diff options
| -rw-r--r-- | output_example.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/output_example.c b/output_example.c index 42153f1103..beef610904 100644 --- a/output_example.c +++ b/output_example.c @@ -26,6 +26,10 @@ #include <stdio.h> #include <math.h> +#ifndef M_PI +#define M_PI 3.1415926535897931 +#endif + #include "avformat.h" /* 5 seconds stream duration */ |