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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 | 37 | using std::lock_guard; |
ad908057 | 38 | using std::make_shared; |
0c5fe73e | 39 | using std::min; |
5ecf957f | 40 | using std::out_of_range; |
ad908057 | 41 | using std::shared_ptr; |
47747218 | 42 | using std::unique_lock; |
6a26fc44 | 43 | using pv::data::decode::AnnotationClass; |
a82325d1 | 44 | using pv::data::decode::DecodeChannel; |
ad908057 SA |
45 | |
46 | namespace pv { | |
47 | namespace data { | |
48 | ||
47747218 SA |
49 | const double DecodeSignal::DecodeMargin = 1.0; |
50 | const double DecodeSignal::DecodeThreshold = 0.2; | |
3fbddf7f | 51 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; |
ad908057 | 52 | |
ad908057 | 53 | |
47747218 SA |
54 | DecodeSignal::DecodeSignal(pv::Session &session) : |
55 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
56 | session_(session), | |
e91883bb | 57 | srd_session_(nullptr), |
47747218 | 58 | logic_mux_data_invalid_(false), |
e3202557 | 59 | stack_config_changed_(true), |
8a603e13 | 60 | current_segment_id_(0) |
ad908057 | 61 | { |
47747218 SA |
62 | connect(&session_, SIGNAL(capture_state_changed(int)), |
63 | this, SLOT(on_capture_state_changed(int))); | |
ad908057 SA |
64 | } |
65 | ||
47747218 | 66 | DecodeSignal::~DecodeSignal() |
ad908057 | 67 | { |
8ce0e732 | 68 | reset_decode(true); |
ad908057 SA |
69 | } |
70 | ||
47747218 | 71 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const |
ecd07c20 | 72 | { |
47747218 | 73 | return stack_; |
ecd07c20 SA |
74 | } |
75 | ||
ed75426f | 76 | void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode) |
ad908057 SA |
77 | { |
78 | assert(decoder); | |
762ab7a4 | 79 | |
b9591f3a | 80 | // Set name if this decoder is the first in the list or the name is unchanged |
6a26fc44 SA |
81 | const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder(); |
82 | const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString(); | |
47747218 | 83 | |
b9591f3a | 84 | if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name))) |
47747218 | 85 | set_name(QString::fromUtf8(decoder->name)); |
132a5c6d | 86 | |
6a26fc44 | 87 | const shared_ptr<Decoder> dec = make_shared<Decoder>(decoder); |
b9591f3a SA |
88 | stack_.push_back(dec); |
89 | ||
27a3f09b | 90 | // Include the newly created decode channels in the channel lists |
9f97b357 | 91 | update_channel_list(); |
132a5c6d | 92 | |
e3202557 | 93 | stack_config_changed_ = true; |
762ab7a4 | 94 | auto_assign_signals(dec); |
27a3f09b | 95 | commit_decoder_channels(); |
e77de61f SA |
96 | |
97 | decoder_stacked((void*)dec.get()); | |
98 | ||
ed75426f SA |
99 | if (restart_decode) |
100 | begin_decode(); | |
ad908057 SA |
101 | } |
102 | ||
103 | void DecodeSignal::remove_decoder(int index) | |
104 | { | |
47747218 SA |
105 | assert(index >= 0); |
106 | assert(index < (int)stack_.size()); | |
107 | ||
108 | // Find the decoder in the stack | |
109 | auto iter = stack_.begin(); | |
110 | for (int i = 0; i < index; i++, iter++) | |
111 | assert(iter != stack_.end()); | |
112 | ||
e77de61f SA |
113 | decoder_removed(iter->get()); |
114 | ||
47747218 SA |
115 | // Delete the element |
116 | stack_.erase(iter); | |
117 | ||
118 | // Update channels and decoded data | |
e3202557 | 119 | stack_config_changed_ = true; |
9f97b357 | 120 | update_channel_list(); |
47747218 | 121 | begin_decode(); |
ad908057 SA |
122 | } |
123 | ||
124 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
125 | { | |
47747218 | 126 | auto iter = stack_.cbegin(); |
ad908057 | 127 | for (int i = 0; i < index; i++, iter++) |
47747218 | 128 | assert(iter != stack_.end()); |
ad908057 SA |
129 | |
130 | shared_ptr<Decoder> dec = *iter; | |
131 | ||
132 | // Toggle decoder visibility | |
133 | bool state = false; | |
134 | if (dec) { | |
5d3ca591 SA |
135 | state = !dec->visible(); |
136 | dec->set_visible(state); | |
ad908057 SA |
137 | } |
138 | ||
139 | return state; | |
140 | } | |
141 | ||
8ce0e732 | 142 | void DecodeSignal::reset_decode(bool shutting_down) |
47747218 | 143 | { |
8ce0e732 | 144 | if (stack_config_changed_ || shutting_down) |
e3202557 SA |
145 | stop_srd_session(); |
146 | else | |
147 | terminate_srd_session(); | |
ce0b6a40 | 148 | |
1b56c646 SA |
149 | if (decode_thread_.joinable()) { |
150 | decode_interrupt_ = true; | |
151 | decode_input_cond_.notify_one(); | |
152 | decode_thread_.join(); | |
153 | } | |
154 | ||
155 | if (logic_mux_thread_.joinable()) { | |
156 | logic_mux_interrupt_ = true; | |
157 | logic_mux_cond_.notify_one(); | |
158 | logic_mux_thread_.join(); | |
159 | } | |
160 | ||
dda88657 | 161 | resume_decode(); // Make sure the decode thread isn't blocked by pausing |
556259d2 | 162 | |
8a603e13 | 163 | current_segment_id_ = 0; |
72435789 | 164 | segments_.clear(); |
1b56c646 SA |
165 | |
166 | logic_mux_data_.reset(); | |
167 | logic_mux_data_invalid_ = true; | |
eee3eab9 | 168 | |
403c3e87 SA |
169 | if (!error_message_.isEmpty()) { |
170 | error_message_ = QString(); | |
fe060a48 SA |
171 | // TODO Emulate noquote() |
172 | qDebug().nospace() << name() << ": Error cleared"; | |
403c3e87 | 173 | } |
72435789 | 174 | |
eee3eab9 | 175 | decode_reset(); |
47747218 SA |
176 | } |
177 | ||
946b52e1 SA |
178 | void DecodeSignal::begin_decode() |
179 | { | |
47747218 SA |
180 | if (decode_thread_.joinable()) { |
181 | decode_interrupt_ = true; | |
182 | decode_input_cond_.notify_one(); | |
183 | decode_thread_.join(); | |
184 | } | |
185 | ||
186 | if (logic_mux_thread_.joinable()) { | |
187 | logic_mux_interrupt_ = true; | |
188 | logic_mux_cond_.notify_one(); | |
189 | logic_mux_thread_.join(); | |
190 | } | |
191 | ||
192 | reset_decode(); | |
193 | ||
27a3f09b | 194 | if (stack_.size() == 0) { |
403c3e87 | 195 | set_error_message(tr("No decoders")); |
27a3f09b SA |
196 | return; |
197 | } | |
198 | ||
199 | assert(channels_.size() > 0); | |
200 | ||
201 | if (get_assigned_signal_count() == 0) { | |
403c3e87 | 202 | set_error_message(tr("There are no channels assigned to this decoder")); |
27a3f09b SA |
203 | return; |
204 | } | |
205 | ||
04627946 SA |
206 | // Make sure that all assigned channels still provide logic data |
207 | // (can happen when a converted signal was assigned but the | |
208 | // conversion removed in the meanwhile) | |
a82325d1 | 209 | for (decode::DecodeChannel& ch : channels_) |
04627946 SA |
210 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) |
211 | ch.assigned_signal = nullptr; | |
212 | ||
47747218 | 213 | // Check that all decoders have the required channels |
6a26fc44 | 214 | for (const shared_ptr<Decoder>& dec : stack_) |
47747218 | 215 | if (!dec->have_required_channels()) { |
403c3e87 SA |
216 | set_error_message(tr("One or more required channels " |
217 | "have not been specified")); | |
47747218 SA |
218 | return; |
219 | } | |
220 | ||
27a3f09b SA |
221 | // Free the logic data and its segment(s) if it needs to be updated |
222 | if (logic_mux_data_invalid_) | |
223 | logic_mux_data_.reset(); | |
224 | ||
225 | if (!logic_mux_data_) { | |
72435789 | 226 | const uint32_t ch_count = get_assigned_signal_count(); |
