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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 | ||
c0c3e62a | 20 | #include <cstring> |
5a914348 | 21 | #include <forward_list> |
0c5fe73e SA |
22 | #include <limits> |
23 | ||
47747218 SA |
24 | #include <QDebug> |
25 | ||
ad908057 SA |
26 | #include "logic.hpp" |
27 | #include "logicsegment.hpp" | |
28 | #include "decodesignal.hpp" | |
29 | #include "signaldata.hpp" | |
30 | ||
ad908057 | 31 | #include <pv/data/decode/decoder.hpp> |
ecd07c20 | 32 | #include <pv/data/decode/row.hpp> |
d3feec23 | 33 | #include <pv/globalsettings.hpp> |
ad908057 SA |
34 | #include <pv/session.hpp> |
35 | ||
5a914348 | 36 | using std::forward_list; |
47747218 SA |
37 | using std::lock_guard; |
38 | using std::make_pair; | |
ad908057 | 39 | using std::make_shared; |
0c5fe73e | 40 | using std::min; |
5ecf957f | 41 | using std::out_of_range; |
ad908057 | 42 | using std::shared_ptr; |
47747218 SA |
43 | using std::unique_lock; |
44 | using pv::data::decode::Annotation; | |
a82325d1 | 45 | using pv::data::decode::DecodeChannel; |
ad908057 | 46 | using pv::data::decode::Decoder; |
ecd07c20 | 47 | using pv::data::decode::Row; |
ad908057 SA |
48 | |
49 | namespace pv { | |
50 | namespace data { | |
51 | ||
47747218 SA |
52 | const double DecodeSignal::DecodeMargin = 1.0; |
53 | const double DecodeSignal::DecodeThreshold = 0.2; | |
3fbddf7f | 54 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; |
ad908057 | 55 | |
ad908057 | 56 | |
47747218 SA |
57 | DecodeSignal::DecodeSignal(pv::Session &session) : |
58 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
59 | session_(session), | |
e91883bb | 60 | srd_session_(nullptr), |
47747218 | 61 | logic_mux_data_invalid_(false), |
e3202557 | 62 | stack_config_changed_(true), |
8a603e13 | 63 | current_segment_id_(0) |
ad908057 | 64 | { |
47747218 SA |
65 | connect(&session_, SIGNAL(capture_state_changed(int)), |
66 | this, SLOT(on_capture_state_changed(int))); | |
ad908057 SA |
67 | } |
68 | ||
47747218 | 69 | DecodeSignal::~DecodeSignal() |
ad908057 | 70 | { |
8ce0e732 | 71 | reset_decode(true); |
ad908057 SA |
72 | } |
73 | ||
47747218 | 74 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const |
ecd07c20 | 75 | { |
47747218 | 76 | return stack_; |
ecd07c20 SA |
77 | } |
78 | ||
c8e60bdf | 79 | void DecodeSignal::stack_decoder(const srd_decoder *decoder) |
ad908057 SA |
80 | { |
81 | assert(decoder); | |
762ab7a4 | 82 | |
b9591f3a SA |
83 | // Set name if this decoder is the first in the list or the name is unchanged |
84 | const srd_decoder* prev_dec = | |
85 | stack_.empty() ? nullptr : stack_.back()->decoder(); | |
86 | const QString prev_dec_name = | |
87 | prev_dec ? QString::fromUtf8(prev_dec->name) : QString(); | |
47747218 | 88 | |
b9591f3a | 89 | if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name))) |
47747218 | 90 | set_name(QString::fromUtf8(decoder->name)); |
132a5c6d | 91 | |
b9591f3a SA |
92 | const shared_ptr<Decoder> dec = make_shared<decode::Decoder>(decoder); |
93 | stack_.push_back(dec); | |
94 | ||
27a3f09b | 95 | // Include the newly created decode channels in the channel lists |
9f97b357 | 96 | update_channel_list(); |
132a5c6d | 97 | |
e3202557 | 98 | stack_config_changed_ = true; |
762ab7a4 | 99 | auto_assign_signals(dec); |
27a3f09b | 100 | commit_decoder_channels(); |
e77de61f SA |
101 | |
102 | decoder_stacked((void*)dec.get()); | |
103 | ||
47747218 | 104 | begin_decode(); |
ad908057 SA |
105 | } |
106 | ||
107 | void DecodeSignal::remove_decoder(int index) | |
108 | { | |
47747218 SA |
109 | assert(index >= 0); |
110 | assert(index < (int)stack_.size()); | |
111 | ||
112 | // Find the decoder in the stack | |
113 | auto iter = stack_.begin(); | |
114 | for (int i = 0; i < index; i++, iter++) | |
115 | assert(iter != stack_.end()); | |
116 | ||
e77de61f SA |
117 | decoder_removed(iter->get()); |
118 | ||
47747218 SA |
119 | // Delete the element |
120 | stack_.erase(iter); | |
121 | ||
122 | // Update channels and decoded data | |
e3202557 | 123 | stack_config_changed_ = true; |
9f97b357 | 124 | update_channel_list(); |
47747218 | 125 | begin_decode(); |
ad908057 SA |
126 | } |
127 | ||
128 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
129 | { | |
47747218 | 130 | auto iter = stack_.cbegin(); |
ad908057 | 131 | for (int i = 0; i < index; i++, iter++) |
47747218 | 132 | assert(iter != stack_.end()); |
ad908057 SA |
133 | |
134 | shared_ptr<Decoder> dec = *iter; | |
135 | ||
136 | // Toggle decoder visibility | |
137 | bool state = false; | |
138 | if (dec) { | |
139 | state = !dec->shown(); | |
140 | dec->show(state); | |
141 | } | |
142 | ||
143 | return state; | |
144 | } | |
145 | ||
8ce0e732 | 146 | void DecodeSignal::reset_decode(bool shutting_down) |
47747218 | 147 | { |
8ce0e732 | 148 | if (stack_config_changed_ || shutting_down) |
e3202557 SA |
149 | stop_srd_session(); |
150 | else | |
151 | terminate_srd_session(); | |
ce0b6a40 | 152 | |
1b56c646 SA |
153 | if (decode_thread_.joinable()) { |
154 | decode_interrupt_ = true; | |
155 | decode_input_cond_.notify_one(); | |
156 | decode_thread_.join(); | |
157 | } | |
158 | ||
159 | if (logic_mux_thread_.joinable()) { | |
160 | logic_mux_interrupt_ = true; | |
161 | logic_mux_cond_.notify_one(); | |
162 | logic_mux_thread_.join(); | |
163 | } | |
164 | ||
dda88657 | 165 | resume_decode(); // Make sure the decode thread isn't blocked by pausing |
556259d2 | 166 | |
47747218 | 167 | class_rows_.clear(); |
8a603e13 | 168 | current_segment_id_ = 0; |
72435789 | 169 | segments_.clear(); |
1b56c646 SA |
170 | |
171 | logic_mux_data_.reset(); | |
172 | logic_mux_data_invalid_ = true; | |
eee3eab9 | 173 | |
403c3e87 SA |
174 | if (!error_message_.isEmpty()) { |
175 | error_message_ = QString(); | |
fe060a48 SA |
176 | // TODO Emulate noquote() |
177 | qDebug().nospace() << name() << ": Error cleared"; | |
403c3e87 | 178 | } |
72435789 | 179 | |
eee3eab9 | 180 | decode_reset(); |
47747218 SA |
181 | } |
182 | ||
946b52e1 SA |
183 | void DecodeSignal::begin_decode() |
184 | { | |
47747218 SA |
185 | if (decode_thread_.joinable()) { |
186 | decode_interrupt_ = true; | |
187 | decode_input_cond_.notify_one(); | |
188 | decode_thread_.join(); | |
189 | } | |
190 | ||
191 | if (logic_mux_thread_.joinable()) { | |
192 | logic_mux_interrupt_ = true; | |
193 | logic_mux_cond_.notify_one(); | |
194 | logic_mux_thread_.join(); | |
195 | } | |
196 | ||
197 | reset_decode(); | |
198 | ||
27a3f09b | 199 | if (stack_.size() == 0) { |
403c3e87 | 200 | set_error_message(tr("No decoders")); |
27a3f09b SA |
201 | return; |
202 | } | |
203 | ||
204 | assert(channels_.size() > 0); | |
205 | ||
206 | if (get_assigned_signal_count() == 0) { | |
403c3e87 | 207 | set_error_message(tr("There are no channels assigned to this decoder")); |
27a3f09b SA |
208 | return; |
209 | } | |
210 | ||
04627946 SA |
211 | // Make sure that all assigned channels still provide logic data |
212 | // (can happen when a converted signal was assigned but the | |
213 | // conversion removed in the meanwhile) | |
a82325d1 | 214 | for (decode::DecodeChannel& ch : channels_) |
04627946 SA |
215 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) |
