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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(); | |
fe060a48 SA |
161 | // TODO Emulate noquote() |
162 | qDebug().nospace() << name() << ": Error cleared"; | |
403c3e87 | 163 | } |
72435789 | 164 | |
eee3eab9 | 165 | decode_reset(); |
47747218 SA |
166 | } |
167 | ||
946b52e1 SA |
168 | void DecodeSignal::begin_decode() |
169 | { | |
47747218 SA |
170 | if (decode_thread_.joinable()) { |
171 | decode_interrupt_ = true; | |
172 | decode_input_cond_.notify_one(); | |
173 | decode_thread_.join(); | |
174 | } | |
175 | ||
176 | if (logic_mux_thread_.joinable()) { | |
177 | logic_mux_interrupt_ = true; | |
178 | logic_mux_cond_.notify_one(); | |
179 | logic_mux_thread_.join(); | |
180 | } | |
181 | ||
182 | reset_decode(); | |
183 | ||
27a3f09b | 184 | if (stack_.size() == 0) { |
403c3e87 | 185 | set_error_message(tr("No decoders")); |
27a3f09b SA |
186 | return; |
187 | } | |
188 | ||
189 | assert(channels_.size() > 0); | |
190 | ||
191 | if (get_assigned_signal_count() == 0) { | |
403c3e87 | 192 | set_error_message(tr("There are no channels assigned to this decoder")); |
27a3f09b SA |
193 | return; |
194 | } | |
195 | ||
04627946 SA |
196 | // Make sure that all assigned channels still provide logic data |
197 | // (can happen when a converted signal was assigned but the | |
198 | // conversion removed in the meanwhile) | |
199 | for (data::DecodeChannel &ch : channels_) | |
200 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) | |
201 | ch.assigned_signal = nullptr; | |
202 | ||
47747218 SA |
203 | // Check that all decoders have the required channels |
204 | for (const shared_ptr<decode::Decoder> &dec : stack_) | |
205 | if (!dec->have_required_channels()) { | |
403c3e87 SA |
206 | set_error_message(tr("One or more required channels " |
207 | "have not been specified")); | |
47747218 SA |
208 | return; |
209 | } | |
210 | ||
4913560f | 211 | // Map out all the annotation classes |
47747218 SA |
212 | for (const shared_ptr<decode::Decoder> &dec : stack_) { |
213 | assert(dec); | |
214 | const srd_decoder *const decc = dec->decoder(); | |
215 | assert(dec->decoder()); | |
216 | ||
47747218 SA |
217 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { |
218 | const srd_decoder_annotation_row *const ann_row = | |
219 | (srd_decoder_annotation_row *)l->data; | |
220 | assert(ann_row); | |
221 | ||
222 | const Row row(decc, ann_row); | |
223 | ||
47747218 SA |
224 | for (const GSList *ll = ann_row->ann_classes; |
225 | ll; ll = ll->next) | |
226 | class_rows_[make_pair(decc, | |
227 | GPOINTER_TO_INT(ll->data))] = row; | |
228 | } | |
229 | } | |
230 | ||
27a3f09b SA |
231 | // Free the logic data and its segment(s) if it needs to be updated |
232 | if (logic_mux_data_invalid_) | |
233 | logic_mux_data_.reset(); | |
234 | ||
235 | if (!logic_mux_data_) { | |
72435789 | 236 | const uint32_t ch_count = get_assigned_signal_count(); |
ed535cd7 | 237 | logic_mux_unit_size_ = (ch_count + 7) / 8; |
27a3f09b | 238 | logic_mux_data_ = make_shared<Logic>(ch_count); |
27a3f09b | 239 | } |
47747218 | 240 | |
ed535cd7 SA |
241 | // Receive notifications when new sample data is available |
242 | connect_input_notifiers(); | |
243 | ||
8a603e13 | 244 | if (get_input_segment_count() == 0) { |
403c3e87 | 245 | set_error_message(tr("No input data")); |
ed535cd7 SA |
246 | return; |
247 | } | |
248 | ||
27a3f09b SA |
249 | // Make sure the logic output data is complete and up-to-date |
250 | logic_mux_interrupt_ = false; | |
251 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
252 | ||
253 | // Decode the muxed logic data | |
47747218 SA |
254 | decode_interrupt_ = false; |
255 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
256 | } |
257 | ||
ecd07c20 SA |
258 | QString DecodeSignal::error_message() const |
259 | { | |
47747218 SA |
260 | lock_guard<mutex> lock(output_mutex_); |
261 | return error_message_; | |
ecd07c20 SA |
262 | } |
263 | ||
47747218 | 264 | const vector<data::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
265 | { |
266 | return channels_; | |
267 | } | |
268 | ||
762ab7a4 | 269 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) |
132a5c6d | 270 | { |
47747218 SA |
271 | bool new_assignment = false; |
272 | ||
132a5c6d SA |
273 | // Try to auto-select channels that don't have signals assigned yet |
274 | for (data::DecodeChannel &ch : channels_) { | |
762ab7a4 SA |
275 | // If a decoder is given, auto-assign only its channels |
276 | if (dec && (ch.decoder_ != dec)) | |
277 | continue; | |
278 | ||
132a5c6d SA |
279 | if (ch.assigned_signal) |
280 | continue; | |
281 | ||
692f6093 SA |
282 | for (shared_ptr<data::SignalBase> s : session_.signalbases()) { |
283 | const QString ch_name = ch.name.toLower(); | |
284 | const QString s_name = s->name().toLower(); | |
285 | ||
286 | if (s->logic_data() && | |
287 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
132a5c6d | 288 | ch.assigned_signal = s.get(); |
47747218 SA |
289 | new_assignment = true; |
290 | } | |
692f6093 | 291 | } |
47747218 SA |
292 | } |
293 | ||
294 | if (new_assignment) { | |
295 | logic_mux_data_invalid_ = true; | |