ed535cd7 | 227 | logic_mux_unit_size_ = (ch_count + 7) / 8; |
27a3f09b | 228 | logic_mux_data_ = make_shared<Logic>(ch_count); |
27a3f09b | 229 | } |
47747218 | 230 | |
ed535cd7 SA |
231 | // Receive notifications when new sample data is available |
232 | connect_input_notifiers(); | |
233 | ||
8a603e13 | 234 | if (get_input_segment_count() == 0) { |
403c3e87 | 235 | set_error_message(tr("No input data")); |
ed535cd7 SA |
236 | return; |
237 | } | |
238 | ||
27a3f09b SA |
239 | // Make sure the logic output data is complete and up-to-date |
240 | logic_mux_interrupt_ = false; | |
241 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
242 | ||
243 | // Decode the muxed logic data | |
47747218 SA |
244 | decode_interrupt_ = false; |
245 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
246 | } |
247 | ||
556259d2 SA |
248 | void DecodeSignal::pause_decode() |
249 | { | |
250 | decode_paused_ = true; | |
251 | } | |
252 | ||
253 | void DecodeSignal::resume_decode() | |
254 | { | |
255 | // Manual unlocking is done before notifying, to avoid waking up the | |
256 | // waiting thread only to block again (see notify_one for details) | |
257 | decode_pause_mutex_.unlock(); | |
258 | decode_pause_cond_.notify_one(); | |
259 | decode_paused_ = false; | |
260 | } | |
261 | ||
262 | bool DecodeSignal::is_paused() const | |
263 | { | |
264 | return decode_paused_; | |
265 | } | |
266 | ||
ecd07c20 SA |
267 | QString DecodeSignal::error_message() const |
268 | { | |
47747218 SA |
269 | lock_guard<mutex> lock(output_mutex_); |
270 | return error_message_; | |
ecd07c20 SA |
271 | } |
272 | ||
a82325d1 | 273 | const vector<decode::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
274 | { |
275 | return channels_; | |
276 | } | |
277 | ||
762ab7a4 | 278 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) |
132a5c6d | 279 | { |
47747218 SA |
280 | bool new_assignment = false; |
281 | ||
132a5c6d | 282 | // Try to auto-select channels that don't have signals assigned yet |
a82325d1 | 283 | for (decode::DecodeChannel& ch : channels_) { |
762ab7a4 SA |
284 | // If a decoder is given, auto-assign only its channels |
285 | if (dec && (ch.decoder_ != dec)) | |
286 | continue; | |
287 | ||
132a5c6d SA |
288 | if (ch.assigned_signal) |
289 | continue; | |
290 | ||
c526a8fd SA |
291 | QString ch_name = ch.name.toLower(); |
292 | ch_name = ch_name.replace(QRegExp("[-_.]"), " "); | |
a8030bb0 SA |
293 | |
294 | shared_ptr<data::SignalBase> match; | |
f4ab4b5c | 295 | for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) { |
f9ebf303 SA |
296 | if (!s->enabled()) |
297 | continue; | |
298 | ||
c526a8fd SA |
299 | QString s_name = s->name().toLower(); |
300 | s_name = s_name.replace(QRegExp("[-_.]"), " "); | |
692f6093 SA |
301 | |
302 | if (s->logic_data() && | |
303 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
a8030bb0 SA |
304 | if (!match) |
305 | match = s; | |
306 | else { | |
307 | // Only replace an existing match if it matches more characters | |
308 | int old_unmatched = ch_name.length() - match->name().length(); | |
309 | int new_unmatched = ch_name.length() - s->name().length(); | |
310 | if (abs(new_unmatched) < abs(old_unmatched)) | |
311 | match = s; | |
312 | } | |
47747218 | 313 | } |
692f6093 | 314 | } |
a8030bb0 SA |
315 | |
316 | if (match) { | |
317 | ch.assigned_signal = match.get(); | |
318 | new_assignment = true; | |
319 | } | |
47747218 SA |
320 | } |
321 | ||
322 | if (new_assignment) { | |
323 | logic_mux_data_invalid_ = true; | |
e3202557 | 324 | stack_config_changed_ = true; |
27a3f09b | 325 | commit_decoder_channels(); |
47747218 | 326 | channels_updated(); |
132a5c6d SA |
327 | } |
328 | } | |
329 | ||
9f97b357 SA |
330 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
331 | { | |
a82325d1 | 332 | for (decode::DecodeChannel& ch : channels_) |
47747218 | 333 | if (ch.id == channel_id) { |
9f97b357 | 334 | ch.assigned_signal = signal; |
47747218 SA |
335 | logic_mux_data_invalid_ = true; |
336 | } | |
9f97b357 | 337 | |
e3202557 | 338 | stack_config_changed_ = true; |
27a3f09b | 339 | commit_decoder_channels(); |
9f97b357 | 340 | channels_updated(); |
47747218 | 341 | begin_decode(); |
9f97b357 SA |
342 | } |
343 | ||
27a3f09b SA |
344 | int DecodeSignal::get_assigned_signal_count() const |
345 | { | |
346 | // Count all channels that have a signal assigned to them | |
347 | return count_if(channels_.begin(), channels_.end(), | |
a82325d1 | 348 | [](decode::DecodeChannel ch) { return ch.assigned_signal; }); |
27a3f09b SA |
349 | } |
350 | ||
9f97b357 SA |
351 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) |
352 | { | |
a82325d1 | 353 | for (decode::DecodeChannel& ch : channels_) |
9f97b357 SA |
354 | if (ch.id == channel_id) |
355 | ch.initial_pin_state = init_state; | |
356 | ||
e3202557 | 357 | stack_config_changed_ = true; |
9f97b357 | 358 | channels_updated(); |
47747218 | 359 | begin_decode(); |
9f97b357 SA |
360 | } |
361 | ||
ff83d980 SA |
362 | double DecodeSignal::samplerate() const |
363 | { | |
72435789 SA |
364 | double result = 0; |
365 | ||
366 | // TODO For now, we simply return the first samplerate that we have | |
8a603e13 SA |
367 | if (segments_.size() > 0) |
368 | result = segments_.front().samplerate; | |
72435789 SA |
369 | |
370 | return result; | |
ff83d980 SA |
371 | } |
372 | ||
72435789 | 373 | const pv::util::Timestamp DecodeSignal::start_time() const |
ff83d980 | 374 | { |
72435789 SA |
375 | pv::util::Timestamp result; |
376 | ||
377 | // TODO For now, we simply return the first start time that we have | |
8a603e13 SA |
378 | if (segments_.size() > 0) |
379 | result = segments_.front().start_time; | |
72435789 SA |
380 | |
381 | return result; | |
ff83d980 SA |
382 | } |
383 | ||
5ecf957f | 384 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const |
0c5fe73e SA |
385 | { |
386 | // The working sample count is the highest sample number for | |
ed535cd7 SA |
387 | // which all used signals have data available, so go through all |
388 | // channels and use the lowest overall sample count of the segment | |
0c5fe73e | 389 | |
0c5fe73e SA |
390 | int64_t count = std::numeric_limits<int64_t>::max(); |
391 | bool no_signals_assigned = true; | |
392 | ||
a82325d1 | 393 | for (const decode::DecodeChannel& ch : channels_) |
0c5fe73e SA |
394 | if (ch.assigned_signal) { |
395 | no_signals_assigned = false; | |
396 | ||
397 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
398 | if (!logic_data || logic_data->logic_segments().empty()) | |
399 | return 0; | |
400 | ||
5ecf957f SA |
401 | try { |
402 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
403 | count = min(count, (int64_t)segment->get_sample_count()); | |
30677c13 | 404 | } catch (out_of_range&) { |
5ecf957f SA |
405 | return 0; |
406 | } | |
0c5fe73e SA |
407 | } |
408 | ||
409 | return (no_signals_assigned ? 0 : count); | |
410 | } | |
411 | ||
b82908ab SA |
412 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id, |
413 | bool include_processing) const | |
ff83d980 | 414 | { |
47747218 | 415 | lock_guard<mutex> decode_lock(output_mutex_); |
5ecf957f SA |
416 | |
417 | int64_t result = 0; | |
418 | ||
c8a6db0e SA |
419 | if (segment_id >= segments_.size()) |
420 | return result; | |
421 | ||
422 | if (include_processing) | |
423 | result = segments_[segment_id].samples_decoded_incl; | |
424 | else | |
425 | result = segments_[segment_id].samples_decoded_excl; | |
5ecf957f SA |
426 | |
427 | return result; | |
ff83d980 SA |
428 | } |
429 | ||
6a26fc44 | 430 | vector<Row*> DecodeSignal::get_rows(bool visible_only) |
ecd07c20 | 431 | { |
6a26fc44 | 432 | vector<Row*> rows; |
47747218 | 433 | |
6a26fc44 | 434 | for (const shared_ptr<Decoder>& dec : stack_) { |
47747218 | 435 | assert(dec); |
5d3ca591 | 436 | if (visible_only && !dec->visible()) |
cbb2e4da SA |
437 | continue; |
438 | ||
6a26fc44 SA |
439 | for (Row* row : dec->get_rows()) |
440 | rows.push_back(row); | |
441 | } | |
47747218 | 442 | |
6a26fc44 SA |
443 | return rows; |
444 | } | |
47747218 | 445 | |
6a26fc44 SA |
446 | vector<const Row*> DecodeSignal::get_rows(bool visible_only) const |
447 | { | |
448 | vector<const Row*> rows; | |
449 | ||
450 | for (const shared_ptr<Decoder>& dec : stack_) { | |
451 | assert(dec); | |
5d3ca591 | 452 | if (visible_only && !dec->visible()) |
6a26fc44 SA |
453 | continue; |
454 | ||
455 | for (const Row* row : dec->get_rows()) | |
456 | rows.push_back(row); | |
47747218 SA |
457 | } |
458 | ||
459 | return rows; | |
ecd07c20 SA |
460 | } |
461 | ||
6a26fc44 SA |
462 | |
463 | uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const | |
f994f496 SA |
464 | { |
465 | if (segment_id >= segments_.size()) | |
466 | return 0; | |
467 | ||
6a26fc44 | 468 | const DecodeSegment* segment = &(segments_.at(segment_id)); |
f994f496 | 469 | |
6a26fc44 | 470 | auto row_it = segment->annotation_rows.find(row); |
f994f496 | 471 | |
6a26fc44 | 472 | const RowData* rd; |
5a9146ac | 473 | if (row_it == segment->annotation_rows.end()) |
6a26fc44 | 474 | return 0; |
5a9146ac | 475 | else |
6a26fc44 SA |
476 | rd = &(row_it->second); |
477 | ||
478 | return rd->get_annotation_count(); | |
f994f496 SA |
479 | } |
480 | ||
5a9146ac | 481 | void DecodeSignal::get_annotation_subset(vector<const Annotation*> &dest, |
6a26fc44 | 482 | const Row* row, uint32_t segment_id, uint64_t start_sample, |
ecd07c20 SA |
483 | uint64_t end_sample) const |
484 | { | |
47747218 SA |
485 | lock_guard<mutex> lock(output_mutex_); |
486 | ||
c8a6db0e SA |
487 | if (segment_id >= segments_.size()) |
488 | return; | |
72435789 | 489 | |
6a26fc44 SA |
490 | const DecodeSegment* segment = &(segments_.at(segment_id)); |
491 | ||
492 | auto row_it = segment->annotation_rows.find(row); | |
c8a6db0e | 493 | |
6a26fc44 | 494 | const RowData* rd; |
5a9146ac | 495 | if (row_it == segment->annotation_rows.end()) |
6a26fc44 | 496 | return; |
5a9146ac | 497 | else |
6a26fc44 SA |
498 | rd = &(row_it->second); |
499 | ||
500 | rd->get_annotation_subset(dest, start_sample, end_sample); | |
47747218 SA |
501 | } |
502 | ||
5a9146ac | 503 | void DecodeSignal::get_annotation_subset(vector<const Annotation*> &dest, |
5a914348 SA |
504 | uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const |
505 | { | |
5a914348 | 506 | // Use forward_lists for faster merging |
5a9146ac | 507 | forward_list<const Annotation*> *all_ann_list = new forward_list<const Annotation*>(); |
5a914348 | 508 | |
6a26fc44 SA |
509 | vector<const Row*> rows = get_rows(); |
510 | for (const Row* row : rows) { | |
5a9146ac | 511 | vector<const Annotation*> *ann_vector = new vector<const Annotation*>(); |
5a914348 SA |
512 | get_annotation_subset(*ann_vector, row, segment_id, start_sample, end_sample); |
513 | ||
5a9146ac SA |
514 | forward_list<const Annotation*> *ann_list = |
515 | new forward_list<const Annotation*>(ann_vector->begin(), ann_vector->end()); | |
5a914348 SA |
516 | delete ann_vector; |
517 | ||
518 | all_ann_list->merge(*ann_list); | |
519 | delete ann_list; | |
520 | } | |
521 | ||
522 | move(all_ann_list->begin(), all_ann_list->end(), back_inserter(dest)); | |
523 | delete all_ann_list; | |
524 | } | |
525 | ||
e77de61f | 526 | uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id, |
ac9494ef | 527 | const Decoder* dec, uint32_t bin_class_id) const |
c0c3e62a | 528 | { |
c8a6db0e SA |
529 | if (segments_.size() == 0) |
530 | return 0; | |
531 | ||
c0c3e62a SA |
532 | try { |
533 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
534 | |
535 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
536 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
537 | return bc.chunks.size(); | |
c0c3e62a SA |
538 | } catch (out_of_range&) { |
539 | // Do nothing | |
540 | } | |
541 | ||
e77de61f | 542 | return 0; |
c0c3e62a SA |
543 | } |
544 | ||
e77de61f | 545 | void DecodeSignal::get_binary_data_chunk(uint32_t segment_id, |
ac9494ef | 546 | const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id, |
c0c3e62a SA |
547 | const vector<uint8_t> **dest, uint64_t *size) |
548 | { | |
549 | try { | |
550 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
551 | |
552 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
553 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) { | |
554 | if (dest) *dest = &(bc.chunks.at(chunk_id).data); | |
555 | if (size) *size = bc.chunks.at(chunk_id).data.size(); | |
556 | return; | |
557 | } | |
c0c3e62a SA |
558 | } catch (out_of_range&) { |
559 | // Do nothing | |
560 | } | |
561 | } | |
562 | ||
13b726cd | 563 | void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id, |
ac9494ef | 564 | const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample, |
e77de61f | 565 | uint64_t end_sample, vector<uint8_t> *dest) const |
c0c3e62a SA |
566 | { |
567 | assert(dest != nullptr); | |
568 | ||
569 | try { | |
570 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
571 | ||
e77de61f SA |
572 | const DecodeBinaryClass* bin_class = nullptr; |
573 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
574 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
575 | bin_class = &bc; | |
576 | ||
c0c3e62a SA |
577 | // Determine overall size before copying to resize dest vector only once |
578 | uint64_t size = 0; | |
163f3499 | 579 | uint64_t matches = 0; |
e77de61f SA |
580 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
581 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
582 | size += chunk.data.size(); | |
4b97fe09 SA |
583 | matches++; |
584 | } | |
585 | dest->resize(size); | |
c0c3e62a | 586 | |
163f3499 SA |
587 | uint64_t offset = 0; |
588 | uint64_t matches2 = 0; | |
e77de61f SA |
589 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
590 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
591 | memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size()); | |
592 | offset += chunk.data.size(); | |
163f3499 SA |
593 | matches2++; |
594 | ||
595 | // Make sure we don't overwrite memory if the array grew in the meanwhile | |
596 | if (matches2 == matches) | |
597 | break; | |
c0c3e62a SA |
598 | } |
599 | } catch (out_of_range&) { | |
600 | // Do nothing | |
601 | } | |
602 | } | |
603 | ||
13b726cd | 604 | void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id, |
6a26fc44 SA |
605 | const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end, |
606 | vector<uint8_t> *dest) const | |
13b726cd SA |
607 | { |
608 | assert(dest != nullptr); | |
609 | ||
610 | try { | |
611 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
612 | ||
613 | const DecodeBinaryClass* bin_class = nullptr; | |
614 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
615 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
616 | bin_class = &bc; | |
617 | ||
618 | // Determine overall size before copying to resize dest vector only once | |
619 | uint64_t size = 0; | |
620 | uint64_t offset = 0; | |
621 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
622 | if (offset >= start) | |
623 | size += chunk.data.size(); | |
624 | offset += chunk.data.size(); | |
625 | if (offset >= end) | |
626 | break; | |
627 | } | |
628 | dest->resize(size); | |
629 | ||
630 | offset = 0; | |
631 | uint64_t dest_offset = 0; | |
632 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
633 | if (offset >= start) { | |
634 | memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size()); | |
635 | dest_offset += chunk.data.size(); | |
636 | } | |
637 | offset += chunk.data.size(); | |
638 | if (offset >= end) | |
639 | break; | |
640 | } | |
641 | } catch (out_of_range&) { | |
642 | // Do nothing | |
643 | } | |
644 | } | |
645 | ||
628b45cc | 646 | const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id, |
6a26fc44 | 647 | const Decoder* dec, uint32_t bin_class_id) const |
628b45cc SA |
648 | { |
649 | try { | |
650 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
651 | ||
652 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
653 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
654 | return &bc; | |
655 | } catch (out_of_range&) { | |
656 | // Do nothing | |
657 | } | |
658 | ||
659 | return nullptr; | |
660 | } | |
c0c3e62a | 661 | |
47747218 SA |
662 | void DecodeSignal::save_settings(QSettings &settings) const |
663 | { | |
664 | SignalBase::save_settings(settings); | |
665 | ||
c8e60bdf SA |
666 | settings.setValue("decoders", (int)(stack_.size())); |
667 | ||
8b5ea5a1 | 668 | // Save decoder stack |
c8e60bdf | 669 | int decoder_idx = 0; |
6a26fc44 | 670 | for (const shared_ptr<Decoder>& decoder : stack_) { |
c8e60bdf SA |
671 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); |
672 | ||
6a26fc44 | 673 | settings.setValue("id", decoder->get_srd_decoder()->id); |
5d3ca591 | 674 | settings.setValue("visible", decoder->visible()); |
c8e60bdf | 675 | |
d3feec23 SA |
676 | // Save decoder options |
677 | const map<string, GVariant*>& options = decoder->options(); | |
678 | ||
679 | settings.setValue("options", (int)options.size()); | |
680 | ||
6a26fc44 | 681 | // Note: Decoder::options() returns only the options |
d3feec23 SA |
682 | // that differ from the default. See binding::Decoder::getter() |
683 | int i = 0; | |
f4ab4b5c | 684 | for (auto& option : options) { |
d3feec23 SA |
685 | settings.beginGroup("option" + QString::number(i)); |
686 | settings.setValue("name", QString::fromStdString(option.first)); | |
687 | GlobalSettings::store_gvariant(settings, option.second); | |
688 | settings.endGroup(); | |
689 | i++; | |
690 | } | |
691 | ||
c8e60bdf SA |
692 | settings.endGroup(); |
693 | } | |
694 | ||
8b5ea5a1 SA |
695 | // Save channel mapping |
696 | settings.setValue("channels", (int)channels_.size()); | |
697 | ||
698 | for (unsigned int channel_id = 0; channel_id < channels_.size(); channel_id++) { | |
699 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 700 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
701 | |
702 | if (channel == channels_.end()) { | |
703 | qDebug() << "ERROR: Gap in channel index:" << channel_id; | |
704 | continue; | |
705 | } | |
706 | ||
707 | settings.beginGroup("channel" + QString::number(channel_id)); | |
708 | ||
709 | settings.setValue("name", channel->name); // Useful for debugging | |
710 | settings.setValue("initial_pin_state", channel->initial_pin_state); | |
711 | ||
712 | if (channel->assigned_signal) | |
713 | settings.setValue("assigned_signal_name", channel->assigned_signal->name()); | |
714 | ||
715 | settings.endGroup(); | |
716 | } | |
47747218 SA |
717 | } |
718 | ||
719 | void DecodeSignal::restore_settings(QSettings &settings) | |
720 | { | |
721 | SignalBase::restore_settings(settings); | |
722 | ||
8b5ea5a1 | 723 | // Restore decoder stack |
c8e60bdf SA |
724 | GSList *dec_list = g_slist_copy((GSList*)srd_decoder_list()); |
725 | ||
726 | int decoders = settings.value("decoders").toInt(); | |
727 | ||
728 | for (int decoder_idx = 0; decoder_idx < decoders; decoder_idx++) { | |
729 | settings.beginGroup("decoder" + QString::number(decoder_idx)); | |
730 | ||
731 | QString id = settings.value("id").toString(); | |
732 | ||
733 | for (GSList *entry = dec_list; entry; entry = entry->next) { | |
734 | const srd_decoder *dec = (srd_decoder*)entry->data; | |
735 | if (!dec) | |
736 | continue; | |
737 | ||
738 | if (QString::fromUtf8(dec->id) == id) { | |
6a26fc44 | 739 | shared_ptr<Decoder> decoder = make_shared<Decoder>(dec); |
d3feec23 SA |
740 | |
741 | stack_.push_back(decoder); | |
5d3ca591 | 742 | decoder->set_visible(settings.value("visible", true).toBool()); |
d3feec23 SA |
743 | |
744 | // Restore decoder options that differ from their default | |
745 | int options = settings.value("options").toInt(); | |
746 | ||
747 | for (int i = 0; i < options; i++) { | |
748 | settings.beginGroup("option" + QString::number(i)); | |
749 | QString name = settings.value("name").toString(); | |
750 | GVariant *value = GlobalSettings::restore_gvariant(settings); | |
751 | decoder->set_option(name.toUtf8(), value); | |
752 | settings.endGroup(); | |
753 | } | |
c8e60bdf SA |
754 | |
755 | // Include the newly created decode channels in the channel lists | |
756 | update_channel_list(); | |
757 | break; | |
758 | } | |
759 | } | |
760 | ||
761 | settings.endGroup(); | |
4ca06ec3 | 762 | channels_updated(); |
c8e60bdf SA |
763 | } |
764 | ||
8b5ea5a1 SA |
765 | // Restore channel mapping |
766 | unsigned int channels = settings.value("channels").toInt(); | |
767 | ||
768 | const unordered_set< shared_ptr<data::SignalBase> > signalbases = | |
769 | session_.signalbases(); | |
770 | ||
771 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
772 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 773 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
774 | |
775 | if (channel == channels_.end()) { | |
776 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
777 | continue; | |
778 | } | |
779 | ||
780 | settings.beginGroup("channel" + QString::number(channel_id)); | |
781 | ||
782 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
783 | ||
f4ab4b5c | 784 | for (const shared_ptr<data::SignalBase>& signal : signalbases) |
8b5ea5a1 SA |
785 | if (signal->name() == assigned_signal_name) |
786 | channel->assigned_signal = signal.get(); | |
787 | ||
788 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
789 | ||
790 | settings.endGroup(); | |
791 | } | |
792 | ||
aa71890d | 793 | // Update the internal structures |
e3202557 | 794 | stack_config_changed_ = true; |
aa71890d SA |
795 | update_channel_list(); |
796 | commit_decoder_channels(); | |
797 | ||
8b5ea5a1 | 798 | begin_decode(); |
47747218 SA |
799 | } |
800 | ||
403c3e87 SA |
801 | void DecodeSignal::set_error_message(QString msg) |
802 | { | |
803 | error_message_ = msg; | |
fe060a48 SA |
804 | // TODO Emulate noquote() |
805 | qDebug().nospace() << name() << ": " << msg; | |
403c3e87 SA |
806 | } |
807 | ||
8a603e13 SA |
808 | uint32_t DecodeSignal::get_input_segment_count() const |
809 | { | |
810 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
811 | bool no_signals_assigned = true; | |
812 | ||
a82325d1 | 813 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
814 | if (ch.assigned_signal) { |
815 | no_signals_assigned = false; | |
816 | ||
817 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
818 | if (!logic_data || logic_data->logic_segments().empty()) | |
819 | return 0; | |
820 | ||
821 | // Find the min value of all segment counts | |
822 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
823 | count = logic_data->logic_segments().size(); | |
824 | } | |
825 | ||
826 | return (no_signals_assigned ? 0 : count); | |
827 | } | |
828 | ||
829 | uint32_t DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
830 | { | |
831 | double samplerate = 0; | |
832 | ||
a82325d1 | 833 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
834 | if (ch.assigned_signal) { |
835 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
836 | if (!logic_data || logic_data->logic_segments().empty()) | |
837 | continue; | |
838 | ||
839 | try { | |
840 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
841 | samplerate = segment->samplerate(); | |
30677c13 | 842 | } catch (out_of_range&) { |
8a603e13 SA |
843 | // Do nothing |
844 | } | |
845 | break; | |
846 | } | |
847 | ||
848 | return samplerate; | |
849 | } | |
850 | ||
6a26fc44 SA |
851 | Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec) |
852 | { | |
853 | for (shared_ptr<Decoder>& d : stack_) | |
854 | if (d->get_srd_decoder() == srd_dec) | |
855 | return d.get(); | |
856 | ||
857 | return nullptr; | |
858 | } | |
859 | ||
9f97b357 SA |
860 | void DecodeSignal::update_channel_list() |
861 | { | |
a82325d1 | 862 | vector<decode::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
863 | channels_.clear(); |
864 | ||
865 | uint16_t id = 0; | |
866 | ||
867 | // Copy existing entries, create new as needed | |
f4ab4b5c | 868 | for (shared_ptr<Decoder>& decoder : stack_) { |
6a26fc44 | 869 | const srd_decoder* srd_dec = decoder->get_srd_decoder(); |
9f97b357 SA |
870 | const GSList *l; |
871 | ||
872 | // Mandatory channels | |
6a26fc44 | 873 | for (l = srd_dec->channels; l; l = l->next) { |
9f97b357 SA |
874 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; |
875 | bool ch_added = false; | |
876 | ||
877 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 878 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
879 | if (ch.pdch_ == pdch) { |
880 | ch.id = id++; | |
881 | channels_.push_back(ch); | |
882 | ch_added = true; | |
883 | break; | |
884 | } | |
885 | ||
886 | if (!ch_added) { | |
887 | // Create new entry without a mapped signal | |
a82325d1 | 888 | decode::DecodeChannel ch = {id++, 0, false, nullptr, |
9f97b357 SA |
889 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
890 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
891 | channels_.push_back(ch); | |
892 | } | |
893 | } | |
894 | ||
895 | // Optional channels | |
6a26fc44 | 896 | for (l = srd_dec->opt_channels; l; l = l->next) { |
9f97b357 SA |
897 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; |
898 | bool ch_added = false; | |
899 | ||
900 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 901 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
902 | if (ch.pdch_ == pdch) { |
903 | ch.id = id++; | |
904 | channels_.push_back(ch); | |
905 | ch_added = true; | |
906 | break; | |
907 | } | |
908 | ||
909 | if (!ch_added) { | |
910 | // Create new entry without a mapped signal | |
a82325d1 | 911 | decode::DecodeChannel ch = {id++, 0, true, nullptr, |
9f97b357 SA |
912 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
913 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
914 | channels_.push_back(ch); | |
915 | } | |
916 | } | |
917 | } | |
918 | ||
47747218 SA |
919 | // Invalidate the logic output data if the channel assignment changed |
920 | if (prev_channels.size() != channels_.size()) { | |
921 | // The number of channels changed, there's definitely a difference | |
922 | logic_mux_data_invalid_ = true; | |
923 | } else { | |
924 | // Same number but assignment may still differ, so compare all channels | |
925 | for (size_t i = 0; i < channels_.size(); i++) { | |
a82325d1 SA |
926 | const decode::DecodeChannel& p_ch = prev_channels[i]; |
927 | const decode::DecodeChannel& ch = channels_[i]; | |
47747218 SA |
928 | |
929 | if ((p_ch.pdch_ != ch.pdch_) || | |
930 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
931 | logic_mux_data_invalid_ = true; | |
932 | break; | |
933 | } | |
934 | } | |
935 | ||
936 | } | |
937 | ||
9f97b357 SA |
938 | channels_updated(); |
939 | } | |
940 | ||
27a3f09b | 941 | void DecodeSignal::commit_decoder_channels() |
ad908057 | 942 | { |
27a3f09b | 943 | // Submit channel list to every decoder, containing only the relevant channels |
6a26fc44 | 944 | for (shared_ptr<Decoder> dec : stack_) { |
a82325d1 | 945 | vector<decode::DecodeChannel*> channel_list; |
27a3f09b | 946 | |
a82325d1 | 947 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
948 | if (ch.decoder_ == dec) |
949 | channel_list.push_back(&ch); | |
47747218 | 950 | |
27a3f09b SA |
951 | dec->set_channels(channel_list); |
952 | } | |
aa71890d SA |
953 | |
954 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
955 | int id = 0; | |
a82325d1 | 956 | for (decode::DecodeChannel& ch : channels_) |
aa71890d SA |
957 | if (ch.assigned_signal) |
958 | ch.bit_id = id++; | |
47747218 SA |
959 | } |
960 | ||
ed535cd7 | 961 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) |
47747218 | 962 | { |
27a3f09b SA |
963 | // Enforce end to be greater than start |
964 | if (end <= start) | |
965 | return; | |
966 | ||
ed535cd7 | 967 | // Fetch the channel segments and their data |
27a3f09b SA |
968 | vector<shared_ptr<LogicSegment> > segments; |
969 | vector<const uint8_t*> signal_data; | |
970 | vector<uint8_t> signal_in_bytepos; | |
971 | vector<uint8_t> signal_in_bitpos; | |
972 | ||
a82325d1 | 973 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
974 | if (ch.assigned_signal) { |
975 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
ed535cd7 SA |
976 | |
977 | shared_ptr<LogicSegment> segment; | |
978 | try { | |
979 | segment = logic_data->logic_segments().at(segment_id); | |
30677c13 | 980 | } catch (out_of_range&) { |
ed535cd7 SA |
981 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ |
982 | << "has no logic segment" << segment_id; | |
983 | return; | |
984 | } | |
27a3f09b | 985 | segments.push_back(segment); |
b82243f7 SA |
986 | |
987 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
988 | segment->get_samples(start, end, data); | |
989 | signal_data.push_back(data); | |
27a3f09b SA |
990 | |
991 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
992 | signal_in_bytepos.push_back(bitpos / 8); | |
993 | signal_in_bitpos.push_back(bitpos % 8); | |
994 | } | |
995 | ||
ed535cd7 SA |
996 | |
997 | shared_ptr<LogicSegment> output_segment; | |
998 | try { | |
999 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
30677c13 | 1000 | } catch (out_of_range&) { |
ed535cd7 SA |
1001 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ |
1002 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
1003 | << logic_mux_data_->logic_segments().size(); | |
1004 | return; | |
1005 | } | |
1006 | ||
27a3f09b | 1007 | // Perform the muxing of signal data into the output data |
8a603e13 | 1008 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; |
27a3f09b SA |
1009 | unsigned int signal_count = signal_data.size(); |
1010 | ||
3b5282a2 SA |
1011 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); |
1012 | sample_cnt++) { | |
1013 | ||
27a3f09b SA |
1014 | int bitpos = 0; |
1015 | uint8_t bytepos = 0; | |
1016 | ||
8a603e13 SA |
1017 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); |
1018 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
27a3f09b | 1019 | output[out_sample_pos + i] = 0; |
47747218 | 1020 | |
27a3f09b SA |
1021 | for (unsigned int i = 0; i < signal_count; i++) { |
1022 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
1023 | const uint8_t in_sample = 1 & | |
1024 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
47747218 | 1025 | |
27a3f09b SA |
1026 | const uint8_t out_sample = output[out_sample_pos + bytepos]; |
1027 | ||
1028 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
1029 | ||
1030 | bitpos++; | |
1031 | if (bitpos > 7) { | |
1032 | bitpos = 0; | |
1033 | bytepos++; | |
1034 | } | |
1035 | } | |
47747218 SA |
1036 | } |
1037 | ||
8a603e13 | 1038 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); |
27a3f09b SA |
1039 | delete[] output; |
1040 | ||
1041 | for (const uint8_t* data : signal_data) | |
1042 | delete[] data; | |
1043 | } | |
1044 | ||
1045 | void DecodeSignal::logic_mux_proc() | |
1046 | { | |
ed535cd7 SA |
1047 | uint32_t segment_id = 0; |
1048 | ||
8a603e13 SA |
1049 | assert(logic_mux_data_); |
1050 | ||
65efd025 SA |
1051 | // Create initial logic mux segment |
1052 | shared_ptr<LogicSegment> output_segment = | |
85a70280 SA |
1053 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1054 | logic_mux_unit_size_, 0); | |
65efd025 | 1055 | logic_mux_data_->push_segment(output_segment); |
8a603e13 SA |
1056 | |
1057 | output_segment->set_samplerate(get_input_samplerate(0)); | |
ed535cd7 | 1058 | |
27a3f09b | 1059 | do { |
ed535cd7 | 1060 | const uint64_t input_sample_count = get_working_sample_count(segment_id); |
8a603e13 | 1061 | const uint64_t output_sample_count = output_segment->get_sample_count(); |
27a3f09b SA |
1062 | |
1063 | const uint64_t samples_to_process = | |
1064 | (input_sample_count > output_sample_count) ? | |
1065 | (input_sample_count - output_sample_count) : 0; | |
1066 | ||
1067 | // Process the samples if necessary... | |
1068 | if (samples_to_process > 0) { | |
8a603e13 | 1069 | const uint64_t unit_size = output_segment->unit_size(); |
27a3f09b SA |
1070 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; |
1071 | ||
1072 | uint64_t processed_samples = 0; | |
1073 | do { | |
1074 | const uint64_t start_sample = output_sample_count + processed_samples; | |
1075 | const uint64_t sample_count = | |
1076 | min(samples_to_process - processed_samples, chunk_sample_count); | |
1077 | ||
ed535cd7 | 1078 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); |
27a3f09b SA |
1079 | processed_samples += sample_count; |
1080 | ||
1081 | // ...and process the newly muxed logic data | |
1082 | decode_input_cond_.notify_one(); | |
3b5282a2 | 1083 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); |
27a3f09b SA |
1084 | } |
1085 | ||
1ec191ed | 1086 | if (samples_to_process == 0) { |
ed535cd7 SA |
1087 | // TODO Optimize this by caching the input segment count and only |
1088 | // querying it when the cached value was reached | |
1089 | if (segment_id < get_input_segment_count() - 1) { | |
1090 | // Process next segment | |
1091 | segment_id++; | |
1092 | ||
65efd025 | 1093 | output_segment = |
85a70280 SA |
1094 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1095 | logic_mux_unit_size_, 0); | |
65efd025 | 1096 | logic_mux_data_->push_segment(output_segment); |
ba5f2186 | 1097 | |
8a603e13 SA |
1098 | output_segment->set_samplerate(get_input_samplerate(segment_id)); |
1099 | ||
ed535cd7 SA |
1100 | } else { |
1101 | // All segments have been processed | |
1102 | logic_mux_data_invalid_ = false; | |
1103 | ||
1104 | // Wait for more input | |
1105 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1106 | logic_mux_cond_.wait(logic_mux_lock); | |
1107 | } | |
27a3f09b | 1108 | } |
1ae18301 | 1109 | |
1ec191ed | 1110 | } while (!logic_mux_interrupt_); |
47747218 SA |
1111 | } |
1112 | ||
1113 | void DecodeSignal::decode_data( | |
8a603e13 SA |
1114 | const int64_t abs_start_samplenum, const int64_t sample_count, |
1115 | const shared_ptr<LogicSegment> input_segment) | |
47747218 | 1116 | { |
8a603e13 | 1117 | const int64_t unit_size = input_segment->unit_size(); |
27a3f09b | 1118 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; |
47747218 SA |
1119 | |
1120 | for (int64_t i = abs_start_samplenum; | |
1ae18301 SA |
1121 | error_message_.isEmpty() && !decode_interrupt_ && |
1122 | (i < (abs_start_samplenum + sample_count)); | |
47747218 SA |
1123 | i += chunk_sample_count) { |
1124 | ||
1125 | const int64_t chunk_end = min(i + chunk_sample_count, | |
1126 | abs_start_samplenum + sample_count); | |
1127 | ||
e06cf18d SA |
1128 | { |
1129 | lock_guard<mutex> lock(output_mutex_); | |
b82908ab SA |
1130 | // Update the sample count showing the samples including currently processed ones |
1131 | segments_.at(current_segment_id_).samples_decoded_incl = chunk_end; | |
e06cf18d SA |
1132 | } |
1133 | ||
b82243f7 SA |
1134 | int64_t data_size = (chunk_end - i) * unit_size; |
1135 | uint8_t* chunk = new uint8_t[data_size]; | |
8a603e13 | 1136 | input_segment->get_samples(i, chunk_end, chunk); |
47747218 | 1137 | |
e91883bb | 1138 | if (srd_session_send(srd_session_, i, chunk_end, chunk, |
1ae18301 | 1139 | data_size, unit_size) != SRD_OK) |
403c3e87 | 1140 | set_error_message(tr("Decoder reported an error")); |
a3ebd556 | 1141 | |
47747218 SA |
1142 | delete[] chunk; |
1143 | ||
b82908ab SA |
1144 | { |
1145 | lock_guard<mutex> lock(output_mutex_); | |
1146 | // Now that all samples are processed, the exclusive sample count catches up | |
1147 | segments_.at(current_segment_id_).samples_decoded_excl = chunk_end; | |
1148 | } | |
1149 | ||
1b56c646 SA |
1150 | // Notify the frontend that we processed some data and |
1151 | // possibly have new annotations as well | |
1152 | new_annotations(); | |
556259d2 SA |
1153 | |
1154 | if (decode_paused_) { | |
1155 | unique_lock<mutex> pause_wait_lock(decode_pause_mutex_); | |
1156 | decode_pause_cond_.wait(pause_wait_lock); | |
1157 | } | |
47747218 SA |
1158 | } |
1159 | } | |
1160 | ||
1161 | void DecodeSignal::decode_proc() | |
1162 | { | |
65efd025 SA |
