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ad908057 SA |
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 | ||
0c5fe73e SA |
20 | #include <limits> |
21 | ||
47747218 SA |
22 | #include <QDebug> |
23 | ||
ad908057 SA |
24 | #include "logic.hpp" |
25 | #include "logicsegment.hpp" | |
26 | #include "decodesignal.hpp" | |
27 | #include "signaldata.hpp" | |
28 | ||
29 | #include <pv/binding/decoder.hpp> | |
30 | #include <pv/data/decode/decoder.hpp> | |
ecd07c20 | 31 | #include <pv/data/decode/row.hpp> |
d3feec23 | 32 | #include <pv/globalsettings.hpp> |
ad908057 SA |
33 | #include <pv/session.hpp> |
34 | ||
47747218 SA |
35 | using std::lock_guard; |
36 | using std::make_pair; | |
ad908057 | 37 | using std::make_shared; |
0c5fe73e | 38 | using std::min; |
5ecf957f | 39 | using std::out_of_range; |
ad908057 | 40 | using std::shared_ptr; |
47747218 SA |
41 | using std::unique_lock; |
42 | using pv::data::decode::Annotation; | |
ad908057 | 43 | using pv::data::decode::Decoder; |
ecd07c20 | 44 | using pv::data::decode::Row; |
ad908057 SA |
45 | |
46 | namespace pv { | |
47 | namespace data { | |
48 | ||
47747218 SA |
49 | const double DecodeSignal::DecodeMargin = 1.0; |
50 | const double DecodeSignal::DecodeThreshold = 0.2; | |
3fbddf7f | 51 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; |
ad908057 | 52 | |
ad908057 | 53 | |
47747218 SA |
54 | DecodeSignal::DecodeSignal(pv::Session &session) : |
55 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
56 | session_(session), | |
e91883bb | 57 | srd_session_(nullptr), |
47747218 | 58 | logic_mux_data_invalid_(false), |
e3202557 | 59 | stack_config_changed_(true), |
8a603e13 | 60 | current_segment_id_(0) |
ad908057 | 61 | { |
47747218 SA |
62 | connect(&session_, SIGNAL(capture_state_changed(int)), |
63 | this, SLOT(on_capture_state_changed(int))); | |
ad908057 SA |
64 | } |
65 | ||
47747218 | 66 | DecodeSignal::~DecodeSignal() |
ad908057 | 67 | { |
8ce0e732 | 68 | reset_decode(true); |
ad908057 SA |
69 | } |
70 | ||
47747218 | 71 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const |
ecd07c20 | 72 | { |
47747218 | 73 | return stack_; |
ecd07c20 SA |
74 | } |
75 | ||
c8e60bdf | 76 | void DecodeSignal::stack_decoder(const srd_decoder *decoder) |
ad908057 SA |
77 | { |
78 | assert(decoder); | |
762ab7a4 SA |
79 | const shared_ptr<Decoder> dec = make_shared<decode::Decoder>(decoder); |
80 | ||
81 | stack_.push_back(dec); | |
47747218 SA |
82 | |
83 | // Set name if this decoder is the first in the list | |
84 | if (stack_.size() == 1) | |
85 | set_name(QString::fromUtf8(decoder->name)); | |
132a5c6d | 86 | |
27a3f09b | 87 | // Include the newly created decode channels in the channel lists |
9f97b357 | 88 | update_channel_list(); |
132a5c6d | 89 | |
e3202557 | 90 | stack_config_changed_ = true; |
762ab7a4 | 91 | auto_assign_signals(dec); |
27a3f09b | 92 | commit_decoder_channels(); |
47747218 | 93 | begin_decode(); |
ad908057 SA |
94 | } |
95 | ||
96 | void DecodeSignal::remove_decoder(int index) | |
97 | { | |
47747218 SA |
98 | assert(index >= 0); |
99 | assert(index < (int)stack_.size()); | |
100 | ||
101 | // Find the decoder in the stack | |
102 | auto iter = stack_.begin(); | |
103 | for (int i = 0; i < index; i++, iter++) | |
104 | assert(iter != stack_.end()); | |
105 | ||
106 | // Delete the element | |
107 | stack_.erase(iter); | |
108 | ||
109 | // Update channels and decoded data | |
e3202557 | 110 | stack_config_changed_ = true; |
9f97b357 | 111 | update_channel_list(); |
47747218 | 112 | begin_decode(); |
ad908057 SA |
113 | } |
114 | ||
115 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
116 | { | |
47747218 | 117 | auto iter = stack_.cbegin(); |
ad908057 | 118 | for (int i = 0; i < index; i++, iter++) |
47747218 | 119 | assert(iter != stack_.end()); |
ad908057 SA |
120 | |
121 | shared_ptr<Decoder> dec = *iter; | |
122 | ||
123 | // Toggle decoder visibility | |
124 | bool state = false; | |
125 | if (dec) { | |
126 | state = !dec->shown(); | |
127 | dec->show(state); | |
128 | } | |
129 | ||
130 | return state; | |
131 | } | |
132 | ||
8ce0e732 | 133 | void DecodeSignal::reset_decode(bool shutting_down) |
47747218 | 134 | { |
8ce0e732 | 135 | if (stack_config_changed_ || shutting_down) |
e3202557 SA |
136 | stop_srd_session(); |
137 | else | |
138 | terminate_srd_session(); | |
ce0b6a40 | 139 | |
1b56c646 SA |
140 | if (decode_thread_.joinable()) { |
141 | decode_interrupt_ = true; | |
142 | decode_input_cond_.notify_one(); | |
143 | decode_thread_.join(); | |
144 | } | |
145 | ||
146 | if (logic_mux_thread_.joinable()) { | |
147 | logic_mux_interrupt_ = true; | |
148 | logic_mux_cond_.notify_one(); | |
149 | logic_mux_thread_.join(); | |
150 | } | |
151 | ||
47747218 | 152 | class_rows_.clear(); |
8a603e13 | 153 | current_segment_id_ = 0; |
72435789 | 154 | segments_.clear(); |
1b56c646 SA |
155 | |
156 | logic_mux_data_.reset(); | |
157 | logic_mux_data_invalid_ = true; | |
eee3eab9 | 158 | |
403c3e87 SA |
159 | if (!error_message_.isEmpty()) { |
160 | error_message_ = QString(); | |
161 | qDebug().noquote().nospace() << name() << ": Error cleared"; | |
162 | } | |
72435789 | 163 | |
eee3eab9 | 164 | decode_reset(); |
47747218 SA |
165 | } |
166 | ||
946b52e1 SA |
167 | void DecodeSignal::begin_decode() |
168 | { | |
47747218 SA |
169 | if (decode_thread_.joinable()) { |
170 | decode_interrupt_ = true; | |
171 | decode_input_cond_.notify_one(); | |
172 | decode_thread_.join(); | |
173 | } | |
174 | ||
175 | if (logic_mux_thread_.joinable()) { | |
176 | logic_mux_interrupt_ = true; | |
177 | logic_mux_cond_.notify_one(); | |
