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Commit 9323d8bb authored by Alexy Joseph's avatar Alexy Joseph
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policy_hal: Support vr audio concurrency 

Add support for falling back of VOIP using
FAST + RAW flags to primary output when VR
is going on. This is used to prevent
VOIP from having reverb enabled on it.
Other apps using FAST + RAW are expected
to honor focus

CRs-Fixed: 1099039
Change-Id: Idb2f0d4981b60b1cf8cc0836cb84d38803308ab4
parent 140f558c

policy_hal/AudioPolicyManager.cpp

+20 −0
Original line number Diff line number Diff line
@@ -1593,6 +1593,7 @@ audio_io_handle_t AudioPolicyManagerCustom::getOutputForDevice( 
        // requested sample rate matches with that of voip input stream (if opened already)

        int value = 0;

        uint32_t mode = 0, voipOutCount = 1, voipSampleRate = 1;

        bool is_vr_mode_on = false;

        String8 valueStr = mpClientInterface->getParameters((audio_io_handle_t)0,

                                                           String8("audio_mode"));

        AudioParameter result = AudioParameter(valueStr);
@@ -1627,6 +1628,25 @@ audio_io_handle_t AudioPolicyManagerCustom::getOutputForDevice( 
                }

            }

        }

        //IF VOIP is going to be started at the same time as when

        //vr is enabled, get VOIP to fallback to low latency

        String8 vr_value;

        valueStr =  mpClientInterface->getParameters((audio_io_handle_t)0,

                                              String8("vr_audio_mode_on"));

        result = AudioParameter(valueStr);

        if (result.get(String8("vr_audio_mode_on"), vr_value) == NO_ERROR) {

            is_vr_mode_on = vr_value.contains("true");

            ALOGI("VR mode is %d, switch to primary output if request is for fast|raw",

                is_vr_mode_on);

        }



        if (is_vr_mode_on) {

             //check the flags being requested for, and clear FAST|RAW

            flags = (audio_output_flags_t)(flags &

                (~(AUDIO_OUTPUT_FLAG_FAST|AUDIO_OUTPUT_FLAG_RAW)));



        }



    }



#ifdef VOICE_CONCURRENCY