* cache MediaInfo instances
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@ -29,6 +29,7 @@ import java.util.Scanner;
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import java.util.Set;
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import java.util.SortedSet;
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import java.util.TreeSet;
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import java.util.WeakHashMap;
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import java.util.concurrent.TimeUnit;
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import java.util.regex.Pattern;
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@ -64,6 +65,7 @@ public class MediaBindingBean {
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private final File mediaFile;
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private final Map<File, Object> context;
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private String mediaInfoKey;
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private MediaInfo mediaInfo;
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private Object metaInfo;
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@ -876,19 +878,36 @@ public class MediaBindingBean {
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}
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}
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private static final Map<String, MediaInfo> sharedMediaInfoObjects = new WeakHashMap<String, MediaInfo>(64);
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private synchronized MediaInfo getMediaInfo() {
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// make sure media file is defined
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checkMediaFile();
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// lazy initialize
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if (mediaInfo == null) {
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// make sure media file is defined
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checkMediaFile();
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MediaInfo newMediaInfo = new MediaInfo();
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// use inferred media file (e.g. actual movie file instead of subtitle file)
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if (!newMediaInfo.open(getInferredMediaFile())) {
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throw new RuntimeException("Cannot open media file: " + mediaFile);
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// lazy initialize
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if (mediaInfoKey == null) {
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// use inferred media file (e.g. actual movie file instead of subtitle file)
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try {
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// make sure to create a new String object which can be garbage collected as soon the binding object not used anymore
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mediaInfoKey = new String(getInferredMediaFile().getCanonicalPath());
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} catch (IOException e) {
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throw new IllegalStateException(e);
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}
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}
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mediaInfo = newMediaInfo;
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synchronized (sharedMediaInfoObjects) {
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mediaInfo = sharedMediaInfoObjects.get(mediaInfoKey);
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if (mediaInfo == null) {
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MediaInfo mi = new MediaInfo();
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if (!mi.open(new File(mediaInfoKey))) {
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throw new RuntimeException("Cannot open media file: " + mediaInfoKey);
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}
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sharedMediaInfoObjects.put(mediaInfoKey, mi);
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mediaInfo = mi;
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}
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}
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}
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return mediaInfo;
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