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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 | ||
47747218 | 36 | using std::lock_guard; |
ad908057 | 37 | using std::make_shared; |
0c5fe73e | 38 | using std::min; |
5ecf957f | 39 | using std::out_of_range; |
ad908057 | 40 | using std::shared_ptr; |
47747218 | 41 | using std::unique_lock; |
6a26fc44 | 42 | using pv::data::decode::AnnotationClass; |
a82325d1 | 43 | using pv::data::decode::DecodeChannel; |
ad908057 SA |
44 | |
45 | namespace pv { | |
46 | namespace data { | |
47 | ||
47747218 SA |
48 | const double DecodeSignal::DecodeMargin = 1.0; |
49 | const double DecodeSignal::DecodeThreshold = 0.2; | |
3fbddf7f | 50 | const int64_t DecodeSignal::DecodeChunkLength = 256 * 1024; |
ad908057 | 51 | |
ad908057 | 52 | |
47747218 SA |
53 | DecodeSignal::DecodeSignal(pv::Session &session) : |
54 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
55 | session_(session), | |
e91883bb | 56 | srd_session_(nullptr), |
47747218 | 57 | logic_mux_data_invalid_(false), |
e3202557 | 58 | stack_config_changed_(true), |
8a603e13 | 59 | current_segment_id_(0) |
ad908057 | 60 | { |
47747218 SA |
61 | connect(&session_, SIGNAL(capture_state_changed(int)), |
62 | this, SLOT(on_capture_state_changed(int))); | |
ad908057 SA |
63 | } |
64 | ||
47747218 | 65 | DecodeSignal::~DecodeSignal() |
ad908057 | 66 | { |
8ce0e732 | 67 | reset_decode(true); |
ad908057 SA |
68 | } |
69 | ||
47747218 | 70 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const |
ecd07c20 | 71 | { |
47747218 | 72 | return stack_; |
ecd07c20 SA |
73 | } |
74 | ||
ed75426f | 75 | void DecodeSignal::stack_decoder(const srd_decoder *decoder, bool restart_decode) |
ad908057 SA |
76 | { |
77 | assert(decoder); | |
762ab7a4 | 78 | |
b9591f3a | 79 | // Set name if this decoder is the first in the list or the name is unchanged |
6a26fc44 SA |
80 | const srd_decoder* prev_dec = stack_.empty() ? nullptr : stack_.back()->get_srd_decoder(); |
81 | const QString prev_dec_name = prev_dec ? QString::fromUtf8(prev_dec->name) : QString(); | |
47747218 | 82 | |
b9591f3a | 83 | if ((stack_.empty()) || ((stack_.size() > 0) && (name() == prev_dec_name))) |
47747218 | 84 | set_name(QString::fromUtf8(decoder->name)); |
132a5c6d | 85 | |
6a26fc44 | 86 | const shared_ptr<Decoder> dec = make_shared<Decoder>(decoder); |
b9591f3a SA |
87 | stack_.push_back(dec); |
88 | ||
27a3f09b | 89 | // Include the newly created decode channels in the channel lists |
9f97b357 | 90 | update_channel_list(); |
132a5c6d | 91 | |
e3202557 | 92 | stack_config_changed_ = true; |
762ab7a4 | 93 | auto_assign_signals(dec); |
27a3f09b | 94 | commit_decoder_channels(); |
e77de61f SA |
95 | |
96 | decoder_stacked((void*)dec.get()); | |
97 | ||
ed75426f SA |
98 | if (restart_decode) |
99 | begin_decode(); | |
ad908057 SA |
100 | } |
101 | ||
102 | void DecodeSignal::remove_decoder(int index) | |
103 | { | |
47747218 SA |
104 | assert(index >= 0); |
105 | assert(index < (int)stack_.size()); | |
106 | ||
107 | // Find the decoder in the stack | |
108 | auto iter = stack_.begin(); | |
109 | for (int i = 0; i < index; i++, iter++) | |
110 | assert(iter != stack_.end()); | |
111 | ||
e77de61f SA |
112 | decoder_removed(iter->get()); |
113 | ||
47747218 SA |
114 | // Delete the element |
115 | stack_.erase(iter); | |
116 | ||
117 | // Update channels and decoded data | |
e3202557 | 118 | stack_config_changed_ = true; |
9f97b357 | 119 | update_channel_list(); |
47747218 | 120 | begin_decode(); |
ad908057 SA |
121 | } |
122 | ||
123 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
124 | { | |
47747218 | 125 | auto iter = stack_.cbegin(); |
ad908057 | 126 | for (int i = 0; i < index; i++, iter++) |
47747218 | 127 | assert(iter != stack_.end()); |
ad908057 SA |
128 | |
129 | shared_ptr<Decoder> dec = *iter; | |
130 | ||
131 | // Toggle decoder visibility | |
132 | bool state = false; | |
133 | if (dec) { | |
5d3ca591 SA |
134 | state = !dec->visible(); |
135 | dec->set_visible(state); | |
ad908057 SA |
136 | } |
137 | ||
138 | return state; | |
139 | } | |
140 | ||
8ce0e732 | 141 | void DecodeSignal::reset_decode(bool shutting_down) |
47747218 | 142 | { |
8b24af15 SA |
143 | resume_decode(); // Make sure the decode thread isn't blocked by pausing |
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 | ||
8a603e13 | 162 | current_segment_id_ = 0; |
72435789 | 163 | segments_.clear(); |
1b56c646 SA |
164 | |
165 | logic_mux_data_.reset(); | |
166 | logic_mux_data_invalid_ = true; | |
eee3eab9 | 167 | |
403c3e87 SA |
168 | if (!error_message_.isEmpty()) { |
169 | error_message_ = QString(); | |
fe060a48 SA |
170 | // TODO Emulate noquote() |
171 | qDebug().nospace() << name() << ": Error cleared"; | |
403c3e87 | 172 | } |
72435789 | 173 | |
eee3eab9 | 174 | decode_reset(); |
47747218 SA |
175 | } |
176 | ||
946b52e1 SA |
177 | void DecodeSignal::begin_decode() |
178 | { | |
47747218 SA |
179 | if (decode_thread_.joinable()) { |
180 | decode_interrupt_ = true; | |
181 | decode_input_cond_.notify_one(); | |
182 | decode_thread_.join(); | |
183 | } | |
184 | ||
185 | if (logic_mux_thread_.joinable()) { | |
186 | logic_mux_interrupt_ = true; | |
187 | logic_mux_cond_.notify_one(); | |
188 | logic_mux_thread_.join(); | |
189 | } | |
190 | ||
191 | reset_decode(); | |
192 | ||
27a3f09b | 193 | if (stack_.size() == 0) { |
403c3e87 | 194 | set_error_message(tr("No decoders")); |
27a3f09b SA |
195 | return; |
196 | } | |
197 | ||
198 | assert(channels_.size() > 0); | |
199 | ||
200 | if (get_assigned_signal_count() == 0) { | |
403c3e87 | 201 | set_error_message(tr("There are no channels assigned to this decoder")); |
27a3f09b SA |
202 | return; |
203 | } | |
204 | ||
04627946 SA |
205 | // Make sure that all assigned channels still provide logic data |
206 | // (can happen when a converted signal was assigned but the | |
207 | // conversion removed in the meanwhile) | |
a82325d1 | 208 | for (decode::DecodeChannel& ch : channels_) |
04627946 SA |
209 | if (ch.assigned_signal && !(ch.assigned_signal->logic_data() != nullptr)) |
210 | ch.assigned_signal = nullptr; | |
211 | ||
47747218 | 212 | // Check that all decoders have the required channels |
6a26fc44 | 213 | for (const shared_ptr<Decoder>& dec : stack_) |
47747218 | 214 | if (!dec->have_required_channels()) { |
403c3e87 SA |
215 | set_error_message(tr("One or more required channels " |
216 | "have not been specified")); | |
47747218 SA |
217 | return; |
218 | } | |
219 | ||
27a3f09b SA |
220 | // Free the logic data and its segment(s) if it needs to be updated |
221 | if (logic_mux_data_invalid_) | |
222 | logic_mux_data_.reset(); | |
223 | ||
224 | if (!logic_mux_data_) { | |
72435789 | 225 | const uint32_t ch_count = get_assigned_signal_count(); |
ed535cd7 | 226 | logic_mux_unit_size_ = (ch_count + 7) / 8; |
27a3f09b | 227 | logic_mux_data_ = make_shared<Logic>(ch_count); |
27a3f09b | 228 | } |
47747218 | 229 | |
ed535cd7 SA |
230 | // Receive notifications when new sample data is available |
231 | connect_input_notifiers(); | |
232 | ||
8a603e13 | 233 | if (get_input_segment_count() == 0) { |
403c3e87 | 234 | set_error_message(tr("No input data")); |
ed535cd7 SA |
235 | return; |
236 | } | |
237 | ||
27a3f09b SA |
238 | // Make sure the logic output data is complete and up-to-date |
239 | logic_mux_interrupt_ = false; | |
240 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
241 | ||
242 | // Decode the muxed logic data | |
47747218 SA |
243 | decode_interrupt_ = false; |
244 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
245 | } |
246 | ||
556259d2 SA |
247 | void DecodeSignal::pause_decode() |
248 | { | |
249 | decode_paused_ = true; | |
250 | } | |
251 | ||
252 | void DecodeSignal::resume_decode() | |
253 | { | |
254 | // Manual unlocking is done before notifying, to avoid waking up the | |
255 | // waiting thread only to block again (see notify_one for details) | |
256 | decode_pause_mutex_.unlock(); | |
257 | decode_pause_cond_.notify_one(); | |
258 | decode_paused_ = false; | |
259 | } | |
260 | ||
261 | bool DecodeSignal::is_paused() const | |
262 | { | |
263 | return decode_paused_; | |
264 | } | |
265 | ||
ecd07c20 SA |
266 | QString DecodeSignal::error_message() const |
267 | { | |
47747218 SA |
268 | lock_guard<mutex> lock(output_mutex_); |
269 | return error_message_; | |
ecd07c20 SA |
270 | } |
271 | ||
a82325d1 | 272 | const vector<decode::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
273 | { |
274 | return channels_; | |
275 | } | |
276 | ||
762ab7a4 | 277 | void DecodeSignal::auto_assign_signals(const shared_ptr<Decoder> dec) |
132a5c6d | 278 | { |
47747218 SA |
279 | bool new_assignment = false; |
280 | ||
132a5c6d | 281 | // Try to auto-select channels that don't have signals assigned yet |
a82325d1 | 282 | for (decode::DecodeChannel& ch : channels_) { |
762ab7a4 SA |
283 | // If a decoder is given, auto-assign only its channels |
284 | if (dec && (ch.decoder_ != dec)) | |
285 | continue; | |
286 | ||
132a5c6d SA |
287 | if (ch.assigned_signal) |
288 | continue; | |
289 | ||
c526a8fd SA |
290 | QString ch_name = ch.name.toLower(); |
291 | ch_name = ch_name.replace(QRegExp("[-_.]"), " "); | |
a8030bb0 SA |
292 | |
293 | shared_ptr<data::SignalBase> match; | |
f4ab4b5c | 294 | for (const shared_ptr<data::SignalBase>& s : session_.signalbases()) { |
f9ebf303 SA |
295 | if (!s->enabled()) |
296 | continue; | |
297 | ||
c526a8fd SA |
298 | QString s_name = s->name().toLower(); |
299 | s_name = s_name.replace(QRegExp("[-_.]"), " "); | |
692f6093 SA |
300 | |
301 | if (s->logic_data() && | |
302 | ((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) { | |
a8030bb0 SA |
303 | if (!match) |
304 | match = s; | |
305 | else { | |
306 | // Only replace an existing match if it matches more characters | |
307 | int old_unmatched = ch_name.length() - match->name().length(); | |
308 | int new_unmatched = ch_name.length() - s->name().length(); | |
309 | if (abs(new_unmatched) < abs(old_unmatched)) | |
310 | match = s; | |
311 | } | |
47747218 | 312 | } |
692f6093 | 313 | } |
a8030bb0 SA |
314 | |
315 | if (match) { | |
316 | ch.assigned_signal = match.get(); | |
317 | new_assignment = true; | |
318 | } | |
47747218 SA |
319 | } |
320 | ||
321 | if (new_assignment) { | |
322 | logic_mux_data_invalid_ = true; | |
e3202557 | 323 | stack_config_changed_ = true; |
27a3f09b | 324 | commit_decoder_channels(); |
47747218 | 325 | channels_updated(); |
132a5c6d SA |
326 | } |
327 | } | |
328 | ||
9f97b357 SA |
329 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
330 | { | |
a82325d1 | 331 | for (decode::DecodeChannel& ch : channels_) |
47747218 | 332 | if (ch.id == channel_id) { |
9f97b357 | 333 | ch.assigned_signal = signal; |
47747218 SA |
334 | logic_mux_data_invalid_ = true; |
335 | } | |
9f97b357 | 336 | |
e3202557 | 337 | stack_config_changed_ = true; |
27a3f09b | 338 | commit_decoder_channels(); |
9f97b357 | 339 | channels_updated(); |
47747218 | 340 | begin_decode(); |
9f97b357 SA |
341 | } |
342 | ||
27a3f09b SA |
343 | int DecodeSignal::get_assigned_signal_count() const |
344 | { | |
345 | // Count all channels that have a signal assigned to them | |
346 | return count_if(channels_.begin(), channels_.end(), | |
a82325d1 | 347 | [](decode::DecodeChannel ch) { return ch.assigned_signal; }); |
27a3f09b SA |
348 | } |
349 | ||
9f97b357 SA |
350 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) |
351 | { | |
a82325d1 | 352 | for (decode::DecodeChannel& ch : channels_) |
9f97b357 SA |
353 | if (ch.id == channel_id) |
354 | ch.initial_pin_state = init_state; | |
355 | ||
e3202557 | 356 | stack_config_changed_ = true; |
9f97b357 | 357 | channels_updated(); |
47747218 | 358 | begin_decode(); |
9f97b357 SA |
359 | } |
360 | ||
ff83d980 SA |
361 | double DecodeSignal::samplerate() const |
362 | { | |
72435789 SA |
363 | double result = 0; |
364 | ||
365 | // TODO For now, we simply return the first samplerate that we have | |
8a603e13 SA |
366 | if (segments_.size() > 0) |
367 | result = segments_.front().samplerate; | |
72435789 SA |
368 | |
369 | return result; | |
ff83d980 SA |
370 | } |
371 | ||
72435789 | 372 | const pv::util::Timestamp DecodeSignal::start_time() const |
ff83d980 | 373 | { |
72435789 SA |
374 | pv::util::Timestamp result; |
375 | ||
376 | // TODO For now, we simply return the first start time that we have | |
8a603e13 SA |
377 | if (segments_.size() > 0) |
378 | result = segments_.front().start_time; | |
72435789 SA |
379 | |
380 | return result; | |
ff83d980 SA |
381 | } |
382 | ||
5ecf957f | 383 | int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const |
0c5fe73e SA |
384 | { |
385 | // The working sample count is the highest sample number for | |
ed535cd7 SA |
386 | // which all used signals have data available, so go through all |
387 | // channels and use the lowest overall sample count of the segment | |
0c5fe73e | 388 | |
0c5fe73e SA |
389 | int64_t count = std::numeric_limits<int64_t>::max(); |
390 | bool no_signals_assigned = true; | |
391 | ||
a82325d1 | 392 | for (const decode::DecodeChannel& ch : channels_) |
0c5fe73e SA |
393 | if (ch.assigned_signal) { |
394 | no_signals_assigned = false; | |
395 | ||
396 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
397 | if (!logic_data || logic_data->logic_segments().empty()) | |
398 | return 0; | |
399 | ||
5ecf957f SA |
400 | try { |
401 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
402 | count = min(count, (int64_t)segment->get_sample_count()); | |
30677c13 | 403 | } catch (out_of_range&) { |
5ecf957f SA |
404 | return 0; |
405 | } | |
0c5fe73e SA |
406 | } |
407 | ||
408 | return (no_signals_assigned ? 0 : count); | |
409 | } | |
410 | ||
b82908ab SA |
411 | int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id, |
412 | bool include_processing) const | |
ff83d980 | 413 | { |
47747218 | 414 | lock_guard<mutex> decode_lock(output_mutex_); |
5ecf957f SA |
415 | |
416 | int64_t result = 0; | |
417 | ||
c8a6db0e SA |
418 | if (segment_id >= segments_.size()) |
