Add ServerSideInsertedAdsMediaSource.
This media source wraps another source and publishes a Timeline with ads. The created MediaPeriods for ad and content are mapped back to the original stream to allow seamless playback. PiperOrigin-RevId: 374836091
This commit is contained in:
tonihei
Oliver Woodman
parent
1a6f36d4a4
commit
d08303d05d
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/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.exoplayer2.source.ads;
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import static com.google.android.exoplayer2.robolectric.RobolectricUtil.runMainLooperUntil;
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import static com.google.android.exoplayer2.robolectric.TestPlayerRunHelper.playUntilPosition;
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import static com.google.android.exoplayer2.robolectric.TestPlayerRunHelper.runUntilPendingCommandsAreFullyHandled;
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import static com.google.android.exoplayer2.robolectric.TestPlayerRunHelper.runUntilPlaybackState;
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import static com.google.android.exoplayer2.source.ads.ServerSideInsertedAdsUtil.addAdGroupToAdPlaybackState;
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import static com.google.common.truth.Truth.assertThat;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.anyInt;
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import static org.mockito.ArgumentMatchers.anyLong;
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import static org.mockito.ArgumentMatchers.eq;
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import static org.mockito.Mockito.mock;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.verify;
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import android.content.Context;
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import android.graphics.SurfaceTexture;
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import android.view.Surface;
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import androidx.test.core.app.ApplicationProvider;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import com.google.android.exoplayer2.MediaItem;
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import com.google.android.exoplayer2.Player;
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import com.google.android.exoplayer2.SimpleExoPlayer;
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import com.google.android.exoplayer2.Timeline;
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import com.google.android.exoplayer2.analytics.AnalyticsListener;
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import com.google.android.exoplayer2.robolectric.PlaybackOutput;
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import com.google.android.exoplayer2.robolectric.ShadowMediaCodecConfig;
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import com.google.android.exoplayer2.source.DefaultMediaSourceFactory;
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import com.google.android.exoplayer2.testutil.CapturingRenderersFactory;
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import com.google.android.exoplayer2.testutil.DumpFileAsserts;
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import com.google.android.exoplayer2.testutil.FakeClock;
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import com.google.android.exoplayer2.testutil.FakeMediaSource;
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import com.google.android.exoplayer2.testutil.FakeTimeline;
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import java.util.concurrent.atomic.AtomicReference;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.robolectric.annotation.Config;
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/** Unit test for {@link ServerSideInsertedAdsMediaSource}. */
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// TODO(b/143232359): Remove once https://issuetracker.google.com/143232359 is resolved.
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@Config(sdk = 29)
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@RunWith(AndroidJUnit4.class)
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public final class ServerSideInsertedAdMediaSourceTest {
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@Rule
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public ShadowMediaCodecConfig mediaCodecConfig =
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ShadowMediaCodecConfig.forAllSupportedMimeTypes();
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private static final String TEST_ASSET = "asset:///media/mp4/sample.mp4";
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private static final String TEST_ASSET_DUMP = "playbackdumps/mp4/sample.mp4.dump";
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@Test
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public void timeline_containsAdsDefinedInAdPlaybackState() throws Exception {
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FakeTimeline wrappedTimeline =
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new FakeTimeline(
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new FakeTimeline.TimelineWindowDefinition(
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/* periodCount= */ 1,
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/* id= */ 0,
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/* isSeekable= */ true,
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/* isDynamic= */ true,
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/* isLive= */ true,
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/* isPlaceholder= */ false,
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/* durationUs= */ 10_000_000,
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/* defaultPositionUs= */ 3_000_000,
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/* windowOffsetInFirstPeriodUs= */ 42_000_000L,
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AdPlaybackState.NONE));
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ServerSideInsertedAdsMediaSource mediaSource =
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new ServerSideInsertedAdsMediaSource(new FakeMediaSource(wrappedTimeline));
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// Test with one ad group before the window, and the window starting within the second ad group.
