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Make seekTo(currentPosition) a no-op in ExoPlayer.

Browse source 
- Also avoid boxing when passing the seek position to the background
  thread.

Issue: #654
This commit is contained in:
Oliver Woodman 2015-08-11 17:52:13 +01:00
parent 6ee6bc5c59
commit adf98b0fcc
3 changed files with 48 additions and 3 deletions
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17
library/src/androidTest/java/com/google/android/exoplayer/util/UtilTest.java
View file

@ -144,4 +144,21 @@ public class UtilTest extends TestCase {
assertEquals(1407322800000L, Util.parseXsDateTime("2014-08-06T11:00:00Z"));
}
public void testLongSplitting() {
assertLongSplittingForValue(Long.MIN_VALUE);
assertLongSplittingForValue(Long.MIN_VALUE + 1);
assertLongSplittingForValue(-1);
assertLongSplittingForValue(0);
assertLongSplittingForValue(1);
assertLongSplittingForValue(Long.MAX_VALUE - 1);
assertLongSplittingForValue(Long.MAX_VALUE);
}
private static void assertLongSplittingForValue(long value) {
int topBits = Util.getTopInt(value);
int bottomBots = Util.getBottomInt(value);
long reconstructedValue = Util.getLong(topBits, bottomBots);
assertEquals(value, reconstructedValue);
}
}

13
library/src/main/java/com/google/android/exoplayer/ExoPlayerImplInternal.java
View file

@ -19,6 +19,7 @@ import com.google.android.exoplayer.ExoPlayer.ExoPlayerComponent;
import com.google.android.exoplayer.util.Assertions;
import com.google.android.exoplayer.util.PriorityHandlerThread;
import com.google.android.exoplayer.util.TraceUtil;
import com.google.android.exoplayer.util.Util;
import android.os.Handler;
import android.os.HandlerThread;
@ -137,7 +138,8 @@ import java.util.List;
}
public void seekTo(long positionMs) {
handler.obtainMessage(MSG_SEEK_TO, positionMs).sendToTarget();
handler.obtainMessage(MSG_SEEK_TO, Util.getTopInt(positionMs),
Util.getBottomInt(positionMs)).sendToTarget();
}
public void stop() {
@ -206,7 +208,7 @@ import java.util.List;
return true;
}
case MSG_SEEK_TO: {
seekToInternal((Long) msg.obj);
seekToInternal(Util.getLong(msg.arg1, msg.arg2));
return true;
}
case MSG_STOP: {
@ -482,8 +484,13 @@ import java.util.List;
}
private void seekToInternal(long positionMs) throws ExoPlaybackException {
if (positionMs == (positionUs / 1000)) {
// Seek is to the current position. Do nothing.
return;
}
rebuffering = false;
positionUs = positionMs * 1000L;
positionUs = positionMs * 1000;
standaloneMediaClock.stop();
standaloneMediaClock.setPositionUs(positionUs);
if (state == ExoPlayer.STATE_IDLE || state == ExoPlayer.STATE_PREPARING) {

21
library/src/main/java/com/google/android/exoplayer/util/Util.java
View file

@ -568,6 +568,27 @@ public final class Util {
return result;
}
/**
* Returns the top 32 bits of a long as an integer.
*/
public static int getTopInt(long value) {
return (int) (value >>> 32);
}
/**
* Returns the bottom 32 bits of a long as an integer.
*/
public static int getBottomInt(long value) {
return (int) value;
}
/**
* Returns a long created by concatenating the bits of two integers.
*/
public static long getLong(int topInteger, int bottomInteger) {
return ((long) topInteger << 32) | (bottomInteger & 0xFFFFFFFFL);
}
/**
* Returns a hex string representation of the data provided.
*