419 | return result; | |
420 | ||
421 | if (include_processing) | |
422 | result = segments_[segment_id].samples_decoded_incl; | |
423 | else | |
424 | result = segments_[segment_id].samples_decoded_excl; | |
5ecf957f SA |
425 | |
426 | return result; | |
ff83d980 SA |
427 | } |
428 | ||
6a26fc44 | 429 | vector<Row*> DecodeSignal::get_rows(bool visible_only) |
ecd07c20 | 430 | { |
6a26fc44 | 431 | vector<Row*> rows; |
47747218 | 432 | |
6a26fc44 | 433 | for (const shared_ptr<Decoder>& dec : stack_) { |
47747218 | 434 | assert(dec); |
5d3ca591 | 435 | if (visible_only && !dec->visible()) |
cbb2e4da SA |
436 | continue; |
437 | ||
6a26fc44 SA |
438 | for (Row* row : dec->get_rows()) |
439 | rows.push_back(row); | |
440 | } | |
47747218 | 441 | |
6a26fc44 SA |
442 | return rows; |
443 | } | |
47747218 | 444 | |
6a26fc44 SA |
445 | vector<const Row*> DecodeSignal::get_rows(bool visible_only) const |
446 | { | |
447 | vector<const Row*> rows; | |
448 | ||
449 | for (const shared_ptr<Decoder>& dec : stack_) { | |
450 | assert(dec); | |
5d3ca591 | 451 | if (visible_only && !dec->visible()) |
6a26fc44 SA |
452 | continue; |
453 | ||
454 | for (const Row* row : dec->get_rows()) | |
455 | rows.push_back(row); | |
47747218 SA |
456 | } |
457 | ||
458 | return rows; | |
ecd07c20 SA |
459 | } |
460 | ||
6a26fc44 SA |
461 | |
462 | uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id) const | |
f994f496 SA |
463 | { |
464 | if (segment_id >= segments_.size()) | |
465 | return 0; | |
466 | ||
6a26fc44 | 467 | const DecodeSegment* segment = &(segments_.at(segment_id)); |
f994f496 | 468 | |
6a26fc44 | 469 | auto row_it = segment->annotation_rows.find(row); |
f994f496 | 470 | |
6a26fc44 | 471 | const RowData* rd; |
5a9146ac | 472 | if (row_it == segment->annotation_rows.end()) |
6a26fc44 | 473 | return 0; |
5a9146ac | 474 | else |
6a26fc44 SA |
475 | rd = &(row_it->second); |
476 | ||
477 | return rd->get_annotation_count(); | |
f994f496 SA |
478 | } |
479 | ||
462941e2 | 480 | void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest, |
6a26fc44 | 481 | const Row* row, uint32_t segment_id, uint64_t start_sample, |
ecd07c20 SA |
482 | uint64_t end_sample) const |
483 | { | |
47747218 SA |
484 | lock_guard<mutex> lock(output_mutex_); |
485 | ||
c8a6db0e SA |
486 | if (segment_id >= segments_.size()) |
487 | return; | |
72435789 | 488 | |
6a26fc44 SA |
489 | const DecodeSegment* segment = &(segments_.at(segment_id)); |
490 | ||
491 | auto row_it = segment->annotation_rows.find(row); | |
c8a6db0e | 492 | |
6a26fc44 | 493 | const RowData* rd; |
5a9146ac | 494 | if (row_it == segment->annotation_rows.end()) |
6a26fc44 | 495 | return; |
5a9146ac | 496 | else |
6a26fc44 SA |
497 | rd = &(row_it->second); |
498 | ||
499 | rd->get_annotation_subset(dest, start_sample, end_sample); | |
47747218 SA |
500 | } |
501 | ||
462941e2 | 502 | void DecodeSignal::get_annotation_subset(deque<const Annotation*> &dest, |
5a914348 SA |
503 | uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const |
504 | { | |
462941e2 SA |
505 | for (const Row* row : get_rows()) |
506 | get_annotation_subset(dest, row, segment_id, start_sample, end_sample); | |
5a914348 SA |
507 | } |
508 | ||
e77de61f | 509 | uint32_t DecodeSignal::get_binary_data_chunk_count(uint32_t segment_id, |
ac9494ef | 510 | const Decoder* dec, uint32_t bin_class_id) const |
c0c3e62a | 511 | { |
c8a6db0e SA |
512 | if (segments_.size() == 0) |
513 | return 0; | |
514 | ||
c0c3e62a SA |
515 | try { |
516 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
e77de61f SA |
517 | |
518 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
519 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
520 | return bc.chunks.size(); | |
c0c3e62a SA |
521 | } catch (out_of_range&) { |
522 | // Do nothing | |
523 | } | |
524 | ||
e77de61f | 525 | return 0; |
c0c3e62a SA |
526 | } |
527 | ||
e77de61f | 528 | void DecodeSignal::get_binary_data_chunk(uint32_t segment_id, |
ac9494ef | 529 | const Decoder* dec, uint32_t bin_class_id, uint32_t chunk_id, |
c0c3e62a SA |
530 | const vector<uint8_t> **dest, uint64_t *size) |
531 | { | |
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 | if (dest) *dest = &(bc.chunks.at(chunk_id).data); | |
538 | if (size) *size = bc.chunks.at(chunk_id).data.size(); | |
539 | return; | |
540 | } | |
c0c3e62a SA |
541 | } catch (out_of_range&) { |
542 | // Do nothing | |
543 | } | |
544 | } | |
545 | ||
13b726cd | 546 | void DecodeSignal::get_merged_binary_data_chunks_by_sample(uint32_t segment_id, |
ac9494ef | 547 | const Decoder* dec, uint32_t bin_class_id, uint64_t start_sample, |
e77de61f | 548 | uint64_t end_sample, vector<uint8_t> *dest) const |
c0c3e62a SA |
549 | { |
550 | assert(dest != nullptr); | |
551 | ||
552 | try { | |
553 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
554 | ||
e77de61f SA |
555 | const DecodeBinaryClass* bin_class = nullptr; |
556 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
557 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
558 | bin_class = &bc; | |
559 | ||
c0c3e62a SA |
560 | // Determine overall size before copying to resize dest vector only once |
561 | uint64_t size = 0; | |
163f3499 | 562 | uint64_t matches = 0; |
e77de61f SA |
563 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
564 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
565 | size += chunk.data.size(); | |
4b97fe09 SA |
566 | matches++; |
567 | } | |
568 | dest->resize(size); | |
c0c3e62a | 569 | |
163f3499 SA |
570 | uint64_t offset = 0; |
571 | uint64_t matches2 = 0; | |
e77de61f SA |
572 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) |
573 | if ((chunk.sample >= start_sample) && (chunk.sample < end_sample)) { | |
574 | memcpy(dest->data() + offset, chunk.data.data(), chunk.data.size()); | |
575 | offset += chunk.data.size(); | |
163f3499 SA |
576 | matches2++; |
577 | ||
578 | // Make sure we don't overwrite memory if the array grew in the meanwhile | |
579 | if (matches2 == matches) | |
580 | break; | |
c0c3e62a SA |
581 | } |
582 | } catch (out_of_range&) { | |
583 | // Do nothing | |
584 | } | |
585 | } | |
586 | ||
13b726cd | 587 | void DecodeSignal::get_merged_binary_data_chunks_by_offset(uint32_t segment_id, |
6a26fc44 SA |
588 | const Decoder* dec, uint32_t bin_class_id, uint64_t start, uint64_t end, |
589 | vector<uint8_t> *dest) const | |
13b726cd SA |
590 | { |
591 | assert(dest != nullptr); | |
592 | ||
593 | try { | |
594 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
595 | ||
596 | const DecodeBinaryClass* bin_class = nullptr; | |
597 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
598 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
599 | bin_class = &bc; | |
600 | ||
601 | // Determine overall size before copying to resize dest vector only once | |
602 | uint64_t size = 0; | |
603 | uint64_t offset = 0; | |
604 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
605 | if (offset >= start) | |
606 | size += chunk.data.size(); | |
607 | offset += chunk.data.size(); | |