216 | ch.assigned_signal = nullptr; | |
217 | ||
47747218 | 218 | // Check that all decoders have the required channels |
f4ab4b5c | 219 | for (const shared_ptr<decode::Decoder>& dec : stack_) |
47747218 | 220 | if (!dec->have_required_channels()) { |
403c3e87 SA |
221 | set_error_message(tr("One or more required channels " |
222 | "have not been specified")); | |
47747218 SA |
223 | return; |
224 | } | |
225 | ||
4913560f | 226 | // Map out all the annotation classes |
f9807084 | 227 | int row_index = 0; |
f4ab4b5c | 228 | for (const shared_ptr<decode::Decoder>& dec : stack_) { |
47747218 SA |
229 | assert(dec); |
230 | const srd_decoder *const decc = dec->decoder(); | |
231 | assert(dec->decoder()); | |
232 | ||
47747218 SA |
233 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { |
234 | const srd_decoder_annotation_row *const ann_row = | |
235 | (srd_decoder_annotation_row *)l->data; | |
236 | assert(ann_row); | |
237 | ||
f9807084 | 238 | const Row row(row_index++, decc, ann_row); |
47747218 | 239 | |
47747218 SA |
240 | for (const GSList *ll = ann_row->ann_classes; |
241 | ll; ll = ll->next) | |
242 | class_rows_[make_pair(decc, | |
243 | GPOINTER_TO_INT(ll->data))] = row; | |
244 | } | |
245 | } | |
246 | ||
27a3f09b SA |
247 | // Free the logic data and its segment(s) if it needs to be updated |
248 | if (logic_mux_data_invalid_) | |
249 | logic_mux_data_.reset(); | |
250 | ||
251 | if (!logic_mux_data_) { | |
72435789 | 252 | const uint32_t ch_count = get_assigned_signal_count(); |
ed535cd7 | 253 | logic_mux_unit_size_ = (ch_count + 7) / 8; |
27a3f09b | 254 | logic_mux_data_ = make_shared<Logic>(ch_count); |
27a3f09b | 255 | } |
47747218 | 256 | |
ed535cd7 SA |
257 | // Receive notifications when new sample data is available |
258 | connect_input_notifiers(); | |
259 | ||
8a603e13 | 260 | if (get_input_segment_count() == 0) { |
403c3e87 | 261 | set_error_message(tr("No input data")); |
ed535cd7 SA |
262 | return; |
263 | } | |
264 | ||
27a3f09b SA |
265 | // Make sure the logic output data is complete and up-to-date |
266 | logic_mux_interrupt_ = false; | |
267 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
268 | ||
269 | // Decode the muxed logic data | |
47747218 SA |
270 | decode_interrupt_ = false; |
271 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
272 | } |
273 | ||
556259d2 SA |
274 | void DecodeSignal::pause_decode() |
275 | { | |
276 | decode_paused_ = true; | |
277 | } | |
278 | ||
279 | void DecodeSignal::resume_decode() | |
280 | { | |
281 | // Manual unlocking is done before notifying, to avoid waking up the | |
282 | // waiting thread only to block again (see notify_one for details) | |
283 | decode_pause_mutex_.unlock(); | |
284 | decode_pause_cond_.notify_one(); | |
285 | decode_paused_ = false; | |
286 | } | |
287 | ||
288 | bool DecodeSignal::is_paused() const | |
289 | { | |
290 | return decode_paused_; | |
291 | } | |
292 | ||
ecd07c20 SA |
293 | QString DecodeSignal::error_message() const |
294 | { | |
47747218 SA |
295 | lock_guard<mutex> lock(output_mutex_); |
296 | return error_message_; | |
ecd07c20 SA |
297 | } |
298 | ||
a82325d1 | 299 | const vector<decode::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
300 | { |
301 | return channels_; | |
302 | } | |
303 | ||
762ab7a4 | 304 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) |
132a5c6d | 305 | { |
47747218 SA |
306 | bool new_assignment = false; |
307 | ||
132a5c6d | 308 | // Try to auto-select channels that don't have signals assigned yet |
a82325d1 | 309 | for (decode::DecodeChannel& ch : channels_) { |
762ab7a4 SA |
310 | // If a decoder is given, auto-assign only its channels |
311 | if (dec && (ch.decoder_ != dec)) | |
312 | continue; | |
313 | ||
132a5c6d SA |
314 | if (ch.assigned_signal) |
315 | continue; | |
316 | ||
c526a8fd SA |
317 | QString ch_name = ch.name.toLower(); |
318 | ch_name = ch_name.replace(QRegExp("[-_.]"), " "); | |
a8030bb0 SA |
319 | |
320 | shared_ptr<data::SignalBase> match; | |
f4ab4b5c | 321 | for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) { |
f9ebf303 SA |
322 | if (!s->enabled()) |
323 | continue; | |
324 | ||
c526a8fd SA |
325 | QString s_name = s->name().toLower(); |
326 | s_name = s_name.replace(QRegExp("[-_.]"), " "); | |
692f6093 SA |
327 | |
328 | if (s->logic_data() && | |
329 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
a8030bb0 SA |
330 | if (!match) |
331 | match = s; | |
332 | else { | |
333 | // Only replace an existing match if it matches more characters | |
334 | int old_unmatched = ch_name.length() - match->name().length(); | |
335 | int new_unmatched = ch_name.length() - s->name().length(); | |
336 | if (abs(new_unmatched) < abs(old_unmatched)) | |
337 | match = s; | |
338 | } | |
47747218 | 339 | } |
692f6093 | 340 | } |
a8030bb0 SA |
341 | |
342 | if (match) { | |
343 | ch.assigned_signal = match.get(); | |
344 | new_assignment = true; | |
345 | } | |
47747218 SA |
346 | } |
347 | ||
348 | if (new_assignment) { | |
349 | logic_mux_data_invalid_ = true; | |
e3202557 | 350 | stack_config_changed_ = true; |
27a3f09b | 351 | commit_decoder_channels(); |
47747218 | 352 | channels_updated(); |
132a5c6d SA |
353 | } |
354 | } | |
355 | ||
9f97b357 SA |
356 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
357 | { | |
a82325d1 | 358 | for (decode::DecodeChannel& ch : channels_) |
47747218 | 359 | if (ch.id == channel_id) { |
9f97b357 | 360 | ch.assigned_signal = signal; |
47747218 SA |
361 | logic_mux_data_invalid_ = true; |
362 | } | |
9f97b357 | 363 | |
e3202557 | 364 | stack_config_changed_ = true; |
27a3f09b | 365 | commit_decoder_channels(); |
9f97b357 | 366 | channels_updated(); |
47747218 | 367 | begin_decode(); |
9f97b357 SA |
368 | } |
369 | ||
27a3f09b SA |
370 | int DecodeSignal::get_assigned_signal_count() const |
371 | { | |
372 | // Count all channels that have a signal assigned to them | |
373 | return count_if(channels_.begin(), channels_.end(), | |
a82325d1 | 374 | [](decode::DecodeChannel ch) { return ch.assigned_signal; }); |
27a3f09b SA |
375 | } |
376 | ||
9f97b357 SA |
377 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) |
378 | { | |
a82325d1 | 379 | for (decode::DecodeChannel& ch : channels_) |
9f97b357 SA |
380 | if (ch.id == channel_id) |
381 | ch.initial_pin_state = init_state; | |
382 | ||
e3202557 | 383 | stack_config_changed_ = true; |
9f97b357 | 384 | channels_updated(); |
47747218 | 385 | begin_decode(); |
9f97b357 SA |
386 | } |
387 | ||
ff83d980 SA |
388 | double DecodeSignal::samplerate() const |
389 | { | |
72435789 SA |
390 | double result = 0; |
391 | ||
392 | // TODO For now, we simply return the first samplerate that we have | |
8a603e13 SA |
393 | if (segments_.size() > 0) |
394 | result = segments_.front().samplerate; | |
72435789 SA |
395 | |
396 | return result; | |
ff83d980 SA |
397 | } |
398 | ||
72435789 | 399 | const pv::util::Timestamp DecodeSignal::start_time() const |
ff83d980 | 400 | { |
72435789 SA |
401 | pv::util::Timestamp result; |
402 | ||
403 | // TODO For now, we simply return the first start time that we have | |
8a603e13 SA |
404 | if (segments_.size() > 0) |
405 | result = segments_.front().start_time; | |
72435789 SA |
