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Commit 690895cf authored by Yin-Chia Yeh's avatar Yin-Chia Yeh
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cameraservice: decrease zsl metadata queue size by 1 

Zsl buffer needs to be longer than metadata queue to ensure that
oldest metadata can always find a match in buffer queue.
Since we don't want to add memory overhead, decrease metadata
queue size by one serves the same purpose.

bug 17264283

Change-Id: Ic53441cc29c98e57d3345f5845d92839d0ce6faf
parent 9dd4a2dd

services/camera/libcameraservice/api1/client2/ZslProcessor3.cpp

+6 −2
Original line number Diff line number Diff line
@@ -78,8 +78,12 @@ ZslProcessor3::ZslProcessor3( 


    ALOGV("%s: Initialize buffer queue and frame list depth based on max pipeline depth (%d)",

          __FUNCTION__, pipelineMaxDepth);

    mBufferQueueDepth = pipelineMaxDepth + 1;

    mFrameListDepth = pipelineMaxDepth + 1;

    // Need to keep buffer queue longer than metadata queue because sometimes buffer arrives

    // earlier than metadata which causes the buffer corresponding to oldest metadata being

    // removed.

    mFrameListDepth = pipelineMaxDepth;

    mBufferQueueDepth = mFrameListDepth + 1;





    mZslQueue.insertAt(0, mBufferQueueDepth);

    mFrameList.insertAt(0, mFrameListDepth);