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-rw-r--r--libavcodec/resample2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/resample2.c b/libavcodec/resample2.c
index 52769836e0..695f51ec15 100644
--- a/libavcodec/resample2.c
+++ b/libavcodec/resample2.c
@@ -95,7 +95,7 @@ static double bessel(double x){
* @param scale wanted sum of coefficients for each filter
* @param type 0->cubic, 1->blackman nuttall windowed sinc, 2..16->kaiser windowed sinc beta=2..16
*/
-void av_build_filter(FELEM *filter, double factor, int tap_count, int phase_count, int scale, int type){
+static void build_filter(FELEM *filter, double factor, int tap_count, int phase_count, int scale, int type){
int ph, i;
double x, y, w, tab[tap_count];
const int center= (tap_count-1)/2;
@@ -189,7 +189,7 @@ AVResampleContext *av_resample_init(int out_rate, int in_rate, int filter_size,
c->filter_length= FFMAX((int)ceil(filter_size/factor), 1);
c->filter_bank= av_mallocz(c->filter_length*(phase_count+1)*sizeof(FELEM));
- av_build_filter(c->filter_bank, factor, c->filter_length, phase_count, 1<<FILTER_SHIFT, WINDOW_TYPE);
+ build_filter(c->filter_bank, factor, c->filter_length, phase_count, 1<<FILTER_SHIFT, WINDOW_TYPE);
memcpy(&c->filter_bank[c->filter_length*phase_count+1], c->filter_bank, (c->filter_length-1)*sizeof(FELEM));
c->filter_bank[c->filter_length*phase_count]= c->filter_bank[c->filter_length - 1];