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| author | Lennart Poettering <lennart@poettering.net> | 2004-06-29 20:37:24 +0000 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2004-06-29 20:37:24 +0000 |
| commit | d571be6f5109ff5b256e4c14f391c916264f0a8e (patch) | |
| tree | 6d0a90457b7f807fbd9f2b187240ab78f7c32637 /src/sample-util.h | |
| parent | e31bac02573cc3090cac5816bea62a2fea888399 (diff) | |
volume work
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@42 fefdeb5f-60dc-0310-8127-8f9354f1896f
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 |