4 files changed, 12 insertions, 2 deletions
diff --git a/backends/artnet.c b/backends/artnet.c
index 9fac332..0a1ed11 100644
--- a/backends/artnet.c
+++ b/backends/artnet.c
@@ -164,6 +164,11 @@ static channel* artnet_channel(instance* inst, char* spec, uint8_t flags){
 	}
 	chan_a--;
 
+	//check output capabilities
+	if((flags & mmchannel_output) && !data->dest_len){
+		LOGPF("Channel %s.%s mapped for output, but instance is not configured for output (missing destination)", inst->name, spec);
+	}
+
 	//secondary channel setup
 	if(*spec_next == '+'){
 		chan_b = strtoul(spec_next + 1, NULL, 10);
diff --git a/backends/artnet.h b/backends/artnet.h
index d83999d..ac69b3d 100644
--- a/backends/artnet.h
+++ b/backends/artnet.h
@@ -20,7 +20,7 @@ static int artnet_shutdown(size_t n, instance** inst);
 
 #define ARTNET_KEEPALIVE_INTERVAL 1000
 //limit transmit rate to at most 44 packets per second (1000/44 ~= 22)
-#define ARTNET_FRAME_TIMEOUT 15
+#define ARTNET_FRAME_TIMEOUT 20
 #define ARTNET_SYNTHESIZE_MARGIN 10
 
 #define MAP_COARSE 0x0200
diff --git a/backends/sacn.c b/backends/sacn.c
index 79ffb46..9c7f890 100644
--- a/backends/sacn.c
+++ b/backends/sacn.c
@@ -231,6 +231,11 @@ static channel* sacn_channel(instance* inst, char* spec, uint8_t flags){
 	}
 	chan_a--;
 
+	//check output capabilities
+	if((flags & mmchannel_output) && !data->xmit_prio){
+		LOGPF("Channel %s.%s mapped for output, but instance is not configured for output (no priority set)", inst->name, spec);
+	}
+
 	//if wide channel, mark fine
 	if(*spec_next == '+'){
 		chan_b = strtoul(spec_next + 1, NULL, 10);
diff --git a/backends/sacn.h b/backends/sacn.h
index 4642e59..f2cd49f 100644
--- a/backends/sacn.h
+++ b/backends/sacn.h
@@ -16,7 +16,7 @@ static int sacn_shutdown(size_t n, instance** inst);
 //spec 6.6.2.1
 #define SACN_KEEPALIVE_INTERVAL 1000
 //spec 6.6.1
-#define SACN_FRAME_TIMEOUT 15
+#define SACN_FRAME_TIMEOUT 20
 #define SACN_SYNTHESIZE_MARGIN 10
 #define SACN_DISCOVERY_TIMEOUT 9000
 #define SACN_PDU_MAGIC "ASC-E1.17\0\0\0"