diff --git a/library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspMediaPeriod.java b/library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspMediaPeriod.java index f9e70e3e5d..41f404d097 100644 --- a/library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspMediaPeriod.java +++ b/library/rtsp/src/main/java/com/google/android/exoplayer2/source/rtsp/RtspMediaPeriod.java @@ -53,6 +53,7 @@ import com.google.android.exoplayer2.upstream.Loader.Loadable; import com.google.android.exoplayer2.util.Util; import com.google.common.collect.ImmutableList; import java.io.IOException; +import java.net.BindException; import java.net.SocketTimeoutException; import java.util.ArrayList; import java.util.List; @@ -63,6 +64,9 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull; public final class RtspMediaPeriod implements MediaPeriod { private static final String TAG = "RtspMediaPeriod"; + /** The maximum times to retry if the underlying data channel failed to bind. */ + private static final int PORT_BINDING_MAX_RETRY_COUNT = 3; + private final Allocator allocator; private final Handler handler; @@ -81,6 +85,7 @@ public final class RtspMediaPeriod implements MediaPeriod { private boolean released; private boolean prepared; private boolean trackSelected; + private int portBindingRetryCount; /** * Creates an RTSP media period. @@ -426,6 +431,15 @@ public final class RtspMediaPeriod implements MediaPeriod { } else { if (error.getCause() instanceof SocketTimeoutException) { handleSocketTimeout(loadable); + } else if (error.getCause() instanceof BindException) { + // Allow for retry on RTP port open failure by catching BindException. Two ports are + // opened for each RTP stream, the first port number is auto assigned by the system, while + // the second is manually selected. It is thus possible that the second port fails to + // bind. Failing is more likely when running in a server-side testing environment, it is + // less likely on real devices. + if (portBindingRetryCount++ < PORT_BINDING_MAX_RETRY_COUNT) { + return Loader.RETRY; + } } else { playbackException = new RtspPlaybackException(