178 | logic_mux_thread_.join(); | |
179 | } | |
180 | ||
181 | reset_decode(); | |
182 | ||
27a3f09b | 183 | if (stack_.size() == 0) { |
403c3e87 | 184 | set_error_message(tr("No decoders")); |
27a3f09b SA |
185 | return; |
186 | } | |
187 | ||
188 | assert(channels_.size() > 0); | |
189 | ||
190 | if (get_assigned_signal_count() == 0) { | |
403c3e87 | 191 | set_error_message(tr("There are no channels assigned to this decoder")); |
27a3f09b SA |
192 | return; |
193 | } | |
194 | ||
04627946 SA |
195 | // Make sure that all assigned channels still provide logic data |
196 | // (can happen when a converted signal was assigned but the | |
197 | // conversion removed in the meanwhile) | |
198 | for (data::DecodeChannel &ch : channels_) | |
199 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) | |
200 | ch.assigned_signal = nullptr; | |
201 | ||
47747218 SA |
202 | // Check that all decoders have the required channels |
203 | for (const shared_ptr<decode::Decoder> &dec : stack_) | |
204 | if (!dec->have_required_channels()) { | |
403c3e87 SA |
205 | set_error_message(tr("One or more required channels " |
206 | "have not been specified")); | |
47747218 SA |
207 | return; |
208 | } | |
209 | ||
4913560f | 210 | // Map out all the annotation classes |
47747218 SA |
211 | for (const shared_ptr<decode::Decoder> &dec : stack_) { |
212 | assert(dec); | |
213 | const srd_decoder *const decc = dec->decoder(); | |
214 | assert(dec->decoder()); | |
215 | ||
47747218 SA |
216 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { |
217 | const srd_decoder_annotation_row *const ann_row = | |
218 | (srd_decoder_annotation_row *)l->data; | |
219 | assert(ann_row); | |
220 | ||
221 | const Row row(decc, ann_row); | |
222 | ||
47747218 SA |
223 | for (const GSList *ll = ann_row->ann_classes; |
224 | ll; ll = ll->next) | |
225 | class_rows_[make_pair(decc, | |
226 | GPOINTER_TO_INT(ll->data))] = row; | |
227 | } | |
228 | } | |
229 | ||
27a3f09b SA |
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_) { | |
72435789 | 235 | const uint32_t ch_count = get_assigned_signal_count(); |
ed535cd7 | 236 | logic_mux_unit_size_ = (ch_count + 7) / 8; |
27a3f09b | 237 | logic_mux_data_ = make_shared<Logic>(ch_count); |
27a3f09b | 238 | } |
47747218 | 239 | |
ed535cd7 SA |
240 | // Receive notifications when new sample data is available |
241 | connect_input_notifiers(); | |
242 | ||
8a603e13 | 243 | if (get_input_segment_count() == 0) { |
403c3e87 | 244 | set_error_message(tr("No input data")); |
ed535cd7 SA |
245 | return; |
246 | } | |
247 | ||
27a3f09b SA |
248 | // Make sure the logic output data is complete and up-to-date |
249 | logic_mux_interrupt_ = false; | |
250 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
251 | ||
252 | // Decode the muxed logic data | |
47747218 SA |
253 | decode_interrupt_ = false; |
254 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
255 | } |
256 | ||
ecd07c20 SA |
257 | QString DecodeSignal::error_message() const |
258 | { | |
47747218 SA |
259 | lock_guard<mutex> lock(output_mutex_); |
260 | return error_message_; | |
ecd07c20 SA |
261 | } |
262 | ||
47747218 | 263 | const vector<data::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
264 | { |
265 | return channels_; | |
266 | } | |
267 | ||
762ab7a4 | 268 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) |
132a5c6d | 269 | { |
47747218 SA |
270 | bool new_assignment = false; |
271 | ||
132a5c6d SA |
272 | // Try to auto-select channels that don't have signals assigned yet |
273 | for (data::DecodeChannel &ch : channels_) { | |
762ab7a4 SA |
274 | // If a decoder is given, auto-assign only its channels |
275 | if (dec && (ch.decoder_ != dec)) | |
276 | continue; | |
277 | ||
132a5c6d SA |
278 | if (ch.assigned_signal) |
279 | continue; | |
280 | ||
692f6093 SA |
281 | for (shared_ptr<data::SignalBase> s : session_.signalbases()) { |
282 | const QString ch_name = ch.name.toLower(); | |
283 | const QString s_name = s->name().toLower(); | |
284 | ||
285 | if (s->logic_data() && | |
286 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
132a5c6d | 287 | ch.assigned_signal = s.get(); |
47747218 SA |
288 | new_assignment = true; |
289 | } | |
692f6093 | 290 | } |
47747218 SA |
291 | } |
292 | ||
293 | if (new_assignment) { | |
294 | logic_mux_data_invalid_ = true; | |
e3202557 | 295 | stack_config_changed_ = true; |
27a3f09b | 296 | commit_decoder_channels(); |
47747218 | 297 | channels_updated(); |
132a5c6d SA |
298 | } |
299 | } | |
300 | ||
9f97b357 SA |
301 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
302 | { | |
303 | for (data::DecodeChannel &ch : channels_) | |
47747218 | 304 | if (ch.id == channel_id) { |
9f97b357 | 305 | ch.assigned_signal = signal; |
47747218 SA |
306 | logic_mux_data_invalid_ = true; |
307 | } | |
9f97b357 | 308 | |
e3202557 | 309 | stack_config_changed_ = true; |
27a3f09b | 310 | commit_decoder_channels(); |
9f97b357 | 311 | channels_updated(); |
47747218 | 312 | begin_decode(); |
9f97b357 SA |
313 | } |
314 | ||
27a3f09b SA |
315 | int DecodeSignal::get_assigned_signal_count() const |
316 | { | |
317 | // Count all channels that have a signal assigned to them | |
318 | return count_if(channels_.begin(), channels_.end(), | |
319 | [](data::DecodeChannel ch) { return ch.assigned_signal; }); | |
320 | } | |
321 | ||
9f97b357 SA |
322 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) |
323 | { | |
324 | for (data::DecodeChannel &ch : channels_) | |
325 | if (ch.id == channel_id) | |
326 | ch.initial_pin_state = init_state; | |
327 | ||
e3202557 | 328 | stack_config_changed_ = true; |
9f97b357 | 329 | channels_updated(); |
