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增加弹幕倍速功能 #414

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增加弹幕倍速功能 #414

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32 changes: 27 additions & 5 deletions DanmakuFlameMaster/src/main/java/master/flame/danmaku/danmaku/model/DanmakuTimer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -17,21 +17,36 @@
package master.flame.danmaku.danmaku.model;

public class DanmakuTimer {
public long currMillisecond;

public long currMillisecond = 0L;
private long lastInterval;

public DanmakuTimer() {
private float videoSpeed = 1.0f;
private long lastTimeStamp = 0L;
private long lastCurr;
private long firstCurr;

public DanmakuTimer() {
}

public DanmakuTimer(long curr) {
update(curr);
}

public long update(long curr) {
lastInterval = curr - currMillisecond;
currMillisecond = curr;
if(lastTimeStamp == 0) {
lastTimeStamp = System.currentTimeMillis();
firstCurr = curr;
}
long t = System.currentTimeMillis();
lastInterval = t - lastTimeStamp;

if((lastInterval - curr + lastCurr) > 2000 || (lastInterval - curr + lastCurr) < -2000)
currMillisecond = curr - firstCurr;
else
currMillisecond += lastInterval * videoSpeed;

lastCurr = curr;
lastTimeStamp = t;
return lastInterval;
}

Expand All @@ -43,4 +58,11 @@ public long lastInterval() {
return lastInterval;
}

public void setSpeed(float speed) {
videoSpeed = speed;
}

public float getSpeed() {
return videoSpeed;
}
}