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Commit 2c6de51d authored by Sahil Sonar's avatar Sahil Sonar 💬
Browse files

Merge branch '1373-a14-FP5-cam' into 'v3.0-a14' 

camera2: Allow enabling high speed batching

See merge request e/os/android_frameworks_base!275
parents dc582261 4a471f07

core/java/android/hardware/camera2/impl/CameraConstrainedHighSpeedCaptureSessionImpl.java

+33 −1
Original line number Diff line number Diff line
@@ -26,10 +26,13 @@ import android.hardware.camera2.CameraOfflineSession.CameraOfflineSessionCallbac 
import android.hardware.camera2.CaptureRequest;

import android.hardware.camera2.params.OutputConfiguration;

import android.hardware.camera2.params.StreamConfigurationMap;

import android.hardware.camera2.params.HighSpeedVideoConfiguration;

import android.hardware.camera2.utils.SurfaceUtils;

import android.os.Handler;

import android.os.ConditionVariable;

import android.os.SystemProperties;

import android.util.Range;

import android.util.Size;

import android.util.Log;

import android.view.Surface;
@@ -118,7 +121,7 @@ public class CameraConstrainedHighSpeedCaptureSessionImpl 
        }

        Log.v(TAG, "previewFps: " + previewFps);



        int requestListSize = fpsRange.getUpper() / previewFps;

        int requestListSize = getHighSpeedRequestListSize(fpsRange, outputSurfaces, previewFps);

        // If it's a preview, keep requestList size fixed = 1.

        if (fpsRange.getUpper() > fpsRange.getLower()) {

            requestListSize = 1;
@@ -203,6 +206,35 @@ public class CameraConstrainedHighSpeedCaptureSessionImpl 
        return true;

    }



    private int getHighSpeedRequestListSize(Range<Integer> fpsRange, Collection<Surface> surfaces, int previewFps) {

        boolean enableHighSpeedBatching = SystemProperties.getBoolean("sys.camera.enable.hsbatch", false);

        int requestListSize = 0;



        for (Surface surface : surfaces) {



            if (SurfaceUtils.isSurfaceForHwVideoEncoder(surface)) {

                Size surfaceSize = SurfaceUtils.getSurfaceSize(surface);

                HighSpeedVideoConfiguration[] highSpeedVideoConfigurations =

                    mCharacteristics.get(CameraCharacteristics.CONTROL_AVAILABLE_HIGH_SPEED_VIDEO_CONFIGURATIONS);



                // Get the batchsize for matching FPS & video size

                for (HighSpeedVideoConfiguration config : highSpeedVideoConfigurations) {

                    if (config.getSize().equals(surfaceSize) && config.getFpsRange().equals(fpsRange)) {

                        requestListSize = config.getBatchSizeMax();

                        break;

                     }

                }

                break;

            }

        }



        if (!enableHighSpeedBatching || requestListSize == 0) {

            // If cant' find the matching batch size,  limit the preview to 30fps.

            requestListSize = fpsRange.getUpper() / previewFps;

        }

        return requestListSize;

    }



    @Override

    public CameraDevice getDevice() {

        return mSessionImpl.getDevice();