47747218 | 330 | begin_decode(); |
9f97b357 SA |
331 | } |
332 | ||
ff83d980 SA |
333 | double DecodeSignal::samplerate() const |
334 | { | |
72435789 SA |
335 | double result = 0; |
336 | ||
337 | // TODO For now, we simply return the first samplerate that we have | |
8a603e13 SA |
338 | if (segments_.size() > 0) |
339 | result = segments_.front().samplerate; | |
72435789 SA |
340 | |
341 | return result; | |
ff83d980 SA |
342 | } |
343 | ||
72435789 | 344 | const pv::util::Timestamp DecodeSignal::start_time() const |
ff83d980 | 345 | { |
72435789 SA |
346 | pv::util::Timestamp result; |
347 | ||
348 | // TODO For now, we simply return the first start time that we have | |
8a603e13 SA |
349 | if (segments_.size() > 0) |
350 | result = segments_.front().start_time; | |
72435789 SA |
351 | |
352 | return result; | |
ff83d980 SA |
353 | } |
354 | ||
5ecf957f | 355 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const |
0c5fe73e SA |
356 | { |
357 | // The working sample count is the highest sample number for | |
ed535cd7 SA |
358 | // which all used signals have data available, so go through all |
359 | // channels and use the lowest overall sample count of the segment | |
0c5fe73e | 360 | |
0c5fe73e SA |
361 | int64_t count = std::numeric_limits<int64_t>::max(); |
362 | bool no_signals_assigned = true; | |
363 | ||
364 | for (const data::DecodeChannel &ch : channels_) | |
365 | if (ch.assigned_signal) { | |
366 | no_signals_assigned = false; | |
367 | ||
368 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
369 | if (!logic_data || logic_data->logic_segments().empty()) | |
370 | return 0; | |
371 | ||
5ecf957f SA |
372 | try { |
373 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
374 | count = min(count, (int64_t)segment->get_sample_count()); | |
30677c13 | 375 | } catch (out_of_range&) { |
5ecf957f SA |
376 | return 0; |
377 | } | |
0c5fe73e SA |
378 | } |
379 | ||
380 | return (no_signals_assigned ? 0 : count); | |
381 | } | |
382 | ||
5ecf957f | 383 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id) const |
ff83d980 | 384 | { |
47747218 | 385 | lock_guard<mutex> decode_lock(output_mutex_); |
5ecf957f SA |
386 | |
387 | int64_t result = 0; | |
388 | ||
72435789 SA |
389 | try { |
390 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
391 | result = segment->samples_decoded; | |
30677c13 | 392 | } catch (out_of_range&) { |
72435789 SA |
393 | // Do nothing |
394 | } | |
5ecf957f SA |
395 | |
396 | return result; | |
ff83d980 SA |
397 | } |
398 | ||
ecd07c20 SA |
399 | vector<Row> DecodeSignal::visible_rows() const |
400 | { | |
47747218 SA |
401 | lock_guard<mutex> lock(output_mutex_); |
402 | ||
403 | vector<Row> rows; | |
404 | ||
405 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
406 | assert(dec); | |
407 | if (!dec->shown()) | |
408 | continue; | |
409 | ||
410 | const srd_decoder *const decc = dec->decoder(); | |
411 | assert(dec->decoder()); | |
412 | ||
413 | // Add a row for the decoder if it doesn't have a row list | |
414 | if (!decc->annotation_rows) | |
415 | rows.emplace_back(decc); | |
416 | ||
417 | // Add the decoder rows | |
418 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
419 | const srd_decoder_annotation_row *const ann_row = | |
420 | (srd_decoder_annotation_row *)l->data; | |
421 | assert(ann_row); | |
422 | rows.emplace_back(decc, ann_row); | |
423 | } | |
424 | } | |
425 | ||
426 | return rows; | |
ecd07c20 SA |
427 | } |
428 | ||
429 | void DecodeSignal::get_annotation_subset( | |
430 | vector<pv::data::decode::Annotation> &dest, | |
72435789 | 431 | const decode::Row &row, uint32_t segment_id, uint64_t start_sample, |
ecd07c20 SA |
432 | uint64_t end_sample) const |
433 | { | |
47747218 SA |
434 | lock_guard<mutex> lock(output_mutex_); |
435 | ||
72435789 SA |
436 | try { |
437 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
438 | const map<const decode::Row, decode::RowData> *rows = | |
439 | &(segment->annotation_rows); | |
440 | ||
441 | const auto iter = rows->find(row); | |
442 | if (iter != rows->end()) | |
443 | (*iter).second.get_annotation_subset(dest, | |
444 | start_sample, end_sample); | |
30677c13 | 445 | } catch (out_of_range&) { |
72435789 SA |
446 | // Do nothing |
447 | } | |
47747218 SA |
448 | } |
449 | ||
450 | void DecodeSignal::save_settings(QSettings &settings) const | |
451 | { | |
452 | SignalBase::save_settings(settings); | |
453 | ||
c8e60bdf SA |
454 | settings.setValue("decoders", (int)(stack_.size())); |
455 | ||
8b5ea5a1 | 456 | // Save decoder stack |
c8e60bdf SA |
457 | int decoder_idx = 0; |
458 | for (shared_ptr<decode::Decoder> decoder : stack_) { | |
459 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); | |
460 | ||
461 | settings.setValue("id", decoder->decoder()->id); | |
462 | ||
d3feec23 SA |
463 | // Save decoder options |
464 | const map<string, GVariant*>& options = decoder->options(); | |
465 | ||
466 | settings.setValue("options", (int)options.size()); | |
467 | ||
468 | // Note: decode::Decoder::options() returns only the options | |
469 | // that differ from the default. See binding::Decoder::getter() | |
470 | int i = 0; | |
471 | for (auto option : options) { | |
472 | settings.beginGroup("option" + QString::number(i)); | |
473 | settings.setValue("name", QString::fromStdString(option.first)); | |
474 | GlobalSettings::store_gvariant(settings, option.second); | |
475 | settings.endGroup(); | |
476 | i++; | |
477 | } | |
478 | ||
c8e60bdf SA |
479 | settings.endGroup(); |
480 | } | |
481 | ||
8b5ea5a1 SA |
482 | // Save channel mapping |
483 | settings.setValue("channels", (int)channels_.size()); | |
