1 files changed, 4 insertions, 4 deletions

diff --git a/core/applets/vmemo/adpcm.c b/core/applets/vmemo/adpcm.c
index c4dfa50..a123249 100644
--- a/core/applets/vmemo/adpcm.c
+++ b/core/applets/vmemo/adpcm.c
@@ -65,50 +65,50 @@ static int stepsizeTable[89] = {
     337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
     876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
     2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
     5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
     15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
 };
     
 void
 adpcm_coder(indata, outdata, len, state)
     short indata[];
     char outdata[];
     int len;
     struct adpcm_state *state;
 {
             short *inp;                 /* Input buffer pointer */
             signed char *outp;  /* output buffer pointer */
             int val;            /* Current input sample value */
             int sign;           /* Current adpcm sign bit */
             int delta;          /* Current adpcm output value */
             int diff;           /* Difference between val and valprev */
             int step;           /* Stepsize */
             int valpred;        /* Predicted output value */
             int vpdiff;                 /* Current change to valpred */
             int index;          /* Current step change index */
-            int outputbuffer;   /* place to keep previous 4-bit value */
-            int bufferstep;     /* toggle between outputbuffer/output */
+            int outputbuffer = 0;       /* place to keep previous 4-bit value */
+            int bufferstep = 0;         /* toggle between outputbuffer/output */
 
     outp = (signed char *)outdata;
     inp = indata;
 
     valpred = state->valprev;
     index = state->index;
     step = stepsizeTable[index];
     
     bufferstep = 1;
 
     for ( ; len > 0 ; len-- ) {
         val = *inp++;
 
         /* Step 1 - compute difference with previous value */
         diff = val - valpred;
         sign = (diff < 0) ? 8 : 0;
         if ( sign ) diff = (-diff);
 
         /* Step 2 - Divide and clamp */
         /* Note:
         ** This code *approximately* computes:
         **    delta = diff*4/step;
         **    vpdiff = (delta+0.5)*step/4;
         ** but in shift step bits are dropped. The net result of this is
@@ -166,50 +166,50 @@ adpcm_coder(indata, outdata, len, state)
 
     /* Output last step, if needed */
     if ( !bufferstep )
       *outp++ = outputbuffer;
     
     state->valprev = valpred;
     state->index = index;
 }
 
 void
 adpcm_decoder(indata, outdata, len, state)
     char indata[];
     short outdata[];
     int len;
     struct adpcm_state *state;
 {
             signed char *inp;   /* Input buffer pointer */
             short *outp;        /* output buffer pointer */
             int sign;           /* Current adpcm sign bit */
             int delta;          /* Current adpcm output value */
             int step;           /* Stepsize */
             int valpred;        /* Predicted value */
             int vpdiff;                 /* Current change to valpred */
             int index;          /* Current step change index */
-            int inputbuffer;    /* place to keep next 4-bit value */
-            int bufferstep;     /* toggle between inputbuffer/input */
+            int inputbuffer = 0;        /* place to keep next 4-bit value */
+            int bufferstep = 0;         /* toggle between inputbuffer/input */
 
     outp = outdata;
     inp = (signed char *)indata;
 
     valpred = state->valprev;
     index = state->index;
     step = stepsizeTable[index];
 
     bufferstep = 0;
     
     for ( ; len > 0 ; len-- ) {
         
         /* Step 1 - get the delta value */
         if ( bufferstep ) {
             delta = inputbuffer & 0xf;
         } else {
             inputbuffer = *inp++;
             delta = (inputbuffer >> 4) & 0xf;
         }
         bufferstep = !bufferstep;
 
         /* Step 2 - Find new index value (for later) */
         index += indexTable[delta];
         if ( index < 0 ) index = 0;