1 files changed, 3 insertions, 0 deletions
diff --git a/src/channel.h b/src/channel.h
index 7aadc3c..2484d92 100644
--- a/src/channel.h
+++ b/src/channel.h
@@ -32,6 +32,9 @@
 
 #include "audio.h"
 
+#define ALL_CHANNELS ((channel_t)0xffffffff)
+#define NO_CHANNEL ((channel_t)0xfffffffe)
+
 class Channel {
 public:
   Channel(std::string name = "");