logger.config("Convert flac tag:padding:" + paddingSize);
FlacTag flacTag = (FlacTag) tag;
int tagLength = 0;
ByteBuffer vorbiscomment = null;
if (flacTag.getVorbisCommentTag() != null)
{
vorbiscomment = creator.convert(flacTag.getVorbisCommentTag());
tagLength = vorbiscomment.capacity() + MetadataBlockHeader.HEADER_LENGTH;
}
for (MetadataBlockDataPicture image : flacTag.getImages())
{
tagLength += image.getBytes().length + MetadataBlockHeader.HEADER_LENGTH;
}
logger.config("Convert flac tag:taglength:" + tagLength);
ByteBuffer buf = ByteBuffer.allocate(tagLength + paddingSize);
MetadataBlockHeader vorbisHeader;
//If there are other metadata blocks
if (flacTag.getVorbisCommentTag() != null)
{
if ((paddingSize > 0) || (flacTag.getImages().size() > 0))
{
vorbisHeader = new MetadataBlockHeader(false, BlockType.VORBIS_COMMENT, vorbiscomment.capacity());
}
else
{
vorbisHeader = new MetadataBlockHeader(true, BlockType.VORBIS_COMMENT, vorbiscomment.capacity());
}
buf.put(vorbisHeader.getBytes());
buf.put(vorbiscomment);
}
//Images
ListIterator<MetadataBlockDataPicture> li = flacTag.getImages().listIterator();
while (li.hasNext())
{
MetadataBlockDataPicture imageField = li.next();
MetadataBlockHeader imageHeader;
if (paddingSize > 0 || li.hasNext())
{
imageHeader = new MetadataBlockHeader(false, BlockType.PICTURE, imageField.getLength());
}
else
{
imageHeader = new MetadataBlockHeader(true, BlockType.PICTURE, imageField.getLength());
}
buf.put(imageHeader.getBytes());
buf.put(imageField.getBytes());
}
//Padding
logger.config("Convert flac tag at" + buf.position());
if (paddingSize > 0)
{
int paddingDataSize = paddingSize - MetadataBlockHeader.HEADER_LENGTH;
MetadataBlockHeader paddingHeader = new MetadataBlockHeader(true, BlockType.PADDING, paddingDataSize);
MetadataBlockDataPadding padding = new MetadataBlockDataPadding(paddingDataSize);
buf.put(paddingHeader.getBytes());
buf.put(padding.getBytes());
}
buf.rewind();
return buf;