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AdPlaybackState adPlaybackState =
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new AdPlaybackState(
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/* adsId= */ new Object(), /* adGroupTimesUs...= */
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15_000_000,
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41_500_000,
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42_200_000)
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.withIsServerSideInserted(/* adGroupIndex= */ 0, /* isServerSideInserted= */ true)
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.withIsServerSideInserted(/* adGroupIndex= */ 1, /* isServerSideInserted= */ true)
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.withIsServerSideInserted(/* adGroupIndex= */ 2, /* isServerSideInserted= */ true)
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.withAdCount(/* adGroupIndex= */ 0, /* adCount= */ 1)
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.withAdCount(/* adGroupIndex= */ 1, /* adCount= */ 2)
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.withAdCount(/* adGroupIndex= */ 2, /* adCount= */ 1)
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.withAdDurationsUs(/* adGroupIndex= */ 0, /* adDurationsUs...= */ 500_000)
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.withAdDurationsUs(/* adGroupIndex= */ 1, /* adDurationsUs...= */ 300_000, 100_000)
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.withAdDurationsUs(/* adGroupIndex= */ 2, /* adDurationsUs...= */ 400_000)
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.withContentResumeOffsetUs(/* adGroupIndex= */ 0, /* contentResumeOffsetUs= */ 100_000)
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.withContentResumeOffsetUs(/* adGroupIndex= */ 1, /* contentResumeOffsetUs= */ 400_000)
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.withContentResumeOffsetUs(/* adGroupIndex= */ 2, /* contentResumeOffsetUs= */ 200_000);
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AtomicReference<Timeline> timelineReference = new AtomicReference<>();
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mediaSource.setAdPlaybackState(adPlaybackState);
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mediaSource.prepareSource(
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(source, timeline) -> timelineReference.set(timeline), /* mediaTransferListener= */ null);
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runMainLooperUntil(() -> timelineReference.get() != null);
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Timeline timeline = timelineReference.get();
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assertThat(timeline.getPeriodCount()).isEqualTo(1);
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Timeline.Period period = timeline.getPeriod(/* periodIndex= */ 0, new Timeline.Period());
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assertThat(period.getAdGroupCount()).isEqualTo(3);
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assertThat(period.getAdCountInAdGroup(/* adGroupIndex= */ 0)).isEqualTo(1);
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assertThat(period.getAdCountInAdGroup(/* adGroupIndex= */ 1)).isEqualTo(2);
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assertThat(period.getAdCountInAdGroup(/* adGroupIndex= */ 2)).isEqualTo(1);
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assertThat(period.getAdGroupTimeUs(/* adGroupIndex= */ 0)).isEqualTo(15_000_000);
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assertThat(period.getAdGroupTimeUs(/* adGroupIndex= */ 1)).isEqualTo(41_500_000);
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assertThat(period.getAdGroupTimeUs(/* adGroupIndex= */ 2)).isEqualTo(42_200_000);
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assertThat(period.getAdDurationUs(/* adGroupIndex= */ 0, /* adIndexInAdGroup= */ 0))
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.isEqualTo(500_000);
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assertThat(period.getAdDurationUs(/* adGroupIndex= */ 1, /* adIndexInAdGroup= */ 0))
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.isEqualTo(300_000);
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assertThat(period.getAdDurationUs(/* adGroupIndex= */ 1, /* adIndexInAdGroup= */ 1))
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.isEqualTo(100_000);
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assertThat(period.getAdDurationUs(/* adGroupIndex= */ 2, /* adIndexInAdGroup= */ 0))
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.isEqualTo(400_000);
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assertThat(period.getContentResumeOffsetUs(/* adGroupIndex= */ 0)).isEqualTo(100_000);
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assertThat(period.getContentResumeOffsetUs(/* adGroupIndex= */ 1)).isEqualTo(400_000);
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assertThat(period.getContentResumeOffsetUs(/* adGroupIndex= */ 2)).isEqualTo(200_000);
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// windowDurationUs + windowOffsetInFirstPeriodUs - sum(adDurations) + sum(contentResumeOffsets)
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assertThat(period.getDurationUs()).isEqualTo(51_400_000);
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// positionInWindowUs + sum(adDurationsBeforeWindow) - sum(contentResumeOffsetsBeforeWindow)
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assertThat(period.getPositionInWindowUs()).isEqualTo(-41_600_000);
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Timeline.Window window = timeline.getWindow(/* windowIndex= */ 0, new Timeline.Window());
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assertThat(window.positionInFirstPeriodUs).isEqualTo(41_600_000);
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// windowDurationUs - sum(adDurationsInWindow) + sum(applicableContentResumeOffsetUs)
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assertThat(window.durationUs).isEqualTo(9_800_000);
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}
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@Test
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public void playbackWithPredefinedAds_playsSuccessfulWithoutRendererResets() throws Exception {
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Context context = ApplicationProvider.getApplicationContext();
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CapturingRenderersFactory renderersFactory = new CapturingRenderersFactory(context);
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SimpleExoPlayer player =
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new SimpleExoPlayer.Builder(context, renderersFactory)
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.setClock(new FakeClock(/* isAutoAdvancing= */ true))
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.build();
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player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
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PlaybackOutput playbackOutput = PlaybackOutput.register(player, renderersFactory);
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ServerSideInsertedAdsMediaSource mediaSource =
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new ServerSideInsertedAdsMediaSource(
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new DefaultMediaSourceFactory(context)
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.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