406 | |
407 | return result; | |
ff83d980 SA |
408 | } |
409 | ||
5ecf957f | 410 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const |
0c5fe73e SA |
411 | { |
412 | // The working sample count is the highest sample number for | |
ed535cd7 SA |
413 | // which all used signals have data available, so go through all |
414 | // channels and use the lowest overall sample count of the segment | |
0c5fe73e | 415 | |
0c5fe73e SA |
416 | int64_t count = std::numeric_limits<int64_t>::max(); |
417 | bool no_signals_assigned = true; | |
418 | ||
a82325d1 | 419 | for (const decode::DecodeChannel& ch : channels_) |
0c5fe73e SA |
420 | if (ch.assigned_signal) { |
421 | no_signals_assigned = false; | |
422 | ||
423 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
424 | if (!logic_data || logic_data->logic_segments().empty()) | |
425 | return 0; | |
426 | ||
5ecf957f SA |
427 | try { |
428 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
429 | count = min(count, (int64_t)segment->get_sample_count()); | |
30677c13 | 430 | } catch (out_of_range&) { |
5ecf957f SA |
431 | return 0; |
432 | } | |
0c5fe73e SA |
433 | } |
434 | ||
435 | return (no_signals_assigned ? 0 : count); | |
436 | } | |
437 | ||
b82908ab SA |
438 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id, |
439 | bool include_processing) const | |
ff83d980 | 440 | { |
47747218 | 441 | lock_guard<mutex> decode_lock(output_mutex_); |
5ecf957f SA |
442 | |
443 | int64_t result = 0; | |
444 | ||
c8a6db0e SA |
445 | if (segment_id >= segments_.size()) |
446 | return result; | |
447 | ||
448 | if (include_processing) | |
449 | result = segments_[segment_id].samples_decoded_incl; | |
450 | else | |
451 | result = segments_[segment_id].samples_decoded_excl; | |
5ecf957f SA |
452 | |
453 | return result; | |
ff83d980 SA |
454 | } |
455 | ||
ab185f78 | 456 | vector<Row> DecodeSignal::get_rows(bool visible_only) const |
ecd07c20 | 457 | { |
47747218 SA |
458 | lock_guard<mutex> lock(output_mutex_); |
459 | ||
460 | vector<Row> rows; | |
461 | ||
f4ab4b5c | 462 | for (const shared_ptr<decode::Decoder>& dec : stack_) { |
47747218 | 463 | assert(dec); |
ab185f78 | 464 | if (visible_only && !dec->shown()) |
47747218 SA |
465 | continue; |
466 | ||
467 | const srd_decoder *const decc = dec->decoder(); | |
468 | assert(dec->decoder()); | |
469 | ||
f9807084 | 470 | int row_index = 0; |
47747218 SA |
471 | // Add a row for the decoder if it doesn't have a row list |
472 | if (!decc->annotation_rows) | |
f9807084 | 473 | rows.emplace_back(row_index++, decc); |
47747218 SA |
474 | |
475 | // Add the decoder rows | |
476 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
477 | const srd_decoder_annotation_row *const ann_row = | |
478 | (srd_decoder_annotation_row *)l->data; | |
479 | assert(ann_row); | |
f9807084 | 480 | rows.emplace_back(row_index++, decc, ann_row); |
47747218 SA |
481 | } |
482 | } | |
483 | ||
484 | return rows; | |
ecd07c20 SA |
485 | } |
486 | ||
487 | void DecodeSignal::get_annotation_subset( | |
488 | vector<pv::data::decode::Annotation> &dest, | |
72435789 | 489 | const decode::Row &row, uint32_t segment_id, uint64_t start_sample, |
ecd07c20 SA |
490 | uint64_t end_sample) const |
491 | { | |
47747218 SA |
492 | lock_guard<mutex> lock(output_mutex_); |
493 | ||
c8a6db0e SA |
494 | if (segment_id >= segments_.size()) |
495 | return; | |
72435789 | 496 | |
c8a6db0e SA |
497 | const DecodeSegment *segment = &(segments_.at(segment_id)); |
498 | const map<const decode::Row, decode::RowData> *rows = | |
499 | &(segment->annotation_rows); | |
500 | ||
501 | const auto iter = rows->find(row); | |
502 | if (iter != rows->end()) | |
503 | (*iter).second.get_annotation_subset(dest, start_sample, end_sample); | |
47747218 SA |
504 | } |
505 | ||
5a914348 SA |
506 | void DecodeSignal::get_annotation_subset( |
507 | vector<pv::data::decode::Annotation> &dest, | |
508 | uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const | |
509 | { | |
510 | // Note: We put all vectors and lists on the heap, not the stack | |
511 | ||
ab185f78 | 512 | const vector<Row> rows = get_rows(true); |
5a914348 SA |
513 | |
514 | // Use forward_lists for faster merging | |
515 | forward_list<Annotation> *all_ann_list = new forward_list<Annotation>(); | |
516 | ||
517 | for (const Row& row : rows) { | |
518 | vector<Annotation> *ann_vector = new vector<Annotation>(); | |
519 | get_annotation_subset(*ann_vector, row, segment_id, start_sample, end_sample); | |
520 | ||
521 | forward_list<Annotation> *ann_list = | |
522 | new forward_list<Annotation>(ann_vector->begin(), ann_vector->end()); | |
523 | delete ann_vector; | |
524 | ||
525 | all_ann_list->merge(*ann_list); | |
526 | delete ann_list; | |
527 | } | |
528 | ||
529 | move(all_ann_list->begin(), all_ann_list->end(), back_inserter(dest)); | |
530 | delete all_ann_list; | |
531 | } | |
532 | ||
e77de61f | 533 | uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id, |
ac9494ef | 534 | const Decoder* dec, uint32_t bin_class_id) const |
c0c3e62a | 535 | { |
c8a6db0e SA |
536 | if (segments_.size() == 0) |
537 | return 0; | |
538 | ||
c0c3e62a SA |
539 | try { |
540 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
541 | |
542 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
543 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
544 | return bc.chunks.size(); | |
c0c3e62a SA |
545 | } catch (out_of_range&) { |
546 | // Do nothing | |
547 | } | |
548 | ||
e77de61f | 549 | return 0; |
c0c3e62a SA |
550 | } |
551 | ||
e77de61f | 552 | void DecodeSignal::get_binary_data_chunk(uint32_t segment_id, |
ac9494ef | 553 | const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id, |
c0c3e62a SA |
554 | const vector<uint8_t> **dest, uint64_t *size) |
555 | { | |
556 | try { | |
557 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
558 | |
559 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
560 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) { | |
561 | if (dest) *dest = &(bc.chunks.at(chunk_id).data); | |
562 | if (size) *size = bc.chunks.at(chunk_id).data.size(); | |
563 | return; | |
564 | } | |
c0c3e62a SA |
565 | } catch (out_of_range&) { |
566 | // Do nothing | |
567 | } | |
568 | } | |
569 | ||
570 | void DecodeSignal::get_binary_data_chunks_merged(uint32_t segment_id, | |
ac9494ef | 571 | const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample, |
e77de61f | 572 | uint64_t end_sample, vector<uint8_t> *dest) const |
c0c3e62a SA |
573 | { |
574 | assert(dest != nullptr); | |
575 | ||
576 | try { | |
577 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
578 | ||
e77de61f SA |
579 | const DecodeBinaryClass* bin_class = nullptr; |
580 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
581 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
582 | bin_class = &bc; | |
583 | ||
c0c3e62a SA |
584 | // Determine overall size before copying to resize dest vector only once |
585 | uint64_t size = 0; | |
163f3499 | 586 | uint64_t matches = 0; |
e77de61f SA |
587 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
588 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
589 | size += chunk.data.size(); | |
4b97fe09 SA |
590 | matches++; |
591 | } | |