484 | ||
485 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
486 | auto channel = find_if(channels_.begin(), channels_.end(), | |
487 | [&](data::DecodeChannel ch) { return ch.id == channel_id; }); | |
488 | ||
489 | if (channel == channels_.end()) { | |
490 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
491 | continue; | |
492 | } | |
493 | ||
494 | settings.beginGroup("channel" + QString::number(channel_id)); | |
495 | ||
496 | settings.setValue("name", channel->name); // Useful for debugging | |
497 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
498 | ||
499 | if (channel->assigned_signal) | |
500 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
501 | ||
502 | settings.endGroup(); | |
503 | } | |
47747218 SA |
504 | } |
505 | ||
506 | void DecodeSignal::restore_settings(QSettings &settings) | |
507 | { | |
508 | SignalBase::restore_settings(settings); | |
509 | ||
8b5ea5a1 | 510 | // Restore decoder stack |
c8e60bdf SA |
511 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); |
512 | ||
513 | int decoders = settings.value("decoders").toInt(); | |
514 | ||
515 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
516 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
517 | ||
518 | QString id = settings.value("id").toString(); | |
519 | ||
520 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
521 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
522 | if (!dec) | |
523 | continue; | |
524 | ||
525 | if (QString::fromUtf8(dec->id) == id) { | |
d3feec23 SA |
526 | shared_ptr<decode::Decoder> decoder = |
527 | make_shared<decode::Decoder>(dec); | |
528 | ||
529 | stack_.push_back(decoder); | |
530 | ||
531 | // Restore decoder options that differ from their default | |
532 | int options = settings.value("options").toInt(); | |
533 | ||
534 | for (int i = 0; i < options; i++) { | |
535 | settings.beginGroup("option" + QString::number(i)); | |
536 | QString name = settings.value("name").toString(); | |
537 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
538 | decoder->set_option(name.toUtf8(), value); | |
539 | settings.endGroup(); | |
540 | } | |
c8e60bdf SA |
541 | |
542 | // Include the newly created decode channels in the channel lists | |
543 | update_channel_list(); | |
544 | break; | |
545 | } | |
546 | } | |
547 | ||
548 | settings.endGroup(); | |
4ca06ec3 | 549 | channels_updated(); |
c8e60bdf SA |
550 | } |
551 | ||
8b5ea5a1 SA |
552 | // Restore channel mapping |
553 | unsigned int channels = settings.value("channels").toInt(); | |
554 | ||
555 | const unordered_set< shared_ptr<data::SignalBase> > signalbases = | |
556 | session_.signalbases(); | |
557 | ||
558 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
559 | auto channel = find_if(channels_.begin(), channels_.end(), | |
560 | [&](data::DecodeChannel ch) { return ch.id == channel_id; }); | |
561 | ||
562 | if (channel == channels_.end()) { | |
563 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
564 | continue; | |
565 | } | |
566 | ||
567 | settings.beginGroup("channel" + QString::number(channel_id)); | |
568 | ||
569 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
570 | ||
571 | for (shared_ptr<data::SignalBase> signal : signalbases) | |
572 | if (signal->name() == assigned_signal_name) | |
573 | channel->assigned_signal = signal.get(); | |
574 | ||
575 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
576 | ||
577 | settings.endGroup(); | |
578 | } | |
579 | ||
aa71890d | 580 | // Update the internal structures |
e3202557 | 581 | stack_config_changed_ = true; |
aa71890d SA |
582 | update_channel_list(); |
583 | commit_decoder_channels(); | |
584 | ||
8b5ea5a1 | 585 | begin_decode(); |
47747218 SA |
586 | } |
587 | ||
403c3e87 SA |
588 | void DecodeSignal::set_error_message(QString msg) |
589 | { | |
590 | error_message_ = msg; | |
591 | qDebug().noquote().nospace() << name() << ": " << msg; | |
592 | } | |
593 | ||
8a603e13 SA |
594 | uint32_t DecodeSignal::get_input_segment_count() const |
595 | { | |
596 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
597 | bool no_signals_assigned = true; | |
598 | ||
599 | for (const data::DecodeChannel &ch : channels_) | |
600 | if (ch.assigned_signal) { | |
601 | no_signals_assigned = false; | |
602 | ||
603 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
604 | if (!logic_data || logic_data->logic_segments().empty()) | |
605 | return 0; | |
606 | ||
607 | // Find the min value of all segment counts | |
608 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
609 | count = logic_data->logic_segments().size(); | |
610 | } | |
611 | ||
612 | return (no_signals_assigned ? 0 : count); | |
613 | } | |
614 | ||
615 | uint32_t DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
616 | { | |
617 | double samplerate = 0; | |
618 | ||
619 | for (const data::DecodeChannel &ch : channels_) | |
620 | if (ch.assigned_signal) { | |
621 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
622 | if (!logic_data || logic_data->logic_segments().empty()) | |
623 | continue; | |
624 | ||
625 | try { | |
626 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
627 | samplerate = segment->samplerate(); | |
30677c13 | 628 | } catch (out_of_range&) { |
8a603e13 SA |
629 | // Do nothing |
630 | } | |
631 | break; | |
632 | } | |
633 | ||
634 | return samplerate; | |
635 | } | |
636 | ||
9f97b357 SA |
637 | void DecodeSignal::update_channel_list() |
638 | { | |
47747218 | 639 | vector<data::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
640 | channels_.clear(); |
641 | ||
642 | uint16_t id = 0; | |
643 | ||
644 | // Copy existing entries, create new as needed | |
