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#1828 Faster redrawing of frames in some cases

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This commit is contained in:
Jindra Petřík
2022-10-24 17:45:21 +02:00
parent b896688d5d
commit 3bfcf2976c
1 changed files with 26 additions and 9 deletions
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35
src/com/jpexs/decompiler/flash/gui/ImagePanel.java
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@@ -1215,10 +1215,8 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
df.setMinimumFractionDigits(0);
df.setGroupingUsed(false);
float frameLoss = 100 - (getFpsIs() / fpsShouldBe * 100);
if (Configuration._debugMode.get()) {
g2d.drawString("frameLoss:" + df.format(frameLoss) + "%", 20, 20);
g2d.drawString("frameLoss:" + df.format(getFrameLoss()) + "%", 20, 20);
}
}
}
@@ -1408,7 +1406,12 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
if (thisTimer == null) {
startTimer(timelined.getTimeline(), false);
} else {
drawFrame(thisTimer, true);
//if there is no frameloss (no frames waiting in the queue),
// then we can draw immediately to avoid long waiting between frames.
// This can happen on SWFs with small frameRate
if (Float.compare(getFrameLoss(), 0f) == 0) {
drawFrame(thisTimer, true);
}
}
}
@@ -2382,6 +2385,10 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
return fpsIs;
}
private synchronized float getFrameLoss() {
return 100 - (getFpsIs() / fpsShouldBe * 100);
}
private synchronized void setSkippedFrames(int val) {
skippedFrames = val;
}
@@ -2439,13 +2446,23 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
}
//How many ticks (= times where frame should be displayed in framerate) are there from hitting play button
int ticksFromStart = (int) Math.floor((frameTimeMsIs - startRun) / (double) getMsPerFrame()) + 1;
//Add ticks to first frame when hitting play button, ignoring total framecount => this value can be larger than number of frames in timeline
int frameOverMaxShouldBeNow = startFrame + ticksFromStart;
//Apply maximum frames repating, this is actual frame which should be drawed now
int frameShouldBeNow = frameOverMaxShouldBeNow % frameCount;
//How many frames are there between last displayed frame and now. For perfect display(=no framedrop), value should be 1
int skipFrames = frameShouldBeNow - curFrame;
int skipFrames;
//Add ticks to first frame when hitting play button, ignoring total framecount => this value can be larger than number of frames in timeline
int frameOverMaxShouldBeNow;
if (stillFrame) {
frameOverMaxShouldBeNow = ticksFromStart;
skipFrames = ticksFromStart - time;
} else {
frameOverMaxShouldBeNow = startFrame + ticksFromStart;
//Apply maximum frames repating, this is actual frame which should be drawed now
int frameShouldBeNow = frameOverMaxShouldBeNow % frameCount;
skipFrames = frameShouldBeNow - curFrame;
}
//It is negative for some reason, this will display older frames. Add frameCount to stay in modulu framecount.
if (skipFrames < 0) {
skipFrames += frameCount;