diff options
| author | Arun Raghavan <arun.raghavan@collabora.co.uk> | 2010-12-05 19:03:18 +0530 |
|---|---|---|
| committer | Arun Raghavan <arun.raghavan@collabora.co.uk> | 2010-12-05 19:03:18 +0530 |
| commit | 0317f5e59b4cfeaa56b9a3d356a086a999fb6a1c (patch) | |
| tree | d9e4331f7be0442c857fd562cd1b7b5ea00a17de | |
| parent | 933eba8a03f57376774de50c3fcf8659c9211bfc (diff) | |
volume: 20 dB should be enough for anyone
This limits the maximum gain we perform in software to approximately 20
dB. There does not appear to be a good reason for greater gain, and
clipping to 20 dB can prevent accidentally setting an absurdly large
volume and potential damage to the ears.
| -rw-r--r-- | src/pulse/volume.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/pulse/volume.h b/src/pulse/volume.h index 35128b634..d646a7bc1 100644 --- a/src/pulse/volume.h +++ b/src/pulse/volume.h @@ -113,7 +113,8 @@ typedef uint32_t pa_volume_t; #define PA_VOLUME_MUTED ((pa_volume_t) 0U) /** Maximum valid volume we can store. \since 0.9.15 */ -#define PA_VOLUME_MAX ((pa_volume_t) UINT32_MAX/2) +/* This value corresponds to ~20 dB (of software amplification) */ +#define PA_VOLUME_MAX ((pa_volume_t) 141193) /** Special 'invalid' volume. \since 0.9.16 */ #define PA_VOLUME_INVALID ((pa_volume_t) UINT32_MAX) |