1163 | current_segment_id_ = 0; |
1164 | ||
1165 | // If there is no input data available yet, wait until it is or we're interrupted | |
1166 | if (logic_mux_data_->logic_segments().size() == 0) { | |
1167 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1168 | decode_input_cond_.wait(input_wait_lock); | |
1169 | } | |
a3ebd556 SA |
1170 | |
1171 | if (decode_interrupt_) | |
1172 | return; | |
1173 | ||
8a603e13 | 1174 | shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front(); |
8a603e13 | 1175 | assert(input_segment); |
65efd025 SA |
1176 | |
1177 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
1178 | create_decode_segment(); | |
8a603e13 | 1179 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1180 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1181 | |
65efd025 SA |
1182 | start_srd_session(); |
1183 | ||
1184 | uint64_t sample_count = 0; | |
27a3f09b | 1185 | uint64_t abs_start_samplenum = 0; |
47747218 | 1186 | do { |
27a3f09b SA |
1187 | // Keep processing new samples until we exhaust the input data |
1188 | do { | |
767bf4e7 | 1189 | lock_guard<mutex> input_lock(input_mutex_); |
8a603e13 | 1190 | sample_count = input_segment->get_sample_count() - abs_start_samplenum; |
27a3f09b SA |
1191 | |
1192 | if (sample_count > 0) { | |
8a603e13 | 1193 | decode_data(abs_start_samplenum, sample_count, input_segment); |
27a3f09b SA |
1194 | abs_start_samplenum += sample_count; |
1195 | } | |
1b56c646 SA |
1196 | } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_); |
1197 | ||
8a603e13 SA |
1198 | if (error_message_.isEmpty() && !decode_interrupt_ && sample_count == 0) { |
1199 | if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) { | |
1200 | // Process next segment | |
1201 | current_segment_id_++; | |
1202 | ||
1203 | try { | |
1204 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
30677c13 | 1205 | } catch (out_of_range&) { |
8a603e13 SA |
1206 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ |
1207 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
1208 | << logic_mux_data_->logic_segments().size(); | |
1209 | return; | |
1210 | } | |
1211 | abs_start_samplenum = 0; | |
1212 | ||
65efd025 SA |
1213 | // Create the next segment and set its metadata |
1214 | create_decode_segment(); | |
8a603e13 | 1215 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1216 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1217 | |
90ca4cc8 SA |
1218 | // Reset decoder state but keep the decoder stack intact |
1219 | terminate_srd_session(); | |
8a603e13 SA |
1220 | } else { |
1221 | // All segments have been processed | |
1b56c646 | 1222 | decode_finished(); |
27a3f09b | 1223 | |
8a603e13 SA |
1224 | // Wait for new input data or an interrupt was requested |
1225 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1226 | decode_input_cond_.wait(input_wait_lock); | |
1227 | } | |
27a3f09b SA |
1228 | } |
1229 | } while (error_message_.isEmpty() && !decode_interrupt_); | |
ce0b6a40 GS |
1230 | |
1231 | // Potentially reap decoders when the application no longer is | |
1232 | // interested in their (pending) results. | |
1233 | if (decode_interrupt_) | |
1234 | terminate_srd_session(); | |
e91883bb SA |
1235 | } |
1236 | ||
1237 | void DecodeSignal::start_srd_session() | |
1238 | { | |
8ce0e732 SA |
1239 | // If there were stack changes, the session has been destroyed by now, so if |
1240 | // it hasn't been destroyed, we can just reset and re-use it | |
ce0b6a40 GS |
1241 | if (srd_session_) { |
1242 | // When a decoder stack was created before, re-use it | |
1243 | // for the next stream of input data, after terminating | |
1244 | // potentially still executing operations, and resetting | |
1245 | // internal state. Skip the rather expensive (teardown | |
1246 | // and) construction of another decoder stack. | |
1247 | ||
1248 | // TODO Reduce redundancy, use a common code path for | |
72486b78 | 1249 | // the meta/start sequence? |
ce0b6a40 | 1250 | terminate_srd_session(); |
72486b78 SA |
1251 | |
1252 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1253 | uint64_t samplerate = 0; |
7dd518b8 | 1254 | if (segments_.size() > 0) |
ba5b52e1 GS |
1255 | samplerate = segments_.at(current_segment_id_).samplerate; |
1256 | if (samplerate) | |
7dd518b8 | 1257 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1258 | g_variant_new_uint64(samplerate)); |
6a26fc44 | 1259 | for (const shared_ptr<Decoder>& dec : stack_) |
72486b78 | 1260 | dec->apply_all_options(); |
ce0b6a40 | 1261 | srd_session_start(srd_session_); |
72486b78 | 1262 | |
ce0b6a40 GS |
1263 | return; |
1264 | } | |
e91883bb | 1265 | |
a3ebd556 SA |
1266 | // Create the session |
1267 | srd_session_new(&srd_session_); | |
1268 | assert(srd_session_); | |
47747218 | 1269 | |
a3ebd556 SA |
1270 | // Create the decoders |
1271 | srd_decoder_inst *prev_di = nullptr; | |
6a26fc44 | 1272 | for (const shared_ptr<Decoder>& dec : stack_) { |
a3ebd556 | 1273 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); |
e91883bb | 1274 | |
a3ebd556 | 1275 | if (!di) { |
403c3e87 | 1276 | set_error_message(tr("Failed to create decoder instance")); |
a3ebd556 | 1277 | srd_session_destroy(srd_session_); |
c5f9553c | 1278 | srd_session_ = nullptr; |
a3ebd556 SA |
1279 | return; |
1280 | } | |
e91883bb | 1281 | |
a3ebd556 SA |
1282 | if (prev_di) |
1283 | srd_inst_stack(srd_session_, prev_di, di); | |
e91883bb | 1284 | |
a3ebd556 | 1285 | prev_di = di; |
e91883bb | 1286 | } |
a3ebd556 SA |
1287 | |
1288 | // Start the session | |
7dd518b8 SA |
1289 | if (segments_.size() > 0) |
1290 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1291 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
a3ebd556 SA |
1292 | |
1293 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1294 | DecodeSignal::annotation_callback, this); | |
1295 | ||
c0c3e62a SA |
1296 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY, |
1297 | DecodeSignal::binary_callback, this); | |
1298 | ||
a3ebd556 | 1299 | srd_session_start(srd_session_); |
e3202557 SA |
1300 | |
1301 | // We just recreated the srd session, so all stack changes are applied now | |
1302 | stack_config_changed_ = false; | |
e91883bb | 1303 | } |
47747218 | 1304 | |
ce0b6a40 GS |
1305 | void DecodeSignal::terminate_srd_session() |
1306 | { | |
1307 | // Call the "terminate and reset" routine for the decoder stack | |
1308 | // (if available). This does not harm those stacks which already | |
1309 | // have completed their operation, and reduces response time for | |
1310 | // those stacks which still are processing data while the | |
1311 | // application no longer wants them to. | |
72486b78 | 1312 | if (srd_session_) { |
ce0b6a40 | 1313 | srd_session_terminate_reset(srd_session_); |
72486b78 SA |
1314 | |
1315 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1316 | uint64_t samplerate = 0; |
7dd518b8 | 1317 | if (segments_.size() > 0) |
ba5b52e1 GS |
1318 | samplerate = segments_.at(current_segment_id_).samplerate; |
1319 | if (samplerate) | |
7dd518b8 | 1320 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1321 | g_variant_new_uint64(samplerate)); |
6a26fc44 | 1322 | for (const shared_ptr<Decoder>& dec : stack_) |
72486b78 SA |
