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ad908057 SA |
1 | /* |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2017 Soeren Apel <soeren@apelpie.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
0c5fe73e SA |
20 | #include <limits> |
21 | ||
47747218 SA |
22 | #include <QDebug> |
23 | ||
ad908057 SA |
24 | #include "logic.hpp" |
25 | #include "logicsegment.hpp" | |
26 | #include "decodesignal.hpp" | |
27 | #include "signaldata.hpp" | |
28 | ||
29 | #include <pv/binding/decoder.hpp> | |
30 | #include <pv/data/decode/decoder.hpp> | |
ecd07c20 | 31 | #include <pv/data/decode/row.hpp> |
ad908057 SA |
32 | #include <pv/session.hpp> |
33 | ||
47747218 SA |
34 | using boost::optional; |
35 | using std::lock_guard; | |
36 | using std::make_pair; | |
ad908057 | 37 | using std::make_shared; |
0c5fe73e | 38 | using std::min; |
ad908057 | 39 | using std::shared_ptr; |
47747218 SA |
40 | using std::unique_lock; |
41 | using pv::data::decode::Annotation; | |
ad908057 | 42 | using pv::data::decode::Decoder; |
ecd07c20 | 43 | using pv::data::decode::Row; |
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; | |
50 | const int64_t DecodeSignal::DecodeChunkLength = 10 * 1024 * 1024; | |
51 | const unsigned int DecodeSignal::DecodeNotifyPeriod = 1024; | |
ad908057 | 52 | |
47747218 | 53 | mutex DecodeSignal::global_srd_mutex_; |
9f97b357 | 54 | |
ad908057 | 55 | |
47747218 SA |
56 | DecodeSignal::DecodeSignal(pv::Session &session) : |
57 | SignalBase(nullptr, SignalBase::DecodeChannel), | |
58 | session_(session), | |
59 | logic_mux_data_invalid_(false), | |
60 | start_time_(0), | |
61 | samplerate_(0), | |
62 | sample_count_(0), | |
63 | annotation_count_(0), | |
64 | samples_decoded_(0), | |
65 | frame_complete_(false) | |
ad908057 | 66 | { |
47747218 SA |
67 | connect(&session_, SIGNAL(capture_state_changed(int)), |
68 | this, SLOT(on_capture_state_changed(int))); | |
69 | connect(&session_, SIGNAL(data_received()), | |
70 | this, SLOT(on_data_received())); | |
71 | connect(&session_, SIGNAL(frame_ended()), | |
72 | this, SLOT(on_frame_ended())); | |
73 | ||
74 | set_name(tr("Empty decoder signal")); | |
ad908057 SA |
75 | } |
76 | ||
47747218 | 77 | DecodeSignal::~DecodeSignal() |
ad908057 | 78 | { |
47747218 SA |
79 | if (decode_thread_.joinable()) { |
80 | decode_interrupt_ = true; | |
81 | decode_input_cond_.notify_one(); | |
82 | decode_thread_.join(); | |
83 | } | |
ad908057 | 84 | |
47747218 SA |
85 | if (logic_mux_thread_.joinable()) { |
86 | logic_mux_interrupt_ = true; | |
87 | logic_mux_cond_.notify_one(); | |
88 | logic_mux_thread_.join(); | |
89 | } | |
ad908057 SA |
90 | } |
91 | ||
47747218 | 92 | const vector< shared_ptr<Decoder> >& DecodeSignal::decoder_stack() const |
ecd07c20 | 93 | { |
47747218 | 94 | return stack_; |
ecd07c20 SA |
95 | } |
96 | ||
ad908057 SA |
97 | void DecodeSignal::stack_decoder(srd_decoder *decoder) |
98 | { | |
99 | assert(decoder); | |
47747218 SA |
100 | stack_.push_back(make_shared<decode::Decoder>(decoder)); |
101 | ||
102 | // Set name if this decoder is the first in the list | |
103 | if (stack_.size() == 1) | |
104 | set_name(QString::fromUtf8(decoder->name)); | |
132a5c6d SA |
105 | |
106 | // Include the newly created decode channels in the channel list | |
9f97b357 | 107 | update_channel_list(); |
132a5c6d SA |
108 | |
109 | auto_assign_signals(); | |
47747218 | 110 | begin_decode(); |
ad908057 SA |
111 | } |
112 | ||
113 | void DecodeSignal::remove_decoder(int index) | |
114 | { | |
47747218 SA |
115 | assert(index >= 0); |
116 | assert(index < (int)stack_.size()); | |
117 | ||
118 | // Find the decoder in the stack | |
119 | auto iter = stack_.begin(); | |
120 | for (int i = 0; i < index; i++, iter++) | |
121 | assert(iter != stack_.end()); | |
122 | ||
123 | // Delete the element | |
124 | stack_.erase(iter); | |
125 | ||
126 | // Update channels and decoded data | |
9f97b357 | 127 | update_channel_list(); |
47747218 | 128 | begin_decode(); |
ad908057 SA |
129 | } |
130 | ||
131 | bool DecodeSignal::toggle_decoder_visibility(int index) | |
132 | { | |
47747218 | 133 | auto iter = stack_.cbegin(); |
ad908057 | 134 | for (int i = 0; i < index; i++, iter++) |
47747218 | 135 | assert(iter != stack_.end()); |
ad908057 SA |
136 | |
137 | shared_ptr<Decoder> dec = *iter; | |
138 | ||
139 | // Toggle decoder visibility | |
140 | bool state = false; | |
141 | if (dec) { | |
142 | state = !dec->shown(); | |
143 | dec->show(state); | |
144 | } | |
145 | ||
146 | return state; | |
147 | } | |
148 | ||
47747218 SA |
149 | void DecodeSignal::reset_decode() |
150 | { | |
151 | sample_count_ = 0; | |
152 | annotation_count_ = 0; | |
153 | frame_complete_ = false; | |
154 | samples_decoded_ = 0; | |
155 | error_message_ = QString(); | |
156 | rows_.clear(); | |
157 | class_rows_.clear(); | |
158 | } | |
159 | ||
946b52e1 SA |
160 | void DecodeSignal::begin_decode() |
161 | { | |
47747218 SA |
162 | if (decode_thread_.joinable()) { |
163 | decode_interrupt_ = true; | |
164 | decode_input_cond_.notify_one(); | |
165 | decode_thread_.join(); | |
166 | } | |
167 | ||
168 | if (logic_mux_thread_.joinable()) { | |
169 | logic_mux_interrupt_ = true; | |
170 | logic_mux_cond_.notify_one(); | |
171 | logic_mux_thread_.join(); | |
172 | } | |
173 | ||
174 | reset_decode(); | |
175 | ||
176 | // Check that all decoders have the required channels | |
177 | for (const shared_ptr<decode::Decoder> &dec : stack_) | |
178 | if (!dec->have_required_channels()) { | |
179 | error_message_ = tr("One or more required channels " | |
180 | "have not been specified"); | |
181 | return; | |
182 | } | |
183 | ||
184 | // Add annotation classes | |
185 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
186 | assert(dec); | |
187 | const srd_decoder *const decc = dec->decoder(); | |
188 | assert(dec->decoder()); | |
189 | ||
190 | // Add a row for the decoder if it doesn't have a row list | |
191 | if (!decc->annotation_rows) | |
192 | rows_[Row(decc)] = decode::RowData(); | |
193 | ||
194 | // Add the decoder rows | |
195 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
196 | const srd_decoder_annotation_row *const ann_row = | |
197 | (srd_decoder_annotation_row *)l->data; | |
198 | assert(ann_row); | |
199 | ||
200 | const Row row(decc, ann_row); | |
201 | ||
202 | // Add a new empty row data object | |
203 | rows_[row] = decode::RowData(); | |
204 | ||
205 | // Map out all the classes | |
206 | for (const GSList *ll = ann_row->ann_classes; | |
207 | ll; ll = ll->next) | |
208 | class_rows_[make_pair(decc, | |
209 | GPOINTER_TO_INT(ll->data))] = row; | |
210 | } | |
211 | } | |
212 | ||
213 | // Make sure the logic output data is complete and up-to-date | |
214 | logic_mux_thread_ = std::thread(&DecodeSignal::logic_mux_proc, this); | |
215 | ||
216 | // Update the samplerate and start time | |
217 | start_time_ = segment_->start_time(); | |
218 | samplerate_ = segment_->samplerate(); | |
219 | if (samplerate_ == 0.0) | |
220 | samplerate_ = 1.0; | |
221 | ||
222 | decode_interrupt_ = false; | |
223 | decode_thread_ = std::thread(&DecodeSignal::decode_proc, this); | |
946b52e1 SA |
224 | } |
225 | ||
ecd07c20 SA |
226 | QString DecodeSignal::error_message() const |
227 | { | |
47747218 SA |
228 | lock_guard<mutex> lock(output_mutex_); |
229 | return error_message_; | |
ecd07c20 SA |
230 | } |
231 | ||
47747218 | 232 | const vector<data::DecodeChannel> DecodeSignal::get_channels() const |
9f97b357 SA |
233 | { |
234 | return channels_; | |
235 | } | |
236 | ||
132a5c6d SA |
237 | void DecodeSignal::auto_assign_signals() |
238 | { | |
47747218 SA |
239 | bool new_assignment = false; |
240 | ||
132a5c6d SA |
241 | // Try to auto-select channels that don't have signals assigned yet |
242 | for (data::DecodeChannel &ch : channels_) { | |
243 | if (ch.assigned_signal) | |
244 | continue; | |
245 | ||
47747218 SA |
246 | for (shared_ptr<data::SignalBase> s : session_.signalbases()) |
247 | if (s->logic_data() && (ch.name.toLower().contains(s->name().toLower()))) { | |
132a5c6d | 248 | ch.assigned_signal = s.get(); |
47747218 SA |
249 | new_assignment = true; |
250 | } | |
251 | } | |
252 | ||
253 | if (new_assignment) { | |
254 | logic_mux_data_invalid_ = true; | |
255 | channels_updated(); | |
132a5c6d SA |
256 | } |
257 | } | |
258 | ||
9f97b357 SA |
259 | void DecodeSignal::assign_signal(const uint16_t channel_id, const SignalBase *signal) |
260 | { | |
261 | for (data::DecodeChannel &ch : channels_) | |
47747218 | 262 | if (ch.id == channel_id) { |
9f97b357 | 263 | ch.assigned_signal = signal; |
47747218 SA |
264 | logic_mux_data_invalid_ = true; |
265 | } | |
9f97b357 SA |
266 | |
267 | channels_updated(); | |
268 | ||
47747218 | 269 | begin_decode(); |
9f97b357 SA |
270 | } |
271 | ||
272 | void DecodeSignal::set_initial_pin_state(const uint16_t channel_id, const int init_state) | |
273 | { | |
274 | for (data::DecodeChannel &ch : channels_) | |
275 | if (ch.id == channel_id) | |
276 | ch.initial_pin_state = init_state; | |
277 | ||
278 | channels_updated(); | |
279 | ||
47747218 | 280 | begin_decode(); |
9f97b357 SA |
281 | } |
282 | ||
ff83d980 SA |
283 | double DecodeSignal::samplerate() const |
284 | { | |
47747218 | 285 | return samplerate_; |
ff83d980 SA |
286 | } |
287 | ||
288 | const pv::util::Timestamp& DecodeSignal::start_time() const | |
289 | { | |
47747218 | 290 | return start_time_; |
ff83d980 SA |
291 | } |
292 | ||
0c5fe73e SA |
293 | int64_t DecodeSignal::get_working_sample_count() const |
294 | { | |
295 | // The working sample count is the highest sample number for | |
296 | // which all used signals have data available, so go through | |
297 | // all channels and use the lowest overall sample count of the | |
298 | // current segment | |
299 | ||
300 | // TODO Currently, we assume only a single segment exists | |
301 | ||
302 | int64_t count = std::numeric_limits<int64_t>::max(); | |
303 | bool no_signals_assigned = true; | |
304 | ||
305 | for (const data::DecodeChannel &ch : channels_) | |
306 | if (ch.assigned_signal) { | |
307 | no_signals_assigned = false; | |
308 | ||
309 | const shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data(); | |
310 | if (!logic_data || logic_data->logic_segments().empty()) | |
311 | return 0; | |
312 | ||
313 | const shared_ptr<LogicSegment> segment = logic_data->logic_segments().front(); | |
314 | count = min(count, (int64_t)segment->get_sample_count()); | |
315 | } | |
316 | ||
317 | return (no_signals_assigned ? 0 : count); | |
318 | } | |
319 | ||
320 | int64_t DecodeSignal::get_decoded_sample_count() const | |
ff83d980 | 321 | { |
47747218 SA |
322 | lock_guard<mutex> decode_lock(output_mutex_); |
323 | return samples_decoded_; | |
ff83d980 SA |
324 | } |
325 | ||
ecd07c20 SA |
326 | vector<Row> DecodeSignal::visible_rows() const |
327 | { | |
47747218 SA |
328 | lock_guard<mutex> lock(output_mutex_); |
329 | ||
330 | vector<Row> rows; | |
331 | ||
