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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 | 43 | using std::unique_lock; |
6a26fc44 | 44 | using pv::data::decode::AnnotationClass; |
a82325d1 | 45 | using pv::data::decode::DecodeChannel; |
ad908057 SA |
46 | |
47 | namespace pv { | |
48 | namespace data { | |
49 | ||
47747218 SA |
50 | const double DecodeSignal::DecodeMargin = 1.0; |
51 | const double DecodeSignal::DecodeThreshold = 0.2; | |
3fbddf7f | 52 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; |
ad908057 | 53 | |
ad908057 | 54 | |
47747218 SA |
55 | DecodeSignal::DecodeSignal(pv::Session &session) : |
56 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
57 | session_(session), | |
e91883bb | 58 | srd_session_(nullptr), |
47747218 | 59 | logic_mux_data_invalid_(false), |
e3202557 | 60 | stack_config_changed_(true), |
8a603e13 | 61 | current_segment_id_(0) |
ad908057 | 62 | { |
47747218 SA |
63 | connect(&session_, SIGNAL(capture_state_changed(int)), |
64 | this, SLOT(on_capture_state_changed(int))); | |
ad908057 SA |
65 | } |
66 | ||
47747218 | 67 | DecodeSignal::~DecodeSignal() |
ad908057 | 68 | { |
8ce0e732 | 69 | reset_decode(true); |
ad908057 SA |
70 | } |
71 | ||
47747218 | 72 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const |
ecd07c20 | 73 | { |
47747218 | 74 | return stack_; |
ecd07c20 SA |
75 | } |
76 | ||
ed75426f | 77 | void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode) |
ad908057 SA |
78 | { |
79 | assert(decoder); | |
762ab7a4 | 80 | |
b9591f3a | 81 | // Set name if this decoder is the first in the list or the name is unchanged |
6a26fc44 SA |
82 | const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder(); |
83 | const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString(); | |
47747218 | 84 | |
b9591f3a | 85 | if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name))) |
47747218 | 86 | set_name(QString::fromUtf8(decoder->name)); |
132a5c6d | 87 | |
6a26fc44 | 88 | const shared_ptr<Decoder> dec = make_shared<Decoder>(decoder); |
b9591f3a SA |
89 | stack_.push_back(dec); |
90 | ||
27a3f09b | 91 | // Include the newly created decode channels in the channel lists |
9f97b357 | 92 | update_channel_list(); |
132a5c6d | 93 | |
e3202557 | 94 | stack_config_changed_ = true; |
762ab7a4 | 95 | auto_assign_signals(dec); |
27a3f09b | 96 | commit_decoder_channels(); |
e77de61f SA |
97 | |
98 | decoder_stacked((void*)dec.get()); | |
99 | ||
ed75426f SA |
100 | if (restart_decode) |
101 | begin_decode(); | |
ad908057 SA |
102 | } |
103 | ||
104 | void DecodeSignal::remove_decoder(int index) | |
105 | { | |
47747218 SA |
106 | assert(index >= 0); |
107 | assert(index < (int)stack_.size()); | |
108 | ||
109 | // Find the decoder in the stack | |
110 | auto iter = stack_.begin(); | |
111 | for (int i = 0; i < index; i++, iter++) | |
112 | assert(iter != stack_.end()); | |
113 | ||
e77de61f SA |
114 | decoder_removed(iter->get()); |
115 | ||
47747218 SA |
116 | // Delete the element |
117 | stack_.erase(iter); | |
118 | ||
119 | // Update channels and decoded data | |
e3202557 | 120 | stack_config_changed_ = true; |
9f97b357 | 121 | update_channel_list(); |
47747218 | 122 | begin_decode(); |
ad908057 SA |
123 | } |
124 | ||
125 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
126 | { | |
47747218 | 127 | auto iter = stack_.cbegin(); |
ad908057 | 128 | for (int i = 0; i < index; i++, iter++) |
47747218 | 129 | assert(iter != stack_.end()); |
ad908057 SA |
130 | |
131 | shared_ptr<Decoder> dec = *iter; | |
132 | ||
133 | // Toggle decoder visibility | |
134 | bool state = false; | |
135 | if (dec) { | |
5d3ca591 SA |
136 | state = !dec->visible(); |
137 | dec->set_visible(state); | |
ad908057 SA |
138 | } |
139 | ||
140 | return state; | |
141 | } | |
142 | ||
8ce0e732 | 143 | void DecodeSignal::reset_decode(bool shutting_down) |
47747218 | 144 | { |
8ce0e732 | 145 | if (stack_config_changed_ || shutting_down) |
e3202557 SA |
146 | stop_srd_session(); |
147 | else | |
148 | terminate_srd_session(); | |
ce0b6a40 | 149 | |
1b56c646 SA |
150 | if (decode_thread_.joinable()) { |
151 | decode_interrupt_ = true; | |
152 | decode_input_cond_.notify_one(); | |
153 | decode_thread_.join(); | |
154 | } | |
155 | ||
156 | if (logic_mux_thread_.joinable()) { | |
157 | logic_mux_interrupt_ = true; | |
158 | logic_mux_cond_.notify_one(); | |
159 | logic_mux_thread_.join(); | |
160 | } | |
161 | ||
dda88657 | 162 | resume_decode(); // Make sure the decode thread isn't blocked by pausing |
556259d2 | 163 | |
8a603e13 | 164 | current_segment_id_ = 0; |
72435789 | 165 | segments_.clear(); |
1b56c646 SA |
166 | |
167 | logic_mux_data_.reset(); | |
168 | logic_mux_data_invalid_ = true; | |
eee3eab9 | 169 | |
403c3e87 SA |
170 | if (!error_message_.isEmpty()) { |
171 | error_message_ = QString(); | |
fe060a48 SA |
172 | // TODO Emulate noquote() |
173 | qDebug().nospace() << name() << ": Error cleared"; | |
403c3e87 | 174 | } |
72435789 | 175 | |
eee3eab9 | 176 | decode_reset(); |
47747218 SA |
177 | } |
178 | ||
946b52e1 SA |
179 | void DecodeSignal::begin_decode() |
180 | { | |
47747218 SA |
181 | if (decode_thread_.joinable()) { |
182 | decode_interrupt_ = true; | |
183 | decode_input_cond_.notify_one(); | |
184 | decode_thread_.join(); | |
185 | } | |
186 | ||
187 | if (logic_mux_thread_.joinable()) { | |
188 | logic_mux_interrupt_ = true; | |
189 | logic_mux_cond_.notify_one(); | |
190 | logic_mux_thread_.join(); | |
191 | } | |
192 | ||
193 | reset_decode(); | |
194 | ||
27a3f09b | 195 | if (stack_.size() == 0) { |
403c3e87 | 196 | set_error_message(tr("No decoders")); |
27a3f09b SA |
197 | return; |
198 | } | |
199 | ||
200 | assert(channels_.size() > 0); | |
201 | ||
202 | if (get_assigned_signal_count() == 0) { | |
403c3e87 | 203 | set_error_message(tr("There are no channels assigned to this decoder")); |
27a3f09b SA |
204 | return; |
205 | } | |
206 | ||
04627946 SA |
207 | // Make sure that all assigned channels still provide logic data |
208 | // (can happen when a converted signal was assigned but the | |
209 | // conversion removed in the meanwhile) | |
a82325d1 | 210 | for (decode::DecodeChannel& ch : channels_) |
04627946 SA |
211 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) |
212 | ch.assigned_signal = nullptr; | |
213 | ||
47747218 | 214 | // Check that all decoders have the required channels |
6a26fc44 | 215 | for (const shared_ptr<Decoder>& dec : stack_) |
47747218 | 216 | if (!dec->have_required_channels()) { |
403c3e87 SA |
217 | set_error_message(tr("One or more required channels " |
218 | "have not been specified")); | |
47747218 SA |
219 | return; |
220 | } | |
221 | ||
27a3f09b SA |
222 | // Free the logic data and its segment(s) if it needs to be updated |
223 | if (logic_mux_data_invalid_) | |
224 | logic_mux_data_.reset(); | |
225 | ||
226 | if (!logic_mux_data_) { | |
72435789 | 227 | const uint32_t ch_count = get_assigned_signal_count(); |
ed535cd7 | 228 | logic_mux_unit_size_ = (ch_count + 7) / 8; |
27a3f09b | 229 | logic_mux_data_ = make_shared<Logic>(ch_count); |
27a3f09b | 230 | } |
47747218 | 231 | |
