X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=inline;f=mixer.cpp;h=ce00bd41a3454fbfaa579349fa4f4b75c59a6beb;hb=2d4fd36955368bc01092a9698314ff404693b105;hp=9c07dc5002b09c6d9cf6b99648e889c0c9b93b37;hpb=cfff356a1739a0ed600c34e2de7eb64150ddf94d;p=nageru

diff --git a/mixer.cpp b/mixer.cpp
index 9c07dc5..ce00bd4 100644
--- a/mixer.cpp
+++ b/mixer.cpp
@@ -729,7 +729,9 @@ void Mixer::bm_frame(unsigned card_index, uint16_t timecode,
 		} while (!success);
 	}
 
-	audio_mixer.add_audio(device, audio_frame.data + audio_offset, num_samples, audio_format, frame_length, audio_frame.received_timestamp);
+	if (num_samples > 0) {
+		audio_mixer.add_audio(device, audio_frame.data + audio_offset, num_samples, audio_format, frame_length, audio_frame.received_timestamp);
+	}
 
 	// Done with the audio, so release it.
 	if (audio_frame.owner) {