diff options
Diffstat (limited to 'src/pulse/volume.h')
| -rw-r--r-- | src/pulse/volume.h | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/src/pulse/volume.h b/src/pulse/volume.h index 22e5b8a4..e7ceb0d7 100644 --- a/src/pulse/volume.h +++ b/src/pulse/volume.h @@ -26,7 +26,9 @@ ***/ #include <inttypes.h> + #include <pulse/cdecl.h> +#include <pulse/gccmacro.h> #include <pulse/sample.h> /** \page volume Volume Control @@ -101,10 +103,10 @@ PA_C_DECL_BEGIN typedef uint32_t pa_volume_t; /** Normal volume (100%) */ -#define PA_VOLUME_NORM (0x10000) +#define PA_VOLUME_NORM ((pa_volume_t) 0x10000) /** Muted volume (0%) */ -#define PA_VOLUME_MUTED (0) +#define PA_VOLUME_MUTED ((pa_volume_t) 0) /** A structure encapsulating a per-channel volume */ typedef struct pa_cvolume { @@ -149,25 +151,25 @@ int pa_cvolume_channels_equal_to(const pa_cvolume *a, pa_volume_t v) PA_GCC_PURE pa_volume_t pa_sw_volume_multiply(pa_volume_t a, pa_volume_t b) PA_GCC_CONST; /** Multiply to per-channel volumes and return the result in *dest. This is only valid for software volumes! */ -pa_cvolume *pa_sw_cvolume_multiply(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b) PA_GCC_PURE; +pa_cvolume *pa_sw_cvolume_multiply(pa_cvolume *dest, const pa_cvolume *a, const pa_cvolume *b); -/** Convert a decibel value to a volume. This is only valid for software volumes! \since 0.4 */ +/** Convert a decibel value to a volume. This is only valid for software volumes! */ pa_volume_t pa_sw_volume_from_dB(double f) PA_GCC_CONST; -/** Convert a volume to a decibel value. This is only valid for software volumes! \since 0.4 */ +/** Convert a volume to a decibel value. This is only valid for software volumes! */ double pa_sw_volume_to_dB(pa_volume_t v) PA_GCC_CONST; -/** Convert a linear factor to a volume. This is only valid for software volumes! \since 0.8 */ +/** Convert a linear factor to a volume. This is only valid for software volumes! */ pa_volume_t pa_sw_volume_from_linear(double v) PA_GCC_CONST; -/** Convert a volume to a linear factor. This is only valid for software volumes! \since 0.8 */ +/** Convert a volume to a linear factor. This is only valid for software volumes! */ double pa_sw_volume_to_linear(pa_volume_t v) PA_GCC_CONST; #ifdef INFINITY -#define PA_DECIBEL_MININFTY (-INFINITY) +#define PA_DECIBEL_MININFTY ((double) -INFINITY) #else -/** This value is used as minus infinity when using pa_volume_{to,from}_dB(). \since 0.4 */ -#define PA_DECIBEL_MININFTY (-200) +/** This value is used as minus infinity when using pa_volume_{to,from}_dB(). */ +#define PA_DECIBEL_MININFTY ((double) -200) #endif PA_C_DECL_END |