592 | dest->resize(size); | |
c0c3e62a | 593 | |
163f3499 SA |
594 | uint64_t offset = 0; |
595 | uint64_t matches2 = 0; | |
e77de61f SA |
596 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
597 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
598 | memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size()); | |
599 | offset += chunk.data.size(); | |
163f3499 SA |
600 | matches2++; |
601 | ||
602 | // Make sure we don't overwrite memory if the array grew in the meanwhile | |
603 | if (matches2 == matches) | |
604 | break; | |
c0c3e62a SA |
605 | } |
606 | } catch (out_of_range&) { | |
607 | // Do nothing | |
608 | } | |
609 | } | |
610 | ||
628b45cc | 611 | const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id, |
ac9494ef | 612 | const data::decode::Decoder* dec, uint32_t bin_class_id) const |
628b45cc SA |
613 | { |
614 | try { | |
615 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
616 | ||
617 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
618 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
619 | return &bc; | |
620 | } catch (out_of_range&) { | |
621 | // Do nothing | |
622 | } | |
623 | ||
624 | return nullptr; | |
625 | } | |
c0c3e62a | 626 | |
47747218 SA |
627 | void DecodeSignal::save_settings(QSettings &settings) const |
628 | { | |
629 | SignalBase::save_settings(settings); | |
630 | ||
c8e60bdf SA |
631 | settings.setValue("decoders", (int)(stack_.size())); |
632 | ||
8b5ea5a1 | 633 | // Save decoder stack |
c8e60bdf | 634 | int decoder_idx = 0; |
f4ab4b5c | 635 | for (const shared_ptr<decode::Decoder>& decoder : stack_) { |
c8e60bdf SA |
636 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); |
637 | ||
638 | settings.setValue("id", decoder->decoder()->id); | |
722c7624 | 639 | settings.setValue("shown", decoder->shown()); |
c8e60bdf | 640 | |
d3feec23 SA |
641 | // Save decoder options |
642 | const map<string, GVariant*>& options = decoder->options(); | |
643 | ||
644 | settings.setValue("options", (int)options.size()); | |
645 | ||
646 | // Note: decode::Decoder::options() returns only the options | |
647 | // that differ from the default. See binding::Decoder::getter() | |
648 | int i = 0; | |
f4ab4b5c | 649 | for (auto& option : options) { |
d3feec23 SA |
650 | settings.beginGroup("option" + QString::number(i)); |
651 | settings.setValue("name", QString::fromStdString(option.first)); | |
652 | GlobalSettings::store_gvariant(settings, option.second); | |
653 | settings.endGroup(); | |
654 | i++; | |
655 | } | |
656 | ||
c8e60bdf SA |
657 | settings.endGroup(); |
658 | } | |
659 | ||
8b5ea5a1 SA |
660 | // Save channel mapping |
661 | settings.setValue("channels", (int)channels_.size()); | |
662 | ||
663 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
664 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 665 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
666 | |
667 | if (channel == channels_.end()) { | |
668 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
669 | continue; | |
670 | } | |
671 | ||
672 | settings.beginGroup("channel" + QString::number(channel_id)); | |
673 | ||
674 | settings.setValue("name", channel->name); // Useful for debugging | |
675 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
676 | ||
677 | if (channel->assigned_signal) | |
678 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
679 | ||
680 | settings.endGroup(); | |
681 | } | |
47747218 SA |
682 | } |
683 | ||
684 | void DecodeSignal::restore_settings(QSettings &settings) | |
685 | { | |
686 | SignalBase::restore_settings(settings); | |
687 | ||
8b5ea5a1 | 688 | // Restore decoder stack |
c8e60bdf SA |
689 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); |
690 | ||
691 | int decoders = settings.value("decoders").toInt(); | |
692 | ||
693 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
694 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
695 | ||
696 | QString id = settings.value("id").toString(); | |
697 | ||
698 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
699 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
700 | if (!dec) | |
701 | continue; | |
702 | ||
703 | if (QString::fromUtf8(dec->id) == id) { | |
d3feec23 SA |
704 | shared_ptr<decode::Decoder> decoder = |
705 | make_shared<decode::Decoder>(dec); | |
706 | ||
707 | stack_.push_back(decoder); | |
722c7624 | 708 | decoder->show(settings.value("shown", true).toBool()); |
d3feec23 SA |
709 | |
710 | // Restore decoder options that differ from their default | |
711 | int options = settings.value("options").toInt(); | |
712 | ||
713 | for (int i = 0; i < options; i++) { | |
714 | settings.beginGroup("option" + QString::number(i)); | |
715 | QString name = settings.value("name").toString(); | |
716 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
717 | decoder->set_option(name.toUtf8(), value); | |
718 | settings.endGroup(); | |
719 | } | |
c8e60bdf SA |
720 | |
721 | // Include the newly created decode channels in the channel lists | |
722 | update_channel_list(); | |
723 | break; | |
724 | } | |
725 | } | |
726 | ||
727 | settings.endGroup(); | |
4ca06ec3 | 728 | channels_updated(); |
c8e60bdf SA |
729 | } |
730 | ||
8b5ea5a1 SA |
731 | // Restore channel mapping |
732 | unsigned int channels = settings.value("channels").toInt(); | |
733 | ||
734 | const unordered_set< shared_ptr<data::SignalBase> > signalbases = | |
735 | session_.signalbases(); | |
736 | ||
737 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
738 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 739 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
740 | |
741 | if (channel == channels_.end()) { | |
742 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
743 | continue; | |
744 | } | |
745 | ||
746 | settings.beginGroup("channel" + QString::number(channel_id)); | |
747 | ||
748 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
749 | ||
f4ab4b5c | 750 | for (const shared_ptr<data::SignalBase>& signal : signalbases) |
8b5ea5a1 SA |
751 | if (signal->name() == assigned_signal_name) |
752 | channel->assigned_signal = signal.get(); | |
753 | ||
754 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
755 | ||
756 | settings.endGroup(); | |
757 | } | |
758 | ||
aa71890d | 759 | // Update the internal structures |
e3202557 | 760 | stack_config_changed_ = true; |
aa71890d SA |
761 | update_channel_list(); |
762 | commit_decoder_channels(); | |
763 | ||
8b5ea5a1 | 764 | begin_decode(); |
47747218 SA |
765 | } |
766 | ||
403c3e87 SA |
767 | void DecodeSignal::set_error_message(QString msg) |
768 | { | |
769 | error_message_ = msg; | |
fe060a48 SA |
770 | // TODO Emulate noquote() |
771 | qDebug().nospace() << name() << ": " << msg; | |
403c3e87 SA |
772 | } |
773 | ||
8a603e13 SA |
774 | uint32_t DecodeSignal::get_input_segment_count() const |
775 | { | |
776 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
777 | bool no_signals_assigned = true; | |
778 | ||
a82325d1 | 779 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
780 | if (ch.assigned_signal) { |
781 | no_signals_assigned = false; | |
782 | ||
783 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
784 | if (!logic_data || logic_data->logic_segments().empty()) | |