608 | if (offset >= end) | |
609 | break; | |
610 | } | |
611 | dest->resize(size); | |
612 | ||
613 | offset = 0; | |
614 | uint64_t dest_offset = 0; | |
615 | for (const DecodeBinaryDataChunk& chunk : bin_class->chunks) { | |
616 | if (offset >= start) { | |
617 | memcpy(dest->data() + dest_offset, chunk.data.data(), chunk.data.size()); | |
618 | dest_offset += chunk.data.size(); | |
619 | } | |
620 | offset += chunk.data.size(); | |
621 | if (offset >= end) | |
622 | break; | |
623 | } | |
624 | } catch (out_of_range&) { | |
625 | // Do nothing | |
626 | } | |
627 | } | |
628 | ||
628b45cc | 629 | const DecodeBinaryClass* DecodeSignal::get_binary_data_class(uint32_t segment_id, |
6a26fc44 | 630 | const Decoder* dec, uint32_t bin_class_id) const |
628b45cc SA |
631 | { |
632 | try { | |
633 | const DecodeSegment *segment = &(segments_.at(segment_id)); | |
634 | ||
635 | for (const DecodeBinaryClass& bc : segment->binary_classes) | |
636 | if ((bc.decoder == dec) && (bc.info->bin_class_id == bin_class_id)) | |
637 | return &bc; | |
638 | } catch (out_of_range&) { | |
639 | // Do nothing | |
640 | } | |
641 | ||
642 | return nullptr; | |
643 | } | |
c0c3e62a | 644 | |
47747218 SA |
645 | void DecodeSignal::save_settings(QSettings &settings) const |
646 | { | |
647 | SignalBase::save_settings(settings); | |
648 | ||
c8e60bdf SA |
649 | settings.setValue("decoders", (int)(stack_.size())); |
650 | ||
8b5ea5a1 | 651 | // Save decoder stack |
c8e60bdf | 652 | int decoder_idx = 0; |
6a26fc44 | 653 | for (const shared_ptr<Decoder>& decoder : stack_) { |
c8e60bdf SA |
654 | settings.beginGroup("decoder" + QString::number(decoder_idx++)); |
655 | ||
6a26fc44 | 656 | settings.setValue("id", decoder->get_srd_decoder()->id); |
5d3ca591 | 657 | settings.setValue("visible", decoder->visible()); |
c8e60bdf | 658 | |
d3feec23 SA |
659 | // Save decoder options |
660 | const map<string, GVariant*>& options = decoder->options(); | |
661 | ||
662 | settings.setValue("options", (int)options.size()); | |
663 | ||
6a26fc44 | 664 | // Note: Decoder::options() returns only the options |
d3feec23 SA |
665 | // that differ from the default. See binding::Decoder::getter() |
666 | int i = 0; | |
f4ab4b5c | 667 | for (auto& option : options) { |
d3feec23 SA |
668 | settings.beginGroup("option" + QString::number(i)); |
669 | settings.setValue("name", QString::fromStdString(option.first)); | |
670 | GlobalSettings::store_gvariant(settings, option.second); | |
671 | settings.endGroup(); | |
672 | i++; | |
673 | } | |
674 | ||
e4cb8bcf SA |
675 | // Save row properties |
676 | i = 0; | |
677 | for (const Row* row : decoder->get_rows()) { | |
678 | settings.beginGroup("row" + QString::number(i)); | |
679 | settings.setValue("visible", row->visible()); | |
680 | settings.endGroup(); | |
681 | i++; | |
682 | } | |
683 | ||
684 | // Save class properties | |
685 | i = 0; | |
686 | for (const AnnotationClass* ann_class : decoder->ann_classes()) { | |
687 | settings.beginGroup("ann_class" + QString::number(i)); | |
688 | settings.setValue("visible", ann_class->visible); | |
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(); | |
e4cb8bcf SA |
758 | |
759 | // Restore row properties | |
760 | int i = 0; | |
761 | for (Row* row : decoder->get_rows()) { | |
762 | settings.beginGroup("row" + QString::number(i)); | |
763 | row->set_visible(settings.value("visible", true).toBool()); | |
764 | settings.endGroup(); | |
765 | i++; | |
766 | } | |
767 | ||
768 | // Restore class properties | |
769 | i = 0; | |
770 | for (AnnotationClass* ann_class : decoder->ann_classes()) { | |
771 | settings.beginGroup("ann_class" + QString::number(i)); | |
772 | ann_class->visible = settings.value("visible", true).toBool(); | |
773 | settings.endGroup(); | |
774 | i++; | |
775 | } | |
776 | ||
c8e60bdf SA |
777 | break; |
778 | } | |
779 | } | |
780 | ||
781 | settings.endGroup(); | |
4ca06ec3 | 782 | channels_updated(); |
c8e60bdf SA |
783 | } |
784 | ||
8b5ea5a1 SA |
785 | // Restore channel mapping |
786 | unsigned int channels = settings.value("channels").toInt(); | |
787 | ||
56c4de9a | 788 | const vector< shared_ptr<data::SignalBase> > signalbases = |
8b5ea5a1 SA |
789 | session_.signalbases(); |
790 | ||
791 | for (unsigned int channel_id = 0; channel_id < channels; channel_id++) { | |
792 | auto channel = find_if(channels_.begin(), channels_.end(), | |
a82325d1 | 793 | [&](decode::DecodeChannel ch) { return ch.id == channel_id; }); |
8b5ea5a1 SA |
794 | |
795 | if (channel == channels_.end()) { | |
796 | qDebug() << "ERROR: Non-existant channel index:" << channel_id; | |
797 | continue; | |
798 | } | |
799 | ||
800 | settings.beginGroup("channel" + QString::number(channel_id)); | |
801 | ||
802 | QString assigned_signal_name = settings.value("assigned_signal_name").toString(); | |
803 | ||
f4ab4b5c | 804 | for (const shared_ptr<data::SignalBase>& signal : signalbases) |
8b5ea5a1 SA |
805 | if (signal->name() == assigned_signal_name) |
806 | channel->assigned_signal = signal.get(); | |
807 | ||
808 | channel->initial_pin_state = settings.value("initial_pin_state").toInt(); | |
809 | ||
810 | settings.endGroup(); | |
811 | } | |
812 | ||
aa71890d | 813 | // Update the internal structures |
e3202557 | 814 | stack_config_changed_ = true; |
aa71890d SA |
815 | update_channel_list(); |
816 | commit_decoder_channels(); | |
817 | ||
8b5ea5a1 | 818 | begin_decode(); |
47747218 SA |
819 | } |
820 | ||
403c3e87 SA |
821 | void DecodeSignal::set_error_message(QString msg) |
822 | { | |
823 | error_message_ = msg; | |
fe060a48 SA |
824 | // TODO Emulate noquote() |
825 | qDebug().nospace() << name() << ": " << msg; | |
403c3e87 SA |
826 | } |
827 | ||
8a603e13 SA |
828 | uint32_t DecodeSignal::get_input_segment_count() const |
829 | { | |
830 | uint64_t count = std::numeric_limits<uint64_t>::max(); | |
831 | bool no_signals_assigned = true; | |
832 | ||
a82325d1 | 833 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
834 | if (ch.assigned_signal) { |
835 | no_signals_assigned = false; | |
836 | ||
837 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
838 | if (!logic_data || logic_data->logic_segments().empty()) | |
839 | return 0; | |
840 | ||
841 | // Find the min value of all segment counts | |
842 | if ((uint64_t)(logic_data->logic_segments().size()) < count) | |
843 | count = logic_data->logic_segments().size(); | |
844 | } | |
845 | ||
846 | return (no_signals_assigned ? 0 : count); | |
847 | } | |
848 | ||
849 | uint32_t DecodeSignal::get_input_samplerate(uint32_t segment_id) const | |
850 | { | |
851 | double samplerate = 0; | |
852 | ||
a82325d1 | 853 | for (const decode::DecodeChannel& ch : channels_) |
8a603e13 SA |
854 | if (ch.assigned_signal) { |
855 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
856 | if (!logic_data || logic_data->logic_segments().empty()) | |
857 | continue; | |
858 | ||
859 | try { | |
860 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().at(segment_id); | |
861 | samplerate = segment->samplerate(); | |