e3202557 | 296 | stack_config_changed_ = true; |
27a3f09b | 297 | commit_decoder_channels(); |
47747218 | 298 | channels_updated(); |
132a5c6d SA |
299 | } |
300 | } | |
301 | ||
9f97b357 SA |
302 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
303 | { | |
304 | for (data::DecodeChannel &ch : channels_) | |
47747218 | 305 | if (ch.id == channel_id) { |
9f97b357 | 306 | ch.assigned_signal = signal; |
47747218 SA |
307 | logic_mux_data_invalid_ = true; |
308 | } | |
9f97b357 | 309 | |
e3202557 | 310 | stack_config_changed_ = true; |
27a3f09b | 311 | commit_decoder_channels(); |
9f97b357 | 312 | channels_updated(); |
47747218 | 313 | begin_decode(); |
9f97b357 SA |
314 | } |
315 | ||
27a3f09b SA |
316 | int DecodeSignal::get_assigned_signal_count() const |
317 | { | |
318 | // Count all channels that have a signal assigned to them | |
319 | return count_if(channels_.begin(), channels_.end(), | |
320 | [](data::DecodeChannel ch) { return ch.assigned_signal; }); | |
321 | } | |
322 | ||
9f97b357 SA |
323 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) |
324 | { | |
325 | for (data::DecodeChannel &ch : channels_) | |
326 | if (ch.id == channel_id) | |
327 | ch.initial_pin_state = init_state; | |
328 | ||
e3202557 | 329 | stack_config_changed_ = true; |
9f97b357 | 330 | channels_updated(); |
47747218 | 331 | begin_decode(); |
9f97b357 SA |
332 | } |
333 | ||
ff83d980 SA |
334 | double DecodeSignal::samplerate() const |
335 | { | |
72435789 SA |
336 | double result = 0; |
337 | ||
338 | // TODO For now, we simply return the first samplerate that we have | |
8a603e13 SA |
339 | if (segments_.size() > 0) |
340 | result = segments_.front().samplerate; | |
72435789 SA |
341 | |
342 | return result; | |
ff83d980 SA |
343 | } |
344 | ||
72435789 | 345 | const pv::util::Timestamp DecodeSignal::start_time() const |
ff83d980 | 346 | { |
72435789 SA |
347 | pv::util::Timestamp result; |
348 | ||
349 | // TODO For now, we simply return the first start time that we have | |
8a603e13 SA |
350 | if (segments_.size() > 0) |
351 | result = segments_.front().start_time; | |
72435789 SA |
352 | |
353 | return result; | |
ff83d980 SA |
354 | } |
355 | ||
5ecf957f | 356 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const |
0c5fe73e SA |
357 | { |
358 | // The working sample count is the highest sample number for | |
ed535cd7 SA |
359 | // which all used signals have data available, so go through all |
360 | // channels and use the lowest overall sample count of the segment | |
0c5fe73e | 361 | |
0c5fe73e SA |
362 | int64_t count = std::numeric_limits<int64_t>::max(); |
363 | bool no_signals_assigned = true; | |
364 | ||
365 | for (const data::DecodeChannel &ch : channels_) | |
366 | if (ch.assigned_signal) { | |
367 | no_signals_assigned = false; | |
368 | ||
369 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
370 | if (!logic_data || logic_data->logic_segments().empty()) | |
371 | return 0; | |
372 | ||
5ecf957f SA |
373 | try { |
374 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
375 | count = min(count, (int64_t)segment->get_sample_count()); | |
30677c13 | 376 | } catch (out_of_range&) { |
5ecf957f SA |
377 | return 0; |
378 | } | |
0c5fe73e SA |
379 | } |
380 | ||
381 | return (no_signals_assigned ? 0 : count); | |
382 | } | |
383 | ||
5ecf957f | 384 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id) const |
ff83d980 | 385 | { |
47747218 | 386 | lock_guard<mutex> decode_lock(output_mutex_); |
5ecf957f SA |
387 | |
388 | int64_t result = 0; | |
389 | ||
72435789 SA |
390 | try { |
391 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
392 | result = segment->samples_decoded; | |
30677c13 | 393 | } catch (out_of_range&) { |
72435789 SA |
394 | // Do nothing |
395 | } | |
5ecf957f SA |
396 | |
397 | return result; | |
ff83d980 SA |
398 | } |
399 | ||
ecd07c20 SA |
400 | vector<Row> DecodeSignal::visible_rows() const |
401 | { | |
47747218 SA |
402 | lock_guard<mutex> lock(output_mutex_); |
403 | ||
404 | vector<Row> rows; | |
405 | ||
406 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
407 | assert(dec); | |
408 | if (!dec->shown()) | |
409 | continue; | |
410 | ||
411 | const srd_decoder *const decc = dec->decoder(); | |
412 | assert(dec->decoder()); | |
413 | ||
414 | // Add a row for the decoder if it doesn't have a row list | |
415 | if (!decc->annotation_rows) | |
416 | rows.emplace_back(decc); | |
417 | ||
418 | // Add the decoder rows | |
419 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
420 | const srd_decoder_annotation_row *const ann_row = | |
421 | (srd_decoder_annotation_row *)l->data; | |
422 | assert(ann_row); | |
423 | rows.emplace_back(decc, ann_row); | |
424 | } | |
425 | } | |
426 | ||
427 | return rows; | |
ecd07c20 SA |
428 | } |
429 | ||
430 | void DecodeSignal::get_annotation_subset( | |
431 | vector<pv::data::decode::Annotation> &dest, | |
72435789 | 432 | const decode::Row &row, uint32_t segment_id, uint64_t start_sample, |
ecd07c20 SA |
433 | uint64_t end_sample) const |
434 | { | |
47747218 SA |
435 | lock_guard<mutex> lock(output_mutex_); |
436 | ||
72435789 SA |
437 | try { |
438 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
