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Improve handling of consecutive empty ad groups

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Issue: #4030
Issue: #4280

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=208055792
This commit is contained in:
andrewlewis 2018-08-09 08:55:36 -07:00 committed by Oliver Woodman
parent 4d6d7903e0
commit 5a8af74b4b
2 changed files with 17 additions and 1 deletions
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3
RELEASENOTES.md
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@ -97,6 +97,9 @@
([#4583](https://github.com/google/ExoPlayer/issues/4583)).
* Add `DataSpec.httpMethod` and update `HttpDataSource` implementations to
support HTTP HEAD method. Previously, only GET and POST were supported.
* IMA: Improve handling of consecutive empty ad groups
([#4030](https://github.com/google/ExoPlayer/issues/4030)),
([#4280](https://github.com/google/ExoPlayer/issues/4280)).
### 2.8.3 ###

15
extensions/ima/src/main/java/com/google/android/exoplayer2/ext/ima/ImaAdsLoader.java
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@ -631,8 +631,11 @@ public final class ImaAdsLoader
} else if (fakeContentProgressElapsedRealtimeMs != C.TIME_UNSET) {
long elapsedSinceEndMs = SystemClock.elapsedRealtime() - fakeContentProgressElapsedRealtimeMs;
contentPositionMs = fakeContentProgressOffsetMs + elapsedSinceEndMs;
expectedAdGroupIndex =
int adGroupIndexForPosition =
adPlaybackState.getAdGroupIndexForPositionUs(C.msToUs(contentPositionMs));
if (adGroupIndexForPosition != C.INDEX_UNSET) {
expectedAdGroupIndex = adGroupIndexForPosition;
}
} else if (imaAdState == IMA_AD_STATE_NONE && !playingAd && hasContentDuration) {
contentPositionMs = player.getCurrentPosition();
// Update the expected ad group index for the current content position. The update is delayed
@ -1124,6 +1127,16 @@ public final class ImaAdsLoader
if (pendingAdLoadError == null) {
pendingAdLoadError = AdLoadException.createForAdGroup(error, adGroupIndex);
}
// Discard the ad break, which makes sure we don't receive duplicate load error events.
adsManager.discardAdBreak();
// Set the next expected ad group index so we can handle multiple load errors in a row.
adGroupIndex++;
if (adGroupIndex < adPlaybackState.adGroupCount) {
expectedAdGroupIndex = adGroupIndex;
} else {
expectedAdGroupIndex = C.INDEX_UNSET;
}
pendingContentPositionMs = C.TIME_UNSET;
}
private void handleAdPrepareError(int adGroupIndex, int adIndexInAdGroup, Exception exception) {