30677c13 | 862 | } catch (out_of_range&) { |
8a603e13 SA |
863 | // Do nothing |
864 | } | |
865 | break; | |
866 | } | |
867 | ||
868 | return samplerate; | |
869 | } | |
870 | ||
6a26fc44 SA |
871 | Decoder* DecodeSignal::get_decoder_by_instance(const srd_decoder *const srd_dec) |
872 | { | |
873 | for (shared_ptr<Decoder>& d : stack_) | |
874 | if (d->get_srd_decoder() == srd_dec) | |
875 | return d.get(); | |
876 | ||
877 | return nullptr; | |
878 | } | |
879 | ||
9f97b357 SA |
880 | void DecodeSignal::update_channel_list() |
881 | { | |
a82325d1 | 882 | vector<decode::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
883 | channels_.clear(); |
884 | ||
885 | uint16_t id = 0; | |
886 | ||
887 | // Copy existing entries, create new as needed | |
f4ab4b5c | 888 | for (shared_ptr<Decoder>& decoder : stack_) { |
6a26fc44 | 889 | const srd_decoder* srd_dec = decoder->get_srd_decoder(); |
9f97b357 SA |
890 | const GSList *l; |
891 | ||
892 | // Mandatory channels | |
6a26fc44 | 893 | for (l = srd_dec->channels; l; l = l->next) { |
9f97b357 SA |
894 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; |
895 | bool ch_added = false; | |
896 | ||
897 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 898 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
899 | if (ch.pdch_ == pdch) { |
900 | ch.id = id++; | |
901 | channels_.push_back(ch); | |
902 | ch_added = true; | |
903 | break; | |
904 | } | |
905 | ||
906 | if (!ch_added) { | |
907 | // Create new entry without a mapped signal | |
a82325d1 | 908 | decode::DecodeChannel ch = {id++, 0, false, nullptr, |
9f97b357 SA |
909 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
910 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
911 | channels_.push_back(ch); | |
912 | } | |
913 | } | |
914 | ||
915 | // Optional channels | |
6a26fc44 | 916 | for (l = srd_dec->opt_channels; l; l = l->next) { |
9f97b357 SA |
917 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; |
918 | bool ch_added = false; | |
919 | ||
920 | // Copy but update ID if this channel was in the list before | |
a82325d1 | 921 | for (decode::DecodeChannel& ch : prev_channels) |
9f97b357 SA |
922 | if (ch.pdch_ == pdch) { |
923 | ch.id = id++; | |
924 | channels_.push_back(ch); | |
925 | ch_added = true; | |
926 | break; | |
927 | } | |
928 | ||
929 | if (!ch_added) { | |
930 | // Create new entry without a mapped signal | |
a82325d1 | 931 | decode::DecodeChannel ch = {id++, 0, true, nullptr, |
9f97b357 SA |
932 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), |
933 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
934 | channels_.push_back(ch); | |
935 | } | |
936 | } | |
937 | } | |
938 | ||
47747218 SA |
939 | // Invalidate the logic output data if the channel assignment changed |
940 | if (prev_channels.size() != channels_.size()) { | |
941 | // The number of channels changed, there's definitely a difference | |
942 | logic_mux_data_invalid_ = true; | |
943 | } else { | |
944 | // Same number but assignment may still differ, so compare all channels | |
945 | for (size_t i = 0; i < channels_.size(); i++) { | |
a82325d1 SA |
946 | const decode::DecodeChannel& p_ch = prev_channels[i]; |
947 | const decode::DecodeChannel& ch = channels_[i]; | |
47747218 SA |
948 | |
949 | if ((p_ch.pdch_ != ch.pdch_) || | |
950 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
951 | logic_mux_data_invalid_ = true; | |
952 | break; | |
953 | } | |
954 | } | |
955 | ||
956 | } | |
957 | ||
9f97b357 SA |
958 | channels_updated(); |
959 | } | |
960 | ||
27a3f09b | 961 | void DecodeSignal::commit_decoder_channels() |
ad908057 | 962 | { |
27a3f09b | 963 | // Submit channel list to every decoder, containing only the relevant channels |
6a26fc44 | 964 | for (shared_ptr<Decoder> dec : stack_) { |
a82325d1 | 965 | vector<decode::DecodeChannel*> channel_list; |
27a3f09b | 966 | |
a82325d1 | 967 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
968 | if (ch.decoder_ == dec) |
969 | channel_list.push_back(&ch); | |
47747218 | 970 | |
27a3f09b SA |
971 | dec->set_channels(channel_list); |
972 | } | |
aa71890d SA |
973 | |
974 | // Channel bit IDs must be in sync with the channel's apperance in channels_ | |
975 | int id = 0; | |
a82325d1 | 976 | for (decode::DecodeChannel& ch : channels_) |
aa71890d SA |
977 | if (ch.assigned_signal) |
978 | ch.bit_id = id++; | |
47747218 SA |
979 | } |
980 | ||
ed535cd7 | 981 | void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, const int64_t end) |
47747218 | 982 | { |
27a3f09b SA |
983 | // Enforce end to be greater than start |
984 | if (end <= start) | |
985 | return; | |
986 | ||
ed535cd7 | 987 | // Fetch the channel segments and their data |
27a3f09b SA |
988 | vector<shared_ptr<LogicSegment> > segments; |
989 | vector<const uint8_t*> signal_data; | |
990 | vector<uint8_t> signal_in_bytepos; | |
991 | vector<uint8_t> signal_in_bitpos; | |
992 | ||
a82325d1 | 993 | for (decode::DecodeChannel& ch : channels_) |
27a3f09b SA |
994 | if (ch.assigned_signal) { |
995 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
ed535cd7 SA |
996 | |
997 | shared_ptr<LogicSegment> segment; | |
998 | try { | |
999 | segment = logic_data->logic_segments().at(segment_id); | |
30677c13 | 1000 | } catch (out_of_range&) { |
ed535cd7 SA |
1001 | qDebug() << "Muxer error for" << name() << ":" << ch.assigned_signal->name() \ |
1002 | << "has no logic segment" << segment_id; | |
1003 | return; | |
1004 | } | |
27a3f09b | 1005 | segments.push_back(segment); |
b82243f7 SA |
1006 | |
1007 | uint8_t* data = new uint8_t[(end - start) * segment->unit_size()]; | |
1008 | segment->get_samples(start, end, data); | |
1009 | signal_data.push_back(data); | |
27a3f09b SA |
1010 | |
1011 | const int bitpos = ch.assigned_signal->logic_bit_index(); | |
1012 | signal_in_bytepos.push_back(bitpos / 8); | |
1013 | signal_in_bitpos.push_back(bitpos % 8); | |
1014 | } | |
1015 | ||
ed535cd7 SA |
1016 | |
1017 | shared_ptr<LogicSegment> output_segment; | |
1018 | try { | |
1019 | output_segment = logic_mux_data_->logic_segments().at(segment_id); | |
30677c13 | 1020 | } catch (out_of_range&) { |
ed535cd7 SA |
1021 | qDebug() << "Muxer error for" << name() << ": no logic mux segment" \ |
1022 | << segment_id << "in mux_logic_samples(), mux segments size is" \ | |
1023 | << logic_mux_data_->logic_segments().size(); | |
1024 | return; | |
1025 | } | |
1026 | ||
27a3f09b | 1027 | // Perform the muxing of signal data into the output data |
8a603e13 | 1028 | uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()]; |
27a3f09b SA |
1029 | unsigned int signal_count = signal_data.size(); |
1030 | ||
3b5282a2 SA |
1031 | for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start)); |
1032 | sample_cnt++) { | |
1033 | ||
27a3f09b SA |
1034 | int bitpos = 0; |
1035 | uint8_t bytepos = 0; | |
1036 | ||
8a603e13 SA |
1037 | const int out_sample_pos = sample_cnt * output_segment->unit_size(); |
1038 | for (unsigned int i = 0; i < output_segment->unit_size(); i++) | |