439 | const map<const decode::Row, decode::RowData> *rows = | |
440 | &(segment->annotation_rows); | |
441 | ||
442 | const auto iter = rows->find(row); | |
443 | if (iter != rows->end()) | |
444 | (*iter).second.get_annotation_subset(dest, | |
445 | start_sample, end_sample); | |
30677c13 | 446 | } catch (out_of_range&) { |
72435789 SA |
447 | // Do nothing |
448 | } | |
47747218 SA |
449 | } |
450 | ||
451 | void DecodeSignal::save_settings(QSettings &settings) const | |
452 | { | |
453 | SignalBase::save_settings(settings); | |
454 | ||
c8e60bdf SA |
455 | settings.setValue("decoders", (int)(stack_.size())); |
456 | ||
8b5ea5a1 | 457 | // Save decoder stack |
c8e60bdf SA |
458 | int decoder_idx = 0; |
459 | for (shared_ptr<decode::Decoder> decoder : stack_) { | |
460 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); | |
461 | ||
462 | settings.setValue("id", decoder->decoder()->id); | |
463 | ||
d3feec23 SA |
464 | // Save decoder options |
465 | const map<string, GVariant*>& options = decoder->options(); | |
466 | ||
467 | settings.setValue("options", (int)options.size()); | |
468 | ||
469 | // Note: decode::Decoder::options() returns only the options | |
470 | // that differ from the default. See binding::Decoder::getter() | |
471 | int i = 0; | |
472 | for (auto option : options) { | |
473 | settings.beginGroup("option" + QString::number(i)); | |
474 | settings.setValue("name", QString::fromStdString(option.first)); | |
475 | GlobalSettings::store_gvariant(settings, option.second); | |
476 | settings.endGroup(); | |
477 | i++; | |
478 | } | |
479 | ||
c8e60bdf SA |
480 | settings.endGroup(); |
481 | } | |
482 | ||
8b5ea5a1 SA |
483 | // Save channel mapping |
484 | settings.setValue("channels", (int)channels_.size()); | |
485 | ||
486 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
487 | auto channel = find_if(channels_.begin(), channels_.end(), | |
488 | [&](data::DecodeChannel ch) { return ch.id == channel_id; }); | |
489 | ||
490 | if (channel == channels_.end()) { | |
491 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
492 | continue; | |
493 | } | |
494 | ||
495 | settings.beginGroup("channel" + QString::number(channel_id)); | |
496 | ||
497 | settings.setValue("name", channel->name); // Useful for debugging | |
498 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
499 | ||
500 | if (channel->assigned_signal) | |
501 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
502 | ||
503 | settings.endGroup(); | |
504 | } | |
47747218 SA |
505 | } |
506 | ||
507 | void DecodeSignal::restore_settings(QSettings &settings) | |
508 | { | |
509 | SignalBase::restore_settings(settings); | |
510 | ||
8b5ea5a1 | 511 | // Restore decoder stack |
c8e60bdf SA |
512 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); |
513 | ||
514 | int decoders = settings.value("decoders").toInt(); | |
515 | ||
516 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
517 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
518 | ||
519 | QString id = settings.value("id").toString(); | |
520 | ||
521 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
522 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
523 | if (!dec) | |
524 | continue; | |
525 | ||
526 | if (QString::fromUtf8(dec->id) == id) { | |
d3feec23 SA |
527 | shared_ptr<decode::Decoder> decoder = |
528 | make_shared<decode::Decoder>(dec); | |
529 | ||
530 | stack_.push_back(decoder); | |
531 | ||
532 | // Restore decoder options that differ from their default | |
533 | int options = settings.value("options").toInt(); | |
534 | ||
535 | for (int i = 0; i < options; i++) { | |
536 | settings.beginGroup("option" + QString::number(i)); | |
537 | QString name = settings.value("name").toString(); | |
538 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
539 | decoder->set_option(name.toUtf8(), value); | |
540 | settings.endGroup(); | |
541 | } | |
c8e60bdf SA |
542 | |
543 | // Include the newly created decode channels in the channel lists | |
544 | update_channel_list(); | |
545 | break; | |
546 | } | |
547 | } | |
548 | ||
549 | settings.endGroup(); | |
4ca06ec3 | 550 | channels_updated(); |
c8e60bdf SA |
551 | } |
552 | ||
8b5ea5a1 SA |
553 | // Restore channel mapping |
554 | unsigned int channels = settings.value("channels").toInt(); | |
555 | ||
556 | const unordered_set< shared_ptr<data::SignalBase> > signalbases = | |
557 | session_.signalbases(); | |
558 | ||
559 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
560 | auto channel = find_if(channels_.begin(), channels_.end(), | |
561 | [&](data::DecodeChannel ch) { return ch.id == channel_id; }); | |
562 | ||
563 | if (channel == channels_.end()) { | |
564 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
565 | continue; | |
566 | } | |
567 | ||
568 | settings.beginGroup("channel" + QString::number(channel_id)); | |
569 | ||
570 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
571 | ||
572 | for (shared_ptr<data::SignalBase> signal : signalbases) | |
573 | if (signal->name() == assigned_signal_name) | |
574 | channel->assigned_signal = signal.get(); | |
575 | ||
576 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
577 | ||
578 | settings.endGroup(); | |
579 | } | |
580 | ||
aa71890d | 581 | // Update the internal structures |
e3202557 | 582 | stack_config_changed_ = true; |
aa71890d SA |
583 | update_channel_list(); |
584 | commit_decoder_channels(); | |
585 | ||
8b5ea5a1 | 586 | begin_decode(); |
47747218 SA |
587 | } |
588 | ||
403c3e87 SA |
589 | void DecodeSignal::set_error_message(QString msg) |
590 | { | |
591 | error_message_ = msg; | |
fe060a48 SA |
592 | // TODO Emulate noquote() |
593 | qDebug().nospace() << name() << ": " << msg; | |
403c3e87 SA |
594 | } |
595 | ||
8a603e13 SA |
596 | uint32_t DecodeSignal::get_input_segment_count() const |
597 | { | |
598 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
599 | bool no_signals_assigned = true; | |
600 | ||
601 | for (const data::DecodeChannel &ch : channels_) | |
602 | if (ch.assigned_signal) { | |
603 | no_signals_assigned = false; | |
604 | ||
605 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
606 | if (!logic_data || logic_data->logic_segments().empty()) | |
607 | return 0; | |
608 | ||
609 | // Find the min value of all segment counts | |
610 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
611 | count = logic_data->logic_segments().size(); | |
612 | } | |
613 | ||
614 | return (no_signals_assigned ? 0 : count); | |
615 | } | |
616 | ||
617 | uint32_t DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
618 | { | |
619 | double samplerate = 0; | |
620 | ||
621 | for (const data::DecodeChannel &ch : channels_) | |
622 | if (ch.assigned_signal) { | |
623 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
624 | if (!logic_data || logic_data->logic_segments().empty()) | |
625 | continue; | |
626 | ||
627 | try { | |
628 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
629 | samplerate = segment->samplerate(); | |
30677c13 | 630 | } catch (out_of_range&) { |
8a603e13 SA |
631 | // Do nothing |
632 | } | |
633 | break; | |
634 | } | |
635 | ||
636 | return samplerate; | |
637 | } | |
638 | ||
9f97b357 SA |
639 | void DecodeSignal::update_channel_list() |
640 | { | |
47747218 | 641 | vector<data::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
642 | channels_.clear(); |
643 | ||
644 | uint16_t id = 0; | |
645 | ||
646 | // Copy existing entries, create new as needed | |
47747218 | 647 | for (shared_ptr<Decoder> decoder : stack_) { |
9f97b357 SA |
648 | const srd_decoder* srd_d = decoder->decoder(); |
649 | const GSList *l; | |
650 | ||
651 | // Mandatory channels | |
652 | for (l = srd_d->channels; l; l = l->next) { | |
653 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
654 | bool ch_added = false; | |
655 | ||
656 | // Copy but update ID if this channel was in the list before | |
47747218 | 657 | for (data::DecodeChannel &ch : prev_channels) |
9f97b357 SA |
658 | if (ch.pdch_ == pdch) { |
659 | ch.id = id++; | |
660 | channels_.push_back(ch); | |
661 | ch_added = true; | |
662 | break; | |
663 | } | |
664 | ||
665 | if (!ch_added) { | |
666 | // Create new entry without a mapped signal | |
6e7a4a00 | 667 | data::DecodeChannel ch = {id++, 0, false, nullptr, |
9f97b357 SA |
668 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
669 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
670 | channels_.push_back(ch); | |
671 | } | |
672 | } | |
673 | ||
674 | // Optional channels | |
675 | for (l = srd_d->opt_channels; l; l = l->next) { | |
676 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
677 | bool ch_added = false; | |
678 | ||
679 | // Copy but update ID if this channel was in the list before | |
47747218 | 680 | for (data::DecodeChannel &ch : prev_channels) |
9f97b357 SA |
681 | if (ch.pdch_ == pdch) { |
682 | ch.id = id++; | |
683 | channels_.push_back(ch); | |
684 | ch_added = true; | |
685 | break; | |
686 | } | |
687 | ||
688 | if (!ch_added) { | |
689 | // Create new entry without a mapped signal | |
6e7a4a00 | 690 | data::DecodeChannel ch = {id++, 0, true, nullptr, |
9f97b357 SA |
691 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
692 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
693 | channels_.push_back(ch); | |
694 | } | |
695 | } | |
696 | } | |
697 | ||
47747218 SA |
698 | // Invalidate the logic output data if the channel assignment changed |
699 | if (prev_channels.size() != channels_.size()) { | |
700 | // The number of channels changed, there's definitely a difference | |
701 | logic_mux_data_invalid_ = true; | |
702 | } else { | |
703 | // Same number but assignment may still differ, so compare all channels | |
704 | for (size_t i = 0; i < channels_.size(); i++) { | |
705 | const data::DecodeChannel &p_ch = prev_channels[i]; | |
706 | const data::DecodeChannel &ch = channels_[i]; | |
707 | ||
708 | if ((p_ch.pdch_ != ch.pdch_) || | |
709 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
710 | logic_mux_data_invalid_ = true; | |
711 | break; | |
712 | } | |
713 | } | |
714 | ||
715 | } | |
716 | ||
9f97b357 SA |
717 | channels_updated(); |
718 | } | |
719 | ||
27a3f09b | 720 | void DecodeSignal::commit_decoder_channels() |
ad908057 | 721 | { |
27a3f09b SA |
722 | // Submit channel list to every decoder, containing only the relevant channels |
