commit 6559d36a46cbc72ecb2c055a943ff1d35696533f
author Timothy B. Terriberry <tterribe@xiph.org> Mon Oct 17 14:20:55 2011 -0700
committer Gregory Maxwell <greg@xiph.org> Mon Oct 17 23:31:20 2011 -0400
tree 2adb0f9717409318ddb00cd84ad0a14aae992623
parent f2d6480f90b47ff942b590f7a4194ba381029702

Remove redundant mid-only flag when side VAD flag is set.

If there is activity in a regular, side SILK frame, then it must
 be coded, so we don't need to send a mid-only flag.

silk/dec_API.c

diff --git a/silk/dec_API.c b/silk/dec_API.c
index 9b7bd4a..d979e5b 100644
--- a/silk/dec_API.c
+++ b/silk/dec_API.c
@@ -212,7 +212,7 @@
         {
             silk_stereo_decode_pred( psRangeDec, MS_pred_Q13 );
             /* For LBRR data, decode mid-only flag only if side-channel's LBRR flag is false */
-            if(   lostFlag == FLAG_DECODE_NORMAL ||
+            if( ( lostFlag == FLAG_DECODE_NORMAL && channel_state[ 1 ].VAD_flags[ channel_state[ 0 ].nFramesDecoded ] == 0 ) ||
                 ( lostFlag == FLAG_DECODE_LBRR && channel_state[ 1 ].LBRR_flags[ channel_state[ 0 ].nFramesDecoded ] == 0 ) )
             {
                 silk_stereo_decode_mid_only( psRangeDec, &decode_only_middle );