27a3f09b | 1039 | output[out_sample_pos + i] = 0; |
47747218 | 1040 | |
27a3f09b SA |
1041 | for (unsigned int i = 0; i < signal_count; i++) { |
1042 | const int in_sample_pos = sample_cnt * segments[i]->unit_size(); | |
1043 | const uint8_t in_sample = 1 & | |
1044 | ((signal_data[i][in_sample_pos + signal_in_bytepos[i]]) >> (signal_in_bitpos[i])); | |
47747218 | 1045 | |
27a3f09b SA |
1046 | const uint8_t out_sample = output[out_sample_pos + bytepos]; |
1047 | ||
1048 | output[out_sample_pos + bytepos] = out_sample | (in_sample << bitpos); | |
1049 | ||
1050 | bitpos++; | |
1051 | if (bitpos > 7) { | |
1052 | bitpos = 0; | |
1053 | bytepos++; | |
1054 | } | |
1055 | } | |
47747218 SA |
1056 | } |
1057 | ||
8a603e13 | 1058 | output_segment->append_payload(output, (end - start) * output_segment->unit_size()); |
27a3f09b SA |
1059 | delete[] output; |
1060 | ||
1061 | for (const uint8_t* data : signal_data) | |
1062 | delete[] data; | |
1063 | } | |
1064 | ||
1065 | void DecodeSignal::logic_mux_proc() | |
1066 | { | |
ed535cd7 SA |
1067 | uint32_t segment_id = 0; |
1068 | ||
8a603e13 SA |
1069 | assert(logic_mux_data_); |
1070 | ||
65efd025 SA |
1071 | // Create initial logic mux segment |
1072 | shared_ptr<LogicSegment> output_segment = | |
85a70280 SA |
1073 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1074 | logic_mux_unit_size_, 0); | |
65efd025 | 1075 | logic_mux_data_->push_segment(output_segment); |
8a603e13 SA |
1076 | |
1077 | output_segment->set_samplerate(get_input_samplerate(0)); | |
ed535cd7 | 1078 | |
27a3f09b | 1079 | do { |
ed535cd7 | 1080 | const uint64_t input_sample_count = get_working_sample_count(segment_id); |
8a603e13 | 1081 | const uint64_t output_sample_count = output_segment->get_sample_count(); |
27a3f09b SA |
1082 | |
1083 | const uint64_t samples_to_process = | |
1084 | (input_sample_count > output_sample_count) ? | |
1085 | (input_sample_count - output_sample_count) : 0; | |
1086 | ||
1087 | // Process the samples if necessary... | |
1088 | if (samples_to_process > 0) { | |
8a603e13 | 1089 | const uint64_t unit_size = output_segment->unit_size(); |
27a3f09b SA |
1090 | const uint64_t chunk_sample_count = DecodeChunkLength / unit_size; |
1091 | ||
1092 | uint64_t processed_samples = 0; | |
1093 | do { | |
1094 | const uint64_t start_sample = output_sample_count + processed_samples; | |
1095 | const uint64_t sample_count = | |
1096 | min(samples_to_process - processed_samples, chunk_sample_count); | |
1097 | ||
ed535cd7 | 1098 | mux_logic_samples(segment_id, start_sample, start_sample + sample_count); |
27a3f09b SA |
1099 | processed_samples += sample_count; |
1100 | ||
1101 | // ...and process the newly muxed logic data | |
1102 | decode_input_cond_.notify_one(); | |
3b5282a2 | 1103 | } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process)); |
27a3f09b SA |
1104 | } |
1105 | ||
1ec191ed | 1106 | if (samples_to_process == 0) { |
ed535cd7 SA |
1107 | // TODO Optimize this by caching the input segment count and only |
1108 | // querying it when the cached value was reached | |
1109 | if (segment_id < get_input_segment_count() - 1) { | |
1110 | // Process next segment | |
1111 | segment_id++; | |
1112 | ||
65efd025 | 1113 | output_segment = |
85a70280 SA |
1114 | make_shared<LogicSegment>(*logic_mux_data_, segment_id, |
1115 | logic_mux_unit_size_, 0); | |
65efd025 | 1116 | logic_mux_data_->push_segment(output_segment); |
ba5f2186 | 1117 | |
8a603e13 SA |
1118 | output_segment->set_samplerate(get_input_samplerate(segment_id)); |
1119 | ||
ed535cd7 SA |
1120 | } else { |
1121 | // All segments have been processed | |
1122 | logic_mux_data_invalid_ = false; | |
1123 | ||
1124 | // Wait for more input | |
1125 | unique_lock<mutex> logic_mux_lock(logic_mux_mutex_); | |
1126 | logic_mux_cond_.wait(logic_mux_lock); | |
1127 | } | |
27a3f09b | 1128 | } |
1ae18301 | 1129 | |
1ec191ed | 1130 | } while (!logic_mux_interrupt_); |
47747218 SA |
1131 | } |
1132 | ||
1133 | void DecodeSignal::decode_data( | |
8a603e13 SA |
1134 | const int64_t abs_start_samplenum, const int64_t sample_count, |
1135 | const shared_ptr<LogicSegment> input_segment) | |
47747218 | 1136 | { |
8a603e13 | 1137 | const int64_t unit_size = input_segment->unit_size(); |
27a3f09b | 1138 | const int64_t chunk_sample_count = DecodeChunkLength / unit_size; |
47747218 SA |
1139 | |
1140 | for (int64_t i = abs_start_samplenum; | |
1ae18301 SA |
1141 | error_message_.isEmpty() && !decode_interrupt_ && |
1142 | (i < (abs_start_samplenum + sample_count)); | |
47747218 SA |
1143 | i += chunk_sample_count) { |
1144 | ||
1145 | const int64_t chunk_end = min(i + chunk_sample_count, | |
1146 | abs_start_samplenum + sample_count); | |
1147 | ||
e06cf18d SA |
1148 | { |
1149 | lock_guard<mutex> lock(output_mutex_); | |
b82908ab SA |
1150 | // Update the sample count showing the samples including currently processed ones |
1151 | segments_.at(current_segment_id_).samples_decoded_incl = chunk_end; | |
e06cf18d SA |
1152 | } |
1153 | ||
b82243f7 SA |
1154 | int64_t data_size = (chunk_end - i) * unit_size; |
1155 | uint8_t* chunk = new uint8_t[data_size]; | |
8a603e13 | 1156 | input_segment->get_samples(i, chunk_end, chunk); |
47747218 | 1157 | |
e91883bb | 1158 | if (srd_session_send(srd_session_, i, chunk_end, chunk, |
1ae18301 | 1159 | data_size, unit_size) != SRD_OK) |
403c3e87 | 1160 | set_error_message(tr("Decoder reported an error")); |
a3ebd556 | 1161 | |
47747218 SA |
1162 | delete[] chunk; |
1163 | ||
b82908ab SA |
1164 | { |
1165 | lock_guard<mutex> lock(output_mutex_); | |
1166 | // Now that all samples are processed, the exclusive sample count catches up | |
1167 | segments_.at(current_segment_id_).samples_decoded_excl = chunk_end; | |
1168 | } | |
1169 | ||
1b56c646 SA |
1170 | // Notify the frontend that we processed some data and |
1171 | // possibly have new annotations as well | |
1172 | new_annotations(); | |
556259d2 SA |
1173 | |
1174 | if (decode_paused_) { | |
1175 | unique_lock<mutex> pause_wait_lock(decode_pause_mutex_); | |
1176 | decode_pause_cond_.wait(pause_wait_lock); | |
1177 | } | |
47747218 SA |
1178 | } |
1179 | } | |
1180 | ||
1181 | void DecodeSignal::decode_proc() | |
1182 | { | |
65efd025 SA |
1183 | current_segment_id_ = 0; |
1184 | ||
1185 | // If there is no input data available yet, wait until it is or we're interrupted | |
1186 | if (logic_mux_data_->logic_segments().size() == 0) { | |
1187 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1188 | decode_input_cond_.wait(input_wait_lock); | |
1189 | } | |
a3ebd556 SA |
1190 | |
1191 | if (decode_interrupt_) | |
1192 | return; | |
1193 | ||
8a603e13 | 1194 | shared_ptr<LogicSegment> input_segment = logic_mux_data_->logic_segments().front(); |
8a603e13 | 1195 | assert(input_segment); |
65efd025 SA |
1196 | |
1197 | // Create the initial segment and set its sample rate so that we can pass it to SRD | |
1198 | create_decode_segment(); | |
8a603e13 | 1199 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1200 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1201 | |