785 | return 0; | |
786 | ||
787 | // Find the min value of all segment counts | |
788 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
789 | count = logic_data->logic_segments().size(); | |
790 | } | |
791 | ||
792 | return (no_signals_assigned ? 0 : count); | |
793 | } | |
794 | ||
795 | uint32_t DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
796 | { | |
797 | double samplerate = 0; | |
798 | ||
a82325d1 | 799 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
800 | if (ch.assigned_signal) { |
801 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
802 | if (!logic_data || logic_data->logic_segments().empty()) | |
803 | continue; | |
804 | ||
805 | try { | |
806 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
807 | samplerate = segment->samplerate(); | |
30677c13 | 808 | } catch (out_of_range&) { |
8a603e13 SA |
809 | // Do nothing |
810 | } | |
811 | break; | |
812 | } | |
813 | ||
814 | return samplerate; | |
815 | } | |
816 | ||
9f97b357 SA |
817 | void DecodeSignal::update_channel_list() |
818 | { | |
a82325d1 | 819 | vector<decode::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
820 | channels_.clear(); |
821 | ||
822 | uint16_t id = 0; | |
823 | ||
824 | // Copy existing entries, create new as needed | |
f4ab4b5c | 825 | for (shared_ptr<Decoder>& decoder : stack_) { |
9f97b357 SA |
826 | const srd_decoder* srd_d = decoder->decoder(); |
827 | const GSList *l; | |
828 | ||
829 | // Mandatory channels | |
830 | for (l = srd_d->channels; l; l = l->next) { | |
831 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
832 | bool ch_added = false; | |
833 | ||
834 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 835 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
836 | if (ch.pdch_ == pdch) { |
837 | ch.id = id++; | |
838 | channels_.push_back(ch); | |
839 | ch_added = true; | |
840 | break; | |
841 | } | |
842 | ||
843 | if (!ch_added) { | |
844 | // Create new entry without a mapped signal | |
a82325d1 | 845 | decode::DecodeChannel ch = {id++, 0, false, nullptr, |
9f97b357 SA |
846 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
847 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
848 | channels_.push_back(ch); | |
849 | } | |
850 | } | |
851 | ||
852 | // Optional channels | |
853 | for (l = srd_d->opt_channels; l; l = l->next) { | |
854 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
855 | bool ch_added = false; | |
856 | ||
857 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 858 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
859 | if (ch.pdch_ == pdch) { |
860 | ch.id = id++; | |
861 | channels_.push_back(ch); | |
862 | ch_added = true; | |
863 | break; | |
864 | } | |
865 | ||
866 | if (!ch_added) { | |
867 | // Create new entry without a mapped signal | |
a82325d1 | 868 | decode::DecodeChannel ch = {id++, 0, true, nullptr, |
9f97b357 SA |
869 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
870 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
871 | channels_.push_back(ch); | |
872 | } | |
873 | } | |
874 | } | |
875 | ||
47747218 SA |
876 | // Invalidate the logic output data if the channel assignment changed |
877 | if (prev_channels.size() != channels_.size()) { | |
878 | // The number of channels changed, there's definitely a difference | |
879 | logic_mux_data_invalid_ = true; | |
880 | } else { | |
881 | // Same number but assignment may still differ, so compare all channels | |
882 | for (size_t i = 0; i < channels_.size(); i++) { | |
a82325d1 SA |
883 | const decode::DecodeChannel& p_ch = prev_channels[i]; |
884 | const decode::DecodeChannel& ch = channels_[i]; | |
47747218 SA |
885 | |
886 | if ((p_ch.pdch_ != ch.pdch_) || | |
887 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
888 | logic_mux_data_invalid_ = true; | |
889 | break; | |
890 | } | |
891 | } | |
892 | ||
893 | } | |
894 | ||
9f97b357 SA |
895 | channels_updated(); |
896 | } | |
897 | ||
27a3f09b | 898 | void DecodeSignal::commit_decoder_channels() |
ad908057 | 899 | { |
27a3f09b SA |
900 | // Submit channel list to every decoder, containing only the relevant channels |
901 | for (shared_ptr<decode::Decoder> dec : stack_) { | |
a82325d1 | 902 | vector<decode::DecodeChannel*> channel_list; |
27a3f09b | 903 | |
a82325d1 | 904 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
905 | if (ch.decoder_ == dec) |
906 | channel_list.push_back(&ch); | |
47747218 | 907 | |
27a3f09b SA |
908 | dec->set_channels(channel_list); |
909 | } | |
aa71890d SA |
910 | |
911 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
912 | int id = 0; | |
a82325d1 | 913 | for (decode::DecodeChannel& ch : channels_) |
aa71890d SA |
914 | if (ch.assigned_signal) |
915 | ch.bit_id = id++; | |
47747218 SA |
916 | } |
917 | ||
ed535cd7 | 918 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) |
47747218 | 919 | { |
27a3f09b SA |
920 | // Enforce end to be greater than start |
921 | if (end <= start) | |
922 | return; | |
923 | ||
ed535cd7 | 924 | // Fetch the channel segments and their data |
27a3f09b SA |
925 | vector<shared_ptr<LogicSegment> > segments; |
926 | vector<const uint8_t*> signal_data; | |
927 | vector<uint8_t> signal_in_bytepos; | |
928 | vector<uint8_t> signal_in_bitpos; | |
929 | ||
a82325d1 | 930 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
931 | if (ch.assigned_signal) { |
932 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
ed535cd7 SA |
933 | |
934 | shared_ptr<LogicSegment> segment; | |
935 | try { | |
936 | segment = logic_data->logic_segments().at(segment_id); | |
30677c13 | 937 | } catch (out_of_range&) { |
ed535cd7 SA |
938 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ |
939 | << "has no logic segment" << segment_id; | |
940 | return; | |
941 | } | |
27a3f09b | 942 | segments.push_back(segment); |
b82243f7 SA |
943 | |
944 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
945 | segment->get_samples(start, end, data); | |
946 | signal_data.push_back(data); | |
27a3f09b SA |
947 | |
948 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
949 | signal_in_bytepos.push_back(bitpos / 8); | |
950 | signal_in_bitpos.push_back(bitpos % 8); | |
951 | } | |
952 | ||
ed535cd7 SA |
953 | |
954 | shared_ptr<LogicSegment> output_segment; | |
955 | try { | |
956 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
30677c13 | 957 | } catch (out_of_range&) { |
ed535cd7 SA |
958 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ |
959 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
960 | << logic_mux_data_->logic_segments().size(); | |
961 | return; | |
962 | } | |
963 | ||
27a3f09b | 964 | // Perform the muxing of signal data into the output data |
8a603e13 | 965 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; |
27a3f09b SA |
966 | unsigned int signal_count = signal_data.size(); |
967 | ||
3b5282a2 SA |
968 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); |
969 | sample_cnt++) { | |
970 | ||
27a3f09b SA |
971 | int bitpos = 0; |
972 | uint8_t bytepos = 0; | |
973 | ||
8a603e13 SA |
974 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); |
975 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
27a3f09b | 976 | output[out_sample_pos + i] = 0; |
47747218 | 977 | |
27a3f09b SA |
