ConvolutionFunction1D.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.media3.effect;
import androidx.media3.common.util.UnstableApi;
/**
* An interface for 1 dimensional convolution functions.
*
* <p>The domain defines the region over which the function operates, in pixels.
*/
@UnstableApi
public interface ConvolutionFunction1D {
/** Returns the start of the domain. */
float domainStart();
/** Returns the end of the domain. */
float domainEnd();
/** Returns the width of the domain. */
default float width() {
return domainEnd() - domainStart();
}
/** Returns the value of the function at the {@code samplePosition}. */
float value(float samplePosition);
}