ed535cd7 SA |
232 | // Receive notifications when new sample data is available |
233 | connect_input_notifiers(); | |
234 | ||
8a603e13 | 235 | if (get_input_segment_count() == 0) { |
403c3e87 | 236 | set_error_message(tr("No input data")); |
ed535cd7 SA |
237 | return; |
238 | } | |
239 | ||
27a3f09b SA |
240 | // Make sure the logic output data is complete and up-to-date |
241 | logic_mux_interrupt_ = false; | |
242 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
243 | ||
244 | // Decode the muxed logic data | |
47747218 SA |
245 | decode_interrupt_ = false; |
246 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
247 | } |
248 | ||
556259d2 SA |
249 | void DecodeSignal::pause_decode() |
250 | { | |
251 | decode_paused_ = true; | |
252 | } | |
253 | ||
254 | void DecodeSignal::resume_decode() | |
255 | { | |
256 | // Manual unlocking is done before notifying, to avoid waking up the | |
257 | // waiting thread only to block again (see notify_one for details) | |
258 | decode_pause_mutex_.unlock(); | |
259 | decode_pause_cond_.notify_one(); | |
260 | decode_paused_ = false; | |
261 | } | |
262 | ||
263 | bool DecodeSignal::is_paused() const | |
264 | { | |
265 | return decode_paused_; | |
266 | } | |
267 | ||
ecd07c20 SA |
268 | QString DecodeSignal::error_message() const |
269 | { | |
47747218 SA |
270 | lock_guard<mutex> lock(output_mutex_); |
271 | return error_message_; | |
ecd07c20 SA |
272 | } |
273 | ||
a82325d1 | 274 | const vector<decode::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
275 | { |
276 | return channels_; | |
277 | } | |
278 | ||
762ab7a4 | 279 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) |
132a5c6d | 280 | { |
47747218 SA |
281 | bool new_assignment = false; |
282 | ||
132a5c6d | 283 | // Try to auto-select channels that don't have signals assigned yet |
a82325d1 | 284 | for (decode::DecodeChannel& ch : channels_) { |
762ab7a4 SA |
285 | // If a decoder is given, auto-assign only its channels |
286 | if (dec && (ch.decoder_ != dec)) | |
287 | continue; | |
288 | ||
132a5c6d SA |
289 | if (ch.assigned_signal) |
290 | continue; | |
291 | ||
c526a8fd SA |
292 | QString ch_name = ch.name.toLower(); |
293 | ch_name = ch_name.replace(QRegExp("[-_.]"), " "); | |
a8030bb0 SA |
294 | |
295 | shared_ptr<data::SignalBase> match; | |
f4ab4b5c | 296 | for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) { |
f9ebf303 SA |
297 | if (!s->enabled()) |
298 | continue; | |
299 | ||
c526a8fd SA |
300 | QString s_name = s->name().toLower(); |
301 | s_name = s_name.replace(QRegExp("[-_.]"), " "); | |
692f6093 SA |
302 | |
303 | if (s->logic_data() && | |
304 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
a8030bb0 SA |
305 | if (!match) |
306 | match = s; | |
307 | else { | |
308 | // Only replace an existing match if it matches more characters | |
309 | int old_unmatched = ch_name.length() - match->name().length(); | |
310 | int new_unmatched = ch_name.length() - s->name().length(); | |
311 | if (abs(new_unmatched) < abs(old_unmatched)) | |
312 | match = s; | |
313 | } | |
47747218 | 314 | } |
692f6093 | 315 | } |
a8030bb0 SA |
316 | |
317 | if (match) { | |
318 | ch.assigned_signal = match.get(); | |
319 | new_assignment = true; | |
320 | } | |
47747218 SA |
321 | } |
322 | ||
323 | if (new_assignment) { | |
324 | logic_mux_data_invalid_ = true; | |
e3202557 | 325 | stack_config_changed_ = true; |
27a3f09b | 326 | commit_decoder_channels(); |
47747218 | 327 | channels_updated(); |
132a5c6d SA |
328 | } |
329 | } | |
330 | ||
9f97b357 SA |
331 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
332 | { | |
a82325d1 | 333 | for (decode::DecodeChannel& ch : channels_) |
47747218 | 334 | if (ch.id == channel_id) { |
9f97b357 | 335 | ch.assigned_signal = signal; |
47747218 SA |
336 | logic_mux_data_invalid_ = true; |
337 | } | |
9f97b357 | 338 | |
e3202557 | 339 | stack_config_changed_ = true; |
27a3f09b | 340 | commit_decoder_channels(); |
9f97b357 | 341 | channels_updated(); |
47747218 | 342 | begin_decode(); |
9f97b357 SA |
343 | } |
344 | ||
27a3f09b SA |
345 | int DecodeSignal::get_assigned_signal_count() const |
346 | { | |
347 | // Count all channels that have a signal assigned to them | |
348 | return count_if(channels_.begin(), channels_.end(), | |
a82325d1 | 349 | [](decode::DecodeChannel ch) { return ch.assigned_signal; }); |
27a3f09b SA |
350 | } |
351 | ||
9f97b357 SA |
352 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) |
353 | { | |
a82325d1 | 354 | for (decode::DecodeChannel& ch : channels_) |
9f97b357 SA |
355 | if (ch.id == channel_id) |
356 | ch.initial_pin_state = init_state; | |
357 | ||
e3202557 | 358 | stack_config_changed_ = true; |
9f97b357 | 359 | channels_updated(); |
47747218 | 360 | begin_decode(); |
9f97b357 SA |
361 | } |
362 | ||
ff83d980 SA |
363 | double DecodeSignal::samplerate() const |
364 | { | |
72435789 SA |
365 | double result = 0; |
366 | ||
367 | // TODO For now, we simply return the first samplerate that we have | |
8a603e13 SA |
368 | if (segments_.size() > 0) |
369 | result = segments_.front().samplerate; | |
72435789 SA |
370 | |
371 | return result; | |
ff83d980 SA |
372 | } |
373 | ||
72435789 | 374 | const pv::util::Timestamp DecodeSignal::start_time() const |
ff83d980 | 375 | { |
72435789 SA |
376 | pv::util::Timestamp result; |
377 | ||
378 | // TODO For now, we simply return the first start time that we have | |
8a603e13 SA |
379 | if (segments_.size() > 0) |
380 | result = segments_.front().start_time; | |
72435789 SA |
381 | |
382 | return result; | |
ff83d980 SA |
383 | } |
384 | ||
5ecf957f | 385 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const |
0c5fe73e SA |
386 | { |
387 | // The working sample count is the highest sample number for | |
ed535cd7 SA |
388 | // which all used signals have data available, so go through all |
389 | // channels and use the lowest overall sample count of the segment | |
0c5fe73e | 390 | |
0c5fe73e SA |
391 | int64_t count = std::numeric_limits<int64_t>::max(); |
392 | bool no_signals_assigned = true; | |
393 | ||
a82325d1 | 394 | for (const decode::DecodeChannel& ch : channels_) |
0c5fe73e SA |
395 | if (ch.assigned_signal) { |
396 | no_signals_assigned = false; | |
397 | ||
398 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
399 | if (!logic_data || logic_data->logic_segments().empty()) | |
400 | return 0; | |
401 | ||
5ecf957f SA |
402 | try { |
403 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
404 | count = min(count, (int64_t)segment->get_sample_count()); | |
30677c13 | 405 | } catch (out_of_range&) { |
5ecf957f SA |
406 | return 0; |
407 | } | |
0c5fe73e SA |
408 | } |
409 | ||
410 | return (no_signals_assigned ? 0 : count); | |
411 | } | |
412 | ||
b82908ab SA |
413 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id, |
414 | bool include_processing) const | |
ff83d980 | 415 | { |
47747218 | 416 | lock_guard<mutex> decode_lock(output_mutex_); |
5ecf957f SA |
417 | |
418 | int64_t result = 0; | |
419 | ||
c8a6db0e SA |
420 | if (segment_id >= segments_.size()) |
421 | return result; | |
422 | ||
423 | if (include_processing) | |