723 | for (shared_ptr<decode::Decoder> dec : stack_) { | |
724 | vector<data::DecodeChannel*> channel_list; | |
725 | ||
726 | for (data::DecodeChannel &ch : channels_) | |
727 | if (ch.decoder_ == dec) | |
728 | channel_list.push_back(&ch); | |
47747218 | 729 | |
27a3f09b SA |
730 | dec->set_channels(channel_list); |
731 | } | |
aa71890d SA |
732 | |
733 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
734 | int id = 0; | |
735 | for (data::DecodeChannel &ch : channels_) | |
736 | if (ch.assigned_signal) | |
737 | ch.bit_id = id++; | |
47747218 SA |
738 | } |
739 | ||
ed535cd7 | 740 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) |
47747218 | 741 | { |
27a3f09b SA |
742 | // Enforce end to be greater than start |
743 | if (end <= start) | |
744 | return; | |
745 | ||
ed535cd7 | 746 | // Fetch the channel segments and their data |
27a3f09b SA |
747 | vector<shared_ptr<LogicSegment> > segments; |
748 | vector<const uint8_t*> signal_data; | |
749 | vector<uint8_t> signal_in_bytepos; | |
750 | vector<uint8_t> signal_in_bitpos; | |
751 | ||
752 | for (data::DecodeChannel &ch : channels_) | |
753 | if (ch.assigned_signal) { | |
754 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
ed535cd7 SA |
755 | |
756 | shared_ptr<LogicSegment> segment; | |
757 | try { | |
758 | segment = logic_data->logic_segments().at(segment_id); | |
30677c13 | 759 | } catch (out_of_range&) { |
ed535cd7 SA |
760 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ |
761 | << "has no logic segment" << segment_id; | |
762 | return; | |
763 | } | |
27a3f09b | 764 | segments.push_back(segment); |
b82243f7 SA |
765 | |
766 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
767 | segment->get_samples(start, end, data); | |
768 | signal_data.push_back(data); | |
27a3f09b SA |
769 | |
770 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
771 | signal_in_bytepos.push_back(bitpos / 8); | |
772 | signal_in_bitpos.push_back(bitpos % 8); | |
773 | } | |
774 | ||
ed535cd7 SA |
775 | |
776 | shared_ptr<LogicSegment> output_segment; | |
777 | try { | |
778 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
30677c13 | 779 | } catch (out_of_range&) { |
ed535cd7 SA |
780 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ |
781 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
782 | << logic_mux_data_->logic_segments().size(); | |
783 | return; | |
784 | } | |
785 | ||
27a3f09b | 786 | // Perform the muxing of signal data into the output data |
8a603e13 | 787 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; |
27a3f09b SA |
788 | unsigned int signal_count = signal_data.size(); |
789 | ||
3b5282a2 SA |
790 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); |
791 | sample_cnt++) { | |
792 | ||
27a3f09b SA |
793 | int bitpos = 0; |
794 | uint8_t bytepos = 0; | |
795 | ||
8a603e13 SA |
796 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); |
797 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
27a3f09b | 798 | output[out_sample_pos + i] = 0; |
47747218 | 799 | |
27a3f09b SA |
800 | for (unsigned int i = 0; i < signal_count; i++) { |
801 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
802 | const uint8_t in_sample = 1 & | |
803 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
47747218 | 804 | |
27a3f09b SA |
805 | const uint8_t out_sample = output[out_sample_pos + bytepos]; |
806 | ||
807 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
808 | ||
809 | bitpos++; | |
810 | if (bitpos > 7) { | |
811 | bitpos = 0; | |
812 | bytepos++; | |
813 | } | |
814 | } | |
47747218 SA |
815 | } |
816 | ||
8a603e13 | 817 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); |
27a3f09b SA |
818 | delete[] output; |
819 | ||
820 | for (const uint8_t* data : signal_data) | |
821 | delete[] data; | |
822 | } | |
823 | ||
824 | void DecodeSignal::logic_mux_proc() | |
825 | { | |
ed535cd7 SA |
826 | uint32_t segment_id = 0; |
827 | ||
8a603e13 SA |
828 | assert(logic_mux_data_); |
829 | ||
65efd025 SA |
830 | // Create initial logic mux segment |
831 | shared_ptr<LogicSegment> output_segment = | |
85a70280 SA |
832 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
833 | logic_mux_unit_size_, 0); | |
65efd025 | 834 | logic_mux_data_->push_segment(output_segment); |
8a603e13 SA |
835 | |
836 | output_segment->set_samplerate(get_input_samplerate(0)); | |
ed535cd7 | 837 | |
27a3f09b | 838 | do { |
ed535cd7 | 839 | const uint64_t input_sample_count = get_working_sample_count(segment_id); |
8a603e13 | 840 | const uint64_t output_sample_count = output_segment->get_sample_count(); |
27a3f09b SA |
841 | |
842 | const uint64_t samples_to_process = | |
843 | (input_sample_count > output_sample_count) ? | |
844 | (input_sample_count - output_sample_count) : 0; | |
845 | ||
846 | // Process the samples if necessary... | |
847 | if (samples_to_process > 0) { | |
8a603e13 | 848 | const uint64_t unit_size = output_segment->unit_size(); |
27a3f09b SA |
849 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; |
850 | ||
851 | uint64_t processed_samples = 0; | |
852 | do { | |
853 | const uint64_t start_sample = output_sample_count + processed_samples; | |
854 | const uint64_t sample_count = | |