47747218 | 645 | for (shared_ptr<Decoder> decoder : stack_) { |
9f97b357 SA |
646 | const srd_decoder* srd_d = decoder->decoder(); |
647 | const GSList *l; | |
648 | ||
649 | // Mandatory channels | |
650 | for (l = srd_d->channels; l; l = l->next) { | |
651 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
652 | bool ch_added = false; | |
653 | ||
654 | // Copy but update ID if this channel was in the list before | |
47747218 | 655 | for (data::DecodeChannel &ch : prev_channels) |
9f97b357 SA |
656 | if (ch.pdch_ == pdch) { |
657 | ch.id = id++; | |
658 | channels_.push_back(ch); | |
659 | ch_added = true; | |
660 | break; | |
661 | } | |
662 | ||
663 | if (!ch_added) { | |
664 | // Create new entry without a mapped signal | |
6e7a4a00 | 665 | data::DecodeChannel ch = {id++, 0, false, nullptr, |
9f97b357 SA |
666 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
667 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
668 | channels_.push_back(ch); | |
669 | } | |
670 | } | |
671 | ||
672 | // Optional channels | |
673 | for (l = srd_d->opt_channels; l; l = l->next) { | |
674 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
675 | bool ch_added = false; | |
676 | ||
677 | // Copy but update ID if this channel was in the list before | |
47747218 | 678 | for (data::DecodeChannel &ch : prev_channels) |
9f97b357 SA |
679 | if (ch.pdch_ == pdch) { |
680 | ch.id = id++; | |
681 | channels_.push_back(ch); | |
682 | ch_added = true; | |
683 | break; | |
684 | } | |
685 | ||
686 | if (!ch_added) { | |
687 | // Create new entry without a mapped signal | |
6e7a4a00 | 688 | data::DecodeChannel ch = {id++, 0, true, nullptr, |
9f97b357 SA |
689 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
690 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
691 | channels_.push_back(ch); | |
692 | } | |
693 | } | |
694 | } | |
695 | ||
47747218 SA |
696 | // Invalidate the logic output data if the channel assignment changed |
697 | if (prev_channels.size() != channels_.size()) { | |
698 | // The number of channels changed, there's definitely a difference | |
699 | logic_mux_data_invalid_ = true; | |
700 | } else { | |
701 | // Same number but assignment may still differ, so compare all channels | |
702 | for (size_t i = 0; i < channels_.size(); i++) { | |
703 | const data::DecodeChannel &p_ch = prev_channels[i]; | |
704 | const data::DecodeChannel &ch = channels_[i]; | |
705 | ||
706 | if ((p_ch.pdch_ != ch.pdch_) || | |
707 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
708 | logic_mux_data_invalid_ = true; | |
709 | break; | |
710 | } | |
711 | } | |
712 | ||
713 | } | |
714 | ||
9f97b357 SA |
715 | channels_updated(); |
716 | } | |
717 | ||
27a3f09b | 718 | void DecodeSignal::commit_decoder_channels() |
ad908057 | 719 | { |
27a3f09b SA |
720 | // Submit channel list to every decoder, containing only the relevant channels |
721 | for (shared_ptr<decode::Decoder> dec : stack_) { | |
722 | vector<data::DecodeChannel*> channel_list; | |
723 | ||
724 | for (data::DecodeChannel &ch : channels_) | |
725 | if (ch.decoder_ == dec) | |
726 | channel_list.push_back(&ch); | |
47747218 | 727 | |
27a3f09b SA |
728 | dec->set_channels(channel_list); |
729 | } | |
aa71890d SA |
730 | |
731 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
732 | int id = 0; | |
733 | for (data::DecodeChannel &ch : channels_) | |
734 | if (ch.assigned_signal) | |
735 | ch.bit_id = id++; | |
47747218 SA |
736 | } |
737 | ||
ed535cd7 | 738 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) |
47747218 | 739 | { |
27a3f09b SA |
740 | // Enforce end to be greater than start |
741 | if (end <= start) | |
742 | return; | |
743 | ||
ed535cd7 | 744 | // Fetch the channel segments and their data |
27a3f09b SA |
745 | vector<shared_ptr<LogicSegment> > segments; |
746 | vector<const uint8_t*> signal_data; | |
747 | vector<uint8_t> signal_in_bytepos; | |
748 | vector<uint8_t> signal_in_bitpos; | |
749 | ||
750 | for (data::DecodeChannel &ch : channels_) | |
751 | if (ch.assigned_signal) { | |
752 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
ed535cd7 SA |
753 | |
754 | shared_ptr<LogicSegment> segment; | |
755 | try { | |
756 | segment = logic_data->logic_segments().at(segment_id); | |
30677c13 | 757 | } catch (out_of_range&) { |
ed535cd7 SA |
758 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ |
759 | << "has no logic segment" << segment_id; | |
760 | return; | |
761 | } | |
27a3f09b | 762 | segments.push_back(segment); |
b82243f7 SA |
763 | |
764 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
765 | segment->get_samples(start, end, data); | |
766 | signal_data.push_back(data); | |
27a3f09b SA |
767 | |
768 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
769 | signal_in_bytepos.push_back(bitpos / 8); | |
770 | signal_in_bitpos.push_back(bitpos % 8); | |
771 | } | |
772 | ||
ed535cd7 SA |
773 | |
774 | shared_ptr<LogicSegment> output_segment; | |
775 | try { | |
776 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
30677c13 | 777 | } catch (out_of_range&) { |
ed535cd7 SA |
778 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ |
779 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
780 | << logic_mux_data_->logic_segments().size(); | |
781 | return; | |
782 | } | |
783 | ||
27a3f09b | 784 | // Perform the muxing of signal data into the output data |
8a603e13 | 785 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; |
27a3f09b SA |
786 | unsigned int signal_count = signal_data.size(); |
787 | ||
788 | for (int64_t sample_cnt = 0; sample_cnt < (end - start); sample_cnt++) { | |
789 | int bitpos = 0; | |
