SessionProcessorSurface.java
/*
* Copyright 2021 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.core.impl;
import android.view.Surface;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.camera.core.impl.utils.futures.Futures;
import com.google.common.util.concurrent.ListenableFuture;
/**
* A {@link DeferrableSurface} that is created in {@link SessionProcessor} and is added to the
* {@link SessionConfig} for opening capture session.
*
* <p>It is similar as {@link ImmediateSurface} but contains output config Id that can be used to
* query the surface the id associates with.
*/
@RequiresApi(21) // TODO(b/200306659): Remove and replace with annotation on package-info.java
public final class SessionProcessorSurface extends DeferrableSurface {
private final Surface mSurface;
private final int mOutputConfigId;
public SessionProcessorSurface(@NonNull Surface surface, int outputConfigId) {
mSurface = surface;
mOutputConfigId = outputConfigId;
}
public int getOutputConfigId() {
return mOutputConfigId;
}
@Override
@NonNull
public ListenableFuture<Surface> provideSurface() {
return Futures.immediateFuture(mSurface);
}
}