/*
* Copyright (C) 2018 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.exoplayer.video;
import android.media.MediaFormat;
import androidx.annotation.Nullable;
import androidx.media3.common.Format;
import androidx.media3.common.util.UnstableApi;
/** A listener for metadata corresponding to video frames being rendered. */
@UnstableApi
public interface VideoFrameMetadataListener {
/**
* Called on the playback thread when a video frame is about to be rendered.
*
* @param presentationTimeUs The presentation time of the frame, in microseconds.
* @param releaseTimeNs The wallclock time at which the frame should be displayed, in nanoseconds.
* If the platform API version of the device is less than 21, then this is a best effort.
* @param format The format associated with the frame.
* @param mediaFormat The framework media format associated with the frame, or {@code null} if not
* known or not applicable (e.g., because the frame was not output by a {@link
* android.media.MediaCodec MediaCodec}).
*/
void onVideoFrameAboutToBeRendered(
long presentationTimeUs,
long releaseTimeNs,
Format format,
@Nullable MediaFormat mediaFormat);
}