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FrameworkSampleSource with FileDescriptor #246

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This commit is contained in:
Nezz 2015-01-21 02:44:21 +01:00
parent a879819dd3
commit 796e5bc7d6
1 changed files with 29 additions and 1 deletions
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30
library/src/main/java/com/google/android/exoplayer/FrameworkSampleSource.java
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@ -23,6 +23,7 @@ import android.content.Context;
import android.media.MediaExtractor;
import android.net.Uri;
import java.io.FileDescriptor;
import java.io.IOException;
import java.util.Map;
import java.util.UUID;
@ -42,6 +43,10 @@ public final class FrameworkSampleSource implements SampleSource {
private final Context context;
private final Uri uri;
private final Map<String, String> headers;
private final FileDescriptor fileDescriptor;
private final long fdOffset;
private final long fdLength;
private MediaExtractor extractor;
private TrackInfo[] trackInfos;
@ -59,13 +64,36 @@ public final class FrameworkSampleSource implements SampleSource {
this.uri = uri;
this.headers = headers;
this.remainingReleaseCount = downstreamRendererCount;
this.fileDescriptor = null;
this.fdOffset = 0;
this.fdLength = 0;
}
public FrameworkSampleSource(FileDescriptor fileDescriptor, long offset, long length,
int downstreamRendererCount) {
Assertions.checkState(Util.SDK_INT >= 16);
this.fileDescriptor = fileDescriptor;
this.fdOffset = offset;
this.fdLength = length;
this.remainingReleaseCount = downstreamRendererCount;
this.context = null;
this.uri = null;
this.headers = null;
}
@Override
public boolean prepare() throws IOException {
if (!prepared) {
extractor = new MediaExtractor();
extractor.setDataSource(context, uri, headers);
if (context != null)
extractor.setDataSource(context, uri, headers);
else
extractor.setDataSource(fileDescriptor, fdOffset, fdLength);
trackStates = new int[extractor.getTrackCount()];
pendingDiscontinuities = new boolean[trackStates.length];
trackInfos = new TrackInfo[trackStates.length];