TemplateTypeUtil.java
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.camera.camera2.internal;
import android.hardware.camera2.CameraDevice;
import androidx.annotation.NonNull;
import androidx.annotation.OptIn;
import androidx.annotation.RequiresApi;
import androidx.camera.core.ExperimentalZeroShutterLag;
import androidx.camera.core.ImageCapture;
import androidx.camera.core.impl.UseCaseConfigFactory;
/**
* A class that contains utility methods for template type.
*/
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
public class TemplateTypeUtil {
private TemplateTypeUtil() {
}
/**
* Returns the appropriate template type for a session configuration.
*/
@OptIn(markerClass = ExperimentalZeroShutterLag.class)
public static int getSessionConfigTemplateType(
@NonNull UseCaseConfigFactory.CaptureType captureType,
@ImageCapture.CaptureMode int captureMode
) {
switch (captureType) {
case IMAGE_CAPTURE:
return captureMode == ImageCapture.CAPTURE_MODE_ZERO_SHUTTER_LAG
? CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG :
CameraDevice.TEMPLATE_PREVIEW;
case VIDEO_CAPTURE:
case STREAM_SHARING:
return CameraDevice.TEMPLATE_RECORD;
case PREVIEW:
case IMAGE_ANALYSIS:
default:
return CameraDevice.TEMPLATE_PREVIEW;
}
}
/**
* Returns the appropriate template type for a capture configuration.
*/
@OptIn(markerClass = ExperimentalZeroShutterLag.class)
public static int getCaptureConfigTemplateType(
@NonNull UseCaseConfigFactory.CaptureType captureType,
@ImageCapture.CaptureMode int captureMode
) {
switch (captureType) {
case IMAGE_CAPTURE:
return captureMode == ImageCapture.CAPTURE_MODE_ZERO_SHUTTER_LAG
? CameraDevice.TEMPLATE_ZERO_SHUTTER_LAG :
CameraDevice.TEMPLATE_STILL_CAPTURE;
case VIDEO_CAPTURE:
case STREAM_SHARING:
return CameraDevice.TEMPLATE_RECORD;
case PREVIEW:
case IMAGE_ANALYSIS:
default:
return CameraDevice.TEMPLATE_PREVIEW;
}
}
}