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Make CacheDataSink use ReusableBufferedOutputStream

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=140010664
This commit is contained in:
eguven 2016-11-23 02:35:22 -08:00 committed by Oliver Woodman
parent fa3d129b14
commit b29ff0cf51
1 changed files with 13 additions and 4 deletions
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17
library/src/main/java/com/google/android/exoplayer2/upstream/cache/CacheDataSink.java vendored
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@ -20,8 +20,8 @@ import com.google.android.exoplayer2.upstream.DataSink;
import com.google.android.exoplayer2.upstream.DataSpec;
import com.google.android.exoplayer2.upstream.cache.Cache.CacheException;
import com.google.android.exoplayer2.util.Assertions;
import com.google.android.exoplayer2.util.ReusableBufferedOutputStream;
import com.google.android.exoplayer2.util.Util;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
@ -42,6 +42,7 @@ public final class CacheDataSink implements DataSink {
private FileOutputStream underlyingFileOutputStream;
private long outputStreamBytesWritten;
private long dataSpecBytesWritten;
private ReusableBufferedOutputStream bufferedOutputStream;
/**
* Thrown when IOException is encountered when writing data into sink.
@ -132,9 +133,17 @@ public final class CacheDataSink implements DataSink {
file = cache.startFile(dataSpec.key, dataSpec.absoluteStreamPosition + dataSpecBytesWritten,
Math.min(dataSpec.length - dataSpecBytesWritten, maxCacheFileSize));
underlyingFileOutputStream = new FileOutputStream(file);
outputStream = bufferSize > 0
? new BufferedOutputStream(underlyingFileOutputStream, bufferSize)
: underlyingFileOutputStream;
if (bufferSize > 0) {
if (bufferedOutputStream == null) {
bufferedOutputStream = new ReusableBufferedOutputStream(underlyingFileOutputStream,
bufferSize);
} else {
bufferedOutputStream.reset(underlyingFileOutputStream);
}
outputStream = bufferedOutputStream;
} else {
outputStream = underlyingFileOutputStream;
}
outputStreamBytesWritten = 0;
}