855 | min(samples_to_process - processed_samples, chunk_sample_count); | |
856 | ||
ed535cd7 | 857 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); |
27a3f09b SA |
858 | processed_samples += sample_count; |
859 | ||
860 | // ...and process the newly muxed logic data | |
861 | decode_input_cond_.notify_one(); | |
3b5282a2 | 862 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); |
27a3f09b SA |
863 | } |
864 | ||
1ec191ed | 865 | if (samples_to_process == 0) { |
ed535cd7 SA |
866 | // TODO Optimize this by caching the input segment count and only |
867 | // querying it when the cached value was reached | |
868 | if (segment_id < get_input_segment_count() - 1) { | |
869 | // Process next segment | |
870 | segment_id++; | |
871 | ||
65efd025 | 872 | output_segment = |
85a70280 SA |
873 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
874 | logic_mux_unit_size_, 0); | |
65efd025 | 875 | logic_mux_data_->push_segment(output_segment); |
ba5f2186 | 876 | |
8a603e13 SA |
877 | output_segment->set_samplerate(get_input_samplerate(segment_id)); |
878 | ||
ed535cd7 SA |
879 | } else { |
880 | // All segments have been processed | |
881 | logic_mux_data_invalid_ = false; | |
882 | ||
883 | // Wait for more input | |
884 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
885 | logic_mux_cond_.wait(logic_mux_lock); | |
886 | } | |
27a3f09b | 887 | } |
1ec191ed | 888 | } while (!logic_mux_interrupt_); |
47747218 SA |
889 | } |
890 | ||
891 | void DecodeSignal::decode_data( | |
8a603e13 SA |
892 | const int64_t abs_start_samplenum, const int64_t sample_count, |
893 | const shared_ptr<LogicSegment> input_segment) | |
47747218 | 894 | { |
8a603e13 | 895 | const int64_t unit_size = input_segment->unit_size(); |
27a3f09b | 896 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; |
47747218 SA |
897 | |
898 | for (int64_t i = abs_start_samplenum; | |
899 | !decode_interrupt_ && (i < (abs_start_samplenum + sample_count)); | |
900 | i += chunk_sample_count) { | |
901 | ||
902 | const int64_t chunk_end = min(i + chunk_sample_count, | |
903 | abs_start_samplenum + sample_count); | |
904 | ||
e06cf18d SA |
905 | // Report this chunk as already decoded so that annotations don't |
906 | // appear in an area that we claim to not having been been decoded yet | |
907 | { | |
908 | lock_guard<mutex> lock(output_mutex_); | |
909 | segments_.at(current_segment_id_).samples_decoded = chunk_end; | |
910 | } | |
911 | ||
b82243f7 SA |
912 | int64_t data_size = (chunk_end - i) * unit_size; |
913 | uint8_t* chunk = new uint8_t[data_size]; | |
8a603e13 | 914 | input_segment->get_samples(i, chunk_end, chunk); |
47747218 | 915 | |
e91883bb | 916 | if (srd_session_send(srd_session_, i, chunk_end, chunk, |
b82243f7 | 917 | data_size, unit_size) != SRD_OK) { |
403c3e87 | 918 | set_error_message(tr("Decoder reported an error")); |
47747218 SA |
919 | delete[] chunk; |
920 | break; | |
921 | } | |
a3ebd556 | 922 | |
47747218 SA |
923 | delete[] chunk; |
924 | ||
1b56c646 SA |
925 | // Notify the frontend that we processed some data and |
926 | // possibly have new annotations as well | |
927 | new_annotations(); | |
47747218 SA |
928 | } |
929 | } | |
930 | ||
931 | void DecodeSignal::decode_proc() | |
932 | { | |
65efd025 SA |
933 | current_segment_id_ = 0; |
934 | ||
935 | // If there is no input data available yet, wait until it is or we're interrupted | |
936 | if (logic_mux_data_->logic_segments().size() == 0) { | |
937 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
938 | decode_input_cond_.wait(input_wait_lock); | |
939 | } | |
a3ebd556 SA |
940 | |
941 | if (decode_interrupt_) | |
942 | return; | |
943 | ||
8a603e13 | 944 | shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front(); |
8a603e13 | 945 | assert(input_segment); |
65efd025 SA |
946 | |
947 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
948 | create_decode_segment(); | |
8a603e13 | 949 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 950 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 951 | |
65efd025 SA |
952 | start_srd_session(); |
953 | ||
954 | uint64_t sample_count = 0; | |
27a3f09b | 955 | uint64_t abs_start_samplenum = 0; |
47747218 | 956 | do { |
27a3f09b SA |
957 | // Keep processing new samples until we exhaust the input data |
958 | do { | |
767bf4e7 | 959 | lock_guard<mutex> input_lock(input_mutex_); |
8a603e13 | 960 | sample_count = input_segment->get_sample_count() - abs_start_samplenum; |
27a3f09b SA |
961 | |
962 | if (sample_count > 0) { | |
8a603e13 | 963 | decode_data(abs_start_samplenum, sample_count, input_segment); |
27a3f09b SA |
964 | abs_start_samplenum += sample_count; |
965 | } | |
1b56c646 SA |
966 | } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_); |
967 | ||
8a603e13 SA |
968 | if (error_message_.isEmpty() && !decode_interrupt_ && sample_count == 0) { |
969 | if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) { | |
970 | // Process next segment | |
971 | current_segment_id_++; | |
972 | ||
973 | try { | |
974 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
30677c13 | 975 | } catch (out_of_range&) { |
8a603e13 SA |
976 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ |
977 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
978 | << logic_mux_data_->logic_segments().size(); | |
979 | return; | |
980 | } | |
981 | abs_start_samplenum = 0; | |
982 | ||
65efd025 SA |
983 | // Create the next segment and set its metadata |
984 | create_decode_segment(); | |
8a603e13 | 985 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 986 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 987 | |
90ca4cc8 SA |
988 | // Reset decoder state but keep the decoder stack intact |
989 | terminate_srd_session(); | |
8a603e13 SA |
990 | } else { |
991 | // All segments have been processed | |
1b56c646 | 992 | decode_finished(); |
27a3f09b | 993 | |
8a603e13 SA |
994 | // Wait for new input data or an interrupt was requested |
995 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
996 | decode_input_cond_.wait(input_wait_lock); | |
997 | } | |
27a3f09b SA |
998 | } |
999 | } while (error_message_.isEmpty() && !decode_interrupt_); | |
ce0b6a40 GS |
1000 | |
1001 | // Potentially reap decoders when the application no longer is | |
1002 | // interested in their (pending) results. | |
1003 | if (decode_interrupt_) | |
1004 | terminate_srd_session(); | |
e91883bb SA |
1005 | } |
1006 | ||
1007 | void DecodeSignal::start_srd_session() | |
1008 | { | |
8ce0e732 SA |
1009 | // If there were stack changes, the session has been destroyed by now, so if |
1010 | // it hasn't been destroyed, we can just reset and re-use it | |
ce0b6a40 GS |
1011 | if (srd_session_) { |
1012 | // When a decoder stack was created before, re-use it | |
1013 | // for the next stream of input data, after terminating | |
1014 | // potentially still executing operations, and resetting | |
1015 | // internal state. Skip the rather expensive (teardown | |
1016 | // and) construction of another decoder stack. | |
1017 | ||
1018 | // TODO Reduce redundancy, use a common code path for | |
72486b78 | 1019 | // the meta/start sequence? |
ce0b6a40 | 1020 | terminate_srd_session(); |
72486b78 SA |
1021 | |
1022 | // Metadata is cleared also, so re-set it | |
7dd518b8 SA |
1023 | if (segments_.size() > 0) |
1024 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1025 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
72486b78 SA |
1026 | for (const shared_ptr<decode::Decoder> &dec : stack_) |
1027 | dec->apply_all_options(); | |
ce0b6a40 | 1028 | srd_session_start(srd_session_); |
72486b78 | 1029 | |
ce0b6a40 GS |
1030 | return; |
1031 | } | |
e91883bb | 1032 | |
a3ebd556 SA |
1033 | // Create the session |
1034 | srd_session_new(&srd_session_); | |
1035 | assert(srd_session_); | |
47747218 | 1036 | |
a3ebd556 SA |
1037 | // Create the decoders |
1038 | srd_decoder_inst *prev_di = nullptr; | |
1039 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
1040 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); | |
e91883bb | 1041 | |
a3ebd556 | 1042 | if (!di) { |
403c3e87 | 1043 | set_error_message(tr("Failed to create decoder instance")); |
a3ebd556 | 1044 | srd_session_destroy(srd_session_); |
c5f9553c | 1045 | srd_session_ = nullptr; |
a3ebd556 SA |
1046 | return; |
1047 | } | |
e91883bb | 1048 | |
a3ebd556 SA |
1049 | if (prev_di) |
1050 | srd_inst_stack(srd_session_, prev_di, di); | |
e91883bb | 1051 | |
a3ebd556 | 1052 | prev_di = di; |
e91883bb | 1053 | } |
a3ebd556 SA |
1054 | |
1055 | // Start the session | |
7dd518b8 SA |
1056 | if (segments_.size() > 0) |
1057 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1058 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
a3ebd556 SA |
1059 | |
1060 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1061 | DecodeSignal::annotation_callback, this); | |
1062 | ||
1063 | srd_session_start(srd_session_); | |
e3202557 SA |
1064 | |
1065 | // We just recreated the srd session, so all stack changes are applied now | |
1066 | stack_config_changed_ = false; | |
e91883bb | 1067 | } |
47747218 | 1068 | |
ce0b6a40 GS |
1069 | void DecodeSignal::terminate_srd_session() |
1070 | { | |
1071 | // Call the "terminate and reset" routine for the decoder stack | |
1072 | // (if available). This does not harm those stacks which already | |
1073 | // have completed their operation, and reduces response time for | |
1074 | // those stacks which still are processing data while the | |
1075 | // application no longer wants them to. | |
72486b78 | 1076 | if (srd_session_) { |
ce0b6a40 | 1077 | srd_session_terminate_reset(srd_session_); |
72486b78 SA |
1078 | |
1079 | // Metadata is cleared also, so re-set it | |
7dd518b8 SA |
1080 | if (segments_.size() > 0) |
1081 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1082 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
72486b78 SA |
1083 | for (const shared_ptr<decode::Decoder> &dec : stack_) |
1084 | dec->apply_all_options(); | |
1085 | } | |
ce0b6a40 GS |
1086 | } |
1087 | ||
e91883bb SA |
1088 | void DecodeSignal::stop_srd_session() |
1089 | { | |
1090 | if (srd_session_) { | |
1091 | // Destroy the session | |
1092 | srd_session_destroy(srd_session_); | |
1093 | srd_session_ = nullptr; | |
8ce0e732 SA |
1094 | |
1095 | // Mark the decoder instances as non-existant since they were deleted | |
