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Merge pull request #8215 from TiVo:p-fix-apple-iframe-bug

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PiperOrigin-RevId: 345202157
This commit is contained in:
Oliver Woodman 2020-12-03 17:11:03 +00:00
commit b22b53f6f1
4 changed files with 30 additions and 0 deletions
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5
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/BundledHlsMediaChunkExtractor.java
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@ -101,4 +101,9 @@ public final class BundledHlsMediaChunkExtractor implements HlsMediaChunkExtract
return new BundledHlsMediaChunkExtractor(
newExtractorInstance, masterPlaylistFormat, timestampAdjuster);
}
@Override
public void onTruncatedSegmentParsed() {
extractor.seek(/* position= */ 0, /* timeUs= */ 0);
}
}

8
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaChunk.java
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@ -428,6 +428,14 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
}
try {
while (!loadCanceled && extractor.read(input)) {}
} catch (EOFException e) {
if ((trackFormat.roleFlags & C.ROLE_FLAG_TRICK_PLAY) != 0) {
// See onTruncatedSegmentParsed's javadoc for more info on why we are swallowing the EOF
// exception for trick play tracks.
extractor.onTruncatedSegmentParsed();
} else {
throw e;
}
} finally {
nextLoadPosition = (int) (input.getPosition() - dataSpec.position);
}

11
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/HlsMediaChunkExtractor.java
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@ -59,4 +59,15 @@ public interface HlsMediaChunkExtractor {
* instances that are not {@link #isReusable() reusable}.
*/
HlsMediaChunkExtractor recreate();
/**
* Resets the sample parsing state.
*
* <p>Resetting the parsing state allows support for Fragmented MP4 EXT-X-I-FRAME-STREAM-INF
* segments. EXT-X-I-FRAME-STREAM-INF segments are truncated to include only a leading key frame.
* After parsing said keyframe, an extractor may reach an unexpected end of file. By resetting its
* state, we can continue feeding samples from the following segments to the extractor. See <a
* href="https://github.com/google/ExoPlayer/issues/7512">#7512</a> for context.
*/
void onTruncatedSegmentParsed();
}

6
library/hls/src/main/java/com/google/android/exoplayer2/source/hls/MediaParserHlsMediaChunkExtractor.java
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@ -29,6 +29,7 @@ import android.annotation.SuppressLint;
import android.media.MediaFormat;
import android.media.MediaParser;
import android.media.MediaParser.OutputConsumer;
import android.media.MediaParser.SeekPoint;
import android.text.TextUtils;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
@ -211,6 +212,11 @@ public final class MediaParserHlsMediaChunkExtractor implements HlsMediaChunkExt
/* leadingBytesToSkip= */ 0);
}
@Override
public void onTruncatedSegmentParsed() {
mediaParser.seek(SeekPoint.START);
}
// Allow constants that are not part of the public MediaParser API.
@SuppressLint({"WrongConstant"})
private static MediaParser createMediaParserInstance(