X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fdata%2Fdecodesignal.cpp;h=9b40540c7032b058f988f8cb8d903d6763b3d97f;hb=0df28cd5a727c5e4ff2c46e3258b76936bc0c33d;hp=f5dc000169611e355e0d13c07182f81de4bffc5e;hpb=403c3e87178230339ceeb1927b2ed99d3fde046f;p=pulseview.git
diff --git a/pv/data/decodesignal.cpp b/pv/data/decodesignal.cpp
index f5dc000..9b40540 100644
--- a/pv/data/decodesignal.cpp
+++ b/pv/data/decodesignal.cpp
@@ -17,6 +17,7 @@
* along with this program; if not, see .
*/
+#include
#include
#include
@@ -32,6 +33,7 @@
#include
#include
+using std::forward_list;
using std::lock_guard;
using std::make_pair;
using std::make_shared;
@@ -65,7 +67,7 @@ DecodeSignal::DecodeSignal(pv::Session &session) :
DecodeSignal::~DecodeSignal()
{
- reset_decode();
+ reset_decode(true);
}
const vector< shared_ptr >& DecodeSignal::decoder_stack() const
@@ -130,9 +132,9 @@ bool DecodeSignal::toggle_decoder_visibility(int index)
return state;
}
-void DecodeSignal::reset_decode()
+void DecodeSignal::reset_decode(bool shutting_down)
{
- if (stack_config_changed_)
+ if (stack_config_changed_ || shutting_down)
stop_srd_session();
else
terminate_srd_session();
@@ -149,6 +151,8 @@ void DecodeSignal::reset_decode()
logic_mux_thread_.join();
}
+ resume_decode(); // Make sure the decode thread isn't blocked by pausing
+
class_rows_.clear();
current_segment_id_ = 0;
segments_.clear();
@@ -158,7 +162,8 @@ void DecodeSignal::reset_decode()
if (!error_message_.isEmpty()) {
error_message_ = QString();
- qDebug().noquote().nospace() << name() << ": Error cleared";
+ // TODO Emulate noquote()
+ qDebug().nospace() << name() << ": Error cleared";
}
decode_reset();
@@ -208,6 +213,7 @@ void DecodeSignal::begin_decode()
}
// Map out all the annotation classes
+ int row_index = 0;
for (const shared_ptr &dec : stack_) {
assert(dec);
const srd_decoder *const decc = dec->decoder();
@@ -218,7 +224,7 @@ void DecodeSignal::begin_decode()
(srd_decoder_annotation_row *)l->data;
assert(ann_row);
- const Row row(decc, ann_row);
+ const Row row(row_index++, decc, ann_row);
for (const GSList *ll = ann_row->ann_classes;
ll; ll = ll->next)
@@ -254,6 +260,25 @@ void DecodeSignal::begin_decode()
decode_thread_ = std::thread(&DecodeSignal::decode_proc, this);
}
+void DecodeSignal::pause_decode()
+{
+ decode_paused_ = true;
+}
+
+void DecodeSignal::resume_decode()
+{
+ // Manual unlocking is done before notifying, to avoid waking up the
+ // waiting thread only to block again (see notify_one for details)
+ decode_pause_mutex_.unlock();
+ decode_pause_cond_.notify_one();
+ decode_paused_ = false;
+}
+
+bool DecodeSignal::is_paused() const
+{
+ return decode_paused_;
+}
+
QString DecodeSignal::error_message() const
{
lock_guard lock(output_mutex_);
@@ -278,16 +303,35 @@ void DecodeSignal::auto_assign_signals(const shared_ptr dec)
if (ch.assigned_signal)
continue;
+ QString ch_name = ch.name.toLower();
+ ch_name = ch_name.replace(QRegExp("[-_.]"), " ");
+
+ shared_ptr match;
for (shared_ptr s : session_.signalbases()) {
- const QString ch_name = ch.name.toLower();
- const QString s_name = s->name().toLower();
+ if (!s->enabled())
+ continue;
+
+ QString s_name = s->name().toLower();
+ s_name = s_name.replace(QRegExp("[-_.]"), " ");
