X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=mlt%2Fsrc%2Fmodules%2Fcore%2Ftransition_mix.c;h=fda1d1a80be571f860cd69dd22b61eed3a333ffc;hb=632e745ce62c96c1efc31d66067586fda8e939e0;hp=4d32de759e9413109909bbff8dc8c9f82c898550;hpb=8691b6464c35a77ae001b9843891a90dd9fd3d50;p=melted

diff --git a/mlt/src/modules/core/transition_mix.c b/mlt/src/modules/core/transition_mix.c
index 4d32de7..fda1d1a 100644
--- a/mlt/src/modules/core/transition_mix.c
+++ b/mlt/src/modules/core/transition_mix.c
@@ -42,7 +42,9 @@ static int transition_get_audio( mlt_frame frame, int16_t **buffer, mlt_audio_fo
 	// Restore the original get_audio
 	frame->get_audio = mlt_properties_get_data( a_props, "mix.get_audio", NULL );
 
-	double mix = mlt_properties_get_double( b_props, "audio.mix" );
+	double mix = 0.5;
+	if ( mlt_properties_get( b_props, "audio.mix" ) != NULL )
+		mix = mlt_properties_get_double( b_props, "audio.mix" );
 	mlt_frame_mix_audio( frame, b_frame, mix, buffer, format, frequency, channels, samples );
 
 	// Push the b_frame back on for get_image