424 | result = segments_[segment_id].samples_decoded_incl; | |
425 | else | |
426 | result = segments_[segment_id].samples_decoded_excl; | |
5ecf957f SA |
427 | |
428 | return result; | |
ff83d980 SA |
429 | } |
430 | ||
6a26fc44 | 431 | vector<Row*> DecodeSignal::get_rows(bool visible_only) |
ecd07c20 | 432 | { |
6a26fc44 | 433 | vector<Row*> rows; |
47747218 | 434 | |
6a26fc44 | 435 | for (const shared_ptr<Decoder>& dec : stack_) { |
47747218 | 436 | assert(dec); |
5d3ca591 | 437 | if (visible_only && !dec->visible()) |
cbb2e4da SA |
438 | continue; |
439 | ||
6a26fc44 SA |
440 | for (Row* row : dec->get_rows()) |
441 | rows.push_back(row); | |
442 | } | |
47747218 | 443 | |
6a26fc44 SA |
444 | return rows; |
445 | } | |
47747218 | 446 | |
6a26fc44 SA |
447 | vector<const Row*> DecodeSignal::get_rows(bool visible_only) const |
448 | { | |
449 | vector<const Row*> rows; | |
450 | ||
451 | for (const shared_ptr<Decoder>& dec : stack_) { | |
452 | assert(dec); | |
5d3ca591 | 453 | if (visible_only && !dec->visible()) |
6a26fc44 SA |
454 | continue; |
455 | ||
456 | for (const Row* row : dec->get_rows()) | |
457 | rows.push_back(row); | |
47747218 SA |
458 | } |
459 | ||
460 | return rows; | |
ecd07c20 SA |
461 | } |
462 | ||
6a26fc44 SA |
463 | |
464 | uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const | |
f994f496 SA |
465 | { |
466 | if (segment_id >= segments_.size()) | |
467 | return 0; | |
468 | ||
6a26fc44 | 469 | const DecodeSegment* segment = &(segments_.at(segment_id)); |
f994f496 | 470 | |
6a26fc44 | 471 | auto row_it = segment->annotation_rows.find(row); |
f994f496 | 472 | |
6a26fc44 | 473 | const RowData* rd; |
5a9146ac | 474 | if (row_it == segment->annotation_rows.end()) |
6a26fc44 | 475 | return 0; |
5a9146ac | 476 | else |
6a26fc44 SA |
477 | rd = &(row_it->second); |
478 | ||
479 | return rd->get_annotation_count(); | |
f994f496 SA |
480 | } |
481 | ||
5a9146ac | 482 | void DecodeSignal::get_annotation_subset(vector<const Annotation*> &dest, |
6a26fc44 | 483 | const Row* row, uint32_t segment_id, uint64_t start_sample, |
ecd07c20 SA |
484 | uint64_t end_sample) const |
485 | { | |
47747218 SA |
486 | lock_guard<mutex> lock(output_mutex_); |
487 | ||
c8a6db0e SA |
488 | if (segment_id >= segments_.size()) |
489 | return; | |
72435789 | 490 | |
6a26fc44 SA |
491 | const DecodeSegment* segment = &(segments_.at(segment_id)); |
492 | ||
493 | auto row_it = segment->annotation_rows.find(row); | |
c8a6db0e | 494 | |
6a26fc44 | 495 | const RowData* rd; |
5a9146ac | 496 | if (row_it == segment->annotation_rows.end()) |
6a26fc44 | 497 | return; |
5a9146ac | 498 | else |
6a26fc44 SA |
499 | rd = &(row_it->second); |
500 | ||
501 | rd->get_annotation_subset(dest, start_sample, end_sample); | |
47747218 SA |
502 | } |
503 | ||
5a9146ac | 504 | void DecodeSignal::get_annotation_subset(vector<const Annotation*> &dest, |
5a914348 SA |
505 | uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const |
506 | { | |
5a914348 | 507 | // Use forward_lists for faster merging |
5a9146ac | 508 | forward_list<const Annotation*> *all_ann_list = new forward_list<const Annotation*>(); |
5a914348 | 509 | |
6a26fc44 SA |
510 | vector<const Row*> rows = get_rows(); |
511 | for (const Row* row : rows) { | |
5a9146ac | 512 | vector<const Annotation*> *ann_vector = new vector<const Annotation*>(); |
5a914348 SA |
513 | get_annotation_subset(*ann_vector, row, segment_id, start_sample, end_sample); |
514 | ||
5a9146ac SA |
515 | forward_list<const Annotation*> *ann_list = |
516 | new forward_list<const Annotation*>(ann_vector->begin(), ann_vector->end()); | |
5a914348 SA |
517 | delete ann_vector; |
518 | ||
519 | all_ann_list->merge(*ann_list); | |
520 | delete ann_list; | |
521 | } | |
522 | ||
523 | move(all_ann_list->begin(), all_ann_list->end(), back_inserter(dest)); | |
524 | delete all_ann_list; | |
525 | } | |
526 | ||
e77de61f | 527 | uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id, |
ac9494ef | 528 | const Decoder* dec, uint32_t bin_class_id) const |
c0c3e62a | 529 | { |
c8a6db0e SA |
530 | if (segments_.size() == 0) |
531 | return 0; | |
532 | ||
c0c3e62a SA |
533 | try { |
534 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
535 | |
536 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
537 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
538 | return bc.chunks.size(); | |
c0c3e62a SA |
539 | } catch (out_of_range&) { |
540 | // Do nothing | |
541 | } | |
542 | ||
e77de61f | 543 | return 0; |
c0c3e62a SA |
544 | } |
545 | ||
e77de61f | 546 | void DecodeSignal::get_binary_data_chunk(uint32_t segment_id, |
ac9494ef | 547 | const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id, |
c0c3e62a SA |
548 | const vector<uint8_t> **dest, uint64_t *size) |
549 | { | |
550 | try { | |
551 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
552 | |
553 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
554 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) { | |
555 | if (dest) *dest = &(bc.chunks.at(chunk_id).data); | |
556 | if (size) *size = bc.chunks.at(chunk_id).data.size(); | |
557 | return; | |
558 | } | |
c0c3e62a SA |
559 | } catch (out_of_range&) { |
560 | // Do nothing | |
561 | } | |
562 | } | |
563 | ||
13b726cd | 564 | void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id, |
ac9494ef | 565 | const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample, |
e77de61f | 566 | uint64_t end_sample, vector<uint8_t> *dest) const |
c0c3e62a SA |
567 | { |
568 | assert(dest != nullptr); | |
569 | ||
570 | try { | |
571 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
572 | ||
e77de61f SA |
573 | const DecodeBinaryClass* bin_class = nullptr; |
574 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
575 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
576 | bin_class = &bc; | |
577 | ||
c0c3e62a SA |
578 | // Determine overall size before copying to resize dest vector only once |
579 | uint64_t size = 0; | |
163f3499 | 580 | uint64_t matches = 0; |
e77de61f SA |
581 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
582 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
583 | size += chunk.data.size(); | |
4b97fe09 SA |
584 | matches++; |
585 | } | |
586 | dest->resize(size); | |
c0c3e62a | 587 | |
163f3499 SA |
588 | uint64_t offset = 0; |
589 | uint64_t matches2 = 0; | |
e77de61f SA |
590 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
591 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
592 | memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size()); | |
593 | offset += chunk.data.size(); | |
163f3499 SA |
594 | matches2++; |
595 | ||
596 | // Make sure we don't overwrite memory if the array grew in the meanwhile | |
597 | if (matches2 == matches) | |
598 | break; | |
c0c3e62a SA |
599 | } |
600 | } catch (out_of_range&) { | |
601 | // Do nothing | |
602 | } | |
603 | } | |
604 | ||
13b726cd | 605 | void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id, |
6a26fc44 SA |
606 | const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end, |
607 | vector<uint8_t> *dest) const | |
13b726cd SA |
608 | { |
