X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fdata%2Fdecodesignal.cpp;h=5fbc8b6ca630bab38093f61f4a3e230feea366d2;hb=b10b58f40fd9c71f1a8b020077ecda65cebc578c;hp=eb7a0d3b78557f413ba10a57fdf477681a13c75f;hpb=85a702806a15852f3684645dffdc38cb30274481;p=pulseview.git

diff --git a/pv/data/decodesignal.cpp b/pv/data/decodesignal.cpp
index eb7a0d3..5fbc8b6 100644
--- a/pv/data/decodesignal.cpp
+++ b/pv/data/decodesignal.cpp
@@ -978,6 +978,8 @@ void DecodeSignal::decode_proc()
 
 void DecodeSignal::start_srd_session()
 {
+	uint64_t samplerate;
+
 	if (srd_session_)
 		stop_srd_session();
 
@@ -993,6 +995,7 @@ void DecodeSignal::start_srd_session()
 		if (!di) {
 			error_message_ = tr("Failed to create decoder instance");
 			srd_session_destroy(srd_session_);
+			srd_session_ = nullptr;
 			return;
 		}
 
@@ -1003,8 +1006,10 @@ void DecodeSignal::start_srd_session()
 	}
 
 	// Start the session
-	srd_session_metadata_set(srd_session_, SRD_CONF_SAMPLERATE,
-		g_variant_new_uint64(segments_.at(current_segment_id_).samplerate));
+	samplerate = segments_.at(current_segment_id_).samplerate;
+	if (samplerate)
+		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);
@@ -1035,7 +1040,7 @@ void DecodeSignal::connect_input_notifiers()
 		const data::SignalBase *signal = ch.assigned_signal;
 		connect(signal, SIGNAL(samples_cleared()),
 			this, SLOT(on_data_cleared()));
-		connect(signal, SIGNAL(samples_added(QObject*, uint64_t, uint64_t)),
+		connect(signal, SIGNAL(samples_added(uint64_t, uint64_t, uint64_t)),
 			this, SLOT(on_data_received()));
 	}
 }