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AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
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adPlaybackState =
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addAdGroupToAdPlaybackState(
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adPlaybackState,
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/* fromPositionUs= */ 0,
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/* toPositionUs= */ 200_000,
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/* contentResumeOffsetUs= */ 0);
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adPlaybackState =
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addAdGroupToAdPlaybackState(
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adPlaybackState,
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/* fromPositionUs= */ 400_000,
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/* toPositionUs= */ 700_000,
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/* contentResumeOffsetUs= */ 1_000_000);
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adPlaybackState =
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addAdGroupToAdPlaybackState(
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adPlaybackState,
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/* fromPositionUs= */ 900_000,
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/* toPositionUs= */ 1_000_000,
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/* contentResumeOffsetUs= */ 0);
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mediaSource.setAdPlaybackState(adPlaybackState);
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AnalyticsListener listener = mock(AnalyticsListener.class);
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player.addAnalyticsListener(listener);
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player.setMediaSource(mediaSource);
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player.prepare();
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player.play();
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runUntilPlaybackState(player, Player.STATE_ENDED);
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player.release();
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// Assert all samples have been played.
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DumpFileAsserts.assertOutput(context, playbackOutput, TEST_ASSET_DUMP);
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// Assert playback has been reported with ads: [ad0][content][ad1][content][ad2][content]
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// 6*2(audio+video) format changes, 5 discontinuities between parts.
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verify(listener, times(5))
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.onPositionDiscontinuity(
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any(), any(), any(), eq(Player.DISCONTINUITY_REASON_AUTO_TRANSITION));
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verify(listener, times(12)).onDownstreamFormatChanged(any(), any());
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// Assert renderers played through without reset (=decoders have been enabled only once).
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verify(listener).onVideoEnabled(any(), any());
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verify(listener).onAudioEnabled(any(), any());
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// Assert playback progression was smooth (=no unexpected delays that cause audio to underrun)
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verify(listener, never()).onAudioUnderrun(any(), anyInt(), anyLong(), anyLong());
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}
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@Test
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public void playbackWithNewlyInsertedAds_playsSuccessfulWithoutRendererResets() throws Exception {
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Context context = ApplicationProvider.getApplicationContext();
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CapturingRenderersFactory renderersFactory = new CapturingRenderersFactory(context);
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SimpleExoPlayer player =
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new SimpleExoPlayer.Builder(context, renderersFactory)
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.setClock(new FakeClock(/* isAutoAdvancing= */ true))
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.build();
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player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
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PlaybackOutput playbackOutput = PlaybackOutput.register(player, renderersFactory);
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ServerSideInsertedAdsMediaSource mediaSource =
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new ServerSideInsertedAdsMediaSource(
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new DefaultMediaSourceFactory(context)
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.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
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AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
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adPlaybackState =
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addAdGroupToAdPlaybackState(
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adPlaybackState,
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/* fromPositionUs= */ 900_000,
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/* toPositionUs= */ 1_000_000,
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/* contentResumeOffsetUs= */ 0);
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mediaSource.setAdPlaybackState(adPlaybackState);
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AnalyticsListener listener = mock(AnalyticsListener.class);
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player.addAnalyticsListener(listener);
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player.setMediaSource(mediaSource);
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player.prepare();
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// Add ad at the current playback position during playback.
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runUntilPlaybackState(player, Player.STATE_READY);
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adPlaybackState =
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addAdGroupToAdPlaybackState(
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adPlaybackState,
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/* fromPositionUs= */ 0,
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/* toPositionUs= */ 500_000,
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/* contentResumeOffsetUs= */ 0);
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mediaSource.setAdPlaybackState(adPlaybackState);
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runUntilPendingCommandsAreFullyHandled(player);
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player.play();
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runUntilPlaybackState(player, Player.STATE_ENDED);
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player.release();
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// Assert all samples have been played.