609 | assert(dest != nullptr); | |
610 | ||
611 | try { | |
612 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
613 | ||
614 | const DecodeBinaryClass* bin_class = nullptr; | |
615 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
616 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
617 | bin_class = &bc; | |
618 | ||
619 | // Determine overall size before copying to resize dest vector only once | |
620 | uint64_t size = 0; | |
621 | uint64_t offset = 0; | |
622 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
623 | if (offset >= start) | |
624 | size += chunk.data.size(); | |
625 | offset += chunk.data.size(); | |
626 | if (offset >= end) | |
627 | break; | |
628 | } | |
629 | dest->resize(size); | |
630 | ||
631 | offset = 0; | |
632 | uint64_t dest_offset = 0; | |
633 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
634 | if (offset >= start) { | |
635 | memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size()); | |
636 | dest_offset += chunk.data.size(); | |
637 | } | |
638 | offset += chunk.data.size(); | |
639 | if (offset >= end) | |
640 | break; | |
641 | } | |
642 | } catch (out_of_range&) { | |
643 | // Do nothing | |
644 | } | |
645 | } | |
646 | ||
628b45cc | 647 | const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id, |
6a26fc44 | 648 | const Decoder* dec, uint32_t bin_class_id) const |
628b45cc SA |
649 | { |
650 | try { | |
651 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
652 | ||
653 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
654 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
655 | return &bc; | |
656 | } catch (out_of_range&) { | |
657 | // Do nothing | |
658 | } | |
659 | ||
660 | return nullptr; | |
661 | } | |
c0c3e62a | 662 | |
47747218 SA |
663 | void DecodeSignal::save_settings(QSettings &settings) const |
664 | { | |
665 | SignalBase::save_settings(settings); | |
666 | ||
c8e60bdf SA |
667 | settings.setValue("decoders", (int)(stack_.size())); |
668 | ||
8b5ea5a1 | 669 | // Save decoder stack |
c8e60bdf | 670 | int decoder_idx = 0; |
6a26fc44 | 671 | for (const shared_ptr<Decoder>& decoder : stack_) { |
c8e60bdf SA |
672 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); |
673 | ||
6a26fc44 | 674 | settings.setValue("id", decoder->get_srd_decoder()->id); |
5d3ca591 | 675 | settings.setValue("visible", decoder->visible()); |
c8e60bdf | 676 | |
d3feec23 SA |
677 | // Save decoder options |
678 | const map<string, GVariant*>& options = decoder->options(); | |
679 | ||
680 | settings.setValue("options", (int)options.size()); | |
681 | ||
6a26fc44 | 682 | // Note: Decoder::options() returns only the options |
d3feec23 SA |
683 | // that differ from the default. See binding::Decoder::getter() |
684 | int i = 0; | |
f4ab4b5c | 685 | for (auto& option : options) { |
d3feec23 SA |
686 | settings.beginGroup("option" + QString::number(i)); |
687 | settings.setValue("name", QString::fromStdString(option.first)); | |
688 | GlobalSettings::store_gvariant(settings, option.second); | |
689 | settings.endGroup(); | |
690 | i++; | |
691 | } | |
692 | ||
c8e60bdf SA |
693 | settings.endGroup(); |
694 | } | |
695 | ||
8b5ea5a1 SA |
696 | // Save channel mapping |
697 | settings.setValue("channels", (int)channels_.size()); | |
698 | ||
699 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
700 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 701 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
702 | |
703 | if (channel == channels_.end()) { | |
704 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
705 | continue; | |
706 | } | |
707 | ||
708 | settings.beginGroup("channel" + QString::number(channel_id)); | |
709 | ||
710 | settings.setValue("name", channel->name); // Useful for debugging | |
711 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
712 | ||
713 | if (channel->assigned_signal) | |
714 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
715 | ||
716 | settings.endGroup(); | |
717 | } | |
47747218 SA |
718 | } |
719 | ||
720 | void DecodeSignal::restore_settings(QSettings &settings) | |
721 | { | |
722 | SignalBase::restore_settings(settings); | |
723 | ||
8b5ea5a1 | 724 | // Restore decoder stack |
c8e60bdf SA |
725 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); |
726 | ||
727 | int decoders = settings.value("decoders").toInt(); | |
728 | ||
729 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
730 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
731 | ||
732 | QString id = settings.value("id").toString(); | |
733 | ||
734 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
735 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
736 | if (!dec) | |
737 | continue; | |
738 | ||
739 | if (QString::fromUtf8(dec->id) == id) { | |
6a26fc44 | 740 | shared_ptr<Decoder> decoder = make_shared<Decoder>(dec); |
d3feec23 SA |
741 | |
742 | stack_.push_back(decoder); | |
5d3ca591 | 743 | decoder->set_visible(settings.value("visible", true).toBool()); |
d3feec23 SA |
744 | |
745 | // Restore decoder options that differ from their default | |
746 | int options = settings.value("options").toInt(); | |
747 | ||
748 | for (int i = 0; i < options; i++) { | |
749 | settings.beginGroup("option" + QString::number(i)); | |
750 | QString name = settings.value("name").toString(); | |
751 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
752 | decoder->set_option(name.toUtf8(), value); | |
753 | settings.endGroup(); | |
754 | } | |
c8e60bdf SA |
755 | |
756 | // Include the newly created decode channels in the channel lists | |
757 | update_channel_list(); | |
758 | break; | |
759 | } | |
760 | } | |
761 | ||
762 | settings.endGroup(); | |
4ca06ec3 | 763 | channels_updated(); |
c8e60bdf SA |
764 | } |
765 | ||
8b5ea5a1 SA |
766 | // Restore channel mapping |
767 | unsigned int channels = settings.value("channels").toInt(); | |
768 | ||
769 | const unordered_set< shared_ptr<data::SignalBase> > signalbases = | |
770 | session_.signalbases(); | |
771 | ||
772 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
773 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 774 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
775 | |
776 | if (channel == channels_.end()) { | |
777 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
778 | continue; | |
779 | } | |
780 | ||
781 | settings.beginGroup("channel" + QString::number(channel_id)); | |
782 | ||
783 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
784 | ||
f4ab4b5c | 785 | for (const shared_ptr<data::SignalBase>& signal : signalbases) |
8b5ea5a1 SA |
786 | if (signal->name() == assigned_signal_name) |
787 | channel->assigned_signal = signal.get(); | |
788 | ||
789 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
790 | ||
791 | settings.endGroup(); | |
792 | } | |
793 | ||
aa71890d | 794 | // Update the internal structures |
e3202557 | 795 | stack_config_changed_ = true; |
aa71890d SA |
796 | update_channel_list(); |
797 | commit_decoder_channels(); | |
798 | ||
8b5ea5a1 | 799 | begin_decode(); |
47747218 SA |
800 | } |
801 | ||
403c3e87 SA |
802 | void DecodeSignal::set_error_message(QString msg) |
803 | { | |
804 | error_message_ = msg; | |
