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Code Issues Releases Wiki Activity

* cache MediaInfo instances

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This commit is contained in:
Reinhard Pointner 2015-11-14 17:25:35 +00:00
parent 6c1109ced1
commit 7103d4216e
1 changed files with 28 additions and 9 deletions
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37
source/net/filebot/format/MediaBindingBean.java
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@ -29,6 +29,7 @@ import java.util.Scanner;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.WeakHashMap;
import java.util.concurrent.TimeUnit;
import java.util.regex.Pattern;
@ -64,6 +65,7 @@ public class MediaBindingBean {
private final File mediaFile;
private final Map<File, Object> context;
private String mediaInfoKey;
private MediaInfo mediaInfo;
private Object metaInfo;
@ -876,19 +878,36 @@ public class MediaBindingBean {
}
}
private static final Map<String, MediaInfo> sharedMediaInfoObjects = new WeakHashMap<String, MediaInfo>(64);
private synchronized MediaInfo getMediaInfo() {
// make sure media file is defined
checkMediaFile();
// lazy initialize
if (mediaInfo == null) {
// make sure media file is defined
checkMediaFile();
MediaInfo newMediaInfo = new MediaInfo();
// use inferred media file (e.g. actual movie file instead of subtitle file)
if (!newMediaInfo.open(getInferredMediaFile())) {
throw new RuntimeException("Cannot open media file: " + mediaFile);
// lazy initialize
if (mediaInfoKey == null) {
// use inferred media file (e.g. actual movie file instead of subtitle file)
try {
// make sure to create a new String object which can be garbage collected as soon the binding object not used anymore
mediaInfoKey = new String(getInferredMediaFile().getCanonicalPath());
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
mediaInfo = newMediaInfo;
synchronized (sharedMediaInfoObjects) {
mediaInfo = sharedMediaInfoObjects.get(mediaInfoKey);
if (mediaInfo == null) {
MediaInfo mi = new MediaInfo();
if (!mi.open(new File(mediaInfoKey))) {
throw new RuntimeException("Cannot open media file: " + mediaInfoKey);
}
sharedMediaInfoObjects.put(mediaInfoKey, mi);
mediaInfo = mi;
}
}
}
return mediaInfo;