332 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
333 | assert(dec); | |
334 | if (!dec->shown()) | |
335 | continue; | |
336 | ||
337 | const srd_decoder *const decc = dec->decoder(); | |
338 | assert(dec->decoder()); | |
339 | ||
340 | // Add a row for the decoder if it doesn't have a row list | |
341 | if (!decc->annotation_rows) | |
342 | rows.emplace_back(decc); | |
343 | ||
344 | // Add the decoder rows | |
345 | for (const GSList *l = decc->annotation_rows; l; l = l->next) { | |
346 | const srd_decoder_annotation_row *const ann_row = | |
347 | (srd_decoder_annotation_row *)l->data; | |
348 | assert(ann_row); | |
349 | rows.emplace_back(decc, ann_row); | |
350 | } | |
351 | } | |
352 | ||
353 | return rows; | |
ecd07c20 SA |
354 | } |
355 | ||
356 | void DecodeSignal::get_annotation_subset( | |
357 | vector<pv::data::decode::Annotation> &dest, | |
358 | const decode::Row &row, uint64_t start_sample, | |
359 | uint64_t end_sample) const | |
360 | { | |
47747218 SA |
361 | lock_guard<mutex> lock(output_mutex_); |
362 | ||
363 | const auto iter = rows_.find(row); | |
364 | if (iter != rows_.end()) | |
365 | (*iter).second.get_annotation_subset(dest, | |
366 | start_sample, end_sample); | |
367 | } | |
368 | ||
369 | void DecodeSignal::save_settings(QSettings &settings) const | |
370 | { | |
371 | SignalBase::save_settings(settings); | |
372 | ||
373 | // TODO Save decoder stack, channel mapping and decoder options | |
374 | } | |
375 | ||
376 | void DecodeSignal::restore_settings(QSettings &settings) | |
377 | { | |
378 | SignalBase::restore_settings(settings); | |
379 | ||
380 | // TODO Restore decoder stack, channel mapping and decoder options | |
381 | } | |
382 | ||
383 | uint64_t DecodeSignal::inc_annotation_count() | |
384 | { | |
385 | return (annotation_count_++); | |
ecd07c20 SA |
386 | } |
387 | ||
9f97b357 SA |
388 | void DecodeSignal::update_channel_list() |
389 | { | |
47747218 | 390 | vector<data::DecodeChannel> prev_channels = channels_; |
9f97b357 SA |
391 | channels_.clear(); |
392 | ||
393 | uint16_t id = 0; | |
394 | ||
395 | // Copy existing entries, create new as needed | |
47747218 | 396 | for (shared_ptr<Decoder> decoder : stack_) { |
9f97b357 SA |
397 | const srd_decoder* srd_d = decoder->decoder(); |
398 | const GSList *l; | |
399 | ||
400 | // Mandatory channels | |
401 | for (l = srd_d->channels; l; l = l->next) { | |
402 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
403 | bool ch_added = false; | |
404 | ||
405 | // Copy but update ID if this channel was in the list before | |
47747218 | 406 | for (data::DecodeChannel &ch : prev_channels) |
9f97b357 SA |
407 | if (ch.pdch_ == pdch) { |
408 | ch.id = id++; | |
409 | channels_.push_back(ch); | |
410 | ch_added = true; | |
411 | break; | |
412 | } | |
413 | ||
414 | if (!ch_added) { | |
415 | // Create new entry without a mapped signal | |
416 | data::DecodeChannel ch = {id++, false, nullptr, | |
417 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), | |
418 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
419 | channels_.push_back(ch); | |
420 | } | |
421 | } | |
422 | ||
423 | // Optional channels | |
424 | for (l = srd_d->opt_channels; l; l = l->next) { | |
425 | const struct srd_channel *const pdch = (struct srd_channel *)l->data; | |
426 | bool ch_added = false; | |
427 | ||
428 | // Copy but update ID if this channel was in the list before | |
47747218 | 429 | for (data::DecodeChannel &ch : prev_channels) |
9f97b357 SA |
430 | if (ch.pdch_ == pdch) { |
431 | ch.id = id++; | |
432 | channels_.push_back(ch); | |
433 | ch_added = true; | |
434 | break; | |
435 | } | |
436 | ||
437 | if (!ch_added) { | |
438 | // Create new entry without a mapped signal | |
439 | data::DecodeChannel ch = {id++, true, nullptr, | |
440 | QString::fromUtf8(pdch->name), QString::fromUtf8(pdch->desc), | |
441 | SRD_INITIAL_PIN_SAME_AS_SAMPLE0, decoder, pdch}; | |
442 | channels_.push_back(ch); | |
443 | } | |
444 | } | |
445 | } | |
446 | ||
47747218 SA |
447 | // Invalidate the logic output data if the channel assignment changed |
448 | if (prev_channels.size() != channels_.size()) { | |
449 | // The number of channels changed, there's definitely a difference | |
450 | logic_mux_data_invalid_ = true; | |
451 | } else { | |
452 | // Same number but assignment may still differ, so compare all channels | |
453 | for (size_t i = 0; i < channels_.size(); i++) { | |
454 | const data::DecodeChannel &p_ch = prev_channels[i]; | |
455 | const data::DecodeChannel &ch = channels_[i]; | |
456 | ||
457 | if ((p_ch.pdch_ != ch.pdch_) || | |
458 | (p_ch.assigned_signal != ch.assigned_signal)) { | |
459 | logic_mux_data_invalid_ = true; | |
460 | break; | |
461 | } | |
462 | } | |
463 | ||
464 | } | |
465 | ||
9f97b357 SA |
466 | channels_updated(); |
467 | } | |
468 | ||
47747218 | 469 | void DecodeSignal::logic_mux_proc() |
ad908057 | 470 | { |
47747218 SA |
471 | |
472 | } | |
473 | ||
474 | optional<int64_t> DecodeSignal::wait_for_data() const | |
475 | { | |
476 | unique_lock<mutex> input_lock(input_mutex_); | |
477 | ||
478 | // Do wait if we decoded all samples but we're still capturing | |
479 | // Do not wait if we're done capturing | |
480 | while (!decode_interrupt_ && !frame_complete_ && | |
481 | (samples_decoded_ >= sample_count_) && | |
482 | (session_.get_capture_state() != Session::Stopped)) { | |
483 | ||
484 | decode_input_cond_.wait(input_lock); | |
485 | } | |
486 | ||
487 | // Return value is valid if we're not aborting the decode, | |
488 | return boost::make_optional(!decode_interrupt_ && | |
489 | // and there's more work to do... | |
490 | (samples_decoded_ < sample_count_ || !frame_complete_) && | |
491 | // and if the end of the data hasn't been reached yet | |
492 | (!((samples_decoded_ >= sample_count_) && (session_.get_capture_state() == Session::Stopped))), | |
493 | sample_count_); | |
494 | } | |
495 | ||
496 | void DecodeSignal::decode_data( | |
497 | const int64_t abs_start_samplenum, const int64_t sample_count, | |
498 | srd_session *const session) | |
499 | { | |
500 | const unsigned int unit_size = segment_->unit_size(); | |
501 | const unsigned int chunk_sample_count = DecodeChunkLength / unit_size; | |
502 | ||
503 | for (int64_t i = abs_start_samplenum; | |
504 | !decode_interrupt_ && (i < (abs_start_samplenum + sample_count)); | |
505 | i += chunk_sample_count) { | |
506 | ||
507 | const int64_t chunk_end = min(i + chunk_sample_count, | |
508 | abs_start_samplenum + sample_count); | |
509 | ||
510 | const uint8_t* chunk = segment_->get_samples(i, chunk_end); | |
511 | ||
512 | if (srd_session_send(session, i, chunk_end, chunk, | |
513 | (chunk_end - i) * unit_size, unit_size) != SRD_OK) { | |
514 | error_message_ = tr("Decoder reported an error"); | |
515 | delete[] chunk; | |
516 | break; | |
517 | } | |
518 | delete[] chunk; | |
519 | ||
520 | { | |
521 | lock_guard<mutex> lock(output_mutex_); | |
522 | samples_decoded_ = chunk_end; | |
523 | } | |
524 | } | |
525 | } | |
526 | ||
527 | void DecodeSignal::decode_proc() | |
528 | { | |
529 | optional<int64_t> sample_count; | |
530 | srd_session *session; | |
531 | srd_decoder_inst *prev_di = nullptr; | |
532 | ||
533 | // Prevent any other decode threads from accessing libsigrokdecode | |
534 | lock_guard<mutex> srd_lock(global_srd_mutex_); | |
535 | ||
536 | // Create the session | |
537 | srd_session_new(&session); | |
538 | assert(session); | |
539 | ||
540 | // Create the decoders | |
541 | for (const shared_ptr<decode::Decoder> &dec : stack_) { | |
542 | srd_decoder_inst *const di = dec->create_decoder_inst(session); | |
543 | ||
544 | if (!di) { | |
545 | error_message_ = tr("Failed to create decoder instance"); | |
546 | srd_session_destroy(session); | |
547 | return; | |
548 | } | |
549 | ||
550 | if (prev_di) | |
551 | srd_inst_stack(session, prev_di, di); | |
552 | ||
553 | prev_di = di; | |
554 | } | |
555 | ||
556 | // Get the initial sample count | |
557 | { | |
558 | unique_lock<mutex> input_lock(input_mutex_); | |
559 | sample_count = sample_count_ = get_working_sample_count(); | |
560 | } | |
561 | ||
562 | // Start the session | |
563 | srd_session_metadata_set(session, SRD_CONF_SAMPLERATE, | |
564 | g_variant_new_uint64(samplerate_)); | |
565 | ||
566 | srd_pd_output_callback_add(session, SRD_OUTPUT_ANN, | |
567 | DecodeSignal::annotation_callback, this); | |
568 | ||
569 | srd_session_start(session); | |
570 | ||
571 | int64_t abs_start_samplenum = 0; | |
572 | do { | |
573 | decode_data(abs_start_samplenum, *sample_count, session); | |
574 | abs_start_samplenum = *sample_count; | |
575 | } while (error_message_.isEmpty() && (sample_count = wait_for_data())); | |
576 | ||
577 | // Make sure all annotations are known to the frontend | |
ad908057 | 578 | new_annotations(); |
47747218 SA |
579 | |
580 | // Destroy the session | |
581 | srd_session_destroy(session); | |
582 | } | |
583 | ||
584 | void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signal) | |
585 | { | |
586 | assert(pdata); | |
587 | assert(decoder); | |
588 | ||
589 | DecodeSignal *const ds = (DecodeSignal*)decode_signal; | |
590 | assert(ds); | |
591 | ||
592 | lock_guard<mutex> lock(ds->output_mutex_); | |
593 | ||
594 | const decode::Annotation a(pdata); | |
595 | ||
596 | // Find the row | |
597 | assert(pdata->pdo); | |
598 | assert(pdata->pdo->di); | |
599 | const srd_decoder *const decc = pdata->pdo->di->decoder; | |
600 | assert(decc); | |
601 | ||
602 | auto row_iter = ds->rows_.end(); | |
603 | ||
604 | // Try looking up the sub-row of this class | |
605 | const auto r = ds->class_rows_.find(make_pair(decc, a.format())); | |
606 | if (r != ds->class_rows_.end()) | |
607 | row_iter = ds->rows_.find((*r).second); | |
608 | else { | |
609 | // Failing that, use the decoder as a key | |
610 | row_iter = ds->rows_.find(Row(decc)); | |
611 | } | |
612 | ||
613 | assert(row_iter != ds->rows_.end()); | |
614 | if (row_iter == ds->rows_.end()) { | |
615 | qDebug() << "Unexpected annotation: decoder = " << decc << | |
616 | ", format = " << a.format(); | |
617 | assert(false); | |
618 | return; | |
619 | } | |
620 | ||
621 | // Add the annotation | |
622 | (*row_iter).second.push_annotation(a); | |
623 | ||
624 | // Notify the frontend every DecodeNotifyPeriod annotations | |
625 | if (ds->inc_annotation_count() % DecodeNotifyPeriod == 0) | |
626 | ds->new_annotations(); | |
627 | } | |
628 | ||
629 | void DecodeSignal::on_capture_state_changed(int state) | |
630 | { | |
631 | // If a new acquisition was started, we need to start decoding from scratch | |
632 | if (state == Session::Running) | |
633 | begin_decode(); | |
634 | } | |
635 | ||
636 | void DecodeSignal::on_data_received() | |
637 | { | |
638 | logic_mux_cond_.notify_one(); | |
639 | } | |
640 | ||
641 | void DecodeSignal::on_frame_ended() | |
642 | { | |
643 | logic_mux_cond_.notify_one(); | |
ad908057 SA |
644 | } |
645 | ||
646 | } // namespace data | |
647 | } // namespace pv |