fe060a48 SA |
805 | // TODO Emulate noquote() |
806 | qDebug().nospace() << name() << ": " << msg; | |
403c3e87 SA |
807 | } |
808 | ||
8a603e13 SA |
809 | uint32_t DecodeSignal::get_input_segment_count() const |
810 | { | |
811 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
812 | bool no_signals_assigned = true; | |
813 | ||
a82325d1 | 814 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
815 | if (ch.assigned_signal) { |
816 | no_signals_assigned = false; | |
817 | ||
818 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
819 | if (!logic_data || logic_data->logic_segments().empty()) | |
820 | return 0; | |
821 | ||
822 | // Find the min value of all segment counts | |
823 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
824 | count = logic_data->logic_segments().size(); | |
825 | } | |
826 | ||
827 | return (no_signals_assigned ? 0 : count); | |
828 | } | |
829 | ||
830 | uint32_t DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
831 | { | |
832 | double samplerate = 0; | |
833 | ||
a82325d1 | 834 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
835 | if (ch.assigned_signal) { |
836 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
837 | if (!logic_data || logic_data->logic_segments().empty()) | |
838 | continue; | |
839 | ||
840 | try { | |
841 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
842 | samplerate = segment->samplerate(); | |
30677c13 | 843 | } catch (out_of_range&) { |
8a603e13 SA |
844 | // Do nothing |
845 | } | |
846 | break; | |
847 | } | |
848 | ||
849 | return samplerate; | |
850 | } | |
851 | ||
6a26fc44 SA |
852 | Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec) |
853 | { | |
854 | for (shared_ptr<Decoder>& d : stack_) | |
855 | if (d->get_srd_decoder() == srd_dec) | |
856 | return d.get(); | |
857 | ||
858 | return nullptr; | |
859 | } | |
860 | ||
9f97b357 SA |
861 | void DecodeSignal::update_channel_list() |
862 | { | |
a82325d1 | 863 | vector<decode::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
864 | channels_.clear(); |
865 | ||
866 | uint16_t id = 0; | |
867 | ||
868 | // Copy existing entries, create new as needed | |
f4ab4b5c | 869 | for (shared_ptr<Decoder>& decoder : stack_) { |
6a26fc44 | 870 | const srd_decoder* srd_dec = decoder->get_srd_decoder(); |
9f97b357 SA |
871 | const GSList *l; |
872 | ||
873 | // Mandatory channels | |
6a26fc44 | 874 | for (l = srd_dec->channels; l; l = l->next) { |
9f97b357 SA |
875 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; |
876 | bool ch_added = false; | |
877 | ||
878 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 879 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
880 | if (ch.pdch_ == pdch) { |
881 | ch.id = id++; | |
882 | channels_.push_back(ch); | |
883 | ch_added = true; | |
884 | break; | |
885 | } | |
886 | ||
887 | if (!ch_added) { | |
888 | // Create new entry without a mapped signal | |
a82325d1 | 889 | decode::DecodeChannel ch = {id++, 0, false, nullptr, |
9f97b357 SA |
890 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
891 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
892 | channels_.push_back(ch); | |
893 | } | |
894 | } | |
895 | ||
896 | // Optional channels | |
6a26fc44 | 897 | for (l = srd_dec->opt_channels; l; l = l->next) { |
9f97b357 SA |
898 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; |
899 | bool ch_added = false; | |
900 | ||
901 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 902 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
903 | if (ch.pdch_ == pdch) { |
904 | ch.id = id++; | |
905 | channels_.push_back(ch); | |
906 | ch_added = true; | |
907 | break; | |
908 | } | |
909 | ||
910 | if (!ch_added) { | |
911 | // Create new entry without a mapped signal | |
a82325d1 | 912 | decode::DecodeChannel ch = {id++, 0, true, nullptr, |
9f97b357 SA |
913 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
914 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
915 | channels_.push_back(ch); | |
916 | } | |
917 | } | |
918 | } | |
919 | ||
47747218 SA |
920 | // Invalidate the logic output data if the channel assignment changed |
921 | if (prev_channels.size() != channels_.size()) { | |
922 | // The number of channels changed, there's definitely a difference | |
923 | logic_mux_data_invalid_ = true; | |
924 | } else { | |
925 | // Same number but assignment may still differ, so compare all channels | |
926 | for (size_t i = 0; i < channels_.size(); i++) { | |
a82325d1 SA |
927 | const decode::DecodeChannel& p_ch = prev_channels[i]; |
928 | const decode::DecodeChannel& ch = channels_[i]; | |
47747218 SA |
929 | |
930 | if ((p_ch.pdch_ != ch.pdch_) || | |
931 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
932 | logic_mux_data_invalid_ = true; | |
933 | break; | |
934 | } | |
935 | } | |
936 | ||
937 | } | |
938 | ||
9f97b357 SA |
939 | channels_updated(); |
940 | } | |
941 | ||
27a3f09b | 942 | void DecodeSignal::commit_decoder_channels() |
ad908057 | 943 | { |
27a3f09b | 944 | // Submit channel list to every decoder, containing only the relevant channels |
6a26fc44 | 945 | for (shared_ptr<Decoder> dec : stack_) { |
a82325d1 | 946 | vector<decode::DecodeChannel*> channel_list; |
27a3f09b | 947 | |
a82325d1 | 948 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
949 | if (ch.decoder_ == dec) |
950 | channel_list.push_back(&ch); | |
47747218 | 951 | |
27a3f09b SA |
952 | dec->set_channels(channel_list); |
953 | } | |
aa71890d SA |
954 | |
955 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
956 | int id = 0; | |
a82325d1 | 957 | for (decode::DecodeChannel& ch : channels_) |
aa71890d SA |
958 | if (ch.assigned_signal) |
959 | ch.bit_id = id++; | |
47747218 SA |
960 | } |
961 | ||
ed535cd7 | 962 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) |
47747218 | 963 | { |
27a3f09b SA |
964 | // Enforce end to be greater than start |
965 | if (end <= start) | |
966 | return; | |
967 | ||
ed535cd7 | 968 | // Fetch the channel segments and their data |
27a3f09b SA |
969 | vector<shared_ptr<LogicSegment> > segments; |
970 | vector<const uint8_t*> signal_data; | |
971 | vector<uint8_t> signal_in_bytepos; | |
972 | vector<uint8_t> signal_in_bitpos; | |
973 | ||
a82325d1 | 974 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
975 | if (ch.assigned_signal) { |
976 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
ed535cd7 SA |
977 | |
978 | shared_ptr<LogicSegment> segment; | |
979 | try { | |
980 | segment = logic_data->logic_segments().at(segment_id); | |
30677c13 | 981 | } catch (out_of_range&) { |
ed535cd7 SA |
982 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ |
983 | << "has no logic segment" << segment_id; | |
984 | return; | |
985 | } | |
27a3f09b | 986 | segments.push_back(segment); |
b82243f7 SA |
987 | |
988 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
989 | segment->get_samples(start, end, data); | |
990 | signal_data.push_back(data); | |
27a3f09b SA |
991 | |
992 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
993 | signal_in_bytepos.push_back(bitpos / 8); | |
994 | signal_in_bitpos.push_back(bitpos % 8); | |
995 | } | |
996 | ||
ed535cd7 SA |
