private void doPostprocessing(
CloseableReference<CloseableImage> sourceImageRef, boolean isLast) {
Preconditions.checkArgument(CloseableReference.isValid(sourceImageRef));
if (!shouldPostprocess(sourceImageRef.get())) {
maybeNotifyOnNewResult(sourceImageRef, isLast);
return;
}
mListener.onProducerStart(mRequestId, NAME);
CloseableReference<CloseableImage> destImageRef = null;
try {
try {
destImageRef = postprocessInternal(sourceImageRef.get());
} catch (Exception e) {
mListener.onProducerFinishWithFailure(
mRequestId, NAME, e, getExtraMap(mListener, mRequestId, mPostprocessor));
maybeNotifyOnFailure(e);
return;
}
mListener.onProducerFinishWithSuccess(
mRequestId, NAME, getExtraMap(mListener, mRequestId, mPostprocessor));
maybeNotifyOnNewResult(destImageRef, isLast);
} finally {
CloseableReference.closeSafely(destImageRef);
}
}
/** Notifies consumer of new result and finishes if the result is final. */
private void handleResult(final CloseableImage decodedImage, final boolean isFinal) {
CloseableReference<CloseableImage> decodedImageRef = CloseableReference.of(decodedImage);
try {
maybeFinish(isFinal);
getConsumer().onNewResult(decodedImageRef, isFinal);
} finally {
CloseableReference.closeSafely(decodedImageRef);
}
}
/**
* Finishes if not already finished and {@code finish} is specified.
*
* <p>If just finished, the intermediate image gets released.
*/
private synchronized void maybeFinish(boolean finish) {
if (mIsFinished) {
return;
}
mIsFinished = finish;
if (finish) {
CloseableReference.closeSafely(mImageBytesRef);
mImageBytesRef = null;
}
}
private void setSourceImageRef(CloseableReference<CloseableImage> sourceImageRef) {
CloseableReference<CloseableImage> oldSourceImageRef;
synchronized (RepeatedPostprocessorConsumer.this) {
if (mIsClosed) {
return;
}
oldSourceImageRef = mSourceImageRef;
mSourceImageRef = CloseableReference.cloneOrNull(sourceImageRef);
}
CloseableReference.closeSafely(oldSourceImageRef);
}
/** Updates the decode job. */
protected synchronized boolean updateDecodeJob(
CloseableReference<PooledByteBuffer> imageBytesRef, boolean isLast) {
// ignore invalid intermediate results (should not happen ever, but being defensive)
if (!isLast && !CloseableReference.isValid(imageBytesRef)) {
return false;
}
CloseableReference.closeSafely(mImageBytesRef);
mImageBytesRef = CloseableReference.cloneOrNull(imageBytesRef);
mIsLast = isLast;
return true;
}
private CloseableReference<CloseableImage> postprocessInternal(CloseableImage sourceImage) {
CloseableStaticBitmap staticBitmap = (CloseableStaticBitmap) sourceImage;
Bitmap sourceBitmap = staticBitmap.getUnderlyingBitmap();
CloseableReference<Bitmap> bitmapRef = mPostprocessor.process(sourceBitmap, mBitmapFactory);
int rotationAngle = staticBitmap.getRotationAngle();
try {
return CloseableReference.<CloseableImage>of(
new CloseableStaticBitmap(bitmapRef, sourceImage.getQualityInfo(), rotationAngle));
} finally {
CloseableReference.closeSafely(bitmapRef);
}
}
/**
* Returns whether the image is stored in the bitmap memory cache.
*
* @param imageRequest the imageRequest for the image to be looked up.
* @return true if the image was found in the bitmap memory cache, false otherwise.
*/
public boolean isInBitmapMemoryCache(final ImageRequest imageRequest) {
if (imageRequest == null) {
return false;
}
final CacheKey cacheKey = mCacheKeyFactory.getBitmapCacheKey(imageRequest, null);
CloseableReference<CloseableImage> ref = mBitmapMemoryCache.get(cacheKey);
try {
return CloseableReference.isValid(ref);
} finally {
CloseableReference.closeSafely(ref);
}
}
private boolean close() {
CloseableReference<CloseableImage> oldSourceImageRef;
synchronized (RepeatedPostprocessorConsumer.this) {
if (mIsClosed) {
return false;
}
oldSourceImageRef = mSourceImageRef;
mSourceImageRef = null;
mIsClosed = true;
}
CloseableReference.closeSafely(oldSourceImageRef);
return true;
}
private void updateInternal() {
CloseableReference<CloseableImage> sourceImageRef;
synchronized (RepeatedPostprocessorConsumer.this) {
if (mIsClosed) {
return;
}
sourceImageRef = CloseableReference.cloneOrNull(mSourceImageRef);
}
try {
getConsumer().onNewResult(sourceImageRef, false /* isLast */);
} finally {
CloseableReference.closeSafely(sourceImageRef);
}
}
private void updateSourceImageRef(
@Nullable CloseableReference<CloseableImage> sourceImageRef, boolean isLast) {
CloseableReference<CloseableImage> oldSourceImageRef;
boolean shouldSubmit;
synchronized (PostprocessorConsumer.this) {
if (mIsClosed) {
return;
}
oldSourceImageRef = mSourceImageRef;
mSourceImageRef = CloseableReference.cloneOrNull(sourceImageRef);
mIsLast = isLast;
mIsDirty = true;
shouldSubmit = setRunningIfDirtyAndNotRunning();
}
CloseableReference.closeSafely(oldSourceImageRef);
if (shouldSubmit) {
submitPostprocessing();
}
}
/** Performs the decode synchronously. */
private void doDecode(long queueTime) {
CloseableReference<PooledByteBuffer> bytesRef;
boolean isLast;
synchronized (ProgressiveDecoder.this) {
bytesRef = mImageBytesRef;
mImageBytesRef = null;
isLast = mIsLast;
mIsDecodeSubmitted = false;
mLastDecodeTime = SystemClock.uptimeMillis();
}
try {
if (isFinished() || !CloseableReference.isValid(bytesRef)) {
return;
}
ImageFormat format = isLast ? ImageFormat.UNKNOWN : getImageFormat(bytesRef);
int length = isLast ? bytesRef.get().size() : getIntermediateImageEndOffset(bytesRef);
QualityInfo quality = isLast ? ImmutableQualityInfo.FULL_QUALITY : getQualityInfo(bytesRef);
mProducerListener.onProducerStart(mProducerContext.getId(), PRODUCER_NAME);
CloseableImage decodedImage;
try {
decodedImage =
mImageDecoder.decodeImage(bytesRef, format, length, quality, mImageDecodeOptions);
} catch (Exception e) {
Map<String, String> extraMap = getExtraMap(queueTime, quality, isLast);
mProducerListener.onProducerFinishWithFailure(
mProducerContext.getId(), PRODUCER_NAME, e, extraMap);
handleError(e);
return;
}
Map<String, String> extraMap = getExtraMap(queueTime, quality, isLast);
mProducerListener.onProducerFinishWithSuccess(
mProducerContext.getId(), PRODUCER_NAME, extraMap);
handleResult(decodedImage, isLast);
} finally {
CloseableReference.closeSafely(bytesRef);
}
}