Examples with MetadataBlockDataStreamInfo org.jaudiotagger.audio.flac.metadatablock.MetadataBlockDataStreamInfo used on opensource projects

Example 1 with MetadataBlockDataStreamInfo

use of org.jaudiotagger.audio.flac.metadatablock.MetadataBlockDataStreamInfo in project MusicDNA by harjot-oberai.

the class FlacInfoReader method read.

public FlacAudioHeader read(RandomAccessFile raf) throws CannotReadException, IOException {
    FlacStreamReader flacStream = new FlacStreamReader(raf);
    flacStream.findStream();
    MetadataBlockDataStreamInfo mbdsi = null;
    boolean isLastBlock = false;
    //the bitrate
    while (!isLastBlock) {
        MetadataBlockHeader mbh = MetadataBlockHeader.readHeader(raf);
        if (mbh.getBlockType() == BlockType.STREAMINFO) {
            mbdsi = new MetadataBlockDataStreamInfo(mbh, raf);
            if (!mbdsi.isValid()) {
                throw new CannotReadException("FLAC StreamInfo not valid");
            }
        //TODO We have found streaminfo so do we need to continue checking, effects bitrate calc which is correct
        //break;
        } else {
            raf.seek(raf.getFilePointer() + mbh.getDataLength());
        }
        isLastBlock = mbh.isLastBlock();
        //Free memory
        mbh = null;
    }
    if (mbdsi == null) {
        throw new CannotReadException("Unable to find Flac StreamInfo");
    }
    FlacAudioHeader info = new FlacAudioHeader();
    info.setLength(mbdsi.getSongLength());
    info.setPreciseLength(mbdsi.getPreciseLength());
    info.setChannelNumber(mbdsi.getChannelNumber());
    info.setSamplingRate(mbdsi.getSamplingRate());
    info.setBitsPerSample(mbdsi.getBitsPerSample());
    info.setEncodingType(mbdsi.getEncodingType());
    info.setExtraEncodingInfos("");
    info.setBitrate(computeBitrate(mbdsi.getPreciseLength(), raf.length() - raf.getFilePointer()));
    info.setLossless(true);
    info.setMd5(mbdsi.getMD5Signature());
    return info;
}