65efd025 SA |
1202 | start_srd_session(); |
1203 | ||
1204 | uint64_t sample_count = 0; | |
27a3f09b | 1205 | uint64_t abs_start_samplenum = 0; |
47747218 | 1206 | do { |
27a3f09b SA |
1207 | // Keep processing new samples until we exhaust the input data |
1208 | do { | |
767bf4e7 | 1209 | lock_guard<mutex> input_lock(input_mutex_); |
8a603e13 | 1210 | sample_count = input_segment->get_sample_count() - abs_start_samplenum; |
27a3f09b SA |
1211 | |
1212 | if (sample_count > 0) { | |
8a603e13 | 1213 | decode_data(abs_start_samplenum, sample_count, input_segment); |
27a3f09b SA |
1214 | abs_start_samplenum += sample_count; |
1215 | } | |
1b56c646 SA |
1216 | } while (error_message_.isEmpty() && (sample_count > 0) && !decode_interrupt_); |
1217 | ||
8a603e13 SA |
1218 | if (error_message_.isEmpty() && !decode_interrupt_ && sample_count == 0) { |
1219 | if (current_segment_id_ < logic_mux_data_->logic_segments().size() - 1) { | |
1220 | // Process next segment | |
1221 | current_segment_id_++; | |
1222 | ||
1223 | try { | |
1224 | input_segment = logic_mux_data_->logic_segments().at(current_segment_id_); | |
30677c13 | 1225 | } catch (out_of_range&) { |
8a603e13 SA |
1226 | qDebug() << "Decode error for" << name() << ": no logic mux segment" \ |
1227 | << current_segment_id_ << "in decode_proc(), mux segments size is" \ | |
1228 | << logic_mux_data_->logic_segments().size(); | |
1229 | return; | |
1230 | } | |
1231 | abs_start_samplenum = 0; | |
1232 | ||
65efd025 SA |
1233 | // Create the next segment and set its metadata |
1234 | create_decode_segment(); | |
8a603e13 | 1235 | segments_.at(current_segment_id_).samplerate = input_segment->samplerate(); |
65efd025 | 1236 | segments_.at(current_segment_id_).start_time = input_segment->start_time(); |
8a603e13 | 1237 | |
90ca4cc8 SA |
1238 | // Reset decoder state but keep the decoder stack intact |
1239 | terminate_srd_session(); | |
8a603e13 SA |
1240 | } else { |
1241 | // All segments have been processed | |
1b56c646 | 1242 | decode_finished(); |
27a3f09b | 1243 | |
8a603e13 SA |
1244 | // Wait for new input data or an interrupt was requested |
1245 | unique_lock<mutex> input_wait_lock(input_mutex_); | |
1246 | decode_input_cond_.wait(input_wait_lock); | |
1247 | } | |
27a3f09b SA |
1248 | } |
1249 | } while (error_message_.isEmpty() && !decode_interrupt_); | |
ce0b6a40 GS |
1250 | |
1251 | // Potentially reap decoders when the application no longer is | |
1252 | // interested in their (pending) results. | |
1253 | if (decode_interrupt_) | |
1254 | terminate_srd_session(); | |
e91883bb SA |
1255 | } |
1256 | ||
1257 | void DecodeSignal::start_srd_session() | |
1258 | { | |
8ce0e732 SA |
1259 | // If there were stack changes, the session has been destroyed by now, so if |
1260 | // it hasn't been destroyed, we can just reset and re-use it | |
ce0b6a40 GS |
1261 | if (srd_session_) { |
1262 | // When a decoder stack was created before, re-use it | |
1263 | // for the next stream of input data, after terminating | |
1264 | // potentially still executing operations, and resetting | |
1265 | // internal state. Skip the rather expensive (teardown | |
1266 | // and) construction of another decoder stack. | |
1267 | ||
1268 | // TODO Reduce redundancy, use a common code path for | |
72486b78 | 1269 | // the meta/start sequence? |
ce0b6a40 | 1270 | terminate_srd_session(); |
72486b78 SA |
1271 | |
1272 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1273 | uint64_t samplerate = 0; |
7dd518b8 | 1274 | if (segments_.size() > 0) |
ba5b52e1 GS |
1275 | samplerate = segments_.at(current_segment_id_).samplerate; |
1276 | if (samplerate) | |
7dd518b8 | 1277 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1278 | g_variant_new_uint64(samplerate)); |
6a26fc44 | 1279 | for (const shared_ptr<Decoder>& dec : stack_) |
72486b78 | 1280 | dec->apply_all_options(); |
ce0b6a40 | 1281 | srd_session_start(srd_session_); |
72486b78 | 1282 | |
ce0b6a40 GS |
1283 | return; |
1284 | } | |
e91883bb | 1285 | |
a3ebd556 SA |
1286 | // Create the session |
1287 | srd_session_new(&srd_session_); | |
1288 | assert(srd_session_); | |
47747218 | 1289 | |
a3ebd556 SA |
1290 | // Create the decoders |
1291 | srd_decoder_inst *prev_di = nullptr; | |
6a26fc44 | 1292 | for (const shared_ptr<Decoder>& dec : stack_) { |
a3ebd556 | 1293 | srd_decoder_inst *const di = dec->create_decoder_inst(srd_session_); |
e91883bb | 1294 | |
a3ebd556 | 1295 | if (!di) { |
403c3e87 | 1296 | set_error_message(tr("Failed to create decoder instance")); |
a3ebd556 | 1297 | srd_session_destroy(srd_session_); |
c5f9553c | 1298 | srd_session_ = nullptr; |
a3ebd556 SA |
1299 | return; |
1300 | } | |
e91883bb | 1301 | |
a3ebd556 SA |
1302 | if (prev_di) |
1303 | srd_inst_stack(srd_session_, prev_di, di); | |
e91883bb | 1304 | |
a3ebd556 | 1305 | prev_di = di; |
e91883bb | 1306 | } |
a3ebd556 SA |
1307 | |
1308 | // Start the session | |
7dd518b8 SA |
1309 | if (segments_.size() > 0) |
1310 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, | |
1311 | g_variant_new_uint64(segments_.at(current_segment_id_).samplerate)); | |
a3ebd556 SA |
1312 | |
1313 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN, | |
1314 | DecodeSignal::annotation_callback, this); | |
1315 | ||
c0c3e62a SA |
1316 | srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_BINARY, |
1317 | DecodeSignal::binary_callback, this); | |
1318 | ||
a3ebd556 | 1319 | srd_session_start(srd_session_); |
e3202557 SA |
1320 | |
1321 | // We just recreated the srd session, so all stack changes are applied now | |
1322 | stack_config_changed_ = false; | |
e91883bb | 1323 | } |
47747218 | 1324 | |
ce0b6a40 GS |
1325 | void DecodeSignal::terminate_srd_session() |
1326 | { | |
1327 | // Call the "terminate and reset" routine for the decoder stack | |
1328 | // (if available). This does not harm those stacks which already | |
1329 | // have completed their operation, and reduces response time for | |
1330 | // those stacks which still are processing data while the | |
1331 | // application no longer wants them to. | |
72486b78 | 1332 | if (srd_session_) { |
ce0b6a40 | 1333 | srd_session_terminate_reset(srd_session_); |
72486b78 SA |
1334 | |
1335 | // Metadata is cleared also, so re-set it | |
ba5b52e1 | 1336 | uint64_t samplerate = 0; |
7dd518b8 | 1337 | if (segments_.size() > 0) |
ba5b52e1 GS |
1338 | samplerate = segments_.at(current_segment_id_).samplerate; |
1339 | if (samplerate) | |
7dd518b8 | 1340 | srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE, |
ba5b52e1 | 1341 | g_variant_new_uint64(samplerate)); |
6a26fc44 | 1342 | for (const shared_ptr<Decoder>& dec : stack_) |
72486b78 SA |
1343 | dec->apply_all_options(); |
1344 | } | |
ce0b6a40 GS |
1345 | } |
1346 | ||
e91883bb SA |
1347 | void DecodeSignal::stop_srd_session() |
1348 | { | |
1349 | if (srd_session_) { | |
1350 | // Destroy the session | |
1351 | srd_session_destroy(srd_session_); | |
1352 | srd_session_ = nullptr; | |
