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Fix premature nullness assertions

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Issue: #6910
PiperOrigin-RevId: 291721229
This commit is contained in:
olly 2020-01-27 15:49:10 +00:00 committed by Oliver Woodman
parent 4dddad831a
commit 8da0e27d2e
1 changed files with 23 additions and 19 deletions
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12
library/extractor/src/main/java/com/google/android/exoplayer2/extractor/ts/H264Reader.java
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@ -560,12 +560,16 @@ public final class H264Reader implements ElementaryStreamReader {
} }
private boolean isFirstVclNalUnitOfPicture(SliceHeaderData other) { private boolean isFirstVclNalUnitOfPicture(SliceHeaderData other) {
if (!isComplete) {
return false;
}
if (!other.isComplete) {
return true;
}
// See ISO 14496-10 subsection 7.4.1.2.4. // See ISO 14496-10 subsection 7.4.1.2.4.
SpsData spsData = Assertions.checkStateNotNull(this.spsData); SpsData spsData = Assertions.checkStateNotNull(this.spsData);
SpsData otherSpsData = Assertions.checkStateNotNull(other.spsData); SpsData otherSpsData = Assertions.checkStateNotNull(other.spsData);
return isComplete return frameNum != other.frameNum
&& (!other.isComplete
|| frameNum != other.frameNum
|| picParameterSetId != other.picParameterSetId || picParameterSetId != other.picParameterSetId
|| fieldPicFlag != other.fieldPicFlag || fieldPicFlag != other.fieldPicFlag
|| (bottomFieldFlagPresent || (bottomFieldFlagPresent
@ -581,7 +585,7 @@ public final class H264Reader implements ElementaryStreamReader {
&& (deltaPicOrderCnt0 != other.deltaPicOrderCnt0 && (deltaPicOrderCnt0 != other.deltaPicOrderCnt0
|| deltaPicOrderCnt1 != other.deltaPicOrderCnt1)) || deltaPicOrderCnt1 != other.deltaPicOrderCnt1))
|| idrPicFlag != other.idrPicFlag || idrPicFlag != other.idrPicFlag
|| (idrPicFlag && idrPicId != other.idrPicId)); || (idrPicFlag && idrPicId != other.idrPicId);
} }
} }
} }