if (s->logic_data() &&
((ch_name.contains(s_name)) || (s_name.contains(ch_name)))) {
- ch.assigned_signal = s.get();
- new_assignment = true;
+ if (!match)
+ match = s;
+ else {
+ // Only replace an existing match if it matches more characters
+ int old_unmatched = ch_name.length() - match->name().length();
+ int new_unmatched = ch_name.length() - s->name().length();
+ if (abs(new_unmatched) < abs(old_unmatched))
+ match = s;
+ }
}
}
+
+ if (match) {
+ ch.assigned_signal = match.get();
+ new_assignment = true;
+ }
}
if (new_assignment) {
@@ -380,7 +424,8 @@ int64_t DecodeSignal::get_working_sample_count(uint32_t segment_id) const
return (no_signals_assigned ? 0 : count);
}
-int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id) const
+int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id,
+ bool include_processing) const
{
lock_guard decode_lock(output_mutex_);
@@ -388,7 +433,10 @@ int64_t DecodeSignal::get_decoded_sample_count(uint32_t segment_id) const
try {
const DecodeSegment *segment = &(segments_.at(segment_id));
- result = segment->samples_decoded;
+ if (include_processing)
+ result = segment->samples_decoded_incl;
+ else
+ result = segment->samples_decoded_excl;
} catch (out_of_range&) {
// Do nothing
}
@@ -410,16 +458,17 @@ vector DecodeSignal::visible_rows() const
const srd_decoder *const decc = dec->decoder();
assert(dec->decoder());
+ int row_index = 0;
// Add a row for the decoder if it doesn't have a row list
if (!decc->annotation_rows)
- rows.emplace_back(decc);
+ rows.emplace_back(row_index++, decc);
// Add the decoder rows
for (const GSList *l = decc->annotation_rows; l; l = l->next) {
const srd_decoder_annotation_row *const ann_row =
(srd_decoder_annotation_row *)l->data;
assert(ann_row);
- rows.emplace_back(decc, ann_row);
+ rows.emplace_back(row_index++, decc, ann_row);
}
}
@@ -447,6 +496,33 @@ void DecodeSignal::get_annotation_subset(
}
}
+void DecodeSignal::get_annotation_subset(
+ vector &dest,
+ uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
+{
+ // Note: We put all vectors and lists on the heap, not the stack
+
+ const vector rows = visible_rows();
+
+ // Use forward_lists for faster merging
+ forward_list *all_ann_list = new forward_list();
+
+ for (const Row& row : rows) {
+ vector *ann_vector = new vector();
+ get_annotation_subset(*ann_vector, row, segment_id, start_sample, end_sample);
+
+ forward_list *ann_list =
+ new forward_list(ann_vector->begin(), ann_vector->end());
+ delete ann_vector;
+
+ all_ann_list->merge(*ann_list);
+ delete ann_list;
+ }
+
+ move(all_ann_list->begin(), all_ann_list->end(), back_inserter(dest));
+ delete all_ann_list;
+}
+
void DecodeSignal::save_settings(QSettings &settings) const
{
SignalBase::save_settings(settings);
@@ -588,7 +664,8 @@ void DecodeSignal::restore_settings(QSettings &settings)
void DecodeSignal::set_error_message(QString msg)
{
error_message_ = msg;
- qDebug().noquote().nospace() << name() << ": " << msg;
+ // TODO Emulate noquote()
+ qDebug().nospace() << name() << ": " << msg;
}
uint32_t DecodeSignal::get_input_segment_count() const
@@ -785,7 +862,9 @@ void DecodeSignal::mux_logic_samples(uint32_t segment_id, const int64_t start, c
uint8_t* output = new uint8_t[(end - start) * output_segment->unit_size()];
