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Add cache for the resolution 

This makes the display of the resolution much faster and the information
is retained, even if the ThumbCell is "destroyed"
This commit is contained in:
0xboobface 2018-12-04 18:30:46 +01:00
parent 45e493a35a
commit b99e88d2c8
1 changed files with 43 additions and 26 deletions
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69
client/src/main/java/ctbrec/ui/ThumbCell.java
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@ -7,11 +7,14 @@ import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.iheartradio.m3u8.ParseException;
import ctbrec.Config;
@ -80,6 +83,10 @@ public class ThumbCell extends StackPane {
private boolean mouseHovering = false;
private boolean recording = false;
private static ExecutorService imageLoadingThreadPool = Executors.newFixedThreadPool(30);
private static Cache<Model, int[]> resolutionCache = CacheBuilder.newBuilder()
.expireAfterAccess(4, TimeUnit.HOURS)
.maximumSize(1000)
.build();
public ThumbCell(ThumbOverviewTab parent, Model model, Recorder recorder) {
this.thumbCellList = parent.grid.getChildren();
@ -212,35 +219,45 @@ public class ThumbCell extends StackPane {
return;
}
ThumbOverviewTab.threadPool.submit(() -> {
int[] resolution = resolutionCache.getIfPresent(model);
if(resolution != null) {
try {
ThumbOverviewTab.resolutionProcessing.add(model);
int[] resolution = model.getStreamResolution(false);
updateResolutionTag(resolution);
// the model is online, but the resolution is 0. probably something went wrong
// when we first requested the stream info, so we remove this invalid value from the "cache"
// so that it is requested again
if (model.isOnline() && resolution[1] == 0) {
LOG.trace("Removing invalid resolution value for {}", model.getName());
model.invalidateCacheEntries();
}
Thread.sleep(500);
} catch (IOException | InterruptedException e1) {
LOG.warn("Couldn't update resolution tag for model {}", model.getName(), e1);
} catch(ExecutionException e) {
if(e.getCause() instanceof EOFException) {
LOG.warn("Couldn't update resolution tag for model {}. Playlist empty", model.getName());
} else if(e.getCause() instanceof ParseException) {
LOG.warn("Couldn't update resolution tag for model {} - {}", model.getName(), e.getMessage());
} else {
LOG.warn("Couldn't update resolution tag for model {}", model.getName(), e);
}
} finally {
ThumbOverviewTab.resolutionProcessing.remove(model);
} catch(Exception e) {
LOG.warn("Couldn't update resolution tag for model {}", model.getName(), e);
}
});
} else {
ThumbOverviewTab.threadPool.submit(() -> {
try {
ThumbOverviewTab.resolutionProcessing.add(model);
int[] _resolution = model.getStreamResolution(false);
resolutionCache.put(model, _resolution);
updateResolutionTag(_resolution);
// the model is online, but the resolution is 0. probably something went wrong
// when we first requested the stream info, so we remove this invalid value from the "cache"
// so that it is requested again
if (model.isOnline() && _resolution[1] == 0) {
LOG.trace("Removing invalid resolution value for {}", model.getName());
model.invalidateCacheEntries();
}
Thread.sleep(100);
} catch (IOException | InterruptedException e1) {
LOG.warn("Couldn't update resolution tag for model {}", model.getName(), e1);
} catch(ExecutionException e) {
if(e.getCause() instanceof EOFException) {
LOG.warn("Couldn't update resolution tag for model {}. Playlist empty", model.getName());
} else if(e.getCause() instanceof ParseException) {
LOG.warn("Couldn't update resolution tag for model {} - {}", model.getName(), e.getMessage());
} else {
LOG.warn("Couldn't update resolution tag for model {}", model.getName(), e);
}
} finally {
ThumbOverviewTab.resolutionProcessing.remove(model);
}
});
}
}
private void updateResolutionTag(int[] resolution) throws IOException, ExecutionException, InterruptedException {