997 | |
998 | shared_ptr<LogicSegment> output_segment; | |
999 | try { | |
1000 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
30677c13 | 1001 | } catch (out_of_range&) { |
ed535cd7 SA |
1002 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ |
1003 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
1004 | << logic_mux_data_->logic_segments().size(); | |
1005 | return; | |
1006 | } | |
1007 | ||
27a3f09b | 1008 | // Perform the muxing of signal data into the output data |
8a603e13 | 1009 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; |
27a3f09b SA |
1010 | unsigned int signal_count = signal_data.size(); |
1011 | ||
3b5282a2 SA |
1012 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); |
1013 | sample_cnt++) { | |
1014 | ||
27a3f09b SA |
1015 | int bitpos = 0; |
1016 | uint8_t bytepos = 0; | |
1017 | ||
8a603e13 SA |
1018 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); |
1019 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
27a3f09b | 1020 | output[out_sample_pos + i] = 0; |
47747218 | 1021 | |
27a3f09b SA |
1022 | for (unsigned int i = 0; i < signal_count; i++) { |
1023 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
1024 | const uint8_t in_sample = 1 & | |
1025 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
47747218 | 1026 | |
27a3f09b SA |
1027 | const uint8_t out_sample = output[out_sample_pos + bytepos]; |
1028 | ||
1029 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
1030 | ||
1031 | bitpos++; | |
1032 | if (bitpos > 7) { | |
1033 | bitpos = 0; | |
1034 | bytepos++; | |
1035 | } | |
1036 | } | |
47747218 SA |
1037 | } |
1038 | ||
8a603e13 | 1039 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); |
27a3f09b SA |
1040 | delete[] output; |
1041 | ||
1042 | for (const uint8_t* data : signal_data) | |
1043 | delete[] data; | |
1044 | } | |
1045 | ||
1046 | void DecodeSignal::logic_mux_proc() | |
1047 | { | |
ed535cd7 SA |
1048 | uint32_t segment_id = 0; |
1049 | ||
8a603e13 SA |
1050 | assert(logic_mux_data_); |
1051 | ||
65efd025 SA |
1052 | // Create initial logic mux segment |
1053 | shared_ptr<LogicSegment> output_segment = | |
85a70280 SA |
1054 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1055 | logic_mux_unit_size_, 0); | |
65efd025 | 1056 | logic_mux_data_->push_segment(output_segment); |
8a603e13 SA |
1057 | |
1058 | output_segment->set_samplerate(get_input_samplerate(0)); | |
ed535cd7 | 1059 | |
27a3f09b | 1060 | do { |
ed535cd7 | 1061 | const uint64_t input_sample_count = get_working_sample_count(segment_id); |
8a603e13 | 1062 | const uint64_t output_sample_count = output_segment->get_sample_count(); |
27a3f09b SA |
1063 | |
1064 | const uint64_t samples_to_process = | |
1065 | (input_sample_count > output_sample_count) ? | |
1066 | (input_sample_count - output_sample_count) : 0; | |
1067 | ||
1068 | // Process the samples if necessary... | |
1069 | if (samples_to_process > 0) { | |
8a603e13 | 1070 | const uint64_t unit_size = output_segment->unit_size(); |
27a3f09b SA |
1071 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; |
1072 | ||
1073 | uint64_t processed_samples = 0; | |
1074 | do { | |
1075 | const uint64_t start_sample = output_sample_count + processed_samples; | |
1076 | const uint64_t sample_count = | |
1077 | min(samples_to_process - processed_samples, chunk_sample_count); | |
1078 | ||
ed535cd7 | 1079 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); |
27a3f09b SA |
1080 | processed_samples += sample_count; |
1081 | ||
1082 | // ...and process the newly muxed logic data | |
1083 | decode_input_cond_.notify_one(); | |
3b5282a2 | 1084 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); |
27a3f09b SA |
1085 | } |
1086 | ||
1ec191ed | 1087 | if (samples_to_process == 0) { |
ed535cd7 SA |
1088 | // TODO Optimize this by caching the input segment count and only |
1089 | // querying it when the cached value was reached | |
1090 | if (segment_id < get_input_segment_count() - 1) { | |
1091 | // Process next segment | |
1092 | segment_id++; | |
1093 | ||
65efd025 | 1094 | output_segment = |
85a70280 SA |
1095 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1096 | logic_mux_unit_size_, 0); | |
65efd025 | 1097 | logic_mux_data_->push_segment(output_segment); |
ba5f2186 | 1098 | |
8a603e13 SA |
1099 | output_segment->set_samplerate(get_input_samplerate(segment_id)); |
1100 | ||
ed535cd7 SA |
1101 | } else { |
1102 | // All segments have been processed | |
1103 | logic_mux_data_invalid_ = false; | |
1104 | ||
1105 | // Wait for more input | |
1106 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1107 | logic_mux_cond_.wait(logic_mux_lock); | |
1108 | } | |
27a3f09b | 1109 | } |
1ae18301 | 1110 | |
1ec191ed | 1111 | } while (!logic_mux_interrupt_); |
47747218 SA |
1112 | } |
1113 | ||
1114 | void DecodeSignal::decode_data( | |
8a603e13 SA |
1115 | const int64_t abs_start_samplenum, const int64_t sample_count, |
1116 | const shared_ptr<LogicSegment> input_segment) | |
47747218 | 1117 | { |
8a603e13 | 1118 | const int64_t unit_size = input_segment->unit_size(); |
27a3f09b | 1119 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; |
47747218 SA |
1120 | |
1121 | for (int64_t i = abs_start_samplenum; | |
1ae18301 SA |
1122 | error_message_.isEmpty() && !decode_interrupt_ && |
1123 | (i < (abs_start_samplenum + sample_count)); | |
47747218 SA |
1124 | i += chunk_sample_count) { |
1125 | ||
1126 | const int64_t chunk_end = min(i + chunk_sample_count, | |
1127 | abs_start_samplenum + sample_count); | |
1128 | ||
e06cf18d SA |
1129 | { |
1130 | lock_guard<mutex> lock(output_mutex_); | |
b82908ab SA |
1131 | // Update the sample count showing the samples including currently processed ones |
1132 | segments_.at(current_segment_id_).samples_decoded_incl = chunk_end; | |
e06cf18d SA |
1133 | } |
1134 | ||
b82243f7 SA |
1135 | int64_t data_size = (chunk_end - i) * unit_size; |
1136 | uint8_t* chunk = new uint8_t[data_size]; | |
8a603e13 | 1137 | input_segment->get_samples(i, chunk_end, chunk); |
47747218 | 1138 | |
e91883bb | 1139 | if (srd_session_send(srd_session_, i, chunk_end, chunk, |
1ae18301 | 1140 | data_size, unit_size) != SRD_OK) |
403c3e87 | 1141 | set_error_message(tr("Decoder reported an error")); |
a3ebd556 | 1142 | |
47747218 SA |
1143 | delete[] chunk; |
1144 | ||
b82908ab SA |
1145 | { |
1146 | lock_guard<mutex> lock(output_mutex_); | |
1147 | // Now that all samples are processed, the exclusive sample count catches up | |
1148 | segments_.at(current_segment_id_).samples_decoded_excl = chunk_end; | |
1149 | } | |
1150 | ||
1b56c646 SA |
1151 | // Notify the frontend that we processed some data and |
1152 | // possibly have new annotations as well | |
1153 | new_annotations(); | |
556259d2 SA |
1154 | |
1155 | if (decode_paused_) { | |
1156 | unique_lock<mutex> pause_wait_lock(decode_pause_mutex_); | |
1157 | decode_pause_cond_.wait(pause_wait_lock); | |
1158 | } | |
47747218 SA |
1159 | } |
1160 | } | |
1161 | ||
1162 | void DecodeSignal::decode_proc() | |
1163 | { | |
65efd025 SA |
1164 | current_segment_id_ = 0; |
1165 | ||
1166 | // If there is no input data available yet, wait until it is or we're interrupted | |