unsigned int signal_count = signal_data.size();
- for (int64_t sample_cnt = 0; sample_cnt < (end - start); sample_cnt++) {
+ for (int64_t sample_cnt = 0; !logic_mux_interrupt_ && (sample_cnt < (end - start));
+ sample_cnt++) {
+
int bitpos = 0;
uint8_t bytepos = 0;
@@ -855,7 +934,7 @@ void DecodeSignal::logic_mux_proc()
// ...and process the newly muxed logic data
decode_input_cond_.notify_one();
- } while (processed_samples < samples_to_process);
+ } while (!logic_mux_interrupt_ && (processed_samples < samples_to_process));
}
if (samples_to_process == 0) {
@@ -881,6 +960,7 @@ void DecodeSignal::logic_mux_proc()
logic_mux_cond_.wait(logic_mux_lock);
}
}
+
} while (!logic_mux_interrupt_);
}
@@ -892,33 +972,43 @@ void DecodeSignal::decode_data(
const int64_t chunk_sample_count = DecodeChunkLength / unit_size;
for (int64_t i = abs_start_samplenum;
- !decode_interrupt_ && (i < (abs_start_samplenum + sample_count));
+ error_message_.isEmpty() && !decode_interrupt_ &&
+ (i < (abs_start_samplenum + sample_count));
i += chunk_sample_count) {
const int64_t chunk_end = min(i + chunk_sample_count,
abs_start_samplenum + sample_count);
+ {
+ lock_guard lock(output_mutex_);
+ // Update the sample count showing the samples including currently processed ones
+ segments_.at(current_segment_id_).samples_decoded_incl = chunk_end;
+ }
+
int64_t data_size = (chunk_end - i) * unit_size;
uint8_t* chunk = new uint8_t[data_size];
input_segment->get_samples(i, chunk_end, chunk);
if (srd_session_send(srd_session_, i, chunk_end, chunk,
- data_size, unit_size) != SRD_OK) {
+ data_size, unit_size) != SRD_OK)
set_error_message(tr("Decoder reported an error"));
- delete[] chunk;
- break;
- }
delete[] chunk;
{
lock_guard lock(output_mutex_);
- segments_.at(current_segment_id_).samples_decoded = chunk_end;
+ // Now that all samples are processed, the exclusive sample count catches up
+ segments_.at(current_segment_id_).samples_decoded_excl = chunk_end;
}
// Notify the frontend that we processed some data and
// possibly have new annotations as well
new_annotations();
+
+ if (decode_paused_) {
+ unique_lock pause_wait_lock(decode_pause_mutex_);
+ decode_pause_cond_.wait(pause_wait_lock);
+ }
}
}
@@ -979,9 +1069,8 @@ void DecodeSignal::decode_proc()
segments_.at(current_segment_id_).samplerate = input_segment->samplerate();
segments_.at(current_segment_id_).start_time = input_segment->start_time();
- // Reset decoder state
- stop_srd_session();
- start_srd_session();
+ // Reset decoder state but keep the decoder stack intact
+ terminate_srd_session();
} else {
// All segments have been processed
decode_finished();
@@ -1001,8 +1090,8 @@ void DecodeSignal::decode_proc()
void DecodeSignal::start_srd_session()
{
- uint64_t samplerate;
-
+ // If there were stack changes, the session has been destroyed by now, so if
+ // it hasn't been destroyed, we can just reset and re-use it
if (srd_session_) {
// When a decoder stack was created before, re-use it
// for the next stream of input data, after terminating
@@ -1011,13 +1100,20 @@ void DecodeSignal::start_srd_session()
// and) construction of another decoder stack.
// TODO Reduce redundancy, use a common code path for
- // the meta/cb/start sequence?
