/*
* Copyright 2020 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.transformer;
import androidx.media3.decoder.DecoderInputBuffer;
/** A sample transformer for a given track. */
/* package */ interface SampleTransformer {
/**
* Transforms the data and metadata of the sample contained in {@code buffer}.
*
* @param buffer The sample to transform. If the sample {@link DecoderInputBuffer#data data} is
* {@code null} after the execution of this method, the sample must be discarded.
*/
void transformSample(DecoderInputBuffer buffer);
}