790 | uint8_t bytepos = 0; | |
791 | ||
8a603e13 SA |
792 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); |
793 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
27a3f09b | 794 | output[out_sample_pos + i] = 0; |
47747218 | 795 | |
27a3f09b SA |
796 | for (unsigned int i = 0; i < signal_count; i++) { |
797 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
798 | const uint8_t in_sample = 1 & | |
799 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
47747218 | 800 | |
27a3f09b SA |
801 | const uint8_t out_sample = output[out_sample_pos + bytepos]; |
802 | ||
803 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
804 | ||
805 | bitpos++; | |
806 | if (bitpos > 7) { | |
807 | bitpos = 0; | |
808 | bytepos++; | |
809 | } | |
810 | } | |
47747218 SA |
811 | } |
812 | ||
8a603e13 | 813 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); |
27a3f09b SA |
814 | delete[] output; |
815 | ||
816 | for (const uint8_t* data : signal_data) | |
817 | delete[] data; | |
818 | } | |
819 | ||
820 | void DecodeSignal::logic_mux_proc() | |
821 | { | |
ed535cd7 SA |
822 | uint32_t segment_id = 0; |
823 | ||
8a603e13 SA |
824 | assert(logic_mux_data_); |
825 | ||
65efd025 SA |
826 | // Create initial logic mux segment |
827 | shared_ptr<LogicSegment> output_segment = | |
85a70280 SA |
828 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
829 | logic_mux_unit_size_, 0); | |
65efd025 | 830 | logic_mux_data_->push_segment(output_segment); |
8a603e13 SA |
831 | |
832 | output_segment->set_samplerate(get_input_samplerate(0)); | |
ed535cd7 | 833 | |
27a3f09b | 834 | do { |
ed535cd7 | 835 | const uint64_t input_sample_count = get_working_sample_count(segment_id); |
8a603e13 | 836 | const uint64_t output_sample_count = output_segment->get_sample_count(); |
27a3f09b SA |
837 | |
838 | const uint64_t samples_to_process = | |
839 | (input_sample_count > output_sample_count) ? | |
840 | (input_sample_count - output_sample_count) : 0; | |
841 | ||
842 | // Process the samples if necessary... | |
843 | if (samples_to_process > 0) { | |
8a603e13 | 844 | const uint64_t unit_size = output_segment->unit_size(); |
27a3f09b SA |
845 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; |
846 | ||
847 | uint64_t processed_samples = 0; | |
848 | do { | |
849 | const uint64_t start_sample = output_sample_count + processed_samples; | |
850 | const uint64_t sample_count = | |
851 | min(samples_to_process - processed_samples, chunk_sample_count); | |
852 | ||
ed535cd7 | 853 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); |
27a3f09b SA |
854 | processed_samples += sample_count; |
855 | ||
856 | // ...and process the newly muxed logic data | |
857 | decode_input_cond_.notify_one(); | |
858 | } while (processed_samples < samples_to_process); | |
859 | } | |
860 | ||
1ec191ed | 861 | if (samples_to_process == 0) { |
ed535cd7 SA |
862 | // TODO Optimize this by caching the input segment count and only |
863 | // querying it when the cached value was reached | |
864 | if (segment_id < get_input_segment_count() - 1) { | |
865 | // Process next segment | |
866 | segment_id++; | |
867 | ||
65efd025 | 868 | output_segment = |
85a70280 SA |
869 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
870 | logic_mux_unit_size_, 0); | |
65efd025 | 871 | logic_mux_data_->push_segment(output_segment); |
ba5f2186 | 872 | |
8a603e13 SA |
873 | output_segment->set_samplerate(get_input_samplerate(segment_id)); |
874 | ||
ed535cd7 SA |
875 | } else { |
876 | // All segments have been processed | |
877 | logic_mux_data_invalid_ = false; | |
878 | ||
879 | // Wait for more input | |
880 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
881 | logic_mux_cond_.wait(logic_mux_lock); | |
882 | } | |
27a3f09b | 883 | } |
1ec191ed | 884 | } while (!logic_mux_interrupt_); |
47747218 SA |
885 | } |
886 | ||
887 | void DecodeSignal::decode_data( | |
8a603e13 SA |
888 | const int64_t abs_start_samplenum, const int64_t sample_count, |
889 | const shared_ptr<LogicSegment> input_segment) | |
47747218 | 890 | { |
8a603e13 | 891 | const int64_t unit_size = input_segment->unit_size(); |
27a3f09b | 892 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; |
47747218 SA |
893 | |
894 | for (int64_t i = abs_start_samplenum; | |
895 | !decode_interrupt_ && (i < (abs_start_samplenum + sample_count)); | |
896 | i += chunk_sample_count) { | |
897 | ||
898 | const int64_t chunk_end = min(i + chunk_sample_count, | |
899 | abs_start_samplenum + sample_count); | |
900 | ||
b82243f7 SA |
901 | int64_t data_size = (chunk_end - i) * unit_size; |
902 | uint8_t* chunk = new uint8_t[data_size]; | |
8a603e13 | 903 | input_segment->get_samples(i, chunk_end, chunk); |
47747218 | 904 | |
e91883bb | 905 | if (srd_session_send(srd_session_, i, chunk_end, chunk, |
b82243f7 | 906 | data_size, unit_size) != SRD_OK) { |
403c3e87 | 907 | set_error_message(tr("Decoder reported an error")); |
47747218 SA |
908 | delete[] chunk; |
909 | break; | |
910 | } | |
a3ebd556 | 911 | |
47747218 SA |
912 | delete[] chunk; |
913 | ||
914 | { | |
915 | lock_guard<mutex> lock(output_mutex_); | |
8a603e13 | 916 | segments_.at(current_segment_id_).samples_decoded = chunk_end; |
47747218 | 917 | } |
1b56c646 SA |
918 | |
919 | // Notify the frontend that we processed some data and | |
920 | // possibly have new annotations as well | |
921 | new_annotations(); | |
47747218 SA |
922 | } |
923 | } | |
924 | ||
925 | void DecodeSignal::decode_proc() | |
926 | { | |
65efd025 SA |
927 | current_segment_id_ = 0; |
928 | ||
929 | // If there is no input data available yet, wait until it is or we're interrupted | |
