X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Faudioodevice.C;h=e4f2cd01c67cd7c08a756a51b5f27679b0979bfd;hb=9e3d90a964c0fbe97c0b58235336a47111932d5d;hp=2beb4c8c69de58570712671ca5afab572c782e92;hpb=bb755e4be7602e9e2705fdb49a76e49dbb2c5008;p=goodguy%2Fcinelerra.git

diff --git a/cinelerra-5.1/cinelerra/audioodevice.C b/cinelerra-5.1/cinelerra/audioodevice.C
index 2beb4c8c..e4f2cd01 100644
--- a/cinelerra-5.1/cinelerra/audioodevice.C
+++ b/cinelerra-5.1/cinelerra/audioodevice.C
@@ -375,11 +375,15 @@ void AudioDevice::run_output()
 		output_buffer_t *obfr = &output[buffer_num];
 		obfr->play_lock->lock("AudioDevice::run 1");
 		if( !is_playing_back || playback_interrupted ) break;
-		if( obfr->last_buffer ) { lowlevel_out->flush_device(); break; }
+		if( obfr->last_buffer ) {
+			if( lowlevel_out ) lowlevel_out->flush_device();
+			break;
+		}
 // get size for position information
 // write converted buffer synchronously
 		double bfr_time = obfr->bfr_time;
-		int result = lowlevel_out->write_buffer(obfr->buffer, obfr->size);
+		int result = !lowlevel_out ? -1 :
+			lowlevel_out->write_buffer(obfr->buffer, obfr->size);
 // allow writing to the buffer
 		obfr->arm_lock->unlock();
 		if( !result ) {