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Commit ccd8e4a9 authored by Jean-Michel Trivi's avatar Jean-Michel Trivi
Browse files

Audio policy: new media volume curve for speaker with DRC 

For devices with DRC on speaker (using the flag "speaker_drc_enabled"
 in audio_policy.conf), set the speaker media volume to use a
 new curve with more aggressive attenuation in the upper range.

Bug 15318604

Change-Id: Ia5fb9fdd608fddad22fadfb1065d35574030bb52
parent f3e7f11f

services/audiopolicy/AudioPolicyManager.cpp

+7 −0
Original line number Diff line number Diff line
@@ -4020,6 +4020,11 @@ const AudioPolicyManager::VolumeCurvePoint 
    {1, -56.0f}, {20, -34.0f}, {60, -11.0f}, {100, 0.0f}

};



const AudioPolicyManager::VolumeCurvePoint

    AudioPolicyManager::sSpeakerMediaVolumeCurveDrc[AudioPolicyManager::VOLCNT] = {

    {1, -56.0f}, {20, -34.0f}, {86, -10.0f}, {100, 0.0f}

};



const AudioPolicyManager::VolumeCurvePoint

    AudioPolicyManager::sSpeakerSonificationVolumeCurve[AudioPolicyManager::VOLCNT] = {

    {1, -29.7f}, {33, -20.1f}, {66, -10.2f}, {100, 0.0f}
@@ -4134,6 +4139,8 @@ void AudioPolicyManager::initializeVolumeCurves() 
                sSpeakerSonificationVolumeCurveDrc;

        mStreams[AUDIO_STREAM_NOTIFICATION].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =

                sSpeakerSonificationVolumeCurveDrc;

        mStreams[AUDIO_STREAM_MUSIC].mVolumeCurve[DEVICE_CATEGORY_SPEAKER] =

                sSpeakerMediaVolumeCurveDrc;

    }

}

services/audiopolicy/AudioPolicyManager.h

+1 −0
Original line number Diff line number Diff line
@@ -360,6 +360,7 @@ protected: 
        static const VolumeCurvePoint sDefaultMediaVolumeCurve[AudioPolicyManager::VOLCNT];

        // volume curve for media strategy on speakers

        static const VolumeCurvePoint sSpeakerMediaVolumeCurve[AudioPolicyManager::VOLCNT];

        static const VolumeCurvePoint sSpeakerMediaVolumeCurveDrc[AudioPolicyManager::VOLCNT];

        // volume curve for sonification strategy on speakers

        static const VolumeCurvePoint sSpeakerSonificationVolumeCurve[AudioPolicyManager::VOLCNT];

        static const VolumeCurvePoint sSpeakerSonificationVolumeCurveDrc[AudioPolicyManager::VOLCNT];