diff options
Diffstat (limited to 'polyp/sample.h')
| -rw-r--r-- | polyp/sample.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/polyp/sample.h b/polyp/sample.h index 25027879..a7cde093 100644 --- a/polyp/sample.h +++ b/polyp/sample.h @@ -25,9 +25,9 @@ #include <inttypes.h> #include <sys/types.h> -#ifdef __cplusplus -extern "C" { -#endif +#include "cdecl.h" + +PA_C_DECL_BEGIN enum pa_sample_format { PA_SAMPLE_U8, @@ -49,10 +49,11 @@ enum pa_sample_format { #endif #define PA_SAMPLE_FLOAT32 PA_SAMPLE_FLOAT32NE +/** A sample format and attribute specification */ struct pa_sample_spec { - enum pa_sample_format format; - uint32_t rate; - uint8_t channels; + enum pa_sample_format format; /**< The sample format */ + uint32_t rate; /**< The sample rate. (e.g. 44100) */ + uint8_t channels; /**< Audio channels. (1 for mono, 2 for stereo, ...) */ }; size_t pa_bytes_per_second(const struct pa_sample_spec *spec); @@ -64,8 +65,10 @@ int pa_sample_spec_equal(const struct pa_sample_spec*a, const struct pa_sample_s #define PA_SAMPLE_SNPRINT_MAX_LENGTH 32 void pa_sample_snprint(char *s, size_t l, const struct pa_sample_spec *spec); -#ifdef __cplusplus -} -#endif +#define PA_VOLUME_NORM (0x100) +#define PA_VOLUME_MUTE (0) +uint32_t pa_volume_multiply(uint32_t a, uint32_t b); + +PA_C_DECL_END #endif |