diff options
Diffstat (limited to 'polyp/sample.h')
-rw-r--r-- | polyp/sample.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/polyp/sample.h b/polyp/sample.h index 95844301..4b28780d 100644 --- a/polyp/sample.h +++ b/polyp/sample.h @@ -24,6 +24,7 @@ #include <inttypes.h> #include <sys/types.h> +#include <math.h> #include "cdecl.h" @@ -108,6 +109,13 @@ pa_volume_t pa_volume_from_dB(double f); /** Convert volume from linear level to decibel. \since 0.4 */ double pa_volume_to_dB(pa_volume_t v); +#ifdef INFINITY +#define PA_DECIBEL_MININFTY -INFINITY +#else +/** This value is used as minus infinity when using pa_volume_{to,from}_dB(). \since 0.4 */ +#define PA_DECIBEL_MININFTY -200 +#endif + PA_C_DECL_END #endif |