+ if (!di) {
+ error_message_ = tr("Failed to create decoder instance");
+ srd_session_destroy(srd_session_);
+ return;
+ }
+
+ if (prev_di)
+ srd_inst_stack(srd_session_, prev_di, di);
+
+ prev_di = di;
+ }
+
+ // Start the session
+ srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
+ g_variant_new_uint64(samplerate_));
+
+ srd_pd_output_callback_add(srd_session_, SRD_OUTPUT_ANN,
+ DecodeSignal::annotation_callback, this);
+
+ srd_session_start(srd_session_);
+ }
+}
+
+void DecodeSignal::stop_srd_session()
+{
+ if (srd_session_) {
+ // Destroy the session
+ srd_session_destroy(srd_session_);
+ srd_session_ = nullptr;
+ }
+}
+
+void DecodeSignal::connect_input_notifiers()
+{
+ // Disconnect the notification slot from the previous set of signals
+ disconnect(this, SLOT(on_data_received()));
+
+ // Connect the currently used signals to our slot
+ for (data::DecodeChannel &ch : channels_) {
+ if (!ch.assigned_signal)
+ continue;
+
+ shared_ptr<Logic> logic_data = ch.assigned_signal->logic_data();
+ connect(logic_data.get(), SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+ this, SLOT(on_data_received()));
+ }