diff options
Diffstat (limited to 'src/sample-util.h')
| -rw-r--r-- | src/sample-util.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/sample-util.h b/src/sample-util.h index 0a3f7c89..2f2539d0 100644 --- a/src/sample-util.h +++ b/src/sample-util.h @@ -8,16 +8,23 @@ extern struct pa_sample_spec default_sample_spec; +#define VOLUME_NORM (0x100) +#define VOLUME_MUTE (0) + struct memblock *silence_memblock(struct memblock* b, struct pa_sample_spec *spec); void silence_memchunk(struct memchunk *c, struct pa_sample_spec *spec); void silence_memory(void *p, size_t length, struct pa_sample_spec *spec); struct mix_info { struct memchunk chunk; - uint8_t volume; + uint32_t volume; void *userdata; }; -size_t mix_chunks(struct mix_info channels[], unsigned nchannels, void *data, size_t length, struct pa_sample_spec *spec, uint8_t volume); +size_t mix_chunks(struct mix_info channels[], unsigned nchannels, void *data, size_t length, struct pa_sample_spec *spec, uint32_t volume); + +void volume_memchunk(struct memchunk*c, struct pa_sample_spec *spec, uint32_t volume); + +uint32_t volume_multiply(uint32_t a, uint32_t b); #endif |