Pass more detailed audio hardware configuration information to the renderer

media/base/channel_layout.cc

Index: media/base/channel_layout.cc
===================================================================
--- media/base/channel_layout.cc	(revision 186233)
+++ media/base/channel_layout.cc	(working copy)
@@ -39,6 +39,7 @@
     7,   // CHANNEL_LAYOUT_7_0_FRONT
     8,   // CHANNEL_LAYOUT_7_1_WIDE_BACK
     8,   // CHANNEL_LAYOUT_OCTAGONAL
+    0,   // CHANNEL_LAYOUT_DISCRETE
 };
 
 // The channel orderings for each layout as specified by FFmpeg.  Each value
@@ -141,6 +142,9 @@
     // CHANNEL_LAYOUT_OCTAGONAL
     {  0  , 1  , 2  , -1  , 5  , 6  , -1    , -1    ,  7 , 3  ,  4 },
 
+    // CHANNEL_LAYOUT_DISCRETE
+    {  -1 , -1 , -1 , -1  , -1 , -1 , -1    , -1    , -1 , -1 , -1 },
+
     // FL | FR | FC | LFE | BL | BR | FLofC | FRofC | BC | SL | SR
 };