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Code Issues Releases Wiki Activity

Refactor media info cache synchronization

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This commit is contained in:
Reinhard Pointner 2016-08-10 03:26:55 +08:00
parent 8f12961fe8
commit 53226d0809
2 changed files with 26 additions and 32 deletions
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4
source/net/filebot/format/MediaBindingBean.java
View File

@ -1013,7 +1013,7 @@ public class MediaBindingBean {
return getMediaFile();
}
private static final Map<File, MediaInfo> sharedMediaInfoObjects = new WeakValueHashMap<File, MediaInfo>(64);
private static final Map<File, MediaInfo> sharedMediaInfoObjects = synchronizedMap(new WeakValueHashMap<File, MediaInfo>(64));
private synchronized MediaInfo getMediaInfo() {
// lazy initialize
@ -1021,7 +1021,6 @@ public class MediaBindingBean {
// use inferred media file (e.g. actual movie file instead of subtitle file)
File inferredMediaFile = getInferredMediaFile();
synchronized (sharedMediaInfoObjects) {
mediaInfo = sharedMediaInfoObjects.computeIfAbsent(inferredMediaFile, f -> {
try {
return new MediaInfo().open(f);
@ -1030,7 +1029,6 @@ public class MediaBindingBean {
}
});
}
}
return mediaInfo;
}

14
source/net/filebot/subtitle/SubtitleMetrics.java
View File

@ -163,7 +163,7 @@ public enum SubtitleMetrics implements SimilarityMetric {
private Map<String, Object> getSubtitleProperties(OpenSubtitlesSubtitleDescriptor subtitle) {
try {
Map<String, Object> props = new HashMap<String, Object>();
Map<String, Object> props = new HashMap<String, Object>(2);
float fps = Math.round(subtitle.getMovieFPS()); // round because most FPS values in the database are bad anyway
if (fps > 0) {
props.put(FPS, fps);
@ -179,15 +179,12 @@ public enum SubtitleMetrics implements SimilarityMetric {
return emptyMap();
}
private final Map<File, Map<String, Object>> mediaInfoCache = new WeakHashMap<File, Map<String, Object>>(64);
private final Map<File, Map<String, Object>> mediaInfoCache = synchronizedMap(new WeakHashMap<File, Map<String, Object>>(64));
private Map<String, Object> getVideoProperties(File file) {
synchronized (mediaInfoCache) {
return mediaInfoCache.computeIfAbsent(file, (f) -> {
try {
Map<String, Object> props = new HashMap<String, Object>();
MediaInfo mediaInfo = new MediaInfo().open(file);
return mediaInfoCache.computeIfAbsent(file, key -> {
try (MediaInfo mediaInfo = new MediaInfo().open(file)) {
Map<String, Object> props = new HashMap<String, Object>(2);
float fps = Math.round(Float.parseFloat(mediaInfo.get(StreamKind.Video, 0, "FrameRate")));
if (fps > 0) {
props.put(FPS, fps);
@ -203,7 +200,6 @@ public enum SubtitleMetrics implements SimilarityMetric {
return emptyMap();
});
}
}
});
// inner metric