diff options
Diffstat (limited to 'libavcodec/apiexample.c')
| -rw-r--r-- | libavcodec/apiexample.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/apiexample.c b/libavcodec/apiexample.c index 484c778764..2ddaeb1d52 100644 --- a/libavcodec/apiexample.c +++ b/libavcodec/apiexample.c @@ -32,6 +32,8 @@ #include <string.h> #include <math.h> +#define PI 3.14159265358979323846 + #ifdef HAVE_AV_CONFIG_H #undef HAVE_AV_CONFIG_H #endif @@ -89,7 +91,7 @@ void audio_encode_example(const char *filename) /* encode a single tone sound */ t = 0; - tincr = 2 * M_PI * 440.0 / c->sample_rate; + tincr = 2 * 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); |