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adjustments

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This commit is contained in:
Drew Hill 2017-10-19 16:24:07 -04:00
parent feff4d3e02
commit 84afad0748
1 changed files with 6 additions and 12 deletions
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18
library/core/src/main/java/com/google/android/exoplayer2/video/VideoFrameReleaseTimeHelper.java
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@ -44,10 +44,10 @@ public final class VideoFrameReleaseTimeHelper {
private DisplayManager.DisplayListener displayListener = null;
private Context context = null;
private VSyncSampler vsyncSampler;
private boolean useDefaultDisplayVsync;
private long vsyncDurationNs;
private long vsyncOffsetNs;
private VSyncSampler vsyncSampler = null;
private final boolean useDefaultDisplayVsync;
private long vsyncDurationNs = -1; // Value unused.
private long vsyncOffsetNs = -1; // Value unused.
private long lastFramePresentationTimeUs;
private long adjustedLastFrameTimeNs;
@ -75,11 +75,10 @@ public final class VideoFrameReleaseTimeHelper {
public VideoFrameReleaseTimeHelper(Context context) {
this(getDefaultDisplayRefreshRate(context));
this.context = context.getApplicationContext();
registerDisplayListener();
}
private VideoFrameReleaseTimeHelper(double defaultDisplayRefreshRate) {
setSync(defaultDisplayRefreshRate);
useDefaultDisplayVsync = defaultDisplayRefreshRate != DISPLAY_REFRESH_RATE_UNKNOWN;
}
/**
@ -100,8 +99,8 @@ public final class VideoFrameReleaseTimeHelper {
public void disable() {
if (useDefaultDisplayVsync) {
vsyncSampler.removeObserver();
unregisterDisplayListener();
}
unregisterDisplayListener();
}
private void registerDisplayListener() {
@ -128,15 +127,10 @@ public final class VideoFrameReleaseTimeHelper {
private void setSync(double defaultDisplayRefreshRate) {
useDefaultDisplayVsync = defaultDisplayRefreshRate != DISPLAY_REFRESH_RATE_UNKNOWN;
if (useDefaultDisplayVsync) {
vsyncSampler = VSyncSampler.getInstance();
vsyncDurationNs = (long) (C.NANOS_PER_SECOND / defaultDisplayRefreshRate);
vsyncOffsetNs = (vsyncDurationNs * VSYNC_OFFSET_PERCENTAGE) / 100;
} else {
vsyncSampler = null;
vsyncDurationNs = -1; // Value unused.
vsyncOffsetNs = -1; // Value unused.
}
}