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Make av_build_filter static (and remove av_): It is not used outside resample2.c. 

Originally committed as revision 22118 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Carl Eugen Hoyos 2010-02-28 19:58:26 +00:00
parent 406aa93fd0
commit a882cf9c21
1 changed files with 2 additions and 2 deletions
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4
libavcodec/resample2.c
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@ -95,7 +95,7 @@ static double bessel(double x){
* @param scale wanted sum of coefficients for each filter * @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 * @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; int ph, i;
double x, y, w, tab[tap_count]; double x, y, w, tab[tap_count];
const int center= (tap_count-1)/2; 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_length= FFMAX((int)ceil(filter_size/factor), 1);
c->filter_bank= av_mallocz(c->filter_length*(phase_count+1)*sizeof(FELEM)); 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)); 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]; c->filter_bank[c->filter_length*phase_count]= c->filter_bank[c->filter_length - 1];