Is there a JAVA API for extract MP4 Metadata

Question

I want to be specific as to what I am asking. I am not asking to modified any MP4 files, just extract metadata such as Width and Height and bitrate and encoding and this is

Answer 1

At present (2015), Android SDK provides MediaMetadataRetriever class for extracting metadata:

        MediaMetadataRetriever m = new MediaMetadataRetriever();
        m.setDataSource(mInputFile);
        String extractedHeight = m.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT);
        String extractedWidth = m.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH);