 | bin_class->chunks.emplace_back(); | |
1751 | DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back()); | |
1752 | ||
1753 | chunk->sample = pdata->start_sample; | |
1754 | chunk->data.resize(pdb->size); | |
1755 | memcpy(chunk->data.data(), pdb->data, pdb->size); | |
1756 | ||
1757 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); | |
1758 | ||
1759 | ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class); | |
1760 | } | |
1761 | ||
1762 | void DecodeSignal::logic_output_callback(srd_proto_data *pdata, void *decode_signal) | |
1763 | { | |
1764 | assert(pdata); | |
1765 | assert(decode_signal); | |
1766 | ||
1767 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1768 | assert(ds); | |
1769 | ||
1770 | if (ds->decode_interrupt_) | |
1771 | return; | |
1772 | ||
1773 | lock_guard<mutex> lock(ds->output_mutex_); | |
1774 | ||
1775 | assert(pdata->pdo); | |
1776 | assert(pdata->pdo->di); | |
1777 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
1778 | assert(decc); | |
1779 | ||
1780 | const srd_proto_data_logic *const pdl = (const srd_proto_data_logic*)pdata->data; | |
1781 | assert(pdl); | |
1782 | ||
1783 | // FIXME Only one group supported for now | |
1784 | if (pdl->logic_group > 0) { | |
1785 | qWarning() << "Received logic output state change for group" << pdl->logic_group << "from decoder" \ | |
1786 | << QString::fromUtf8(decc->name) << "but only group 0 is currently supported"; | |
1787 | return; | |
1788 | } | |
1789 | ||
1790 | shared_ptr<Logic> output_logic = ds->output_logic_.at(decc); | |
1791 | ||
1792 | vector< shared_ptr<Segment> > segments = output_logic->segments(); | |
1793 | ||
1794 | shared_ptr<LogicSegment> last_segment; | |
1795 | ||
1796 | if (!segments.empty()) | |
1797 | last_segment = dynamic_pointer_cast<LogicSegment>(segments.back()); | |
1798 | else { | |
1799 | // Happens when the data was cleared - all segments are gone then | |
1800 | // segment_id is always 0 as it's the first segment | |
1801 | last_segment = make_shared<data::LogicSegment>( | |
1802 | *output_logic, 0, (output_logic->num_channels() + 7) / 8, output_logic->get_samplerate()); | |
1803 | output_logic->push_segment(last_segment); | |
1804 | } | |
1805 | ||
1806 | if (pdata->start_sample < pdata->end_sample) { | |
1807 | vector<uint8_t> data; | |
1808 | const unsigned int unit_size = last_segment->unit_size(); | |
1809 | data.resize(unit_size * (1 + pdl->repeat_count)); | |
1810 | ||
1811 | if (unit_size == 1) | |
1812 | for (unsigned int i = 0; i <= pdl->repeat_count; i++) | |
1813 | data.data()[i * unit_size] = *((uint8_t*)pdl->data); | |
1814 | else if (unit_size == 2) | |
1815 | for (unsigned int i = 0; i <= pdl->repeat_count; i++) | |
1816 | data.data()[i * unit_size] = *((uint16_t*)pdl->data); | |
1817 | else if (unit_size <= 4) | |
1818 | for (unsigned int i = 0; i <= pdl->repeat_count; i++) | |
1819 | data.data()[i * unit_size] = *((uint32_t*)pdl->data); | |
1820 | else if (unit_size <= 8) | |
1821 | for (unsigned int i = 0; i <= pdl->repeat_count; i++) | |
1822 | data.data()[i * unit_size] = *((uint64_t*)pdl->data); | |
1823 | else | |
1824 | for (unsigned int i = 0; i <= pdl->repeat_count; i++) | |
1825 | memcpy((void*)&data.data()[i * unit_size], (void*)pdl->data, unit_size); | |
1826 | ||
1827 | last_segment->append_payload(data.data(), data.size()); | |
1828 | } else | |
1829 | qWarning() << "Ignoring malformed logic output state change for group" << pdl->logic_group << "from decoder" \ | |
1830 | << QString::fromUtf8(decc->name) << "from" << pdata->start_sample << "to" << pdata->end_sample; | |
1831 | } | |
1832 | ||
1833 | void DecodeSignal::on_capture_state_changed(int state) | |
1834 | { | |
1835 | // If a new acquisition was started, we need to start decoding from scratch | |
1836 | if (state == Session::Running) { | |
1837 | logic_mux_data_invalid_ = true; | |
1838 | begin_decode(); | |
1839 | } | |
1840 | } | |
1841 | ||
1842 | void DecodeSignal::on_data_cleared() | |
1843 | { | |
1844 | reset_decode(); | |
1845 | } | |
1846 | ||
1847 | void DecodeSignal::on_data_received() | |
1848 | { | |
1849 | // If we detected a lack of input data when trying to start decoding, | |
1850 | // we have set an error message. Bail out if we still don't have data | |
1851 | // to work with | |
1852 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1853 | return; | |
1854 | ||
1855 | if (!error_message_.isEmpty()) { | |
1856 | error_message_.clear(); | |
1857 | // TODO Emulate noquote() | |
1858 | qDebug().nospace() << name() << ": Input data available, error cleared"; | |
1859 | } | |
1860 | ||
1861 | if (!logic_mux_thread_.joinable()) | |
1862 | begin_decode(); | |
1863 | else | |
1864 | logic_mux_cond_.notify_one(); | |
1865 | } | |
1866 | ||
1867 | void DecodeSignal::on_input_segment_completed() | |
1868 | { | |
1869 | if (!logic_mux_thread_.joinable()) | |
1870 | logic_mux_cond_.notify_one(); | |
1871 | } | |
1872 | ||
1873 | void DecodeSignal::on_annotation_visibility_changed() | |
1874 | { | |
1875 | annotation_visibility_changed(); | |
1876 | } | |
1877 | ||
1878 | } // namespace data | |
1879 | } // namespace pv |