978 | for (unsigned int i = 0; i < signal_count; i++) { |
979 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
980 | const uint8_t in_sample = 1 & | |
981 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
47747218 | 982 | |
27a3f09b SA |
983 | const uint8_t out_sample = output[out_sample_pos + bytepos]; |
984 | ||
985 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
986 | ||
987 | bitpos++; | |
988 | if (bitpos > 7) { | |
989 | bitpos = 0; | |
990 | bytepos++; | |
991 | } | |
992 | } | |
47747218 SA |
993 | } |
994 | ||
8a603e13 | 995 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); |
27a3f09b SA |
996 | delete[] output; |
997 | ||
998 | for (const uint8_t* data : signal_data) | |
999 | delete[] data; | |
1000 | } | |
1001 | ||
1002 | void DecodeSignal::logic_mux_proc() | |
1003 | { | |
ed535cd7 SA |
1004 | uint32_t segment_id = 0; |
1005 | ||
8a603e13 SA |
1006 | assert(logic_mux_data_); |
1007 | ||
65efd025 SA |
1008 | // Create initial logic mux segment |
1009 | shared_ptr<LogicSegment> output_segment = | |
85a70280 SA |
1010 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1011 | logic_mux_unit_size_, 0); | |
65efd025 | 1012 | logic_mux_data_->push_segment(output_segment); |
8a603e13 SA |
1013 | |
1014 | output_segment->set_samplerate(get_input_samplerate(0)); | |
ed535cd7 | 1015 | |
27a3f09b | 1016 | do { |
ed535cd7 | 1017 | const uint64_t input_sample_count = get_working_sample_count(segment_id); |
8a603e13 | 1018 | const uint64_t output_sample_count = output_segment->get_sample_count(); |
27a3f09b SA |
1019 | |
1020 | const uint64_t samples_to_process = | |
1021 | (input_sample_count > output_sample_count) ? | |
1022 | (input_sample_count - output_sample_count) : 0; | |
1023 | ||
1024 | // Process the samples if necessary... | |
1025 | if (samples_to_process > 0) { | |
8a603e13 | 1026 | const uint64_t unit_size = output_segment->unit_size(); |
27a3f09b SA |
1027 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; |
1028 | ||
1029 | uint64_t processed_samples = 0; | |
1030 | do { | |
1031 | const uint64_t start_sample = output_sample_count + processed_samples; | |
1032 | const uint64_t sample_count = | |
1033 | min(samples_to_process - processed_samples, chunk_sample_count); | |
1034 | ||
ed535cd7 | 1035 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); |
27a3f09b SA |
1036 | processed_samples += sample_count; |
1037 | ||
1038 | // ...and process the newly muxed logic data | |
1039 | decode_input_cond_.notify_one(); | |
3b5282a2 | 1040 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); |
27a3f09b SA |
1041 | } |
1042 | ||
1ec191ed | 1043 | if (samples_to_process == 0) { |
ed535cd7 SA |
1044 | // TODO Optimize this by caching the input segment count and only |
1045 | // querying it when the cached value was reached | |
1046 | if (segment_id < get_input_segment_count() - 1) { | |
1047 | // Process next segment | |
1048 | segment_id++; | |
1049 | ||
65efd025 | 1050 | output_segment = |
85a70280 SA |
1051 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1052 | logic_mux_unit_size_, 0); | |
65efd025 | 1053 | logic_mux_data_->push_segment(output_segment); |
ba5f2186 | 1054 | |
8a603e13 SA |
1055 | output_segment->set_samplerate(get_input_samplerate(segment_id)); |
1056 | ||
ed535cd7 SA |
1057 | } else { |
1058 | // All segments have been processed | |
1059 | logic_mux_data_invalid_ = false; | |
1060 | ||
1061 | // Wait for more input | |
1062 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1063 | logic_mux_cond_.wait(logic_mux_lock); | |
1064 | } | |
27a3f09b | 1065 | } |
1ae18301 | 1066 | |
1ec191ed | 1067 | } while (!logic_mux_interrupt_); |
47747218 SA |
1068 | } |
1069 | ||
1070 | void DecodeSignal::decode_data( | |
8a603e13 SA |
1071 | const int64_t abs_start_samplenum, const int64_t sample_count, |
1072 | const shared_ptr<LogicSegment> input_segment) | |
47747218 | 1073 | { |
8a603e13 | 1074 | const int64_t unit_size = input_segment->unit_size(); |
27a3f09b | 1075 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; |
47747218 SA |
1076 | |
1077 | for (int64_t i = abs_start_samplenum; | |
1ae18301 SA |
1078 | error_message_.isEmpty() && !decode_interrupt_ && |
1079 | (i < (abs_start_samplenum + sample_count)); | |
47747218 SA |
1080 | i += chunk_sample_count) { |
1081 | ||
1082 | const int64_t chunk_end = min(i + chunk_sample_count, | |
1083 | abs_start_samplenum + sample_count); | |
1084 | ||
e06cf18d SA |
1085 | { |
1086 | lock_guard<mutex> lock(output_mutex_); | |
b82908ab SA |
1087 | // Update the sample count showing the samples including currently processed ones |
1088 | segments_.at(current_segment_id_).samples_decoded_incl = chunk_end; | |
e06cf18d SA |
1089 | } |
1090 | ||
b82243f7 SA |
1091 | int64_t data_size = (chunk_end - i) * unit_size; |
1092 | uint8_t* chunk = new uint8_t[data_size]; | |
8a603e13 | 1093 | input_segment->get_samples(i, chunk_end, chunk); |
47747218 | 1094 | |
e91883bb | 1095 | if (srd_session_send(srd_session_, i, chunk_end, chunk, |
1ae18301 | 1096 | data_size, unit_size) != SRD_OK) |
403c3e87 | 1097 | set_error_message(tr("Decoder reported an error")); |
a3ebd556 | 1098 | |
47747218 SA |
1099 | delete[] chunk; |
1100 | ||
b82908ab SA |
1101 | { |
1102 | lock_guard<mutex> lock(output_mutex_); | |
1103 | // Now that all samples are processed, the exclusive sample count catches up | |
1104 | segments_.at(current_segment_id_).samples_decoded_excl = chunk_end; | |
1105 | } | |
1106 | ||
1b56c646 SA |
1107 | // Notify the frontend that we processed some data and |
1108 | // possibly have new annotations as well | |
1109 | new_annotations(); | |
556259d2 SA |
1110 | |
1111 | if (decode_paused_) { | |
1112 | unique_lock<mutex> pause_wait_lock(decode_pause_mutex_); | |
1113 | decode_pause_cond_.wait(pause_wait_lock); | |
1114 | } | |
47747218 SA |
1115 | } |
1116 | } | |
1117 | ||
1118 | void DecodeSignal::decode_proc() | |
1119 | { | |
65efd025 SA |
1120 | current_segment_id_ = 0; |
1121 | ||
1122 | // If there is no input data available yet, wait until it is or we're interrupted | |
1123 | if (logic_mux_data_->logic_segments().size() == 0) { | |
1124 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1125 | decode_input_cond_.wait(input_wait_lock); | |
1126 | } | |
a3ebd556 SA |
1127 | |
1128 | if (decode_interrupt_) | |
1129 | return; | |
1130 | ||
8a603e13 | 1131 | shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front(); |
8a603e13 | 1132 | assert(input_segment); |
65efd025 SA |
1133 | |
1134 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
1135 | create_decode_segment(); | |
8a603e13 | 1136 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1137 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1138 | |
65efd025 SA |
1139 | start_srd_session(); |
1140 | ||
1141 | uint64_t sample_count = 0; | |
27a3f09b | 1142 | uint64_t abs_start_samplenum = 0; |
47747218 | 1143 | do { |
27a3f09b SA |
1144 | // Keep processing new samples until we exhaust the input data |
1145 | do { | |
767bf4e7 | 1146 | lock_guard<mutex> input_lock(input_mutex_); |
8a603e13 | 1147 | sample_count = input_segment->get_sample_count() - abs_start_samplenum; |
27a3f09b SA |
1148 | |
1149 | if (sample_count > 0) { | |