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DumpFileAsserts.assertOutput(context, playbackOutput, TEST_ASSET_DUMP);
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// Assert playback has been reported with ads: [content][ad0][content][ad1][content]
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// 5*2(audio+video) format changes, 4 discontinuities between parts.
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verify(listener, times(4))
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.onPositionDiscontinuity(
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any(), any(), any(), eq(Player.DISCONTINUITY_REASON_AUTO_TRANSITION));
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verify(listener, times(10)).onDownstreamFormatChanged(any(), any());
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// Assert renderers played through without reset (=decoders have been enabled only once).
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verify(listener).onVideoEnabled(any(), any());
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verify(listener).onAudioEnabled(any(), any());
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// Assert playback progression was smooth (=no unexpected delays that cause audio to underrun)
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verify(listener, never()).onAudioUnderrun(any(), anyInt(), anyLong(), anyLong());
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}
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@Test
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public void playbackWithAdditionalAdsInAdGroup_playsSuccessfulWithoutRendererResets()
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throws Exception {
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Context context = ApplicationProvider.getApplicationContext();
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CapturingRenderersFactory renderersFactory = new CapturingRenderersFactory(context);
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SimpleExoPlayer player =
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new SimpleExoPlayer.Builder(context, renderersFactory)
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.setClock(new FakeClock(/* isAutoAdvancing= */ true))
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.build();
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player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
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PlaybackOutput playbackOutput = PlaybackOutput.register(player, renderersFactory);
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ServerSideInsertedAdsMediaSource mediaSource =
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new ServerSideInsertedAdsMediaSource(
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new DefaultMediaSourceFactory(context)
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.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
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AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
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adPlaybackState =
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addAdGroupToAdPlaybackState(
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adPlaybackState,
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/* fromPositionUs= */ 0,
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/* toPositionUs= */ 500_000,
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/* contentResumeOffsetUs= */ 0);
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mediaSource.setAdPlaybackState(adPlaybackState);
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AnalyticsListener listener = mock(AnalyticsListener.class);
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player.addAnalyticsListener(listener);
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player.setMediaSource(mediaSource);
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player.prepare();
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// Wait until playback is ready with first ad and then replace by 3 ads.
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runUntilPlaybackState(player, Player.STATE_READY);
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adPlaybackState =
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adPlaybackState
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.withAdCount(/* adGroupIndex= */ 0, /* adCount= */ 3)
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.withAdDurationsUs(
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/* adGroupIndex= */ 0, /* adDurationsUs...= */ 50_000, 250_000, 200_000);
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mediaSource.setAdPlaybackState(adPlaybackState);
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runUntilPendingCommandsAreFullyHandled(player);
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player.play();
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runUntilPlaybackState(player, Player.STATE_ENDED);
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player.release();
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// Assert all samples have been played.
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DumpFileAsserts.assertOutput(context, playbackOutput, TEST_ASSET_DUMP);
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// Assert playback has been reported with ads: [ad0][ad1][ad2][content]
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// 4*2(audio+video) format changes, 3 discontinuities between parts.
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verify(listener, times(3))
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.onPositionDiscontinuity(
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any(), any(), any(), eq(Player.DISCONTINUITY_REASON_AUTO_TRANSITION));
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verify(listener, times(8)).onDownstreamFormatChanged(any(), any());
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||||||
|
// Assert renderers played through without reset (=decoders have been enabled only once).
