X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdata%2Flogicsnapshot.cpp;h=d32274b3322cb4b02808343dad61f92afee57774;hp=f77690e137d6ced0a17b3f54ba0edf18f3ee1b9d;hb=ed990f118d154cd487261d23986b7ad0ba4e24fe;hpb=e31551da587f1c67e3e67364b73a33fc40bf13c2

diff --git a/pv/data/logicsnapshot.cpp b/pv/data/logicsnapshot.cpp
index f77690e1..d32274b3 100644
--- a/pv/data/logicsnapshot.cpp
+++ b/pv/data/logicsnapshot.cpp
@@ -70,6 +70,22 @@ void LogicSnapshot::append_payload(
 	append_payload_to_mipmap();
 }
 
+void LogicSnapshot::get_samples(uint8_t *const data,
+	int64_t start_sample, int64_t end_sample) const
+{
+	assert(data);
+	assert(start_sample >= 0);
+	assert(start_sample < (int64_t)_sample_count);
+	assert(end_sample >= 0);
+	assert(end_sample < (int64_t)_sample_count);
+	assert(start_sample <= end_sample);
+
+	lock_guard<recursive_mutex> lock(_mutex);
+
+	const size_t size = (end_sample - start_sample) * _unit_size;
+	memcpy(data, (const uint8_t*)_data + start_sample, size);
+}
+
 void LogicSnapshot::reallocate_mipmap_level(MipMapLevel &m)
 {
 	const uint64_t new_data_length = ((m.length + MipMapDataUnit - 1) /