1323 | dec->apply_all_options(); |
1324 | } | |
ce0b6a40 GS |
1325 | } |
1326 | ||
e91883bb SA |
1327 | void DecodeSignal::stop_srd_session() |
1328 | { | |
1329 | if (srd_session_) { | |
1330 | // Destroy the session | |
1331 | srd_session_destroy(srd_session_); | |
1332 | srd_session_ = nullptr; | |
8ce0e732 SA |
1333 | |
1334 | // Mark the decoder instances as non-existant since they were deleted | |
6a26fc44 | 1335 | for (const shared_ptr<Decoder>& dec : stack_) |
8ce0e732 | 1336 | dec->invalidate_decoder_inst(); |
e91883bb | 1337 | } |
47747218 SA |
1338 | } |
1339 | ||
a8a9222d SA |
1340 | void DecodeSignal::connect_input_notifiers() |
1341 | { | |
1342 | // Disconnect the notification slot from the previous set of signals | |
1b56c646 | 1343 | disconnect(this, SLOT(on_data_cleared())); |
a8a9222d SA |
1344 | disconnect(this, SLOT(on_data_received())); |
1345 | ||
1346 | // Connect the currently used signals to our slot | |
a82325d1 | 1347 | for (decode::DecodeChannel& ch : channels_) { |
a8a9222d SA |
1348 | if (!ch.assigned_signal) |
1349 | continue; | |
1350 | ||
1b56c646 SA |
1351 | const data::SignalBase *signal = ch.assigned_signal; |
1352 | connect(signal, SIGNAL(samples_cleared()), | |
1353 | this, SLOT(on_data_cleared())); | |
b10b58f4 | 1354 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), |
a8a9222d SA |
1355 | this, SLOT(on_data_received())); |
1356 | } | |
1357 | } | |
1358 | ||
65efd025 | 1359 | void DecodeSignal::create_decode_segment() |
4913560f | 1360 | { |
65efd025 SA |
1361 | // Create annotation segment |
1362 | segments_.emplace_back(DecodeSegment()); | |
72435789 | 1363 | |
65efd025 | 1364 | // Add annotation classes |
feda6c6b | 1365 | for (const shared_ptr<Decoder>& dec : stack_) |
6a26fc44 SA |
1366 | for (Row* row : dec->get_rows()) |
1367 | segments_.back().annotation_rows.emplace(row, RowData(row)); | |
e77de61f SA |
1368 | |
1369 | // Prepare our binary output classes | |
6a26fc44 | 1370 | for (const shared_ptr<Decoder>& dec : stack_) { |
ac9494ef | 1371 | uint32_t n = dec->get_binary_class_count(); |
e77de61f | 1372 | |
ac9494ef | 1373 | for (uint32_t i = 0; i < n; i++) |
e77de61f | 1374 | segments_.back().binary_classes.push_back( |
c8a6db0e | 1375 | {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()}); |
e77de61f | 1376 | } |
4913560f SA |
1377 | } |
1378 | ||
47747218 SA |
1379 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) |
1380 | { | |
1381 | assert(pdata); | |
b21501d6 | 1382 | assert(decode_signal); |
47747218 SA |
1383 | |
1384 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1385 | assert(ds); | |
1386 | ||
3b5282a2 SA |
1387 | if (ds->decode_interrupt_) |
1388 | return; | |
1389 | ||
47747218 SA |
1390 | lock_guard<mutex> lock(ds->output_mutex_); |
1391 | ||
c0c3e62a | 1392 | // Get the decoder and the annotation data |
47747218 SA |
1393 | assert(pdata->pdo); |
1394 | assert(pdata->pdo->di); | |
6a26fc44 SA |
1395 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; |
1396 | assert(srd_dec); | |
47747218 | 1397 | |
c0c3e62a | 1398 | const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data; |
1becee23 UH |
1399 | assert(pda); |
1400 | ||
c0c3e62a | 1401 | // Find the row |
6a26fc44 SA |
1402 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); |
1403 | assert(dec); | |
47747218 | 1404 | |
6a26fc44 | 1405 | AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class); |
4526de63 SA |
1406 | if (!ann_class) { |
1407 | qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" << | |
1408 | "with class ID" << pda->ann_class << "but there are only" << | |
1409 | dec->ann_classes().size() << "known classes"; | |
1410 | return; | |
1411 | } | |
6a26fc44 SA |
1412 | |
1413 | const Row* row = ann_class->row; | |
1414 | ||
1415 | if (!row) | |
1416 | row = dec->get_row_by_id(0); | |
47747218 SA |
1417 | |
1418 | // Add the annotation | |
6a26fc44 | 1419 | ds->segments_[ds->current_segment_id_].annotation_rows.at(row).emplace_annotation(pdata); |
47747218 SA |
1420 | } |
1421 | ||
c0c3e62a SA |
1422 | void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal) |
1423 | { | |
1424 | assert(pdata); | |
1425 | assert(decode_signal); | |
1426 | ||
1427 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1428 | assert(ds); | |
1429 | ||
1430 | if (ds->decode_interrupt_) | |
1431 | return; | |
1432 | ||
e77de61f SA |
1433 | // Get the decoder and the binary data |
1434 | assert(pdata->pdo); | |
1435 | assert(pdata->pdo->di); | |
6a26fc44 SA |
1436 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; |
1437 | assert(srd_dec); | |
e77de61f | 1438 | |
c0c3e62a SA |
1439 | const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data; |
1440 | assert(pdb); | |
1441 | ||
e77de61f | 1442 | // Find the matching DecodeBinaryClass |
c0c3e62a SA |
1443 | DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_)); |
1444 | ||
e77de61f SA |
1445 | DecodeBinaryClass* bin_class = nullptr; |
1446 | for (DecodeBinaryClass& bc : segment->binary_classes) | |
6a26fc44 SA |
1447 | if ((bc.decoder->get_srd_decoder() == srd_dec) && |
1448 | (bc.info->bin_class_id == (uint32_t)pdb->bin_class)) | |
e77de61f | 1449 | bin_class = &bc; |
c0c3e62a | 1450 | |
e77de61f SA |
1451 | if (!bin_class) { |
1452 | qWarning() << "Could not find valid DecodeBinaryClass in segment" << | |
1453 | ds->current_segment_id_ << "for binary class ID" << pdb->bin_class << | |
1454 | ", segment only knows" << segment->binary_classes.size() << "classes"; | |
1455 | return; | |
1456 | } | |
c0c3e62a | 1457 | |
e77de61f SA |
1458 | // Add the data chunk |
1459 | bin_class->chunks.emplace_back(); | |
1460 | DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back()); | |
1461 | ||
1462 | chunk->sample = pdata->start_sample; | |
1463 | chunk->data.resize(pdb->size); | |
1464 | memcpy(chunk->data.data(), pdb->data, pdb->size); | |
1465 | ||
6a26fc44 | 1466 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); |
b2b18d3a SA |
1467 | |
1468 | ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class); | |
c0c3e62a SA |
1469 | } |
1470 | ||
47747218 SA |
1471 | void DecodeSignal::on_capture_state_changed(int state) |
1472 | { | |
1473 | // If a new acquisition was started, we need to start decoding from scratch | |
ba5f2186 SA |
1474 | if (state == Session::Running) { |
1475 | logic_mux_data_invalid_ = true; | |
47747218 | 1476 | begin_decode(); |
ba5f2186 | 1477 | } |
47747218 SA |
1478 | } |
1479 | ||
1b56c646 SA |
1480 | void DecodeSignal::on_data_cleared() |
1481 | { | |
1482 | reset_decode(); | |
1483 | } | |
1484 | ||
47747218 SA |
1485 | void DecodeSignal::on_data_received() |
1486 | { | |
5620539c SA |
1487 | // If we detected a lack of input data when trying to start decoding, |
1488 | // we have set an error message. Only try again if we now have data | |
1489 | // to work with | |
1490 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1491 | return; | |
1492 | ||
1b56c646 SA |
1493 | if (!logic_mux_thread_.joinable()) |
1494 | begin_decode(); | |
1495 | else | |
1496 | logic_mux_cond_.notify_one(); | |
47747218 SA |
1497 | } |
1498 | ||
ad908057 SA |
1499 | } // namespace data |
1500 | } // namespace pv |