1167 | if (logic_mux_data_->logic_segments().size() == 0) { | |
1168 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1169 | decode_input_cond_.wait(input_wait_lock); | |
1170 | } | |
a3ebd556 SA |
1171 | |
1172 | if (decode_interrupt_) | |
1173 | return; | |
1174 | ||
8a603e13 | 1175 | shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front(); |
8a603e13 | 1176 | assert(input_segment); |
65efd025 SA |
1177 | |
1178 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
1179 | create_decode_segment(); | |
8a603e13 | 1180 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1181 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1182 | |
65efd025 SA |
1183 | start_srd_session(); |
1184 | ||
1185 | uint64_t sample_count = 0; | |
27a3f09b | 1186 | uint64_t abs_start_samplenum = 0; |
47747218 | 1187 | do { |
27a3f09b SA |
1188 | // Keep processing new samples until we exhaust the input data |
1189 | do { | |
767bf4e7 | 1190 | lock_guard<mutex> input_lock(input_mutex_); |
8a603e13 | 1191 | sample_count = input_segment->get_sample_count() - abs_start_samplenum; |
27a3f09b SA |
1192 | |
1193 | if (sample_count > 0) { | |
8a603e13 | 1194 | decode_data(abs_start_samplenum, sample_count, input_segment); |
27a3f09b SA |
1195 | abs_start_samplenum += sample_count; |
1196 | } | |
1b56c646 SA |
1197 | } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_); |
1198 | ||
8a603e13 SA |
1199 | if (error_message_.isEmpty() && !decode_interrupt_ && sample_count == 0) { |
1200 | if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) { | |
1201 | // Process next segment | |
1202 | current_segment_id_++; | |
1203 | ||
1204 | try { | |
1205 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
30677c13 | 1206 | } catch (out_of_range&) { |
8a603e13 SA |
1207 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ |
1208 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
1209 | << logic_mux_data_->logic_segments().size(); | |
1210 | return; | |
1211 | } | |
1212 | abs_start_samplenum = 0; | |
1213 | ||
65efd025 SA |
1214 | // Create the next segment and set its metadata |
1215 | create_decode_segment(); | |
8a603e13 | 1216 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1217 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1218 | |
90ca4cc8 SA |
1219 | // Reset decoder state but keep the decoder stack intact |
1220 | terminate_srd_session(); | |
8a603e13 SA |
1221 | } else { |
1222 | // All segments have been processed | |
1b56c646 | 1223 | decode_finished(); |
27a3f09b | 1224 | |
8a603e13 SA |
1225 | // Wait for new input data or an interrupt was requested |
1226 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1227 | decode_input_cond_.wait(input_wait_lock); | |
1228 | } | |
27a3f09b SA |
1229 | } |
1230 | } while (error_message_.isEmpty() && !decode_interrupt_); | |
ce0b6a40 GS |
1231 | |
1232 | // Potentially reap decoders when the application no longer is | |
1233 | // interested in their (pending) results. | |
1234 | if (decode_interrupt_) | |
1235 | terminate_srd_session(); | |
e91883bb SA |
1236 | } |
1237 | ||
1238 | void DecodeSignal::start_srd_session() | |
1239 | { | |
8ce0e732 SA |
1240 | // If there were stack changes, the session has been destroyed by now, so if |
1241 | // it hasn't been destroyed, we can just reset and re-use it | |
ce0b6a40 GS |
1242 | if (srd_session_) { |
1243 | // When a decoder stack was created before, re-use it | |
1244 | // for the next stream of input data, after terminating | |
1245 | // potentially still executing operations, and resetting | |
1246 | // internal state. Skip the rather expensive (teardown | |
1247 | // and) construction of another decoder stack. | |
1248 | ||
1249 | // TODO Reduce redundancy, use a common code path for | |
72486b78 | 1250 | // the meta/start sequence? |
ce0b6a40 | 1251 | terminate_srd_session(); |
72486b78 SA |
1252 | |
1253 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1254 | uint64_t samplerate = 0; |
7dd518b8 | 1255 | if (segments_.size() > 0) |
ba5b52e1 GS |
1256 | samplerate = segments_.at(current_segment_id_).samplerate; |
1257 | if (samplerate) | |
7dd518b8 | 1258 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1259 | g_variant_new_uint64(samplerate)); |
6a26fc44 | 1260 | for (const shared_ptr<Decoder>& dec : stack_) |
72486b78 | 1261 | dec->apply_all_options(); |
ce0b6a40 | 1262 | srd_session_start(srd_session_); |
72486b78 | 1263 | |
ce0b6a40 GS |
1264 | return; |
1265 | } | |
e91883bb | 1266 | |
a3ebd556 SA |
1267 | // Create the session |
1268 | srd_session_new(&srd_session_); | |
1269 | assert(srd_session_); | |
47747218 | 1270 | |
a3ebd556 SA |
1271 | // Create the decoders |
1272 | srd_decoder_inst *prev_di = nullptr; | |
6a26fc44 | 1273 | for (const shared_ptr<Decoder>& dec : stack_) { |
a3ebd556 | 1274 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); |
e91883bb | 1275 | |
a3ebd556 | 1276 | if (!di) { |
403c3e87 | 1277 | set_error_message(tr("Failed to create decoder instance")); |
a3ebd556 | 1278 | srd_session_destroy(srd_session_); |
c5f9553c | 1279 | srd_session_ = nullptr; |
a3ebd556 SA |
1280 | return; |
1281 | } | |
e91883bb | 1282 | |
a3ebd556 SA |
1283 | if (prev_di) |
1284 | srd_inst_stack(srd_session_, prev_di, di); | |
e91883bb | 1285 | |
a3ebd556 | 1286 | prev_di = di; |
e91883bb | 1287 | } |
a3ebd556 SA |
1288 | |
1289 | // Start the session | |
7dd518b8 SA |
1290 | if (segments_.size() > 0) |
1291 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1292 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
a3ebd556 SA |
1293 | |
1294 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1295 | DecodeSignal::annotation_callback, this); | |
1296 | ||
c0c3e62a SA |
1297 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY, |
1298 | DecodeSignal::binary_callback, this); | |
1299 | ||
a3ebd556 | 1300 | srd_session_start(srd_session_); |
e3202557 SA |
1301 | |
1302 | // We just recreated the srd session, so all stack changes are applied now | |
1303 | stack_config_changed_ = false; | |
e91883bb | 1304 | } |
47747218 | 1305 | |
ce0b6a40 GS |
1306 | void DecodeSignal::terminate_srd_session() |
1307 | { | |
1308 | // Call the "terminate and reset" routine for the decoder stack | |
1309 | // (if available). This does not harm those stacks which already | |
1310 | // have completed their operation, and reduces response time for | |
1311 | // those stacks which still are processing data while the | |
1312 | // application no longer wants them to. | |
72486b78 | 1313 | if (srd_session_) { |
ce0b6a40 | 1314 | srd_session_terminate_reset(srd_session_); |
72486b78 SA |
1315 | |
1316 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1317 | uint64_t samplerate = 0; |
7dd518b8 | 1318 | if (segments_.size() > 0) |
ba5b52e1 GS |
1319 | samplerate = segments_.at(current_segment_id_).samplerate; |
1320 | if (samplerate) | |
7dd518b8 | 1321 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1322 | g_variant_new_uint64(samplerate)); |
6a26fc44 | 1323 | for (const shared_ptr<Decoder>& dec : stack_) |
72486b78 SA |
1324 | dec->apply_all_options(); |