8a603e13 | 1150 | decode_data(abs_start_samplenum, sample_count, input_segment); |
27a3f09b SA |
1151 | abs_start_samplenum += sample_count; |
1152 | } | |
1b56c646 SA |
1153 | } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_); |
1154 | ||
8a603e13 SA |
1155 | if (error_message_.isEmpty() && !decode_interrupt_ && sample_count == 0) { |
1156 | if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) { | |
1157 | // Process next segment | |
1158 | current_segment_id_++; | |
1159 | ||
1160 | try { | |
1161 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
30677c13 | 1162 | } catch (out_of_range&) { |
8a603e13 SA |
1163 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ |
1164 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
1165 | << logic_mux_data_->logic_segments().size(); | |
1166 | return; | |
1167 | } | |
1168 | abs_start_samplenum = 0; | |
1169 | ||
65efd025 SA |
1170 | // Create the next segment and set its metadata |
1171 | create_decode_segment(); | |
8a603e13 | 1172 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1173 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1174 | |
90ca4cc8 SA |
1175 | // Reset decoder state but keep the decoder stack intact |
1176 | terminate_srd_session(); | |
8a603e13 SA |
1177 | } else { |
1178 | // All segments have been processed | |
1b56c646 | 1179 | decode_finished(); |
27a3f09b | 1180 | |
8a603e13 SA |
1181 | // Wait for new input data or an interrupt was requested |
1182 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1183 | decode_input_cond_.wait(input_wait_lock); | |
1184 | } | |
27a3f09b SA |
1185 | } |
1186 | } while (error_message_.isEmpty() && !decode_interrupt_); | |
ce0b6a40 GS |
1187 | |
1188 | // Potentially reap decoders when the application no longer is | |
1189 | // interested in their (pending) results. | |
1190 | if (decode_interrupt_) | |
1191 | terminate_srd_session(); | |
e91883bb SA |
1192 | } |
1193 | ||
1194 | void DecodeSignal::start_srd_session() | |
1195 | { | |
8ce0e732 SA |
1196 | // If there were stack changes, the session has been destroyed by now, so if |
1197 | // it hasn't been destroyed, we can just reset and re-use it | |
ce0b6a40 GS |
1198 | if (srd_session_) { |
1199 | // When a decoder stack was created before, re-use it | |
1200 | // for the next stream of input data, after terminating | |
1201 | // potentially still executing operations, and resetting | |
1202 | // internal state. Skip the rather expensive (teardown | |
1203 | // and) construction of another decoder stack. | |
1204 | ||
1205 | // TODO Reduce redundancy, use a common code path for | |
72486b78 | 1206 | // the meta/start sequence? |
ce0b6a40 | 1207 | terminate_srd_session(); |
72486b78 SA |
1208 | |
1209 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1210 | uint64_t samplerate = 0; |
7dd518b8 | 1211 | if (segments_.size() > 0) |
ba5b52e1 GS |
1212 | samplerate = segments_.at(current_segment_id_).samplerate; |
1213 | if (samplerate) | |
7dd518b8 | 1214 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1215 | g_variant_new_uint64(samplerate)); |
f4ab4b5c | 1216 | for (const shared_ptr<decode::Decoder>& dec : stack_) |
72486b78 | 1217 | dec->apply_all_options(); |
ce0b6a40 | 1218 | srd_session_start(srd_session_); |
72486b78 | 1219 | |
ce0b6a40 GS |
1220 | return; |
1221 | } | |
e91883bb | 1222 | |
a3ebd556 SA |
1223 | // Create the session |
1224 | srd_session_new(&srd_session_); | |
1225 | assert(srd_session_); | |
47747218 | 1226 | |
a3ebd556 SA |
1227 | // Create the decoders |
1228 | srd_decoder_inst *prev_di = nullptr; | |
f4ab4b5c | 1229 | for (const shared_ptr<decode::Decoder>& dec : stack_) { |
a3ebd556 | 1230 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); |
e91883bb | 1231 | |
a3ebd556 | 1232 | if (!di) { |
403c3e87 | 1233 | set_error_message(tr("Failed to create decoder instance")); |
a3ebd556 | 1234 | srd_session_destroy(srd_session_); |
c5f9553c | 1235 | srd_session_ = nullptr; |
a3ebd556 SA |
1236 | return; |
1237 | } | |
e91883bb | 1238 | |
a3ebd556 SA |
1239 | if (prev_di) |
1240 | srd_inst_stack(srd_session_, prev_di, di); | |
e91883bb | 1241 | |
a3ebd556 | 1242 | prev_di = di; |
e91883bb | 1243 | } |
a3ebd556 SA |
1244 | |
1245 | // Start the session | |
7dd518b8 SA |
1246 | if (segments_.size() > 0) |
1247 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1248 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
a3ebd556 SA |
1249 | |
1250 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1251 | DecodeSignal::annotation_callback, this); | |
1252 | ||
c0c3e62a SA |
1253 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY, |
1254 | DecodeSignal::binary_callback, this); | |
1255 | ||
a3ebd556 | 1256 | srd_session_start(srd_session_); |
e3202557 SA |
1257 | |
1258 | // We just recreated the srd session, so all stack changes are applied now | |
1259 | stack_config_changed_ = false; | |
e91883bb | 1260 | } |
47747218 | 1261 | |
ce0b6a40 GS |
1262 | void DecodeSignal::terminate_srd_session() |
1263 | { | |
1264 | // Call the "terminate and reset" routine for the decoder stack | |
1265 | // (if available). This does not harm those stacks which already | |
1266 | // have completed their operation, and reduces response time for | |
1267 | // those stacks which still are processing data while the | |
1268 | // application no longer wants them to. | |
72486b78 | 1269 | if (srd_session_) { |
ce0b6a40 | 1270 | srd_session_terminate_reset(srd_session_); |
72486b78 SA |
1271 | |
1272 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1273 | uint64_t samplerate = 0; |
7dd518b8 | 1274 | if (segments_.size() > 0) |
ba5b52e1 GS |
1275 | samplerate = segments_.at(current_segment_id_).samplerate; |
1276 | if (samplerate) | |
7dd518b8 | 1277 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1278 | g_variant_new_uint64(samplerate)); |
f4ab4b5c | 1279 | for (const shared_ptr<decode::Decoder>& dec : stack_) |
72486b78 SA |
1280 | dec->apply_all_options(); |
1281 | } | |
ce0b6a40 GS |
1282 | } |
1283 | ||
e91883bb SA |
1284 | void DecodeSignal::stop_srd_session() |
1285 | { | |
1286 | if (srd_session_) { | |
1287 | // Destroy the session | |
1288 | srd_session_destroy(srd_session_); | |
1289 | srd_session_ = nullptr; | |
8ce0e732 SA |
1290 | |
1291 | // Mark the decoder instances as non-existant since they were deleted | |
f4ab4b5c | 1292 | for (const shared_ptr<decode::Decoder>& dec : stack_) |
8ce0e732 | 1293 | dec->invalidate_decoder_inst(); |
e91883bb | 1294 | } |
47747218 SA |
1295 | } |
1296 | ||
a8a9222d SA |
1297 | void DecodeSignal::connect_input_notifiers() |
1298 | { | |
1299 | // Disconnect the notification slot from the previous set of signals | |
1b56c646 | 1300 | disconnect(this, SLOT(on_data_cleared())); |
a8a9222d SA |
1301 | disconnect(this, SLOT(on_data_received())); |
1302 | ||
1303 | // Connect the currently used signals to our slot | |
a82325d1 | 1304 | for (decode::DecodeChannel& ch : channels_) { |
a8a9222d SA |
1305 | if (!ch.assigned_signal) |
1306 | continue; | |
1307 | ||
1b56c646 SA |
1308 | const data::SignalBase *signal = ch.assigned_signal; |
1309 | connect(signal, SIGNAL(samples_cleared()), | |
1310 | this, SLOT(on_data_cleared())); | |
