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Use M_PI from libavutil/mathematics.h instead of defining PI ourselves 

in libavcodec/apiexample.c.

Originally committed as revision 15520 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2008-10-02 16:29:15 +00:00
parent 19998314cd
commit 14660b0814
1 changed files with 2 additions and 4 deletions
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6
libavcodec/apiexample.c
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@ -30,15 +30,13 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#define PI 3.14159265358979323846
#ifdef HAVE_AV_CONFIG_H
#undef HAVE_AV_CONFIG_H
#endif
#include "avcodec.h"
#include "libavutil/mathematics.h"
#define INBUF_SIZE 4096
@ -91,7 +89,7 @@ void audio_encode_example(const char *filename)
/* encode a single tone sound */
t = 0;
tincr = 2 * PI * 440.0 / c->sample_rate;
tincr = 2 * M_PI * 440.0 / c->sample_rate;
for(i=0;i<200;i++) {
for(j=0;j<frame_size;j++) {
samples[2*j] = (int)(sin(t) * 10000);