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| author | Eric Laurent <elaurent@google.com> | 2015-03-18 18:30:19 -0700 |
|---|---|---|
| committer | Eric Laurent <elaurent@google.com> | 2015-04-08 18:08:24 -0700 |
| commit | ffbc80f5908eaf67a033c6e93a343c39dd6894eb (patch) | |
| tree | c97aa681b8c70d7429f7be93f851f04e9dee5900 /services/audiopolicy/engine | |
| parent | c75307b73d324d590d0dbc05b44bce9aa89b7145 (diff) | |
| download | frameworks_av-ffbc80f5908eaf67a033c6e93a343c39dd6894eb.zip frameworks_av-ffbc80f5908eaf67a033c6e93a343c39dd6894eb.tar.gz frameworks_av-ffbc80f5908eaf67a033c6e93a343c39dd6894eb.tar.bz2 | |
audio policy: volume in dBs
Volumes are now stored and exchanged in dBs to be
consistent with the volume tables.
They are converted if needed when applied to the target
gain controller.
Change-Id: I916cbb0bbe65c916444b8c65a2bdca9645c58399
Diffstat (limited to 'services/audiopolicy/engine')
| -rwxr-xr-x | services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h b/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h index eadaa77..db0573f 100755 --- a/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h +++ b/services/audiopolicy/engine/interface/AudioPolicyManagerInterface.h @@ -134,16 +134,16 @@ public: audio_policy_dev_state_t state) = 0; /** - * Translate a volume index given by the UI to an amplification value for a stream type + * Translate a volume index given by the UI to an amplification value in dB for a stream type * and a device category. * * @param[in] deviceCategory for which the conversion is requested. * @param[in] stream type for which the conversion is requested. * @param[in] indexInUi index received from the UI to be translated. * - * @return amplification value matching the UI index for this given device and stream. + * @return amplification value in dB matching the UI index for this given device and stream. */ - virtual float volIndexToAmpl(Volume::device_category deviceCategory, audio_stream_type_t stream, + virtual float volIndexToDb(Volume::device_category deviceCategory, audio_stream_type_t stream, int indexInUi) = 0; /** |