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ref: 413f70232a49aea34179423fb259a94e884a39a5
parent: 998f125c59d520e635fcac67f95389db719ac0be
author: Gyedo Jeon <Gyedo.Jeon@disney.com>
date: Tue Jul 14 09:46:43 EDT 2015 

ima-adpcm: use correct initial value when encoding multiple channels


--- a/src/ima_rw.c
+++ b/src/ima_rw.c
@@ -260,7 +260,7 @@
                 int low,hi,w;
                 int low0,hi0;
                 snext = s0;
-                d0 = ImaMashS(ch, chans, ip[0], ip,n,&snext, NULL);
+                d0 = ImaMashS(ch, chans, ip[ch], ip,n,&snext, NULL);
 
                 w = 0;
                 low=hi=s0;
@@ -270,7 +270,7 @@
                         if (!w && low>low0) {
                                 int d2;
                                 snext = --low;
-                                d2 = ImaMashS(ch, chans, ip[0], ip,n,&snext, NULL);
+                                d2 = ImaMashS(ch, chans, ip[ch], ip,n,&snext, NULL);
                                 if (d2<d0) {
                                         d0=d2; s0=low;
                                         low0 = low-opt; if (low0<0) low0=0;
@@ -280,7 +280,7 @@
                         if (w && hi<hi0) {
                                 int d2;
                                 snext = ++hi;
-                                d2 = ImaMashS(ch, chans, ip[0], ip,n,&snext, NULL);
+                                d2 = ImaMashS(ch, chans, ip[ch], ip,n,&snext, NULL);
                                 if (d2<d0) {
                                         d0=d2; s0=hi;
                                         low0 = hi-opt; if (low0<0) low0=0;
@@ -291,7 +291,7 @@
                 }
                 *st = s0;
         }
-        ImaMashS(ch, chans, ip[0], ip,n,st, obuff);
+        ImaMashS(ch, chans, ip[ch], ip,n,st, obuff);
 }
 
 /* mash one block.  if you want to use opt>0, 9 is a reasonable value */