@@ -769,6 +769,12 @@ extern COSTABLE(32768);

 extern COSTABLE(65536);

 extern COSTABLE_CONST FFTSample* const ff_cos_tabs[17];

+/**

+ * Initializes the cosine table in ff_cos_tabs[index]

+ * \param index index in ff_cos_tabs array of the table to initialize

+ */

+void ff_init_ff_cos_tabs(int index);

+

 extern SINTABLE(16);

 extern SINTABLE(32);

 extern SINTABLE(64);

@@ -61,6 +61,20 @@ static int split_radix_permutation(int i, int n, int inverse)

     else                  return split_radix_permutation(i, m, inverse)*4 - 1;

 }

+av_cold void ff_init_ff_cos_tabs(int index)

+{

+#if !CONFIG_HARDCODED_TABLES

+    int i;

+    int m = 1<<index;

+    double freq = 2*M_PI/m;

+    FFTSample *tab = ff_cos_tabs[index];

+    for(i=0; i<=m/4; i++)

+        tab[i] = cos(i*freq);

+    for(i=1; i<m/4; i++)

+        tab[m/2-i] = tab[i];

+#endif

+}

+

 av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)

 {

     int i, j, m, n;

@@ -96,17 +110,9 @@ av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)

     if (HAVE_MMX)     ff_fft_init_mmx(s);

     if (s->split_radix) {

-#if !CONFIG_HARDCODED_TABLES

         for(j=4; j<=nbits; j++) {

-            int m = 1<<j;

-            double freq = 2*M_PI/m;

-            FFTSample *tab = ff_cos_tabs[j];

-            for(i=0; i<=m/4; i++)

-                tab[i] = cos(i*freq);

-            for(i=1; i<m/4; i++)

-                tab[m/2-i] = tab[i];

+            ff_init_ff_cos_tabs(j);

         }

-#endif

         for(i=0; i<n; i++)

             s->revtab[-split_radix_permutation(i, n, s->inverse) & (n-1)] = i;

         s->tmp_buf = av_malloc(n * sizeof(FFTComplex));

@@ -64,6 +64,7 @@ av_cold int ff_rdft_init(RDFTContext *s, int nbits, enum RDFTransformType trans)

     if (ff_fft_init(&s->fft, nbits-1, trans == IRDFT || trans == RIDFT) < 0)

         return -1;

+    ff_init_ff_cos_tabs(nbits);

     s->tcos = ff_cos_tabs[nbits];

     s->tsin = ff_sin_tabs[nbits]+(trans == RDFT || trans == IRIDFT)*(n>>2);

 #if !CONFIG_HARDCODED_TABLES