930 | if (logic_mux_data_->logic_segments().size() == 0) { | |
931 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
932 | decode_input_cond_.wait(input_wait_lock); | |
933 | } | |
a3ebd556 SA |
934 | |
935 | if (decode_interrupt_) | |
936 | return; | |
937 | ||
8a603e13 | 938 | shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front(); |
8a603e13 | 939 | assert(input_segment); |
65efd025 SA |
940 | |
941 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
942 | create_decode_segment(); | |
8a603e13 | 943 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 944 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 945 | |
65efd025 SA |
946 | start_srd_session(); |
947 | ||
948 | uint64_t sample_count = 0; | |
27a3f09b | 949 | uint64_t abs_start_samplenum = 0; |
47747218 | 950 | do { |
27a3f09b SA |
951 | // Keep processing new samples until we exhaust the input data |
952 | do { | |
767bf4e7 | 953 | lock_guard<mutex> input_lock(input_mutex_); |
8a603e13 | 954 | sample_count = input_segment->get_sample_count() - abs_start_samplenum; |
27a3f09b SA |
955 | |
956 | if (sample_count > 0) { | |
8a603e13 | 957 | decode_data(abs_start_samplenum, sample_count, input_segment); |
27a3f09b SA |
958 | abs_start_samplenum += sample_count; |
959 | } | |
1b56c646 SA |
960 | } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_); |
961 | ||
8a603e13 SA |
962 | if (error_message_.isEmpty() && !decode_interrupt_ && sample_count == 0) { |
963 | if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) { | |
964 | // Process next segment | |
965 | current_segment_id_++; | |
966 | ||
967 | try { | |
968 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
30677c13 | 969 | } catch (out_of_range&) { |
8a603e13 SA |
970 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ |
971 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
972 | << logic_mux_data_->logic_segments().size(); | |
973 | return; | |
974 | } | |
975 | abs_start_samplenum = 0; | |
976 | ||
65efd025 SA |
977 | // Create the next segment and set its metadata |
978 | create_decode_segment(); | |
8a603e13 | 979 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 980 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 981 | |
90ca4cc8 SA |
982 | // Reset decoder state but keep the decoder stack intact |
983 | terminate_srd_session(); | |
8a603e13 SA |
984 | } else { |
985 | // All segments have been processed | |
1b56c646 | 986 | decode_finished(); |
27a3f09b | 987 | |
8a603e13 SA |
988 | // Wait for new input data or an interrupt was requested |
989 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
990 | decode_input_cond_.wait(input_wait_lock); | |
991 | } | |
27a3f09b SA |
992 | } |
993 | } while (error_message_.isEmpty() && !decode_interrupt_); | |
ce0b6a40 GS |
994 | |
995 | // Potentially reap decoders when the application no longer is | |
996 | // interested in their (pending) results. | |
997 | if (decode_interrupt_) | |
998 | terminate_srd_session(); | |
e91883bb SA |
999 | } |
1000 | ||
1001 | void DecodeSignal::start_srd_session() | |
1002 | { | |
4349dc21 GS |
1003 | uint64_t samplerate; |
1004 | ||
8ce0e732 SA |
1005 | // If there were stack changes, the session has been destroyed by now, so if |
1006 | // it hasn't been destroyed, we can just reset and re-use it | |
ce0b6a40 GS |
1007 | if (srd_session_) { |
1008 | // When a decoder stack was created before, re-use it | |
1009 | // for the next stream of input data, after terminating | |
1010 | // potentially still executing operations, and resetting | |
1011 | // internal state. Skip the rather expensive (teardown | |
1012 | // and) construction of another decoder stack. | |
1013 | ||
1014 | // TODO Reduce redundancy, use a common code path for | |
1015 | // the meta/cb/start sequence? | |
1016 | terminate_srd_session(); | |
1017 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1018 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
1019 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1020 | DecodeSignal::annotation_callback, this); | |
1021 | srd_session_start(srd_session_); | |
1022 | return; | |
1023 | } | |
e91883bb | 1024 | |
a3ebd556 SA |
1025 | // Create the session |
1026 | srd_session_new(&srd_session_); | |
1027 | assert(srd_session_); | |
47747218 | 1028 | |
a3ebd556 SA |
1029 | // Create the decoders |
1030 | srd_decoder_inst *prev_di = nullptr; | |
1031 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
1032 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); | |
e91883bb | 1033 | |
a3ebd556 | 1034 | if (!di) { |
403c3e87 | 1035 | set_error_message(tr("Failed to create decoder instance")); |
a3ebd556 | 1036 | srd_session_destroy(srd_session_); |
c5f9553c | 1037 | srd_session_ = nullptr; |
a3ebd556 SA |
1038 | return; |
1039 | } | |
e91883bb | 1040 | |
a3ebd556 SA |
1041 | if (prev_di) |
1042 | srd_inst_stack(srd_session_, prev_di, di); | |
e91883bb | 1043 | |
a3ebd556 | 1044 | prev_di = di; |
e91883bb | 1045 | } |
a3ebd556 SA |
1046 | |
1047 | // Start the session | |
4349dc21 GS |
1048 | samplerate = segments_.at(current_segment_id_).samplerate; |
1049 | if (samplerate) | |
1050 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1051 | g_variant_new_uint64(samplerate)); | |
a3ebd556 SA |
1052 | |
1053 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1054 | DecodeSignal::annotation_callback, this); | |
1055 | ||
1056 | srd_session_start(srd_session_); | |
e3202557 SA |
1057 | |
1058 | // We just recreated the srd session, so all stack changes are applied now | |
1059 | stack_config_changed_ = false; | |
e91883bb | 1060 | } |
47747218 | 1061 | |
ce0b6a40 GS |
