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Commit 14cbfcae authored by Eric Laurent's avatar Eric Laurent
Browse files

audio policy: fix HW A/V sync rerouting 

Do not allow HW A/V sync tracks to be attached
to a PCM mixer as those tracks carry time stamps in band.

Cherry pick of c576f6a0 from lmp-mr1-tv-dev.

Bug: 25293500.

Change-Id: I1f080232e439a410ded25ca8e461113a96687a3b
parent b53ab34b

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

+7 −0
Original line number Diff line number Diff line
@@ -954,6 +954,13 @@ audio_io_handle_t AudioPolicyManager::getOutputForDevice( 
    }



non_direct_output:



    // A request for HW A/V sync cannot fallback to a mixed output because time

    // stamps are embedded in audio data

    if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) {

        return AUDIO_IO_HANDLE_NONE;

    }



    // ignoring channel mask due to downmix capability in mixer



    // open a non direct output