Document the PS_BASELINE define.

Originally committed as revision 23659 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/ps.c b/libavcodec/ps.c
index 2010f00..7659c1d 100644 (file)
--- a/libavcodec/ps.c
+++ b/libavcodec/ps.c
@@ -27,7 +27,9 @@
 #include "ps_tablegen.h"
 #include "psdata.c"
 
-#define PS_BASELINE 0
+#define PS_BASELINE 0  //< Operate in Baseline PS mode
+                       //< Baseline implies 10 or 20 stereo bands,
+                       //< mixing mode A, and no ipd/opd
 
 #define numQMFSlots 32 //numTimeSlots * RATE