|
||||||
|
verify(listener).onVideoEnabled(any(), any());
|
||||||
|
verify(listener).onAudioEnabled(any(), any());
|
||||||
|
// Assert playback progression was smooth (=no unexpected delays that cause audio to underrun)
|
||||||
|
verify(listener, never()).onAudioUnderrun(any(), anyInt(), anyLong(), anyLong());
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void playbackWithSeek_isHandledCorrectly() throws Exception {
|
||||||
|
Context context = ApplicationProvider.getApplicationContext();
|
||||||
|
SimpleExoPlayer player =
|
||||||
|
new SimpleExoPlayer.Builder(context)
|
||||||
|
.setClock(new FakeClock(/* isAutoAdvancing= */ true))
|
||||||
|
.build();
|
||||||
|
player.setVideoSurface(new Surface(new SurfaceTexture(/* texName= */ 1)));
|
||||||
|
|
||||||
|
ServerSideInsertedAdsMediaSource mediaSource =
|
||||||
|
new ServerSideInsertedAdsMediaSource(
|
||||||
|
new DefaultMediaSourceFactory(context)
|
||||||
|
.createMediaSource(MediaItem.fromUri(TEST_ASSET)));
|
||||||
|
AdPlaybackState adPlaybackState = new AdPlaybackState(/* adsId= */ new Object());
|
||||||
|
adPlaybackState =
|
||||||
|
addAdGroupToAdPlaybackState(
|
||||||
|
adPlaybackState,
|
||||||
|
/* fromPositionUs= */ 0,
|
||||||
|
/* toPositionUs= */ 100_000,
|
||||||
|
/* contentResumeOffsetUs= */ 0);
|
||||||
|
adPlaybackState =
|
||||||
|
addAdGroupToAdPlaybackState(
|
||||||
|
adPlaybackState,
|
||||||
|
/* fromPositionUs= */ 600_000,
|
||||||
|
/* toPositionUs= */ 700_000,
|
||||||
|
/* contentResumeOffsetUs= */ 1_000_000);
|
||||||
|
adPlaybackState =
|
||||||
|
addAdGroupToAdPlaybackState(
|
||||||
|
adPlaybackState,
|
||||||
|
/* fromPositionUs= */ 900_000,
|
||||||
|
/* toPositionUs= */ 1_000_000,
|
||||||
|
/* contentResumeOffsetUs= */ 0);
|
||||||
|
mediaSource.setAdPlaybackState(adPlaybackState);
|
||||||
|
|
||||||
|
AnalyticsListener listener = mock(AnalyticsListener.class);
|
||||||
|
player.addAnalyticsListener(listener);
|
||||||
|
player.setMediaSource(mediaSource);
|
||||||
|
player.prepare();
|
||||||
|
// Play to the first content part, then seek past the midroll.
|
||||||
|
playUntilPosition(player, /* windowIndex= */ 0, /* positionMs= */ 100);
|
||||||
|
player.seekTo(/* positionMs= */ 1_600);
|
||||||
|
runUntilPendingCommandsAreFullyHandled(player);
|
||||||
|
long positionAfterSeekMs = player.getCurrentPosition();
|
||||||
|
long contentPositionAfterSeekMs = player.getContentPosition();
|
||||||
|
player.play();
|
||||||
|
runUntilPlaybackState(player, Player.STATE_ENDED);
|
||||||
|
player.release();
|
||||||
|
|
||||||
|
// Assert playback has been reported with ads: [ad0][content] seek [ad1][content][ad2][content]
|
||||||
|
// 6*2(audio+video) format changes, 4 auto-transitions between parts, 1 seek with adjustment.
|
||||||
|
verify(listener, times(4))
|
||||||
|
.onPositionDiscontinuity(
|
||||||
|
any(), any(), any(), eq(Player.DISCONTINUITY_REASON_AUTO_TRANSITION));
|
||||||
|
verify(listener, times(1))
|
||||||
|
.onPositionDiscontinuity(any(), any(), any(), eq(Player.DISCONTINUITY_REASON_SEEK));
|
||||||
|
verify(listener, times(1))
|
||||||
|
.onPositionDiscontinuity(
|
||||||
|
any(), any(), any(), eq(Player.DISCONTINUITY_REASON_SEEK_ADJUSTMENT));
|
||||||
|
verify(listener, times(12)).onDownstreamFormatChanged(any(), any());
|
||||||
|
assertThat(contentPositionAfterSeekMs).isEqualTo(1_600);
|
||||||
|
assertThat(positionAfterSeekMs).isEqualTo(0); // Beginning of second ad.
|
||||||
|
// Assert renderers played through without reset, except for the seek.
|
||||||
|
verify(listener, times(2)).onVideoEnabled(any(), any());
|
||||||
|
verify(listener, times(2)).onAudioEnabled(any(), any());
|
||||||
|
// Assert playback progression was smooth (=no unexpected delays that cause audio to underrun)
|
||||||
|
verify(listener, never()).onAudioUnderrun(any(), anyInt(), anyLong(), anyLong());
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user