Disallow FakeTrackOutput.format() without sampleMetadata() in between

In general an extractor shouldn't be outputting multiple formats with
no samples in between.

PiperOrigin-RevId: 305674393
This commit is contained in:
ibaker 2020-04-09 14:40:57 +01:00 committed by Ian Baker
parent dfd5c512f6
commit 2dafb8fd69

View file

@ -23,6 +23,7 @@ import com.google.android.exoplayer2.Format;
import com.google.android.exoplayer2.extractor.TrackOutput;
import com.google.android.exoplayer2.testutil.Dumper.Dumpable;
import com.google.android.exoplayer2.upstream.DataReader;
import com.google.android.exoplayer2.util.Assertions;
import com.google.android.exoplayer2.util.Function;
import com.google.android.exoplayer2.util.ParsableByteArray;
import com.google.android.exoplayer2.util.Util;
@ -44,6 +45,7 @@ public final class FakeTrackOutput implements TrackOutput, Dumper.Dumpable {
private byte[] sampleData;
private int formatCount;
private boolean receivedSampleInFormat;
@Nullable public Format lastFormat;
@ -52,6 +54,7 @@ public final class FakeTrackOutput implements TrackOutput, Dumper.Dumpable {
dumpables = new ArrayList<>();
sampleData = Util.EMPTY_BYTE_ARRAY;
formatCount = 0;
receivedSampleInFormat = true;
}
public void clear() {
@ -59,10 +62,15 @@ public final class FakeTrackOutput implements TrackOutput, Dumper.Dumpable {
dumpables.clear();
sampleData = Util.EMPTY_BYTE_ARRAY;
formatCount = 0;
receivedSampleInFormat = true;
}
@Override
public void format(Format format) {
Assertions.checkState(
receivedSampleInFormat,
"TrackOutput must receive at least one sampleMetadata() call between format() calls.");
receivedSampleInFormat = false;
addFormat(format);
}
@ -95,6 +103,7 @@ public final class FakeTrackOutput implements TrackOutput, Dumper.Dumpable {
int size,
int offset,
@Nullable CryptoData cryptoData) {
receivedSampleInFormat = true;
if (lastFormat == null) {
throw new IllegalStateException("TrackOutput must receive format before sampleMetadata");
}