b10b58f4 | 1311 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), |
a8a9222d SA |
1312 | this, SLOT(on_data_received())); |
1313 | } | |
1314 | } | |
1315 | ||
65efd025 | 1316 | void DecodeSignal::create_decode_segment() |
4913560f | 1317 | { |
65efd025 SA |
1318 | // Create annotation segment |
1319 | segments_.emplace_back(DecodeSegment()); | |
72435789 | 1320 | |
65efd025 | 1321 | // Add annotation classes |
f4ab4b5c | 1322 | for (const shared_ptr<decode::Decoder>& dec : stack_) { |
65efd025 SA |
1323 | assert(dec); |
1324 | const srd_decoder *const decc = dec->decoder(); | |
1325 | assert(dec->decoder()); | |
4913560f | 1326 | |
f9807084 | 1327 | int row_index = 0; |
65efd025 SA |
1328 | // Add a row for the decoder if it doesn't have a row list |
1329 | if (!decc->annotation_rows) | |
f9807084 | 1330 | (segments_.back().annotation_rows)[Row(row_index++, decc)] = |
65efd025 | 1331 | decode::RowData(); |
4913560f | 1332 | |
65efd025 SA |
1333 | // Add the decoder rows |
1334 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
1335 | const srd_decoder_annotation_row *const ann_row = | |
1336 | (srd_decoder_annotation_row *)l->data; | |
1337 | assert(ann_row); | |
4913560f | 1338 | |
f9807084 | 1339 | const Row row(row_index++, decc, ann_row); |
4913560f | 1340 | |
65efd025 SA |
1341 | // Add a new empty row data object |
1342 | (segments_.back().annotation_rows)[row] = | |
1343 | decode::RowData(); | |
4913560f SA |
1344 | } |
1345 | } | |
e77de61f SA |
1346 | |
1347 | // Prepare our binary output classes | |
1348 | for (const shared_ptr<decode::Decoder>& dec : stack_) { | |
ac9494ef | 1349 | uint32_t n = dec->get_binary_class_count(); |
e77de61f | 1350 | |
ac9494ef | 1351 | for (uint32_t i = 0; i < n; i++) |
e77de61f | 1352 | segments_.back().binary_classes.push_back( |
c8a6db0e | 1353 | {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()}); |
e77de61f | 1354 | } |
4913560f SA |
1355 | } |
1356 | ||
47747218 SA |
1357 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) |
1358 | { | |
1359 | assert(pdata); | |
b21501d6 | 1360 | assert(decode_signal); |
47747218 SA |
1361 | |
1362 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1363 | assert(ds); | |
1364 | ||
3b5282a2 SA |
1365 | if (ds->decode_interrupt_) |
1366 | return; | |
1367 | ||
47747218 SA |
1368 | lock_guard<mutex> lock(ds->output_mutex_); |
1369 | ||
c0c3e62a | 1370 | // Get the decoder and the annotation data |
47747218 SA |
1371 | assert(pdata->pdo); |
1372 | assert(pdata->pdo->di); | |
1373 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
1374 | assert(decc); | |
1375 | ||
c0c3e62a | 1376 | const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data; |
1becee23 UH |
1377 | assert(pda); |
1378 | ||
c0c3e62a | 1379 | // Find the row |
8a603e13 | 1380 | auto row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.end(); |
47747218 | 1381 | |
c0c3e62a | 1382 | // Try finding a better row match than the default by looking up the sub-row of this class |
1becee23 UH |
1383 | const auto format = pda->ann_class; |
1384 | const auto r = ds->class_rows_.find(make_pair(decc, format)); | |
47747218 | 1385 | if (r != ds->class_rows_.end()) |
8a603e13 | 1386 | row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find((*r).second); |
47747218 SA |
1387 | else { |
1388 | // Failing that, use the decoder as a key | |
f9807084 | 1389 | row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find(Row(0, decc)); |
47747218 SA |
1390 | } |
1391 | ||
8a603e13 | 1392 | if (row_iter == ds->segments_.at(ds->current_segment_id_).annotation_rows.end()) { |
47747218 | 1393 | qDebug() << "Unexpected annotation: decoder = " << decc << |
1becee23 | 1394 | ", format = " << format; |
47747218 SA |
1395 | assert(false); |
1396 | return; | |
1397 | } | |
1398 | ||
1399 | // Add the annotation | |
5a914348 | 1400 | (*row_iter).second.emplace_annotation(pdata, &((*row_iter).first)); |
47747218 SA |
1401 | } |
1402 | ||
c0c3e62a SA |
1403 | void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal) |
1404 | { | |
1405 | assert(pdata); | |
1406 | assert(decode_signal); | |
1407 | ||
1408 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1409 | assert(ds); | |
1410 | ||
1411 | if (ds->decode_interrupt_) | |
1412 | return; | |
1413 | ||
e77de61f SA |
1414 | // Get the decoder and the binary data |
1415 | assert(pdata->pdo); | |
1416 | assert(pdata->pdo->di); | |
1417 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
1418 | assert(decc); | |
1419 | ||
c0c3e62a SA |
1420 | const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data; |
1421 | assert(pdb); | |
1422 | ||
e77de61f | 1423 | // Find the matching DecodeBinaryClass |
c0c3e62a SA |
1424 | DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_)); |
1425 | ||
e77de61f SA |
1426 | DecodeBinaryClass* bin_class = nullptr; |
1427 | for (DecodeBinaryClass& bc : segment->binary_classes) | |
cbf428c2 | 1428 | if ((bc.decoder->decoder() == decc) && (bc.info->bin_class_id == (uint32_t)pdb->bin_class)) |
e77de61f | 1429 | bin_class = &bc; |
c0c3e62a | 1430 | |
e77de61f SA |
1431 | if (!bin_class) { |
1432 | qWarning() << "Could not find valid DecodeBinaryClass in segment" << | |
1433 | ds->current_segment_id_ << "for binary class ID" << pdb->bin_class << | |
1434 | ", segment only knows" << segment->binary_classes.size() << "classes"; | |
1435 | return; | |
1436 | } | |
c0c3e62a | 1437 | |
e77de61f SA |
1438 | // Add the data chunk |
1439 | bin_class->chunks.emplace_back(); | |
1440 | DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back()); | |
1441 | ||
1442 | chunk->sample = pdata->start_sample; | |
1443 | chunk->data.resize(pdb->size); | |
1444 | memcpy(chunk->data.data(), pdb->data, pdb->size); | |
1445 | ||
b2b18d3a SA |
1446 | // Find decoder class instance |
1447 | Decoder* dec = nullptr; | |
1448 | for (const shared_ptr<decode::Decoder>& d : ds->decoder_stack()) | |
1449 | if (d->decoder() == decc) { | |
1450 | dec = d.get(); | |
1451 | break; | |
1452 | } | |
1453 | ||
1454 | ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class); | |
c0c3e62a SA |
1455 | } |
1456 | ||
47747218 SA |
1457 | void DecodeSignal::on_capture_state_changed(int state) |
1458 | { | |
1459 | // If a new acquisition was started, we need to start decoding from scratch | |
ba5f2186 SA |
1460 | if (state == Session::Running) { |
1461 | logic_mux_data_invalid_ = true; | |
47747218 | 1462 | begin_decode(); |
ba5f2186 | 1463 | } |
47747218 SA |
1464 | } |
1465 | ||
1b56c646 SA |
1466 | void DecodeSignal::on_data_cleared() |
1467 | { | |
1468 | reset_decode(); | |
1469 | } | |
1470 | ||
47747218 SA |
1471 | void DecodeSignal::on_data_received() |
1472 | { | |
5620539c SA |
1473 | // If we detected a lack of input data when trying to start decoding, |
1474 | // we have set an error message. Only try again if we now have data | |
1475 | // to work with | |
1476 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1477 | return; | |
1478 | ||
1b56c646 SA |
1479 | if (!logic_mux_thread_.joinable()) |
1480 | begin_decode(); | |
1481 | else | |
1482 | logic_mux_cond_.notify_one(); | |
47747218 SA |
1483 | } |
1484 | ||
ad908057 SA |
1485 | } // namespace data |
1486 | } // namespace pv |