private void Read(ReadStyle properties_style)
{
// Look for FLAC metadata, including vorbis comments
Scan();
if (!scanned)
{
SetValid(false);
return;
}
if (has_xiph_comment)
comment = new OggXiphComment(XiphCommentData);
else
comment = new OggXiphComment();
if (properties_style != ReadStyle.None)
properties = new TagLib.FlacProperties(StreamInfoData, StreamLength, properties_style);
}
public override TagLib.Tag FindTag(TagTypes type, bool create)
{
if (type == TagTypes.Xiph)
{
if (comment == null && create)
comment = new OggXiphComment();
return comment;
}
else return null;
}
private Tag FindFlacTag(TagTypes type, bool create)
{
switch (type)
{
case TagTypes.Id3v1:
{
if (create && id3v1_tag == null)
{
id3v1_tag = new Id3v1Tag();
if (tag != null)
TagLib.Tag.Duplicate(tag, id3v1_tag, true);
tag.SetTags(comment, id3v2_tag, id3v1_tag);
}
return id3v1_tag;
}
case TagTypes.Id3v2:
{
if (create && id3v2_tag == null)
{
id3v2_tag = new Id3v2Tag();
if (tag != null)
TagLib.Tag.Duplicate(tag, id3v2_tag, true);
tag.SetTags(comment, id3v2_tag, id3v1_tag);
}
return id3v2_tag;
}
case TagTypes.Xiph:
{
if (create && comment == null)
{
comment = new OggXiphComment();
if (tag != null)
TagLib.Tag.Duplicate(tag, comment, true);
tag.SetTags(comment, id3v2_tag, id3v1_tag);
}
return comment;
}
default:
return null;
}
}
//////////////////////////////////////////////////////////////////////////
// private methods
//////////////////////////////////////////////////////////////////////////
private void Read (ReadStyle propertiesStyle)
{
ByteVector comment_header_data = GetPacket (1);
if (comment_header_data.Mid (0, 7) != vorbis_comment_header_id)
{
TagLibDebugger.Debug ("Vorbis.File.Read() - Could not find the Vorbis comment header.");
SetValid (false);
return;
}
comment = new OggXiphComment(comment_header_data.Mid(7));
if(propertiesStyle != ReadStyle.None)
properties = new OggVorbisProperties(this, propertiesStyle);
}
private void Read(ReadStyle propertiesStyle)
{
long flacDataBegin;
long flacDataEnd;
// Look for an ID3v2 tag
long id3v2Location = FindId3v2();
if (id3v2Location >= 0)
{
id3v2_tag = new Id3v2Tag(this, id3v2Location);
flacDataBegin = id3v2Location + id3v2_tag.Header.CompleteTagSize;
}
else
flacDataBegin = 0;
// Look for an ID3v1 tag
long id3v1_location = FindId3v1();
if (id3v1_location >= 0)
{
id3v1_tag = new Id3v1Tag(this, id3v1_location);
flacDataEnd = id3v1_location;
}
else
flacDataEnd = Length;
// Look for FLAC metadata, including vorbis comments
xiph_comment_data = Scan(flacDataBegin, flacDataEnd);
if (!IsValid) return;
if (XiphCommentData.Count > 0)
comment = new OggXiphComment(XiphCommentData);
tag.SetTags(comment, id3v2_tag, id3v1_tag);
FindFlacTag(TagTypes.Xiph, true);
if (propertiesStyle != ReadStyle.None)
properties = new FlacProperties(stream_info_data, stream_length, propertiesStyle);
}