1325 | } | |
ce0b6a40 GS |
1326 | } |
1327 | ||
e91883bb SA |
1328 | void DecodeSignal::stop_srd_session() |
1329 | { | |
1330 | if (srd_session_) { | |
1331 | // Destroy the session | |
1332 | srd_session_destroy(srd_session_); | |
1333 | srd_session_ = nullptr; | |
8ce0e732 SA |
1334 | |
1335 | // Mark the decoder instances as non-existant since they were deleted | |
6a26fc44 | 1336 | for (const shared_ptr<Decoder>& dec : stack_) |
8ce0e732 | 1337 | dec->invalidate_decoder_inst(); |
e91883bb | 1338 | } |
47747218 SA |
1339 | } |
1340 | ||
a8a9222d SA |
1341 | void DecodeSignal::connect_input_notifiers() |
1342 | { | |
1343 | // Disconnect the notification slot from the previous set of signals | |
1b56c646 | 1344 | disconnect(this, SLOT(on_data_cleared())); |
a8a9222d SA |
1345 | disconnect(this, SLOT(on_data_received())); |
1346 | ||
1347 | // Connect the currently used signals to our slot | |
a82325d1 | 1348 | for (decode::DecodeChannel& ch : channels_) { |
a8a9222d SA |
1349 | if (!ch.assigned_signal) |
1350 | continue; | |
1351 | ||
1b56c646 SA |
1352 | const data::SignalBase *signal = ch.assigned_signal; |
1353 | connect(signal, SIGNAL(samples_cleared()), | |
1354 | this, SLOT(on_data_cleared())); | |
b10b58f4 | 1355 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), |
a8a9222d SA |
1356 | this, SLOT(on_data_received())); |
1357 | } | |
1358 | } | |
1359 | ||
65efd025 | 1360 | void DecodeSignal::create_decode_segment() |
4913560f | 1361 | { |
65efd025 SA |
1362 | // Create annotation segment |
1363 | segments_.emplace_back(DecodeSegment()); | |
72435789 | 1364 | |
65efd025 | 1365 | // Add annotation classes |
6a26fc44 SA |
1366 | for (const shared_ptr<Decoder> dec : stack_) |
1367 | for (Row* row : dec->get_rows()) | |
1368 | segments_.back().annotation_rows.emplace(row, RowData(row)); | |
e77de61f SA |
1369 | |
1370 | // Prepare our binary output classes | |
6a26fc44 | 1371 | for (const shared_ptr<Decoder>& dec : stack_) { |
ac9494ef | 1372 | uint32_t n = dec->get_binary_class_count(); |
e77de61f | 1373 | |
ac9494ef | 1374 | for (uint32_t i = 0; i < n; i++) |
e77de61f | 1375 | segments_.back().binary_classes.push_back( |
c8a6db0e | 1376 | {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()}); |
e77de61f | 1377 | } |
4913560f SA |
1378 | } |
1379 | ||
47747218 SA |
1380 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) |
1381 | { | |
1382 | assert(pdata); | |
b21501d6 | 1383 | assert(decode_signal); |
47747218 SA |
1384 | |
1385 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1386 | assert(ds); | |
1387 | ||
3b5282a2 SA |
1388 | if (ds->decode_interrupt_) |
1389 | return; | |
1390 | ||
47747218 SA |
1391 | lock_guard<mutex> lock(ds->output_mutex_); |
1392 | ||
c0c3e62a | 1393 | // Get the decoder and the annotation data |
47747218 SA |
1394 | assert(pdata->pdo); |
1395 | assert(pdata->pdo->di); | |
6a26fc44 SA |
1396 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; |
1397 | assert(srd_dec); | |
47747218 | 1398 | |
c0c3e62a | 1399 | const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data; |
1becee23 UH |
1400 | assert(pda); |
1401 | ||
c0c3e62a | 1402 | // Find the row |
6a26fc44 SA |
1403 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); |
1404 | assert(dec); | |
47747218 | 1405 | |
6a26fc44 | 1406 | AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class); |
4526de63 SA |
1407 | if (!ann_class) { |
1408 | qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" << | |
1409 | "with class ID" << pda->ann_class << "but there are only" << | |
1410 | dec->ann_classes().size() << "known classes"; | |
1411 | return; | |
1412 | } | |
6a26fc44 SA |
1413 | |
1414 | const Row* row = ann_class->row; | |
1415 | ||
1416 | if (!row) | |
1417 | row = dec->get_row_by_id(0); | |
47747218 SA |
1418 | |
1419 | // Add the annotation | |
6a26fc44 | 1420 | ds->segments_[ds->current_segment_id_].annotation_rows.at(row).emplace_annotation(pdata); |
47747218 SA |
1421 | } |
1422 | ||
c0c3e62a SA |
1423 | void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal) |
1424 | { | |
1425 | assert(pdata); | |
1426 | assert(decode_signal); | |
1427 | ||
1428 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1429 | assert(ds); | |
1430 | ||
1431 | if (ds->decode_interrupt_) | |
1432 | return; | |
1433 | ||
e77de61f SA |
1434 | // Get the decoder and the binary data |
1435 | assert(pdata->pdo); | |
1436 | assert(pdata->pdo->di); | |
6a26fc44 SA |
1437 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; |
1438 | assert(srd_dec); | |
e77de61f | 1439 | |
c0c3e62a SA |
1440 | const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data; |
1441 | assert(pdb); | |
1442 | ||
e77de61f | 1443 | // Find the matching DecodeBinaryClass |
c0c3e62a SA |
1444 | DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_)); |
1445 | ||
e77de61f SA |
1446 | DecodeBinaryClass* bin_class = nullptr; |
1447 | for (DecodeBinaryClass& bc : segment->binary_classes) | |
6a26fc44 SA |
1448 | if ((bc.decoder->get_srd_decoder() == srd_dec) && |
1449 | (bc.info->bin_class_id == (uint32_t)pdb->bin_class)) | |
e77de61f | 1450 | bin_class = &bc; |
c0c3e62a | 1451 | |
e77de61f SA |
1452 | if (!bin_class) { |
1453 | qWarning() << "Could not find valid DecodeBinaryClass in segment" << | |
1454 | ds->current_segment_id_ << "for binary class ID" << pdb->bin_class << | |
1455 | ", segment only knows" << segment->binary_classes.size() << "classes"; | |
1456 | return; | |
1457 | } | |
c0c3e62a | 1458 | |
e77de61f SA |
1459 | // Add the data chunk |
1460 | bin_class->chunks.emplace_back(); | |
1461 | DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back()); | |
1462 | ||
1463 | chunk->sample = pdata->start_sample; | |
1464 | chunk->data.resize(pdb->size); | |
1465 | memcpy(chunk->data.data(), pdb->data, pdb->size); | |
1466 | ||
6a26fc44 | 1467 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); |
b2b18d3a SA |
1468 | |
1469 | ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class); | |
c0c3e62a SA |
1470 | } |
1471 | ||
47747218 SA |
1472 | void DecodeSignal::on_capture_state_changed(int state) |
1473 | { | |
1474 | // If a new acquisition was started, we need to start decoding from scratch | |
ba5f2186 SA |
1475 | if (state == Session::Running) { |
1476 | logic_mux_data_invalid_ = true; | |
47747218 | 1477 | begin_decode(); |
ba5f2186 | 1478 | } |
47747218 SA |
1479 | } |
1480 | ||
1b56c646 SA |
1481 | void DecodeSignal::on_data_cleared() |
1482 | { | |
1483 | reset_decode(); | |
1484 | } | |
1485 | ||
47747218 SA |
1486 | void DecodeSignal::on_data_received() |
1487 | { | |
5620539c SA |
1488 | // If we detected a lack of input data when trying to start decoding, |
1489 | // we have set an error message. Only try again if we now have data | |
1490 | // to work with | |
1491 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1492 | return; | |
1493 | ||
1b56c646 SA |
1494 | if (!logic_mux_thread_.joinable()) |
1495 | begin_decode(); | |
1496 | else | |
1497 | logic_mux_cond_.notify_one(); | |
47747218 SA |
1498 | } |
1499 | ||
ad908057 SA |
1500 | } // namespace data |
1501 | } // namespace pv |