+ // the meta/start sequence?
terminate_srd_session();
- srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
- g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
- srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
- DecodeSignal::annotation_callback, this);
+
+ // Metadata is cleared also, so re-set it
+ uint64_t samplerate = 0;
+ if (segments_.size() > 0)
+ samplerate = segments_.at(current_segment_id_).samplerate;
+ if (samplerate)
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate));
+ for (const shared_ptr &dec : stack_)
+ dec->apply_all_options();
srd_session_start(srd_session_);
+
return;
}
@@ -1044,10 +1140,9 @@ void DecodeSignal::start_srd_session()
}
// Start the session
- samplerate = segments_.at(current_segment_id_).samplerate;
- if (samplerate)
+ if (segments_.size() > 0)
srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
- g_variant_new_uint64(samplerate));
+ g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
DecodeSignal::annotation_callback, this);
@@ -1065,8 +1160,19 @@ void DecodeSignal::terminate_srd_session()
// have completed their operation, and reduces response time for
// those stacks which still are processing data while the
// application no longer wants them to.
- if (srd_session_)
+ if (srd_session_) {
srd_session_terminate_reset(srd_session_);
+
+ // Metadata is cleared also, so re-set it
+ uint64_t samplerate = 0;
+ if (segments_.size() > 0)
+ samplerate = segments_.at(current_segment_id_).samplerate;
+ if (samplerate)
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate));
+ for (const shared_ptr &dec : stack_)
+ dec->apply_all_options();
+ }
}
void DecodeSignal::stop_srd_session()
@@ -1075,6 +1181,10 @@ void DecodeSignal::stop_srd_session()
// Destroy the session
srd_session_destroy(srd_session_);
srd_session_ = nullptr;
+
+ // Mark the decoder instances as non-existant since they were deleted
+ for (const shared_ptr &dec : stack_)
+ dec->invalidate_decoder_inst();
}
}
@@ -1108,9 +1218,10 @@ void DecodeSignal::create_decode_segment()
const srd_decoder *const decc = dec->decoder();
assert(dec->decoder());
+ int row_index = 0;
// Add a row for the decoder if it doesn't have a row list
if (!decc->annotation_rows)
- (segments_.back().annotation_rows)[Row(decc)] =
+ (segments_.back().annotation_rows)[Row(row_index++, decc)] =
decode::RowData();
// Add the decoder rows
@@ -1119,7 +1230,7 @@ void DecodeSignal::create_decode_segment()
(srd_decoder_annotation_row *)l->data;
assert(ann_row);
- const Row row(decc, ann_row);
+ const Row row(row_index++, decc, ann_row);
// Add a new empty row data object
(segments_.back().annotation_rows)[row] =
@@ -1136,6 +1247,9 @@ void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signa
DecodeSignal *const ds = (DecodeSignal*)decode_signal;
assert(ds);
+ if (ds->decode_interrupt_)
+ return;
+
lock_guard lock(ds->output_mutex_);
// Find the row
@@ -1157,7 +1271,7 @@ void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signa
row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find((*r).second);
else {
// Failing that, use the decoder as a key
- row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find(Row(decc));
+ row_iter = ds->segments_.at(ds->current_segment_id_).annotation_rows.find(Row(0, decc));
}
if (row_iter == ds->segments_.at(ds->current_segment_id_).annotation_rows.end()) {
@@ -1168,7 +1282,7 @@ void DecodeSignal::annotation_callback(srd_proto_data *pdata, void *decode_signa
}
// Add the annotation
- (*row_iter).second.emplace_annotation(pdata);
+ (*row_iter).second.emplace_annotation(pdata, &((*row_iter).first));
}
void DecodeSignal::on_capture_state_changed(int state)
@@ -1187,6 +1301,12 @@ void DecodeSignal::on_data_cleared()
void DecodeSignal::on_data_received()
{
+ // If we detected a lack of input data when trying to start decoding,
+ // we have set an error message. Only try again if we now have data
+ // to work with
+ if ((!error_message_.isEmpty()) && (get_input_segment_count() == 0))
+ return;
+
if (!logic_mux_thread_.joinable())
begin_decode();
else