@Override
  public void produceResults(Consumer<EncodedImage> consumer, ProducerContext context) {
    mInputProducer.produceResults(new AddImageTransformMetaDataConsumer(consumer), context);
  }
Add image transform meta data producer

<p>Extracts meta data from the results passed down from the next producer, and adds it to the
result that it returns to the consumer.
imagepipeline/src/main/java/com/facebook/imagepipeline/producers/AddImageTransformMetaDataProducer.java