1062 | void DecodeSignal::terminate_srd_session() |
1063 | { | |
1064 | // Call the "terminate and reset" routine for the decoder stack | |
1065 | // (if available). This does not harm those stacks which already | |
1066 | // have completed their operation, and reduces response time for | |
1067 | // those stacks which still are processing data while the | |
1068 | // application no longer wants them to. | |
1069 | if (srd_session_) | |
1070 | srd_session_terminate_reset(srd_session_); | |
1071 | } | |
1072 | ||
e91883bb SA |
1073 | void DecodeSignal::stop_srd_session() |
1074 | { | |
1075 | if (srd_session_) { | |
1076 | // Destroy the session | |
1077 | srd_session_destroy(srd_session_); | |
1078 | srd_session_ = nullptr; | |
8ce0e732 SA |
1079 | |
1080 | // Mark the decoder instances as non-existant since they were deleted | |
1081 | for (const shared_ptr<decode::Decoder> &dec : stack_) | |
1082 | dec->invalidate_decoder_inst(); | |
e91883bb | 1083 | } |
47747218 SA |
1084 | } |
1085 | ||
a8a9222d SA |
1086 | void DecodeSignal::connect_input_notifiers() |
1087 | { | |
1088 | // Disconnect the notification slot from the previous set of signals | |
1b56c646 | 1089 | disconnect(this, SLOT(on_data_cleared())); |
a8a9222d SA |
1090 | disconnect(this, SLOT(on_data_received())); |
1091 | ||
1092 | // Connect the currently used signals to our slot | |
1093 | for (data::DecodeChannel &ch : channels_) { | |
1094 | if (!ch.assigned_signal) | |
1095 | continue; | |
1096 | ||
1b56c646 SA |
1097 | const data::SignalBase *signal = ch.assigned_signal; |
1098 | connect(signal, SIGNAL(samples_cleared()), | |
1099 | this, SLOT(on_data_cleared())); | |
b10b58f4 | 1100 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), |
a8a9222d SA |
1101 | this, SLOT(on_data_received())); |
1102 | } | |
1103 | } | |
1104 | ||
65efd025 | 1105 | void DecodeSignal::create_decode_segment() |
4913560f | 1106 | { |
65efd025 SA |
1107 | // Create annotation segment |
1108 | segments_.emplace_back(DecodeSegment()); | |
72435789 | 1109 | |
65efd025 SA |
1110 | // Add annotation classes |
1111 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
1112 | assert(dec); | |
1113 | const srd_decoder *const decc = dec->decoder(); | |
1114 | assert(dec->decoder()); | |
4913560f | 1115 | |
65efd025 SA |
1116 | // Add a row for the decoder if it doesn't have a row list |
1117 | if (!decc->annotation_rows) | |
1118 | (segments_.back().annotation_rows)[Row(decc)] = | |
1119 | decode::RowData(); | |
4913560f | 1120 | |
65efd025 SA |
1121 | // Add the decoder rows |
1122 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
1123 | const srd_decoder_annotation_row *const ann_row = | |
1124 | (srd_decoder_annotation_row *)l->data; | |
1125 | assert(ann_row); | |
4913560f | 1126 | |
65efd025 | 1127 | const Row row(decc, ann_row); |
4913560f | 1128 | |
65efd025 SA |
1129 | // Add a new empty row data object |
1130 | (segments_.back().annotation_rows)[row] = | |
1131 | decode::RowData(); | |
4913560f SA |
1132 | } |
1133 | } | |
1134 | } | |
1135 | ||
47747218 SA |
1136 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) |
1137 | { | |
1138 | assert(pdata); | |
b21501d6 | 1139 | assert(decode_signal); |
47747218 SA |
1140 | |
1141 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1142 | assert(ds); | |
1143 | ||
1144 | lock_guard<mutex> lock(ds->output_mutex_); | |
1145 | ||
47747218 SA |
1146 | // Find the row |
1147 | assert(pdata->pdo); | |
1148 | assert(pdata->pdo->di); | |
1149 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
1150 | assert(decc); | |
1151 | ||
1becee23 UH |
1152 | const srd_proto_data_annotation *const pda = |
1153 | (const srd_proto_data_annotation*)pdata->data; | |
1154 | assert(pda); | |
1155 | ||
8a603e13 | 1156 | auto row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.end(); |
47747218 SA |
1157 | |
1158 | // Try looking up the sub-row of this class | |
1becee23 UH |
1159 | const auto format = pda->ann_class; |
1160 | const auto r = ds->class_rows_.find(make_pair(decc, format)); | |
47747218 | 1161 | if (r != ds->class_rows_.end()) |
8a603e13 | 1162 | row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find((*r).second); |
47747218 SA |
1163 | else { |
1164 | // Failing that, use the decoder as a key | |
8a603e13 | 1165 | row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find(Row(decc)); |
47747218 SA |
1166 | } |
1167 | ||
8a603e13 | 1168 | if (row_iter == ds->segments_.at(ds->current_segment_id_).annotation_rows.end()) { |
47747218 | 1169 | qDebug() << "Unexpected annotation: decoder = " << decc << |
1becee23 | 1170 | ", format = " << format; |
47747218 SA |
1171 | assert(false); |
1172 | return; | |
1173 | } | |
1174 | ||
1175 | // Add the annotation | |
1becee23 | 1176 | (*row_iter).second.emplace_annotation(pdata); |
47747218 SA |
1177 | } |
1178 | ||
1179 | void DecodeSignal::on_capture_state_changed(int state) | |
1180 | { | |
1181 | // If a new acquisition was started, we need to start decoding from scratch | |
ba5f2186 SA |
1182 | if (state == Session::Running) { |
1183 | logic_mux_data_invalid_ = true; | |
47747218 | 1184 | begin_decode(); |
ba5f2186 | 1185 | } |
47747218 SA |
1186 | } |
1187 | ||
1b56c646 SA |
1188 | void DecodeSignal::on_data_cleared() |
1189 | { | |
1190 | reset_decode(); | |
1191 | } | |
1192 | ||
47747218 SA |
1193 | void DecodeSignal::on_data_received() |
1194 | { | |
1b56c646 SA |
1195 | if (!logic_mux_thread_.joinable()) |
1196 | begin_decode(); | |
1197 | else | |
1198 | logic_mux_cond_.notify_one(); | |
47747218 SA |
1199 | } |
1200 | ||
ad908057 SA |
1201 | } // namespace data |
1202 | } // namespace pv |