@@ -53,6 +53,9 @@ COSTABLE_CONST FFTSample * const ff_cos_tabs[] = {

     ff_cos_2048, ff_cos_4096, ff_cos_8192, ff_cos_16384, ff_cos_32768, ff_cos_65536,

 };

+static void ff_fft_permute_c(FFTContext *s, FFTComplex *z);

+static void ff_fft_calc_c(FFTContext *s, FFTComplex *z);

+

 static int split_radix_permutation(int i, int n, int inverse)

 {

     int m;

@@ -120,7 +123,7 @@ av_cold int ff_fft_init(FFTContext *s, int nbits, int inverse)

     return -1;

 }

-void ff_fft_permute_c(FFTContext *s, FFTComplex *z)

+static void ff_fft_permute_c(FFTContext *s, FFTComplex *z)

 {

     int j, np;

     const uint16_t *revtab = s->revtab;

@@ -289,7 +292,7 @@ static void (* const fft_dispatch[])(FFTComplex*) = {

     fft2048, fft4096, fft8192, fft16384, fft32768, fft65536,

 };

-void ff_fft_calc_c(FFTContext *s, FFTComplex *z)

+static void ff_fft_calc_c(FFTContext *s, FFTComplex *z)

 {

     fft_dispatch[s->nbits-2](z);

 }

@@ -106,8 +106,6 @@ extern SINTABLE(65536);

  * @param inverse         if 0 perform the forward transform, if 1 perform the inverse

  */

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

-void ff_fft_permute_c(FFTContext *s, FFTComplex *z);

-void ff_fft_calc_c(FFTContext *s, FFTComplex *z);

 void ff_fft_init_altivec(FFTContext *s);

 void ff_fft_init_mmx(FFTContext *s);