X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fdata%2Fanalogsegment.cpp;h=73a3084dde3c1b8afdb2df57f8c24d7eb24003e0;hb=5cb28675542489f9c694b0002ec27694073e9687;hp=6dc2b915b30c4683f766bf97da4f662c44a9c07d;hpb=b21501d694e68a8c41ea1b7bd1fecd7c7a70eadd;p=pulseview.git

diff --git a/pv/data/analogsegment.cpp b/pv/data/analogsegment.cpp
index 6dc2b915..73a3084d 100644
--- a/pv/data/analogsegment.cpp
+++ b/pv/data/analogsegment.cpp
@@ -48,8 +48,8 @@ const int AnalogSegment::EnvelopeScaleFactor = 1 << EnvelopeScalePower;
 const float AnalogSegment::LogEnvelopeScaleFactor = logf(EnvelopeScaleFactor);
 const uint64_t AnalogSegment::EnvelopeDataUnit = 64 * 1024;	// bytes
 
-AnalogSegment::AnalogSegment(Analog& owner, uint64_t samplerate) :
-	Segment(samplerate, sizeof(float)),
+AnalogSegment::AnalogSegment(Analog& owner, uint32_t segment_id, uint64_t samplerate) :
+	Segment(segment_id, samplerate, sizeof(float)),
 	owner_(owner),
 	min_value_(0),
 	max_value_(0)
@@ -75,7 +75,7 @@ void AnalogSegment::append_interleaved_samples(const float *data,
 	uint64_t prev_sample_count = sample_count_;
 
 	// Deinterleave the samples and add them
-	unique_ptr<float> deint_data(new float[sample_count]);
+	unique_ptr<float[]> deint_data(new float[sample_count]);
 	float *deint_data_ptr = deint_data.get();
 	for (uint32_t i = 0; i < sample_count; i++) {
 		*deint_data_ptr = (float)(*data);
@@ -178,6 +178,7 @@ void AnalogSegment::append_payload_to_envelope_levels()
 	e0.length = sample_count_ / EnvelopeScaleFactor;
 
 	// Calculate min/max values in case we have too few samples for an envelope
+	const float old_min_value = min_value_, old_max_value = max_value_;
 	if (sample_count_ < EnvelopeScaleFactor) {
 		it = begin_raw_sample_iteration(0);
 		for (uint64_t i = 0; i < sample_count_; i++) {
@@ -257,6 +258,10 @@ void AnalogSegment::append_payload_to_envelope_levels()
 			*dest_ptr = sub_sample;
 		}
 	}
+
+	// Notify if the min or max value changed
+	if ((old_min_value != min_value_) || (old_max_value != max_value_))
+		owner_.min_max_changed(min_value_, max_value_);
 }
 
 } // namespace data