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FragmentedMp4Extractor: simplify track bundle initialization

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This will simplify the addition of nullness annotations.

PiperOrigin-RevId: 325414700
This commit is contained in:
kimvde 2020-08-07 12:36:14 +01:00 committed by kim-vde
parent a5e6e3054d
commit d8a95af5e0
1 changed files with 32 additions and 21 deletions
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53
library/extractor/src/main/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4Extractor.java
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@ -285,18 +285,22 @@ public class FragmentedMp4Extractor implements Extractor {
extractorOutput = output;
initExtraTracks();
if (sideloadedTrack != null) {
TrackBundle bundle = new TrackBundle(output.track(0, sideloadedTrack.type));
bundle.init(
new TrackSampleTable(
sideloadedTrack,
/* offsets= */ new long[0],
/* sizes= */ new int[0],
/* maximumSize= */ 0,
/* timestampsUs= */ new long[0],
/* flags= */ new int[0],
/* durationUs= */ 0),
new DefaultSampleValues(
/* sampleDescriptionIndex= */ 0, /* duration= */ 0, /* size= */ 0, /* flags= */ 0));
TrackBundle bundle =
new TrackBundle(
output.track(0, sideloadedTrack.type),
new TrackSampleTable(
sideloadedTrack,
/* offsets= */ new long[0],
/* sizes= */ new int[0],
/* maximumSize= */ 0,
/* timestampsUs= */ new long[0],
/* flags= */ new int[0],
/* durationUs= */ 0),
new DefaultSampleValues(
/* sampleDescriptionIndex= */ 0,
/* duration= */ 0,
/* size= */ 0,
/* flags= */ 0));
trackBundles.put(0, bundle);
extractorOutput.endTracks();
}
@ -306,7 +310,7 @@ public class FragmentedMp4Extractor implements Extractor {
public void seek(long position, long timeUs) {
int trackCount = trackBundles.size();
for (int i = 0; i < trackCount; i++) {
trackBundles.valueAt(i).reset();
trackBundles.valueAt(i).resetFragmentInfo();
}
pendingMetadataSampleInfos.clear();
pendingMetadataSampleBytes = 0;
@ -517,8 +521,11 @@ public class FragmentedMp4Extractor implements Extractor {
for (int i = 0; i < trackCount; i++) {
TrackSampleTable sampleTable = sampleTables.get(i);
Track track = sampleTable.track;
TrackBundle trackBundle = new TrackBundle(extractorOutput.track(i, track.type));
trackBundle.init(sampleTable, getDefaultSampleValues(defaultSampleValuesArray, track.id));
TrackBundle trackBundle =
new TrackBundle(
extractorOutput.track(i, track.type),
sampleTable,
getDefaultSampleValues(defaultSampleValuesArray, track.id));
trackBundles.put(track.id, trackBundle);
durationUs = max(durationUs, track.durationUs);
}
@ -530,7 +537,7 @@ public class FragmentedMp4Extractor implements Extractor {
Track track = sampleTable.track;
trackBundles
.get(track.id)
.init(sampleTable, getDefaultSampleValues(defaultSampleValuesArray, track.id));
.reset(sampleTable, getDefaultSampleValues(defaultSampleValuesArray, track.id));
}
}
}
@ -719,7 +726,7 @@ public class FragmentedMp4Extractor implements Extractor {
TrackFragment fragment = trackBundle.fragment;
long fragmentDecodeTime = fragment.nextFragmentDecodeTime;
boolean fragmentDecodeTimeIncludesMoov = fragment.nextFragmentDecodeTimeIncludesMoov;
trackBundle.reset();
trackBundle.resetFragmentInfo();
trackBundle.currentlyInFragment = true;
@Nullable LeafAtom tfdtAtom = traf.getLeafAtomOfType(Atom.TYPE_tfdt);
if (tfdtAtom != null && (flags & FLAG_WORKAROUND_IGNORE_TFDT_BOX) == 0) {
@ -1567,20 +1574,24 @@ public class FragmentedMp4Extractor implements Extractor {
private boolean currentlyInFragment;
public TrackBundle(TrackOutput output) {
public TrackBundle(
TrackOutput output,
TrackSampleTable moovSampleTable,
DefaultSampleValues defaultSampleValues) {
this.output = output;
fragment = new TrackFragment();
scratch = new ParsableByteArray();
encryptionSignalByte = new ParsableByteArray(1);
defaultInitializationVector = new ParsableByteArray();
reset(moovSampleTable, defaultSampleValues);
}
public void init(TrackSampleTable moovSampleTable, DefaultSampleValues defaultSampleValues) {
public void reset(TrackSampleTable moovSampleTable, DefaultSampleValues defaultSampleValues) {
Assertions.checkNotNull(moovSampleTable.track);
this.moovSampleTable = moovSampleTable;
this.defaultSampleValues = Assertions.checkNotNull(defaultSampleValues);
output.format(moovSampleTable.track.format);
reset();
resetFragmentInfo();
}
public void updateDrmInitData(DrmInitData drmInitData) {
@ -1596,7 +1607,7 @@ public class FragmentedMp4Extractor implements Extractor {
}
/** Resets the current fragment, sample indices and {@link #currentlyInFragment} boolean. */
public void reset() {
public void resetFragmentInfo() {
fragment.reset();
currentSampleIndex = 0;
currentTrackRunIndex = 0;