1096 | for (const shared_ptr<decode::Decoder> &dec : stack_) | |
1097 | dec->invalidate_decoder_inst(); | |
e91883bb | 1098 | } |
47747218 SA |
1099 | } |
1100 | ||
a8a9222d SA |
1101 | void DecodeSignal::connect_input_notifiers() |
1102 | { | |
1103 | // Disconnect the notification slot from the previous set of signals | |
1b56c646 | 1104 | disconnect(this, SLOT(on_data_cleared())); |
a8a9222d SA |
1105 | disconnect(this, SLOT(on_data_received())); |
1106 | ||
1107 | // Connect the currently used signals to our slot | |
1108 | for (data::DecodeChannel &ch : channels_) { | |
1109 | if (!ch.assigned_signal) | |
1110 | continue; | |
1111 | ||
1b56c646 SA |
1112 | const data::SignalBase *signal = ch.assigned_signal; |
1113 | connect(signal, SIGNAL(samples_cleared()), | |
1114 | this, SLOT(on_data_cleared())); | |
b10b58f4 | 1115 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), |
a8a9222d SA |
1116 | this, SLOT(on_data_received())); |
1117 | } | |
1118 | } | |
1119 | ||
65efd025 | 1120 | void DecodeSignal::create_decode_segment() |
4913560f | 1121 | { |
65efd025 SA |
1122 | // Create annotation segment |
1123 | segments_.emplace_back(DecodeSegment()); | |
72435789 | 1124 | |
65efd025 SA |
1125 | // Add annotation classes |
1126 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
1127 | assert(dec); | |
1128 | const srd_decoder *const decc = dec->decoder(); | |
1129 | assert(dec->decoder()); | |
4913560f | 1130 | |
65efd025 SA |
1131 | // Add a row for the decoder if it doesn't have a row list |
1132 | if (!decc->annotation_rows) | |
1133 | (segments_.back().annotation_rows)[Row(decc)] = | |
1134 | decode::RowData(); | |
4913560f | 1135 | |
65efd025 SA |
1136 | // Add the decoder rows |
1137 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
1138 | const srd_decoder_annotation_row *const ann_row = | |
1139 | (srd_decoder_annotation_row *)l->data; | |
1140 | assert(ann_row); | |
4913560f | 1141 | |
65efd025 | 1142 | const Row row(decc, ann_row); |
4913560f | 1143 | |
65efd025 SA |
1144 | // Add a new empty row data object |
1145 | (segments_.back().annotation_rows)[row] = | |
1146 | decode::RowData(); | |
4913560f SA |
1147 | } |
1148 | } | |
1149 | } | |
1150 | ||
47747218 SA |
1151 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) |
1152 | { | |
1153 | assert(pdata); | |
b21501d6 | 1154 | assert(decode_signal); |
47747218 SA |
1155 | |
1156 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1157 | assert(ds); | |
1158 | ||
3b5282a2 SA |
1159 | if (ds->decode_interrupt_) |
1160 | return; | |
1161 | ||
47747218 SA |
1162 | lock_guard<mutex> lock(ds->output_mutex_); |
1163 | ||
47747218 SA |
1164 | // Find the row |
1165 | assert(pdata->pdo); | |
1166 | assert(pdata->pdo->di); | |
1167 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
1168 | assert(decc); | |
1169 | ||
1becee23 UH |
1170 | const srd_proto_data_annotation *const pda = |
1171 | (const srd_proto_data_annotation*)pdata->data; | |
1172 | assert(pda); | |
1173 | ||
8a603e13 | 1174 | auto row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.end(); |
47747218 SA |
1175 | |
1176 | // Try looking up the sub-row of this class | |
1becee23 UH |
1177 | const auto format = pda->ann_class; |
1178 | const auto r = ds->class_rows_.find(make_pair(decc, format)); | |
47747218 | 1179 | if (r != ds->class_rows_.end()) |
8a603e13 | 1180 | row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find((*r).second); |
47747218 SA |
1181 | else { |
1182 | // Failing that, use the decoder as a key | |
8a603e13 | 1183 | row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find(Row(decc)); |
47747218 SA |
1184 | } |
1185 | ||
8a603e13 | 1186 | if (row_iter == ds->segments_.at(ds->current_segment_id_).annotation_rows.end()) { |
47747218 | 1187 | qDebug() << "Unexpected annotation: decoder = " << decc << |
1becee23 | 1188 | ", format = " << format; |
47747218 SA |
1189 | assert(false); |
1190 | return; | |
1191 | } | |
1192 | ||
1193 | // Add the annotation | |
1becee23 | 1194 | (*row_iter).second.emplace_annotation(pdata); |
47747218 SA |
1195 | } |
1196 | ||
1197 | void DecodeSignal::on_capture_state_changed(int state) | |
1198 | { | |
1199 | // If a new acquisition was started, we need to start decoding from scratch | |
ba5f2186 SA |
1200 | if (state == Session::Running) { |
1201 | logic_mux_data_invalid_ = true; | |
47747218 | 1202 | begin_decode(); |
ba5f2186 | 1203 | } |
47747218 SA |
1204 | } |
1205 | ||
1b56c646 SA |
1206 | void DecodeSignal::on_data_cleared() |
1207 | { | |
1208 | reset_decode(); | |
1209 | } | |
1210 | ||
47747218 SA |
1211 | void DecodeSignal::on_data_received() |
1212 | { | |
5620539c SA |
1213 | // If we detected a lack of input data when trying to start decoding, |
1214 | // we have set an error message. Only try again if we now have data | |
1215 | // to work with | |
1216 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1217 | return; | |
1218 | ||
1b56c646 SA |
1219 | if (!logic_mux_thread_.joinable()) |
1220 | begin_decode(); | |
1221 | else | |
1222 | logic_mux_cond_.notify_one(); | |
47747218 SA |
1223 | } |
1224 | ||
ad908057 SA |
1225 | } // namespace data |
1226 | } // namespace pv |