8ce0e732 SA |
1353 | |
1354 | // Mark the decoder instances as non-existant since they were deleted | |
6a26fc44 | 1355 | for (const shared_ptr<Decoder>& dec : stack_) |
8ce0e732 | 1356 | dec->invalidate_decoder_inst(); |
e91883bb | 1357 | } |
47747218 SA |
1358 | } |
1359 | ||
a8a9222d SA |
1360 | void DecodeSignal::connect_input_notifiers() |
1361 | { | |
1362 | // Disconnect the notification slot from the previous set of signals | |
1b56c646 | 1363 | disconnect(this, SLOT(on_data_cleared())); |
a8a9222d SA |
1364 | disconnect(this, SLOT(on_data_received())); |
1365 | ||
1366 | // Connect the currently used signals to our slot | |
a82325d1 | 1367 | for (decode::DecodeChannel& ch : channels_) { |
a8a9222d SA |
1368 | if (!ch.assigned_signal) |
1369 | continue; | |
1370 | ||
1b56c646 SA |
1371 | const data::SignalBase *signal = ch.assigned_signal; |
1372 | connect(signal, SIGNAL(samples_cleared()), | |
1373 | this, SLOT(on_data_cleared())); | |
b10b58f4 | 1374 | connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)), |
a8a9222d SA |
1375 | this, SLOT(on_data_received())); |
1376 | } | |
1377 | } | |
1378 | ||
65efd025 | 1379 | void DecodeSignal::create_decode_segment() |
4913560f | 1380 | { |
65efd025 SA |
1381 | // Create annotation segment |
1382 | segments_.emplace_back(DecodeSegment()); | |
72435789 | 1383 | |
65efd025 | 1384 | // Add annotation classes |
feda6c6b | 1385 | for (const shared_ptr<Decoder>& dec : stack_) |
6a26fc44 SA |
1386 | for (Row* row : dec->get_rows()) |
1387 | segments_.back().annotation_rows.emplace(row, RowData(row)); | |
e77de61f SA |
1388 | |
1389 | // Prepare our binary output classes | |
6a26fc44 | 1390 | for (const shared_ptr<Decoder>& dec : stack_) { |
ac9494ef | 1391 | uint32_t n = dec->get_binary_class_count(); |
e77de61f | 1392 | |
ac9494ef | 1393 | for (uint32_t i = 0; i < n; i++) |
e77de61f | 1394 | segments_.back().binary_classes.push_back( |
c8a6db0e | 1395 | {dec.get(), dec->get_binary_class(i), deque<DecodeBinaryDataChunk>()}); |
e77de61f | 1396 | } |
4913560f SA |
1397 | } |
1398 | ||
47747218 SA |
1399 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) |
1400 | { | |
1401 | assert(pdata); | |
b21501d6 | 1402 | assert(decode_signal); |
47747218 SA |
1403 | |
1404 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1405 | assert(ds); | |
1406 | ||
3b5282a2 SA |
1407 | if (ds->decode_interrupt_) |
1408 | return; | |
1409 | ||
47747218 SA |
1410 | lock_guard<mutex> lock(ds->output_mutex_); |
1411 | ||
c0c3e62a | 1412 | // Get the decoder and the annotation data |
47747218 SA |
1413 | assert(pdata->pdo); |
1414 | assert(pdata->pdo->di); | |
6a26fc44 SA |
1415 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; |
1416 | assert(srd_dec); | |
47747218 | 1417 | |
c0c3e62a | 1418 | const srd_proto_data_annotation *const pda = (const srd_proto_data_annotation*)pdata->data; |
1becee23 UH |
1419 | assert(pda); |
1420 | ||
c0c3e62a | 1421 | // Find the row |
6a26fc44 SA |
1422 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); |
1423 | assert(dec); | |
47747218 | 1424 | |
6a26fc44 | 1425 | AnnotationClass* ann_class = dec->get_ann_class_by_id(pda->ann_class); |
4526de63 SA |
1426 | if (!ann_class) { |
1427 | qWarning() << "Decoder" << ds->display_name() << "wanted to add annotation" << | |
1428 | "with class ID" << pda->ann_class << "but there are only" << | |
1429 | dec->ann_classes().size() << "known classes"; | |
1430 | return; | |
1431 | } | |
6a26fc44 SA |
1432 | |
1433 | const Row* row = ann_class->row; | |
1434 | ||
1435 | if (!row) | |
1436 | row = dec->get_row_by_id(0); | |
47747218 SA |
1437 | |
1438 | // Add the annotation | |
6a26fc44 | 1439 | ds->segments_[ds->current_segment_id_].annotation_rows.at(row).emplace_annotation(pdata); |
47747218 SA |
1440 | } |
1441 | ||
c0c3e62a SA |
1442 | void DecodeSignal::binary_callback(srd_proto_data *pdata, void *decode_signal) |
1443 | { | |
1444 | assert(pdata); | |
1445 | assert(decode_signal); | |
1446 | ||
1447 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
1448 | assert(ds); | |
1449 | ||
1450 | if (ds->decode_interrupt_) | |
1451 | return; | |
1452 | ||
e77de61f SA |
1453 | // Get the decoder and the binary data |
1454 | assert(pdata->pdo); | |
1455 | assert(pdata->pdo->di); | |
6a26fc44 SA |
1456 | const srd_decoder *const srd_dec = pdata->pdo->di->decoder; |
1457 | assert(srd_dec); | |
e77de61f | 1458 | |
c0c3e62a SA |
1459 | const srd_proto_data_binary *const pdb = (const srd_proto_data_binary*)pdata->data; |
1460 | assert(pdb); | |
1461 | ||
e77de61f | 1462 | // Find the matching DecodeBinaryClass |
c0c3e62a SA |
1463 | DecodeSegment* segment = &(ds->segments_.at(ds->current_segment_id_)); |
1464 | ||
e77de61f SA |
1465 | DecodeBinaryClass* bin_class = nullptr; |
1466 | for (DecodeBinaryClass& bc : segment->binary_classes) | |
6a26fc44 SA |
1467 | if ((bc.decoder->get_srd_decoder() == srd_dec) && |
1468 | (bc.info->bin_class_id == (uint32_t)pdb->bin_class)) | |
e77de61f | 1469 | bin_class = &bc; |
c0c3e62a | 1470 | |
e77de61f SA |
1471 | if (!bin_class) { |
1472 | qWarning() << "Could not find valid DecodeBinaryClass in segment" << | |
1473 | ds->current_segment_id_ << "for binary class ID" << pdb->bin_class << | |
1474 | ", segment only knows" << segment->binary_classes.size() << "classes"; | |
1475 | return; | |
1476 | } | |
c0c3e62a | 1477 | |
e77de61f SA |
1478 | // Add the data chunk |
1479 | bin_class->chunks.emplace_back(); | |
1480 | DecodeBinaryDataChunk* chunk = &(bin_class->chunks.back()); | |
1481 | ||
1482 | chunk->sample = pdata->start_sample; | |
1483 | chunk->data.resize(pdb->size); | |
1484 | memcpy(chunk->data.data(), pdb->data, pdb->size); | |
1485 | ||
6a26fc44 | 1486 | Decoder* dec = ds->get_decoder_by_instance(srd_dec); |
b2b18d3a SA |
1487 | |
1488 | ds->new_binary_data(ds->current_segment_id_, (void*)dec, pdb->bin_class); | |
c0c3e62a SA |
1489 | } |
1490 | ||
47747218 SA |
1491 | void DecodeSignal::on_capture_state_changed(int state) |
1492 | { | |
1493 | // If a new acquisition was started, we need to start decoding from scratch | |
ba5f2186 SA |
1494 | if (state == Session::Running) { |
1495 | logic_mux_data_invalid_ = true; | |
47747218 | 1496 | begin_decode(); |
ba5f2186 | 1497 | } |
47747218 SA |
1498 | } |
1499 | ||
1b56c646 SA |
1500 | void DecodeSignal::on_data_cleared() |
1501 | { | |
1502 | reset_decode(); | |
1503 | } | |
1504 | ||
47747218 SA |
1505 | void DecodeSignal::on_data_received() |
1506 | { | |
5620539c SA |
1507 | // If we detected a lack of input data when trying to start decoding, |
1508 | // we have set an error message. Only try again if we now have data | |
1509 | // to work with | |
1510 | if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0)) | |
1511 | return; | |
1512 | ||
1b56c646 SA |
1513 | if (!logic_mux_thread_.joinable()) |
1514 | begin_decode(); | |
1515 | else | |
1516 | logic_mux_cond_.notify_one(); | |
47747218 SA |
1517 | } |
1518 | ||
ad908057 SA |
1519 | } // namespace data |
1520 | } // namespace pv |