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Merge pull request #27 from krabiswabbie/master

Memory allocations redefined

--- a/libfaac/blockswitch.c

+++ b/libfaac/blockswitch.c

@@ -271,14 +271,13 @@

 // imported from filtbank.c

 static void mdct( FFT_Tables *fft_tables, double *data, int N )

 {

-    double *xi, *xr;

     double tempr, tempi, c, s, cold, cfreq, sfreq; /* temps for pre and post twiddle */

     double freq = 2.0 * M_PI / N;

     double cosfreq8, sinfreq8;

     int i, n;

-    xi = (double*)AllocMemory((N >> 2)*sizeof(double));

-    xr = (double*)AllocMemory((N >> 2)*sizeof(double));

+    double xi[BLOCK_LEN_LONG / 2];

+    double xr[BLOCK_LEN_LONG / 2];

     /* prepare for recurrence relation in pre-twiddle */

     cfreq = cos (freq);

@@ -342,9 +341,6 @@

         c = c * cfreq - s * sfreq;

         s = s * cfreq + cold * sfreq;

     }

-

-    if (xr) FreeMemory(xr);

-    if (xi) FreeMemory(xi);

 }